ref: ec3100661c090c4f46fe231cef51897dc6660551
parent: 66eff0aa3878c0f3aa6a93d0f171ffd63356c2f7
author: Yunqing Wang <yunqingwang@google.com>
date: Thu Mar 21 05:22:22 EDT 2013
Optimize 16x16 idct function Wrote sse2 version of vp9_short_idct16x16 function. Compared to c version, the sse2 version is over 2.5X faster. Change-Id: I38536e2b846427a2cc5c5423aaf305fd0e605d61
--- a/vp9/common/vp9_rtcd_defs.sh
+++ b/vp9/common/vp9_rtcd_defs.sh
@@ -295,7 +295,7 @@
specialize vp9_short_idct1_8x8
prototype void vp9_short_idct16x16 "int16_t *input, int16_t *output, int pitch"
-specialize vp9_short_idct16x16
+specialize vp9_short_idct16x16 sse2
prototype void vp9_short_idct10_16x16 "int16_t *input, int16_t *output, int pitch"
specialize vp9_short_idct10_16x16
--- a/vp9/common/x86/vp9_idct_x86.c
+++ b/vp9/common/x86/vp9_idct_x86.c
@@ -234,6 +234,36 @@
_mm_storel_epi64((__m128i *)output, in);
}
+#define TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, \
+ out0, out1, out2, out3, out4, out5, out6, out7) \
+ { \+ const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
+ const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
+ const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \
+ const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \
+ const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); \
+ const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \
+ const __m128i tr0_6 = _mm_unpackhi_epi16(in4, in5); \
+ const __m128i tr0_7 = _mm_unpackhi_epi16(in6, in7); \
+ \
+ 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); \
+ \
+ out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
+ out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
+ out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
+ out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
+ out4 = _mm_unpacklo_epi64(tr1_1, tr1_5); \
+ out5 = _mm_unpackhi_epi64(tr1_1, tr1_5); \
+ out6 = _mm_unpacklo_epi64(tr1_3, tr1_7); \
+ out7 = _mm_unpackhi_epi64(tr1_3, tr1_7); \
+ }
#define IDCT8x8_1D \
/* Stage1 */ \
@@ -392,35 +422,9 @@
// 2-D
for (i = 0; i < 2; i++) {// 8x8 Transpose is copied from vp9_short_fdct8x8_sse2()
- {- const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1);
- const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3);
- const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1);
- const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3);
- const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5);
- const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7);
- const __m128i tr0_6 = _mm_unpackhi_epi16(in4, in5);
- const __m128i tr0_7 = _mm_unpackhi_epi16(in6, in7);
+ TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
+ in4, in5, in6, in7);
- 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);
-
- 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);
- }
-
// 4-stage 1D idct8x8
IDCT8x8_1D
}
@@ -632,5 +636,508 @@
_mm_store_si128((__m128i *)(output + half_pitch * 5), in5);
_mm_store_si128((__m128i *)(output + half_pitch * 6), in6);
_mm_store_si128((__m128i *)(output + half_pitch * 7), in7);
+}
+
+void vp9_short_idct16x16_sse2(int16_t *input, int16_t *output, int pitch) {+ const int half_pitch = pitch >> 1;
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1<<5);
+ const __m128i zero = _mm_setzero_si128();
+
+ const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
+ const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
+ const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
+ const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
+ const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
+
+ const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
+ const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
+
+ const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
+ const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+
+ const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+
+ __m128i in0 = zero, in1 = zero, in2 = zero, in3 = zero, in4 = zero,
+ in5 = zero, in6 = zero, in7 = zero, in8 = zero, in9 = zero,
+ in10 = zero, in11 = zero, in12 = zero, in13 = zero,
+ in14 = zero, in15 = zero;
+ __m128i l0 = zero, l1 = zero, l2 = zero, l3 = zero, l4 = zero, l5 = zero,
+ l6 = zero, l7 = zero, l8 = zero, l9 = zero, l10 = zero, l11 = zero,
+ l12 = zero, l13 = zero, l14 = zero, l15 = zero;
+ __m128i r0 = zero, r1 = zero, r2 = zero, r3 = zero, r4 = zero, r5 = zero,
+ r6 = zero, r7 = zero, r8 = zero, r9 = zero, r10 = zero, r11 = zero,
+ r12 = zero, r13 = zero, r14 = zero, r15 = zero;
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
+ stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
+ stp1_8_0, stp1_12_0;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
+ stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ int i;
+
+ // We work on a 8x16 block each time, and loop 4 times for 2-D 16x16 idct.
+ for (i = 0; i < 4; i++) {+ // 1-D idct
+ if (i < 2) {+ if (i == 1) input += 128;
+
+ // Load input data.
+ in0 = _mm_load_si128((__m128i *)input);
+ in8 = _mm_load_si128((__m128i *)(input + 8 * 1));
+ in1 = _mm_load_si128((__m128i *)(input + 8 * 2));
+ in9 = _mm_load_si128((__m128i *)(input + 8 * 3));
+ in2 = _mm_load_si128((__m128i *)(input + 8 * 4));
+ in10 = _mm_load_si128((__m128i *)(input + 8 * 5));
+ in3 = _mm_load_si128((__m128i *)(input + 8 * 6));
+ in11 = _mm_load_si128((__m128i *)(input + 8 * 7));
+ in4 = _mm_load_si128((__m128i *)(input + 8 * 8));
+ in12 = _mm_load_si128((__m128i *)(input + 8 * 9));
+ in5 = _mm_load_si128((__m128i *)(input + 8 * 10));
+ in13 = _mm_load_si128((__m128i *)(input + 8 * 11));
+ in6 = _mm_load_si128((__m128i *)(input + 8 * 12));
+ in14 = _mm_load_si128((__m128i *)(input + 8 * 13));
+ in7 = _mm_load_si128((__m128i *)(input + 8 * 14));
+ in15 = _mm_load_si128((__m128i *)(input + 8 * 15));
+
+ TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
+ in4, in5, in6, in7);
+ TRANSPOSE_8X8(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9,
+ in10, in11, in12, in13, in14, in15);
+ }
+
+ if (i == 2) {+ TRANSPOSE_8X8(l0, l1, l2, l3, l4, l5, l6, l7, in0, in1, in2, in3, in4,
+ in5, in6, in7);
+ TRANSPOSE_8X8(r0, r1, r2, r3, r4, r5, r6, r7, in8, in9, in10, in11, in12,
+ in13, in14, in15);
+ }
+
+ if (i == 3) {+ TRANSPOSE_8X8(l8, l9, l10, l11, l12, l13, l14, l15, in0, in1, in2, in3,
+ in4, in5, in6, in7);
+ TRANSPOSE_8X8(r8, r9, r10, r11, r12, r13, r14, r15, in8, in9, in10, in11,
+ in12, in13, in14, in15);
+ }
+
+ // Stage2
+ {+ const __m128i lo_1_15 = _mm_unpacklo_epi16(in1, in15);
+ const __m128i hi_1_15 = _mm_unpackhi_epi16(in1, in15);
+ const __m128i lo_9_7 = _mm_unpacklo_epi16(in9, in7);
+ const __m128i hi_9_7 = _mm_unpackhi_epi16(in9, in7);
+ const __m128i lo_5_11 = _mm_unpacklo_epi16(in5, in11);
+ const __m128i hi_5_11 = _mm_unpackhi_epi16(in5, in11);
+ const __m128i lo_13_3 = _mm_unpacklo_epi16(in13, in3);
+ const __m128i hi_13_3 = _mm_unpackhi_epi16(in13, in3);
+
+ tmp0 = _mm_madd_epi16(lo_1_15, stg2_0);
+ tmp1 = _mm_madd_epi16(hi_1_15, stg2_0);
+ tmp2 = _mm_madd_epi16(lo_1_15, stg2_1);
+ tmp3 = _mm_madd_epi16(hi_1_15, stg2_1);
+ tmp4 = _mm_madd_epi16(lo_9_7, stg2_2);
+ tmp5 = _mm_madd_epi16(hi_9_7, stg2_2);
+ tmp6 = _mm_madd_epi16(lo_9_7, stg2_3);
+ tmp7 = _mm_madd_epi16(hi_9_7, stg2_3);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp5 = _mm_add_epi32(tmp5, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+ tmp7 = _mm_add_epi32(tmp7, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
+
+ stp2_8 = _mm_packs_epi32(tmp0, tmp1);
+ stp2_15 = _mm_packs_epi32(tmp2, tmp3);
+ stp2_9 = _mm_packs_epi32(tmp4, tmp5);
+ stp2_14 = _mm_packs_epi32(tmp6, tmp7);
+
+ tmp0 = _mm_madd_epi16(lo_5_11, stg2_4);
+ tmp1 = _mm_madd_epi16(hi_5_11, stg2_4);
+ tmp2 = _mm_madd_epi16(lo_5_11, stg2_5);
+ tmp3 = _mm_madd_epi16(hi_5_11, stg2_5);
+ tmp4 = _mm_madd_epi16(lo_13_3, stg2_6);
+ tmp5 = _mm_madd_epi16(hi_13_3, stg2_6);
+ tmp6 = _mm_madd_epi16(lo_13_3, stg2_7);
+ tmp7 = _mm_madd_epi16(hi_13_3, stg2_7);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp5 = _mm_add_epi32(tmp5, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+ tmp7 = _mm_add_epi32(tmp7, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
+
+ stp2_10 = _mm_packs_epi32(tmp0, tmp1);
+ stp2_13 = _mm_packs_epi32(tmp2, tmp3);
+ stp2_11 = _mm_packs_epi32(tmp4, tmp5);
+ stp2_12 = _mm_packs_epi32(tmp6, tmp7);
+ }
+
+ // Stage3
+ {+ const __m128i lo_2_14 = _mm_unpacklo_epi16(in2, in14);
+ const __m128i hi_2_14 = _mm_unpackhi_epi16(in2, in14);
+ const __m128i lo_10_6 = _mm_unpacklo_epi16(in10, in6);
+ const __m128i hi_10_6 = _mm_unpackhi_epi16(in10, in6);
+
+ tmp0 = _mm_madd_epi16(lo_2_14, stg3_0);
+ tmp1 = _mm_madd_epi16(hi_2_14, stg3_0);
+ tmp2 = _mm_madd_epi16(lo_2_14, stg3_1);
+ tmp3 = _mm_madd_epi16(hi_2_14, stg3_1);
+ tmp4 = _mm_madd_epi16(lo_10_6, stg3_2);
+ tmp5 = _mm_madd_epi16(hi_10_6, stg3_2);
+ tmp6 = _mm_madd_epi16(lo_10_6, stg3_3);
+ tmp7 = _mm_madd_epi16(hi_10_6, stg3_3);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp5 = _mm_add_epi32(tmp5, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+ tmp7 = _mm_add_epi32(tmp7, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
+
+ stp1_4 = _mm_packs_epi32(tmp0, tmp1);
+ stp1_7 = _mm_packs_epi32(tmp2, tmp3);
+ stp1_5 = _mm_packs_epi32(tmp4, tmp5);
+ stp1_6 = _mm_packs_epi32(tmp6, tmp7);
+
+ stp1_8_0 = _mm_add_epi16(stp2_8, stp2_9);
+ stp1_9 = _mm_sub_epi16(stp2_8, stp2_9);
+ stp1_10 = _mm_sub_epi16(stp2_11, stp2_10);
+ stp1_11 = _mm_add_epi16(stp2_11, stp2_10);
+
+ stp1_12_0 = _mm_add_epi16(stp2_12, stp2_13);
+ stp1_13 = _mm_sub_epi16(stp2_12, stp2_13);
+ stp1_14 = _mm_sub_epi16(stp2_15, stp2_14);
+ stp1_15 = _mm_add_epi16(stp2_15, stp2_14);
+ }
+
+ // Stage4
+ {+ const __m128i lo_0_8 = _mm_unpacklo_epi16(in0, in8);
+ const __m128i hi_0_8 = _mm_unpackhi_epi16(in0, in8);
+ const __m128i lo_4_12 = _mm_unpacklo_epi16(in4, in12);
+ const __m128i hi_4_12 = _mm_unpackhi_epi16(in4, in12);
+
+ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14);
+ const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14);
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13);
+
+ tmp0 = _mm_madd_epi16(lo_0_8, stg4_0);
+ tmp1 = _mm_madd_epi16(hi_0_8, stg4_0);
+ tmp2 = _mm_madd_epi16(lo_0_8, stg4_1);
+ tmp3 = _mm_madd_epi16(hi_0_8, stg4_1);
+ tmp4 = _mm_madd_epi16(lo_4_12, stg4_2);
+ tmp5 = _mm_madd_epi16(hi_4_12, stg4_2);
+ tmp6 = _mm_madd_epi16(lo_4_12, stg4_3);
+ tmp7 = _mm_madd_epi16(hi_4_12, stg4_3);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp5 = _mm_add_epi32(tmp5, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+ tmp7 = _mm_add_epi32(tmp7, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
+
+ stp2_0 = _mm_packs_epi32(tmp0, tmp1);
+ stp2_1 = _mm_packs_epi32(tmp2, tmp3);
+ stp2_2 = _mm_packs_epi32(tmp4, tmp5);
+ stp2_3 = _mm_packs_epi32(tmp6, tmp7);
+
+ stp2_4 = _mm_add_epi16(stp1_4, stp1_5);
+ stp2_5 = _mm_sub_epi16(stp1_4, stp1_5);
+ stp2_6 = _mm_sub_epi16(stp1_7, stp1_6);
+ stp2_7 = _mm_add_epi16(stp1_7, stp1_6);
+
+ tmp0 = _mm_madd_epi16(lo_9_14, stg4_4);
+ tmp1 = _mm_madd_epi16(hi_9_14, stg4_4);
+ tmp2 = _mm_madd_epi16(lo_9_14, stg4_5);
+ tmp3 = _mm_madd_epi16(hi_9_14, stg4_5);
+ tmp4 = _mm_madd_epi16(lo_10_13, stg4_6);
+ tmp5 = _mm_madd_epi16(hi_10_13, stg4_6);
+ tmp6 = _mm_madd_epi16(lo_10_13, stg4_7);
+ tmp7 = _mm_madd_epi16(hi_10_13, stg4_7);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp5 = _mm_add_epi32(tmp5, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+ tmp7 = _mm_add_epi32(tmp7, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
+
+ stp2_9 = _mm_packs_epi32(tmp0, tmp1);
+ stp2_14 = _mm_packs_epi32(tmp2, tmp3);
+ stp2_10 = _mm_packs_epi32(tmp4, tmp5);
+ stp2_13 = _mm_packs_epi32(tmp6, tmp7);
+ }
+
+ // Stage5
+ {+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5);
+ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5);
+
+ stp1_0 = _mm_add_epi16(stp2_0, stp2_3);
+ stp1_1 = _mm_add_epi16(stp2_1, stp2_2);
+ stp1_2 = _mm_sub_epi16(stp2_1, stp2_2);
+ stp1_3 = _mm_sub_epi16(stp2_0, stp2_3);
+
+ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1);
+ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1);
+ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0);
+ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+
+ stp1_5 = _mm_packs_epi32(tmp0, tmp1);
+ stp1_6 = _mm_packs_epi32(tmp2, tmp3);
+
+ stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11);
+ stp1_9 = _mm_add_epi16(stp2_9, stp2_10);
+ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10);
+ stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11);
+
+ stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0);
+ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13);
+ stp1_14 = _mm_add_epi16(stp2_14, stp2_13);
+ stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0);
+ }
+
+ // Stage6
+ {+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13);
+ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12);
+ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12);
+
+ stp2_0 = _mm_add_epi16(stp1_0, stp2_7);
+ stp2_1 = _mm_add_epi16(stp1_1, stp1_6);
+ stp2_2 = _mm_add_epi16(stp1_2, stp1_5);
+ stp2_3 = _mm_add_epi16(stp1_3, stp2_4);
+ stp2_4 = _mm_sub_epi16(stp1_3, stp2_4);
+ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5);
+ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6);
+ stp2_7 = _mm_sub_epi16(stp1_0, stp2_7);
+
+ tmp0 = _mm_madd_epi16(lo_10_13, stg6_0);
+ tmp1 = _mm_madd_epi16(hi_10_13, stg6_0);
+ tmp2 = _mm_madd_epi16(lo_10_13, stg4_0);
+ tmp3 = _mm_madd_epi16(hi_10_13, stg4_0);
+ tmp4 = _mm_madd_epi16(lo_11_12, stg6_0);
+ tmp5 = _mm_madd_epi16(hi_11_12, stg6_0);
+ tmp6 = _mm_madd_epi16(lo_11_12, stg4_0);
+ tmp7 = _mm_madd_epi16(hi_11_12, stg4_0);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp5 = _mm_add_epi32(tmp5, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+ tmp7 = _mm_add_epi32(tmp7, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
+
+ stp2_10 = _mm_packs_epi32(tmp0, tmp1);
+ stp2_13 = _mm_packs_epi32(tmp2, tmp3);
+ stp2_11 = _mm_packs_epi32(tmp4, tmp5);
+ stp2_12 = _mm_packs_epi32(tmp6, tmp7);
+ }
+
+ // Stage7
+ if (i == 0) {+ // Left 8x16
+ l0 = _mm_add_epi16(stp2_0, stp1_15);
+ l1 = _mm_add_epi16(stp2_1, stp1_14);
+ l2 = _mm_add_epi16(stp2_2, stp2_13);
+ l3 = _mm_add_epi16(stp2_3, stp2_12);
+ l4 = _mm_add_epi16(stp2_4, stp2_11);
+ l5 = _mm_add_epi16(stp2_5, stp2_10);
+ l6 = _mm_add_epi16(stp2_6, stp1_9);
+ l7 = _mm_add_epi16(stp2_7, stp1_8);
+ l8 = _mm_sub_epi16(stp2_7, stp1_8);
+ l9 = _mm_sub_epi16(stp2_6, stp1_9);
+ l10 = _mm_sub_epi16(stp2_5, stp2_10);
+ l11 = _mm_sub_epi16(stp2_4, stp2_11);
+ l12 = _mm_sub_epi16(stp2_3, stp2_12);
+ l13 = _mm_sub_epi16(stp2_2, stp2_13);
+ l14 = _mm_sub_epi16(stp2_1, stp1_14);
+ l15 = _mm_sub_epi16(stp2_0, stp1_15);
+ } else if (i == 1) {+ // Right 8x16
+ r0 = _mm_add_epi16(stp2_0, stp1_15);
+ r1 = _mm_add_epi16(stp2_1, stp1_14);
+ r2 = _mm_add_epi16(stp2_2, stp2_13);
+ r3 = _mm_add_epi16(stp2_3, stp2_12);
+ r4 = _mm_add_epi16(stp2_4, stp2_11);
+ r5 = _mm_add_epi16(stp2_5, stp2_10);
+ r6 = _mm_add_epi16(stp2_6, stp1_9);
+ r7 = _mm_add_epi16(stp2_7, stp1_8);
+ r8 = _mm_sub_epi16(stp2_7, stp1_8);
+ r9 = _mm_sub_epi16(stp2_6, stp1_9);
+ r10 = _mm_sub_epi16(stp2_5, stp2_10);
+ r11 = _mm_sub_epi16(stp2_4, stp2_11);
+ r12 = _mm_sub_epi16(stp2_3, stp2_12);
+ r13 = _mm_sub_epi16(stp2_2, stp2_13);
+ r14 = _mm_sub_epi16(stp2_1, stp1_14);
+ r15 = _mm_sub_epi16(stp2_0, stp1_15);
+ } else {+ // 2-D
+ in0 = _mm_add_epi16(stp2_0, stp1_15);
+ in1 = _mm_add_epi16(stp2_1, stp1_14);
+ in2 = _mm_add_epi16(stp2_2, stp2_13);
+ in3 = _mm_add_epi16(stp2_3, stp2_12);
+ in4 = _mm_add_epi16(stp2_4, stp2_11);
+ in5 = _mm_add_epi16(stp2_5, stp2_10);
+ in6 = _mm_add_epi16(stp2_6, stp1_9);
+ in7 = _mm_add_epi16(stp2_7, stp1_8);
+ in8 = _mm_sub_epi16(stp2_7, stp1_8);
+ in9 = _mm_sub_epi16(stp2_6, stp1_9);
+ in10 = _mm_sub_epi16(stp2_5, stp2_10);
+ in11 = _mm_sub_epi16(stp2_4, stp2_11);
+ in12 = _mm_sub_epi16(stp2_3, stp2_12);
+ in13 = _mm_sub_epi16(stp2_2, stp2_13);
+ in14 = _mm_sub_epi16(stp2_1, stp1_14);
+ in15 = _mm_sub_epi16(stp2_0, stp1_15);
+
+ // Final rounding and shift
+ in0 = _mm_add_epi16(in0, final_rounding);
+ in1 = _mm_add_epi16(in1, final_rounding);
+ in2 = _mm_add_epi16(in2, final_rounding);
+ in3 = _mm_add_epi16(in3, final_rounding);
+ in4 = _mm_add_epi16(in4, final_rounding);
+ in5 = _mm_add_epi16(in5, final_rounding);
+ in6 = _mm_add_epi16(in6, final_rounding);
+ in7 = _mm_add_epi16(in7, final_rounding);
+ in8 = _mm_add_epi16(in8, final_rounding);
+ in9 = _mm_add_epi16(in9, final_rounding);
+ in10 = _mm_add_epi16(in10, final_rounding);
+ in11 = _mm_add_epi16(in11, final_rounding);
+ in12 = _mm_add_epi16(in12, final_rounding);
+ in13 = _mm_add_epi16(in13, final_rounding);
+ in14 = _mm_add_epi16(in14, final_rounding);
+ in15 = _mm_add_epi16(in15, final_rounding);
+
+ in0 = _mm_srai_epi16(in0, 6);
+ in1 = _mm_srai_epi16(in1, 6);
+ in2 = _mm_srai_epi16(in2, 6);
+ in3 = _mm_srai_epi16(in3, 6);
+ in4 = _mm_srai_epi16(in4, 6);
+ in5 = _mm_srai_epi16(in5, 6);
+ in6 = _mm_srai_epi16(in6, 6);
+ in7 = _mm_srai_epi16(in7, 6);
+ in8 = _mm_srai_epi16(in8, 6);
+ in9 = _mm_srai_epi16(in9, 6);
+ in10 = _mm_srai_epi16(in10, 6);
+ in11 = _mm_srai_epi16(in11, 6);
+ in12 = _mm_srai_epi16(in12, 6);
+ in13 = _mm_srai_epi16(in13, 6);
+ in14 = _mm_srai_epi16(in14, 6);
+ in15 = _mm_srai_epi16(in15, 6);
+
+ // Store results
+ _mm_store_si128((__m128i *)output, in0);
+ _mm_store_si128((__m128i *)(output + half_pitch * 1), in1);
+ _mm_store_si128((__m128i *)(output + half_pitch * 2), in2);
+ _mm_store_si128((__m128i *)(output + half_pitch * 3), in3);
+ _mm_store_si128((__m128i *)(output + half_pitch * 4), in4);
+ _mm_store_si128((__m128i *)(output + half_pitch * 5), in5);
+ _mm_store_si128((__m128i *)(output + half_pitch * 6), in6);
+ _mm_store_si128((__m128i *)(output + half_pitch * 7), in7);
+ _mm_store_si128((__m128i *)(output + half_pitch * 8), in8);
+ _mm_store_si128((__m128i *)(output + half_pitch * 9), in9);
+ _mm_store_si128((__m128i *)(output + half_pitch * 10), in10);
+ _mm_store_si128((__m128i *)(output + half_pitch * 11), in11);
+ _mm_store_si128((__m128i *)(output + half_pitch * 12), in12);
+ _mm_store_si128((__m128i *)(output + half_pitch * 13), in13);
+ _mm_store_si128((__m128i *)(output + half_pitch * 14), in14);
+ _mm_store_si128((__m128i *)(output + half_pitch * 15), in15);
+
+ output += 8;
+ }
+ }
}
#endif
--- a/vp9/decoder/vp9_dequantize.c
+++ b/vp9/decoder/vp9_dequantize.c
@@ -273,7 +273,7 @@
vp9_short_iht16x16(input, output, 16, tx_type);
// the idct halves ( >> 1) the pitch
- // vp9_short_idct16x16_c(input, output, 32);
+ // vp9_short_idct16x16(input, output, 32);
vpx_memset(input, 0, 512);
@@ -296,7 +296,7 @@
int16_t in = input[0] * dq[0];
int16_t out;
/* Note: the idct1 will need to be modified accordingly whenever
- * vp9_short_idct16x16_c() is modified. */
+ * vp9_short_idct16x16() is modified. */
vp9_short_idct1_16x16_c(&in, &out);
input[0] = 0;
@@ -333,7 +333,7 @@
input[i] *= dq[1];
// the idct halves ( >> 1) the pitch
- vp9_short_idct16x16_c(input, output, 16 << 1);
+ vp9_short_idct16x16(input, output, 16 << 1);
vpx_memset(input, 0, 512);
--
⑨