ref: af7fb17c09158e9039bfe6d72c591347b7c0ceb9
parent: bdfbd6325ef8582beb0cb382f7d0f12cc488ecee
author: Linfeng Zhang <linfengz@google.com>
date: Tue May 17 08:42:55 EDT 2016
Upgrade fwht4x4_mmx() to fwht4x4_sse2() for vp9 and vp10. Function level timing test shows about 27% time saving on a Xeon E5-2680 v2 desktop. Rename vp9_dct_sse2.c to vp9_dct_intrin_sse2.c for vp9 and rename dct_sse2.c to dct_intrin_sse2.c for vp10 to avoid duplicate basenames. Actually vp9_fwht4x4_mmx/sse2() and vp10_fwht4x4_mmx/sse2() are identical. TODO: They should be unified later if there is no intention to keep a duplicate. Change-Id: I3e537b7bbd9ba417c606cd7c68c4dbbfa583f77d
--- a/test/fdct4x4_test.cc
+++ b/test/fdct4x4_test.cc
@@ -487,19 +487,11 @@
make_tuple(&vp9_fht4x4_c, &vp9_iht4x4_16_add_neon, 3, VPX_BITS_8)));
#endif // HAVE_NEON && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
-#if CONFIG_USE_X86INC && HAVE_MMX && !CONFIG_VP9_HIGHBITDEPTH && \
- !CONFIG_EMULATE_HARDWARE
+#if CONFIG_USE_X86INC && HAVE_SSE2 && !CONFIG_EMULATE_HARDWARE
INSTANTIATE_TEST_CASE_P(
- MMX, Trans4x4WHT,
- ::testing::Values(
- make_tuple(&vp9_fwht4x4_mmx, &vpx_iwht4x4_16_add_c, 0, VPX_BITS_8)));
-#endif
-
-#if CONFIG_USE_X86INC && HAVE_SSE2 && !CONFIG_VP9_HIGHBITDEPTH && \
- !CONFIG_EMULATE_HARDWARE
-INSTANTIATE_TEST_CASE_P(
SSE2, Trans4x4WHT,
::testing::Values(
+ make_tuple(&vp9_fwht4x4_sse2, &vpx_iwht4x4_16_add_c, 0, VPX_BITS_8),
make_tuple(&vp9_fwht4x4_c, &vpx_iwht4x4_16_add_sse2, 0, VPX_BITS_8)));
#endif
--- a/vp10/common/vp10_rtcd_defs.pl
+++ b/vp10/common/vp10_rtcd_defs.pl
@@ -398,7 +398,7 @@
specialize qw/vp10_fht16x16 sse2/;
add_proto qw/void vp10_fwht4x4/, "const int16_t *input, tran_low_t *output, int stride";
- specialize qw/vp10_fwht4x4/, "$mmx_x86inc";
+ specialize qw/vp10_fwht4x4/, "$sse2_x86inc";
} else {add_proto qw/void vp10_fht4x4/, "const int16_t *input, tran_low_t *output, int stride, int tx_type";
specialize qw/vp10_fht4x4 sse2 msa/;
@@ -410,7 +410,7 @@
specialize qw/vp10_fht16x16 sse2 msa/;
add_proto qw/void vp10_fwht4x4/, "const int16_t *input, tran_low_t *output, int stride";
- specialize qw/vp10_fwht4x4 msa/, "$mmx_x86inc";
+ specialize qw/vp10_fwht4x4 msa/, "$sse2_x86inc";
}
# Inverse transform
--- /dev/null
+++ b/vp10/encoder/x86/dct_intrin_sse2.c
@@ -1,0 +1,2058 @@
+/*
+ * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <assert.h>
+#include <emmintrin.h> // SSE2
+
+#include "./vp10_rtcd.h"
+#include "./vpx_dsp_rtcd.h"
+#include "vpx_dsp/txfm_common.h"
+#include "vpx_dsp/x86/fwd_txfm_sse2.h"
+#include "vpx_dsp/x86/txfm_common_sse2.h"
+#include "vpx_ports/mem.h"
+
+static INLINE void load_buffer_4x4(const int16_t *input, __m128i *in,
+ int stride) {+ const __m128i k__nonzero_bias_a = _mm_setr_epi16(0, 1, 1, 1, 1, 1, 1, 1);
+ const __m128i k__nonzero_bias_b = _mm_setr_epi16(1, 0, 0, 0, 0, 0, 0, 0);
+ __m128i mask;
+
+ in[0] = _mm_loadl_epi64((const __m128i *)(input + 0 * stride));
+ in[1] = _mm_loadl_epi64((const __m128i *)(input + 1 * stride));
+ in[2] = _mm_loadl_epi64((const __m128i *)(input + 2 * stride));
+ in[3] = _mm_loadl_epi64((const __m128i *)(input + 3 * stride));
+
+ in[0] = _mm_slli_epi16(in[0], 4);
+ in[1] = _mm_slli_epi16(in[1], 4);
+ in[2] = _mm_slli_epi16(in[2], 4);
+ in[3] = _mm_slli_epi16(in[3], 4);
+
+ mask = _mm_cmpeq_epi16(in[0], k__nonzero_bias_a);
+ in[0] = _mm_add_epi16(in[0], mask);
+ in[0] = _mm_add_epi16(in[0], k__nonzero_bias_b);
+}
+
+static INLINE void write_buffer_4x4(tran_low_t *output, __m128i *res) {+ const __m128i kOne = _mm_set1_epi16(1);
+ __m128i in01 = _mm_unpacklo_epi64(res[0], res[1]);
+ __m128i in23 = _mm_unpacklo_epi64(res[2], res[3]);
+ __m128i out01 = _mm_add_epi16(in01, kOne);
+ __m128i out23 = _mm_add_epi16(in23, kOne);
+ out01 = _mm_srai_epi16(out01, 2);
+ out23 = _mm_srai_epi16(out23, 2);
+ store_output(&out01, (output + 0 * 8));
+ store_output(&out23, (output + 1 * 8));
+}
+
+static INLINE void transpose_4x4(__m128i *res) {+ // Combine and transpose
+ // 00 01 02 03 20 21 22 23
+ // 10 11 12 13 30 31 32 33
+ const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]);
+ const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]);
+
+ // 00 10 01 11 02 12 03 13
+ // 20 30 21 31 22 32 23 33
+ res[0] = _mm_unpacklo_epi32(tr0_0, tr0_1);
+ res[2] = _mm_unpackhi_epi32(tr0_0, tr0_1);
+
+ // 00 10 20 30 01 11 21 31
+ // 02 12 22 32 03 13 23 33
+ // only use the first 4 16-bit integers
+ res[1] = _mm_unpackhi_epi64(res[0], res[0]);
+ res[3] = _mm_unpackhi_epi64(res[2], res[2]);
+}
+
+static void fdct4_sse2(__m128i *in) {+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+
+ __m128i u[4], v[4];
+ u[0]=_mm_unpacklo_epi16(in[0], in[1]);
+ u[1]=_mm_unpacklo_epi16(in[3], in[2]);
+
+ v[0] = _mm_add_epi16(u[0], u[1]);
+ v[1] = _mm_sub_epi16(u[0], u[1]);
+
+ u[0] = _mm_madd_epi16(v[0], k__cospi_p16_p16); // 0
+ u[1] = _mm_madd_epi16(v[0], k__cospi_p16_m16); // 2
+ u[2] = _mm_madd_epi16(v[1], k__cospi_p08_p24); // 1
+ u[3] = _mm_madd_epi16(v[1], k__cospi_p24_m08); // 3
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+
+ in[0] = _mm_packs_epi32(u[0], u[1]);
+ in[1] = _mm_packs_epi32(u[2], u[3]);
+ transpose_4x4(in);
+}
+
+static void fadst4_sse2(__m128i *in) {+ const __m128i k__sinpi_p01_p02 = pair_set_epi16(sinpi_1_9, sinpi_2_9);
+ const __m128i k__sinpi_p04_m01 = pair_set_epi16(sinpi_4_9, -sinpi_1_9);
+ const __m128i k__sinpi_p03_p04 = pair_set_epi16(sinpi_3_9, sinpi_4_9);
+ const __m128i k__sinpi_m03_p02 = pair_set_epi16(-sinpi_3_9, sinpi_2_9);
+ const __m128i k__sinpi_p03_p03 = _mm_set1_epi16((int16_t)sinpi_3_9);
+ const __m128i kZero = _mm_set1_epi16(0);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ __m128i u[8], v[8];
+ __m128i in7 = _mm_add_epi16(in[0], in[1]);
+
+ u[0] = _mm_unpacklo_epi16(in[0], in[1]);
+ u[1] = _mm_unpacklo_epi16(in[2], in[3]);
+ u[2] = _mm_unpacklo_epi16(in7, kZero);
+ u[3] = _mm_unpacklo_epi16(in[2], kZero);
+ u[4] = _mm_unpacklo_epi16(in[3], kZero);
+
+ v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p02); // s0 + s2
+ v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p04); // s4 + s5
+ v[2] = _mm_madd_epi16(u[2], k__sinpi_p03_p03); // x1
+ v[3] = _mm_madd_epi16(u[0], k__sinpi_p04_m01); // s1 - s3
+ v[4] = _mm_madd_epi16(u[1], k__sinpi_m03_p02); // -s4 + s6
+ v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s4
+ v[6] = _mm_madd_epi16(u[4], k__sinpi_p03_p03);
+
+ u[0] = _mm_add_epi32(v[0], v[1]);
+ u[1] = _mm_sub_epi32(v[2], v[6]);
+ u[2] = _mm_add_epi32(v[3], v[4]);
+ u[3] = _mm_sub_epi32(u[2], u[0]);
+ u[4] = _mm_slli_epi32(v[5], 2);
+ u[5] = _mm_sub_epi32(u[4], v[5]);
+ u[6] = _mm_add_epi32(u[3], u[5]);
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+
+ in[0] = _mm_packs_epi32(u[0], u[2]);
+ in[1] = _mm_packs_epi32(u[1], u[3]);
+ transpose_4x4(in);
+}
+
+void vp10_fht4x4_sse2(const int16_t *input, tran_low_t *output,
+ int stride, int tx_type) {+ __m128i in[4];
+
+ switch (tx_type) {+ case DCT_DCT:
+ vpx_fdct4x4_sse2(input, output, stride);
+ break;
+ case ADST_DCT:
+ load_buffer_4x4(input, in, stride);
+ fadst4_sse2(in);
+ fdct4_sse2(in);
+ write_buffer_4x4(output, in);
+ break;
+ case DCT_ADST:
+ load_buffer_4x4(input, in, stride);
+ fdct4_sse2(in);
+ fadst4_sse2(in);
+ write_buffer_4x4(output, in);
+ break;
+ case ADST_ADST:
+ load_buffer_4x4(input, in, stride);
+ fadst4_sse2(in);
+ fadst4_sse2(in);
+ write_buffer_4x4(output, in);
+ break;
+ default:
+ assert(0);
+ break;
+ }
+}
+
+void vp10_fdct8x8_quant_sse2(const int16_t *input, int stride,
+ int16_t* coeff_ptr, intptr_t n_coeffs,
+ int skip_block, const int16_t* zbin_ptr,
+ const int16_t* round_ptr, const int16_t* quant_ptr,
+ const int16_t* quant_shift_ptr, int16_t* qcoeff_ptr,
+ int16_t* dqcoeff_ptr, const int16_t* dequant_ptr,
+ uint16_t* eob_ptr,
+ const int16_t* scan_ptr,
+ const int16_t* iscan_ptr) {+ __m128i zero;
+ int pass;
+ // Constants
+ // When we use them, in one case, they are all the same. In all others
+ // it's a pair of them that we need to repeat four times. This is done
+ // by constructing the 32 bit constant corresponding to that pair.
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64);
+ const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
+ const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ // Load input
+ __m128i in0 = _mm_load_si128((const __m128i *)(input + 0 * stride));
+ __m128i in1 = _mm_load_si128((const __m128i *)(input + 1 * stride));
+ __m128i in2 = _mm_load_si128((const __m128i *)(input + 2 * stride));
+ __m128i in3 = _mm_load_si128((const __m128i *)(input + 3 * stride));
+ __m128i in4 = _mm_load_si128((const __m128i *)(input + 4 * stride));
+ __m128i in5 = _mm_load_si128((const __m128i *)(input + 5 * stride));
+ __m128i in6 = _mm_load_si128((const __m128i *)(input + 6 * stride));
+ __m128i in7 = _mm_load_si128((const __m128i *)(input + 7 * stride));
+ __m128i *in[8];
+ int index = 0;
+
+ (void)scan_ptr;
+ (void)zbin_ptr;
+ (void)quant_shift_ptr;
+ (void)coeff_ptr;
+
+ // Pre-condition input (shift by two)
+ in0 = _mm_slli_epi16(in0, 2);
+ in1 = _mm_slli_epi16(in1, 2);
+ in2 = _mm_slli_epi16(in2, 2);
+ in3 = _mm_slli_epi16(in3, 2);
+ in4 = _mm_slli_epi16(in4, 2);
+ in5 = _mm_slli_epi16(in5, 2);
+ in6 = _mm_slli_epi16(in6, 2);
+ in7 = _mm_slli_epi16(in7, 2);
+
+ in[0] = &in0;
+ in[1] = &in1;
+ in[2] = &in2;
+ in[3] = &in3;
+ in[4] = &in4;
+ in[5] = &in5;
+ in[6] = &in6;
+ in[7] = &in7;
+
+ // We do two passes, first the columns, then the rows. The results of the
+ // first pass are transposed so that the same column code can be reused. The
+ // results of the second pass are also transposed so that the rows (processed
+ // as columns) are put back in row positions.
+ for (pass = 0; pass < 2; pass++) {+ // To store results of each pass before the transpose.
+ __m128i res0, res1, res2, res3, res4, res5, res6, res7;
+ // Add/subtract
+ const __m128i q0 = _mm_add_epi16(in0, in7);
+ const __m128i q1 = _mm_add_epi16(in1, in6);
+ const __m128i q2 = _mm_add_epi16(in2, in5);
+ const __m128i q3 = _mm_add_epi16(in3, in4);
+ const __m128i q4 = _mm_sub_epi16(in3, in4);
+ const __m128i q5 = _mm_sub_epi16(in2, in5);
+ const __m128i q6 = _mm_sub_epi16(in1, in6);
+ const __m128i q7 = _mm_sub_epi16(in0, in7);
+ // Work on first four results
+ {+ // Add/subtract
+ const __m128i r0 = _mm_add_epi16(q0, q3);
+ const __m128i r1 = _mm_add_epi16(q1, q2);
+ const __m128i r2 = _mm_sub_epi16(q1, q2);
+ const __m128i r3 = _mm_sub_epi16(q0, q3);
+ // Interleave to do the multiply by constants which gets us into 32bits
+ const __m128i t0 = _mm_unpacklo_epi16(r0, r1);
+ const __m128i t1 = _mm_unpackhi_epi16(r0, r1);
+ const __m128i t2 = _mm_unpacklo_epi16(r2, r3);
+ const __m128i t3 = _mm_unpackhi_epi16(r2, r3);
+ const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p16_p16);
+ const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p16_p16);
+ const __m128i u2 = _mm_madd_epi16(t0, k__cospi_p16_m16);
+ const __m128i u3 = _mm_madd_epi16(t1, k__cospi_p16_m16);
+ const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p24_p08);
+ const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p24_p08);
+ const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m08_p24);
+ const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m08_p24);
+ // dct_const_round_shift
+ const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING);
+ const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING);
+ const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING);
+ const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING);
+ const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING);
+ const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING);
+ const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING);
+ const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING);
+ const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
+ const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
+ const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
+ const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
+ const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
+ const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
+ const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
+ const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
+ // Combine
+ res0 = _mm_packs_epi32(w0, w1);
+ res4 = _mm_packs_epi32(w2, w3);
+ res2 = _mm_packs_epi32(w4, w5);
+ res6 = _mm_packs_epi32(w6, w7);
+ }
+ // Work on next four results
+ {+ // Interleave to do the multiply by constants which gets us into 32bits
+ const __m128i d0 = _mm_unpacklo_epi16(q6, q5);
+ const __m128i d1 = _mm_unpackhi_epi16(q6, q5);
+ const __m128i e0 = _mm_madd_epi16(d0, k__cospi_p16_m16);
+ const __m128i e1 = _mm_madd_epi16(d1, k__cospi_p16_m16);
+ const __m128i e2 = _mm_madd_epi16(d0, k__cospi_p16_p16);
+ const __m128i e3 = _mm_madd_epi16(d1, k__cospi_p16_p16);
+ // dct_const_round_shift
+ const __m128i f0 = _mm_add_epi32(e0, k__DCT_CONST_ROUNDING);
+ const __m128i f1 = _mm_add_epi32(e1, k__DCT_CONST_ROUNDING);
+ const __m128i f2 = _mm_add_epi32(e2, k__DCT_CONST_ROUNDING);
+ const __m128i f3 = _mm_add_epi32(e3, k__DCT_CONST_ROUNDING);
+ const __m128i s0 = _mm_srai_epi32(f0, DCT_CONST_BITS);
+ const __m128i s1 = _mm_srai_epi32(f1, DCT_CONST_BITS);
+ const __m128i s2 = _mm_srai_epi32(f2, DCT_CONST_BITS);
+ const __m128i s3 = _mm_srai_epi32(f3, DCT_CONST_BITS);
+ // Combine
+ const __m128i r0 = _mm_packs_epi32(s0, s1);
+ const __m128i r1 = _mm_packs_epi32(s2, s3);
+ // Add/subtract
+ const __m128i x0 = _mm_add_epi16(q4, r0);
+ const __m128i x1 = _mm_sub_epi16(q4, r0);
+ const __m128i x2 = _mm_sub_epi16(q7, r1);
+ const __m128i x3 = _mm_add_epi16(q7, r1);
+ // Interleave to do the multiply by constants which gets us into 32bits
+ const __m128i t0 = _mm_unpacklo_epi16(x0, x3);
+ const __m128i t1 = _mm_unpackhi_epi16(x0, x3);
+ const __m128i t2 = _mm_unpacklo_epi16(x1, x2);
+ const __m128i t3 = _mm_unpackhi_epi16(x1, x2);
+ const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p28_p04);
+ const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p28_p04);
+ const __m128i u2 = _mm_madd_epi16(t0, k__cospi_m04_p28);
+ const __m128i u3 = _mm_madd_epi16(t1, k__cospi_m04_p28);
+ const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p12_p20);
+ const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p12_p20);
+ const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m20_p12);
+ const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m20_p12);
+ // dct_const_round_shift
+ const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING);
+ const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING);
+ const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING);
+ const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING);
+ const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING);
+ const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING);
+ const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING);
+ const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING);
+ const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
+ const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
+ const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
+ const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
+ const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
+ const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
+ const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
+ const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
+ // Combine
+ res1 = _mm_packs_epi32(w0, w1);
+ res7 = _mm_packs_epi32(w2, w3);
+ res5 = _mm_packs_epi32(w4, w5);
+ res3 = _mm_packs_epi32(w6, w7);
+ }
+ // Transpose the 8x8.
+ {+ // 00 01 02 03 04 05 06 07
+ // 10 11 12 13 14 15 16 17
+ // 20 21 22 23 24 25 26 27
+ // 30 31 32 33 34 35 36 37
+ // 40 41 42 43 44 45 46 47
+ // 50 51 52 53 54 55 56 57
+ // 60 61 62 63 64 65 66 67
+ // 70 71 72 73 74 75 76 77
+ const __m128i tr0_0 = _mm_unpacklo_epi16(res0, res1);
+ const __m128i tr0_1 = _mm_unpacklo_epi16(res2, res3);
+ const __m128i tr0_2 = _mm_unpackhi_epi16(res0, res1);
+ const __m128i tr0_3 = _mm_unpackhi_epi16(res2, res3);
+ const __m128i tr0_4 = _mm_unpacklo_epi16(res4, res5);
+ const __m128i tr0_5 = _mm_unpacklo_epi16(res6, res7);
+ const __m128i tr0_6 = _mm_unpackhi_epi16(res4, res5);
+ const __m128i tr0_7 = _mm_unpackhi_epi16(res6, res7);
+ // 00 10 01 11 02 12 03 13
+ // 20 30 21 31 22 32 23 33
+ // 04 14 05 15 06 16 07 17
+ // 24 34 25 35 26 36 27 37
+ // 40 50 41 51 42 52 43 53
+ // 60 70 61 71 62 72 63 73
+ // 54 54 55 55 56 56 57 57
+ // 64 74 65 75 66 76 67 77
+ const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
+ const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3);
+ const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
+ const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3);
+ const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5);
+ const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7);
+ const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5);
+ const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7);
+ // 00 10 20 30 01 11 21 31
+ // 40 50 60 70 41 51 61 71
+ // 02 12 22 32 03 13 23 33
+ // 42 52 62 72 43 53 63 73
+ // 04 14 24 34 05 15 21 36
+ // 44 54 64 74 45 55 61 76
+ // 06 16 26 36 07 17 27 37
+ // 46 56 66 76 47 57 67 77
+ in0 = _mm_unpacklo_epi64(tr1_0, tr1_4);
+ in1 = _mm_unpackhi_epi64(tr1_0, tr1_4);
+ in2 = _mm_unpacklo_epi64(tr1_2, tr1_6);
+ in3 = _mm_unpackhi_epi64(tr1_2, tr1_6);
+ in4 = _mm_unpacklo_epi64(tr1_1, tr1_5);
+ in5 = _mm_unpackhi_epi64(tr1_1, tr1_5);
+ in6 = _mm_unpacklo_epi64(tr1_3, tr1_7);
+ in7 = _mm_unpackhi_epi64(tr1_3, tr1_7);
+ // 00 10 20 30 40 50 60 70
+ // 01 11 21 31 41 51 61 71
+ // 02 12 22 32 42 52 62 72
+ // 03 13 23 33 43 53 63 73
+ // 04 14 24 34 44 54 64 74
+ // 05 15 25 35 45 55 65 75
+ // 06 16 26 36 46 56 66 76
+ // 07 17 27 37 47 57 67 77
+ }
+ }
+ // Post-condition output and store it
+ {+ // Post-condition (division by two)
+ // division of two 16 bits signed numbers using shifts
+ // n / 2 = (n - (n >> 15)) >> 1
+ const __m128i sign_in0 = _mm_srai_epi16(in0, 15);
+ const __m128i sign_in1 = _mm_srai_epi16(in1, 15);
+ const __m128i sign_in2 = _mm_srai_epi16(in2, 15);
+ const __m128i sign_in3 = _mm_srai_epi16(in3, 15);
+ const __m128i sign_in4 = _mm_srai_epi16(in4, 15);
+ const __m128i sign_in5 = _mm_srai_epi16(in5, 15);
+ const __m128i sign_in6 = _mm_srai_epi16(in6, 15);
+ const __m128i sign_in7 = _mm_srai_epi16(in7, 15);
+ in0 = _mm_sub_epi16(in0, sign_in0);
+ in1 = _mm_sub_epi16(in1, sign_in1);
+ in2 = _mm_sub_epi16(in2, sign_in2);
+ in3 = _mm_sub_epi16(in3, sign_in3);
+ in4 = _mm_sub_epi16(in4, sign_in4);
+ in5 = _mm_sub_epi16(in5, sign_in5);
+ in6 = _mm_sub_epi16(in6, sign_in6);
+ in7 = _mm_sub_epi16(in7, sign_in7);
+ in0 = _mm_srai_epi16(in0, 1);
+ in1 = _mm_srai_epi16(in1, 1);
+ in2 = _mm_srai_epi16(in2, 1);
+ in3 = _mm_srai_epi16(in3, 1);
+ in4 = _mm_srai_epi16(in4, 1);
+ in5 = _mm_srai_epi16(in5, 1);
+ in6 = _mm_srai_epi16(in6, 1);
+ in7 = _mm_srai_epi16(in7, 1);
+ }
+
+ iscan_ptr += n_coeffs;
+ qcoeff_ptr += n_coeffs;
+ dqcoeff_ptr += n_coeffs;
+ n_coeffs = -n_coeffs;
+ zero = _mm_setzero_si128();
+
+ if (!skip_block) {+ __m128i eob;
+ __m128i round, quant, dequant;
+ {+ __m128i coeff0, coeff1;
+
+ // Setup global values
+ {+ round = _mm_load_si128((const __m128i*)round_ptr);
+ quant = _mm_load_si128((const __m128i*)quant_ptr);
+ dequant = _mm_load_si128((const __m128i*)dequant_ptr);
+ }
+
+ {+ __m128i coeff0_sign, coeff1_sign;
+ __m128i qcoeff0, qcoeff1;
+ __m128i qtmp0, qtmp1;
+ // Do DC and first 15 AC
+ coeff0 = *in[0];
+ coeff1 = *in[1];
+
+ // Poor man's sign extract
+ coeff0_sign = _mm_srai_epi16(coeff0, 15);
+ coeff1_sign = _mm_srai_epi16(coeff1, 15);
+ qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
+ qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
+ qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
+ qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
+
+ qcoeff0 = _mm_adds_epi16(qcoeff0, round);
+ round = _mm_unpackhi_epi64(round, round);
+ qcoeff1 = _mm_adds_epi16(qcoeff1, round);
+ qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
+ quant = _mm_unpackhi_epi64(quant, quant);
+ qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
+
+ // Reinsert signs
+ qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign);
+ qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign);
+ qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
+ qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
+
+ _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0);
+ _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1);
+
+ coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
+ dequant = _mm_unpackhi_epi64(dequant, dequant);
+ coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
+
+ _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0);
+ _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1);
+ }
+
+ {+ // Scan for eob
+ __m128i zero_coeff0, zero_coeff1;
+ __m128i nzero_coeff0, nzero_coeff1;
+ __m128i iscan0, iscan1;
+ __m128i eob1;
+ zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
+ zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
+ nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero);
+ nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero);
+ iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs));
+ iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1);
+ // Add one to convert from indices to counts
+ iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0);
+ iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1);
+ eob = _mm_and_si128(iscan0, nzero_coeff0);
+ eob1 = _mm_and_si128(iscan1, nzero_coeff1);
+ eob = _mm_max_epi16(eob, eob1);
+ }
+ n_coeffs += 8 * 2;
+ }
+
+ // AC only loop
+ index = 2;
+ while (n_coeffs < 0) {+ __m128i coeff0, coeff1;
+ {+ __m128i coeff0_sign, coeff1_sign;
+ __m128i qcoeff0, qcoeff1;
+ __m128i qtmp0, qtmp1;
+
+ assert(index < (int)(sizeof(in) / sizeof(in[0])) - 1);
+ coeff0 = *in[index];
+ coeff1 = *in[index + 1];
+
+ // Poor man's sign extract
+ coeff0_sign = _mm_srai_epi16(coeff0, 15);
+ coeff1_sign = _mm_srai_epi16(coeff1, 15);
+ qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
+ qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
+ qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
+ qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
+
+ qcoeff0 = _mm_adds_epi16(qcoeff0, round);
+ qcoeff1 = _mm_adds_epi16(qcoeff1, round);
+ qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
+ qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
+
+ // Reinsert signs
+ qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign);
+ qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign);
+ qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
+ qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
+
+ _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0);
+ _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1);
+
+ coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
+ coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
+
+ _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0);
+ _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1);
+ }
+
+ {+ // Scan for eob
+ __m128i zero_coeff0, zero_coeff1;
+ __m128i nzero_coeff0, nzero_coeff1;
+ __m128i iscan0, iscan1;
+ __m128i eob0, eob1;
+ zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
+ zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
+ nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero);
+ nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero);
+ iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs));
+ iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1);
+ // Add one to convert from indices to counts
+ iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0);
+ iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1);
+ eob0 = _mm_and_si128(iscan0, nzero_coeff0);
+ eob1 = _mm_and_si128(iscan1, nzero_coeff1);
+ eob0 = _mm_max_epi16(eob0, eob1);
+ eob = _mm_max_epi16(eob, eob0);
+ }
+ n_coeffs += 8 * 2;
+ index += 2;
+ }
+
+ // Accumulate EOB
+ {+ __m128i eob_shuffled;
+ eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
+ eob = _mm_max_epi16(eob, eob_shuffled);
+ eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
+ eob = _mm_max_epi16(eob, eob_shuffled);
+ eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
+ eob = _mm_max_epi16(eob, eob_shuffled);
+ *eob_ptr = _mm_extract_epi16(eob, 1);
+ }
+ } else {+ do {+ _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), zero);
+ _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, zero);
+ _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), zero);
+ _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, zero);
+ n_coeffs += 8 * 2;
+ } while (n_coeffs < 0);
+ *eob_ptr = 0;
+ }
+}
+
+// load 8x8 array
+static INLINE void load_buffer_8x8(const int16_t *input, __m128i *in,
+ int stride) {+ in[0] = _mm_load_si128((const __m128i *)(input + 0 * stride));
+ in[1] = _mm_load_si128((const __m128i *)(input + 1 * stride));
+ in[2] = _mm_load_si128((const __m128i *)(input + 2 * stride));
+ in[3] = _mm_load_si128((const __m128i *)(input + 3 * stride));
+ in[4] = _mm_load_si128((const __m128i *)(input + 4 * stride));
+ in[5] = _mm_load_si128((const __m128i *)(input + 5 * stride));
+ in[6] = _mm_load_si128((const __m128i *)(input + 6 * stride));
+ in[7] = _mm_load_si128((const __m128i *)(input + 7 * stride));
+
+ in[0] = _mm_slli_epi16(in[0], 2);
+ in[1] = _mm_slli_epi16(in[1], 2);
+ in[2] = _mm_slli_epi16(in[2], 2);
+ in[3] = _mm_slli_epi16(in[3], 2);
+ in[4] = _mm_slli_epi16(in[4], 2);
+ in[5] = _mm_slli_epi16(in[5], 2);
+ in[6] = _mm_slli_epi16(in[6], 2);
+ in[7] = _mm_slli_epi16(in[7], 2);
+}
+
+// right shift and rounding
+static INLINE void right_shift_8x8(__m128i *res, const int bit) {+ __m128i sign0 = _mm_srai_epi16(res[0], 15);
+ __m128i sign1 = _mm_srai_epi16(res[1], 15);
+ __m128i sign2 = _mm_srai_epi16(res[2], 15);
+ __m128i sign3 = _mm_srai_epi16(res[3], 15);
+ __m128i sign4 = _mm_srai_epi16(res[4], 15);
+ __m128i sign5 = _mm_srai_epi16(res[5], 15);
+ __m128i sign6 = _mm_srai_epi16(res[6], 15);
+ __m128i sign7 = _mm_srai_epi16(res[7], 15);
+
+ if (bit == 2) {+ const __m128i const_rounding = _mm_set1_epi16(1);
+ res[0] = _mm_add_epi16(res[0], const_rounding);
+ res[1] = _mm_add_epi16(res[1], const_rounding);
+ res[2] = _mm_add_epi16(res[2], const_rounding);
+ res[3] = _mm_add_epi16(res[3], const_rounding);
+ res[4] = _mm_add_epi16(res[4], const_rounding);
+ res[5] = _mm_add_epi16(res[5], const_rounding);
+ res[6] = _mm_add_epi16(res[6], const_rounding);
+ res[7] = _mm_add_epi16(res[7], const_rounding);
+ }
+
+ res[0] = _mm_sub_epi16(res[0], sign0);
+ res[1] = _mm_sub_epi16(res[1], sign1);
+ res[2] = _mm_sub_epi16(res[2], sign2);
+ res[3] = _mm_sub_epi16(res[3], sign3);
+ res[4] = _mm_sub_epi16(res[4], sign4);
+ res[5] = _mm_sub_epi16(res[5], sign5);
+ res[6] = _mm_sub_epi16(res[6], sign6);
+ res[7] = _mm_sub_epi16(res[7], sign7);
+
+ if (bit == 1) {+ res[0] = _mm_srai_epi16(res[0], 1);
+ res[1] = _mm_srai_epi16(res[1], 1);
+ res[2] = _mm_srai_epi16(res[2], 1);
+ res[3] = _mm_srai_epi16(res[3], 1);
+ res[4] = _mm_srai_epi16(res[4], 1);
+ res[5] = _mm_srai_epi16(res[5], 1);
+ res[6] = _mm_srai_epi16(res[6], 1);
+ res[7] = _mm_srai_epi16(res[7], 1);
+ } else {+ res[0] = _mm_srai_epi16(res[0], 2);
+ res[1] = _mm_srai_epi16(res[1], 2);
+ res[2] = _mm_srai_epi16(res[2], 2);
+ res[3] = _mm_srai_epi16(res[3], 2);
+ res[4] = _mm_srai_epi16(res[4], 2);
+ res[5] = _mm_srai_epi16(res[5], 2);
+ res[6] = _mm_srai_epi16(res[6], 2);
+ res[7] = _mm_srai_epi16(res[7], 2);
+ }
+}
+
+// write 8x8 array
+static INLINE void write_buffer_8x8(tran_low_t *output, __m128i *res,
+ int stride) {+ store_output(&res[0], (output + 0 * stride));
+ store_output(&res[1], (output + 1 * stride));
+ store_output(&res[2], (output + 2 * stride));
+ store_output(&res[3], (output + 3 * stride));
+ store_output(&res[4], (output + 4 * stride));
+ store_output(&res[5], (output + 5 * stride));
+ store_output(&res[6], (output + 6 * stride));
+ store_output(&res[7], (output + 7 * stride));
+}
+
+// perform in-place transpose
+static INLINE void array_transpose_8x8(__m128i *in, __m128i *res) {+ const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]);
+ const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]);
+ const __m128i tr0_2 = _mm_unpackhi_epi16(in[0], in[1]);
+ const __m128i tr0_3 = _mm_unpackhi_epi16(in[2], in[3]);
+ const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]);
+ const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]);
+ const __m128i tr0_6 = _mm_unpackhi_epi16(in[4], in[5]);
+ const __m128i tr0_7 = _mm_unpackhi_epi16(in[6], in[7]);
+ // 00 10 01 11 02 12 03 13
+ // 20 30 21 31 22 32 23 33
+ // 04 14 05 15 06 16 07 17
+ // 24 34 25 35 26 36 27 37
+ // 40 50 41 51 42 52 43 53
+ // 60 70 61 71 62 72 63 73
+ // 44 54 45 55 46 56 47 57
+ // 64 74 65 75 66 76 67 77
+ const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
+ const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_4, tr0_5);
+ const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
+ const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_4, tr0_5);
+ const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_2, tr0_3);
+ const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7);
+ const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_2, tr0_3);
+ const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7);
+ // 00 10 20 30 01 11 21 31
+ // 40 50 60 70 41 51 61 71
+ // 02 12 22 32 03 13 23 33
+ // 42 52 62 72 43 53 63 73
+ // 04 14 24 34 05 15 25 35
+ // 44 54 64 74 45 55 65 75
+ // 06 16 26 36 07 17 27 37
+ // 46 56 66 76 47 57 67 77
+ res[0] = _mm_unpacklo_epi64(tr1_0, tr1_1);
+ res[1] = _mm_unpackhi_epi64(tr1_0, tr1_1);
+ res[2] = _mm_unpacklo_epi64(tr1_2, tr1_3);
+ res[3] = _mm_unpackhi_epi64(tr1_2, tr1_3);
+ res[4] = _mm_unpacklo_epi64(tr1_4, tr1_5);
+ res[5] = _mm_unpackhi_epi64(tr1_4, tr1_5);
+ res[6] = _mm_unpacklo_epi64(tr1_6, tr1_7);
+ res[7] = _mm_unpackhi_epi64(tr1_6, tr1_7);
+ // 00 10 20 30 40 50 60 70
+ // 01 11 21 31 41 51 61 71
+ // 02 12 22 32 42 52 62 72
+ // 03 13 23 33 43 53 63 73
+ // 04 14 24 34 44 54 64 74
+ // 05 15 25 35 45 55 65 75
+ // 06 16 26 36 46 56 66 76
+ // 07 17 27 37 47 57 67 77
+}
+
+static void fdct8_sse2(__m128i *in) {+ // constants
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64);
+ const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
+ const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ __m128i u0, u1, u2, u3, u4, u5, u6, u7;
+ __m128i v0, v1, v2, v3, v4, v5, v6, v7;
+ __m128i s0, s1, s2, s3, s4, s5, s6, s7;
+
+ // stage 1
+ s0 = _mm_add_epi16(in[0], in[7]);
+ s1 = _mm_add_epi16(in[1], in[6]);
+ s2 = _mm_add_epi16(in[2], in[5]);
+ s3 = _mm_add_epi16(in[3], in[4]);
+ s4 = _mm_sub_epi16(in[3], in[4]);
+ s5 = _mm_sub_epi16(in[2], in[5]);
+ s6 = _mm_sub_epi16(in[1], in[6]);
+ s7 = _mm_sub_epi16(in[0], in[7]);
+
+ u0 = _mm_add_epi16(s0, s3);
+ u1 = _mm_add_epi16(s1, s2);
+ u2 = _mm_sub_epi16(s1, s2);
+ u3 = _mm_sub_epi16(s0, s3);
+ // interleave and perform butterfly multiplication/addition
+ v0 = _mm_unpacklo_epi16(u0, u1);
+ v1 = _mm_unpackhi_epi16(u0, u1);
+ v2 = _mm_unpacklo_epi16(u2, u3);
+ v3 = _mm_unpackhi_epi16(u2, u3);
+
+ u0 = _mm_madd_epi16(v0, k__cospi_p16_p16);
+ u1 = _mm_madd_epi16(v1, k__cospi_p16_p16);
+ u2 = _mm_madd_epi16(v0, k__cospi_p16_m16);
+ u3 = _mm_madd_epi16(v1, k__cospi_p16_m16);
+ u4 = _mm_madd_epi16(v2, k__cospi_p24_p08);
+ u5 = _mm_madd_epi16(v3, k__cospi_p24_p08);
+ u6 = _mm_madd_epi16(v2, k__cospi_m08_p24);
+ u7 = _mm_madd_epi16(v3, k__cospi_m08_p24);
+
+ // shift and rounding
+ v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING);
+ v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING);
+ v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING);
+ v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING);
+ v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING);
+ v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING);
+ v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING);
+ v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING);
+
+ u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
+ u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
+ u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
+ u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
+ u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
+ u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
+ u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
+ u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
+
+ in[0] = _mm_packs_epi32(u0, u1);
+ in[2] = _mm_packs_epi32(u4, u5);
+ in[4] = _mm_packs_epi32(u2, u3);
+ in[6] = _mm_packs_epi32(u6, u7);
+
+ // stage 2
+ // interleave and perform butterfly multiplication/addition
+ u0 = _mm_unpacklo_epi16(s6, s5);
+ u1 = _mm_unpackhi_epi16(s6, s5);
+ v0 = _mm_madd_epi16(u0, k__cospi_p16_m16);
+ v1 = _mm_madd_epi16(u1, k__cospi_p16_m16);
+ v2 = _mm_madd_epi16(u0, k__cospi_p16_p16);
+ v3 = _mm_madd_epi16(u1, k__cospi_p16_p16);
+
+ // shift and rounding
+ u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
+ u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
+ u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
+ u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
+
+ v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
+ v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
+ v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
+ v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
+
+ u0 = _mm_packs_epi32(v0, v1);
+ u1 = _mm_packs_epi32(v2, v3);
+
+ // stage 3
+ s0 = _mm_add_epi16(s4, u0);
+ s1 = _mm_sub_epi16(s4, u0);
+ s2 = _mm_sub_epi16(s7, u1);
+ s3 = _mm_add_epi16(s7, u1);
+
+ // stage 4
+ u0 = _mm_unpacklo_epi16(s0, s3);
+ u1 = _mm_unpackhi_epi16(s0, s3);
+ u2 = _mm_unpacklo_epi16(s1, s2);
+ u3 = _mm_unpackhi_epi16(s1, s2);
+
+ v0 = _mm_madd_epi16(u0, k__cospi_p28_p04);
+ v1 = _mm_madd_epi16(u1, k__cospi_p28_p04);
+ v2 = _mm_madd_epi16(u2, k__cospi_p12_p20);
+ v3 = _mm_madd_epi16(u3, k__cospi_p12_p20);
+ v4 = _mm_madd_epi16(u2, k__cospi_m20_p12);
+ v5 = _mm_madd_epi16(u3, k__cospi_m20_p12);
+ v6 = _mm_madd_epi16(u0, k__cospi_m04_p28);
+ v7 = _mm_madd_epi16(u1, k__cospi_m04_p28);
+
+ // shift and rounding
+ u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
+ u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
+ u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
+ u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
+ u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING);
+ u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING);
+ u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING);
+ u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING);
+
+ v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
+ v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
+ v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
+ v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
+ v4 = _mm_srai_epi32(u4, DCT_CONST_BITS);
+ v5 = _mm_srai_epi32(u5, DCT_CONST_BITS);
+ v6 = _mm_srai_epi32(u6, DCT_CONST_BITS);
+ v7 = _mm_srai_epi32(u7, DCT_CONST_BITS);
+
+ in[1] = _mm_packs_epi32(v0, v1);
+ in[3] = _mm_packs_epi32(v4, v5);
+ in[5] = _mm_packs_epi32(v2, v3);
+ in[7] = _mm_packs_epi32(v6, v7);
+
+ // transpose
+ array_transpose_8x8(in, in);
+}
+
+static void fadst8_sse2(__m128i *in) {+ // Constants
+ const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
+ const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
+ const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
+ const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
+ const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
+ const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__const_0 = _mm_set1_epi16(0);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+
+ __m128i u0, u1, u2, u3, u4, u5, u6, u7, u8, u9, u10, u11, u12, u13, u14, u15;
+ __m128i v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15;
+ __m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
+ __m128i s0, s1, s2, s3, s4, s5, s6, s7;
+ __m128i in0, in1, in2, in3, in4, in5, in6, in7;
+
+ // properly aligned for butterfly input
+ in0 = in[7];
+ in1 = in[0];
+ in2 = in[5];
+ in3 = in[2];
+ in4 = in[3];
+ in5 = in[4];
+ in6 = in[1];
+ in7 = in[6];
+
+ // column transformation
+ // stage 1
+ // interleave and multiply/add into 32-bit integer
+ s0 = _mm_unpacklo_epi16(in0, in1);
+ s1 = _mm_unpackhi_epi16(in0, in1);
+ s2 = _mm_unpacklo_epi16(in2, in3);
+ s3 = _mm_unpackhi_epi16(in2, in3);
+ s4 = _mm_unpacklo_epi16(in4, in5);
+ s5 = _mm_unpackhi_epi16(in4, in5);
+ s6 = _mm_unpacklo_epi16(in6, in7);
+ s7 = _mm_unpackhi_epi16(in6, in7);
+
+ u0 = _mm_madd_epi16(s0, k__cospi_p02_p30);
+ u1 = _mm_madd_epi16(s1, k__cospi_p02_p30);
+ u2 = _mm_madd_epi16(s0, k__cospi_p30_m02);
+ u3 = _mm_madd_epi16(s1, k__cospi_p30_m02);
+ u4 = _mm_madd_epi16(s2, k__cospi_p10_p22);
+ u5 = _mm_madd_epi16(s3, k__cospi_p10_p22);
+ u6 = _mm_madd_epi16(s2, k__cospi_p22_m10);
+ u7 = _mm_madd_epi16(s3, k__cospi_p22_m10);
+ u8 = _mm_madd_epi16(s4, k__cospi_p18_p14);
+ u9 = _mm_madd_epi16(s5, k__cospi_p18_p14);
+ u10 = _mm_madd_epi16(s4, k__cospi_p14_m18);
+ u11 = _mm_madd_epi16(s5, k__cospi_p14_m18);
+ u12 = _mm_madd_epi16(s6, k__cospi_p26_p06);
+ u13 = _mm_madd_epi16(s7, k__cospi_p26_p06);
+ u14 = _mm_madd_epi16(s6, k__cospi_p06_m26);
+ u15 = _mm_madd_epi16(s7, k__cospi_p06_m26);
+
+ // addition
+ w0 = _mm_add_epi32(u0, u8);
+ w1 = _mm_add_epi32(u1, u9);
+ w2 = _mm_add_epi32(u2, u10);
+ w3 = _mm_add_epi32(u3, u11);
+ w4 = _mm_add_epi32(u4, u12);
+ w5 = _mm_add_epi32(u5, u13);
+ w6 = _mm_add_epi32(u6, u14);
+ w7 = _mm_add_epi32(u7, u15);
+ w8 = _mm_sub_epi32(u0, u8);
+ w9 = _mm_sub_epi32(u1, u9);
+ w10 = _mm_sub_epi32(u2, u10);
+ w11 = _mm_sub_epi32(u3, u11);
+ w12 = _mm_sub_epi32(u4, u12);
+ w13 = _mm_sub_epi32(u5, u13);
+ w14 = _mm_sub_epi32(u6, u14);
+ w15 = _mm_sub_epi32(u7, u15);
+
+ // shift and rounding
+ v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
+ v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
+ v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
+ v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
+ v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
+ v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
+ v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
+ v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
+ v8 = _mm_add_epi32(w8, k__DCT_CONST_ROUNDING);
+ v9 = _mm_add_epi32(w9, k__DCT_CONST_ROUNDING);
+ v10 = _mm_add_epi32(w10, k__DCT_CONST_ROUNDING);
+ v11 = _mm_add_epi32(w11, k__DCT_CONST_ROUNDING);
+ v12 = _mm_add_epi32(w12, k__DCT_CONST_ROUNDING);
+ v13 = _mm_add_epi32(w13, k__DCT_CONST_ROUNDING);
+ v14 = _mm_add_epi32(w14, k__DCT_CONST_ROUNDING);
+ v15 = _mm_add_epi32(w15, k__DCT_CONST_ROUNDING);
+
+ u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
+ u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
+ u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
+ u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
+ u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
+ u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
+ u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
+ u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
+ u8 = _mm_srai_epi32(v8, DCT_CONST_BITS);
+ u9 = _mm_srai_epi32(v9, DCT_CONST_BITS);
+ u10 = _mm_srai_epi32(v10, DCT_CONST_BITS);
+ u11 = _mm_srai_epi32(v11, DCT_CONST_BITS);
+ u12 = _mm_srai_epi32(v12, DCT_CONST_BITS);
+ u13 = _mm_srai_epi32(v13, DCT_CONST_BITS);
+ u14 = _mm_srai_epi32(v14, DCT_CONST_BITS);
+ u15 = _mm_srai_epi32(v15, DCT_CONST_BITS);
+
+ // back to 16-bit and pack 8 integers into __m128i
+ in[0] = _mm_packs_epi32(u0, u1);
+ in[1] = _mm_packs_epi32(u2, u3);
+ in[2] = _mm_packs_epi32(u4, u5);
+ in[3] = _mm_packs_epi32(u6, u7);
+ in[4] = _mm_packs_epi32(u8, u9);
+ in[5] = _mm_packs_epi32(u10, u11);
+ in[6] = _mm_packs_epi32(u12, u13);
+ in[7] = _mm_packs_epi32(u14, u15);
+
+ // stage 2
+ s0 = _mm_add_epi16(in[0], in[2]);
+ s1 = _mm_add_epi16(in[1], in[3]);
+ s2 = _mm_sub_epi16(in[0], in[2]);
+ s3 = _mm_sub_epi16(in[1], in[3]);
+ u0 = _mm_unpacklo_epi16(in[4], in[5]);
+ u1 = _mm_unpackhi_epi16(in[4], in[5]);
+ u2 = _mm_unpacklo_epi16(in[6], in[7]);
+ u3 = _mm_unpackhi_epi16(in[6], in[7]);
+
+ v0 = _mm_madd_epi16(u0, k__cospi_p08_p24);
+ v1 = _mm_madd_epi16(u1, k__cospi_p08_p24);
+ v2 = _mm_madd_epi16(u0, k__cospi_p24_m08);
+ v3 = _mm_madd_epi16(u1, k__cospi_p24_m08);
+ v4 = _mm_madd_epi16(u2, k__cospi_m24_p08);
+ v5 = _mm_madd_epi16(u3, k__cospi_m24_p08);
+ v6 = _mm_madd_epi16(u2, k__cospi_p08_p24);
+ v7 = _mm_madd_epi16(u3, k__cospi_p08_p24);
+
+ w0 = _mm_add_epi32(v0, v4);
+ w1 = _mm_add_epi32(v1, v5);
+ w2 = _mm_add_epi32(v2, v6);
+ w3 = _mm_add_epi32(v3, v7);
+ w4 = _mm_sub_epi32(v0, v4);
+ w5 = _mm_sub_epi32(v1, v5);
+ w6 = _mm_sub_epi32(v2, v6);
+ w7 = _mm_sub_epi32(v3, v7);
+
+ v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
+ v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
+ v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
+ v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
+ v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
+ v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
+ v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
+ v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
+
+ u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
+ u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
+ u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
+ u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
+ u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
+ u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
+ u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
+ u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
+
+ // back to 16-bit intergers
+ s4 = _mm_packs_epi32(u0, u1);
+ s5 = _mm_packs_epi32(u2, u3);
+ s6 = _mm_packs_epi32(u4, u5);
+ s7 = _mm_packs_epi32(u6, u7);
+
+ // stage 3
+ u0 = _mm_unpacklo_epi16(s2, s3);
+ u1 = _mm_unpackhi_epi16(s2, s3);
+ u2 = _mm_unpacklo_epi16(s6, s7);
+ u3 = _mm_unpackhi_epi16(s6, s7);
+
+ v0 = _mm_madd_epi16(u0, k__cospi_p16_p16);
+ v1 = _mm_madd_epi16(u1, k__cospi_p16_p16);
+ v2 = _mm_madd_epi16(u0, k__cospi_p16_m16);
+ v3 = _mm_madd_epi16(u1, k__cospi_p16_m16);
+ v4 = _mm_madd_epi16(u2, k__cospi_p16_p16);
+ v5 = _mm_madd_epi16(u3, k__cospi_p16_p16);
+ v6 = _mm_madd_epi16(u2, k__cospi_p16_m16);
+ v7 = _mm_madd_epi16(u3, k__cospi_p16_m16);
+
+ u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
+ u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
+ u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
+ u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
+ u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING);
+ u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING);
+ u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING);
+ u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING);
+
+ v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
+ v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
+ v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
+ v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
+ v4 = _mm_srai_epi32(u4, DCT_CONST_BITS);
+ v5 = _mm_srai_epi32(u5, DCT_CONST_BITS);
+ v6 = _mm_srai_epi32(u6, DCT_CONST_BITS);
+ v7 = _mm_srai_epi32(u7, DCT_CONST_BITS);
+
+ s2 = _mm_packs_epi32(v0, v1);
+ s3 = _mm_packs_epi32(v2, v3);
+ s6 = _mm_packs_epi32(v4, v5);
+ s7 = _mm_packs_epi32(v6, v7);
+
+ // FIXME(jingning): do subtract using bit inversion?
+ in[0] = s0;
+ in[1] = _mm_sub_epi16(k__const_0, s4);
+ in[2] = s6;
+ in[3] = _mm_sub_epi16(k__const_0, s2);
+ in[4] = s3;
+ in[5] = _mm_sub_epi16(k__const_0, s7);
+ in[6] = s5;
+ in[7] = _mm_sub_epi16(k__const_0, s1);
+
+ // transpose
+ array_transpose_8x8(in, in);
+}
+
+void vp10_fht8x8_sse2(const int16_t *input, tran_low_t *output,
+ int stride, int tx_type) {+ __m128i in[8];
+
+ switch (tx_type) {+ case DCT_DCT:
+ vpx_fdct8x8_sse2(input, output, stride);
+ break;
+ case ADST_DCT:
+ load_buffer_8x8(input, in, stride);
+ fadst8_sse2(in);
+ fdct8_sse2(in);
+ right_shift_8x8(in, 1);
+ write_buffer_8x8(output, in, 8);
+ break;
+ case DCT_ADST:
+ load_buffer_8x8(input, in, stride);
+ fdct8_sse2(in);
+ fadst8_sse2(in);
+ right_shift_8x8(in, 1);
+ write_buffer_8x8(output, in, 8);
+ break;
+ case ADST_ADST:
+ load_buffer_8x8(input, in, stride);
+ fadst8_sse2(in);
+ fadst8_sse2(in);
+ right_shift_8x8(in, 1);
+ write_buffer_8x8(output, in, 8);
+ break;
+ default:
+ assert(0);
+ break;
+ }
+}
+
+static INLINE void load_buffer_16x16(const int16_t* input, __m128i *in0,
+ __m128i *in1, int stride) {+ // load first 8 columns
+ load_buffer_8x8(input, in0, stride);
+ load_buffer_8x8(input + 8 * stride, in0 + 8, stride);
+
+ input += 8;
+ // load second 8 columns
+ load_buffer_8x8(input, in1, stride);
+ load_buffer_8x8(input + 8 * stride, in1 + 8, stride);
+}
+
+static INLINE void write_buffer_16x16(tran_low_t *output, __m128i *in0,
+ __m128i *in1, int stride) {+ // write first 8 columns
+ write_buffer_8x8(output, in0, stride);
+ write_buffer_8x8(output + 8 * stride, in0 + 8, stride);
+ // write second 8 columns
+ output += 8;
+ write_buffer_8x8(output, in1, stride);
+ write_buffer_8x8(output + 8 * stride, in1 + 8, stride);
+}
+
+static INLINE void array_transpose_16x16(__m128i *res0, __m128i *res1) {+ __m128i tbuf[8];
+ array_transpose_8x8(res0, res0);
+ array_transpose_8x8(res1, tbuf);
+ array_transpose_8x8(res0 + 8, res1);
+ array_transpose_8x8(res1 + 8, res1 + 8);
+
+ res0[8] = tbuf[0];
+ res0[9] = tbuf[1];
+ res0[10] = tbuf[2];
+ res0[11] = tbuf[3];
+ res0[12] = tbuf[4];
+ res0[13] = tbuf[5];
+ res0[14] = tbuf[6];
+ res0[15] = tbuf[7];
+}
+
+static INLINE void right_shift_16x16(__m128i *res0, __m128i *res1) {+ // perform rounding operations
+ right_shift_8x8(res0, 2);
+ right_shift_8x8(res0 + 8, 2);
+ right_shift_8x8(res1, 2);
+ right_shift_8x8(res1 + 8, 2);
+}
+
+static void fdct16_8col(__m128i *in) {+ // perform 16x16 1-D DCT for 8 columns
+ __m128i i[8], s[8], p[8], t[8], u[16], v[16];
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+ const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_p08_m24 = pair_set_epi16(cospi_8_64, -cospi_24_64);
+ const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64);
+ const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
+ const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i k__cospi_p30_p02 = pair_set_epi16(cospi_30_64, cospi_2_64);
+ const __m128i k__cospi_p14_p18 = pair_set_epi16(cospi_14_64, cospi_18_64);
+ const __m128i k__cospi_m02_p30 = pair_set_epi16(-cospi_2_64, cospi_30_64);
+ const __m128i k__cospi_m18_p14 = pair_set_epi16(-cospi_18_64, cospi_14_64);
+ const __m128i k__cospi_p22_p10 = pair_set_epi16(cospi_22_64, cospi_10_64);
+ const __m128i k__cospi_p06_p26 = pair_set_epi16(cospi_6_64, cospi_26_64);
+ const __m128i k__cospi_m10_p22 = pair_set_epi16(-cospi_10_64, cospi_22_64);
+ const __m128i k__cospi_m26_p06 = pair_set_epi16(-cospi_26_64, cospi_6_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+
+ // stage 1
+ i[0] = _mm_add_epi16(in[0], in[15]);
+ i[1] = _mm_add_epi16(in[1], in[14]);
+ i[2] = _mm_add_epi16(in[2], in[13]);
+ i[3] = _mm_add_epi16(in[3], in[12]);
+ i[4] = _mm_add_epi16(in[4], in[11]);
+ i[5] = _mm_add_epi16(in[5], in[10]);
+ i[6] = _mm_add_epi16(in[6], in[9]);
+ i[7] = _mm_add_epi16(in[7], in[8]);
+
+ s[0] = _mm_sub_epi16(in[7], in[8]);
+ s[1] = _mm_sub_epi16(in[6], in[9]);
+ s[2] = _mm_sub_epi16(in[5], in[10]);
+ s[3] = _mm_sub_epi16(in[4], in[11]);
+ s[4] = _mm_sub_epi16(in[3], in[12]);
+ s[5] = _mm_sub_epi16(in[2], in[13]);
+ s[6] = _mm_sub_epi16(in[1], in[14]);
+ s[7] = _mm_sub_epi16(in[0], in[15]);
+
+ p[0] = _mm_add_epi16(i[0], i[7]);
+ p[1] = _mm_add_epi16(i[1], i[6]);
+ p[2] = _mm_add_epi16(i[2], i[5]);
+ p[3] = _mm_add_epi16(i[3], i[4]);
+ p[4] = _mm_sub_epi16(i[3], i[4]);
+ p[5] = _mm_sub_epi16(i[2], i[5]);
+ p[6] = _mm_sub_epi16(i[1], i[6]);
+ p[7] = _mm_sub_epi16(i[0], i[7]);
+
+ u[0] = _mm_add_epi16(p[0], p[3]);
+ u[1] = _mm_add_epi16(p[1], p[2]);
+ u[2] = _mm_sub_epi16(p[1], p[2]);
+ u[3] = _mm_sub_epi16(p[0], p[3]);
+
+ v[0] = _mm_unpacklo_epi16(u[0], u[1]);
+ v[1] = _mm_unpackhi_epi16(u[0], u[1]);
+ v[2] = _mm_unpacklo_epi16(u[2], u[3]);
+ v[3] = _mm_unpackhi_epi16(u[2], u[3]);
+
+ u[0] = _mm_madd_epi16(v[0], k__cospi_p16_p16);
+ u[1] = _mm_madd_epi16(v[1], k__cospi_p16_p16);
+ u[2] = _mm_madd_epi16(v[0], k__cospi_p16_m16);
+ u[3] = _mm_madd_epi16(v[1], k__cospi_p16_m16);
+ u[4] = _mm_madd_epi16(v[2], k__cospi_p24_p08);
+ u[5] = _mm_madd_epi16(v[3], k__cospi_p24_p08);
+ u[6] = _mm_madd_epi16(v[2], k__cospi_m08_p24);
+ u[7] = _mm_madd_epi16(v[3], k__cospi_m08_p24);
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
+ v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
+ v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+ v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+ u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
+ u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
+ u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
+ u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
+
+ in[0] = _mm_packs_epi32(u[0], u[1]);
+ in[4] = _mm_packs_epi32(u[4], u[5]);
+ in[8] = _mm_packs_epi32(u[2], u[3]);
+ in[12] = _mm_packs_epi32(u[6], u[7]);
+
+ u[0] = _mm_unpacklo_epi16(p[5], p[6]);
+ u[1] = _mm_unpackhi_epi16(p[5], p[6]);
+ v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+
+ u[0] = _mm_packs_epi32(v[0], v[1]);
+ u[1] = _mm_packs_epi32(v[2], v[3]);
+
+ t[0] = _mm_add_epi16(p[4], u[0]);
+ t[1] = _mm_sub_epi16(p[4], u[0]);
+ t[2] = _mm_sub_epi16(p[7], u[1]);
+ t[3] = _mm_add_epi16(p[7], u[1]);
+
+ u[0] = _mm_unpacklo_epi16(t[0], t[3]);
+ u[1] = _mm_unpackhi_epi16(t[0], t[3]);
+ u[2] = _mm_unpacklo_epi16(t[1], t[2]);
+ u[3] = _mm_unpackhi_epi16(t[1], t[2]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p28_p04);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p28_p04);
+ v[2] = _mm_madd_epi16(u[2], k__cospi_p12_p20);
+ v[3] = _mm_madd_epi16(u[3], k__cospi_p12_p20);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_m20_p12);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_m20_p12);
+ v[6] = _mm_madd_epi16(u[0], k__cospi_m04_p28);
+ v[7] = _mm_madd_epi16(u[1], k__cospi_m04_p28);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+
+ in[2] = _mm_packs_epi32(v[0], v[1]);
+ in[6] = _mm_packs_epi32(v[4], v[5]);
+ in[10] = _mm_packs_epi32(v[2], v[3]);
+ in[14] = _mm_packs_epi32(v[6], v[7]);
+
+ // stage 2
+ u[0] = _mm_unpacklo_epi16(s[2], s[5]);
+ u[1] = _mm_unpackhi_epi16(s[2], s[5]);
+ u[2] = _mm_unpacklo_epi16(s[3], s[4]);
+ u[3] = _mm_unpackhi_epi16(s[3], s[4]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
+ v[2] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
+ v[3] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
+ v[6] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
+ v[7] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+
+ t[2] = _mm_packs_epi32(v[0], v[1]);
+ t[3] = _mm_packs_epi32(v[2], v[3]);
+ t[4] = _mm_packs_epi32(v[4], v[5]);
+ t[5] = _mm_packs_epi32(v[6], v[7]);
+
+ // stage 3
+ p[0] = _mm_add_epi16(s[0], t[3]);
+ p[1] = _mm_add_epi16(s[1], t[2]);
+ p[2] = _mm_sub_epi16(s[1], t[2]);
+ p[3] = _mm_sub_epi16(s[0], t[3]);
+ p[4] = _mm_sub_epi16(s[7], t[4]);
+ p[5] = _mm_sub_epi16(s[6], t[5]);
+ p[6] = _mm_add_epi16(s[6], t[5]);
+ p[7] = _mm_add_epi16(s[7], t[4]);
+
+ // stage 4
+ u[0] = _mm_unpacklo_epi16(p[1], p[6]);
+ u[1] = _mm_unpackhi_epi16(p[1], p[6]);
+ u[2] = _mm_unpacklo_epi16(p[2], p[5]);
+ u[3] = _mm_unpackhi_epi16(p[2], p[5]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_m08_p24);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_m08_p24);
+ v[2] = _mm_madd_epi16(u[2], k__cospi_p24_p08);
+ v[3] = _mm_madd_epi16(u[3], k__cospi_p24_p08);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p08_m24);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p08_m24);
+ v[6] = _mm_madd_epi16(u[0], k__cospi_p24_p08);
+ v[7] = _mm_madd_epi16(u[1], k__cospi_p24_p08);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+
+ t[1] = _mm_packs_epi32(v[0], v[1]);
+ t[2] = _mm_packs_epi32(v[2], v[3]);
+ t[5] = _mm_packs_epi32(v[4], v[5]);
+ t[6] = _mm_packs_epi32(v[6], v[7]);
+
+ // stage 5
+ s[0] = _mm_add_epi16(p[0], t[1]);
+ s[1] = _mm_sub_epi16(p[0], t[1]);
+ s[2] = _mm_add_epi16(p[3], t[2]);
+ s[3] = _mm_sub_epi16(p[3], t[2]);
+ s[4] = _mm_sub_epi16(p[4], t[5]);
+ s[5] = _mm_add_epi16(p[4], t[5]);
+ s[6] = _mm_sub_epi16(p[7], t[6]);
+ s[7] = _mm_add_epi16(p[7], t[6]);
+
+ // stage 6
+ u[0] = _mm_unpacklo_epi16(s[0], s[7]);
+ u[1] = _mm_unpackhi_epi16(s[0], s[7]);
+ u[2] = _mm_unpacklo_epi16(s[1], s[6]);
+ u[3] = _mm_unpackhi_epi16(s[1], s[6]);
+ u[4] = _mm_unpacklo_epi16(s[2], s[5]);
+ u[5] = _mm_unpackhi_epi16(s[2], s[5]);
+ u[6] = _mm_unpacklo_epi16(s[3], s[4]);
+ u[7] = _mm_unpackhi_epi16(s[3], s[4]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p30_p02);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p30_p02);
+ v[2] = _mm_madd_epi16(u[2], k__cospi_p14_p18);
+ v[3] = _mm_madd_epi16(u[3], k__cospi_p14_p18);
+ v[4] = _mm_madd_epi16(u[4], k__cospi_p22_p10);
+ v[5] = _mm_madd_epi16(u[5], k__cospi_p22_p10);
+ v[6] = _mm_madd_epi16(u[6], k__cospi_p06_p26);
+ v[7] = _mm_madd_epi16(u[7], k__cospi_p06_p26);
+ v[8] = _mm_madd_epi16(u[6], k__cospi_m26_p06);
+ v[9] = _mm_madd_epi16(u[7], k__cospi_m26_p06);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_m10_p22);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_m10_p22);
+ v[12] = _mm_madd_epi16(u[2], k__cospi_m18_p14);
+ v[13] = _mm_madd_epi16(u[3], k__cospi_m18_p14);
+ v[14] = _mm_madd_epi16(u[0], k__cospi_m02_p30);
+ v[15] = _mm_madd_epi16(u[1], k__cospi_m02_p30);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+ u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
+ u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
+ u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
+ u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
+ u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
+ u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
+ u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
+ u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+ v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
+ v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
+ v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
+ v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
+ v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
+ v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
+ v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
+ v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
+
+ in[1] = _mm_packs_epi32(v[0], v[1]);
+ in[9] = _mm_packs_epi32(v[2], v[3]);
+ in[5] = _mm_packs_epi32(v[4], v[5]);
+ in[13] = _mm_packs_epi32(v[6], v[7]);
+ in[3] = _mm_packs_epi32(v[8], v[9]);
+ in[11] = _mm_packs_epi32(v[10], v[11]);
+ in[7] = _mm_packs_epi32(v[12], v[13]);
+ in[15] = _mm_packs_epi32(v[14], v[15]);
+}
+
+static void fadst16_8col(__m128i *in) {+ // perform 16x16 1-D ADST for 8 columns
+ __m128i s[16], x[16], u[32], v[32];
+ const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64);
+ const __m128i k__cospi_p31_m01 = pair_set_epi16(cospi_31_64, -cospi_1_64);
+ const __m128i k__cospi_p05_p27 = pair_set_epi16(cospi_5_64, cospi_27_64);
+ const __m128i k__cospi_p27_m05 = pair_set_epi16(cospi_27_64, -cospi_5_64);
+ const __m128i k__cospi_p09_p23 = pair_set_epi16(cospi_9_64, cospi_23_64);
+ const __m128i k__cospi_p23_m09 = pair_set_epi16(cospi_23_64, -cospi_9_64);
+ const __m128i k__cospi_p13_p19 = pair_set_epi16(cospi_13_64, cospi_19_64);
+ const __m128i k__cospi_p19_m13 = pair_set_epi16(cospi_19_64, -cospi_13_64);
+ const __m128i k__cospi_p17_p15 = pair_set_epi16(cospi_17_64, cospi_15_64);
+ const __m128i k__cospi_p15_m17 = pair_set_epi16(cospi_15_64, -cospi_17_64);
+ const __m128i k__cospi_p21_p11 = pair_set_epi16(cospi_21_64, cospi_11_64);
+ const __m128i k__cospi_p11_m21 = pair_set_epi16(cospi_11_64, -cospi_21_64);
+ const __m128i k__cospi_p25_p07 = pair_set_epi16(cospi_25_64, cospi_7_64);
+ const __m128i k__cospi_p07_m25 = pair_set_epi16(cospi_7_64, -cospi_25_64);
+ const __m128i k__cospi_p29_p03 = pair_set_epi16(cospi_29_64, cospi_3_64);
+ const __m128i k__cospi_p03_m29 = pair_set_epi16(cospi_3_64, -cospi_29_64);
+ const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
+ const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
+ const __m128i k__cospi_m28_p04 = pair_set_epi16(-cospi_28_64, cospi_4_64);
+ const __m128i k__cospi_m12_p20 = pair_set_epi16(-cospi_12_64, cospi_20_64);
+ const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_m16_m16 = _mm_set1_epi16((int16_t)-cospi_16_64);
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i kZero = _mm_set1_epi16(0);
+
+ u[0] = _mm_unpacklo_epi16(in[15], in[0]);
+ u[1] = _mm_unpackhi_epi16(in[15], in[0]);
+ u[2] = _mm_unpacklo_epi16(in[13], in[2]);
+ u[3] = _mm_unpackhi_epi16(in[13], in[2]);
+ u[4] = _mm_unpacklo_epi16(in[11], in[4]);
+ u[5] = _mm_unpackhi_epi16(in[11], in[4]);
+ u[6] = _mm_unpacklo_epi16(in[9], in[6]);
+ u[7] = _mm_unpackhi_epi16(in[9], in[6]);
+ u[8] = _mm_unpacklo_epi16(in[7], in[8]);
+ u[9] = _mm_unpackhi_epi16(in[7], in[8]);
+ u[10] = _mm_unpacklo_epi16(in[5], in[10]);
+ u[11] = _mm_unpackhi_epi16(in[5], in[10]);
+ u[12] = _mm_unpacklo_epi16(in[3], in[12]);
+ u[13] = _mm_unpackhi_epi16(in[3], in[12]);
+ u[14] = _mm_unpacklo_epi16(in[1], in[14]);
+ u[15] = _mm_unpackhi_epi16(in[1], in[14]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p01_p31);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p01_p31);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p31_m01);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p31_m01);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p05_p27);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p05_p27);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p27_m05);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p27_m05);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_p09_p23);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_p09_p23);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p23_m09);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p23_m09);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_p13_p19);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_p13_p19);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p19_m13);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p19_m13);
+ v[16] = _mm_madd_epi16(u[8], k__cospi_p17_p15);
+ v[17] = _mm_madd_epi16(u[9], k__cospi_p17_p15);
+ v[18] = _mm_madd_epi16(u[8], k__cospi_p15_m17);
+ v[19] = _mm_madd_epi16(u[9], k__cospi_p15_m17);
+ v[20] = _mm_madd_epi16(u[10], k__cospi_p21_p11);
+ v[21] = _mm_madd_epi16(u[11], k__cospi_p21_p11);
+ v[22] = _mm_madd_epi16(u[10], k__cospi_p11_m21);
+ v[23] = _mm_madd_epi16(u[11], k__cospi_p11_m21);
+ v[24] = _mm_madd_epi16(u[12], k__cospi_p25_p07);
+ v[25] = _mm_madd_epi16(u[13], k__cospi_p25_p07);
+ v[26] = _mm_madd_epi16(u[12], k__cospi_p07_m25);
+ v[27] = _mm_madd_epi16(u[13], k__cospi_p07_m25);
+ v[28] = _mm_madd_epi16(u[14], k__cospi_p29_p03);
+ v[29] = _mm_madd_epi16(u[15], k__cospi_p29_p03);
+ v[30] = _mm_madd_epi16(u[14], k__cospi_p03_m29);
+ v[31] = _mm_madd_epi16(u[15], k__cospi_p03_m29);
+
+ u[0] = _mm_add_epi32(v[0], v[16]);
+ u[1] = _mm_add_epi32(v[1], v[17]);
+ u[2] = _mm_add_epi32(v[2], v[18]);
+ u[3] = _mm_add_epi32(v[3], v[19]);
+ u[4] = _mm_add_epi32(v[4], v[20]);
+ u[5] = _mm_add_epi32(v[5], v[21]);
+ u[6] = _mm_add_epi32(v[6], v[22]);
+ u[7] = _mm_add_epi32(v[7], v[23]);
+ u[8] = _mm_add_epi32(v[8], v[24]);
+ u[9] = _mm_add_epi32(v[9], v[25]);
+ u[10] = _mm_add_epi32(v[10], v[26]);
+ u[11] = _mm_add_epi32(v[11], v[27]);
+ u[12] = _mm_add_epi32(v[12], v[28]);
+ u[13] = _mm_add_epi32(v[13], v[29]);
+ u[14] = _mm_add_epi32(v[14], v[30]);
+ u[15] = _mm_add_epi32(v[15], v[31]);
+ u[16] = _mm_sub_epi32(v[0], v[16]);
+ u[17] = _mm_sub_epi32(v[1], v[17]);
+ u[18] = _mm_sub_epi32(v[2], v[18]);
+ u[19] = _mm_sub_epi32(v[3], v[19]);
+ u[20] = _mm_sub_epi32(v[4], v[20]);
+ u[21] = _mm_sub_epi32(v[5], v[21]);
+ u[22] = _mm_sub_epi32(v[6], v[22]);
+ u[23] = _mm_sub_epi32(v[7], v[23]);
+ u[24] = _mm_sub_epi32(v[8], v[24]);
+ u[25] = _mm_sub_epi32(v[9], v[25]);
+ u[26] = _mm_sub_epi32(v[10], v[26]);
+ u[27] = _mm_sub_epi32(v[11], v[27]);
+ u[28] = _mm_sub_epi32(v[12], v[28]);
+ u[29] = _mm_sub_epi32(v[13], v[29]);
+ u[30] = _mm_sub_epi32(v[14], v[30]);
+ u[31] = _mm_sub_epi32(v[15], v[31]);
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
+ v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
+ v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+ v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
+ v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
+ v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
+ v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
+ v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
+ v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
+ v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
+ v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
+ v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
+ v[16] = _mm_add_epi32(u[16], k__DCT_CONST_ROUNDING);
+ v[17] = _mm_add_epi32(u[17], k__DCT_CONST_ROUNDING);
+ v[18] = _mm_add_epi32(u[18], k__DCT_CONST_ROUNDING);
+ v[19] = _mm_add_epi32(u[19], k__DCT_CONST_ROUNDING);
+ v[20] = _mm_add_epi32(u[20], k__DCT_CONST_ROUNDING);
+ v[21] = _mm_add_epi32(u[21], k__DCT_CONST_ROUNDING);
+ v[22] = _mm_add_epi32(u[22], k__DCT_CONST_ROUNDING);
+ v[23] = _mm_add_epi32(u[23], k__DCT_CONST_ROUNDING);
+ v[24] = _mm_add_epi32(u[24], k__DCT_CONST_ROUNDING);
+ v[25] = _mm_add_epi32(u[25], k__DCT_CONST_ROUNDING);
+ v[26] = _mm_add_epi32(u[26], k__DCT_CONST_ROUNDING);
+ v[27] = _mm_add_epi32(u[27], k__DCT_CONST_ROUNDING);
+ v[28] = _mm_add_epi32(u[28], k__DCT_CONST_ROUNDING);
+ v[29] = _mm_add_epi32(u[29], k__DCT_CONST_ROUNDING);
+ v[30] = _mm_add_epi32(u[30], k__DCT_CONST_ROUNDING);
+ v[31] = _mm_add_epi32(u[31], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+ u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
+ u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
+ u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
+ u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
+ u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
+ u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
+ u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
+ u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
+ u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
+ u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
+ u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
+ u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
+ u[16] = _mm_srai_epi32(v[16], DCT_CONST_BITS);
+ u[17] = _mm_srai_epi32(v[17], DCT_CONST_BITS);
+ u[18] = _mm_srai_epi32(v[18], DCT_CONST_BITS);
+ u[19] = _mm_srai_epi32(v[19], DCT_CONST_BITS);
+ u[20] = _mm_srai_epi32(v[20], DCT_CONST_BITS);
+ u[21] = _mm_srai_epi32(v[21], DCT_CONST_BITS);
+ u[22] = _mm_srai_epi32(v[22], DCT_CONST_BITS);
+ u[23] = _mm_srai_epi32(v[23], DCT_CONST_BITS);
+ u[24] = _mm_srai_epi32(v[24], DCT_CONST_BITS);
+ u[25] = _mm_srai_epi32(v[25], DCT_CONST_BITS);
+ u[26] = _mm_srai_epi32(v[26], DCT_CONST_BITS);
+ u[27] = _mm_srai_epi32(v[27], DCT_CONST_BITS);
+ u[28] = _mm_srai_epi32(v[28], DCT_CONST_BITS);
+ u[29] = _mm_srai_epi32(v[29], DCT_CONST_BITS);
+ u[30] = _mm_srai_epi32(v[30], DCT_CONST_BITS);
+ u[31] = _mm_srai_epi32(v[31], DCT_CONST_BITS);
+
+ s[0] = _mm_packs_epi32(u[0], u[1]);
+ s[1] = _mm_packs_epi32(u[2], u[3]);
+ s[2] = _mm_packs_epi32(u[4], u[5]);
+ s[3] = _mm_packs_epi32(u[6], u[7]);
+ s[4] = _mm_packs_epi32(u[8], u[9]);
+ s[5] = _mm_packs_epi32(u[10], u[11]);
+ s[6] = _mm_packs_epi32(u[12], u[13]);
+ s[7] = _mm_packs_epi32(u[14], u[15]);
+ s[8] = _mm_packs_epi32(u[16], u[17]);
+ s[9] = _mm_packs_epi32(u[18], u[19]);
+ s[10] = _mm_packs_epi32(u[20], u[21]);
+ s[11] = _mm_packs_epi32(u[22], u[23]);
+ s[12] = _mm_packs_epi32(u[24], u[25]);
+ s[13] = _mm_packs_epi32(u[26], u[27]);
+ s[14] = _mm_packs_epi32(u[28], u[29]);
+ s[15] = _mm_packs_epi32(u[30], u[31]);
+
+ // stage 2
+ u[0] = _mm_unpacklo_epi16(s[8], s[9]);
+ u[1] = _mm_unpackhi_epi16(s[8], s[9]);
+ u[2] = _mm_unpacklo_epi16(s[10], s[11]);
+ u[3] = _mm_unpackhi_epi16(s[10], s[11]);
+ u[4] = _mm_unpacklo_epi16(s[12], s[13]);
+ u[5] = _mm_unpackhi_epi16(s[12], s[13]);
+ u[6] = _mm_unpacklo_epi16(s[14], s[15]);
+ u[7] = _mm_unpackhi_epi16(s[14], s[15]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_m28_p04);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_m28_p04);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p04_p28);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p04_p28);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_m12_p20);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_m12_p20);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p20_p12);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p20_p12);
+
+ u[0] = _mm_add_epi32(v[0], v[8]);
+ u[1] = _mm_add_epi32(v[1], v[9]);
+ u[2] = _mm_add_epi32(v[2], v[10]);
+ u[3] = _mm_add_epi32(v[3], v[11]);
+ u[4] = _mm_add_epi32(v[4], v[12]);
+ u[5] = _mm_add_epi32(v[5], v[13]);
+ u[6] = _mm_add_epi32(v[6], v[14]);
+ u[7] = _mm_add_epi32(v[7], v[15]);
+ u[8] = _mm_sub_epi32(v[0], v[8]);
+ u[9] = _mm_sub_epi32(v[1], v[9]);
+ u[10] = _mm_sub_epi32(v[2], v[10]);
+ u[11] = _mm_sub_epi32(v[3], v[11]);
+ u[12] = _mm_sub_epi32(v[4], v[12]);
+ u[13] = _mm_sub_epi32(v[5], v[13]);
+ u[14] = _mm_sub_epi32(v[6], v[14]);
+ u[15] = _mm_sub_epi32(v[7], v[15]);
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
+ v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
+ v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+ v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
+ v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
+ v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
+ v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
+ v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
+ v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
+ v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
+ v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
+ v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+ u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
+ u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
+ u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
+ u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
+ u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
+ u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
+ u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
+ u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
+ u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
+ u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
+ u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
+ u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
+
+ x[0] = _mm_add_epi16(s[0], s[4]);
+ x[1] = _mm_add_epi16(s[1], s[5]);
+ x[2] = _mm_add_epi16(s[2], s[6]);
+ x[3] = _mm_add_epi16(s[3], s[7]);
+ x[4] = _mm_sub_epi16(s[0], s[4]);
+ x[5] = _mm_sub_epi16(s[1], s[5]);
+ x[6] = _mm_sub_epi16(s[2], s[6]);
+ x[7] = _mm_sub_epi16(s[3], s[7]);
+ x[8] = _mm_packs_epi32(u[0], u[1]);
+ x[9] = _mm_packs_epi32(u[2], u[3]);
+ x[10] = _mm_packs_epi32(u[4], u[5]);
+ x[11] = _mm_packs_epi32(u[6], u[7]);
+ x[12] = _mm_packs_epi32(u[8], u[9]);
+ x[13] = _mm_packs_epi32(u[10], u[11]);
+ x[14] = _mm_packs_epi32(u[12], u[13]);
+ x[15] = _mm_packs_epi32(u[14], u[15]);
+
+ // stage 3
+ u[0] = _mm_unpacklo_epi16(x[4], x[5]);
+ u[1] = _mm_unpackhi_epi16(x[4], x[5]);
+ u[2] = _mm_unpacklo_epi16(x[6], x[7]);
+ u[3] = _mm_unpackhi_epi16(x[6], x[7]);
+ u[4] = _mm_unpacklo_epi16(x[12], x[13]);
+ u[5] = _mm_unpackhi_epi16(x[12], x[13]);
+ u[6] = _mm_unpacklo_epi16(x[14], x[15]);
+ u[7] = _mm_unpackhi_epi16(x[14], x[15]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_p08_p24);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_p08_p24);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p24_m08);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p24_m08);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_m24_p08);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_m24_p08);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p08_p24);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p08_p24);
+
+ u[0] = _mm_add_epi32(v[0], v[4]);
+ u[1] = _mm_add_epi32(v[1], v[5]);
+ u[2] = _mm_add_epi32(v[2], v[6]);
+ u[3] = _mm_add_epi32(v[3], v[7]);
+ u[4] = _mm_sub_epi32(v[0], v[4]);
+ u[5] = _mm_sub_epi32(v[1], v[5]);
+ u[6] = _mm_sub_epi32(v[2], v[6]);
+ u[7] = _mm_sub_epi32(v[3], v[7]);
+ u[8] = _mm_add_epi32(v[8], v[12]);
+ u[9] = _mm_add_epi32(v[9], v[13]);
+ u[10] = _mm_add_epi32(v[10], v[14]);
+ u[11] = _mm_add_epi32(v[11], v[15]);
+ u[12] = _mm_sub_epi32(v[8], v[12]);
+ u[13] = _mm_sub_epi32(v[9], v[13]);
+ u[14] = _mm_sub_epi32(v[10], v[14]);
+ u[15] = _mm_sub_epi32(v[11], v[15]);
+
+ u[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
+ u[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
+ u[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
+ u[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
+ u[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
+ u[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
+ u[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
+ u[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
+ u[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+ v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
+ v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
+ v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
+ v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
+ v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
+ v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
+ v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
+ v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
+
+ s[0] = _mm_add_epi16(x[0], x[2]);
+ s[1] = _mm_add_epi16(x[1], x[3]);
+ s[2] = _mm_sub_epi16(x[0], x[2]);
+ s[3] = _mm_sub_epi16(x[1], x[3]);
+ s[4] = _mm_packs_epi32(v[0], v[1]);
+ s[5] = _mm_packs_epi32(v[2], v[3]);
+ s[6] = _mm_packs_epi32(v[4], v[5]);
+ s[7] = _mm_packs_epi32(v[6], v[7]);
+ s[8] = _mm_add_epi16(x[8], x[10]);
+ s[9] = _mm_add_epi16(x[9], x[11]);
+ s[10] = _mm_sub_epi16(x[8], x[10]);
+ s[11] = _mm_sub_epi16(x[9], x[11]);
+ s[12] = _mm_packs_epi32(v[8], v[9]);
+ s[13] = _mm_packs_epi32(v[10], v[11]);
+ s[14] = _mm_packs_epi32(v[12], v[13]);
+ s[15] = _mm_packs_epi32(v[14], v[15]);
+
+ // stage 4
+ u[0] = _mm_unpacklo_epi16(s[2], s[3]);
+ u[1] = _mm_unpackhi_epi16(s[2], s[3]);
+ u[2] = _mm_unpacklo_epi16(s[6], s[7]);
+ u[3] = _mm_unpackhi_epi16(s[6], s[7]);
+ u[4] = _mm_unpacklo_epi16(s[10], s[11]);
+ u[5] = _mm_unpackhi_epi16(s[10], s[11]);
+ u[6] = _mm_unpacklo_epi16(s[14], s[15]);
+ u[7] = _mm_unpackhi_epi16(s[14], s[15]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_m16_m16);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_m16_m16);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_p16_p16);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_p16_p16);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_m16_p16);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_m16_p16);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_m16_m16);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_m16_m16);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p16_m16);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p16_m16);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+ u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
+ u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
+ u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
+ u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
+ u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
+ u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
+ u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
+ u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+ v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
+ v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
+ v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
+ v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
+ v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
+ v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
+ v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
+ v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
+
+ in[0] = s[0];
+ in[1] = _mm_sub_epi16(kZero, s[8]);
+ in[2] = s[12];
+ in[3] = _mm_sub_epi16(kZero, s[4]);
+ in[4] = _mm_packs_epi32(v[4], v[5]);
+ in[5] = _mm_packs_epi32(v[12], v[13]);
+ in[6] = _mm_packs_epi32(v[8], v[9]);
+ in[7] = _mm_packs_epi32(v[0], v[1]);
+ in[8] = _mm_packs_epi32(v[2], v[3]);
+ in[9] = _mm_packs_epi32(v[10], v[11]);
+ in[10] = _mm_packs_epi32(v[14], v[15]);
+ in[11] = _mm_packs_epi32(v[6], v[7]);
+ in[12] = s[5];
+ in[13] = _mm_sub_epi16(kZero, s[13]);
+ in[14] = s[9];
+ in[15] = _mm_sub_epi16(kZero, s[1]);
+}
+
+static void fdct16_sse2(__m128i *in0, __m128i *in1) {+ fdct16_8col(in0);
+ fdct16_8col(in1);
+ array_transpose_16x16(in0, in1);
+}
+
+static void fadst16_sse2(__m128i *in0, __m128i *in1) {+ fadst16_8col(in0);
+ fadst16_8col(in1);
+ array_transpose_16x16(in0, in1);
+}
+
+void vp10_fht16x16_sse2(const int16_t *input, tran_low_t *output,
+ int stride, int tx_type) {+ __m128i in0[16], in1[16];
+
+ switch (tx_type) {+ case DCT_DCT:
+ vpx_fdct16x16_sse2(input, output, stride);
+ break;
+ case ADST_DCT:
+ load_buffer_16x16(input, in0, in1, stride);
+ fadst16_sse2(in0, in1);
+ right_shift_16x16(in0, in1);
+ fdct16_sse2(in0, in1);
+ write_buffer_16x16(output, in0, in1, 16);
+ break;
+ case DCT_ADST:
+ load_buffer_16x16(input, in0, in1, stride);
+ fdct16_sse2(in0, in1);
+ right_shift_16x16(in0, in1);
+ fadst16_sse2(in0, in1);
+ write_buffer_16x16(output, in0, in1, 16);
+ break;
+ case ADST_ADST:
+ load_buffer_16x16(input, in0, in1, stride);
+ fadst16_sse2(in0, in1);
+ right_shift_16x16(in0, in1);
+ fadst16_sse2(in0, in1);
+ write_buffer_16x16(output, in0, in1, 16);
+ break;
+ default:
+ assert(0);
+ break;
+ }
+}
--- a/vp10/encoder/x86/dct_mmx.asm
+++ /dev/null
@@ -1,104 +1,0 @@
-;
-; Copyright (c) 2014 The WebM project authors. All Rights Reserved.
-;
-; Use of this source code is governed by a BSD-style license
-; that can be found in the LICENSE file in the root of the source
-; tree. An additional intellectual property rights grant can be found
-; in the file PATENTS. All contributing project authors may
-; be found in the AUTHORS file in the root of the source tree.
-;
-
-%define private_prefix vp10
-
-%include "third_party/x86inc/x86inc.asm"
-
-SECTION .text
-
-%macro TRANSFORM_COLS 0
- paddw m0, m1
- movq m4, m0
- psubw m3, m2
- psubw m4, m3
- psraw m4, 1
- movq m5, m4
- psubw m5, m1 ;b1
- psubw m4, m2 ;c1
- psubw m0, m4
- paddw m3, m5
- ; m0 a0
- SWAP 1, 4 ; m1 c1
- SWAP 2, 3 ; m2 d1
- SWAP 3, 5 ; m3 b1
-%endmacro
-
-%macro TRANSPOSE_4X4 0
- movq m4, m0
- movq m5, m2
- punpcklwd m4, m1
- punpckhwd m0, m1
- punpcklwd m5, m3
- punpckhwd m2, m3
- movq m1, m4
- movq m3, m0
- punpckldq m1, m5
- punpckhdq m4, m5
- punpckldq m3, m2
- punpckhdq m0, m2
- SWAP 2, 3, 0, 1, 4
-%endmacro
-
-INIT_MMX mmx
-cglobal fwht4x4, 3, 4, 8, input, output, stride
- lea r3q, [inputq + strideq*4]
- movq m0, [inputq] ;a1
- movq m1, [inputq + strideq*2] ;b1
- movq m2, [r3q] ;c1
- movq m3, [r3q + strideq*2] ;d1
-
- TRANSFORM_COLS
- TRANSPOSE_4X4
- TRANSFORM_COLS
- TRANSPOSE_4X4
-
- psllw m0, 2
- psllw m1, 2
- psllw m2, 2
- psllw m3, 2
-
-%if CONFIG_VP9_HIGHBITDEPTH
- pxor m4, m4
- pxor m5, m5
- pcmpgtw m4, m0
- pcmpgtw m5, m1
- movq m6, m0
- movq m7, m1
- punpcklwd m0, m4
- punpcklwd m1, m5
- punpckhwd m6, m4
- punpckhwd m7, m5
- movq [outputq], m0
- movq [outputq + 8], m6
- movq [outputq + 16], m1
- movq [outputq + 24], m7
- pxor m4, m4
- pxor m5, m5
- pcmpgtw m4, m2
- pcmpgtw m5, m3
- movq m6, m2
- movq m7, m3
- punpcklwd m2, m4
- punpcklwd m3, m5
- punpckhwd m6, m4
- punpckhwd m7, m5
- movq [outputq + 32], m2
- movq [outputq + 40], m6
- movq [outputq + 48], m3
- movq [outputq + 56], m7
-%else
- movq [outputq], m0
- movq [outputq + 8], m1
- movq [outputq + 16], m2
- movq [outputq + 24], m3
-%endif
-
- RET
--- /dev/null
+++ b/vp10/encoder/x86/dct_sse2.asm
@@ -1,0 +1,86 @@
+;
+; Copyright (c) 2016 The WebM project authors. All Rights Reserved.
+;
+; Use of this source code is governed by a BSD-style license
+; that can be found in the LICENSE file in the root of the source
+; tree. An additional intellectual property rights grant can be found
+; in the file PATENTS. All contributing project authors may
+; be found in the AUTHORS file in the root of the source tree.
+;
+
+%define private_prefix vp10
+
+%include "third_party/x86inc/x86inc.asm"
+
+SECTION .text
+
+%macro TRANSFORM_COLS 0
+ paddw m0, m1
+ movq m4, m0
+ psubw m3, m2
+ psubw m4, m3
+ psraw m4, 1
+ movq m5, m4
+ psubw m5, m1 ;b1
+ psubw m4, m2 ;c1
+ psubw m0, m4
+ paddw m3, m5
+ ; m0 a0
+ SWAP 1, 4 ; m1 c1
+ SWAP 2, 3 ; m2 d1
+ SWAP 3, 5 ; m3 b1
+%endmacro
+
+%macro TRANSPOSE_4X4 0
+ ; 00 01 02 03
+ ; 10 11 12 13
+ ; 20 21 22 23
+ ; 30 31 32 33
+ punpcklwd m0, m1 ; 00 10 01 11 02 12 03 13
+ punpcklwd m2, m3 ; 20 30 21 31 22 32 23 33
+ mova m1, m0
+ punpckldq m0, m2 ; 00 10 20 30 01 11 21 31
+ punpckhdq m1, m2 ; 02 12 22 32 03 13 23 33
+%endmacro
+
+INIT_XMM sse2
+cglobal fwht4x4, 3, 4, 8, input, output, stride
+ lea r3q, [inputq + strideq*4]
+ movq m0, [inputq] ;a1
+ movq m1, [inputq + strideq*2] ;b1
+ movq m2, [r3q] ;c1
+ movq m3, [r3q + strideq*2] ;d1
+
+ TRANSFORM_COLS
+ TRANSPOSE_4X4
+ SWAP 1, 2
+ psrldq m1, m0, 8
+ psrldq m3, m2, 8
+ TRANSFORM_COLS
+ TRANSPOSE_4X4
+
+ psllw m0, 2
+ psllw m1, 2
+
+%if CONFIG_VP9_HIGHBITDEPTH
+ ; sign extension
+ mova m2, m0
+ mova m3, m1
+ punpcklwd m0, m0
+ punpcklwd m1, m1
+ punpckhwd m2, m2
+ punpckhwd m3, m3
+ psrad m0, 16
+ psrad m1, 16
+ psrad m2, 16
+ psrad m3, 16
+ mova [outputq], m0
+ mova [outputq + 16], m2
+ mova [outputq + 32], m1
+ mova [outputq + 48], m3
+%else
+ mova [outputq], m0
+ mova [outputq + 16], m1
+%endif
+
+ RET
--- a/vp10/encoder/x86/dct_sse2.c
+++ /dev/null
@@ -1,2058 +1,0 @@
-/*
- * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-#include <assert.h>
-#include <emmintrin.h> // SSE2
-
-#include "./vp10_rtcd.h"
-#include "./vpx_dsp_rtcd.h"
-#include "vpx_dsp/txfm_common.h"
-#include "vpx_dsp/x86/fwd_txfm_sse2.h"
-#include "vpx_dsp/x86/txfm_common_sse2.h"
-#include "vpx_ports/mem.h"
-
-static INLINE void load_buffer_4x4(const int16_t *input, __m128i *in,
- int stride) {- const __m128i k__nonzero_bias_a = _mm_setr_epi16(0, 1, 1, 1, 1, 1, 1, 1);
- const __m128i k__nonzero_bias_b = _mm_setr_epi16(1, 0, 0, 0, 0, 0, 0, 0);
- __m128i mask;
-
- in[0] = _mm_loadl_epi64((const __m128i *)(input + 0 * stride));
- in[1] = _mm_loadl_epi64((const __m128i *)(input + 1 * stride));
- in[2] = _mm_loadl_epi64((const __m128i *)(input + 2 * stride));
- in[3] = _mm_loadl_epi64((const __m128i *)(input + 3 * stride));
-
- in[0] = _mm_slli_epi16(in[0], 4);
- in[1] = _mm_slli_epi16(in[1], 4);
- in[2] = _mm_slli_epi16(in[2], 4);
- in[3] = _mm_slli_epi16(in[3], 4);
-
- mask = _mm_cmpeq_epi16(in[0], k__nonzero_bias_a);
- in[0] = _mm_add_epi16(in[0], mask);
- in[0] = _mm_add_epi16(in[0], k__nonzero_bias_b);
-}
-
-static INLINE void write_buffer_4x4(tran_low_t *output, __m128i *res) {- const __m128i kOne = _mm_set1_epi16(1);
- __m128i in01 = _mm_unpacklo_epi64(res[0], res[1]);
- __m128i in23 = _mm_unpacklo_epi64(res[2], res[3]);
- __m128i out01 = _mm_add_epi16(in01, kOne);
- __m128i out23 = _mm_add_epi16(in23, kOne);
- out01 = _mm_srai_epi16(out01, 2);
- out23 = _mm_srai_epi16(out23, 2);
- store_output(&out01, (output + 0 * 8));
- store_output(&out23, (output + 1 * 8));
-}
-
-static INLINE void transpose_4x4(__m128i *res) {- // Combine and transpose
- // 00 01 02 03 20 21 22 23
- // 10 11 12 13 30 31 32 33
- const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]);
- const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]);
-
- // 00 10 01 11 02 12 03 13
- // 20 30 21 31 22 32 23 33
- res[0] = _mm_unpacklo_epi32(tr0_0, tr0_1);
- res[2] = _mm_unpackhi_epi32(tr0_0, tr0_1);
-
- // 00 10 20 30 01 11 21 31
- // 02 12 22 32 03 13 23 33
- // only use the first 4 16-bit integers
- res[1] = _mm_unpackhi_epi64(res[0], res[0]);
- res[3] = _mm_unpackhi_epi64(res[2], res[2]);
-}
-
-static void fdct4_sse2(__m128i *in) {- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
-
- __m128i u[4], v[4];
- u[0]=_mm_unpacklo_epi16(in[0], in[1]);
- u[1]=_mm_unpacklo_epi16(in[3], in[2]);
-
- v[0] = _mm_add_epi16(u[0], u[1]);
- v[1] = _mm_sub_epi16(u[0], u[1]);
-
- u[0] = _mm_madd_epi16(v[0], k__cospi_p16_p16); // 0
- u[1] = _mm_madd_epi16(v[0], k__cospi_p16_m16); // 2
- u[2] = _mm_madd_epi16(v[1], k__cospi_p08_p24); // 1
- u[3] = _mm_madd_epi16(v[1], k__cospi_p24_m08); // 3
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
-
- in[0] = _mm_packs_epi32(u[0], u[1]);
- in[1] = _mm_packs_epi32(u[2], u[3]);
- transpose_4x4(in);
-}
-
-static void fadst4_sse2(__m128i *in) {- const __m128i k__sinpi_p01_p02 = pair_set_epi16(sinpi_1_9, sinpi_2_9);
- const __m128i k__sinpi_p04_m01 = pair_set_epi16(sinpi_4_9, -sinpi_1_9);
- const __m128i k__sinpi_p03_p04 = pair_set_epi16(sinpi_3_9, sinpi_4_9);
- const __m128i k__sinpi_m03_p02 = pair_set_epi16(-sinpi_3_9, sinpi_2_9);
- const __m128i k__sinpi_p03_p03 = _mm_set1_epi16((int16_t)sinpi_3_9);
- const __m128i kZero = _mm_set1_epi16(0);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
- __m128i u[8], v[8];
- __m128i in7 = _mm_add_epi16(in[0], in[1]);
-
- u[0] = _mm_unpacklo_epi16(in[0], in[1]);
- u[1] = _mm_unpacklo_epi16(in[2], in[3]);
- u[2] = _mm_unpacklo_epi16(in7, kZero);
- u[3] = _mm_unpacklo_epi16(in[2], kZero);
- u[4] = _mm_unpacklo_epi16(in[3], kZero);
-
- v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p02); // s0 + s2
- v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p04); // s4 + s5
- v[2] = _mm_madd_epi16(u[2], k__sinpi_p03_p03); // x1
- v[3] = _mm_madd_epi16(u[0], k__sinpi_p04_m01); // s1 - s3
- v[4] = _mm_madd_epi16(u[1], k__sinpi_m03_p02); // -s4 + s6
- v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s4
- v[6] = _mm_madd_epi16(u[4], k__sinpi_p03_p03);
-
- u[0] = _mm_add_epi32(v[0], v[1]);
- u[1] = _mm_sub_epi32(v[2], v[6]);
- u[2] = _mm_add_epi32(v[3], v[4]);
- u[3] = _mm_sub_epi32(u[2], u[0]);
- u[4] = _mm_slli_epi32(v[5], 2);
- u[5] = _mm_sub_epi32(u[4], v[5]);
- u[6] = _mm_add_epi32(u[3], u[5]);
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
-
- in[0] = _mm_packs_epi32(u[0], u[2]);
- in[1] = _mm_packs_epi32(u[1], u[3]);
- transpose_4x4(in);
-}
-
-void vp10_fht4x4_sse2(const int16_t *input, tran_low_t *output,
- int stride, int tx_type) {- __m128i in[4];
-
- switch (tx_type) {- case DCT_DCT:
- vpx_fdct4x4_sse2(input, output, stride);
- break;
- case ADST_DCT:
- load_buffer_4x4(input, in, stride);
- fadst4_sse2(in);
- fdct4_sse2(in);
- write_buffer_4x4(output, in);
- break;
- case DCT_ADST:
- load_buffer_4x4(input, in, stride);
- fdct4_sse2(in);
- fadst4_sse2(in);
- write_buffer_4x4(output, in);
- break;
- case ADST_ADST:
- load_buffer_4x4(input, in, stride);
- fadst4_sse2(in);
- fadst4_sse2(in);
- write_buffer_4x4(output, in);
- break;
- default:
- assert(0);
- break;
- }
-}
-
-void vp10_fdct8x8_quant_sse2(const int16_t *input, int stride,
- int16_t* coeff_ptr, intptr_t n_coeffs,
- int skip_block, const int16_t* zbin_ptr,
- const int16_t* round_ptr, const int16_t* quant_ptr,
- const int16_t* quant_shift_ptr, int16_t* qcoeff_ptr,
- int16_t* dqcoeff_ptr, const int16_t* dequant_ptr,
- uint16_t* eob_ptr,
- const int16_t* scan_ptr,
- const int16_t* iscan_ptr) {- __m128i zero;
- int pass;
- // Constants
- // When we use them, in one case, they are all the same. In all others
- // it's a pair of them that we need to repeat four times. This is done
- // by constructing the 32 bit constant corresponding to that pair.
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64);
- const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
- const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
- // Load input
- __m128i in0 = _mm_load_si128((const __m128i *)(input + 0 * stride));
- __m128i in1 = _mm_load_si128((const __m128i *)(input + 1 * stride));
- __m128i in2 = _mm_load_si128((const __m128i *)(input + 2 * stride));
- __m128i in3 = _mm_load_si128((const __m128i *)(input + 3 * stride));
- __m128i in4 = _mm_load_si128((const __m128i *)(input + 4 * stride));
- __m128i in5 = _mm_load_si128((const __m128i *)(input + 5 * stride));
- __m128i in6 = _mm_load_si128((const __m128i *)(input + 6 * stride));
- __m128i in7 = _mm_load_si128((const __m128i *)(input + 7 * stride));
- __m128i *in[8];
- int index = 0;
-
- (void)scan_ptr;
- (void)zbin_ptr;
- (void)quant_shift_ptr;
- (void)coeff_ptr;
-
- // Pre-condition input (shift by two)
- in0 = _mm_slli_epi16(in0, 2);
- in1 = _mm_slli_epi16(in1, 2);
- in2 = _mm_slli_epi16(in2, 2);
- in3 = _mm_slli_epi16(in3, 2);
- in4 = _mm_slli_epi16(in4, 2);
- in5 = _mm_slli_epi16(in5, 2);
- in6 = _mm_slli_epi16(in6, 2);
- in7 = _mm_slli_epi16(in7, 2);
-
- in[0] = &in0;
- in[1] = &in1;
- in[2] = &in2;
- in[3] = &in3;
- in[4] = &in4;
- in[5] = &in5;
- in[6] = &in6;
- in[7] = &in7;
-
- // We do two passes, first the columns, then the rows. The results of the
- // first pass are transposed so that the same column code can be reused. The
- // results of the second pass are also transposed so that the rows (processed
- // as columns) are put back in row positions.
- for (pass = 0; pass < 2; pass++) {- // To store results of each pass before the transpose.
- __m128i res0, res1, res2, res3, res4, res5, res6, res7;
- // Add/subtract
- const __m128i q0 = _mm_add_epi16(in0, in7);
- const __m128i q1 = _mm_add_epi16(in1, in6);
- const __m128i q2 = _mm_add_epi16(in2, in5);
- const __m128i q3 = _mm_add_epi16(in3, in4);
- const __m128i q4 = _mm_sub_epi16(in3, in4);
- const __m128i q5 = _mm_sub_epi16(in2, in5);
- const __m128i q6 = _mm_sub_epi16(in1, in6);
- const __m128i q7 = _mm_sub_epi16(in0, in7);
- // Work on first four results
- {- // Add/subtract
- const __m128i r0 = _mm_add_epi16(q0, q3);
- const __m128i r1 = _mm_add_epi16(q1, q2);
- const __m128i r2 = _mm_sub_epi16(q1, q2);
- const __m128i r3 = _mm_sub_epi16(q0, q3);
- // Interleave to do the multiply by constants which gets us into 32bits
- const __m128i t0 = _mm_unpacklo_epi16(r0, r1);
- const __m128i t1 = _mm_unpackhi_epi16(r0, r1);
- const __m128i t2 = _mm_unpacklo_epi16(r2, r3);
- const __m128i t3 = _mm_unpackhi_epi16(r2, r3);
- const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p16_p16);
- const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p16_p16);
- const __m128i u2 = _mm_madd_epi16(t0, k__cospi_p16_m16);
- const __m128i u3 = _mm_madd_epi16(t1, k__cospi_p16_m16);
- const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p24_p08);
- const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p24_p08);
- const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m08_p24);
- const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m08_p24);
- // dct_const_round_shift
- const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING);
- const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING);
- const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING);
- const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING);
- const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING);
- const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING);
- const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING);
- const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING);
- const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
- const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
- const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
- const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
- const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
- const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
- const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
- const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
- // Combine
- res0 = _mm_packs_epi32(w0, w1);
- res4 = _mm_packs_epi32(w2, w3);
- res2 = _mm_packs_epi32(w4, w5);
- res6 = _mm_packs_epi32(w6, w7);
- }
- // Work on next four results
- {- // Interleave to do the multiply by constants which gets us into 32bits
- const __m128i d0 = _mm_unpacklo_epi16(q6, q5);
- const __m128i d1 = _mm_unpackhi_epi16(q6, q5);
- const __m128i e0 = _mm_madd_epi16(d0, k__cospi_p16_m16);
- const __m128i e1 = _mm_madd_epi16(d1, k__cospi_p16_m16);
- const __m128i e2 = _mm_madd_epi16(d0, k__cospi_p16_p16);
- const __m128i e3 = _mm_madd_epi16(d1, k__cospi_p16_p16);
- // dct_const_round_shift
- const __m128i f0 = _mm_add_epi32(e0, k__DCT_CONST_ROUNDING);
- const __m128i f1 = _mm_add_epi32(e1, k__DCT_CONST_ROUNDING);
- const __m128i f2 = _mm_add_epi32(e2, k__DCT_CONST_ROUNDING);
- const __m128i f3 = _mm_add_epi32(e3, k__DCT_CONST_ROUNDING);
- const __m128i s0 = _mm_srai_epi32(f0, DCT_CONST_BITS);
- const __m128i s1 = _mm_srai_epi32(f1, DCT_CONST_BITS);
- const __m128i s2 = _mm_srai_epi32(f2, DCT_CONST_BITS);
- const __m128i s3 = _mm_srai_epi32(f3, DCT_CONST_BITS);
- // Combine
- const __m128i r0 = _mm_packs_epi32(s0, s1);
- const __m128i r1 = _mm_packs_epi32(s2, s3);
- // Add/subtract
- const __m128i x0 = _mm_add_epi16(q4, r0);
- const __m128i x1 = _mm_sub_epi16(q4, r0);
- const __m128i x2 = _mm_sub_epi16(q7, r1);
- const __m128i x3 = _mm_add_epi16(q7, r1);
- // Interleave to do the multiply by constants which gets us into 32bits
- const __m128i t0 = _mm_unpacklo_epi16(x0, x3);
- const __m128i t1 = _mm_unpackhi_epi16(x0, x3);
- const __m128i t2 = _mm_unpacklo_epi16(x1, x2);
- const __m128i t3 = _mm_unpackhi_epi16(x1, x2);
- const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p28_p04);
- const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p28_p04);
- const __m128i u2 = _mm_madd_epi16(t0, k__cospi_m04_p28);
- const __m128i u3 = _mm_madd_epi16(t1, k__cospi_m04_p28);
- const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p12_p20);
- const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p12_p20);
- const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m20_p12);
- const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m20_p12);
- // dct_const_round_shift
- const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING);
- const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING);
- const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING);
- const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING);
- const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING);
- const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING);
- const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING);
- const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING);
- const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
- const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
- const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
- const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
- const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
- const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
- const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
- const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
- // Combine
- res1 = _mm_packs_epi32(w0, w1);
- res7 = _mm_packs_epi32(w2, w3);
- res5 = _mm_packs_epi32(w4, w5);
- res3 = _mm_packs_epi32(w6, w7);
- }
- // Transpose the 8x8.
- {- // 00 01 02 03 04 05 06 07
- // 10 11 12 13 14 15 16 17
- // 20 21 22 23 24 25 26 27
- // 30 31 32 33 34 35 36 37
- // 40 41 42 43 44 45 46 47
- // 50 51 52 53 54 55 56 57
- // 60 61 62 63 64 65 66 67
- // 70 71 72 73 74 75 76 77
- const __m128i tr0_0 = _mm_unpacklo_epi16(res0, res1);
- const __m128i tr0_1 = _mm_unpacklo_epi16(res2, res3);
- const __m128i tr0_2 = _mm_unpackhi_epi16(res0, res1);
- const __m128i tr0_3 = _mm_unpackhi_epi16(res2, res3);
- const __m128i tr0_4 = _mm_unpacklo_epi16(res4, res5);
- const __m128i tr0_5 = _mm_unpacklo_epi16(res6, res7);
- const __m128i tr0_6 = _mm_unpackhi_epi16(res4, res5);
- const __m128i tr0_7 = _mm_unpackhi_epi16(res6, res7);
- // 00 10 01 11 02 12 03 13
- // 20 30 21 31 22 32 23 33
- // 04 14 05 15 06 16 07 17
- // 24 34 25 35 26 36 27 37
- // 40 50 41 51 42 52 43 53
- // 60 70 61 71 62 72 63 73
- // 54 54 55 55 56 56 57 57
- // 64 74 65 75 66 76 67 77
- const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
- const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3);
- const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
- const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3);
- const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5);
- const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7);
- const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5);
- const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7);
- // 00 10 20 30 01 11 21 31
- // 40 50 60 70 41 51 61 71
- // 02 12 22 32 03 13 23 33
- // 42 52 62 72 43 53 63 73
- // 04 14 24 34 05 15 21 36
- // 44 54 64 74 45 55 61 76
- // 06 16 26 36 07 17 27 37
- // 46 56 66 76 47 57 67 77
- in0 = _mm_unpacklo_epi64(tr1_0, tr1_4);
- in1 = _mm_unpackhi_epi64(tr1_0, tr1_4);
- in2 = _mm_unpacklo_epi64(tr1_2, tr1_6);
- in3 = _mm_unpackhi_epi64(tr1_2, tr1_6);
- in4 = _mm_unpacklo_epi64(tr1_1, tr1_5);
- in5 = _mm_unpackhi_epi64(tr1_1, tr1_5);
- in6 = _mm_unpacklo_epi64(tr1_3, tr1_7);
- in7 = _mm_unpackhi_epi64(tr1_3, tr1_7);
- // 00 10 20 30 40 50 60 70
- // 01 11 21 31 41 51 61 71
- // 02 12 22 32 42 52 62 72
- // 03 13 23 33 43 53 63 73
- // 04 14 24 34 44 54 64 74
- // 05 15 25 35 45 55 65 75
- // 06 16 26 36 46 56 66 76
- // 07 17 27 37 47 57 67 77
- }
- }
- // Post-condition output and store it
- {- // Post-condition (division by two)
- // division of two 16 bits signed numbers using shifts
- // n / 2 = (n - (n >> 15)) >> 1
- const __m128i sign_in0 = _mm_srai_epi16(in0, 15);
- const __m128i sign_in1 = _mm_srai_epi16(in1, 15);
- const __m128i sign_in2 = _mm_srai_epi16(in2, 15);
- const __m128i sign_in3 = _mm_srai_epi16(in3, 15);
- const __m128i sign_in4 = _mm_srai_epi16(in4, 15);
- const __m128i sign_in5 = _mm_srai_epi16(in5, 15);
- const __m128i sign_in6 = _mm_srai_epi16(in6, 15);
- const __m128i sign_in7 = _mm_srai_epi16(in7, 15);
- in0 = _mm_sub_epi16(in0, sign_in0);
- in1 = _mm_sub_epi16(in1, sign_in1);
- in2 = _mm_sub_epi16(in2, sign_in2);
- in3 = _mm_sub_epi16(in3, sign_in3);
- in4 = _mm_sub_epi16(in4, sign_in4);
- in5 = _mm_sub_epi16(in5, sign_in5);
- in6 = _mm_sub_epi16(in6, sign_in6);
- in7 = _mm_sub_epi16(in7, sign_in7);
- in0 = _mm_srai_epi16(in0, 1);
- in1 = _mm_srai_epi16(in1, 1);
- in2 = _mm_srai_epi16(in2, 1);
- in3 = _mm_srai_epi16(in3, 1);
- in4 = _mm_srai_epi16(in4, 1);
- in5 = _mm_srai_epi16(in5, 1);
- in6 = _mm_srai_epi16(in6, 1);
- in7 = _mm_srai_epi16(in7, 1);
- }
-
- iscan_ptr += n_coeffs;
- qcoeff_ptr += n_coeffs;
- dqcoeff_ptr += n_coeffs;
- n_coeffs = -n_coeffs;
- zero = _mm_setzero_si128();
-
- if (!skip_block) {- __m128i eob;
- __m128i round, quant, dequant;
- {- __m128i coeff0, coeff1;
-
- // Setup global values
- {- round = _mm_load_si128((const __m128i*)round_ptr);
- quant = _mm_load_si128((const __m128i*)quant_ptr);
- dequant = _mm_load_si128((const __m128i*)dequant_ptr);
- }
-
- {- __m128i coeff0_sign, coeff1_sign;
- __m128i qcoeff0, qcoeff1;
- __m128i qtmp0, qtmp1;
- // Do DC and first 15 AC
- coeff0 = *in[0];
- coeff1 = *in[1];
-
- // Poor man's sign extract
- coeff0_sign = _mm_srai_epi16(coeff0, 15);
- coeff1_sign = _mm_srai_epi16(coeff1, 15);
- qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
- qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
- qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
-
- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
- round = _mm_unpackhi_epi64(round, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
- quant = _mm_unpackhi_epi64(quant, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- // Reinsert signs
- qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign);
- qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign);
- qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
-
- _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0);
- _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1);
-
- coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
- dequant = _mm_unpackhi_epi64(dequant, dequant);
- coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
-
- _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0);
- _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1);
- }
-
- {- // Scan for eob
- __m128i zero_coeff0, zero_coeff1;
- __m128i nzero_coeff0, nzero_coeff1;
- __m128i iscan0, iscan1;
- __m128i eob1;
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero);
- nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs));
- iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1);
- // Add one to convert from indices to counts
- iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0);
- iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1);
- eob = _mm_and_si128(iscan0, nzero_coeff0);
- eob1 = _mm_and_si128(iscan1, nzero_coeff1);
- eob = _mm_max_epi16(eob, eob1);
- }
- n_coeffs += 8 * 2;
- }
-
- // AC only loop
- index = 2;
- while (n_coeffs < 0) {- __m128i coeff0, coeff1;
- {- __m128i coeff0_sign, coeff1_sign;
- __m128i qcoeff0, qcoeff1;
- __m128i qtmp0, qtmp1;
-
- assert(index < (int)(sizeof(in) / sizeof(in[0])) - 1);
- coeff0 = *in[index];
- coeff1 = *in[index + 1];
-
- // Poor man's sign extract
- coeff0_sign = _mm_srai_epi16(coeff0, 15);
- coeff1_sign = _mm_srai_epi16(coeff1, 15);
- qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
- qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
- qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
-
- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- // Reinsert signs
- qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign);
- qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign);
- qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
-
- _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0);
- _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1);
-
- coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
- coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
-
- _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0);
- _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1);
- }
-
- {- // Scan for eob
- __m128i zero_coeff0, zero_coeff1;
- __m128i nzero_coeff0, nzero_coeff1;
- __m128i iscan0, iscan1;
- __m128i eob0, eob1;
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero);
- nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs));
- iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1);
- // Add one to convert from indices to counts
- iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0);
- iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1);
- eob0 = _mm_and_si128(iscan0, nzero_coeff0);
- eob1 = _mm_and_si128(iscan1, nzero_coeff1);
- eob0 = _mm_max_epi16(eob0, eob1);
- eob = _mm_max_epi16(eob, eob0);
- }
- n_coeffs += 8 * 2;
- index += 2;
- }
-
- // Accumulate EOB
- {- __m128i eob_shuffled;
- eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
- eob = _mm_max_epi16(eob, eob_shuffled);
- *eob_ptr = _mm_extract_epi16(eob, 1);
- }
- } else {- do {- _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), zero);
- _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, zero);
- _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), zero);
- _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, zero);
- n_coeffs += 8 * 2;
- } while (n_coeffs < 0);
- *eob_ptr = 0;
- }
-}
-
-// load 8x8 array
-static INLINE void load_buffer_8x8(const int16_t *input, __m128i *in,
- int stride) {- in[0] = _mm_load_si128((const __m128i *)(input + 0 * stride));
- in[1] = _mm_load_si128((const __m128i *)(input + 1 * stride));
- in[2] = _mm_load_si128((const __m128i *)(input + 2 * stride));
- in[3] = _mm_load_si128((const __m128i *)(input + 3 * stride));
- in[4] = _mm_load_si128((const __m128i *)(input + 4 * stride));
- in[5] = _mm_load_si128((const __m128i *)(input + 5 * stride));
- in[6] = _mm_load_si128((const __m128i *)(input + 6 * stride));
- in[7] = _mm_load_si128((const __m128i *)(input + 7 * stride));
-
- in[0] = _mm_slli_epi16(in[0], 2);
- in[1] = _mm_slli_epi16(in[1], 2);
- in[2] = _mm_slli_epi16(in[2], 2);
- in[3] = _mm_slli_epi16(in[3], 2);
- in[4] = _mm_slli_epi16(in[4], 2);
- in[5] = _mm_slli_epi16(in[5], 2);
- in[6] = _mm_slli_epi16(in[6], 2);
- in[7] = _mm_slli_epi16(in[7], 2);
-}
-
-// right shift and rounding
-static INLINE void right_shift_8x8(__m128i *res, const int bit) {- __m128i sign0 = _mm_srai_epi16(res[0], 15);
- __m128i sign1 = _mm_srai_epi16(res[1], 15);
- __m128i sign2 = _mm_srai_epi16(res[2], 15);
- __m128i sign3 = _mm_srai_epi16(res[3], 15);
- __m128i sign4 = _mm_srai_epi16(res[4], 15);
- __m128i sign5 = _mm_srai_epi16(res[5], 15);
- __m128i sign6 = _mm_srai_epi16(res[6], 15);
- __m128i sign7 = _mm_srai_epi16(res[7], 15);
-
- if (bit == 2) {- const __m128i const_rounding = _mm_set1_epi16(1);
- res[0] = _mm_add_epi16(res[0], const_rounding);
- res[1] = _mm_add_epi16(res[1], const_rounding);
- res[2] = _mm_add_epi16(res[2], const_rounding);
- res[3] = _mm_add_epi16(res[3], const_rounding);
- res[4] = _mm_add_epi16(res[4], const_rounding);
- res[5] = _mm_add_epi16(res[5], const_rounding);
- res[6] = _mm_add_epi16(res[6], const_rounding);
- res[7] = _mm_add_epi16(res[7], const_rounding);
- }
-
- res[0] = _mm_sub_epi16(res[0], sign0);
- res[1] = _mm_sub_epi16(res[1], sign1);
- res[2] = _mm_sub_epi16(res[2], sign2);
- res[3] = _mm_sub_epi16(res[3], sign3);
- res[4] = _mm_sub_epi16(res[4], sign4);
- res[5] = _mm_sub_epi16(res[5], sign5);
- res[6] = _mm_sub_epi16(res[6], sign6);
- res[7] = _mm_sub_epi16(res[7], sign7);
-
- if (bit == 1) {- res[0] = _mm_srai_epi16(res[0], 1);
- res[1] = _mm_srai_epi16(res[1], 1);
- res[2] = _mm_srai_epi16(res[2], 1);
- res[3] = _mm_srai_epi16(res[3], 1);
- res[4] = _mm_srai_epi16(res[4], 1);
- res[5] = _mm_srai_epi16(res[5], 1);
- res[6] = _mm_srai_epi16(res[6], 1);
- res[7] = _mm_srai_epi16(res[7], 1);
- } else {- res[0] = _mm_srai_epi16(res[0], 2);
- res[1] = _mm_srai_epi16(res[1], 2);
- res[2] = _mm_srai_epi16(res[2], 2);
- res[3] = _mm_srai_epi16(res[3], 2);
- res[4] = _mm_srai_epi16(res[4], 2);
- res[5] = _mm_srai_epi16(res[5], 2);
- res[6] = _mm_srai_epi16(res[6], 2);
- res[7] = _mm_srai_epi16(res[7], 2);
- }
-}
-
-// write 8x8 array
-static INLINE void write_buffer_8x8(tran_low_t *output, __m128i *res,
- int stride) {- store_output(&res[0], (output + 0 * stride));
- store_output(&res[1], (output + 1 * stride));
- store_output(&res[2], (output + 2 * stride));
- store_output(&res[3], (output + 3 * stride));
- store_output(&res[4], (output + 4 * stride));
- store_output(&res[5], (output + 5 * stride));
- store_output(&res[6], (output + 6 * stride));
- store_output(&res[7], (output + 7 * stride));
-}
-
-// perform in-place transpose
-static INLINE void array_transpose_8x8(__m128i *in, __m128i *res) {- const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]);
- const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]);
- const __m128i tr0_2 = _mm_unpackhi_epi16(in[0], in[1]);
- const __m128i tr0_3 = _mm_unpackhi_epi16(in[2], in[3]);
- const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]);
- const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]);
- const __m128i tr0_6 = _mm_unpackhi_epi16(in[4], in[5]);
- const __m128i tr0_7 = _mm_unpackhi_epi16(in[6], in[7]);
- // 00 10 01 11 02 12 03 13
- // 20 30 21 31 22 32 23 33
- // 04 14 05 15 06 16 07 17
- // 24 34 25 35 26 36 27 37
- // 40 50 41 51 42 52 43 53
- // 60 70 61 71 62 72 63 73
- // 44 54 45 55 46 56 47 57
- // 64 74 65 75 66 76 67 77
- const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
- const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_4, tr0_5);
- const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
- const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_4, tr0_5);
- const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_2, tr0_3);
- const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7);
- const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_2, tr0_3);
- const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7);
- // 00 10 20 30 01 11 21 31
- // 40 50 60 70 41 51 61 71
- // 02 12 22 32 03 13 23 33
- // 42 52 62 72 43 53 63 73
- // 04 14 24 34 05 15 25 35
- // 44 54 64 74 45 55 65 75
- // 06 16 26 36 07 17 27 37
- // 46 56 66 76 47 57 67 77
- res[0] = _mm_unpacklo_epi64(tr1_0, tr1_1);
- res[1] = _mm_unpackhi_epi64(tr1_0, tr1_1);
- res[2] = _mm_unpacklo_epi64(tr1_2, tr1_3);
- res[3] = _mm_unpackhi_epi64(tr1_2, tr1_3);
- res[4] = _mm_unpacklo_epi64(tr1_4, tr1_5);
- res[5] = _mm_unpackhi_epi64(tr1_4, tr1_5);
- res[6] = _mm_unpacklo_epi64(tr1_6, tr1_7);
- res[7] = _mm_unpackhi_epi64(tr1_6, tr1_7);
- // 00 10 20 30 40 50 60 70
- // 01 11 21 31 41 51 61 71
- // 02 12 22 32 42 52 62 72
- // 03 13 23 33 43 53 63 73
- // 04 14 24 34 44 54 64 74
- // 05 15 25 35 45 55 65 75
- // 06 16 26 36 46 56 66 76
- // 07 17 27 37 47 57 67 77
-}
-
-static void fdct8_sse2(__m128i *in) {- // constants
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64);
- const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
- const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
- __m128i u0, u1, u2, u3, u4, u5, u6, u7;
- __m128i v0, v1, v2, v3, v4, v5, v6, v7;
- __m128i s0, s1, s2, s3, s4, s5, s6, s7;
-
- // stage 1
- s0 = _mm_add_epi16(in[0], in[7]);
- s1 = _mm_add_epi16(in[1], in[6]);
- s2 = _mm_add_epi16(in[2], in[5]);
- s3 = _mm_add_epi16(in[3], in[4]);
- s4 = _mm_sub_epi16(in[3], in[4]);
- s5 = _mm_sub_epi16(in[2], in[5]);
- s6 = _mm_sub_epi16(in[1], in[6]);
- s7 = _mm_sub_epi16(in[0], in[7]);
-
- u0 = _mm_add_epi16(s0, s3);
- u1 = _mm_add_epi16(s1, s2);
- u2 = _mm_sub_epi16(s1, s2);
- u3 = _mm_sub_epi16(s0, s3);
- // interleave and perform butterfly multiplication/addition
- v0 = _mm_unpacklo_epi16(u0, u1);
- v1 = _mm_unpackhi_epi16(u0, u1);
- v2 = _mm_unpacklo_epi16(u2, u3);
- v3 = _mm_unpackhi_epi16(u2, u3);
-
- u0 = _mm_madd_epi16(v0, k__cospi_p16_p16);
- u1 = _mm_madd_epi16(v1, k__cospi_p16_p16);
- u2 = _mm_madd_epi16(v0, k__cospi_p16_m16);
- u3 = _mm_madd_epi16(v1, k__cospi_p16_m16);
- u4 = _mm_madd_epi16(v2, k__cospi_p24_p08);
- u5 = _mm_madd_epi16(v3, k__cospi_p24_p08);
- u6 = _mm_madd_epi16(v2, k__cospi_m08_p24);
- u7 = _mm_madd_epi16(v3, k__cospi_m08_p24);
-
- // shift and rounding
- v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING);
- v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING);
- v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING);
- v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING);
- v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING);
- v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING);
- v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING);
- v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING);
-
- u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
- u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
- u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
- u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
- u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
- u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
- u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
- u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
-
- in[0] = _mm_packs_epi32(u0, u1);
- in[2] = _mm_packs_epi32(u4, u5);
- in[4] = _mm_packs_epi32(u2, u3);
- in[6] = _mm_packs_epi32(u6, u7);
-
- // stage 2
- // interleave and perform butterfly multiplication/addition
- u0 = _mm_unpacklo_epi16(s6, s5);
- u1 = _mm_unpackhi_epi16(s6, s5);
- v0 = _mm_madd_epi16(u0, k__cospi_p16_m16);
- v1 = _mm_madd_epi16(u1, k__cospi_p16_m16);
- v2 = _mm_madd_epi16(u0, k__cospi_p16_p16);
- v3 = _mm_madd_epi16(u1, k__cospi_p16_p16);
-
- // shift and rounding
- u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
- u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
- u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
- u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
-
- v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
- v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
- v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
- v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
-
- u0 = _mm_packs_epi32(v0, v1);
- u1 = _mm_packs_epi32(v2, v3);
-
- // stage 3
- s0 = _mm_add_epi16(s4, u0);
- s1 = _mm_sub_epi16(s4, u0);
- s2 = _mm_sub_epi16(s7, u1);
- s3 = _mm_add_epi16(s7, u1);
-
- // stage 4
- u0 = _mm_unpacklo_epi16(s0, s3);
- u1 = _mm_unpackhi_epi16(s0, s3);
- u2 = _mm_unpacklo_epi16(s1, s2);
- u3 = _mm_unpackhi_epi16(s1, s2);
-
- v0 = _mm_madd_epi16(u0, k__cospi_p28_p04);
- v1 = _mm_madd_epi16(u1, k__cospi_p28_p04);
- v2 = _mm_madd_epi16(u2, k__cospi_p12_p20);
- v3 = _mm_madd_epi16(u3, k__cospi_p12_p20);
- v4 = _mm_madd_epi16(u2, k__cospi_m20_p12);
- v5 = _mm_madd_epi16(u3, k__cospi_m20_p12);
- v6 = _mm_madd_epi16(u0, k__cospi_m04_p28);
- v7 = _mm_madd_epi16(u1, k__cospi_m04_p28);
-
- // shift and rounding
- u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
- u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
- u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
- u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
- u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING);
- u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING);
- u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING);
- u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING);
-
- v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
- v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
- v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
- v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
- v4 = _mm_srai_epi32(u4, DCT_CONST_BITS);
- v5 = _mm_srai_epi32(u5, DCT_CONST_BITS);
- v6 = _mm_srai_epi32(u6, DCT_CONST_BITS);
- v7 = _mm_srai_epi32(u7, DCT_CONST_BITS);
-
- in[1] = _mm_packs_epi32(v0, v1);
- in[3] = _mm_packs_epi32(v4, v5);
- in[5] = _mm_packs_epi32(v2, v3);
- in[7] = _mm_packs_epi32(v6, v7);
-
- // transpose
- array_transpose_8x8(in, in);
-}
-
-static void fadst8_sse2(__m128i *in) {- // Constants
- const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
- const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
- const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
- const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
- const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
- const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
- const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
- const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
- const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__const_0 = _mm_set1_epi16(0);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
-
- __m128i u0, u1, u2, u3, u4, u5, u6, u7, u8, u9, u10, u11, u12, u13, u14, u15;
- __m128i v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15;
- __m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
- __m128i s0, s1, s2, s3, s4, s5, s6, s7;
- __m128i in0, in1, in2, in3, in4, in5, in6, in7;
-
- // properly aligned for butterfly input
- in0 = in[7];
- in1 = in[0];
- in2 = in[5];
- in3 = in[2];
- in4 = in[3];
- in5 = in[4];
- in6 = in[1];
- in7 = in[6];
-
- // column transformation
- // stage 1
- // interleave and multiply/add into 32-bit integer
- s0 = _mm_unpacklo_epi16(in0, in1);
- s1 = _mm_unpackhi_epi16(in0, in1);
- s2 = _mm_unpacklo_epi16(in2, in3);
- s3 = _mm_unpackhi_epi16(in2, in3);
- s4 = _mm_unpacklo_epi16(in4, in5);
- s5 = _mm_unpackhi_epi16(in4, in5);
- s6 = _mm_unpacklo_epi16(in6, in7);
- s7 = _mm_unpackhi_epi16(in6, in7);
-
- u0 = _mm_madd_epi16(s0, k__cospi_p02_p30);
- u1 = _mm_madd_epi16(s1, k__cospi_p02_p30);
- u2 = _mm_madd_epi16(s0, k__cospi_p30_m02);
- u3 = _mm_madd_epi16(s1, k__cospi_p30_m02);
- u4 = _mm_madd_epi16(s2, k__cospi_p10_p22);
- u5 = _mm_madd_epi16(s3, k__cospi_p10_p22);
- u6 = _mm_madd_epi16(s2, k__cospi_p22_m10);
- u7 = _mm_madd_epi16(s3, k__cospi_p22_m10);
- u8 = _mm_madd_epi16(s4, k__cospi_p18_p14);
- u9 = _mm_madd_epi16(s5, k__cospi_p18_p14);
- u10 = _mm_madd_epi16(s4, k__cospi_p14_m18);
- u11 = _mm_madd_epi16(s5, k__cospi_p14_m18);
- u12 = _mm_madd_epi16(s6, k__cospi_p26_p06);
- u13 = _mm_madd_epi16(s7, k__cospi_p26_p06);
- u14 = _mm_madd_epi16(s6, k__cospi_p06_m26);
- u15 = _mm_madd_epi16(s7, k__cospi_p06_m26);
-
- // addition
- w0 = _mm_add_epi32(u0, u8);
- w1 = _mm_add_epi32(u1, u9);
- w2 = _mm_add_epi32(u2, u10);
- w3 = _mm_add_epi32(u3, u11);
- w4 = _mm_add_epi32(u4, u12);
- w5 = _mm_add_epi32(u5, u13);
- w6 = _mm_add_epi32(u6, u14);
- w7 = _mm_add_epi32(u7, u15);
- w8 = _mm_sub_epi32(u0, u8);
- w9 = _mm_sub_epi32(u1, u9);
- w10 = _mm_sub_epi32(u2, u10);
- w11 = _mm_sub_epi32(u3, u11);
- w12 = _mm_sub_epi32(u4, u12);
- w13 = _mm_sub_epi32(u5, u13);
- w14 = _mm_sub_epi32(u6, u14);
- w15 = _mm_sub_epi32(u7, u15);
-
- // shift and rounding
- v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
- v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
- v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
- v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
- v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
- v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
- v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
- v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
- v8 = _mm_add_epi32(w8, k__DCT_CONST_ROUNDING);
- v9 = _mm_add_epi32(w9, k__DCT_CONST_ROUNDING);
- v10 = _mm_add_epi32(w10, k__DCT_CONST_ROUNDING);
- v11 = _mm_add_epi32(w11, k__DCT_CONST_ROUNDING);
- v12 = _mm_add_epi32(w12, k__DCT_CONST_ROUNDING);
- v13 = _mm_add_epi32(w13, k__DCT_CONST_ROUNDING);
- v14 = _mm_add_epi32(w14, k__DCT_CONST_ROUNDING);
- v15 = _mm_add_epi32(w15, k__DCT_CONST_ROUNDING);
-
- u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
- u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
- u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
- u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
- u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
- u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
- u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
- u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
- u8 = _mm_srai_epi32(v8, DCT_CONST_BITS);
- u9 = _mm_srai_epi32(v9, DCT_CONST_BITS);
- u10 = _mm_srai_epi32(v10, DCT_CONST_BITS);
- u11 = _mm_srai_epi32(v11, DCT_CONST_BITS);
- u12 = _mm_srai_epi32(v12, DCT_CONST_BITS);
- u13 = _mm_srai_epi32(v13, DCT_CONST_BITS);
- u14 = _mm_srai_epi32(v14, DCT_CONST_BITS);
- u15 = _mm_srai_epi32(v15, DCT_CONST_BITS);
-
- // back to 16-bit and pack 8 integers into __m128i
- in[0] = _mm_packs_epi32(u0, u1);
- in[1] = _mm_packs_epi32(u2, u3);
- in[2] = _mm_packs_epi32(u4, u5);
- in[3] = _mm_packs_epi32(u6, u7);
- in[4] = _mm_packs_epi32(u8, u9);
- in[5] = _mm_packs_epi32(u10, u11);
- in[6] = _mm_packs_epi32(u12, u13);
- in[7] = _mm_packs_epi32(u14, u15);
-
- // stage 2
- s0 = _mm_add_epi16(in[0], in[2]);
- s1 = _mm_add_epi16(in[1], in[3]);
- s2 = _mm_sub_epi16(in[0], in[2]);
- s3 = _mm_sub_epi16(in[1], in[3]);
- u0 = _mm_unpacklo_epi16(in[4], in[5]);
- u1 = _mm_unpackhi_epi16(in[4], in[5]);
- u2 = _mm_unpacklo_epi16(in[6], in[7]);
- u3 = _mm_unpackhi_epi16(in[6], in[7]);
-
- v0 = _mm_madd_epi16(u0, k__cospi_p08_p24);
- v1 = _mm_madd_epi16(u1, k__cospi_p08_p24);
- v2 = _mm_madd_epi16(u0, k__cospi_p24_m08);
- v3 = _mm_madd_epi16(u1, k__cospi_p24_m08);
- v4 = _mm_madd_epi16(u2, k__cospi_m24_p08);
- v5 = _mm_madd_epi16(u3, k__cospi_m24_p08);
- v6 = _mm_madd_epi16(u2, k__cospi_p08_p24);
- v7 = _mm_madd_epi16(u3, k__cospi_p08_p24);
-
- w0 = _mm_add_epi32(v0, v4);
- w1 = _mm_add_epi32(v1, v5);
- w2 = _mm_add_epi32(v2, v6);
- w3 = _mm_add_epi32(v3, v7);
- w4 = _mm_sub_epi32(v0, v4);
- w5 = _mm_sub_epi32(v1, v5);
- w6 = _mm_sub_epi32(v2, v6);
- w7 = _mm_sub_epi32(v3, v7);
-
- v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
- v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
- v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
- v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
- v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
- v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
- v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
- v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
-
- u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
- u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
- u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
- u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
- u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
- u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
- u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
- u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
-
- // back to 16-bit intergers
- s4 = _mm_packs_epi32(u0, u1);
- s5 = _mm_packs_epi32(u2, u3);
- s6 = _mm_packs_epi32(u4, u5);
- s7 = _mm_packs_epi32(u6, u7);
-
- // stage 3
- u0 = _mm_unpacklo_epi16(s2, s3);
- u1 = _mm_unpackhi_epi16(s2, s3);
- u2 = _mm_unpacklo_epi16(s6, s7);
- u3 = _mm_unpackhi_epi16(s6, s7);
-
- v0 = _mm_madd_epi16(u0, k__cospi_p16_p16);
- v1 = _mm_madd_epi16(u1, k__cospi_p16_p16);
- v2 = _mm_madd_epi16(u0, k__cospi_p16_m16);
- v3 = _mm_madd_epi16(u1, k__cospi_p16_m16);
- v4 = _mm_madd_epi16(u2, k__cospi_p16_p16);
- v5 = _mm_madd_epi16(u3, k__cospi_p16_p16);
- v6 = _mm_madd_epi16(u2, k__cospi_p16_m16);
- v7 = _mm_madd_epi16(u3, k__cospi_p16_m16);
-
- u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
- u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
- u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
- u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
- u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING);
- u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING);
- u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING);
- u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING);
-
- v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
- v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
- v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
- v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
- v4 = _mm_srai_epi32(u4, DCT_CONST_BITS);
- v5 = _mm_srai_epi32(u5, DCT_CONST_BITS);
- v6 = _mm_srai_epi32(u6, DCT_CONST_BITS);
- v7 = _mm_srai_epi32(u7, DCT_CONST_BITS);
-
- s2 = _mm_packs_epi32(v0, v1);
- s3 = _mm_packs_epi32(v2, v3);
- s6 = _mm_packs_epi32(v4, v5);
- s7 = _mm_packs_epi32(v6, v7);
-
- // FIXME(jingning): do subtract using bit inversion?
- in[0] = s0;
- in[1] = _mm_sub_epi16(k__const_0, s4);
- in[2] = s6;
- in[3] = _mm_sub_epi16(k__const_0, s2);
- in[4] = s3;
- in[5] = _mm_sub_epi16(k__const_0, s7);
- in[6] = s5;
- in[7] = _mm_sub_epi16(k__const_0, s1);
-
- // transpose
- array_transpose_8x8(in, in);
-}
-
-void vp10_fht8x8_sse2(const int16_t *input, tran_low_t *output,
- int stride, int tx_type) {- __m128i in[8];
-
- switch (tx_type) {- case DCT_DCT:
- vpx_fdct8x8_sse2(input, output, stride);
- break;
- case ADST_DCT:
- load_buffer_8x8(input, in, stride);
- fadst8_sse2(in);
- fdct8_sse2(in);
- right_shift_8x8(in, 1);
- write_buffer_8x8(output, in, 8);
- break;
- case DCT_ADST:
- load_buffer_8x8(input, in, stride);
- fdct8_sse2(in);
- fadst8_sse2(in);
- right_shift_8x8(in, 1);
- write_buffer_8x8(output, in, 8);
- break;
- case ADST_ADST:
- load_buffer_8x8(input, in, stride);
- fadst8_sse2(in);
- fadst8_sse2(in);
- right_shift_8x8(in, 1);
- write_buffer_8x8(output, in, 8);
- break;
- default:
- assert(0);
- break;
- }
-}
-
-static INLINE void load_buffer_16x16(const int16_t* input, __m128i *in0,
- __m128i *in1, int stride) {- // load first 8 columns
- load_buffer_8x8(input, in0, stride);
- load_buffer_8x8(input + 8 * stride, in0 + 8, stride);
-
- input += 8;
- // load second 8 columns
- load_buffer_8x8(input, in1, stride);
- load_buffer_8x8(input + 8 * stride, in1 + 8, stride);
-}
-
-static INLINE void write_buffer_16x16(tran_low_t *output, __m128i *in0,
- __m128i *in1, int stride) {- // write first 8 columns
- write_buffer_8x8(output, in0, stride);
- write_buffer_8x8(output + 8 * stride, in0 + 8, stride);
- // write second 8 columns
- output += 8;
- write_buffer_8x8(output, in1, stride);
- write_buffer_8x8(output + 8 * stride, in1 + 8, stride);
-}
-
-static INLINE void array_transpose_16x16(__m128i *res0, __m128i *res1) {- __m128i tbuf[8];
- array_transpose_8x8(res0, res0);
- array_transpose_8x8(res1, tbuf);
- array_transpose_8x8(res0 + 8, res1);
- array_transpose_8x8(res1 + 8, res1 + 8);
-
- res0[8] = tbuf[0];
- res0[9] = tbuf[1];
- res0[10] = tbuf[2];
- res0[11] = tbuf[3];
- res0[12] = tbuf[4];
- res0[13] = tbuf[5];
- res0[14] = tbuf[6];
- res0[15] = tbuf[7];
-}
-
-static INLINE void right_shift_16x16(__m128i *res0, __m128i *res1) {- // perform rounding operations
- right_shift_8x8(res0, 2);
- right_shift_8x8(res0 + 8, 2);
- right_shift_8x8(res1, 2);
- right_shift_8x8(res1 + 8, 2);
-}
-
-static void fdct16_8col(__m128i *in) {- // perform 16x16 1-D DCT for 8 columns
- __m128i i[8], s[8], p[8], t[8], u[16], v[16];
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
- const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i k__cospi_p08_m24 = pair_set_epi16(cospi_8_64, -cospi_24_64);
- const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64);
- const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
- const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i k__cospi_p30_p02 = pair_set_epi16(cospi_30_64, cospi_2_64);
- const __m128i k__cospi_p14_p18 = pair_set_epi16(cospi_14_64, cospi_18_64);
- const __m128i k__cospi_m02_p30 = pair_set_epi16(-cospi_2_64, cospi_30_64);
- const __m128i k__cospi_m18_p14 = pair_set_epi16(-cospi_18_64, cospi_14_64);
- const __m128i k__cospi_p22_p10 = pair_set_epi16(cospi_22_64, cospi_10_64);
- const __m128i k__cospi_p06_p26 = pair_set_epi16(cospi_6_64, cospi_26_64);
- const __m128i k__cospi_m10_p22 = pair_set_epi16(-cospi_10_64, cospi_22_64);
- const __m128i k__cospi_m26_p06 = pair_set_epi16(-cospi_26_64, cospi_6_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
-
- // stage 1
- i[0] = _mm_add_epi16(in[0], in[15]);
- i[1] = _mm_add_epi16(in[1], in[14]);
- i[2] = _mm_add_epi16(in[2], in[13]);
- i[3] = _mm_add_epi16(in[3], in[12]);
- i[4] = _mm_add_epi16(in[4], in[11]);
- i[5] = _mm_add_epi16(in[5], in[10]);
- i[6] = _mm_add_epi16(in[6], in[9]);
- i[7] = _mm_add_epi16(in[7], in[8]);
-
- s[0] = _mm_sub_epi16(in[7], in[8]);
- s[1] = _mm_sub_epi16(in[6], in[9]);
- s[2] = _mm_sub_epi16(in[5], in[10]);
- s[3] = _mm_sub_epi16(in[4], in[11]);
- s[4] = _mm_sub_epi16(in[3], in[12]);
- s[5] = _mm_sub_epi16(in[2], in[13]);
- s[6] = _mm_sub_epi16(in[1], in[14]);
- s[7] = _mm_sub_epi16(in[0], in[15]);
-
- p[0] = _mm_add_epi16(i[0], i[7]);
- p[1] = _mm_add_epi16(i[1], i[6]);
- p[2] = _mm_add_epi16(i[2], i[5]);
- p[3] = _mm_add_epi16(i[3], i[4]);
- p[4] = _mm_sub_epi16(i[3], i[4]);
- p[5] = _mm_sub_epi16(i[2], i[5]);
- p[6] = _mm_sub_epi16(i[1], i[6]);
- p[7] = _mm_sub_epi16(i[0], i[7]);
-
- u[0] = _mm_add_epi16(p[0], p[3]);
- u[1] = _mm_add_epi16(p[1], p[2]);
- u[2] = _mm_sub_epi16(p[1], p[2]);
- u[3] = _mm_sub_epi16(p[0], p[3]);
-
- v[0] = _mm_unpacklo_epi16(u[0], u[1]);
- v[1] = _mm_unpackhi_epi16(u[0], u[1]);
- v[2] = _mm_unpacklo_epi16(u[2], u[3]);
- v[3] = _mm_unpackhi_epi16(u[2], u[3]);
-
- u[0] = _mm_madd_epi16(v[0], k__cospi_p16_p16);
- u[1] = _mm_madd_epi16(v[1], k__cospi_p16_p16);
- u[2] = _mm_madd_epi16(v[0], k__cospi_p16_m16);
- u[3] = _mm_madd_epi16(v[1], k__cospi_p16_m16);
- u[4] = _mm_madd_epi16(v[2], k__cospi_p24_p08);
- u[5] = _mm_madd_epi16(v[3], k__cospi_p24_p08);
- u[6] = _mm_madd_epi16(v[2], k__cospi_m08_p24);
- u[7] = _mm_madd_epi16(v[3], k__cospi_m08_p24);
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
- v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
- v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
- v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
- u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
- u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
- u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
- u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
-
- in[0] = _mm_packs_epi32(u[0], u[1]);
- in[4] = _mm_packs_epi32(u[4], u[5]);
- in[8] = _mm_packs_epi32(u[2], u[3]);
- in[12] = _mm_packs_epi32(u[6], u[7]);
-
- u[0] = _mm_unpacklo_epi16(p[5], p[6]);
- u[1] = _mm_unpackhi_epi16(p[5], p[6]);
- v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
- v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
-
- u[0] = _mm_packs_epi32(v[0], v[1]);
- u[1] = _mm_packs_epi32(v[2], v[3]);
-
- t[0] = _mm_add_epi16(p[4], u[0]);
- t[1] = _mm_sub_epi16(p[4], u[0]);
- t[2] = _mm_sub_epi16(p[7], u[1]);
- t[3] = _mm_add_epi16(p[7], u[1]);
-
- u[0] = _mm_unpacklo_epi16(t[0], t[3]);
- u[1] = _mm_unpackhi_epi16(t[0], t[3]);
- u[2] = _mm_unpacklo_epi16(t[1], t[2]);
- u[3] = _mm_unpackhi_epi16(t[1], t[2]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p28_p04);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p28_p04);
- v[2] = _mm_madd_epi16(u[2], k__cospi_p12_p20);
- v[3] = _mm_madd_epi16(u[3], k__cospi_p12_p20);
- v[4] = _mm_madd_epi16(u[2], k__cospi_m20_p12);
- v[5] = _mm_madd_epi16(u[3], k__cospi_m20_p12);
- v[6] = _mm_madd_epi16(u[0], k__cospi_m04_p28);
- v[7] = _mm_madd_epi16(u[1], k__cospi_m04_p28);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
-
- in[2] = _mm_packs_epi32(v[0], v[1]);
- in[6] = _mm_packs_epi32(v[4], v[5]);
- in[10] = _mm_packs_epi32(v[2], v[3]);
- in[14] = _mm_packs_epi32(v[6], v[7]);
-
- // stage 2
- u[0] = _mm_unpacklo_epi16(s[2], s[5]);
- u[1] = _mm_unpackhi_epi16(s[2], s[5]);
- u[2] = _mm_unpacklo_epi16(s[3], s[4]);
- u[3] = _mm_unpackhi_epi16(s[3], s[4]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
- v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
- v[2] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
- v[3] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
- v[6] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
- v[7] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
-
- t[2] = _mm_packs_epi32(v[0], v[1]);
- t[3] = _mm_packs_epi32(v[2], v[3]);
- t[4] = _mm_packs_epi32(v[4], v[5]);
- t[5] = _mm_packs_epi32(v[6], v[7]);
-
- // stage 3
- p[0] = _mm_add_epi16(s[0], t[3]);
- p[1] = _mm_add_epi16(s[1], t[2]);
- p[2] = _mm_sub_epi16(s[1], t[2]);
- p[3] = _mm_sub_epi16(s[0], t[3]);
- p[4] = _mm_sub_epi16(s[7], t[4]);
- p[5] = _mm_sub_epi16(s[6], t[5]);
- p[6] = _mm_add_epi16(s[6], t[5]);
- p[7] = _mm_add_epi16(s[7], t[4]);
-
- // stage 4
- u[0] = _mm_unpacklo_epi16(p[1], p[6]);
- u[1] = _mm_unpackhi_epi16(p[1], p[6]);
- u[2] = _mm_unpacklo_epi16(p[2], p[5]);
- u[3] = _mm_unpackhi_epi16(p[2], p[5]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_m08_p24);
- v[1] = _mm_madd_epi16(u[1], k__cospi_m08_p24);
- v[2] = _mm_madd_epi16(u[2], k__cospi_p24_p08);
- v[3] = _mm_madd_epi16(u[3], k__cospi_p24_p08);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p08_m24);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p08_m24);
- v[6] = _mm_madd_epi16(u[0], k__cospi_p24_p08);
- v[7] = _mm_madd_epi16(u[1], k__cospi_p24_p08);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
-
- t[1] = _mm_packs_epi32(v[0], v[1]);
- t[2] = _mm_packs_epi32(v[2], v[3]);
- t[5] = _mm_packs_epi32(v[4], v[5]);
- t[6] = _mm_packs_epi32(v[6], v[7]);
-
- // stage 5
- s[0] = _mm_add_epi16(p[0], t[1]);
- s[1] = _mm_sub_epi16(p[0], t[1]);
- s[2] = _mm_add_epi16(p[3], t[2]);
- s[3] = _mm_sub_epi16(p[3], t[2]);
- s[4] = _mm_sub_epi16(p[4], t[5]);
- s[5] = _mm_add_epi16(p[4], t[5]);
- s[6] = _mm_sub_epi16(p[7], t[6]);
- s[7] = _mm_add_epi16(p[7], t[6]);
-
- // stage 6
- u[0] = _mm_unpacklo_epi16(s[0], s[7]);
- u[1] = _mm_unpackhi_epi16(s[0], s[7]);
- u[2] = _mm_unpacklo_epi16(s[1], s[6]);
- u[3] = _mm_unpackhi_epi16(s[1], s[6]);
- u[4] = _mm_unpacklo_epi16(s[2], s[5]);
- u[5] = _mm_unpackhi_epi16(s[2], s[5]);
- u[6] = _mm_unpacklo_epi16(s[3], s[4]);
- u[7] = _mm_unpackhi_epi16(s[3], s[4]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p30_p02);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p30_p02);
- v[2] = _mm_madd_epi16(u[2], k__cospi_p14_p18);
- v[3] = _mm_madd_epi16(u[3], k__cospi_p14_p18);
- v[4] = _mm_madd_epi16(u[4], k__cospi_p22_p10);
- v[5] = _mm_madd_epi16(u[5], k__cospi_p22_p10);
- v[6] = _mm_madd_epi16(u[6], k__cospi_p06_p26);
- v[7] = _mm_madd_epi16(u[7], k__cospi_p06_p26);
- v[8] = _mm_madd_epi16(u[6], k__cospi_m26_p06);
- v[9] = _mm_madd_epi16(u[7], k__cospi_m26_p06);
- v[10] = _mm_madd_epi16(u[4], k__cospi_m10_p22);
- v[11] = _mm_madd_epi16(u[5], k__cospi_m10_p22);
- v[12] = _mm_madd_epi16(u[2], k__cospi_m18_p14);
- v[13] = _mm_madd_epi16(u[3], k__cospi_m18_p14);
- v[14] = _mm_madd_epi16(u[0], k__cospi_m02_p30);
- v[15] = _mm_madd_epi16(u[1], k__cospi_m02_p30);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
- u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
- u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
- u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
- u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
- u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
- u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
- u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
- u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
- v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
- v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
- v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
- v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
- v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
- v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
- v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
- v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
-
- in[1] = _mm_packs_epi32(v[0], v[1]);
- in[9] = _mm_packs_epi32(v[2], v[3]);
- in[5] = _mm_packs_epi32(v[4], v[5]);
- in[13] = _mm_packs_epi32(v[6], v[7]);
- in[3] = _mm_packs_epi32(v[8], v[9]);
- in[11] = _mm_packs_epi32(v[10], v[11]);
- in[7] = _mm_packs_epi32(v[12], v[13]);
- in[15] = _mm_packs_epi32(v[14], v[15]);
-}
-
-static void fadst16_8col(__m128i *in) {- // perform 16x16 1-D ADST for 8 columns
- __m128i s[16], x[16], u[32], v[32];
- const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64);
- const __m128i k__cospi_p31_m01 = pair_set_epi16(cospi_31_64, -cospi_1_64);
- const __m128i k__cospi_p05_p27 = pair_set_epi16(cospi_5_64, cospi_27_64);
- const __m128i k__cospi_p27_m05 = pair_set_epi16(cospi_27_64, -cospi_5_64);
- const __m128i k__cospi_p09_p23 = pair_set_epi16(cospi_9_64, cospi_23_64);
- const __m128i k__cospi_p23_m09 = pair_set_epi16(cospi_23_64, -cospi_9_64);
- const __m128i k__cospi_p13_p19 = pair_set_epi16(cospi_13_64, cospi_19_64);
- const __m128i k__cospi_p19_m13 = pair_set_epi16(cospi_19_64, -cospi_13_64);
- const __m128i k__cospi_p17_p15 = pair_set_epi16(cospi_17_64, cospi_15_64);
- const __m128i k__cospi_p15_m17 = pair_set_epi16(cospi_15_64, -cospi_17_64);
- const __m128i k__cospi_p21_p11 = pair_set_epi16(cospi_21_64, cospi_11_64);
- const __m128i k__cospi_p11_m21 = pair_set_epi16(cospi_11_64, -cospi_21_64);
- const __m128i k__cospi_p25_p07 = pair_set_epi16(cospi_25_64, cospi_7_64);
- const __m128i k__cospi_p07_m25 = pair_set_epi16(cospi_7_64, -cospi_25_64);
- const __m128i k__cospi_p29_p03 = pair_set_epi16(cospi_29_64, cospi_3_64);
- const __m128i k__cospi_p03_m29 = pair_set_epi16(cospi_3_64, -cospi_29_64);
- const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
- const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
- const __m128i k__cospi_m28_p04 = pair_set_epi16(-cospi_28_64, cospi_4_64);
- const __m128i k__cospi_m12_p20 = pair_set_epi16(-cospi_12_64, cospi_20_64);
- const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
- const __m128i k__cospi_m16_m16 = _mm_set1_epi16((int16_t)-cospi_16_64);
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i kZero = _mm_set1_epi16(0);
-
- u[0] = _mm_unpacklo_epi16(in[15], in[0]);
- u[1] = _mm_unpackhi_epi16(in[15], in[0]);
- u[2] = _mm_unpacklo_epi16(in[13], in[2]);
- u[3] = _mm_unpackhi_epi16(in[13], in[2]);
- u[4] = _mm_unpacklo_epi16(in[11], in[4]);
- u[5] = _mm_unpackhi_epi16(in[11], in[4]);
- u[6] = _mm_unpacklo_epi16(in[9], in[6]);
- u[7] = _mm_unpackhi_epi16(in[9], in[6]);
- u[8] = _mm_unpacklo_epi16(in[7], in[8]);
- u[9] = _mm_unpackhi_epi16(in[7], in[8]);
- u[10] = _mm_unpacklo_epi16(in[5], in[10]);
- u[11] = _mm_unpackhi_epi16(in[5], in[10]);
- u[12] = _mm_unpacklo_epi16(in[3], in[12]);
- u[13] = _mm_unpackhi_epi16(in[3], in[12]);
- u[14] = _mm_unpacklo_epi16(in[1], in[14]);
- u[15] = _mm_unpackhi_epi16(in[1], in[14]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p01_p31);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p01_p31);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p31_m01);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p31_m01);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p05_p27);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p05_p27);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p27_m05);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p27_m05);
- v[8] = _mm_madd_epi16(u[4], k__cospi_p09_p23);
- v[9] = _mm_madd_epi16(u[5], k__cospi_p09_p23);
- v[10] = _mm_madd_epi16(u[4], k__cospi_p23_m09);
- v[11] = _mm_madd_epi16(u[5], k__cospi_p23_m09);
- v[12] = _mm_madd_epi16(u[6], k__cospi_p13_p19);
- v[13] = _mm_madd_epi16(u[7], k__cospi_p13_p19);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p19_m13);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p19_m13);
- v[16] = _mm_madd_epi16(u[8], k__cospi_p17_p15);
- v[17] = _mm_madd_epi16(u[9], k__cospi_p17_p15);
- v[18] = _mm_madd_epi16(u[8], k__cospi_p15_m17);
- v[19] = _mm_madd_epi16(u[9], k__cospi_p15_m17);
- v[20] = _mm_madd_epi16(u[10], k__cospi_p21_p11);
- v[21] = _mm_madd_epi16(u[11], k__cospi_p21_p11);
- v[22] = _mm_madd_epi16(u[10], k__cospi_p11_m21);
- v[23] = _mm_madd_epi16(u[11], k__cospi_p11_m21);
- v[24] = _mm_madd_epi16(u[12], k__cospi_p25_p07);
- v[25] = _mm_madd_epi16(u[13], k__cospi_p25_p07);
- v[26] = _mm_madd_epi16(u[12], k__cospi_p07_m25);
- v[27] = _mm_madd_epi16(u[13], k__cospi_p07_m25);
- v[28] = _mm_madd_epi16(u[14], k__cospi_p29_p03);
- v[29] = _mm_madd_epi16(u[15], k__cospi_p29_p03);
- v[30] = _mm_madd_epi16(u[14], k__cospi_p03_m29);
- v[31] = _mm_madd_epi16(u[15], k__cospi_p03_m29);
-
- u[0] = _mm_add_epi32(v[0], v[16]);
- u[1] = _mm_add_epi32(v[1], v[17]);
- u[2] = _mm_add_epi32(v[2], v[18]);
- u[3] = _mm_add_epi32(v[3], v[19]);
- u[4] = _mm_add_epi32(v[4], v[20]);
- u[5] = _mm_add_epi32(v[5], v[21]);
- u[6] = _mm_add_epi32(v[6], v[22]);
- u[7] = _mm_add_epi32(v[7], v[23]);
- u[8] = _mm_add_epi32(v[8], v[24]);
- u[9] = _mm_add_epi32(v[9], v[25]);
- u[10] = _mm_add_epi32(v[10], v[26]);
- u[11] = _mm_add_epi32(v[11], v[27]);
- u[12] = _mm_add_epi32(v[12], v[28]);
- u[13] = _mm_add_epi32(v[13], v[29]);
- u[14] = _mm_add_epi32(v[14], v[30]);
- u[15] = _mm_add_epi32(v[15], v[31]);
- u[16] = _mm_sub_epi32(v[0], v[16]);
- u[17] = _mm_sub_epi32(v[1], v[17]);
- u[18] = _mm_sub_epi32(v[2], v[18]);
- u[19] = _mm_sub_epi32(v[3], v[19]);
- u[20] = _mm_sub_epi32(v[4], v[20]);
- u[21] = _mm_sub_epi32(v[5], v[21]);
- u[22] = _mm_sub_epi32(v[6], v[22]);
- u[23] = _mm_sub_epi32(v[7], v[23]);
- u[24] = _mm_sub_epi32(v[8], v[24]);
- u[25] = _mm_sub_epi32(v[9], v[25]);
- u[26] = _mm_sub_epi32(v[10], v[26]);
- u[27] = _mm_sub_epi32(v[11], v[27]);
- u[28] = _mm_sub_epi32(v[12], v[28]);
- u[29] = _mm_sub_epi32(v[13], v[29]);
- u[30] = _mm_sub_epi32(v[14], v[30]);
- u[31] = _mm_sub_epi32(v[15], v[31]);
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
- v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
- v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
- v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
- v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
- v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
- v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
- v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
- v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
- v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
- v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
- v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
- v[16] = _mm_add_epi32(u[16], k__DCT_CONST_ROUNDING);
- v[17] = _mm_add_epi32(u[17], k__DCT_CONST_ROUNDING);
- v[18] = _mm_add_epi32(u[18], k__DCT_CONST_ROUNDING);
- v[19] = _mm_add_epi32(u[19], k__DCT_CONST_ROUNDING);
- v[20] = _mm_add_epi32(u[20], k__DCT_CONST_ROUNDING);
- v[21] = _mm_add_epi32(u[21], k__DCT_CONST_ROUNDING);
- v[22] = _mm_add_epi32(u[22], k__DCT_CONST_ROUNDING);
- v[23] = _mm_add_epi32(u[23], k__DCT_CONST_ROUNDING);
- v[24] = _mm_add_epi32(u[24], k__DCT_CONST_ROUNDING);
- v[25] = _mm_add_epi32(u[25], k__DCT_CONST_ROUNDING);
- v[26] = _mm_add_epi32(u[26], k__DCT_CONST_ROUNDING);
- v[27] = _mm_add_epi32(u[27], k__DCT_CONST_ROUNDING);
- v[28] = _mm_add_epi32(u[28], k__DCT_CONST_ROUNDING);
- v[29] = _mm_add_epi32(u[29], k__DCT_CONST_ROUNDING);
- v[30] = _mm_add_epi32(u[30], k__DCT_CONST_ROUNDING);
- v[31] = _mm_add_epi32(u[31], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
- u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
- u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
- u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
- u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
- u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
- u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
- u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
- u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
- u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
- u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
- u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
- u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
- u[16] = _mm_srai_epi32(v[16], DCT_CONST_BITS);
- u[17] = _mm_srai_epi32(v[17], DCT_CONST_BITS);
- u[18] = _mm_srai_epi32(v[18], DCT_CONST_BITS);
- u[19] = _mm_srai_epi32(v[19], DCT_CONST_BITS);
- u[20] = _mm_srai_epi32(v[20], DCT_CONST_BITS);
- u[21] = _mm_srai_epi32(v[21], DCT_CONST_BITS);
- u[22] = _mm_srai_epi32(v[22], DCT_CONST_BITS);
- u[23] = _mm_srai_epi32(v[23], DCT_CONST_BITS);
- u[24] = _mm_srai_epi32(v[24], DCT_CONST_BITS);
- u[25] = _mm_srai_epi32(v[25], DCT_CONST_BITS);
- u[26] = _mm_srai_epi32(v[26], DCT_CONST_BITS);
- u[27] = _mm_srai_epi32(v[27], DCT_CONST_BITS);
- u[28] = _mm_srai_epi32(v[28], DCT_CONST_BITS);
- u[29] = _mm_srai_epi32(v[29], DCT_CONST_BITS);
- u[30] = _mm_srai_epi32(v[30], DCT_CONST_BITS);
- u[31] = _mm_srai_epi32(v[31], DCT_CONST_BITS);
-
- s[0] = _mm_packs_epi32(u[0], u[1]);
- s[1] = _mm_packs_epi32(u[2], u[3]);
- s[2] = _mm_packs_epi32(u[4], u[5]);
- s[3] = _mm_packs_epi32(u[6], u[7]);
- s[4] = _mm_packs_epi32(u[8], u[9]);
- s[5] = _mm_packs_epi32(u[10], u[11]);
- s[6] = _mm_packs_epi32(u[12], u[13]);
- s[7] = _mm_packs_epi32(u[14], u[15]);
- s[8] = _mm_packs_epi32(u[16], u[17]);
- s[9] = _mm_packs_epi32(u[18], u[19]);
- s[10] = _mm_packs_epi32(u[20], u[21]);
- s[11] = _mm_packs_epi32(u[22], u[23]);
- s[12] = _mm_packs_epi32(u[24], u[25]);
- s[13] = _mm_packs_epi32(u[26], u[27]);
- s[14] = _mm_packs_epi32(u[28], u[29]);
- s[15] = _mm_packs_epi32(u[30], u[31]);
-
- // stage 2
- u[0] = _mm_unpacklo_epi16(s[8], s[9]);
- u[1] = _mm_unpackhi_epi16(s[8], s[9]);
- u[2] = _mm_unpacklo_epi16(s[10], s[11]);
- u[3] = _mm_unpackhi_epi16(s[10], s[11]);
- u[4] = _mm_unpacklo_epi16(s[12], s[13]);
- u[5] = _mm_unpackhi_epi16(s[12], s[13]);
- u[6] = _mm_unpacklo_epi16(s[14], s[15]);
- u[7] = _mm_unpackhi_epi16(s[14], s[15]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
- v[8] = _mm_madd_epi16(u[4], k__cospi_m28_p04);
- v[9] = _mm_madd_epi16(u[5], k__cospi_m28_p04);
- v[10] = _mm_madd_epi16(u[4], k__cospi_p04_p28);
- v[11] = _mm_madd_epi16(u[5], k__cospi_p04_p28);
- v[12] = _mm_madd_epi16(u[6], k__cospi_m12_p20);
- v[13] = _mm_madd_epi16(u[7], k__cospi_m12_p20);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p20_p12);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p20_p12);
-
- u[0] = _mm_add_epi32(v[0], v[8]);
- u[1] = _mm_add_epi32(v[1], v[9]);
- u[2] = _mm_add_epi32(v[2], v[10]);
- u[3] = _mm_add_epi32(v[3], v[11]);
- u[4] = _mm_add_epi32(v[4], v[12]);
- u[5] = _mm_add_epi32(v[5], v[13]);
- u[6] = _mm_add_epi32(v[6], v[14]);
- u[7] = _mm_add_epi32(v[7], v[15]);
- u[8] = _mm_sub_epi32(v[0], v[8]);
- u[9] = _mm_sub_epi32(v[1], v[9]);
- u[10] = _mm_sub_epi32(v[2], v[10]);
- u[11] = _mm_sub_epi32(v[3], v[11]);
- u[12] = _mm_sub_epi32(v[4], v[12]);
- u[13] = _mm_sub_epi32(v[5], v[13]);
- u[14] = _mm_sub_epi32(v[6], v[14]);
- u[15] = _mm_sub_epi32(v[7], v[15]);
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
- v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
- v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
- v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
- v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
- v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
- v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
- v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
- v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
- v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
- v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
- v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
- u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
- u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
- u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
- u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
- u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
- u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
- u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
- u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
- u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
- u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
- u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
- u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
-
- x[0] = _mm_add_epi16(s[0], s[4]);
- x[1] = _mm_add_epi16(s[1], s[5]);
- x[2] = _mm_add_epi16(s[2], s[6]);
- x[3] = _mm_add_epi16(s[3], s[7]);
- x[4] = _mm_sub_epi16(s[0], s[4]);
- x[5] = _mm_sub_epi16(s[1], s[5]);
- x[6] = _mm_sub_epi16(s[2], s[6]);
- x[7] = _mm_sub_epi16(s[3], s[7]);
- x[8] = _mm_packs_epi32(u[0], u[1]);
- x[9] = _mm_packs_epi32(u[2], u[3]);
- x[10] = _mm_packs_epi32(u[4], u[5]);
- x[11] = _mm_packs_epi32(u[6], u[7]);
- x[12] = _mm_packs_epi32(u[8], u[9]);
- x[13] = _mm_packs_epi32(u[10], u[11]);
- x[14] = _mm_packs_epi32(u[12], u[13]);
- x[15] = _mm_packs_epi32(u[14], u[15]);
-
- // stage 3
- u[0] = _mm_unpacklo_epi16(x[4], x[5]);
- u[1] = _mm_unpackhi_epi16(x[4], x[5]);
- u[2] = _mm_unpacklo_epi16(x[6], x[7]);
- u[3] = _mm_unpackhi_epi16(x[6], x[7]);
- u[4] = _mm_unpacklo_epi16(x[12], x[13]);
- u[5] = _mm_unpackhi_epi16(x[12], x[13]);
- u[6] = _mm_unpacklo_epi16(x[14], x[15]);
- u[7] = _mm_unpackhi_epi16(x[14], x[15]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
- v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08);
- v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
- v[8] = _mm_madd_epi16(u[4], k__cospi_p08_p24);
- v[9] = _mm_madd_epi16(u[5], k__cospi_p08_p24);
- v[10] = _mm_madd_epi16(u[4], k__cospi_p24_m08);
- v[11] = _mm_madd_epi16(u[5], k__cospi_p24_m08);
- v[12] = _mm_madd_epi16(u[6], k__cospi_m24_p08);
- v[13] = _mm_madd_epi16(u[7], k__cospi_m24_p08);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p08_p24);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p08_p24);
-
- u[0] = _mm_add_epi32(v[0], v[4]);
- u[1] = _mm_add_epi32(v[1], v[5]);
- u[2] = _mm_add_epi32(v[2], v[6]);
- u[3] = _mm_add_epi32(v[3], v[7]);
- u[4] = _mm_sub_epi32(v[0], v[4]);
- u[5] = _mm_sub_epi32(v[1], v[5]);
- u[6] = _mm_sub_epi32(v[2], v[6]);
- u[7] = _mm_sub_epi32(v[3], v[7]);
- u[8] = _mm_add_epi32(v[8], v[12]);
- u[9] = _mm_add_epi32(v[9], v[13]);
- u[10] = _mm_add_epi32(v[10], v[14]);
- u[11] = _mm_add_epi32(v[11], v[15]);
- u[12] = _mm_sub_epi32(v[8], v[12]);
- u[13] = _mm_sub_epi32(v[9], v[13]);
- u[14] = _mm_sub_epi32(v[10], v[14]);
- u[15] = _mm_sub_epi32(v[11], v[15]);
-
- u[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
- u[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
- u[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
- u[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
- u[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
- u[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
- u[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
- u[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
- u[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
- v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
- v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
- v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
- v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
- v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
- v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
- v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
- v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
-
- s[0] = _mm_add_epi16(x[0], x[2]);
- s[1] = _mm_add_epi16(x[1], x[3]);
- s[2] = _mm_sub_epi16(x[0], x[2]);
- s[3] = _mm_sub_epi16(x[1], x[3]);
- s[4] = _mm_packs_epi32(v[0], v[1]);
- s[5] = _mm_packs_epi32(v[2], v[3]);
- s[6] = _mm_packs_epi32(v[4], v[5]);
- s[7] = _mm_packs_epi32(v[6], v[7]);
- s[8] = _mm_add_epi16(x[8], x[10]);
- s[9] = _mm_add_epi16(x[9], x[11]);
- s[10] = _mm_sub_epi16(x[8], x[10]);
- s[11] = _mm_sub_epi16(x[9], x[11]);
- s[12] = _mm_packs_epi32(v[8], v[9]);
- s[13] = _mm_packs_epi32(v[10], v[11]);
- s[14] = _mm_packs_epi32(v[12], v[13]);
- s[15] = _mm_packs_epi32(v[14], v[15]);
-
- // stage 4
- u[0] = _mm_unpacklo_epi16(s[2], s[3]);
- u[1] = _mm_unpackhi_epi16(s[2], s[3]);
- u[2] = _mm_unpacklo_epi16(s[6], s[7]);
- u[3] = _mm_unpackhi_epi16(s[6], s[7]);
- u[4] = _mm_unpacklo_epi16(s[10], s[11]);
- u[5] = _mm_unpackhi_epi16(s[10], s[11]);
- u[6] = _mm_unpacklo_epi16(s[14], s[15]);
- u[7] = _mm_unpackhi_epi16(s[14], s[15]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_m16_m16);
- v[1] = _mm_madd_epi16(u[1], k__cospi_m16_m16);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
- v[6] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
- v[7] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
- v[8] = _mm_madd_epi16(u[4], k__cospi_p16_p16);
- v[9] = _mm_madd_epi16(u[5], k__cospi_p16_p16);
- v[10] = _mm_madd_epi16(u[4], k__cospi_m16_p16);
- v[11] = _mm_madd_epi16(u[5], k__cospi_m16_p16);
- v[12] = _mm_madd_epi16(u[6], k__cospi_m16_m16);
- v[13] = _mm_madd_epi16(u[7], k__cospi_m16_m16);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p16_m16);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p16_m16);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
- u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
- u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
- u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
- u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
- u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
- u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
- u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
- u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
- v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
- v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
- v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
- v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
- v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
- v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
- v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
- v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
-
- in[0] = s[0];
- in[1] = _mm_sub_epi16(kZero, s[8]);
- in[2] = s[12];
- in[3] = _mm_sub_epi16(kZero, s[4]);
- in[4] = _mm_packs_epi32(v[4], v[5]);
- in[5] = _mm_packs_epi32(v[12], v[13]);
- in[6] = _mm_packs_epi32(v[8], v[9]);
- in[7] = _mm_packs_epi32(v[0], v[1]);
- in[8] = _mm_packs_epi32(v[2], v[3]);
- in[9] = _mm_packs_epi32(v[10], v[11]);
- in[10] = _mm_packs_epi32(v[14], v[15]);
- in[11] = _mm_packs_epi32(v[6], v[7]);
- in[12] = s[5];
- in[13] = _mm_sub_epi16(kZero, s[13]);
- in[14] = s[9];
- in[15] = _mm_sub_epi16(kZero, s[1]);
-}
-
-static void fdct16_sse2(__m128i *in0, __m128i *in1) {- fdct16_8col(in0);
- fdct16_8col(in1);
- array_transpose_16x16(in0, in1);
-}
-
-static void fadst16_sse2(__m128i *in0, __m128i *in1) {- fadst16_8col(in0);
- fadst16_8col(in1);
- array_transpose_16x16(in0, in1);
-}
-
-void vp10_fht16x16_sse2(const int16_t *input, tran_low_t *output,
- int stride, int tx_type) {- __m128i in0[16], in1[16];
-
- switch (tx_type) {- case DCT_DCT:
- vpx_fdct16x16_sse2(input, output, stride);
- break;
- case ADST_DCT:
- load_buffer_16x16(input, in0, in1, stride);
- fadst16_sse2(in0, in1);
- right_shift_16x16(in0, in1);
- fdct16_sse2(in0, in1);
- write_buffer_16x16(output, in0, in1, 16);
- break;
- case DCT_ADST:
- load_buffer_16x16(input, in0, in1, stride);
- fdct16_sse2(in0, in1);
- right_shift_16x16(in0, in1);
- fadst16_sse2(in0, in1);
- write_buffer_16x16(output, in0, in1, 16);
- break;
- case ADST_ADST:
- load_buffer_16x16(input, in0, in1, stride);
- fadst16_sse2(in0, in1);
- right_shift_16x16(in0, in1);
- fadst16_sse2(in0, in1);
- write_buffer_16x16(output, in0, in1, 16);
- break;
- default:
- assert(0);
- break;
- }
-}
--- a/vp10/vp10cx.mk
+++ b/vp10/vp10cx.mk
@@ -93,7 +93,7 @@
endif
ifeq ($(CONFIG_USE_X86INC),yes)
-VP10_CX_SRCS-$(HAVE_MMX) += encoder/x86/dct_mmx.asm
+VP10_CX_SRCS-$(HAVE_SSE2) += encoder/x86/dct_sse2.asm
VP10_CX_SRCS-$(HAVE_SSE2) += encoder/x86/error_sse2.asm
endif
@@ -103,7 +103,7 @@
endif
endif
-VP10_CX_SRCS-$(HAVE_SSE2) += encoder/x86/dct_sse2.c
+VP10_CX_SRCS-$(HAVE_SSE2) += encoder/x86/dct_intrin_sse2.c
VP10_CX_SRCS-$(HAVE_SSSE3) += encoder/x86/dct_ssse3.c
ifeq ($(CONFIG_VP9_TEMPORAL_DENOISING),yes)
--- a/vp9/common/vp9_rtcd_defs.pl
+++ b/vp9/common/vp9_rtcd_defs.pl
@@ -245,7 +245,7 @@
specialize qw/vp9_fht16x16 sse2/;
add_proto qw/void vp9_fwht4x4/, "const int16_t *input, tran_low_t *output, int stride";
- specialize qw/vp9_fwht4x4/, "$mmx_x86inc";
+ specialize qw/vp9_fwht4x4/, "$sse2_x86inc";
} else {add_proto qw/void vp9_fht4x4/, "const int16_t *input, tran_low_t *output, int stride, int tx_type";
specialize qw/vp9_fht4x4 sse2 msa/;
@@ -257,7 +257,7 @@
specialize qw/vp9_fht16x16 sse2 msa/;
add_proto qw/void vp9_fwht4x4/, "const int16_t *input, tran_low_t *output, int stride";
- specialize qw/vp9_fwht4x4 msa/, "$mmx_x86inc";
+ specialize qw/vp9_fwht4x4 msa/, "$sse2_x86inc";
}
#
--- /dev/null
+++ b/vp9/encoder/x86/vp9_dct_intrin_sse2.c
@@ -1,0 +1,2058 @@
+/*
+ * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <assert.h>
+#include <emmintrin.h> // SSE2
+
+#include "./vp9_rtcd.h"
+#include "./vpx_dsp_rtcd.h"
+#include "vpx_dsp/txfm_common.h"
+#include "vpx_dsp/x86/fwd_txfm_sse2.h"
+#include "vpx_dsp/x86/txfm_common_sse2.h"
+#include "vpx_ports/mem.h"
+
+static INLINE void load_buffer_4x4(const int16_t *input, __m128i *in,
+ int stride) {+ const __m128i k__nonzero_bias_a = _mm_setr_epi16(0, 1, 1, 1, 1, 1, 1, 1);
+ const __m128i k__nonzero_bias_b = _mm_setr_epi16(1, 0, 0, 0, 0, 0, 0, 0);
+ __m128i mask;
+
+ in[0] = _mm_loadl_epi64((const __m128i *)(input + 0 * stride));
+ in[1] = _mm_loadl_epi64((const __m128i *)(input + 1 * stride));
+ in[2] = _mm_loadl_epi64((const __m128i *)(input + 2 * stride));
+ in[3] = _mm_loadl_epi64((const __m128i *)(input + 3 * stride));
+
+ in[0] = _mm_slli_epi16(in[0], 4);
+ in[1] = _mm_slli_epi16(in[1], 4);
+ in[2] = _mm_slli_epi16(in[2], 4);
+ in[3] = _mm_slli_epi16(in[3], 4);
+
+ mask = _mm_cmpeq_epi16(in[0], k__nonzero_bias_a);
+ in[0] = _mm_add_epi16(in[0], mask);
+ in[0] = _mm_add_epi16(in[0], k__nonzero_bias_b);
+}
+
+static INLINE void write_buffer_4x4(tran_low_t *output, __m128i *res) {+ const __m128i kOne = _mm_set1_epi16(1);
+ __m128i in01 = _mm_unpacklo_epi64(res[0], res[1]);
+ __m128i in23 = _mm_unpacklo_epi64(res[2], res[3]);
+ __m128i out01 = _mm_add_epi16(in01, kOne);
+ __m128i out23 = _mm_add_epi16(in23, kOne);
+ out01 = _mm_srai_epi16(out01, 2);
+ out23 = _mm_srai_epi16(out23, 2);
+ store_output(&out01, (output + 0 * 8));
+ store_output(&out23, (output + 1 * 8));
+}
+
+static INLINE void transpose_4x4(__m128i *res) {+ // Combine and transpose
+ // 00 01 02 03 20 21 22 23
+ // 10 11 12 13 30 31 32 33
+ const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]);
+ const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]);
+
+ // 00 10 01 11 02 12 03 13
+ // 20 30 21 31 22 32 23 33
+ res[0] = _mm_unpacklo_epi32(tr0_0, tr0_1);
+ res[2] = _mm_unpackhi_epi32(tr0_0, tr0_1);
+
+ // 00 10 20 30 01 11 21 31
+ // 02 12 22 32 03 13 23 33
+ // only use the first 4 16-bit integers
+ res[1] = _mm_unpackhi_epi64(res[0], res[0]);
+ res[3] = _mm_unpackhi_epi64(res[2], res[2]);
+}
+
+static void fdct4_sse2(__m128i *in) {+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+
+ __m128i u[4], v[4];
+ u[0]=_mm_unpacklo_epi16(in[0], in[1]);
+ u[1]=_mm_unpacklo_epi16(in[3], in[2]);
+
+ v[0] = _mm_add_epi16(u[0], u[1]);
+ v[1] = _mm_sub_epi16(u[0], u[1]);
+
+ u[0] = _mm_madd_epi16(v[0], k__cospi_p16_p16); // 0
+ u[1] = _mm_madd_epi16(v[0], k__cospi_p16_m16); // 2
+ u[2] = _mm_madd_epi16(v[1], k__cospi_p08_p24); // 1
+ u[3] = _mm_madd_epi16(v[1], k__cospi_p24_m08); // 3
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+
+ in[0] = _mm_packs_epi32(u[0], u[1]);
+ in[1] = _mm_packs_epi32(u[2], u[3]);
+ transpose_4x4(in);
+}
+
+static void fadst4_sse2(__m128i *in) {+ const __m128i k__sinpi_p01_p02 = pair_set_epi16(sinpi_1_9, sinpi_2_9);
+ const __m128i k__sinpi_p04_m01 = pair_set_epi16(sinpi_4_9, -sinpi_1_9);
+ const __m128i k__sinpi_p03_p04 = pair_set_epi16(sinpi_3_9, sinpi_4_9);
+ const __m128i k__sinpi_m03_p02 = pair_set_epi16(-sinpi_3_9, sinpi_2_9);
+ const __m128i k__sinpi_p03_p03 = _mm_set1_epi16((int16_t)sinpi_3_9);
+ const __m128i kZero = _mm_set1_epi16(0);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ __m128i u[8], v[8];
+ __m128i in7 = _mm_add_epi16(in[0], in[1]);
+
+ u[0] = _mm_unpacklo_epi16(in[0], in[1]);
+ u[1] = _mm_unpacklo_epi16(in[2], in[3]);
+ u[2] = _mm_unpacklo_epi16(in7, kZero);
+ u[3] = _mm_unpacklo_epi16(in[2], kZero);
+ u[4] = _mm_unpacklo_epi16(in[3], kZero);
+
+ v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p02); // s0 + s2
+ v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p04); // s4 + s5
+ v[2] = _mm_madd_epi16(u[2], k__sinpi_p03_p03); // x1
+ v[3] = _mm_madd_epi16(u[0], k__sinpi_p04_m01); // s1 - s3
+ v[4] = _mm_madd_epi16(u[1], k__sinpi_m03_p02); // -s4 + s6
+ v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s4
+ v[6] = _mm_madd_epi16(u[4], k__sinpi_p03_p03);
+
+ u[0] = _mm_add_epi32(v[0], v[1]);
+ u[1] = _mm_sub_epi32(v[2], v[6]);
+ u[2] = _mm_add_epi32(v[3], v[4]);
+ u[3] = _mm_sub_epi32(u[2], u[0]);
+ u[4] = _mm_slli_epi32(v[5], 2);
+ u[5] = _mm_sub_epi32(u[4], v[5]);
+ u[6] = _mm_add_epi32(u[3], u[5]);
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+
+ in[0] = _mm_packs_epi32(u[0], u[2]);
+ in[1] = _mm_packs_epi32(u[1], u[3]);
+ transpose_4x4(in);
+}
+
+void vp9_fht4x4_sse2(const int16_t *input, tran_low_t *output,
+ int stride, int tx_type) {+ __m128i in[4];
+
+ switch (tx_type) {+ case DCT_DCT:
+ vpx_fdct4x4_sse2(input, output, stride);
+ break;
+ case ADST_DCT:
+ load_buffer_4x4(input, in, stride);
+ fadst4_sse2(in);
+ fdct4_sse2(in);
+ write_buffer_4x4(output, in);
+ break;
+ case DCT_ADST:
+ load_buffer_4x4(input, in, stride);
+ fdct4_sse2(in);
+ fadst4_sse2(in);
+ write_buffer_4x4(output, in);
+ break;
+ case ADST_ADST:
+ load_buffer_4x4(input, in, stride);
+ fadst4_sse2(in);
+ fadst4_sse2(in);
+ write_buffer_4x4(output, in);
+ break;
+ default:
+ assert(0);
+ break;
+ }
+}
+
+void vp9_fdct8x8_quant_sse2(const int16_t *input, int stride,
+ int16_t* coeff_ptr, intptr_t n_coeffs,
+ int skip_block, const int16_t* zbin_ptr,
+ const int16_t* round_ptr, const int16_t* quant_ptr,
+ const int16_t* quant_shift_ptr, int16_t* qcoeff_ptr,
+ int16_t* dqcoeff_ptr, const int16_t* dequant_ptr,
+ uint16_t* eob_ptr,
+ const int16_t* scan_ptr,
+ const int16_t* iscan_ptr) {+ __m128i zero;
+ int pass;
+ // Constants
+ // When we use them, in one case, they are all the same. In all others
+ // it's a pair of them that we need to repeat four times. This is done
+ // by constructing the 32 bit constant corresponding to that pair.
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64);
+ const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
+ const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ // Load input
+ __m128i in0 = _mm_load_si128((const __m128i *)(input + 0 * stride));
+ __m128i in1 = _mm_load_si128((const __m128i *)(input + 1 * stride));
+ __m128i in2 = _mm_load_si128((const __m128i *)(input + 2 * stride));
+ __m128i in3 = _mm_load_si128((const __m128i *)(input + 3 * stride));
+ __m128i in4 = _mm_load_si128((const __m128i *)(input + 4 * stride));
+ __m128i in5 = _mm_load_si128((const __m128i *)(input + 5 * stride));
+ __m128i in6 = _mm_load_si128((const __m128i *)(input + 6 * stride));
+ __m128i in7 = _mm_load_si128((const __m128i *)(input + 7 * stride));
+ __m128i *in[8];
+ int index = 0;
+
+ (void)scan_ptr;
+ (void)zbin_ptr;
+ (void)quant_shift_ptr;
+ (void)coeff_ptr;
+
+ // Pre-condition input (shift by two)
+ in0 = _mm_slli_epi16(in0, 2);
+ in1 = _mm_slli_epi16(in1, 2);
+ in2 = _mm_slli_epi16(in2, 2);
+ in3 = _mm_slli_epi16(in3, 2);
+ in4 = _mm_slli_epi16(in4, 2);
+ in5 = _mm_slli_epi16(in5, 2);
+ in6 = _mm_slli_epi16(in6, 2);
+ in7 = _mm_slli_epi16(in7, 2);
+
+ in[0] = &in0;
+ in[1] = &in1;
+ in[2] = &in2;
+ in[3] = &in3;
+ in[4] = &in4;
+ in[5] = &in5;
+ in[6] = &in6;
+ in[7] = &in7;
+
+ // We do two passes, first the columns, then the rows. The results of the
+ // first pass are transposed so that the same column code can be reused. The
+ // results of the second pass are also transposed so that the rows (processed
+ // as columns) are put back in row positions.
+ for (pass = 0; pass < 2; pass++) {+ // To store results of each pass before the transpose.
+ __m128i res0, res1, res2, res3, res4, res5, res6, res7;
+ // Add/subtract
+ const __m128i q0 = _mm_add_epi16(in0, in7);
+ const __m128i q1 = _mm_add_epi16(in1, in6);
+ const __m128i q2 = _mm_add_epi16(in2, in5);
+ const __m128i q3 = _mm_add_epi16(in3, in4);
+ const __m128i q4 = _mm_sub_epi16(in3, in4);
+ const __m128i q5 = _mm_sub_epi16(in2, in5);
+ const __m128i q6 = _mm_sub_epi16(in1, in6);
+ const __m128i q7 = _mm_sub_epi16(in0, in7);
+ // Work on first four results
+ {+ // Add/subtract
+ const __m128i r0 = _mm_add_epi16(q0, q3);
+ const __m128i r1 = _mm_add_epi16(q1, q2);
+ const __m128i r2 = _mm_sub_epi16(q1, q2);
+ const __m128i r3 = _mm_sub_epi16(q0, q3);
+ // Interleave to do the multiply by constants which gets us into 32bits
+ const __m128i t0 = _mm_unpacklo_epi16(r0, r1);
+ const __m128i t1 = _mm_unpackhi_epi16(r0, r1);
+ const __m128i t2 = _mm_unpacklo_epi16(r2, r3);
+ const __m128i t3 = _mm_unpackhi_epi16(r2, r3);
+ const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p16_p16);
+ const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p16_p16);
+ const __m128i u2 = _mm_madd_epi16(t0, k__cospi_p16_m16);
+ const __m128i u3 = _mm_madd_epi16(t1, k__cospi_p16_m16);
+ const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p24_p08);
+ const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p24_p08);
+ const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m08_p24);
+ const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m08_p24);
+ // dct_const_round_shift
+ const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING);
+ const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING);
+ const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING);
+ const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING);
+ const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING);
+ const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING);
+ const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING);
+ const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING);
+ const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
+ const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
+ const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
+ const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
+ const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
+ const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
+ const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
+ const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
+ // Combine
+ res0 = _mm_packs_epi32(w0, w1);
+ res4 = _mm_packs_epi32(w2, w3);
+ res2 = _mm_packs_epi32(w4, w5);
+ res6 = _mm_packs_epi32(w6, w7);
+ }
+ // Work on next four results
+ {+ // Interleave to do the multiply by constants which gets us into 32bits
+ const __m128i d0 = _mm_unpacklo_epi16(q6, q5);
+ const __m128i d1 = _mm_unpackhi_epi16(q6, q5);
+ const __m128i e0 = _mm_madd_epi16(d0, k__cospi_p16_m16);
+ const __m128i e1 = _mm_madd_epi16(d1, k__cospi_p16_m16);
+ const __m128i e2 = _mm_madd_epi16(d0, k__cospi_p16_p16);
+ const __m128i e3 = _mm_madd_epi16(d1, k__cospi_p16_p16);
+ // dct_const_round_shift
+ const __m128i f0 = _mm_add_epi32(e0, k__DCT_CONST_ROUNDING);
+ const __m128i f1 = _mm_add_epi32(e1, k__DCT_CONST_ROUNDING);
+ const __m128i f2 = _mm_add_epi32(e2, k__DCT_CONST_ROUNDING);
+ const __m128i f3 = _mm_add_epi32(e3, k__DCT_CONST_ROUNDING);
+ const __m128i s0 = _mm_srai_epi32(f0, DCT_CONST_BITS);
+ const __m128i s1 = _mm_srai_epi32(f1, DCT_CONST_BITS);
+ const __m128i s2 = _mm_srai_epi32(f2, DCT_CONST_BITS);
+ const __m128i s3 = _mm_srai_epi32(f3, DCT_CONST_BITS);
+ // Combine
+ const __m128i r0 = _mm_packs_epi32(s0, s1);
+ const __m128i r1 = _mm_packs_epi32(s2, s3);
+ // Add/subtract
+ const __m128i x0 = _mm_add_epi16(q4, r0);
+ const __m128i x1 = _mm_sub_epi16(q4, r0);
+ const __m128i x2 = _mm_sub_epi16(q7, r1);
+ const __m128i x3 = _mm_add_epi16(q7, r1);
+ // Interleave to do the multiply by constants which gets us into 32bits
+ const __m128i t0 = _mm_unpacklo_epi16(x0, x3);
+ const __m128i t1 = _mm_unpackhi_epi16(x0, x3);
+ const __m128i t2 = _mm_unpacklo_epi16(x1, x2);
+ const __m128i t3 = _mm_unpackhi_epi16(x1, x2);
+ const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p28_p04);
+ const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p28_p04);
+ const __m128i u2 = _mm_madd_epi16(t0, k__cospi_m04_p28);
+ const __m128i u3 = _mm_madd_epi16(t1, k__cospi_m04_p28);
+ const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p12_p20);
+ const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p12_p20);
+ const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m20_p12);
+ const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m20_p12);
+ // dct_const_round_shift
+ const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING);
+ const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING);
+ const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING);
+ const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING);
+ const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING);
+ const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING);
+ const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING);
+ const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING);
+ const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
+ const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
+ const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
+ const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
+ const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
+ const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
+ const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
+ const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
+ // Combine
+ res1 = _mm_packs_epi32(w0, w1);
+ res7 = _mm_packs_epi32(w2, w3);
+ res5 = _mm_packs_epi32(w4, w5);
+ res3 = _mm_packs_epi32(w6, w7);
+ }
+ // Transpose the 8x8.
+ {+ // 00 01 02 03 04 05 06 07
+ // 10 11 12 13 14 15 16 17
+ // 20 21 22 23 24 25 26 27
+ // 30 31 32 33 34 35 36 37
+ // 40 41 42 43 44 45 46 47
+ // 50 51 52 53 54 55 56 57
+ // 60 61 62 63 64 65 66 67
+ // 70 71 72 73 74 75 76 77
+ const __m128i tr0_0 = _mm_unpacklo_epi16(res0, res1);
+ const __m128i tr0_1 = _mm_unpacklo_epi16(res2, res3);
+ const __m128i tr0_2 = _mm_unpackhi_epi16(res0, res1);
+ const __m128i tr0_3 = _mm_unpackhi_epi16(res2, res3);
+ const __m128i tr0_4 = _mm_unpacklo_epi16(res4, res5);
+ const __m128i tr0_5 = _mm_unpacklo_epi16(res6, res7);
+ const __m128i tr0_6 = _mm_unpackhi_epi16(res4, res5);
+ const __m128i tr0_7 = _mm_unpackhi_epi16(res6, res7);
+ // 00 10 01 11 02 12 03 13
+ // 20 30 21 31 22 32 23 33
+ // 04 14 05 15 06 16 07 17
+ // 24 34 25 35 26 36 27 37
+ // 40 50 41 51 42 52 43 53
+ // 60 70 61 71 62 72 63 73
+ // 54 54 55 55 56 56 57 57
+ // 64 74 65 75 66 76 67 77
+ const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
+ const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3);
+ const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
+ const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3);
+ const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5);
+ const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7);
+ const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5);
+ const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7);
+ // 00 10 20 30 01 11 21 31
+ // 40 50 60 70 41 51 61 71
+ // 02 12 22 32 03 13 23 33
+ // 42 52 62 72 43 53 63 73
+ // 04 14 24 34 05 15 21 36
+ // 44 54 64 74 45 55 61 76
+ // 06 16 26 36 07 17 27 37
+ // 46 56 66 76 47 57 67 77
+ in0 = _mm_unpacklo_epi64(tr1_0, tr1_4);
+ in1 = _mm_unpackhi_epi64(tr1_0, tr1_4);
+ in2 = _mm_unpacklo_epi64(tr1_2, tr1_6);
+ in3 = _mm_unpackhi_epi64(tr1_2, tr1_6);
+ in4 = _mm_unpacklo_epi64(tr1_1, tr1_5);
+ in5 = _mm_unpackhi_epi64(tr1_1, tr1_5);
+ in6 = _mm_unpacklo_epi64(tr1_3, tr1_7);
+ in7 = _mm_unpackhi_epi64(tr1_3, tr1_7);
+ // 00 10 20 30 40 50 60 70
+ // 01 11 21 31 41 51 61 71
+ // 02 12 22 32 42 52 62 72
+ // 03 13 23 33 43 53 63 73
+ // 04 14 24 34 44 54 64 74
+ // 05 15 25 35 45 55 65 75
+ // 06 16 26 36 46 56 66 76
+ // 07 17 27 37 47 57 67 77
+ }
+ }
+ // Post-condition output and store it
+ {+ // Post-condition (division by two)
+ // division of two 16 bits signed numbers using shifts
+ // n / 2 = (n - (n >> 15)) >> 1
+ const __m128i sign_in0 = _mm_srai_epi16(in0, 15);
+ const __m128i sign_in1 = _mm_srai_epi16(in1, 15);
+ const __m128i sign_in2 = _mm_srai_epi16(in2, 15);
+ const __m128i sign_in3 = _mm_srai_epi16(in3, 15);
+ const __m128i sign_in4 = _mm_srai_epi16(in4, 15);
+ const __m128i sign_in5 = _mm_srai_epi16(in5, 15);
+ const __m128i sign_in6 = _mm_srai_epi16(in6, 15);
+ const __m128i sign_in7 = _mm_srai_epi16(in7, 15);
+ in0 = _mm_sub_epi16(in0, sign_in0);
+ in1 = _mm_sub_epi16(in1, sign_in1);
+ in2 = _mm_sub_epi16(in2, sign_in2);
+ in3 = _mm_sub_epi16(in3, sign_in3);
+ in4 = _mm_sub_epi16(in4, sign_in4);
+ in5 = _mm_sub_epi16(in5, sign_in5);
+ in6 = _mm_sub_epi16(in6, sign_in6);
+ in7 = _mm_sub_epi16(in7, sign_in7);
+ in0 = _mm_srai_epi16(in0, 1);
+ in1 = _mm_srai_epi16(in1, 1);
+ in2 = _mm_srai_epi16(in2, 1);
+ in3 = _mm_srai_epi16(in3, 1);
+ in4 = _mm_srai_epi16(in4, 1);
+ in5 = _mm_srai_epi16(in5, 1);
+ in6 = _mm_srai_epi16(in6, 1);
+ in7 = _mm_srai_epi16(in7, 1);
+ }
+
+ iscan_ptr += n_coeffs;
+ qcoeff_ptr += n_coeffs;
+ dqcoeff_ptr += n_coeffs;
+ n_coeffs = -n_coeffs;
+ zero = _mm_setzero_si128();
+
+ if (!skip_block) {+ __m128i eob;
+ __m128i round, quant, dequant;
+ {+ __m128i coeff0, coeff1;
+
+ // Setup global values
+ {+ round = _mm_load_si128((const __m128i*)round_ptr);
+ quant = _mm_load_si128((const __m128i*)quant_ptr);
+ dequant = _mm_load_si128((const __m128i*)dequant_ptr);
+ }
+
+ {+ __m128i coeff0_sign, coeff1_sign;
+ __m128i qcoeff0, qcoeff1;
+ __m128i qtmp0, qtmp1;
+ // Do DC and first 15 AC
+ coeff0 = *in[0];
+ coeff1 = *in[1];
+
+ // Poor man's sign extract
+ coeff0_sign = _mm_srai_epi16(coeff0, 15);
+ coeff1_sign = _mm_srai_epi16(coeff1, 15);
+ qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
+ qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
+ qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
+ qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
+
+ qcoeff0 = _mm_adds_epi16(qcoeff0, round);
+ round = _mm_unpackhi_epi64(round, round);
+ qcoeff1 = _mm_adds_epi16(qcoeff1, round);
+ qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
+ quant = _mm_unpackhi_epi64(quant, quant);
+ qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
+
+ // Reinsert signs
+ qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign);
+ qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign);
+ qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
+ qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
+
+ _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0);
+ _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1);
+
+ coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
+ dequant = _mm_unpackhi_epi64(dequant, dequant);
+ coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
+
+ _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0);
+ _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1);
+ }
+
+ {+ // Scan for eob
+ __m128i zero_coeff0, zero_coeff1;
+ __m128i nzero_coeff0, nzero_coeff1;
+ __m128i iscan0, iscan1;
+ __m128i eob1;
+ zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
+ zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
+ nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero);
+ nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero);
+ iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs));
+ iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1);
+ // Add one to convert from indices to counts
+ iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0);
+ iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1);
+ eob = _mm_and_si128(iscan0, nzero_coeff0);
+ eob1 = _mm_and_si128(iscan1, nzero_coeff1);
+ eob = _mm_max_epi16(eob, eob1);
+ }
+ n_coeffs += 8 * 2;
+ }
+
+ // AC only loop
+ index = 2;
+ while (n_coeffs < 0) {+ __m128i coeff0, coeff1;
+ {+ __m128i coeff0_sign, coeff1_sign;
+ __m128i qcoeff0, qcoeff1;
+ __m128i qtmp0, qtmp1;
+
+ assert(index < (int)(sizeof(in) / sizeof(in[0])) - 1);
+ coeff0 = *in[index];
+ coeff1 = *in[index + 1];
+
+ // Poor man's sign extract
+ coeff0_sign = _mm_srai_epi16(coeff0, 15);
+ coeff1_sign = _mm_srai_epi16(coeff1, 15);
+ qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
+ qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
+ qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
+ qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
+
+ qcoeff0 = _mm_adds_epi16(qcoeff0, round);
+ qcoeff1 = _mm_adds_epi16(qcoeff1, round);
+ qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
+ qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
+
+ // Reinsert signs
+ qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign);
+ qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign);
+ qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
+ qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
+
+ _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0);
+ _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1);
+
+ coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
+ coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
+
+ _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0);
+ _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1);
+ }
+
+ {+ // Scan for eob
+ __m128i zero_coeff0, zero_coeff1;
+ __m128i nzero_coeff0, nzero_coeff1;
+ __m128i iscan0, iscan1;
+ __m128i eob0, eob1;
+ zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
+ zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
+ nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero);
+ nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero);
+ iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs));
+ iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1);
+ // Add one to convert from indices to counts
+ iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0);
+ iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1);
+ eob0 = _mm_and_si128(iscan0, nzero_coeff0);
+ eob1 = _mm_and_si128(iscan1, nzero_coeff1);
+ eob0 = _mm_max_epi16(eob0, eob1);
+ eob = _mm_max_epi16(eob, eob0);
+ }
+ n_coeffs += 8 * 2;
+ index += 2;
+ }
+
+ // Accumulate EOB
+ {+ __m128i eob_shuffled;
+ eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
+ eob = _mm_max_epi16(eob, eob_shuffled);
+ eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
+ eob = _mm_max_epi16(eob, eob_shuffled);
+ eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
+ eob = _mm_max_epi16(eob, eob_shuffled);
+ *eob_ptr = _mm_extract_epi16(eob, 1);
+ }
+ } else {+ do {+ _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), zero);
+ _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, zero);
+ _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), zero);
+ _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, zero);
+ n_coeffs += 8 * 2;
+ } while (n_coeffs < 0);
+ *eob_ptr = 0;
+ }
+}
+
+// load 8x8 array
+static INLINE void load_buffer_8x8(const int16_t *input, __m128i *in,
+ int stride) {+ in[0] = _mm_load_si128((const __m128i *)(input + 0 * stride));
+ in[1] = _mm_load_si128((const __m128i *)(input + 1 * stride));
+ in[2] = _mm_load_si128((const __m128i *)(input + 2 * stride));
+ in[3] = _mm_load_si128((const __m128i *)(input + 3 * stride));
+ in[4] = _mm_load_si128((const __m128i *)(input + 4 * stride));
+ in[5] = _mm_load_si128((const __m128i *)(input + 5 * stride));
+ in[6] = _mm_load_si128((const __m128i *)(input + 6 * stride));
+ in[7] = _mm_load_si128((const __m128i *)(input + 7 * stride));
+
+ in[0] = _mm_slli_epi16(in[0], 2);
+ in[1] = _mm_slli_epi16(in[1], 2);
+ in[2] = _mm_slli_epi16(in[2], 2);
+ in[3] = _mm_slli_epi16(in[3], 2);
+ in[4] = _mm_slli_epi16(in[4], 2);
+ in[5] = _mm_slli_epi16(in[5], 2);
+ in[6] = _mm_slli_epi16(in[6], 2);
+ in[7] = _mm_slli_epi16(in[7], 2);
+}
+
+// right shift and rounding
+static INLINE void right_shift_8x8(__m128i *res, const int bit) {+ __m128i sign0 = _mm_srai_epi16(res[0], 15);
+ __m128i sign1 = _mm_srai_epi16(res[1], 15);
+ __m128i sign2 = _mm_srai_epi16(res[2], 15);
+ __m128i sign3 = _mm_srai_epi16(res[3], 15);
+ __m128i sign4 = _mm_srai_epi16(res[4], 15);
+ __m128i sign5 = _mm_srai_epi16(res[5], 15);
+ __m128i sign6 = _mm_srai_epi16(res[6], 15);
+ __m128i sign7 = _mm_srai_epi16(res[7], 15);
+
+ if (bit == 2) {+ const __m128i const_rounding = _mm_set1_epi16(1);
+ res[0] = _mm_add_epi16(res[0], const_rounding);
+ res[1] = _mm_add_epi16(res[1], const_rounding);
+ res[2] = _mm_add_epi16(res[2], const_rounding);
+ res[3] = _mm_add_epi16(res[3], const_rounding);
+ res[4] = _mm_add_epi16(res[4], const_rounding);
+ res[5] = _mm_add_epi16(res[5], const_rounding);
+ res[6] = _mm_add_epi16(res[6], const_rounding);
+ res[7] = _mm_add_epi16(res[7], const_rounding);
+ }
+
+ res[0] = _mm_sub_epi16(res[0], sign0);
+ res[1] = _mm_sub_epi16(res[1], sign1);
+ res[2] = _mm_sub_epi16(res[2], sign2);
+ res[3] = _mm_sub_epi16(res[3], sign3);
+ res[4] = _mm_sub_epi16(res[4], sign4);
+ res[5] = _mm_sub_epi16(res[5], sign5);
+ res[6] = _mm_sub_epi16(res[6], sign6);
+ res[7] = _mm_sub_epi16(res[7], sign7);
+
+ if (bit == 1) {+ res[0] = _mm_srai_epi16(res[0], 1);
+ res[1] = _mm_srai_epi16(res[1], 1);
+ res[2] = _mm_srai_epi16(res[2], 1);
+ res[3] = _mm_srai_epi16(res[3], 1);
+ res[4] = _mm_srai_epi16(res[4], 1);
+ res[5] = _mm_srai_epi16(res[5], 1);
+ res[6] = _mm_srai_epi16(res[6], 1);
+ res[7] = _mm_srai_epi16(res[7], 1);
+ } else {+ res[0] = _mm_srai_epi16(res[0], 2);
+ res[1] = _mm_srai_epi16(res[1], 2);
+ res[2] = _mm_srai_epi16(res[2], 2);
+ res[3] = _mm_srai_epi16(res[3], 2);
+ res[4] = _mm_srai_epi16(res[4], 2);
+ res[5] = _mm_srai_epi16(res[5], 2);
+ res[6] = _mm_srai_epi16(res[6], 2);
+ res[7] = _mm_srai_epi16(res[7], 2);
+ }
+}
+
+// write 8x8 array
+static INLINE void write_buffer_8x8(tran_low_t *output, __m128i *res,
+ int stride) {+ store_output(&res[0], (output + 0 * stride));
+ store_output(&res[1], (output + 1 * stride));
+ store_output(&res[2], (output + 2 * stride));
+ store_output(&res[3], (output + 3 * stride));
+ store_output(&res[4], (output + 4 * stride));
+ store_output(&res[5], (output + 5 * stride));
+ store_output(&res[6], (output + 6 * stride));
+ store_output(&res[7], (output + 7 * stride));
+}
+
+// perform in-place transpose
+static INLINE void array_transpose_8x8(__m128i *in, __m128i *res) {+ const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]);
+ const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]);
+ const __m128i tr0_2 = _mm_unpackhi_epi16(in[0], in[1]);
+ const __m128i tr0_3 = _mm_unpackhi_epi16(in[2], in[3]);
+ const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]);
+ const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]);
+ const __m128i tr0_6 = _mm_unpackhi_epi16(in[4], in[5]);
+ const __m128i tr0_7 = _mm_unpackhi_epi16(in[6], in[7]);
+ // 00 10 01 11 02 12 03 13
+ // 20 30 21 31 22 32 23 33
+ // 04 14 05 15 06 16 07 17
+ // 24 34 25 35 26 36 27 37
+ // 40 50 41 51 42 52 43 53
+ // 60 70 61 71 62 72 63 73
+ // 44 54 45 55 46 56 47 57
+ // 64 74 65 75 66 76 67 77
+ const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
+ const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_4, tr0_5);
+ const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
+ const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_4, tr0_5);
+ const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_2, tr0_3);
+ const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7);
+ const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_2, tr0_3);
+ const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7);
+ // 00 10 20 30 01 11 21 31
+ // 40 50 60 70 41 51 61 71
+ // 02 12 22 32 03 13 23 33
+ // 42 52 62 72 43 53 63 73
+ // 04 14 24 34 05 15 25 35
+ // 44 54 64 74 45 55 65 75
+ // 06 16 26 36 07 17 27 37
+ // 46 56 66 76 47 57 67 77
+ res[0] = _mm_unpacklo_epi64(tr1_0, tr1_1);
+ res[1] = _mm_unpackhi_epi64(tr1_0, tr1_1);
+ res[2] = _mm_unpacklo_epi64(tr1_2, tr1_3);
+ res[3] = _mm_unpackhi_epi64(tr1_2, tr1_3);
+ res[4] = _mm_unpacklo_epi64(tr1_4, tr1_5);
+ res[5] = _mm_unpackhi_epi64(tr1_4, tr1_5);
+ res[6] = _mm_unpacklo_epi64(tr1_6, tr1_7);
+ res[7] = _mm_unpackhi_epi64(tr1_6, tr1_7);
+ // 00 10 20 30 40 50 60 70
+ // 01 11 21 31 41 51 61 71
+ // 02 12 22 32 42 52 62 72
+ // 03 13 23 33 43 53 63 73
+ // 04 14 24 34 44 54 64 74
+ // 05 15 25 35 45 55 65 75
+ // 06 16 26 36 46 56 66 76
+ // 07 17 27 37 47 57 67 77
+}
+
+static void fdct8_sse2(__m128i *in) {+ // constants
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64);
+ const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
+ const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ __m128i u0, u1, u2, u3, u4, u5, u6, u7;
+ __m128i v0, v1, v2, v3, v4, v5, v6, v7;
+ __m128i s0, s1, s2, s3, s4, s5, s6, s7;
+
+ // stage 1
+ s0 = _mm_add_epi16(in[0], in[7]);
+ s1 = _mm_add_epi16(in[1], in[6]);
+ s2 = _mm_add_epi16(in[2], in[5]);
+ s3 = _mm_add_epi16(in[3], in[4]);
+ s4 = _mm_sub_epi16(in[3], in[4]);
+ s5 = _mm_sub_epi16(in[2], in[5]);
+ s6 = _mm_sub_epi16(in[1], in[6]);
+ s7 = _mm_sub_epi16(in[0], in[7]);
+
+ u0 = _mm_add_epi16(s0, s3);
+ u1 = _mm_add_epi16(s1, s2);
+ u2 = _mm_sub_epi16(s1, s2);
+ u3 = _mm_sub_epi16(s0, s3);
+ // interleave and perform butterfly multiplication/addition
+ v0 = _mm_unpacklo_epi16(u0, u1);
+ v1 = _mm_unpackhi_epi16(u0, u1);
+ v2 = _mm_unpacklo_epi16(u2, u3);
+ v3 = _mm_unpackhi_epi16(u2, u3);
+
+ u0 = _mm_madd_epi16(v0, k__cospi_p16_p16);
+ u1 = _mm_madd_epi16(v1, k__cospi_p16_p16);
+ u2 = _mm_madd_epi16(v0, k__cospi_p16_m16);
+ u3 = _mm_madd_epi16(v1, k__cospi_p16_m16);
+ u4 = _mm_madd_epi16(v2, k__cospi_p24_p08);
+ u5 = _mm_madd_epi16(v3, k__cospi_p24_p08);
+ u6 = _mm_madd_epi16(v2, k__cospi_m08_p24);
+ u7 = _mm_madd_epi16(v3, k__cospi_m08_p24);
+
+ // shift and rounding
+ v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING);
+ v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING);
+ v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING);
+ v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING);
+ v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING);
+ v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING);
+ v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING);
+ v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING);
+
+ u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
+ u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
+ u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
+ u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
+ u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
+ u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
+ u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
+ u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
+
+ in[0] = _mm_packs_epi32(u0, u1);
+ in[2] = _mm_packs_epi32(u4, u5);
+ in[4] = _mm_packs_epi32(u2, u3);
+ in[6] = _mm_packs_epi32(u6, u7);
+
+ // stage 2
+ // interleave and perform butterfly multiplication/addition
+ u0 = _mm_unpacklo_epi16(s6, s5);
+ u1 = _mm_unpackhi_epi16(s6, s5);
+ v0 = _mm_madd_epi16(u0, k__cospi_p16_m16);
+ v1 = _mm_madd_epi16(u1, k__cospi_p16_m16);
+ v2 = _mm_madd_epi16(u0, k__cospi_p16_p16);
+ v3 = _mm_madd_epi16(u1, k__cospi_p16_p16);
+
+ // shift and rounding
+ u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
+ u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
+ u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
+ u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
+
+ v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
+ v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
+ v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
+ v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
+
+ u0 = _mm_packs_epi32(v0, v1);
+ u1 = _mm_packs_epi32(v2, v3);
+
+ // stage 3
+ s0 = _mm_add_epi16(s4, u0);
+ s1 = _mm_sub_epi16(s4, u0);
+ s2 = _mm_sub_epi16(s7, u1);
+ s3 = _mm_add_epi16(s7, u1);
+
+ // stage 4
+ u0 = _mm_unpacklo_epi16(s0, s3);
+ u1 = _mm_unpackhi_epi16(s0, s3);
+ u2 = _mm_unpacklo_epi16(s1, s2);
+ u3 = _mm_unpackhi_epi16(s1, s2);
+
+ v0 = _mm_madd_epi16(u0, k__cospi_p28_p04);
+ v1 = _mm_madd_epi16(u1, k__cospi_p28_p04);
+ v2 = _mm_madd_epi16(u2, k__cospi_p12_p20);
+ v3 = _mm_madd_epi16(u3, k__cospi_p12_p20);
+ v4 = _mm_madd_epi16(u2, k__cospi_m20_p12);
+ v5 = _mm_madd_epi16(u3, k__cospi_m20_p12);
+ v6 = _mm_madd_epi16(u0, k__cospi_m04_p28);
+ v7 = _mm_madd_epi16(u1, k__cospi_m04_p28);
+
+ // shift and rounding
+ u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
+ u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
+ u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
+ u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
+ u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING);
+ u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING);
+ u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING);
+ u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING);
+
+ v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
+ v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
+ v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
+ v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
+ v4 = _mm_srai_epi32(u4, DCT_CONST_BITS);
+ v5 = _mm_srai_epi32(u5, DCT_CONST_BITS);
+ v6 = _mm_srai_epi32(u6, DCT_CONST_BITS);
+ v7 = _mm_srai_epi32(u7, DCT_CONST_BITS);
+
+ in[1] = _mm_packs_epi32(v0, v1);
+ in[3] = _mm_packs_epi32(v4, v5);
+ in[5] = _mm_packs_epi32(v2, v3);
+ in[7] = _mm_packs_epi32(v6, v7);
+
+ // transpose
+ array_transpose_8x8(in, in);
+}
+
+static void fadst8_sse2(__m128i *in) {+ // Constants
+ const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
+ const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
+ const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
+ const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
+ const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
+ const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__const_0 = _mm_set1_epi16(0);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+
+ __m128i u0, u1, u2, u3, u4, u5, u6, u7, u8, u9, u10, u11, u12, u13, u14, u15;
+ __m128i v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15;
+ __m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
+ __m128i s0, s1, s2, s3, s4, s5, s6, s7;
+ __m128i in0, in1, in2, in3, in4, in5, in6, in7;
+
+ // properly aligned for butterfly input
+ in0 = in[7];
+ in1 = in[0];
+ in2 = in[5];
+ in3 = in[2];
+ in4 = in[3];
+ in5 = in[4];
+ in6 = in[1];
+ in7 = in[6];
+
+ // column transformation
+ // stage 1
+ // interleave and multiply/add into 32-bit integer
+ s0 = _mm_unpacklo_epi16(in0, in1);
+ s1 = _mm_unpackhi_epi16(in0, in1);
+ s2 = _mm_unpacklo_epi16(in2, in3);
+ s3 = _mm_unpackhi_epi16(in2, in3);
+ s4 = _mm_unpacklo_epi16(in4, in5);
+ s5 = _mm_unpackhi_epi16(in4, in5);
+ s6 = _mm_unpacklo_epi16(in6, in7);
+ s7 = _mm_unpackhi_epi16(in6, in7);
+
+ u0 = _mm_madd_epi16(s0, k__cospi_p02_p30);
+ u1 = _mm_madd_epi16(s1, k__cospi_p02_p30);
+ u2 = _mm_madd_epi16(s0, k__cospi_p30_m02);
+ u3 = _mm_madd_epi16(s1, k__cospi_p30_m02);
+ u4 = _mm_madd_epi16(s2, k__cospi_p10_p22);
+ u5 = _mm_madd_epi16(s3, k__cospi_p10_p22);
+ u6 = _mm_madd_epi16(s2, k__cospi_p22_m10);
+ u7 = _mm_madd_epi16(s3, k__cospi_p22_m10);
+ u8 = _mm_madd_epi16(s4, k__cospi_p18_p14);
+ u9 = _mm_madd_epi16(s5, k__cospi_p18_p14);
+ u10 = _mm_madd_epi16(s4, k__cospi_p14_m18);
+ u11 = _mm_madd_epi16(s5, k__cospi_p14_m18);
+ u12 = _mm_madd_epi16(s6, k__cospi_p26_p06);
+ u13 = _mm_madd_epi16(s7, k__cospi_p26_p06);
+ u14 = _mm_madd_epi16(s6, k__cospi_p06_m26);
+ u15 = _mm_madd_epi16(s7, k__cospi_p06_m26);
+
+ // addition
+ w0 = _mm_add_epi32(u0, u8);
+ w1 = _mm_add_epi32(u1, u9);
+ w2 = _mm_add_epi32(u2, u10);
+ w3 = _mm_add_epi32(u3, u11);
+ w4 = _mm_add_epi32(u4, u12);
+ w5 = _mm_add_epi32(u5, u13);
+ w6 = _mm_add_epi32(u6, u14);
+ w7 = _mm_add_epi32(u7, u15);
+ w8 = _mm_sub_epi32(u0, u8);
+ w9 = _mm_sub_epi32(u1, u9);
+ w10 = _mm_sub_epi32(u2, u10);
+ w11 = _mm_sub_epi32(u3, u11);
+ w12 = _mm_sub_epi32(u4, u12);
+ w13 = _mm_sub_epi32(u5, u13);
+ w14 = _mm_sub_epi32(u6, u14);
+ w15 = _mm_sub_epi32(u7, u15);
+
+ // shift and rounding
+ v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
+ v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
+ v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
+ v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
+ v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
+ v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
+ v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
+ v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
+ v8 = _mm_add_epi32(w8, k__DCT_CONST_ROUNDING);
+ v9 = _mm_add_epi32(w9, k__DCT_CONST_ROUNDING);
+ v10 = _mm_add_epi32(w10, k__DCT_CONST_ROUNDING);
+ v11 = _mm_add_epi32(w11, k__DCT_CONST_ROUNDING);
+ v12 = _mm_add_epi32(w12, k__DCT_CONST_ROUNDING);
+ v13 = _mm_add_epi32(w13, k__DCT_CONST_ROUNDING);
+ v14 = _mm_add_epi32(w14, k__DCT_CONST_ROUNDING);
+ v15 = _mm_add_epi32(w15, k__DCT_CONST_ROUNDING);
+
+ u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
+ u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
+ u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
+ u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
+ u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
+ u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
+ u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
+ u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
+ u8 = _mm_srai_epi32(v8, DCT_CONST_BITS);
+ u9 = _mm_srai_epi32(v9, DCT_CONST_BITS);
+ u10 = _mm_srai_epi32(v10, DCT_CONST_BITS);
+ u11 = _mm_srai_epi32(v11, DCT_CONST_BITS);
+ u12 = _mm_srai_epi32(v12, DCT_CONST_BITS);
+ u13 = _mm_srai_epi32(v13, DCT_CONST_BITS);
+ u14 = _mm_srai_epi32(v14, DCT_CONST_BITS);
+ u15 = _mm_srai_epi32(v15, DCT_CONST_BITS);
+
+ // back to 16-bit and pack 8 integers into __m128i
+ in[0] = _mm_packs_epi32(u0, u1);
+ in[1] = _mm_packs_epi32(u2, u3);
+ in[2] = _mm_packs_epi32(u4, u5);
+ in[3] = _mm_packs_epi32(u6, u7);
+ in[4] = _mm_packs_epi32(u8, u9);
+ in[5] = _mm_packs_epi32(u10, u11);
+ in[6] = _mm_packs_epi32(u12, u13);
+ in[7] = _mm_packs_epi32(u14, u15);
+
+ // stage 2
+ s0 = _mm_add_epi16(in[0], in[2]);
+ s1 = _mm_add_epi16(in[1], in[3]);
+ s2 = _mm_sub_epi16(in[0], in[2]);
+ s3 = _mm_sub_epi16(in[1], in[3]);
+ u0 = _mm_unpacklo_epi16(in[4], in[5]);
+ u1 = _mm_unpackhi_epi16(in[4], in[5]);
+ u2 = _mm_unpacklo_epi16(in[6], in[7]);
+ u3 = _mm_unpackhi_epi16(in[6], in[7]);
+
+ v0 = _mm_madd_epi16(u0, k__cospi_p08_p24);
+ v1 = _mm_madd_epi16(u1, k__cospi_p08_p24);
+ v2 = _mm_madd_epi16(u0, k__cospi_p24_m08);
+ v3 = _mm_madd_epi16(u1, k__cospi_p24_m08);
+ v4 = _mm_madd_epi16(u2, k__cospi_m24_p08);
+ v5 = _mm_madd_epi16(u3, k__cospi_m24_p08);
+ v6 = _mm_madd_epi16(u2, k__cospi_p08_p24);
+ v7 = _mm_madd_epi16(u3, k__cospi_p08_p24);
+
+ w0 = _mm_add_epi32(v0, v4);
+ w1 = _mm_add_epi32(v1, v5);
+ w2 = _mm_add_epi32(v2, v6);
+ w3 = _mm_add_epi32(v3, v7);
+ w4 = _mm_sub_epi32(v0, v4);
+ w5 = _mm_sub_epi32(v1, v5);
+ w6 = _mm_sub_epi32(v2, v6);
+ w7 = _mm_sub_epi32(v3, v7);
+
+ v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
+ v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
+ v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
+ v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
+ v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
+ v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
+ v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
+ v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
+
+ u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
+ u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
+ u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
+ u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
+ u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
+ u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
+ u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
+ u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
+
+ // back to 16-bit intergers
+ s4 = _mm_packs_epi32(u0, u1);
+ s5 = _mm_packs_epi32(u2, u3);
+ s6 = _mm_packs_epi32(u4, u5);
+ s7 = _mm_packs_epi32(u6, u7);
+
+ // stage 3
+ u0 = _mm_unpacklo_epi16(s2, s3);
+ u1 = _mm_unpackhi_epi16(s2, s3);
+ u2 = _mm_unpacklo_epi16(s6, s7);
+ u3 = _mm_unpackhi_epi16(s6, s7);
+
+ v0 = _mm_madd_epi16(u0, k__cospi_p16_p16);
+ v1 = _mm_madd_epi16(u1, k__cospi_p16_p16);
+ v2 = _mm_madd_epi16(u0, k__cospi_p16_m16);
+ v3 = _mm_madd_epi16(u1, k__cospi_p16_m16);
+ v4 = _mm_madd_epi16(u2, k__cospi_p16_p16);
+ v5 = _mm_madd_epi16(u3, k__cospi_p16_p16);
+ v6 = _mm_madd_epi16(u2, k__cospi_p16_m16);
+ v7 = _mm_madd_epi16(u3, k__cospi_p16_m16);
+
+ u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
+ u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
+ u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
+ u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
+ u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING);
+ u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING);
+ u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING);
+ u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING);
+
+ v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
+ v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
+ v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
+ v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
+ v4 = _mm_srai_epi32(u4, DCT_CONST_BITS);
+ v5 = _mm_srai_epi32(u5, DCT_CONST_BITS);
+ v6 = _mm_srai_epi32(u6, DCT_CONST_BITS);
+ v7 = _mm_srai_epi32(u7, DCT_CONST_BITS);
+
+ s2 = _mm_packs_epi32(v0, v1);
+ s3 = _mm_packs_epi32(v2, v3);
+ s6 = _mm_packs_epi32(v4, v5);
+ s7 = _mm_packs_epi32(v6, v7);
+
+ // FIXME(jingning): do subtract using bit inversion?
+ in[0] = s0;
+ in[1] = _mm_sub_epi16(k__const_0, s4);
+ in[2] = s6;
+ in[3] = _mm_sub_epi16(k__const_0, s2);
+ in[4] = s3;
+ in[5] = _mm_sub_epi16(k__const_0, s7);
+ in[6] = s5;
+ in[7] = _mm_sub_epi16(k__const_0, s1);
+
+ // transpose
+ array_transpose_8x8(in, in);
+}
+
+void vp9_fht8x8_sse2(const int16_t *input, tran_low_t *output,
+ int stride, int tx_type) {+ __m128i in[8];
+
+ switch (tx_type) {+ case DCT_DCT:
+ vpx_fdct8x8_sse2(input, output, stride);
+ break;
+ case ADST_DCT:
+ load_buffer_8x8(input, in, stride);
+ fadst8_sse2(in);
+ fdct8_sse2(in);
+ right_shift_8x8(in, 1);
+ write_buffer_8x8(output, in, 8);
+ break;
+ case DCT_ADST:
+ load_buffer_8x8(input, in, stride);
+ fdct8_sse2(in);
+ fadst8_sse2(in);
+ right_shift_8x8(in, 1);
+ write_buffer_8x8(output, in, 8);
+ break;
+ case ADST_ADST:
+ load_buffer_8x8(input, in, stride);
+ fadst8_sse2(in);
+ fadst8_sse2(in);
+ right_shift_8x8(in, 1);
+ write_buffer_8x8(output, in, 8);
+ break;
+ default:
+ assert(0);
+ break;
+ }
+}
+
+static INLINE void load_buffer_16x16(const int16_t* input, __m128i *in0,
+ __m128i *in1, int stride) {+ // load first 8 columns
+ load_buffer_8x8(input, in0, stride);
+ load_buffer_8x8(input + 8 * stride, in0 + 8, stride);
+
+ input += 8;
+ // load second 8 columns
+ load_buffer_8x8(input, in1, stride);
+ load_buffer_8x8(input + 8 * stride, in1 + 8, stride);
+}
+
+static INLINE void write_buffer_16x16(tran_low_t *output, __m128i *in0,
+ __m128i *in1, int stride) {+ // write first 8 columns
+ write_buffer_8x8(output, in0, stride);
+ write_buffer_8x8(output + 8 * stride, in0 + 8, stride);
+ // write second 8 columns
+ output += 8;
+ write_buffer_8x8(output, in1, stride);
+ write_buffer_8x8(output + 8 * stride, in1 + 8, stride);
+}
+
+static INLINE void array_transpose_16x16(__m128i *res0, __m128i *res1) {+ __m128i tbuf[8];
+ array_transpose_8x8(res0, res0);
+ array_transpose_8x8(res1, tbuf);
+ array_transpose_8x8(res0 + 8, res1);
+ array_transpose_8x8(res1 + 8, res1 + 8);
+
+ res0[8] = tbuf[0];
+ res0[9] = tbuf[1];
+ res0[10] = tbuf[2];
+ res0[11] = tbuf[3];
+ res0[12] = tbuf[4];
+ res0[13] = tbuf[5];
+ res0[14] = tbuf[6];
+ res0[15] = tbuf[7];
+}
+
+static INLINE void right_shift_16x16(__m128i *res0, __m128i *res1) {+ // perform rounding operations
+ right_shift_8x8(res0, 2);
+ right_shift_8x8(res0 + 8, 2);
+ right_shift_8x8(res1, 2);
+ right_shift_8x8(res1 + 8, 2);
+}
+
+static void fdct16_8col(__m128i *in) {+ // perform 16x16 1-D DCT for 8 columns
+ __m128i i[8], s[8], p[8], t[8], u[16], v[16];
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+ const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_p08_m24 = pair_set_epi16(cospi_8_64, -cospi_24_64);
+ const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64);
+ const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
+ const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i k__cospi_p30_p02 = pair_set_epi16(cospi_30_64, cospi_2_64);
+ const __m128i k__cospi_p14_p18 = pair_set_epi16(cospi_14_64, cospi_18_64);
+ const __m128i k__cospi_m02_p30 = pair_set_epi16(-cospi_2_64, cospi_30_64);
+ const __m128i k__cospi_m18_p14 = pair_set_epi16(-cospi_18_64, cospi_14_64);
+ const __m128i k__cospi_p22_p10 = pair_set_epi16(cospi_22_64, cospi_10_64);
+ const __m128i k__cospi_p06_p26 = pair_set_epi16(cospi_6_64, cospi_26_64);
+ const __m128i k__cospi_m10_p22 = pair_set_epi16(-cospi_10_64, cospi_22_64);
+ const __m128i k__cospi_m26_p06 = pair_set_epi16(-cospi_26_64, cospi_6_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+
+ // stage 1
+ i[0] = _mm_add_epi16(in[0], in[15]);
+ i[1] = _mm_add_epi16(in[1], in[14]);
+ i[2] = _mm_add_epi16(in[2], in[13]);
+ i[3] = _mm_add_epi16(in[3], in[12]);
+ i[4] = _mm_add_epi16(in[4], in[11]);
+ i[5] = _mm_add_epi16(in[5], in[10]);
+ i[6] = _mm_add_epi16(in[6], in[9]);
+ i[7] = _mm_add_epi16(in[7], in[8]);
+
+ s[0] = _mm_sub_epi16(in[7], in[8]);
+ s[1] = _mm_sub_epi16(in[6], in[9]);
+ s[2] = _mm_sub_epi16(in[5], in[10]);
+ s[3] = _mm_sub_epi16(in[4], in[11]);
+ s[4] = _mm_sub_epi16(in[3], in[12]);
+ s[5] = _mm_sub_epi16(in[2], in[13]);
+ s[6] = _mm_sub_epi16(in[1], in[14]);
+ s[7] = _mm_sub_epi16(in[0], in[15]);
+
+ p[0] = _mm_add_epi16(i[0], i[7]);
+ p[1] = _mm_add_epi16(i[1], i[6]);
+ p[2] = _mm_add_epi16(i[2], i[5]);
+ p[3] = _mm_add_epi16(i[3], i[4]);
+ p[4] = _mm_sub_epi16(i[3], i[4]);
+ p[5] = _mm_sub_epi16(i[2], i[5]);
+ p[6] = _mm_sub_epi16(i[1], i[6]);
+ p[7] = _mm_sub_epi16(i[0], i[7]);
+
+ u[0] = _mm_add_epi16(p[0], p[3]);
+ u[1] = _mm_add_epi16(p[1], p[2]);
+ u[2] = _mm_sub_epi16(p[1], p[2]);
+ u[3] = _mm_sub_epi16(p[0], p[3]);
+
+ v[0] = _mm_unpacklo_epi16(u[0], u[1]);
+ v[1] = _mm_unpackhi_epi16(u[0], u[1]);
+ v[2] = _mm_unpacklo_epi16(u[2], u[3]);
+ v[3] = _mm_unpackhi_epi16(u[2], u[3]);
+
+ u[0] = _mm_madd_epi16(v[0], k__cospi_p16_p16);
+ u[1] = _mm_madd_epi16(v[1], k__cospi_p16_p16);
+ u[2] = _mm_madd_epi16(v[0], k__cospi_p16_m16);
+ u[3] = _mm_madd_epi16(v[1], k__cospi_p16_m16);
+ u[4] = _mm_madd_epi16(v[2], k__cospi_p24_p08);
+ u[5] = _mm_madd_epi16(v[3], k__cospi_p24_p08);
+ u[6] = _mm_madd_epi16(v[2], k__cospi_m08_p24);
+ u[7] = _mm_madd_epi16(v[3], k__cospi_m08_p24);
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
+ v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
+ v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+ v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+ u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
+ u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
+ u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
+ u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
+
+ in[0] = _mm_packs_epi32(u[0], u[1]);
+ in[4] = _mm_packs_epi32(u[4], u[5]);
+ in[8] = _mm_packs_epi32(u[2], u[3]);
+ in[12] = _mm_packs_epi32(u[6], u[7]);
+
+ u[0] = _mm_unpacklo_epi16(p[5], p[6]);
+ u[1] = _mm_unpackhi_epi16(p[5], p[6]);
+ v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+
+ u[0] = _mm_packs_epi32(v[0], v[1]);
+ u[1] = _mm_packs_epi32(v[2], v[3]);
+
+ t[0] = _mm_add_epi16(p[4], u[0]);
+ t[1] = _mm_sub_epi16(p[4], u[0]);
+ t[2] = _mm_sub_epi16(p[7], u[1]);
+ t[3] = _mm_add_epi16(p[7], u[1]);
+
+ u[0] = _mm_unpacklo_epi16(t[0], t[3]);
+ u[1] = _mm_unpackhi_epi16(t[0], t[3]);
+ u[2] = _mm_unpacklo_epi16(t[1], t[2]);
+ u[3] = _mm_unpackhi_epi16(t[1], t[2]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p28_p04);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p28_p04);
+ v[2] = _mm_madd_epi16(u[2], k__cospi_p12_p20);
+ v[3] = _mm_madd_epi16(u[3], k__cospi_p12_p20);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_m20_p12);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_m20_p12);
+ v[6] = _mm_madd_epi16(u[0], k__cospi_m04_p28);
+ v[7] = _mm_madd_epi16(u[1], k__cospi_m04_p28);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+
+ in[2] = _mm_packs_epi32(v[0], v[1]);
+ in[6] = _mm_packs_epi32(v[4], v[5]);
+ in[10] = _mm_packs_epi32(v[2], v[3]);
+ in[14] = _mm_packs_epi32(v[6], v[7]);
+
+ // stage 2
+ u[0] = _mm_unpacklo_epi16(s[2], s[5]);
+ u[1] = _mm_unpackhi_epi16(s[2], s[5]);
+ u[2] = _mm_unpacklo_epi16(s[3], s[4]);
+ u[3] = _mm_unpackhi_epi16(s[3], s[4]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
+ v[2] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
+ v[3] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
+ v[6] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
+ v[7] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+
+ t[2] = _mm_packs_epi32(v[0], v[1]);
+ t[3] = _mm_packs_epi32(v[2], v[3]);
+ t[4] = _mm_packs_epi32(v[4], v[5]);
+ t[5] = _mm_packs_epi32(v[6], v[7]);
+
+ // stage 3
+ p[0] = _mm_add_epi16(s[0], t[3]);
+ p[1] = _mm_add_epi16(s[1], t[2]);
+ p[2] = _mm_sub_epi16(s[1], t[2]);
+ p[3] = _mm_sub_epi16(s[0], t[3]);
+ p[4] = _mm_sub_epi16(s[7], t[4]);
+ p[5] = _mm_sub_epi16(s[6], t[5]);
+ p[6] = _mm_add_epi16(s[6], t[5]);
+ p[7] = _mm_add_epi16(s[7], t[4]);
+
+ // stage 4
+ u[0] = _mm_unpacklo_epi16(p[1], p[6]);
+ u[1] = _mm_unpackhi_epi16(p[1], p[6]);
+ u[2] = _mm_unpacklo_epi16(p[2], p[5]);
+ u[3] = _mm_unpackhi_epi16(p[2], p[5]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_m08_p24);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_m08_p24);
+ v[2] = _mm_madd_epi16(u[2], k__cospi_p24_p08);
+ v[3] = _mm_madd_epi16(u[3], k__cospi_p24_p08);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p08_m24);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p08_m24);
+ v[6] = _mm_madd_epi16(u[0], k__cospi_p24_p08);
+ v[7] = _mm_madd_epi16(u[1], k__cospi_p24_p08);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+
+ t[1] = _mm_packs_epi32(v[0], v[1]);
+ t[2] = _mm_packs_epi32(v[2], v[3]);
+ t[5] = _mm_packs_epi32(v[4], v[5]);
+ t[6] = _mm_packs_epi32(v[6], v[7]);
+
+ // stage 5
+ s[0] = _mm_add_epi16(p[0], t[1]);
+ s[1] = _mm_sub_epi16(p[0], t[1]);
+ s[2] = _mm_add_epi16(p[3], t[2]);
+ s[3] = _mm_sub_epi16(p[3], t[2]);
+ s[4] = _mm_sub_epi16(p[4], t[5]);
+ s[5] = _mm_add_epi16(p[4], t[5]);
+ s[6] = _mm_sub_epi16(p[7], t[6]);
+ s[7] = _mm_add_epi16(p[7], t[6]);
+
+ // stage 6
+ u[0] = _mm_unpacklo_epi16(s[0], s[7]);
+ u[1] = _mm_unpackhi_epi16(s[0], s[7]);
+ u[2] = _mm_unpacklo_epi16(s[1], s[6]);
+ u[3] = _mm_unpackhi_epi16(s[1], s[6]);
+ u[4] = _mm_unpacklo_epi16(s[2], s[5]);
+ u[5] = _mm_unpackhi_epi16(s[2], s[5]);
+ u[6] = _mm_unpacklo_epi16(s[3], s[4]);
+ u[7] = _mm_unpackhi_epi16(s[3], s[4]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p30_p02);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p30_p02);
+ v[2] = _mm_madd_epi16(u[2], k__cospi_p14_p18);
+ v[3] = _mm_madd_epi16(u[3], k__cospi_p14_p18);
+ v[4] = _mm_madd_epi16(u[4], k__cospi_p22_p10);
+ v[5] = _mm_madd_epi16(u[5], k__cospi_p22_p10);
+ v[6] = _mm_madd_epi16(u[6], k__cospi_p06_p26);
+ v[7] = _mm_madd_epi16(u[7], k__cospi_p06_p26);
+ v[8] = _mm_madd_epi16(u[6], k__cospi_m26_p06);
+ v[9] = _mm_madd_epi16(u[7], k__cospi_m26_p06);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_m10_p22);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_m10_p22);
+ v[12] = _mm_madd_epi16(u[2], k__cospi_m18_p14);
+ v[13] = _mm_madd_epi16(u[3], k__cospi_m18_p14);
+ v[14] = _mm_madd_epi16(u[0], k__cospi_m02_p30);
+ v[15] = _mm_madd_epi16(u[1], k__cospi_m02_p30);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+ u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
+ u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
+ u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
+ u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
+ u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
+ u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
+ u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
+ u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+ v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
+ v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
+ v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
+ v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
+ v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
+ v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
+ v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
+ v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
+
+ in[1] = _mm_packs_epi32(v[0], v[1]);
+ in[9] = _mm_packs_epi32(v[2], v[3]);
+ in[5] = _mm_packs_epi32(v[4], v[5]);
+ in[13] = _mm_packs_epi32(v[6], v[7]);
+ in[3] = _mm_packs_epi32(v[8], v[9]);
+ in[11] = _mm_packs_epi32(v[10], v[11]);
+ in[7] = _mm_packs_epi32(v[12], v[13]);
+ in[15] = _mm_packs_epi32(v[14], v[15]);
+}
+
+static void fadst16_8col(__m128i *in) {+ // perform 16x16 1-D ADST for 8 columns
+ __m128i s[16], x[16], u[32], v[32];
+ const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64);
+ const __m128i k__cospi_p31_m01 = pair_set_epi16(cospi_31_64, -cospi_1_64);
+ const __m128i k__cospi_p05_p27 = pair_set_epi16(cospi_5_64, cospi_27_64);
+ const __m128i k__cospi_p27_m05 = pair_set_epi16(cospi_27_64, -cospi_5_64);
+ const __m128i k__cospi_p09_p23 = pair_set_epi16(cospi_9_64, cospi_23_64);
+ const __m128i k__cospi_p23_m09 = pair_set_epi16(cospi_23_64, -cospi_9_64);
+ const __m128i k__cospi_p13_p19 = pair_set_epi16(cospi_13_64, cospi_19_64);
+ const __m128i k__cospi_p19_m13 = pair_set_epi16(cospi_19_64, -cospi_13_64);
+ const __m128i k__cospi_p17_p15 = pair_set_epi16(cospi_17_64, cospi_15_64);
+ const __m128i k__cospi_p15_m17 = pair_set_epi16(cospi_15_64, -cospi_17_64);
+ const __m128i k__cospi_p21_p11 = pair_set_epi16(cospi_21_64, cospi_11_64);
+ const __m128i k__cospi_p11_m21 = pair_set_epi16(cospi_11_64, -cospi_21_64);
+ const __m128i k__cospi_p25_p07 = pair_set_epi16(cospi_25_64, cospi_7_64);
+ const __m128i k__cospi_p07_m25 = pair_set_epi16(cospi_7_64, -cospi_25_64);
+ const __m128i k__cospi_p29_p03 = pair_set_epi16(cospi_29_64, cospi_3_64);
+ const __m128i k__cospi_p03_m29 = pair_set_epi16(cospi_3_64, -cospi_29_64);
+ const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
+ const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
+ const __m128i k__cospi_m28_p04 = pair_set_epi16(-cospi_28_64, cospi_4_64);
+ const __m128i k__cospi_m12_p20 = pair_set_epi16(-cospi_12_64, cospi_20_64);
+ const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_m16_m16 = _mm_set1_epi16((int16_t)-cospi_16_64);
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i kZero = _mm_set1_epi16(0);
+
+ u[0] = _mm_unpacklo_epi16(in[15], in[0]);
+ u[1] = _mm_unpackhi_epi16(in[15], in[0]);
+ u[2] = _mm_unpacklo_epi16(in[13], in[2]);
+ u[3] = _mm_unpackhi_epi16(in[13], in[2]);
+ u[4] = _mm_unpacklo_epi16(in[11], in[4]);
+ u[5] = _mm_unpackhi_epi16(in[11], in[4]);
+ u[6] = _mm_unpacklo_epi16(in[9], in[6]);
+ u[7] = _mm_unpackhi_epi16(in[9], in[6]);
+ u[8] = _mm_unpacklo_epi16(in[7], in[8]);
+ u[9] = _mm_unpackhi_epi16(in[7], in[8]);
+ u[10] = _mm_unpacklo_epi16(in[5], in[10]);
+ u[11] = _mm_unpackhi_epi16(in[5], in[10]);
+ u[12] = _mm_unpacklo_epi16(in[3], in[12]);
+ u[13] = _mm_unpackhi_epi16(in[3], in[12]);
+ u[14] = _mm_unpacklo_epi16(in[1], in[14]);
+ u[15] = _mm_unpackhi_epi16(in[1], in[14]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p01_p31);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p01_p31);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p31_m01);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p31_m01);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p05_p27);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p05_p27);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p27_m05);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p27_m05);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_p09_p23);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_p09_p23);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p23_m09);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p23_m09);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_p13_p19);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_p13_p19);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p19_m13);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p19_m13);
+ v[16] = _mm_madd_epi16(u[8], k__cospi_p17_p15);
+ v[17] = _mm_madd_epi16(u[9], k__cospi_p17_p15);
+ v[18] = _mm_madd_epi16(u[8], k__cospi_p15_m17);
+ v[19] = _mm_madd_epi16(u[9], k__cospi_p15_m17);
+ v[20] = _mm_madd_epi16(u[10], k__cospi_p21_p11);
+ v[21] = _mm_madd_epi16(u[11], k__cospi_p21_p11);
+ v[22] = _mm_madd_epi16(u[10], k__cospi_p11_m21);
+ v[23] = _mm_madd_epi16(u[11], k__cospi_p11_m21);
+ v[24] = _mm_madd_epi16(u[12], k__cospi_p25_p07);
+ v[25] = _mm_madd_epi16(u[13], k__cospi_p25_p07);
+ v[26] = _mm_madd_epi16(u[12], k__cospi_p07_m25);
+ v[27] = _mm_madd_epi16(u[13], k__cospi_p07_m25);
+ v[28] = _mm_madd_epi16(u[14], k__cospi_p29_p03);
+ v[29] = _mm_madd_epi16(u[15], k__cospi_p29_p03);
+ v[30] = _mm_madd_epi16(u[14], k__cospi_p03_m29);
+ v[31] = _mm_madd_epi16(u[15], k__cospi_p03_m29);
+
+ u[0] = _mm_add_epi32(v[0], v[16]);
+ u[1] = _mm_add_epi32(v[1], v[17]);
+ u[2] = _mm_add_epi32(v[2], v[18]);
+ u[3] = _mm_add_epi32(v[3], v[19]);
+ u[4] = _mm_add_epi32(v[4], v[20]);
+ u[5] = _mm_add_epi32(v[5], v[21]);
+ u[6] = _mm_add_epi32(v[6], v[22]);
+ u[7] = _mm_add_epi32(v[7], v[23]);
+ u[8] = _mm_add_epi32(v[8], v[24]);
+ u[9] = _mm_add_epi32(v[9], v[25]);
+ u[10] = _mm_add_epi32(v[10], v[26]);
+ u[11] = _mm_add_epi32(v[11], v[27]);
+ u[12] = _mm_add_epi32(v[12], v[28]);
+ u[13] = _mm_add_epi32(v[13], v[29]);
+ u[14] = _mm_add_epi32(v[14], v[30]);
+ u[15] = _mm_add_epi32(v[15], v[31]);
+ u[16] = _mm_sub_epi32(v[0], v[16]);
+ u[17] = _mm_sub_epi32(v[1], v[17]);
+ u[18] = _mm_sub_epi32(v[2], v[18]);
+ u[19] = _mm_sub_epi32(v[3], v[19]);
+ u[20] = _mm_sub_epi32(v[4], v[20]);
+ u[21] = _mm_sub_epi32(v[5], v[21]);
+ u[22] = _mm_sub_epi32(v[6], v[22]);
+ u[23] = _mm_sub_epi32(v[7], v[23]);
+ u[24] = _mm_sub_epi32(v[8], v[24]);
+ u[25] = _mm_sub_epi32(v[9], v[25]);
+ u[26] = _mm_sub_epi32(v[10], v[26]);
+ u[27] = _mm_sub_epi32(v[11], v[27]);
+ u[28] = _mm_sub_epi32(v[12], v[28]);
+ u[29] = _mm_sub_epi32(v[13], v[29]);
+ u[30] = _mm_sub_epi32(v[14], v[30]);
+ u[31] = _mm_sub_epi32(v[15], v[31]);
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
+ v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
+ v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+ v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
+ v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
+ v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
+ v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
+ v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
+ v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
+ v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
+ v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
+ v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
+ v[16] = _mm_add_epi32(u[16], k__DCT_CONST_ROUNDING);
+ v[17] = _mm_add_epi32(u[17], k__DCT_CONST_ROUNDING);
+ v[18] = _mm_add_epi32(u[18], k__DCT_CONST_ROUNDING);
+ v[19] = _mm_add_epi32(u[19], k__DCT_CONST_ROUNDING);
+ v[20] = _mm_add_epi32(u[20], k__DCT_CONST_ROUNDING);
+ v[21] = _mm_add_epi32(u[21], k__DCT_CONST_ROUNDING);
+ v[22] = _mm_add_epi32(u[22], k__DCT_CONST_ROUNDING);
+ v[23] = _mm_add_epi32(u[23], k__DCT_CONST_ROUNDING);
+ v[24] = _mm_add_epi32(u[24], k__DCT_CONST_ROUNDING);
+ v[25] = _mm_add_epi32(u[25], k__DCT_CONST_ROUNDING);
+ v[26] = _mm_add_epi32(u[26], k__DCT_CONST_ROUNDING);
+ v[27] = _mm_add_epi32(u[27], k__DCT_CONST_ROUNDING);
+ v[28] = _mm_add_epi32(u[28], k__DCT_CONST_ROUNDING);
+ v[29] = _mm_add_epi32(u[29], k__DCT_CONST_ROUNDING);
+ v[30] = _mm_add_epi32(u[30], k__DCT_CONST_ROUNDING);
+ v[31] = _mm_add_epi32(u[31], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+ u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
+ u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
+ u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
+ u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
+ u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
+ u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
+ u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
+ u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
+ u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
+ u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
+ u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
+ u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
+ u[16] = _mm_srai_epi32(v[16], DCT_CONST_BITS);
+ u[17] = _mm_srai_epi32(v[17], DCT_CONST_BITS);
+ u[18] = _mm_srai_epi32(v[18], DCT_CONST_BITS);
+ u[19] = _mm_srai_epi32(v[19], DCT_CONST_BITS);
+ u[20] = _mm_srai_epi32(v[20], DCT_CONST_BITS);
+ u[21] = _mm_srai_epi32(v[21], DCT_CONST_BITS);
+ u[22] = _mm_srai_epi32(v[22], DCT_CONST_BITS);
+ u[23] = _mm_srai_epi32(v[23], DCT_CONST_BITS);
+ u[24] = _mm_srai_epi32(v[24], DCT_CONST_BITS);
+ u[25] = _mm_srai_epi32(v[25], DCT_CONST_BITS);
+ u[26] = _mm_srai_epi32(v[26], DCT_CONST_BITS);
+ u[27] = _mm_srai_epi32(v[27], DCT_CONST_BITS);
+ u[28] = _mm_srai_epi32(v[28], DCT_CONST_BITS);
+ u[29] = _mm_srai_epi32(v[29], DCT_CONST_BITS);
+ u[30] = _mm_srai_epi32(v[30], DCT_CONST_BITS);
+ u[31] = _mm_srai_epi32(v[31], DCT_CONST_BITS);
+
+ s[0] = _mm_packs_epi32(u[0], u[1]);
+ s[1] = _mm_packs_epi32(u[2], u[3]);
+ s[2] = _mm_packs_epi32(u[4], u[5]);
+ s[3] = _mm_packs_epi32(u[6], u[7]);
+ s[4] = _mm_packs_epi32(u[8], u[9]);
+ s[5] = _mm_packs_epi32(u[10], u[11]);
+ s[6] = _mm_packs_epi32(u[12], u[13]);
+ s[7] = _mm_packs_epi32(u[14], u[15]);
+ s[8] = _mm_packs_epi32(u[16], u[17]);
+ s[9] = _mm_packs_epi32(u[18], u[19]);
+ s[10] = _mm_packs_epi32(u[20], u[21]);
+ s[11] = _mm_packs_epi32(u[22], u[23]);
+ s[12] = _mm_packs_epi32(u[24], u[25]);
+ s[13] = _mm_packs_epi32(u[26], u[27]);
+ s[14] = _mm_packs_epi32(u[28], u[29]);
+ s[15] = _mm_packs_epi32(u[30], u[31]);
+
+ // stage 2
+ u[0] = _mm_unpacklo_epi16(s[8], s[9]);
+ u[1] = _mm_unpackhi_epi16(s[8], s[9]);
+ u[2] = _mm_unpacklo_epi16(s[10], s[11]);
+ u[3] = _mm_unpackhi_epi16(s[10], s[11]);
+ u[4] = _mm_unpacklo_epi16(s[12], s[13]);
+ u[5] = _mm_unpackhi_epi16(s[12], s[13]);
+ u[6] = _mm_unpacklo_epi16(s[14], s[15]);
+ u[7] = _mm_unpackhi_epi16(s[14], s[15]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_m28_p04);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_m28_p04);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p04_p28);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p04_p28);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_m12_p20);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_m12_p20);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p20_p12);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p20_p12);
+
+ u[0] = _mm_add_epi32(v[0], v[8]);
+ u[1] = _mm_add_epi32(v[1], v[9]);
+ u[2] = _mm_add_epi32(v[2], v[10]);
+ u[3] = _mm_add_epi32(v[3], v[11]);
+ u[4] = _mm_add_epi32(v[4], v[12]);
+ u[5] = _mm_add_epi32(v[5], v[13]);
+ u[6] = _mm_add_epi32(v[6], v[14]);
+ u[7] = _mm_add_epi32(v[7], v[15]);
+ u[8] = _mm_sub_epi32(v[0], v[8]);
+ u[9] = _mm_sub_epi32(v[1], v[9]);
+ u[10] = _mm_sub_epi32(v[2], v[10]);
+ u[11] = _mm_sub_epi32(v[3], v[11]);
+ u[12] = _mm_sub_epi32(v[4], v[12]);
+ u[13] = _mm_sub_epi32(v[5], v[13]);
+ u[14] = _mm_sub_epi32(v[6], v[14]);
+ u[15] = _mm_sub_epi32(v[7], v[15]);
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
+ v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
+ v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+ v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
+ v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
+ v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
+ v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
+ v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
+ v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
+ v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
+ v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
+ v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+ u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
+ u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
+ u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
+ u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
+ u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
+ u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
+ u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
+ u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
+ u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
+ u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
+ u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
+ u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
+
+ x[0] = _mm_add_epi16(s[0], s[4]);
+ x[1] = _mm_add_epi16(s[1], s[5]);
+ x[2] = _mm_add_epi16(s[2], s[6]);
+ x[3] = _mm_add_epi16(s[3], s[7]);
+ x[4] = _mm_sub_epi16(s[0], s[4]);
+ x[5] = _mm_sub_epi16(s[1], s[5]);
+ x[6] = _mm_sub_epi16(s[2], s[6]);
+ x[7] = _mm_sub_epi16(s[3], s[7]);
+ x[8] = _mm_packs_epi32(u[0], u[1]);
+ x[9] = _mm_packs_epi32(u[2], u[3]);
+ x[10] = _mm_packs_epi32(u[4], u[5]);
+ x[11] = _mm_packs_epi32(u[6], u[7]);
+ x[12] = _mm_packs_epi32(u[8], u[9]);
+ x[13] = _mm_packs_epi32(u[10], u[11]);
+ x[14] = _mm_packs_epi32(u[12], u[13]);
+ x[15] = _mm_packs_epi32(u[14], u[15]);
+
+ // stage 3
+ u[0] = _mm_unpacklo_epi16(x[4], x[5]);
+ u[1] = _mm_unpackhi_epi16(x[4], x[5]);
+ u[2] = _mm_unpacklo_epi16(x[6], x[7]);
+ u[3] = _mm_unpackhi_epi16(x[6], x[7]);
+ u[4] = _mm_unpacklo_epi16(x[12], x[13]);
+ u[5] = _mm_unpackhi_epi16(x[12], x[13]);
+ u[6] = _mm_unpacklo_epi16(x[14], x[15]);
+ u[7] = _mm_unpackhi_epi16(x[14], x[15]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_p08_p24);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_p08_p24);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p24_m08);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p24_m08);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_m24_p08);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_m24_p08);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p08_p24);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p08_p24);
+
+ u[0] = _mm_add_epi32(v[0], v[4]);
+ u[1] = _mm_add_epi32(v[1], v[5]);
+ u[2] = _mm_add_epi32(v[2], v[6]);
+ u[3] = _mm_add_epi32(v[3], v[7]);
+ u[4] = _mm_sub_epi32(v[0], v[4]);
+ u[5] = _mm_sub_epi32(v[1], v[5]);
+ u[6] = _mm_sub_epi32(v[2], v[6]);
+ u[7] = _mm_sub_epi32(v[3], v[7]);
+ u[8] = _mm_add_epi32(v[8], v[12]);
+ u[9] = _mm_add_epi32(v[9], v[13]);
+ u[10] = _mm_add_epi32(v[10], v[14]);
+ u[11] = _mm_add_epi32(v[11], v[15]);
+ u[12] = _mm_sub_epi32(v[8], v[12]);
+ u[13] = _mm_sub_epi32(v[9], v[13]);
+ u[14] = _mm_sub_epi32(v[10], v[14]);
+ u[15] = _mm_sub_epi32(v[11], v[15]);
+
+ u[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
+ u[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
+ u[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
+ u[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
+ u[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
+ u[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
+ u[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
+ u[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
+ u[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+ v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
+ v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
+ v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
+ v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
+ v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
+ v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
+ v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
+ v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
+
+ s[0] = _mm_add_epi16(x[0], x[2]);
+ s[1] = _mm_add_epi16(x[1], x[3]);
+ s[2] = _mm_sub_epi16(x[0], x[2]);
+ s[3] = _mm_sub_epi16(x[1], x[3]);
+ s[4] = _mm_packs_epi32(v[0], v[1]);
+ s[5] = _mm_packs_epi32(v[2], v[3]);
+ s[6] = _mm_packs_epi32(v[4], v[5]);
+ s[7] = _mm_packs_epi32(v[6], v[7]);
+ s[8] = _mm_add_epi16(x[8], x[10]);
+ s[9] = _mm_add_epi16(x[9], x[11]);
+ s[10] = _mm_sub_epi16(x[8], x[10]);
+ s[11] = _mm_sub_epi16(x[9], x[11]);
+ s[12] = _mm_packs_epi32(v[8], v[9]);
+ s[13] = _mm_packs_epi32(v[10], v[11]);
+ s[14] = _mm_packs_epi32(v[12], v[13]);
+ s[15] = _mm_packs_epi32(v[14], v[15]);
+
+ // stage 4
+ u[0] = _mm_unpacklo_epi16(s[2], s[3]);
+ u[1] = _mm_unpackhi_epi16(s[2], s[3]);
+ u[2] = _mm_unpacklo_epi16(s[6], s[7]);
+ u[3] = _mm_unpackhi_epi16(s[6], s[7]);
+ u[4] = _mm_unpacklo_epi16(s[10], s[11]);
+ u[5] = _mm_unpackhi_epi16(s[10], s[11]);
+ u[6] = _mm_unpacklo_epi16(s[14], s[15]);
+ u[7] = _mm_unpackhi_epi16(s[14], s[15]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_m16_m16);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_m16_m16);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_p16_p16);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_p16_p16);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_m16_p16);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_m16_p16);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_m16_m16);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_m16_m16);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p16_m16);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p16_m16);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+ u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
+ u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
+ u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
+ u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
+ u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
+ u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
+ u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
+ u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+ v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
+ v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
+ v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
+ v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
+ v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
+ v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
+ v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
+ v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
+
+ in[0] = s[0];
+ in[1] = _mm_sub_epi16(kZero, s[8]);
+ in[2] = s[12];
+ in[3] = _mm_sub_epi16(kZero, s[4]);
+ in[4] = _mm_packs_epi32(v[4], v[5]);
+ in[5] = _mm_packs_epi32(v[12], v[13]);
+ in[6] = _mm_packs_epi32(v[8], v[9]);
+ in[7] = _mm_packs_epi32(v[0], v[1]);
+ in[8] = _mm_packs_epi32(v[2], v[3]);
+ in[9] = _mm_packs_epi32(v[10], v[11]);
+ in[10] = _mm_packs_epi32(v[14], v[15]);
+ in[11] = _mm_packs_epi32(v[6], v[7]);
+ in[12] = s[5];
+ in[13] = _mm_sub_epi16(kZero, s[13]);
+ in[14] = s[9];
+ in[15] = _mm_sub_epi16(kZero, s[1]);
+}
+
+static void fdct16_sse2(__m128i *in0, __m128i *in1) {+ fdct16_8col(in0);
+ fdct16_8col(in1);
+ array_transpose_16x16(in0, in1);
+}
+
+static void fadst16_sse2(__m128i *in0, __m128i *in1) {+ fadst16_8col(in0);
+ fadst16_8col(in1);
+ array_transpose_16x16(in0, in1);
+}
+
+void vp9_fht16x16_sse2(const int16_t *input, tran_low_t *output,
+ int stride, int tx_type) {+ __m128i in0[16], in1[16];
+
+ switch (tx_type) {+ case DCT_DCT:
+ vpx_fdct16x16_sse2(input, output, stride);
+ break;
+ case ADST_DCT:
+ load_buffer_16x16(input, in0, in1, stride);
+ fadst16_sse2(in0, in1);
+ right_shift_16x16(in0, in1);
+ fdct16_sse2(in0, in1);
+ write_buffer_16x16(output, in0, in1, 16);
+ break;
+ case DCT_ADST:
+ load_buffer_16x16(input, in0, in1, stride);
+ fdct16_sse2(in0, in1);
+ right_shift_16x16(in0, in1);
+ fadst16_sse2(in0, in1);
+ write_buffer_16x16(output, in0, in1, 16);
+ break;
+ case ADST_ADST:
+ load_buffer_16x16(input, in0, in1, stride);
+ fadst16_sse2(in0, in1);
+ right_shift_16x16(in0, in1);
+ fadst16_sse2(in0, in1);
+ write_buffer_16x16(output, in0, in1, 16);
+ break;
+ default:
+ assert(0);
+ break;
+ }
+}
--- a/vp9/encoder/x86/vp9_dct_mmx.asm
+++ /dev/null
@@ -1,104 +1,0 @@
-;
-; Copyright (c) 2014 The WebM project authors. All Rights Reserved.
-;
-; Use of this source code is governed by a BSD-style license
-; that can be found in the LICENSE file in the root of the source
-; tree. An additional intellectual property rights grant can be found
-; in the file PATENTS. All contributing project authors may
-; be found in the AUTHORS file in the root of the source tree.
-;
-
-%define private_prefix vp9
-
-%include "third_party/x86inc/x86inc.asm"
-
-SECTION .text
-
-%macro TRANSFORM_COLS 0
- paddw m0, m1
- movq m4, m0
- psubw m3, m2
- psubw m4, m3
- psraw m4, 1
- movq m5, m4
- psubw m5, m1 ;b1
- psubw m4, m2 ;c1
- psubw m0, m4
- paddw m3, m5
- ; m0 a0
- SWAP 1, 4 ; m1 c1
- SWAP 2, 3 ; m2 d1
- SWAP 3, 5 ; m3 b1
-%endmacro
-
-%macro TRANSPOSE_4X4 0
- movq m4, m0
- movq m5, m2
- punpcklwd m4, m1
- punpckhwd m0, m1
- punpcklwd m5, m3
- punpckhwd m2, m3
- movq m1, m4
- movq m3, m0
- punpckldq m1, m5
- punpckhdq m4, m5
- punpckldq m3, m2
- punpckhdq m0, m2
- SWAP 2, 3, 0, 1, 4
-%endmacro
-
-INIT_MMX mmx
-cglobal fwht4x4, 3, 4, 8, input, output, stride
- lea r3q, [inputq + strideq*4]
- movq m0, [inputq] ;a1
- movq m1, [inputq + strideq*2] ;b1
- movq m2, [r3q] ;c1
- movq m3, [r3q + strideq*2] ;d1
-
- TRANSFORM_COLS
- TRANSPOSE_4X4
- TRANSFORM_COLS
- TRANSPOSE_4X4
-
- psllw m0, 2
- psllw m1, 2
- psllw m2, 2
- psllw m3, 2
-
-%if CONFIG_VP9_HIGHBITDEPTH
- pxor m4, m4
- pxor m5, m5
- pcmpgtw m4, m0
- pcmpgtw m5, m1
- movq m6, m0
- movq m7, m1
- punpcklwd m0, m4
- punpcklwd m1, m5
- punpckhwd m6, m4
- punpckhwd m7, m5
- movq [outputq], m0
- movq [outputq + 8], m6
- movq [outputq + 16], m1
- movq [outputq + 24], m7
- pxor m4, m4
- pxor m5, m5
- pcmpgtw m4, m2
- pcmpgtw m5, m3
- movq m6, m2
- movq m7, m3
- punpcklwd m2, m4
- punpcklwd m3, m5
- punpckhwd m6, m4
- punpckhwd m7, m5
- movq [outputq + 32], m2
- movq [outputq + 40], m6
- movq [outputq + 48], m3
- movq [outputq + 56], m7
-%else
- movq [outputq], m0
- movq [outputq + 8], m1
- movq [outputq + 16], m2
- movq [outputq + 24], m3
-%endif
-
- RET
--- /dev/null
+++ b/vp9/encoder/x86/vp9_dct_sse2.asm
@@ -1,0 +1,87 @@
+;
+; Copyright (c) 2016 The WebM project authors. All Rights Reserved.
+;
+; Use of this source code is governed by a BSD-style license
+; that can be found in the LICENSE file in the root of the source
+; tree. An additional intellectual property rights grant can be found
+; in the file PATENTS. All contributing project authors may
+; be found in the AUTHORS file in the root of the source tree.
+;
+
+%define private_prefix vp9
+
+%include "third_party/x86inc/x86inc.asm"
+
+SECTION .text
+
+%macro TRANSFORM_COLS 0
+ paddw m0, m1
+ movq m4, m0
+ psubw m3, m2
+ psubw m4, m3
+ psraw m4, 1
+ movq m5, m4
+ psubw m5, m1 ;b1
+ psubw m4, m2 ;c1
+ psubw m0, m4
+ paddw m3, m5
+ ; m0 a0
+ SWAP 1, 4 ; m1 c1
+ SWAP 2, 3 ; m2 d1
+ SWAP 3, 5 ; m3 b1
+%endmacro
+
+%macro TRANSPOSE_4X4 0
+ ; 00 01 02 03
+ ; 10 11 12 13
+ ; 20 21 22 23
+ ; 30 31 32 33
+ punpcklwd m0, m1 ; 00 10 01 11 02 12 03 13
+ punpcklwd m2, m3 ; 20 30 21 31 22 32 23 33
+ mova m1, m0
+ punpckldq m0, m2 ; 00 10 20 30 01 11 21 31
+ punpckhdq m1, m2 ; 02 12 22 32 03 13 23 33
+%endmacro
+
+INIT_XMM sse2
+cglobal fwht4x4, 3, 4, 8, input, output, stride
+; TODO(linfeng): The duplication with vp10 should be resolved.
+ lea r3q, [inputq + strideq*4]
+ movq m0, [inputq] ;a1
+ movq m1, [inputq + strideq*2] ;b1
+ movq m2, [r3q] ;c1
+ movq m3, [r3q + strideq*2] ;d1
+
+ TRANSFORM_COLS
+ TRANSPOSE_4X4
+ SWAP 1, 2
+ psrldq m1, m0, 8
+ psrldq m3, m2, 8
+ TRANSFORM_COLS
+ TRANSPOSE_4X4
+
+ psllw m0, 2
+ psllw m1, 2
+
+%if CONFIG_VP9_HIGHBITDEPTH
+ ; sign extension
+ mova m2, m0
+ mova m3, m1
+ punpcklwd m0, m0
+ punpcklwd m1, m1
+ punpckhwd m2, m2
+ punpckhwd m3, m3
+ psrad m0, 16
+ psrad m1, 16
+ psrad m2, 16
+ psrad m3, 16
+ mova [outputq], m0
+ mova [outputq + 16], m2
+ mova [outputq + 32], m1
+ mova [outputq + 48], m3
+%else
+ mova [outputq], m0
+ mova [outputq + 16], m1
+%endif
+
+ RET
--- a/vp9/encoder/x86/vp9_dct_sse2.c
+++ /dev/null
@@ -1,2058 +1,0 @@
-/*
- * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-#include <assert.h>
-#include <emmintrin.h> // SSE2
-
-#include "./vp9_rtcd.h"
-#include "./vpx_dsp_rtcd.h"
-#include "vpx_dsp/txfm_common.h"
-#include "vpx_dsp/x86/fwd_txfm_sse2.h"
-#include "vpx_dsp/x86/txfm_common_sse2.h"
-#include "vpx_ports/mem.h"
-
-static INLINE void load_buffer_4x4(const int16_t *input, __m128i *in,
- int stride) {- const __m128i k__nonzero_bias_a = _mm_setr_epi16(0, 1, 1, 1, 1, 1, 1, 1);
- const __m128i k__nonzero_bias_b = _mm_setr_epi16(1, 0, 0, 0, 0, 0, 0, 0);
- __m128i mask;
-
- in[0] = _mm_loadl_epi64((const __m128i *)(input + 0 * stride));
- in[1] = _mm_loadl_epi64((const __m128i *)(input + 1 * stride));
- in[2] = _mm_loadl_epi64((const __m128i *)(input + 2 * stride));
- in[3] = _mm_loadl_epi64((const __m128i *)(input + 3 * stride));
-
- in[0] = _mm_slli_epi16(in[0], 4);
- in[1] = _mm_slli_epi16(in[1], 4);
- in[2] = _mm_slli_epi16(in[2], 4);
- in[3] = _mm_slli_epi16(in[3], 4);
-
- mask = _mm_cmpeq_epi16(in[0], k__nonzero_bias_a);
- in[0] = _mm_add_epi16(in[0], mask);
- in[0] = _mm_add_epi16(in[0], k__nonzero_bias_b);
-}
-
-static INLINE void write_buffer_4x4(tran_low_t *output, __m128i *res) {- const __m128i kOne = _mm_set1_epi16(1);
- __m128i in01 = _mm_unpacklo_epi64(res[0], res[1]);
- __m128i in23 = _mm_unpacklo_epi64(res[2], res[3]);
- __m128i out01 = _mm_add_epi16(in01, kOne);
- __m128i out23 = _mm_add_epi16(in23, kOne);
- out01 = _mm_srai_epi16(out01, 2);
- out23 = _mm_srai_epi16(out23, 2);
- store_output(&out01, (output + 0 * 8));
- store_output(&out23, (output + 1 * 8));
-}
-
-static INLINE void transpose_4x4(__m128i *res) {- // Combine and transpose
- // 00 01 02 03 20 21 22 23
- // 10 11 12 13 30 31 32 33
- const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]);
- const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]);
-
- // 00 10 01 11 02 12 03 13
- // 20 30 21 31 22 32 23 33
- res[0] = _mm_unpacklo_epi32(tr0_0, tr0_1);
- res[2] = _mm_unpackhi_epi32(tr0_0, tr0_1);
-
- // 00 10 20 30 01 11 21 31
- // 02 12 22 32 03 13 23 33
- // only use the first 4 16-bit integers
- res[1] = _mm_unpackhi_epi64(res[0], res[0]);
- res[3] = _mm_unpackhi_epi64(res[2], res[2]);
-}
-
-static void fdct4_sse2(__m128i *in) {- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
-
- __m128i u[4], v[4];
- u[0]=_mm_unpacklo_epi16(in[0], in[1]);
- u[1]=_mm_unpacklo_epi16(in[3], in[2]);
-
- v[0] = _mm_add_epi16(u[0], u[1]);
- v[1] = _mm_sub_epi16(u[0], u[1]);
-
- u[0] = _mm_madd_epi16(v[0], k__cospi_p16_p16); // 0
- u[1] = _mm_madd_epi16(v[0], k__cospi_p16_m16); // 2
- u[2] = _mm_madd_epi16(v[1], k__cospi_p08_p24); // 1
- u[3] = _mm_madd_epi16(v[1], k__cospi_p24_m08); // 3
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
-
- in[0] = _mm_packs_epi32(u[0], u[1]);
- in[1] = _mm_packs_epi32(u[2], u[3]);
- transpose_4x4(in);
-}
-
-static void fadst4_sse2(__m128i *in) {- const __m128i k__sinpi_p01_p02 = pair_set_epi16(sinpi_1_9, sinpi_2_9);
- const __m128i k__sinpi_p04_m01 = pair_set_epi16(sinpi_4_9, -sinpi_1_9);
- const __m128i k__sinpi_p03_p04 = pair_set_epi16(sinpi_3_9, sinpi_4_9);
- const __m128i k__sinpi_m03_p02 = pair_set_epi16(-sinpi_3_9, sinpi_2_9);
- const __m128i k__sinpi_p03_p03 = _mm_set1_epi16((int16_t)sinpi_3_9);
- const __m128i kZero = _mm_set1_epi16(0);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
- __m128i u[8], v[8];
- __m128i in7 = _mm_add_epi16(in[0], in[1]);
-
- u[0] = _mm_unpacklo_epi16(in[0], in[1]);
- u[1] = _mm_unpacklo_epi16(in[2], in[3]);
- u[2] = _mm_unpacklo_epi16(in7, kZero);
- u[3] = _mm_unpacklo_epi16(in[2], kZero);
- u[4] = _mm_unpacklo_epi16(in[3], kZero);
-
- v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p02); // s0 + s2
- v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p04); // s4 + s5
- v[2] = _mm_madd_epi16(u[2], k__sinpi_p03_p03); // x1
- v[3] = _mm_madd_epi16(u[0], k__sinpi_p04_m01); // s1 - s3
- v[4] = _mm_madd_epi16(u[1], k__sinpi_m03_p02); // -s4 + s6
- v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s4
- v[6] = _mm_madd_epi16(u[4], k__sinpi_p03_p03);
-
- u[0] = _mm_add_epi32(v[0], v[1]);
- u[1] = _mm_sub_epi32(v[2], v[6]);
- u[2] = _mm_add_epi32(v[3], v[4]);
- u[3] = _mm_sub_epi32(u[2], u[0]);
- u[4] = _mm_slli_epi32(v[5], 2);
- u[5] = _mm_sub_epi32(u[4], v[5]);
- u[6] = _mm_add_epi32(u[3], u[5]);
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
-
- in[0] = _mm_packs_epi32(u[0], u[2]);
- in[1] = _mm_packs_epi32(u[1], u[3]);
- transpose_4x4(in);
-}
-
-void vp9_fht4x4_sse2(const int16_t *input, tran_low_t *output,
- int stride, int tx_type) {- __m128i in[4];
-
- switch (tx_type) {- case DCT_DCT:
- vpx_fdct4x4_sse2(input, output, stride);
- break;
- case ADST_DCT:
- load_buffer_4x4(input, in, stride);
- fadst4_sse2(in);
- fdct4_sse2(in);
- write_buffer_4x4(output, in);
- break;
- case DCT_ADST:
- load_buffer_4x4(input, in, stride);
- fdct4_sse2(in);
- fadst4_sse2(in);
- write_buffer_4x4(output, in);
- break;
- case ADST_ADST:
- load_buffer_4x4(input, in, stride);
- fadst4_sse2(in);
- fadst4_sse2(in);
- write_buffer_4x4(output, in);
- break;
- default:
- assert(0);
- break;
- }
-}
-
-void vp9_fdct8x8_quant_sse2(const int16_t *input, int stride,
- int16_t* coeff_ptr, intptr_t n_coeffs,
- int skip_block, const int16_t* zbin_ptr,
- const int16_t* round_ptr, const int16_t* quant_ptr,
- const int16_t* quant_shift_ptr, int16_t* qcoeff_ptr,
- int16_t* dqcoeff_ptr, const int16_t* dequant_ptr,
- uint16_t* eob_ptr,
- const int16_t* scan_ptr,
- const int16_t* iscan_ptr) {- __m128i zero;
- int pass;
- // Constants
- // When we use them, in one case, they are all the same. In all others
- // it's a pair of them that we need to repeat four times. This is done
- // by constructing the 32 bit constant corresponding to that pair.
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64);
- const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
- const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
- // Load input
- __m128i in0 = _mm_load_si128((const __m128i *)(input + 0 * stride));
- __m128i in1 = _mm_load_si128((const __m128i *)(input + 1 * stride));
- __m128i in2 = _mm_load_si128((const __m128i *)(input + 2 * stride));
- __m128i in3 = _mm_load_si128((const __m128i *)(input + 3 * stride));
- __m128i in4 = _mm_load_si128((const __m128i *)(input + 4 * stride));
- __m128i in5 = _mm_load_si128((const __m128i *)(input + 5 * stride));
- __m128i in6 = _mm_load_si128((const __m128i *)(input + 6 * stride));
- __m128i in7 = _mm_load_si128((const __m128i *)(input + 7 * stride));
- __m128i *in[8];
- int index = 0;
-
- (void)scan_ptr;
- (void)zbin_ptr;
- (void)quant_shift_ptr;
- (void)coeff_ptr;
-
- // Pre-condition input (shift by two)
- in0 = _mm_slli_epi16(in0, 2);
- in1 = _mm_slli_epi16(in1, 2);
- in2 = _mm_slli_epi16(in2, 2);
- in3 = _mm_slli_epi16(in3, 2);
- in4 = _mm_slli_epi16(in4, 2);
- in5 = _mm_slli_epi16(in5, 2);
- in6 = _mm_slli_epi16(in6, 2);
- in7 = _mm_slli_epi16(in7, 2);
-
- in[0] = &in0;
- in[1] = &in1;
- in[2] = &in2;
- in[3] = &in3;
- in[4] = &in4;
- in[5] = &in5;
- in[6] = &in6;
- in[7] = &in7;
-
- // We do two passes, first the columns, then the rows. The results of the
- // first pass are transposed so that the same column code can be reused. The
- // results of the second pass are also transposed so that the rows (processed
- // as columns) are put back in row positions.
- for (pass = 0; pass < 2; pass++) {- // To store results of each pass before the transpose.
- __m128i res0, res1, res2, res3, res4, res5, res6, res7;
- // Add/subtract
- const __m128i q0 = _mm_add_epi16(in0, in7);
- const __m128i q1 = _mm_add_epi16(in1, in6);
- const __m128i q2 = _mm_add_epi16(in2, in5);
- const __m128i q3 = _mm_add_epi16(in3, in4);
- const __m128i q4 = _mm_sub_epi16(in3, in4);
- const __m128i q5 = _mm_sub_epi16(in2, in5);
- const __m128i q6 = _mm_sub_epi16(in1, in6);
- const __m128i q7 = _mm_sub_epi16(in0, in7);
- // Work on first four results
- {- // Add/subtract
- const __m128i r0 = _mm_add_epi16(q0, q3);
- const __m128i r1 = _mm_add_epi16(q1, q2);
- const __m128i r2 = _mm_sub_epi16(q1, q2);
- const __m128i r3 = _mm_sub_epi16(q0, q3);
- // Interleave to do the multiply by constants which gets us into 32bits
- const __m128i t0 = _mm_unpacklo_epi16(r0, r1);
- const __m128i t1 = _mm_unpackhi_epi16(r0, r1);
- const __m128i t2 = _mm_unpacklo_epi16(r2, r3);
- const __m128i t3 = _mm_unpackhi_epi16(r2, r3);
- const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p16_p16);
- const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p16_p16);
- const __m128i u2 = _mm_madd_epi16(t0, k__cospi_p16_m16);
- const __m128i u3 = _mm_madd_epi16(t1, k__cospi_p16_m16);
- const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p24_p08);
- const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p24_p08);
- const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m08_p24);
- const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m08_p24);
- // dct_const_round_shift
- const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING);
- const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING);
- const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING);
- const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING);
- const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING);
- const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING);
- const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING);
- const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING);
- const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
- const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
- const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
- const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
- const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
- const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
- const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
- const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
- // Combine
- res0 = _mm_packs_epi32(w0, w1);
- res4 = _mm_packs_epi32(w2, w3);
- res2 = _mm_packs_epi32(w4, w5);
- res6 = _mm_packs_epi32(w6, w7);
- }
- // Work on next four results
- {- // Interleave to do the multiply by constants which gets us into 32bits
- const __m128i d0 = _mm_unpacklo_epi16(q6, q5);
- const __m128i d1 = _mm_unpackhi_epi16(q6, q5);
- const __m128i e0 = _mm_madd_epi16(d0, k__cospi_p16_m16);
- const __m128i e1 = _mm_madd_epi16(d1, k__cospi_p16_m16);
- const __m128i e2 = _mm_madd_epi16(d0, k__cospi_p16_p16);
- const __m128i e3 = _mm_madd_epi16(d1, k__cospi_p16_p16);
- // dct_const_round_shift
- const __m128i f0 = _mm_add_epi32(e0, k__DCT_CONST_ROUNDING);
- const __m128i f1 = _mm_add_epi32(e1, k__DCT_CONST_ROUNDING);
- const __m128i f2 = _mm_add_epi32(e2, k__DCT_CONST_ROUNDING);
- const __m128i f3 = _mm_add_epi32(e3, k__DCT_CONST_ROUNDING);
- const __m128i s0 = _mm_srai_epi32(f0, DCT_CONST_BITS);
- const __m128i s1 = _mm_srai_epi32(f1, DCT_CONST_BITS);
- const __m128i s2 = _mm_srai_epi32(f2, DCT_CONST_BITS);
- const __m128i s3 = _mm_srai_epi32(f3, DCT_CONST_BITS);
- // Combine
- const __m128i r0 = _mm_packs_epi32(s0, s1);
- const __m128i r1 = _mm_packs_epi32(s2, s3);
- // Add/subtract
- const __m128i x0 = _mm_add_epi16(q4, r0);
- const __m128i x1 = _mm_sub_epi16(q4, r0);
- const __m128i x2 = _mm_sub_epi16(q7, r1);
- const __m128i x3 = _mm_add_epi16(q7, r1);
- // Interleave to do the multiply by constants which gets us into 32bits
- const __m128i t0 = _mm_unpacklo_epi16(x0, x3);
- const __m128i t1 = _mm_unpackhi_epi16(x0, x3);
- const __m128i t2 = _mm_unpacklo_epi16(x1, x2);
- const __m128i t3 = _mm_unpackhi_epi16(x1, x2);
- const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p28_p04);
- const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p28_p04);
- const __m128i u2 = _mm_madd_epi16(t0, k__cospi_m04_p28);
- const __m128i u3 = _mm_madd_epi16(t1, k__cospi_m04_p28);
- const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p12_p20);
- const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p12_p20);
- const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m20_p12);
- const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m20_p12);
- // dct_const_round_shift
- const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING);
- const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING);
- const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING);
- const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING);
- const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING);
- const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING);
- const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING);
- const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING);
- const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
- const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
- const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
- const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
- const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
- const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
- const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
- const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
- // Combine
- res1 = _mm_packs_epi32(w0, w1);
- res7 = _mm_packs_epi32(w2, w3);
- res5 = _mm_packs_epi32(w4, w5);
- res3 = _mm_packs_epi32(w6, w7);
- }
- // Transpose the 8x8.
- {- // 00 01 02 03 04 05 06 07
- // 10 11 12 13 14 15 16 17
- // 20 21 22 23 24 25 26 27
- // 30 31 32 33 34 35 36 37
- // 40 41 42 43 44 45 46 47
- // 50 51 52 53 54 55 56 57
- // 60 61 62 63 64 65 66 67
- // 70 71 72 73 74 75 76 77
- const __m128i tr0_0 = _mm_unpacklo_epi16(res0, res1);
- const __m128i tr0_1 = _mm_unpacklo_epi16(res2, res3);
- const __m128i tr0_2 = _mm_unpackhi_epi16(res0, res1);
- const __m128i tr0_3 = _mm_unpackhi_epi16(res2, res3);
- const __m128i tr0_4 = _mm_unpacklo_epi16(res4, res5);
- const __m128i tr0_5 = _mm_unpacklo_epi16(res6, res7);
- const __m128i tr0_6 = _mm_unpackhi_epi16(res4, res5);
- const __m128i tr0_7 = _mm_unpackhi_epi16(res6, res7);
- // 00 10 01 11 02 12 03 13
- // 20 30 21 31 22 32 23 33
- // 04 14 05 15 06 16 07 17
- // 24 34 25 35 26 36 27 37
- // 40 50 41 51 42 52 43 53
- // 60 70 61 71 62 72 63 73
- // 54 54 55 55 56 56 57 57
- // 64 74 65 75 66 76 67 77
- const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
- const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3);
- const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
- const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3);
- const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5);
- const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7);
- const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5);
- const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7);
- // 00 10 20 30 01 11 21 31
- // 40 50 60 70 41 51 61 71
- // 02 12 22 32 03 13 23 33
- // 42 52 62 72 43 53 63 73
- // 04 14 24 34 05 15 21 36
- // 44 54 64 74 45 55 61 76
- // 06 16 26 36 07 17 27 37
- // 46 56 66 76 47 57 67 77
- in0 = _mm_unpacklo_epi64(tr1_0, tr1_4);
- in1 = _mm_unpackhi_epi64(tr1_0, tr1_4);
- in2 = _mm_unpacklo_epi64(tr1_2, tr1_6);
- in3 = _mm_unpackhi_epi64(tr1_2, tr1_6);
- in4 = _mm_unpacklo_epi64(tr1_1, tr1_5);
- in5 = _mm_unpackhi_epi64(tr1_1, tr1_5);
- in6 = _mm_unpacklo_epi64(tr1_3, tr1_7);
- in7 = _mm_unpackhi_epi64(tr1_3, tr1_7);
- // 00 10 20 30 40 50 60 70
- // 01 11 21 31 41 51 61 71
- // 02 12 22 32 42 52 62 72
- // 03 13 23 33 43 53 63 73
- // 04 14 24 34 44 54 64 74
- // 05 15 25 35 45 55 65 75
- // 06 16 26 36 46 56 66 76
- // 07 17 27 37 47 57 67 77
- }
- }
- // Post-condition output and store it
- {- // Post-condition (division by two)
- // division of two 16 bits signed numbers using shifts
- // n / 2 = (n - (n >> 15)) >> 1
- const __m128i sign_in0 = _mm_srai_epi16(in0, 15);
- const __m128i sign_in1 = _mm_srai_epi16(in1, 15);
- const __m128i sign_in2 = _mm_srai_epi16(in2, 15);
- const __m128i sign_in3 = _mm_srai_epi16(in3, 15);
- const __m128i sign_in4 = _mm_srai_epi16(in4, 15);
- const __m128i sign_in5 = _mm_srai_epi16(in5, 15);
- const __m128i sign_in6 = _mm_srai_epi16(in6, 15);
- const __m128i sign_in7 = _mm_srai_epi16(in7, 15);
- in0 = _mm_sub_epi16(in0, sign_in0);
- in1 = _mm_sub_epi16(in1, sign_in1);
- in2 = _mm_sub_epi16(in2, sign_in2);
- in3 = _mm_sub_epi16(in3, sign_in3);
- in4 = _mm_sub_epi16(in4, sign_in4);
- in5 = _mm_sub_epi16(in5, sign_in5);
- in6 = _mm_sub_epi16(in6, sign_in6);
- in7 = _mm_sub_epi16(in7, sign_in7);
- in0 = _mm_srai_epi16(in0, 1);
- in1 = _mm_srai_epi16(in1, 1);
- in2 = _mm_srai_epi16(in2, 1);
- in3 = _mm_srai_epi16(in3, 1);
- in4 = _mm_srai_epi16(in4, 1);
- in5 = _mm_srai_epi16(in5, 1);
- in6 = _mm_srai_epi16(in6, 1);
- in7 = _mm_srai_epi16(in7, 1);
- }
-
- iscan_ptr += n_coeffs;
- qcoeff_ptr += n_coeffs;
- dqcoeff_ptr += n_coeffs;
- n_coeffs = -n_coeffs;
- zero = _mm_setzero_si128();
-
- if (!skip_block) {- __m128i eob;
- __m128i round, quant, dequant;
- {- __m128i coeff0, coeff1;
-
- // Setup global values
- {- round = _mm_load_si128((const __m128i*)round_ptr);
- quant = _mm_load_si128((const __m128i*)quant_ptr);
- dequant = _mm_load_si128((const __m128i*)dequant_ptr);
- }
-
- {- __m128i coeff0_sign, coeff1_sign;
- __m128i qcoeff0, qcoeff1;
- __m128i qtmp0, qtmp1;
- // Do DC and first 15 AC
- coeff0 = *in[0];
- coeff1 = *in[1];
-
- // Poor man's sign extract
- coeff0_sign = _mm_srai_epi16(coeff0, 15);
- coeff1_sign = _mm_srai_epi16(coeff1, 15);
- qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
- qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
- qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
-
- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
- round = _mm_unpackhi_epi64(round, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
- quant = _mm_unpackhi_epi64(quant, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- // Reinsert signs
- qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign);
- qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign);
- qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
-
- _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0);
- _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1);
-
- coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
- dequant = _mm_unpackhi_epi64(dequant, dequant);
- coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
-
- _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0);
- _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1);
- }
-
- {- // Scan for eob
- __m128i zero_coeff0, zero_coeff1;
- __m128i nzero_coeff0, nzero_coeff1;
- __m128i iscan0, iscan1;
- __m128i eob1;
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero);
- nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs));
- iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1);
- // Add one to convert from indices to counts
- iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0);
- iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1);
- eob = _mm_and_si128(iscan0, nzero_coeff0);
- eob1 = _mm_and_si128(iscan1, nzero_coeff1);
- eob = _mm_max_epi16(eob, eob1);
- }
- n_coeffs += 8 * 2;
- }
-
- // AC only loop
- index = 2;
- while (n_coeffs < 0) {- __m128i coeff0, coeff1;
- {- __m128i coeff0_sign, coeff1_sign;
- __m128i qcoeff0, qcoeff1;
- __m128i qtmp0, qtmp1;
-
- assert(index < (int)(sizeof(in) / sizeof(in[0])) - 1);
- coeff0 = *in[index];
- coeff1 = *in[index + 1];
-
- // Poor man's sign extract
- coeff0_sign = _mm_srai_epi16(coeff0, 15);
- coeff1_sign = _mm_srai_epi16(coeff1, 15);
- qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
- qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
- qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
-
- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- // Reinsert signs
- qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign);
- qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign);
- qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
-
- _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0);
- _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1);
-
- coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
- coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
-
- _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0);
- _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1);
- }
-
- {- // Scan for eob
- __m128i zero_coeff0, zero_coeff1;
- __m128i nzero_coeff0, nzero_coeff1;
- __m128i iscan0, iscan1;
- __m128i eob0, eob1;
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero);
- nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs));
- iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1);
- // Add one to convert from indices to counts
- iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0);
- iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1);
- eob0 = _mm_and_si128(iscan0, nzero_coeff0);
- eob1 = _mm_and_si128(iscan1, nzero_coeff1);
- eob0 = _mm_max_epi16(eob0, eob1);
- eob = _mm_max_epi16(eob, eob0);
- }
- n_coeffs += 8 * 2;
- index += 2;
- }
-
- // Accumulate EOB
- {- __m128i eob_shuffled;
- eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
- eob = _mm_max_epi16(eob, eob_shuffled);
- *eob_ptr = _mm_extract_epi16(eob, 1);
- }
- } else {- do {- _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), zero);
- _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, zero);
- _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), zero);
- _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, zero);
- n_coeffs += 8 * 2;
- } while (n_coeffs < 0);
- *eob_ptr = 0;
- }
-}
-
-// load 8x8 array
-static INLINE void load_buffer_8x8(const int16_t *input, __m128i *in,
- int stride) {- in[0] = _mm_load_si128((const __m128i *)(input + 0 * stride));
- in[1] = _mm_load_si128((const __m128i *)(input + 1 * stride));
- in[2] = _mm_load_si128((const __m128i *)(input + 2 * stride));
- in[3] = _mm_load_si128((const __m128i *)(input + 3 * stride));
- in[4] = _mm_load_si128((const __m128i *)(input + 4 * stride));
- in[5] = _mm_load_si128((const __m128i *)(input + 5 * stride));
- in[6] = _mm_load_si128((const __m128i *)(input + 6 * stride));
- in[7] = _mm_load_si128((const __m128i *)(input + 7 * stride));
-
- in[0] = _mm_slli_epi16(in[0], 2);
- in[1] = _mm_slli_epi16(in[1], 2);
- in[2] = _mm_slli_epi16(in[2], 2);
- in[3] = _mm_slli_epi16(in[3], 2);
- in[4] = _mm_slli_epi16(in[4], 2);
- in[5] = _mm_slli_epi16(in[5], 2);
- in[6] = _mm_slli_epi16(in[6], 2);
- in[7] = _mm_slli_epi16(in[7], 2);
-}
-
-// right shift and rounding
-static INLINE void right_shift_8x8(__m128i *res, const int bit) {- __m128i sign0 = _mm_srai_epi16(res[0], 15);
- __m128i sign1 = _mm_srai_epi16(res[1], 15);
- __m128i sign2 = _mm_srai_epi16(res[2], 15);
- __m128i sign3 = _mm_srai_epi16(res[3], 15);
- __m128i sign4 = _mm_srai_epi16(res[4], 15);
- __m128i sign5 = _mm_srai_epi16(res[5], 15);
- __m128i sign6 = _mm_srai_epi16(res[6], 15);
- __m128i sign7 = _mm_srai_epi16(res[7], 15);
-
- if (bit == 2) {- const __m128i const_rounding = _mm_set1_epi16(1);
- res[0] = _mm_add_epi16(res[0], const_rounding);
- res[1] = _mm_add_epi16(res[1], const_rounding);
- res[2] = _mm_add_epi16(res[2], const_rounding);
- res[3] = _mm_add_epi16(res[3], const_rounding);
- res[4] = _mm_add_epi16(res[4], const_rounding);
- res[5] = _mm_add_epi16(res[5], const_rounding);
- res[6] = _mm_add_epi16(res[6], const_rounding);
- res[7] = _mm_add_epi16(res[7], const_rounding);
- }
-
- res[0] = _mm_sub_epi16(res[0], sign0);
- res[1] = _mm_sub_epi16(res[1], sign1);
- res[2] = _mm_sub_epi16(res[2], sign2);
- res[3] = _mm_sub_epi16(res[3], sign3);
- res[4] = _mm_sub_epi16(res[4], sign4);
- res[5] = _mm_sub_epi16(res[5], sign5);
- res[6] = _mm_sub_epi16(res[6], sign6);
- res[7] = _mm_sub_epi16(res[7], sign7);
-
- if (bit == 1) {- res[0] = _mm_srai_epi16(res[0], 1);
- res[1] = _mm_srai_epi16(res[1], 1);
- res[2] = _mm_srai_epi16(res[2], 1);
- res[3] = _mm_srai_epi16(res[3], 1);
- res[4] = _mm_srai_epi16(res[4], 1);
- res[5] = _mm_srai_epi16(res[5], 1);
- res[6] = _mm_srai_epi16(res[6], 1);
- res[7] = _mm_srai_epi16(res[7], 1);
- } else {- res[0] = _mm_srai_epi16(res[0], 2);
- res[1] = _mm_srai_epi16(res[1], 2);
- res[2] = _mm_srai_epi16(res[2], 2);
- res[3] = _mm_srai_epi16(res[3], 2);
- res[4] = _mm_srai_epi16(res[4], 2);
- res[5] = _mm_srai_epi16(res[5], 2);
- res[6] = _mm_srai_epi16(res[6], 2);
- res[7] = _mm_srai_epi16(res[7], 2);
- }
-}
-
-// write 8x8 array
-static INLINE void write_buffer_8x8(tran_low_t *output, __m128i *res,
- int stride) {- store_output(&res[0], (output + 0 * stride));
- store_output(&res[1], (output + 1 * stride));
- store_output(&res[2], (output + 2 * stride));
- store_output(&res[3], (output + 3 * stride));
- store_output(&res[4], (output + 4 * stride));
- store_output(&res[5], (output + 5 * stride));
- store_output(&res[6], (output + 6 * stride));
- store_output(&res[7], (output + 7 * stride));
-}
-
-// perform in-place transpose
-static INLINE void array_transpose_8x8(__m128i *in, __m128i *res) {- const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]);
- const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]);
- const __m128i tr0_2 = _mm_unpackhi_epi16(in[0], in[1]);
- const __m128i tr0_3 = _mm_unpackhi_epi16(in[2], in[3]);
- const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]);
- const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]);
- const __m128i tr0_6 = _mm_unpackhi_epi16(in[4], in[5]);
- const __m128i tr0_7 = _mm_unpackhi_epi16(in[6], in[7]);
- // 00 10 01 11 02 12 03 13
- // 20 30 21 31 22 32 23 33
- // 04 14 05 15 06 16 07 17
- // 24 34 25 35 26 36 27 37
- // 40 50 41 51 42 52 43 53
- // 60 70 61 71 62 72 63 73
- // 44 54 45 55 46 56 47 57
- // 64 74 65 75 66 76 67 77
- const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
- const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_4, tr0_5);
- const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
- const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_4, tr0_5);
- const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_2, tr0_3);
- const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7);
- const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_2, tr0_3);
- const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7);
- // 00 10 20 30 01 11 21 31
- // 40 50 60 70 41 51 61 71
- // 02 12 22 32 03 13 23 33
- // 42 52 62 72 43 53 63 73
- // 04 14 24 34 05 15 25 35
- // 44 54 64 74 45 55 65 75
- // 06 16 26 36 07 17 27 37
- // 46 56 66 76 47 57 67 77
- res[0] = _mm_unpacklo_epi64(tr1_0, tr1_1);
- res[1] = _mm_unpackhi_epi64(tr1_0, tr1_1);
- res[2] = _mm_unpacklo_epi64(tr1_2, tr1_3);
- res[3] = _mm_unpackhi_epi64(tr1_2, tr1_3);
- res[4] = _mm_unpacklo_epi64(tr1_4, tr1_5);
- res[5] = _mm_unpackhi_epi64(tr1_4, tr1_5);
- res[6] = _mm_unpacklo_epi64(tr1_6, tr1_7);
- res[7] = _mm_unpackhi_epi64(tr1_6, tr1_7);
- // 00 10 20 30 40 50 60 70
- // 01 11 21 31 41 51 61 71
- // 02 12 22 32 42 52 62 72
- // 03 13 23 33 43 53 63 73
- // 04 14 24 34 44 54 64 74
- // 05 15 25 35 45 55 65 75
- // 06 16 26 36 46 56 66 76
- // 07 17 27 37 47 57 67 77
-}
-
-static void fdct8_sse2(__m128i *in) {- // constants
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64);
- const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
- const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
- __m128i u0, u1, u2, u3, u4, u5, u6, u7;
- __m128i v0, v1, v2, v3, v4, v5, v6, v7;
- __m128i s0, s1, s2, s3, s4, s5, s6, s7;
-
- // stage 1
- s0 = _mm_add_epi16(in[0], in[7]);
- s1 = _mm_add_epi16(in[1], in[6]);
- s2 = _mm_add_epi16(in[2], in[5]);
- s3 = _mm_add_epi16(in[3], in[4]);
- s4 = _mm_sub_epi16(in[3], in[4]);
- s5 = _mm_sub_epi16(in[2], in[5]);
- s6 = _mm_sub_epi16(in[1], in[6]);
- s7 = _mm_sub_epi16(in[0], in[7]);
-
- u0 = _mm_add_epi16(s0, s3);
- u1 = _mm_add_epi16(s1, s2);
- u2 = _mm_sub_epi16(s1, s2);
- u3 = _mm_sub_epi16(s0, s3);
- // interleave and perform butterfly multiplication/addition
- v0 = _mm_unpacklo_epi16(u0, u1);
- v1 = _mm_unpackhi_epi16(u0, u1);
- v2 = _mm_unpacklo_epi16(u2, u3);
- v3 = _mm_unpackhi_epi16(u2, u3);
-
- u0 = _mm_madd_epi16(v0, k__cospi_p16_p16);
- u1 = _mm_madd_epi16(v1, k__cospi_p16_p16);
- u2 = _mm_madd_epi16(v0, k__cospi_p16_m16);
- u3 = _mm_madd_epi16(v1, k__cospi_p16_m16);
- u4 = _mm_madd_epi16(v2, k__cospi_p24_p08);
- u5 = _mm_madd_epi16(v3, k__cospi_p24_p08);
- u6 = _mm_madd_epi16(v2, k__cospi_m08_p24);
- u7 = _mm_madd_epi16(v3, k__cospi_m08_p24);
-
- // shift and rounding
- v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING);
- v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING);
- v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING);
- v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING);
- v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING);
- v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING);
- v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING);
- v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING);
-
- u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
- u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
- u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
- u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
- u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
- u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
- u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
- u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
-
- in[0] = _mm_packs_epi32(u0, u1);
- in[2] = _mm_packs_epi32(u4, u5);
- in[4] = _mm_packs_epi32(u2, u3);
- in[6] = _mm_packs_epi32(u6, u7);
-
- // stage 2
- // interleave and perform butterfly multiplication/addition
- u0 = _mm_unpacklo_epi16(s6, s5);
- u1 = _mm_unpackhi_epi16(s6, s5);
- v0 = _mm_madd_epi16(u0, k__cospi_p16_m16);
- v1 = _mm_madd_epi16(u1, k__cospi_p16_m16);
- v2 = _mm_madd_epi16(u0, k__cospi_p16_p16);
- v3 = _mm_madd_epi16(u1, k__cospi_p16_p16);
-
- // shift and rounding
- u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
- u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
- u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
- u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
-
- v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
- v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
- v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
- v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
-
- u0 = _mm_packs_epi32(v0, v1);
- u1 = _mm_packs_epi32(v2, v3);
-
- // stage 3
- s0 = _mm_add_epi16(s4, u0);
- s1 = _mm_sub_epi16(s4, u0);
- s2 = _mm_sub_epi16(s7, u1);
- s3 = _mm_add_epi16(s7, u1);
-
- // stage 4
- u0 = _mm_unpacklo_epi16(s0, s3);
- u1 = _mm_unpackhi_epi16(s0, s3);
- u2 = _mm_unpacklo_epi16(s1, s2);
- u3 = _mm_unpackhi_epi16(s1, s2);
-
- v0 = _mm_madd_epi16(u0, k__cospi_p28_p04);
- v1 = _mm_madd_epi16(u1, k__cospi_p28_p04);
- v2 = _mm_madd_epi16(u2, k__cospi_p12_p20);
- v3 = _mm_madd_epi16(u3, k__cospi_p12_p20);
- v4 = _mm_madd_epi16(u2, k__cospi_m20_p12);
- v5 = _mm_madd_epi16(u3, k__cospi_m20_p12);
- v6 = _mm_madd_epi16(u0, k__cospi_m04_p28);
- v7 = _mm_madd_epi16(u1, k__cospi_m04_p28);
-
- // shift and rounding
- u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
- u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
- u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
- u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
- u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING);
- u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING);
- u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING);
- u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING);
-
- v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
- v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
- v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
- v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
- v4 = _mm_srai_epi32(u4, DCT_CONST_BITS);
- v5 = _mm_srai_epi32(u5, DCT_CONST_BITS);
- v6 = _mm_srai_epi32(u6, DCT_CONST_BITS);
- v7 = _mm_srai_epi32(u7, DCT_CONST_BITS);
-
- in[1] = _mm_packs_epi32(v0, v1);
- in[3] = _mm_packs_epi32(v4, v5);
- in[5] = _mm_packs_epi32(v2, v3);
- in[7] = _mm_packs_epi32(v6, v7);
-
- // transpose
- array_transpose_8x8(in, in);
-}
-
-static void fadst8_sse2(__m128i *in) {- // Constants
- const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
- const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
- const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
- const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
- const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
- const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
- const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
- const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
- const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__const_0 = _mm_set1_epi16(0);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
-
- __m128i u0, u1, u2, u3, u4, u5, u6, u7, u8, u9, u10, u11, u12, u13, u14, u15;
- __m128i v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15;
- __m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
- __m128i s0, s1, s2, s3, s4, s5, s6, s7;
- __m128i in0, in1, in2, in3, in4, in5, in6, in7;
-
- // properly aligned for butterfly input
- in0 = in[7];
- in1 = in[0];
- in2 = in[5];
- in3 = in[2];
- in4 = in[3];
- in5 = in[4];
- in6 = in[1];
- in7 = in[6];
-
- // column transformation
- // stage 1
- // interleave and multiply/add into 32-bit integer
- s0 = _mm_unpacklo_epi16(in0, in1);
- s1 = _mm_unpackhi_epi16(in0, in1);
- s2 = _mm_unpacklo_epi16(in2, in3);
- s3 = _mm_unpackhi_epi16(in2, in3);
- s4 = _mm_unpacklo_epi16(in4, in5);
- s5 = _mm_unpackhi_epi16(in4, in5);
- s6 = _mm_unpacklo_epi16(in6, in7);
- s7 = _mm_unpackhi_epi16(in6, in7);
-
- u0 = _mm_madd_epi16(s0, k__cospi_p02_p30);
- u1 = _mm_madd_epi16(s1, k__cospi_p02_p30);
- u2 = _mm_madd_epi16(s0, k__cospi_p30_m02);
- u3 = _mm_madd_epi16(s1, k__cospi_p30_m02);
- u4 = _mm_madd_epi16(s2, k__cospi_p10_p22);
- u5 = _mm_madd_epi16(s3, k__cospi_p10_p22);
- u6 = _mm_madd_epi16(s2, k__cospi_p22_m10);
- u7 = _mm_madd_epi16(s3, k__cospi_p22_m10);
- u8 = _mm_madd_epi16(s4, k__cospi_p18_p14);
- u9 = _mm_madd_epi16(s5, k__cospi_p18_p14);
- u10 = _mm_madd_epi16(s4, k__cospi_p14_m18);
- u11 = _mm_madd_epi16(s5, k__cospi_p14_m18);
- u12 = _mm_madd_epi16(s6, k__cospi_p26_p06);
- u13 = _mm_madd_epi16(s7, k__cospi_p26_p06);
- u14 = _mm_madd_epi16(s6, k__cospi_p06_m26);
- u15 = _mm_madd_epi16(s7, k__cospi_p06_m26);
-
- // addition
- w0 = _mm_add_epi32(u0, u8);
- w1 = _mm_add_epi32(u1, u9);
- w2 = _mm_add_epi32(u2, u10);
- w3 = _mm_add_epi32(u3, u11);
- w4 = _mm_add_epi32(u4, u12);
- w5 = _mm_add_epi32(u5, u13);
- w6 = _mm_add_epi32(u6, u14);
- w7 = _mm_add_epi32(u7, u15);
- w8 = _mm_sub_epi32(u0, u8);
- w9 = _mm_sub_epi32(u1, u9);
- w10 = _mm_sub_epi32(u2, u10);
- w11 = _mm_sub_epi32(u3, u11);
- w12 = _mm_sub_epi32(u4, u12);
- w13 = _mm_sub_epi32(u5, u13);
- w14 = _mm_sub_epi32(u6, u14);
- w15 = _mm_sub_epi32(u7, u15);
-
- // shift and rounding
- v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
- v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
- v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
- v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
- v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
- v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
- v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
- v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
- v8 = _mm_add_epi32(w8, k__DCT_CONST_ROUNDING);
- v9 = _mm_add_epi32(w9, k__DCT_CONST_ROUNDING);
- v10 = _mm_add_epi32(w10, k__DCT_CONST_ROUNDING);
- v11 = _mm_add_epi32(w11, k__DCT_CONST_ROUNDING);
- v12 = _mm_add_epi32(w12, k__DCT_CONST_ROUNDING);
- v13 = _mm_add_epi32(w13, k__DCT_CONST_ROUNDING);
- v14 = _mm_add_epi32(w14, k__DCT_CONST_ROUNDING);
- v15 = _mm_add_epi32(w15, k__DCT_CONST_ROUNDING);
-
- u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
- u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
- u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
- u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
- u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
- u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
- u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
- u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
- u8 = _mm_srai_epi32(v8, DCT_CONST_BITS);
- u9 = _mm_srai_epi32(v9, DCT_CONST_BITS);
- u10 = _mm_srai_epi32(v10, DCT_CONST_BITS);
- u11 = _mm_srai_epi32(v11, DCT_CONST_BITS);
- u12 = _mm_srai_epi32(v12, DCT_CONST_BITS);
- u13 = _mm_srai_epi32(v13, DCT_CONST_BITS);
- u14 = _mm_srai_epi32(v14, DCT_CONST_BITS);
- u15 = _mm_srai_epi32(v15, DCT_CONST_BITS);
-
- // back to 16-bit and pack 8 integers into __m128i
- in[0] = _mm_packs_epi32(u0, u1);
- in[1] = _mm_packs_epi32(u2, u3);
- in[2] = _mm_packs_epi32(u4, u5);
- in[3] = _mm_packs_epi32(u6, u7);
- in[4] = _mm_packs_epi32(u8, u9);
- in[5] = _mm_packs_epi32(u10, u11);
- in[6] = _mm_packs_epi32(u12, u13);
- in[7] = _mm_packs_epi32(u14, u15);
-
- // stage 2
- s0 = _mm_add_epi16(in[0], in[2]);
- s1 = _mm_add_epi16(in[1], in[3]);
- s2 = _mm_sub_epi16(in[0], in[2]);
- s3 = _mm_sub_epi16(in[1], in[3]);
- u0 = _mm_unpacklo_epi16(in[4], in[5]);
- u1 = _mm_unpackhi_epi16(in[4], in[5]);
- u2 = _mm_unpacklo_epi16(in[6], in[7]);
- u3 = _mm_unpackhi_epi16(in[6], in[7]);
-
- v0 = _mm_madd_epi16(u0, k__cospi_p08_p24);
- v1 = _mm_madd_epi16(u1, k__cospi_p08_p24);
- v2 = _mm_madd_epi16(u0, k__cospi_p24_m08);
- v3 = _mm_madd_epi16(u1, k__cospi_p24_m08);
- v4 = _mm_madd_epi16(u2, k__cospi_m24_p08);
- v5 = _mm_madd_epi16(u3, k__cospi_m24_p08);
- v6 = _mm_madd_epi16(u2, k__cospi_p08_p24);
- v7 = _mm_madd_epi16(u3, k__cospi_p08_p24);
-
- w0 = _mm_add_epi32(v0, v4);
- w1 = _mm_add_epi32(v1, v5);
- w2 = _mm_add_epi32(v2, v6);
- w3 = _mm_add_epi32(v3, v7);
- w4 = _mm_sub_epi32(v0, v4);
- w5 = _mm_sub_epi32(v1, v5);
- w6 = _mm_sub_epi32(v2, v6);
- w7 = _mm_sub_epi32(v3, v7);
-
- v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
- v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
- v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
- v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
- v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
- v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
- v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
- v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
-
- u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
- u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
- u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
- u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
- u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
- u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
- u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
- u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
-
- // back to 16-bit intergers
- s4 = _mm_packs_epi32(u0, u1);
- s5 = _mm_packs_epi32(u2, u3);
- s6 = _mm_packs_epi32(u4, u5);
- s7 = _mm_packs_epi32(u6, u7);
-
- // stage 3
- u0 = _mm_unpacklo_epi16(s2, s3);
- u1 = _mm_unpackhi_epi16(s2, s3);
- u2 = _mm_unpacklo_epi16(s6, s7);
- u3 = _mm_unpackhi_epi16(s6, s7);
-
- v0 = _mm_madd_epi16(u0, k__cospi_p16_p16);
- v1 = _mm_madd_epi16(u1, k__cospi_p16_p16);
- v2 = _mm_madd_epi16(u0, k__cospi_p16_m16);
- v3 = _mm_madd_epi16(u1, k__cospi_p16_m16);
- v4 = _mm_madd_epi16(u2, k__cospi_p16_p16);
- v5 = _mm_madd_epi16(u3, k__cospi_p16_p16);
- v6 = _mm_madd_epi16(u2, k__cospi_p16_m16);
- v7 = _mm_madd_epi16(u3, k__cospi_p16_m16);
-
- u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
- u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
- u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
- u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
- u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING);
- u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING);
- u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING);
- u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING);
-
- v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
- v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
- v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
- v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
- v4 = _mm_srai_epi32(u4, DCT_CONST_BITS);
- v5 = _mm_srai_epi32(u5, DCT_CONST_BITS);
- v6 = _mm_srai_epi32(u6, DCT_CONST_BITS);
- v7 = _mm_srai_epi32(u7, DCT_CONST_BITS);
-
- s2 = _mm_packs_epi32(v0, v1);
- s3 = _mm_packs_epi32(v2, v3);
- s6 = _mm_packs_epi32(v4, v5);
- s7 = _mm_packs_epi32(v6, v7);
-
- // FIXME(jingning): do subtract using bit inversion?
- in[0] = s0;
- in[1] = _mm_sub_epi16(k__const_0, s4);
- in[2] = s6;
- in[3] = _mm_sub_epi16(k__const_0, s2);
- in[4] = s3;
- in[5] = _mm_sub_epi16(k__const_0, s7);
- in[6] = s5;
- in[7] = _mm_sub_epi16(k__const_0, s1);
-
- // transpose
- array_transpose_8x8(in, in);
-}
-
-void vp9_fht8x8_sse2(const int16_t *input, tran_low_t *output,
- int stride, int tx_type) {- __m128i in[8];
-
- switch (tx_type) {- case DCT_DCT:
- vpx_fdct8x8_sse2(input, output, stride);
- break;
- case ADST_DCT:
- load_buffer_8x8(input, in, stride);
- fadst8_sse2(in);
- fdct8_sse2(in);
- right_shift_8x8(in, 1);
- write_buffer_8x8(output, in, 8);
- break;
- case DCT_ADST:
- load_buffer_8x8(input, in, stride);
- fdct8_sse2(in);
- fadst8_sse2(in);
- right_shift_8x8(in, 1);
- write_buffer_8x8(output, in, 8);
- break;
- case ADST_ADST:
- load_buffer_8x8(input, in, stride);
- fadst8_sse2(in);
- fadst8_sse2(in);
- right_shift_8x8(in, 1);
- write_buffer_8x8(output, in, 8);
- break;
- default:
- assert(0);
- break;
- }
-}
-
-static INLINE void load_buffer_16x16(const int16_t* input, __m128i *in0,
- __m128i *in1, int stride) {- // load first 8 columns
- load_buffer_8x8(input, in0, stride);
- load_buffer_8x8(input + 8 * stride, in0 + 8, stride);
-
- input += 8;
- // load second 8 columns
- load_buffer_8x8(input, in1, stride);
- load_buffer_8x8(input + 8 * stride, in1 + 8, stride);
-}
-
-static INLINE void write_buffer_16x16(tran_low_t *output, __m128i *in0,
- __m128i *in1, int stride) {- // write first 8 columns
- write_buffer_8x8(output, in0, stride);
- write_buffer_8x8(output + 8 * stride, in0 + 8, stride);
- // write second 8 columns
- output += 8;
- write_buffer_8x8(output, in1, stride);
- write_buffer_8x8(output + 8 * stride, in1 + 8, stride);
-}
-
-static INLINE void array_transpose_16x16(__m128i *res0, __m128i *res1) {- __m128i tbuf[8];
- array_transpose_8x8(res0, res0);
- array_transpose_8x8(res1, tbuf);
- array_transpose_8x8(res0 + 8, res1);
- array_transpose_8x8(res1 + 8, res1 + 8);
-
- res0[8] = tbuf[0];
- res0[9] = tbuf[1];
- res0[10] = tbuf[2];
- res0[11] = tbuf[3];
- res0[12] = tbuf[4];
- res0[13] = tbuf[5];
- res0[14] = tbuf[6];
- res0[15] = tbuf[7];
-}
-
-static INLINE void right_shift_16x16(__m128i *res0, __m128i *res1) {- // perform rounding operations
- right_shift_8x8(res0, 2);
- right_shift_8x8(res0 + 8, 2);
- right_shift_8x8(res1, 2);
- right_shift_8x8(res1 + 8, 2);
-}
-
-static void fdct16_8col(__m128i *in) {- // perform 16x16 1-D DCT for 8 columns
- __m128i i[8], s[8], p[8], t[8], u[16], v[16];
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
- const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i k__cospi_p08_m24 = pair_set_epi16(cospi_8_64, -cospi_24_64);
- const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64);
- const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
- const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i k__cospi_p30_p02 = pair_set_epi16(cospi_30_64, cospi_2_64);
- const __m128i k__cospi_p14_p18 = pair_set_epi16(cospi_14_64, cospi_18_64);
- const __m128i k__cospi_m02_p30 = pair_set_epi16(-cospi_2_64, cospi_30_64);
- const __m128i k__cospi_m18_p14 = pair_set_epi16(-cospi_18_64, cospi_14_64);
- const __m128i k__cospi_p22_p10 = pair_set_epi16(cospi_22_64, cospi_10_64);
- const __m128i k__cospi_p06_p26 = pair_set_epi16(cospi_6_64, cospi_26_64);
- const __m128i k__cospi_m10_p22 = pair_set_epi16(-cospi_10_64, cospi_22_64);
- const __m128i k__cospi_m26_p06 = pair_set_epi16(-cospi_26_64, cospi_6_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
-
- // stage 1
- i[0] = _mm_add_epi16(in[0], in[15]);
- i[1] = _mm_add_epi16(in[1], in[14]);
- i[2] = _mm_add_epi16(in[2], in[13]);
- i[3] = _mm_add_epi16(in[3], in[12]);
- i[4] = _mm_add_epi16(in[4], in[11]);
- i[5] = _mm_add_epi16(in[5], in[10]);
- i[6] = _mm_add_epi16(in[6], in[9]);
- i[7] = _mm_add_epi16(in[7], in[8]);
-
- s[0] = _mm_sub_epi16(in[7], in[8]);
- s[1] = _mm_sub_epi16(in[6], in[9]);
- s[2] = _mm_sub_epi16(in[5], in[10]);
- s[3] = _mm_sub_epi16(in[4], in[11]);
- s[4] = _mm_sub_epi16(in[3], in[12]);
- s[5] = _mm_sub_epi16(in[2], in[13]);
- s[6] = _mm_sub_epi16(in[1], in[14]);
- s[7] = _mm_sub_epi16(in[0], in[15]);
-
- p[0] = _mm_add_epi16(i[0], i[7]);
- p[1] = _mm_add_epi16(i[1], i[6]);
- p[2] = _mm_add_epi16(i[2], i[5]);
- p[3] = _mm_add_epi16(i[3], i[4]);
- p[4] = _mm_sub_epi16(i[3], i[4]);
- p[5] = _mm_sub_epi16(i[2], i[5]);
- p[6] = _mm_sub_epi16(i[1], i[6]);
- p[7] = _mm_sub_epi16(i[0], i[7]);
-
- u[0] = _mm_add_epi16(p[0], p[3]);
- u[1] = _mm_add_epi16(p[1], p[2]);
- u[2] = _mm_sub_epi16(p[1], p[2]);
- u[3] = _mm_sub_epi16(p[0], p[3]);
-
- v[0] = _mm_unpacklo_epi16(u[0], u[1]);
- v[1] = _mm_unpackhi_epi16(u[0], u[1]);
- v[2] = _mm_unpacklo_epi16(u[2], u[3]);
- v[3] = _mm_unpackhi_epi16(u[2], u[3]);
-
- u[0] = _mm_madd_epi16(v[0], k__cospi_p16_p16);
- u[1] = _mm_madd_epi16(v[1], k__cospi_p16_p16);
- u[2] = _mm_madd_epi16(v[0], k__cospi_p16_m16);
- u[3] = _mm_madd_epi16(v[1], k__cospi_p16_m16);
- u[4] = _mm_madd_epi16(v[2], k__cospi_p24_p08);
- u[5] = _mm_madd_epi16(v[3], k__cospi_p24_p08);
- u[6] = _mm_madd_epi16(v[2], k__cospi_m08_p24);
- u[7] = _mm_madd_epi16(v[3], k__cospi_m08_p24);
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
- v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
- v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
- v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
- u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
- u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
- u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
- u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
-
- in[0] = _mm_packs_epi32(u[0], u[1]);
- in[4] = _mm_packs_epi32(u[4], u[5]);
- in[8] = _mm_packs_epi32(u[2], u[3]);
- in[12] = _mm_packs_epi32(u[6], u[7]);
-
- u[0] = _mm_unpacklo_epi16(p[5], p[6]);
- u[1] = _mm_unpackhi_epi16(p[5], p[6]);
- v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
- v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
-
- u[0] = _mm_packs_epi32(v[0], v[1]);
- u[1] = _mm_packs_epi32(v[2], v[3]);
-
- t[0] = _mm_add_epi16(p[4], u[0]);
- t[1] = _mm_sub_epi16(p[4], u[0]);
- t[2] = _mm_sub_epi16(p[7], u[1]);
- t[3] = _mm_add_epi16(p[7], u[1]);
-
- u[0] = _mm_unpacklo_epi16(t[0], t[3]);
- u[1] = _mm_unpackhi_epi16(t[0], t[3]);
- u[2] = _mm_unpacklo_epi16(t[1], t[2]);
- u[3] = _mm_unpackhi_epi16(t[1], t[2]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p28_p04);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p28_p04);
- v[2] = _mm_madd_epi16(u[2], k__cospi_p12_p20);
- v[3] = _mm_madd_epi16(u[3], k__cospi_p12_p20);
- v[4] = _mm_madd_epi16(u[2], k__cospi_m20_p12);
- v[5] = _mm_madd_epi16(u[3], k__cospi_m20_p12);
- v[6] = _mm_madd_epi16(u[0], k__cospi_m04_p28);
- v[7] = _mm_madd_epi16(u[1], k__cospi_m04_p28);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
-
- in[2] = _mm_packs_epi32(v[0], v[1]);
- in[6] = _mm_packs_epi32(v[4], v[5]);
- in[10] = _mm_packs_epi32(v[2], v[3]);
- in[14] = _mm_packs_epi32(v[6], v[7]);
-
- // stage 2
- u[0] = _mm_unpacklo_epi16(s[2], s[5]);
- u[1] = _mm_unpackhi_epi16(s[2], s[5]);
- u[2] = _mm_unpacklo_epi16(s[3], s[4]);
- u[3] = _mm_unpackhi_epi16(s[3], s[4]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
- v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
- v[2] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
- v[3] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
- v[6] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
- v[7] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
-
- t[2] = _mm_packs_epi32(v[0], v[1]);
- t[3] = _mm_packs_epi32(v[2], v[3]);
- t[4] = _mm_packs_epi32(v[4], v[5]);
- t[5] = _mm_packs_epi32(v[6], v[7]);
-
- // stage 3
- p[0] = _mm_add_epi16(s[0], t[3]);
- p[1] = _mm_add_epi16(s[1], t[2]);
- p[2] = _mm_sub_epi16(s[1], t[2]);
- p[3] = _mm_sub_epi16(s[0], t[3]);
- p[4] = _mm_sub_epi16(s[7], t[4]);
- p[5] = _mm_sub_epi16(s[6], t[5]);
- p[6] = _mm_add_epi16(s[6], t[5]);
- p[7] = _mm_add_epi16(s[7], t[4]);
-
- // stage 4
- u[0] = _mm_unpacklo_epi16(p[1], p[6]);
- u[1] = _mm_unpackhi_epi16(p[1], p[6]);
- u[2] = _mm_unpacklo_epi16(p[2], p[5]);
- u[3] = _mm_unpackhi_epi16(p[2], p[5]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_m08_p24);
- v[1] = _mm_madd_epi16(u[1], k__cospi_m08_p24);
- v[2] = _mm_madd_epi16(u[2], k__cospi_p24_p08);
- v[3] = _mm_madd_epi16(u[3], k__cospi_p24_p08);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p08_m24);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p08_m24);
- v[6] = _mm_madd_epi16(u[0], k__cospi_p24_p08);
- v[7] = _mm_madd_epi16(u[1], k__cospi_p24_p08);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
-
- t[1] = _mm_packs_epi32(v[0], v[1]);
- t[2] = _mm_packs_epi32(v[2], v[3]);
- t[5] = _mm_packs_epi32(v[4], v[5]);
- t[6] = _mm_packs_epi32(v[6], v[7]);
-
- // stage 5
- s[0] = _mm_add_epi16(p[0], t[1]);
- s[1] = _mm_sub_epi16(p[0], t[1]);
- s[2] = _mm_add_epi16(p[3], t[2]);
- s[3] = _mm_sub_epi16(p[3], t[2]);
- s[4] = _mm_sub_epi16(p[4], t[5]);
- s[5] = _mm_add_epi16(p[4], t[5]);
- s[6] = _mm_sub_epi16(p[7], t[6]);
- s[7] = _mm_add_epi16(p[7], t[6]);
-
- // stage 6
- u[0] = _mm_unpacklo_epi16(s[0], s[7]);
- u[1] = _mm_unpackhi_epi16(s[0], s[7]);
- u[2] = _mm_unpacklo_epi16(s[1], s[6]);
- u[3] = _mm_unpackhi_epi16(s[1], s[6]);
- u[4] = _mm_unpacklo_epi16(s[2], s[5]);
- u[5] = _mm_unpackhi_epi16(s[2], s[5]);
- u[6] = _mm_unpacklo_epi16(s[3], s[4]);
- u[7] = _mm_unpackhi_epi16(s[3], s[4]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p30_p02);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p30_p02);
- v[2] = _mm_madd_epi16(u[2], k__cospi_p14_p18);
- v[3] = _mm_madd_epi16(u[3], k__cospi_p14_p18);
- v[4] = _mm_madd_epi16(u[4], k__cospi_p22_p10);
- v[5] = _mm_madd_epi16(u[5], k__cospi_p22_p10);
- v[6] = _mm_madd_epi16(u[6], k__cospi_p06_p26);
- v[7] = _mm_madd_epi16(u[7], k__cospi_p06_p26);
- v[8] = _mm_madd_epi16(u[6], k__cospi_m26_p06);
- v[9] = _mm_madd_epi16(u[7], k__cospi_m26_p06);
- v[10] = _mm_madd_epi16(u[4], k__cospi_m10_p22);
- v[11] = _mm_madd_epi16(u[5], k__cospi_m10_p22);
- v[12] = _mm_madd_epi16(u[2], k__cospi_m18_p14);
- v[13] = _mm_madd_epi16(u[3], k__cospi_m18_p14);
- v[14] = _mm_madd_epi16(u[0], k__cospi_m02_p30);
- v[15] = _mm_madd_epi16(u[1], k__cospi_m02_p30);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
- u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
- u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
- u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
- u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
- u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
- u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
- u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
- u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
- v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
- v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
- v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
- v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
- v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
- v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
- v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
- v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
-
- in[1] = _mm_packs_epi32(v[0], v[1]);
- in[9] = _mm_packs_epi32(v[2], v[3]);
- in[5] = _mm_packs_epi32(v[4], v[5]);
- in[13] = _mm_packs_epi32(v[6], v[7]);
- in[3] = _mm_packs_epi32(v[8], v[9]);
- in[11] = _mm_packs_epi32(v[10], v[11]);
- in[7] = _mm_packs_epi32(v[12], v[13]);
- in[15] = _mm_packs_epi32(v[14], v[15]);
-}
-
-static void fadst16_8col(__m128i *in) {- // perform 16x16 1-D ADST for 8 columns
- __m128i s[16], x[16], u[32], v[32];
- const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64);
- const __m128i k__cospi_p31_m01 = pair_set_epi16(cospi_31_64, -cospi_1_64);
- const __m128i k__cospi_p05_p27 = pair_set_epi16(cospi_5_64, cospi_27_64);
- const __m128i k__cospi_p27_m05 = pair_set_epi16(cospi_27_64, -cospi_5_64);
- const __m128i k__cospi_p09_p23 = pair_set_epi16(cospi_9_64, cospi_23_64);
- const __m128i k__cospi_p23_m09 = pair_set_epi16(cospi_23_64, -cospi_9_64);
- const __m128i k__cospi_p13_p19 = pair_set_epi16(cospi_13_64, cospi_19_64);
- const __m128i k__cospi_p19_m13 = pair_set_epi16(cospi_19_64, -cospi_13_64);
- const __m128i k__cospi_p17_p15 = pair_set_epi16(cospi_17_64, cospi_15_64);
- const __m128i k__cospi_p15_m17 = pair_set_epi16(cospi_15_64, -cospi_17_64);
- const __m128i k__cospi_p21_p11 = pair_set_epi16(cospi_21_64, cospi_11_64);
- const __m128i k__cospi_p11_m21 = pair_set_epi16(cospi_11_64, -cospi_21_64);
- const __m128i k__cospi_p25_p07 = pair_set_epi16(cospi_25_64, cospi_7_64);
- const __m128i k__cospi_p07_m25 = pair_set_epi16(cospi_7_64, -cospi_25_64);
- const __m128i k__cospi_p29_p03 = pair_set_epi16(cospi_29_64, cospi_3_64);
- const __m128i k__cospi_p03_m29 = pair_set_epi16(cospi_3_64, -cospi_29_64);
- const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
- const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
- const __m128i k__cospi_m28_p04 = pair_set_epi16(-cospi_28_64, cospi_4_64);
- const __m128i k__cospi_m12_p20 = pair_set_epi16(-cospi_12_64, cospi_20_64);
- const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
- const __m128i k__cospi_m16_m16 = _mm_set1_epi16((int16_t)-cospi_16_64);
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i kZero = _mm_set1_epi16(0);
-
- u[0] = _mm_unpacklo_epi16(in[15], in[0]);
- u[1] = _mm_unpackhi_epi16(in[15], in[0]);
- u[2] = _mm_unpacklo_epi16(in[13], in[2]);
- u[3] = _mm_unpackhi_epi16(in[13], in[2]);
- u[4] = _mm_unpacklo_epi16(in[11], in[4]);
- u[5] = _mm_unpackhi_epi16(in[11], in[4]);
- u[6] = _mm_unpacklo_epi16(in[9], in[6]);
- u[7] = _mm_unpackhi_epi16(in[9], in[6]);
- u[8] = _mm_unpacklo_epi16(in[7], in[8]);
- u[9] = _mm_unpackhi_epi16(in[7], in[8]);
- u[10] = _mm_unpacklo_epi16(in[5], in[10]);
- u[11] = _mm_unpackhi_epi16(in[5], in[10]);
- u[12] = _mm_unpacklo_epi16(in[3], in[12]);
- u[13] = _mm_unpackhi_epi16(in[3], in[12]);
- u[14] = _mm_unpacklo_epi16(in[1], in[14]);
- u[15] = _mm_unpackhi_epi16(in[1], in[14]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p01_p31);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p01_p31);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p31_m01);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p31_m01);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p05_p27);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p05_p27);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p27_m05);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p27_m05);
- v[8] = _mm_madd_epi16(u[4], k__cospi_p09_p23);
- v[9] = _mm_madd_epi16(u[5], k__cospi_p09_p23);
- v[10] = _mm_madd_epi16(u[4], k__cospi_p23_m09);
- v[11] = _mm_madd_epi16(u[5], k__cospi_p23_m09);
- v[12] = _mm_madd_epi16(u[6], k__cospi_p13_p19);
- v[13] = _mm_madd_epi16(u[7], k__cospi_p13_p19);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p19_m13);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p19_m13);
- v[16] = _mm_madd_epi16(u[8], k__cospi_p17_p15);
- v[17] = _mm_madd_epi16(u[9], k__cospi_p17_p15);
- v[18] = _mm_madd_epi16(u[8], k__cospi_p15_m17);
- v[19] = _mm_madd_epi16(u[9], k__cospi_p15_m17);
- v[20] = _mm_madd_epi16(u[10], k__cospi_p21_p11);
- v[21] = _mm_madd_epi16(u[11], k__cospi_p21_p11);
- v[22] = _mm_madd_epi16(u[10], k__cospi_p11_m21);
- v[23] = _mm_madd_epi16(u[11], k__cospi_p11_m21);
- v[24] = _mm_madd_epi16(u[12], k__cospi_p25_p07);
- v[25] = _mm_madd_epi16(u[13], k__cospi_p25_p07);
- v[26] = _mm_madd_epi16(u[12], k__cospi_p07_m25);
- v[27] = _mm_madd_epi16(u[13], k__cospi_p07_m25);
- v[28] = _mm_madd_epi16(u[14], k__cospi_p29_p03);
- v[29] = _mm_madd_epi16(u[15], k__cospi_p29_p03);
- v[30] = _mm_madd_epi16(u[14], k__cospi_p03_m29);
- v[31] = _mm_madd_epi16(u[15], k__cospi_p03_m29);
-
- u[0] = _mm_add_epi32(v[0], v[16]);
- u[1] = _mm_add_epi32(v[1], v[17]);
- u[2] = _mm_add_epi32(v[2], v[18]);
- u[3] = _mm_add_epi32(v[3], v[19]);
- u[4] = _mm_add_epi32(v[4], v[20]);
- u[5] = _mm_add_epi32(v[5], v[21]);
- u[6] = _mm_add_epi32(v[6], v[22]);
- u[7] = _mm_add_epi32(v[7], v[23]);
- u[8] = _mm_add_epi32(v[8], v[24]);
- u[9] = _mm_add_epi32(v[9], v[25]);
- u[10] = _mm_add_epi32(v[10], v[26]);
- u[11] = _mm_add_epi32(v[11], v[27]);
- u[12] = _mm_add_epi32(v[12], v[28]);
- u[13] = _mm_add_epi32(v[13], v[29]);
- u[14] = _mm_add_epi32(v[14], v[30]);
- u[15] = _mm_add_epi32(v[15], v[31]);
- u[16] = _mm_sub_epi32(v[0], v[16]);
- u[17] = _mm_sub_epi32(v[1], v[17]);
- u[18] = _mm_sub_epi32(v[2], v[18]);
- u[19] = _mm_sub_epi32(v[3], v[19]);
- u[20] = _mm_sub_epi32(v[4], v[20]);
- u[21] = _mm_sub_epi32(v[5], v[21]);
- u[22] = _mm_sub_epi32(v[6], v[22]);
- u[23] = _mm_sub_epi32(v[7], v[23]);
- u[24] = _mm_sub_epi32(v[8], v[24]);
- u[25] = _mm_sub_epi32(v[9], v[25]);
- u[26] = _mm_sub_epi32(v[10], v[26]);
- u[27] = _mm_sub_epi32(v[11], v[27]);
- u[28] = _mm_sub_epi32(v[12], v[28]);
- u[29] = _mm_sub_epi32(v[13], v[29]);
- u[30] = _mm_sub_epi32(v[14], v[30]);
- u[31] = _mm_sub_epi32(v[15], v[31]);
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
- v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
- v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
- v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
- v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
- v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
- v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
- v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
- v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
- v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
- v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
- v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
- v[16] = _mm_add_epi32(u[16], k__DCT_CONST_ROUNDING);
- v[17] = _mm_add_epi32(u[17], k__DCT_CONST_ROUNDING);
- v[18] = _mm_add_epi32(u[18], k__DCT_CONST_ROUNDING);
- v[19] = _mm_add_epi32(u[19], k__DCT_CONST_ROUNDING);
- v[20] = _mm_add_epi32(u[20], k__DCT_CONST_ROUNDING);
- v[21] = _mm_add_epi32(u[21], k__DCT_CONST_ROUNDING);
- v[22] = _mm_add_epi32(u[22], k__DCT_CONST_ROUNDING);
- v[23] = _mm_add_epi32(u[23], k__DCT_CONST_ROUNDING);
- v[24] = _mm_add_epi32(u[24], k__DCT_CONST_ROUNDING);
- v[25] = _mm_add_epi32(u[25], k__DCT_CONST_ROUNDING);
- v[26] = _mm_add_epi32(u[26], k__DCT_CONST_ROUNDING);
- v[27] = _mm_add_epi32(u[27], k__DCT_CONST_ROUNDING);
- v[28] = _mm_add_epi32(u[28], k__DCT_CONST_ROUNDING);
- v[29] = _mm_add_epi32(u[29], k__DCT_CONST_ROUNDING);
- v[30] = _mm_add_epi32(u[30], k__DCT_CONST_ROUNDING);
- v[31] = _mm_add_epi32(u[31], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
- u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
- u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
- u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
- u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
- u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
- u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
- u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
- u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
- u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
- u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
- u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
- u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
- u[16] = _mm_srai_epi32(v[16], DCT_CONST_BITS);
- u[17] = _mm_srai_epi32(v[17], DCT_CONST_BITS);
- u[18] = _mm_srai_epi32(v[18], DCT_CONST_BITS);
- u[19] = _mm_srai_epi32(v[19], DCT_CONST_BITS);
- u[20] = _mm_srai_epi32(v[20], DCT_CONST_BITS);
- u[21] = _mm_srai_epi32(v[21], DCT_CONST_BITS);
- u[22] = _mm_srai_epi32(v[22], DCT_CONST_BITS);
- u[23] = _mm_srai_epi32(v[23], DCT_CONST_BITS);
- u[24] = _mm_srai_epi32(v[24], DCT_CONST_BITS);
- u[25] = _mm_srai_epi32(v[25], DCT_CONST_BITS);
- u[26] = _mm_srai_epi32(v[26], DCT_CONST_BITS);
- u[27] = _mm_srai_epi32(v[27], DCT_CONST_BITS);
- u[28] = _mm_srai_epi32(v[28], DCT_CONST_BITS);
- u[29] = _mm_srai_epi32(v[29], DCT_CONST_BITS);
- u[30] = _mm_srai_epi32(v[30], DCT_CONST_BITS);
- u[31] = _mm_srai_epi32(v[31], DCT_CONST_BITS);
-
- s[0] = _mm_packs_epi32(u[0], u[1]);
- s[1] = _mm_packs_epi32(u[2], u[3]);
- s[2] = _mm_packs_epi32(u[4], u[5]);
- s[3] = _mm_packs_epi32(u[6], u[7]);
- s[4] = _mm_packs_epi32(u[8], u[9]);
- s[5] = _mm_packs_epi32(u[10], u[11]);
- s[6] = _mm_packs_epi32(u[12], u[13]);
- s[7] = _mm_packs_epi32(u[14], u[15]);
- s[8] = _mm_packs_epi32(u[16], u[17]);
- s[9] = _mm_packs_epi32(u[18], u[19]);
- s[10] = _mm_packs_epi32(u[20], u[21]);
- s[11] = _mm_packs_epi32(u[22], u[23]);
- s[12] = _mm_packs_epi32(u[24], u[25]);
- s[13] = _mm_packs_epi32(u[26], u[27]);
- s[14] = _mm_packs_epi32(u[28], u[29]);
- s[15] = _mm_packs_epi32(u[30], u[31]);
-
- // stage 2
- u[0] = _mm_unpacklo_epi16(s[8], s[9]);
- u[1] = _mm_unpackhi_epi16(s[8], s[9]);
- u[2] = _mm_unpacklo_epi16(s[10], s[11]);
- u[3] = _mm_unpackhi_epi16(s[10], s[11]);
- u[4] = _mm_unpacklo_epi16(s[12], s[13]);
- u[5] = _mm_unpackhi_epi16(s[12], s[13]);
- u[6] = _mm_unpacklo_epi16(s[14], s[15]);
- u[7] = _mm_unpackhi_epi16(s[14], s[15]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
- v[8] = _mm_madd_epi16(u[4], k__cospi_m28_p04);
- v[9] = _mm_madd_epi16(u[5], k__cospi_m28_p04);
- v[10] = _mm_madd_epi16(u[4], k__cospi_p04_p28);
- v[11] = _mm_madd_epi16(u[5], k__cospi_p04_p28);
- v[12] = _mm_madd_epi16(u[6], k__cospi_m12_p20);
- v[13] = _mm_madd_epi16(u[7], k__cospi_m12_p20);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p20_p12);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p20_p12);
-
- u[0] = _mm_add_epi32(v[0], v[8]);
- u[1] = _mm_add_epi32(v[1], v[9]);
- u[2] = _mm_add_epi32(v[2], v[10]);
- u[3] = _mm_add_epi32(v[3], v[11]);
- u[4] = _mm_add_epi32(v[4], v[12]);
- u[5] = _mm_add_epi32(v[5], v[13]);
- u[6] = _mm_add_epi32(v[6], v[14]);
- u[7] = _mm_add_epi32(v[7], v[15]);
- u[8] = _mm_sub_epi32(v[0], v[8]);
- u[9] = _mm_sub_epi32(v[1], v[9]);
- u[10] = _mm_sub_epi32(v[2], v[10]);
- u[11] = _mm_sub_epi32(v[3], v[11]);
- u[12] = _mm_sub_epi32(v[4], v[12]);
- u[13] = _mm_sub_epi32(v[5], v[13]);
- u[14] = _mm_sub_epi32(v[6], v[14]);
- u[15] = _mm_sub_epi32(v[7], v[15]);
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
- v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
- v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
- v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
- v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
- v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
- v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
- v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
- v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
- v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
- v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
- v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
- u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
- u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
- u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
- u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
- u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
- u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
- u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
- u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
- u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
- u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
- u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
- u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
-
- x[0] = _mm_add_epi16(s[0], s[4]);
- x[1] = _mm_add_epi16(s[1], s[5]);
- x[2] = _mm_add_epi16(s[2], s[6]);
- x[3] = _mm_add_epi16(s[3], s[7]);
- x[4] = _mm_sub_epi16(s[0], s[4]);
- x[5] = _mm_sub_epi16(s[1], s[5]);
- x[6] = _mm_sub_epi16(s[2], s[6]);
- x[7] = _mm_sub_epi16(s[3], s[7]);
- x[8] = _mm_packs_epi32(u[0], u[1]);
- x[9] = _mm_packs_epi32(u[2], u[3]);
- x[10] = _mm_packs_epi32(u[4], u[5]);
- x[11] = _mm_packs_epi32(u[6], u[7]);
- x[12] = _mm_packs_epi32(u[8], u[9]);
- x[13] = _mm_packs_epi32(u[10], u[11]);
- x[14] = _mm_packs_epi32(u[12], u[13]);
- x[15] = _mm_packs_epi32(u[14], u[15]);
-
- // stage 3
- u[0] = _mm_unpacklo_epi16(x[4], x[5]);
- u[1] = _mm_unpackhi_epi16(x[4], x[5]);
- u[2] = _mm_unpacklo_epi16(x[6], x[7]);
- u[3] = _mm_unpackhi_epi16(x[6], x[7]);
- u[4] = _mm_unpacklo_epi16(x[12], x[13]);
- u[5] = _mm_unpackhi_epi16(x[12], x[13]);
- u[6] = _mm_unpacklo_epi16(x[14], x[15]);
- u[7] = _mm_unpackhi_epi16(x[14], x[15]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
- v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08);
- v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
- v[8] = _mm_madd_epi16(u[4], k__cospi_p08_p24);
- v[9] = _mm_madd_epi16(u[5], k__cospi_p08_p24);
- v[10] = _mm_madd_epi16(u[4], k__cospi_p24_m08);
- v[11] = _mm_madd_epi16(u[5], k__cospi_p24_m08);
- v[12] = _mm_madd_epi16(u[6], k__cospi_m24_p08);
- v[13] = _mm_madd_epi16(u[7], k__cospi_m24_p08);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p08_p24);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p08_p24);
-
- u[0] = _mm_add_epi32(v[0], v[4]);
- u[1] = _mm_add_epi32(v[1], v[5]);
- u[2] = _mm_add_epi32(v[2], v[6]);
- u[3] = _mm_add_epi32(v[3], v[7]);
- u[4] = _mm_sub_epi32(v[0], v[4]);
- u[5] = _mm_sub_epi32(v[1], v[5]);
- u[6] = _mm_sub_epi32(v[2], v[6]);
- u[7] = _mm_sub_epi32(v[3], v[7]);
- u[8] = _mm_add_epi32(v[8], v[12]);
- u[9] = _mm_add_epi32(v[9], v[13]);
- u[10] = _mm_add_epi32(v[10], v[14]);
- u[11] = _mm_add_epi32(v[11], v[15]);
- u[12] = _mm_sub_epi32(v[8], v[12]);
- u[13] = _mm_sub_epi32(v[9], v[13]);
- u[14] = _mm_sub_epi32(v[10], v[14]);
- u[15] = _mm_sub_epi32(v[11], v[15]);
-
- u[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
- u[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
- u[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
- u[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
- u[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
- u[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
- u[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
- u[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
- u[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
- v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
- v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
- v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
- v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
- v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
- v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
- v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
- v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
-
- s[0] = _mm_add_epi16(x[0], x[2]);
- s[1] = _mm_add_epi16(x[1], x[3]);
- s[2] = _mm_sub_epi16(x[0], x[2]);
- s[3] = _mm_sub_epi16(x[1], x[3]);
- s[4] = _mm_packs_epi32(v[0], v[1]);
- s[5] = _mm_packs_epi32(v[2], v[3]);
- s[6] = _mm_packs_epi32(v[4], v[5]);
- s[7] = _mm_packs_epi32(v[6], v[7]);
- s[8] = _mm_add_epi16(x[8], x[10]);
- s[9] = _mm_add_epi16(x[9], x[11]);
- s[10] = _mm_sub_epi16(x[8], x[10]);
- s[11] = _mm_sub_epi16(x[9], x[11]);
- s[12] = _mm_packs_epi32(v[8], v[9]);
- s[13] = _mm_packs_epi32(v[10], v[11]);
- s[14] = _mm_packs_epi32(v[12], v[13]);
- s[15] = _mm_packs_epi32(v[14], v[15]);
-
- // stage 4
- u[0] = _mm_unpacklo_epi16(s[2], s[3]);
- u[1] = _mm_unpackhi_epi16(s[2], s[3]);
- u[2] = _mm_unpacklo_epi16(s[6], s[7]);
- u[3] = _mm_unpackhi_epi16(s[6], s[7]);
- u[4] = _mm_unpacklo_epi16(s[10], s[11]);
- u[5] = _mm_unpackhi_epi16(s[10], s[11]);
- u[6] = _mm_unpacklo_epi16(s[14], s[15]);
- u[7] = _mm_unpackhi_epi16(s[14], s[15]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_m16_m16);
- v[1] = _mm_madd_epi16(u[1], k__cospi_m16_m16);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
- v[6] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
- v[7] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
- v[8] = _mm_madd_epi16(u[4], k__cospi_p16_p16);
- v[9] = _mm_madd_epi16(u[5], k__cospi_p16_p16);
- v[10] = _mm_madd_epi16(u[4], k__cospi_m16_p16);
- v[11] = _mm_madd_epi16(u[5], k__cospi_m16_p16);
- v[12] = _mm_madd_epi16(u[6], k__cospi_m16_m16);
- v[13] = _mm_madd_epi16(u[7], k__cospi_m16_m16);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p16_m16);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p16_m16);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
- u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
- u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
- u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
- u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
- u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
- u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
- u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
- u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
- v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
- v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
- v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
- v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
- v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
- v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
- v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
- v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
-
- in[0] = s[0];
- in[1] = _mm_sub_epi16(kZero, s[8]);
- in[2] = s[12];
- in[3] = _mm_sub_epi16(kZero, s[4]);
- in[4] = _mm_packs_epi32(v[4], v[5]);
- in[5] = _mm_packs_epi32(v[12], v[13]);
- in[6] = _mm_packs_epi32(v[8], v[9]);
- in[7] = _mm_packs_epi32(v[0], v[1]);
- in[8] = _mm_packs_epi32(v[2], v[3]);
- in[9] = _mm_packs_epi32(v[10], v[11]);
- in[10] = _mm_packs_epi32(v[14], v[15]);
- in[11] = _mm_packs_epi32(v[6], v[7]);
- in[12] = s[5];
- in[13] = _mm_sub_epi16(kZero, s[13]);
- in[14] = s[9];
- in[15] = _mm_sub_epi16(kZero, s[1]);
-}
-
-static void fdct16_sse2(__m128i *in0, __m128i *in1) {- fdct16_8col(in0);
- fdct16_8col(in1);
- array_transpose_16x16(in0, in1);
-}
-
-static void fadst16_sse2(__m128i *in0, __m128i *in1) {- fadst16_8col(in0);
- fadst16_8col(in1);
- array_transpose_16x16(in0, in1);
-}
-
-void vp9_fht16x16_sse2(const int16_t *input, tran_low_t *output,
- int stride, int tx_type) {- __m128i in0[16], in1[16];
-
- switch (tx_type) {- case DCT_DCT:
- vpx_fdct16x16_sse2(input, output, stride);
- break;
- case ADST_DCT:
- load_buffer_16x16(input, in0, in1, stride);
- fadst16_sse2(in0, in1);
- right_shift_16x16(in0, in1);
- fdct16_sse2(in0, in1);
- write_buffer_16x16(output, in0, in1, 16);
- break;
- case DCT_ADST:
- load_buffer_16x16(input, in0, in1, stride);
- fdct16_sse2(in0, in1);
- right_shift_16x16(in0, in1);
- fadst16_sse2(in0, in1);
- write_buffer_16x16(output, in0, in1, 16);
- break;
- case ADST_ADST:
- load_buffer_16x16(input, in0, in1, stride);
- fadst16_sse2(in0, in1);
- right_shift_16x16(in0, in1);
- fadst16_sse2(in0, in1);
- write_buffer_16x16(output, in0, in1, 16);
- break;
- default:
- assert(0);
- break;
- }
-}
--- a/vp9/vp9cx.mk
+++ b/vp9/vp9cx.mk
@@ -102,7 +102,7 @@
endif
ifeq ($(CONFIG_USE_X86INC),yes)
-VP9_CX_SRCS-$(HAVE_MMX) += encoder/x86/vp9_dct_mmx.asm
+VP9_CX_SRCS-$(HAVE_SSE2) += encoder/x86/vp9_dct_sse2.asm
ifeq ($(CONFIG_VP9_HIGHBITDEPTH),yes)
VP9_CX_SRCS-$(HAVE_SSE2) += encoder/x86/vp9_highbd_error_sse2.asm
VP9_CX_SRCS-$(HAVE_AVX) += encoder/x86/vp9_highbd_error_avx.asm
@@ -117,7 +117,7 @@
endif
endif
-VP9_CX_SRCS-$(HAVE_SSE2) += encoder/x86/vp9_dct_sse2.c
+VP9_CX_SRCS-$(HAVE_SSE2) += encoder/x86/vp9_dct_intrin_sse2.c
VP9_CX_SRCS-$(HAVE_SSSE3) += encoder/x86/vp9_dct_ssse3.c
ifneq ($(CONFIG_VP9_HIGHBITDEPTH),yes)
VP9_CX_SRCS-$(HAVE_SSSE3) += encoder/x86/vp9_frame_scale_ssse3.c
--
⑨