ref: 3bc58f13cc4ae0881ce483a8dcd7789a2d6f325d
dir: /vp9/encoder/mips/msa/vp9_fdct16x16_msa.c/
/* * Copyright (c) 2015 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 "./vp9_rtcd.h" #include "vp9/common/vp9_enums.h" #include "vp9/encoder/mips/msa/vp9_fdct_msa.h" #include "vpx_dsp/mips/fwd_txfm_msa.h" static void fadst16_cols_step1_msa(const int16_t *input, int32_t stride, const int32_t *const0, int16_t *int_buf) { v8i16 r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15; v8i16 tp0, tp1, tp2, tp3, g0, g1, g2, g3, g8, g9, g10, g11, h0, h1, h2, h3; v4i32 k0, k1, k2, k3; /* load input data */ r0 = LD_SH(input); r15 = LD_SH(input + 15 * stride); r7 = LD_SH(input + 7 * stride); r8 = LD_SH(input + 8 * stride); SLLI_4V(r0, r15, r7, r8, 2); /* stage 1 */ LD_SW2(const0, 4, k0, k1); LD_SW2(const0 + 8, 4, k2, k3); MADD_BF(r15, r0, r7, r8, k0, k1, k2, k3, g0, g1, g2, g3); r3 = LD_SH(input + 3 * stride); r4 = LD_SH(input + 4 * stride); r11 = LD_SH(input + 11 * stride); r12 = LD_SH(input + 12 * stride); SLLI_4V(r3, r4, r11, r12, 2); LD_SW2(const0 + 4 * 4, 4, k0, k1); LD_SW2(const0 + 4 * 6, 4, k2, k3); MADD_BF(r11, r4, r3, r12, k0, k1, k2, k3, g8, g9, g10, g11); /* stage 2 */ BUTTERFLY_4(g0, g2, g10, g8, tp0, tp2, tp3, tp1); ST_SH2(tp0, tp2, int_buf, 8); ST_SH2(tp1, tp3, int_buf + 4 * 8, 8); LD_SW2(const0 + 4 * 8, 4, k0, k1); k2 = LD_SW(const0 + 4 * 10); MADD_BF(g1, g3, g9, g11, k0, k1, k2, k0, h0, h1, h2, h3); ST_SH2(h0, h1, int_buf + 8 * 8, 8); ST_SH2(h3, h2, int_buf + 12 * 8, 8); r9 = LD_SH(input + 9 * stride); r6 = LD_SH(input + 6 * stride); r1 = LD_SH(input + stride); r14 = LD_SH(input + 14 * stride); SLLI_4V(r9, r6, r1, r14, 2); LD_SW2(const0 + 4 * 11, 4, k0, k1); LD_SW2(const0 + 4 * 13, 4, k2, k3); MADD_BF(r9, r6, r1, r14, k0, k1, k2, k3, g0, g1, g2, g3); ST_SH2(g1, g3, int_buf + 3 * 8, 4 * 8); r13 = LD_SH(input + 13 * stride); r2 = LD_SH(input + 2 * stride); r5 = LD_SH(input + 5 * stride); r10 = LD_SH(input + 10 * stride); SLLI_4V(r13, r2, r5, r10, 2); LD_SW2(const0 + 4 * 15, 4, k0, k1); LD_SW2(const0 + 4 * 17, 4, k2, k3); MADD_BF(r13, r2, r5, r10, k0, k1, k2, k3, h0, h1, h2, h3); ST_SH2(h1, h3, int_buf + 11 * 8, 4 * 8); BUTTERFLY_4(h0, h2, g2, g0, tp0, tp1, tp2, tp3); ST_SH4(tp0, tp1, tp2, tp3, int_buf + 2 * 8, 4 * 8); } static void fadst16_cols_step2_msa(int16_t *int_buf, const int32_t *const0, int16_t *out) { int16_t *out_ptr = out + 128; v8i16 tp0, tp1, tp2, tp3, g5, g7, g13, g15; v8i16 h0, h1, h2, h3, h4, h5, h6, h7, h10, h11; v8i16 out0, out1, out2, out3, out4, out5, out6, out7; v8i16 out8, out9, out10, out11, out12, out13, out14, out15; v4i32 k0, k1, k2, k3; LD_SH2(int_buf + 3 * 8, 4 * 8, g13, g15); LD_SH2(int_buf + 11 * 8, 4 * 8, g5, g7); LD_SW2(const0 + 4 * 19, 4, k0, k1); k2 = LD_SW(const0 + 4 * 21); MADD_BF(g7, g5, g15, g13, k0, k1, k2, k0, h4, h5, h6, h7); tp0 = LD_SH(int_buf + 4 * 8); tp1 = LD_SH(int_buf + 5 * 8); tp3 = LD_SH(int_buf + 10 * 8); tp2 = LD_SH(int_buf + 14 * 8); LD_SW2(const0 + 4 * 22, 4, k0, k1); k2 = LD_SW(const0 + 4 * 24); MADD_BF(tp0, tp1, tp2, tp3, k0, k1, k2, k0, out4, out6, out5, out7); out4 = -out4; ST_SH(out4, (out + 3 * 16)); ST_SH(out5, (out_ptr + 4 * 16)); h1 = LD_SH(int_buf + 9 * 8); h3 = LD_SH(int_buf + 12 * 8); MADD_BF(h1, h3, h5, h7, k0, k1, k2, k0, out12, out14, out13, out15); out13 = -out13; ST_SH(out12, (out + 2 * 16)); ST_SH(out13, (out_ptr + 5 * 16)); tp0 = LD_SH(int_buf); tp1 = LD_SH(int_buf + 8); tp2 = LD_SH(int_buf + 2 * 8); tp3 = LD_SH(int_buf + 6 * 8); BUTTERFLY_4(tp0, tp1, tp3, tp2, out0, out1, h11, h10); out1 = -out1; ST_SH(out0, (out)); ST_SH(out1, (out_ptr + 7 * 16)); h0 = LD_SH(int_buf + 8 * 8); h2 = LD_SH(int_buf + 13 * 8); BUTTERFLY_4(h0, h2, h6, h4, out8, out9, out11, out10); out8 = -out8; ST_SH(out8, (out + 16)); ST_SH(out9, (out_ptr + 6 * 16)); /* stage 4 */ LD_SW2(const0 + 4 * 25, 4, k0, k1); LD_SW2(const0 + 4 * 27, 4, k2, k3); MADD_SHORT(h10, h11, k1, k2, out2, out3); ST_SH(out2, (out + 7 * 16)); ST_SH(out3, (out_ptr)); MADD_SHORT(out6, out7, k0, k3, out6, out7); ST_SH(out6, (out + 4 * 16)); ST_SH(out7, (out_ptr + 3 * 16)); MADD_SHORT(out10, out11, k0, k3, out10, out11); ST_SH(out10, (out + 6 * 16)); ST_SH(out11, (out_ptr + 16)); MADD_SHORT(out14, out15, k1, k2, out14, out15); ST_SH(out14, (out + 5 * 16)); ST_SH(out15, (out_ptr + 2 * 16)); } static void fadst16_transpose_postproc_msa(int16_t *input, int16_t *out) { v8i16 r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15; v8i16 l0, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13, l14, l15; /* load input data */ LD_SH8(input, 16, l0, l1, l2, l3, l4, l5, l6, l7); TRANSPOSE8x8_SH_SH(l0, l1, l2, l3, l4, l5, l6, l7, r0, r1, r2, r3, r4, r5, r6, r7); FDCT_POSTPROC_2V_NEG_H(r0, r1); FDCT_POSTPROC_2V_NEG_H(r2, r3); FDCT_POSTPROC_2V_NEG_H(r4, r5); FDCT_POSTPROC_2V_NEG_H(r6, r7); ST_SH8(r0, r1, r2, r3, r4, r5, r6, r7, out, 8); out += 64; LD_SH8(input + 8, 16, l8, l9, l10, l11, l12, l13, l14, l15); TRANSPOSE8x8_SH_SH(l8, l9, l10, l11, l12, l13, l14, l15, r8, r9, r10, r11, r12, r13, r14, r15); FDCT_POSTPROC_2V_NEG_H(r8, r9); FDCT_POSTPROC_2V_NEG_H(r10, r11); FDCT_POSTPROC_2V_NEG_H(r12, r13); FDCT_POSTPROC_2V_NEG_H(r14, r15); ST_SH8(r8, r9, r10, r11, r12, r13, r14, r15, out, 8); out += 64; /* load input data */ input += 128; LD_SH8(input, 16, l0, l1, l2, l3, l4, l5, l6, l7); TRANSPOSE8x8_SH_SH(l0, l1, l2, l3, l4, l5, l6, l7, r0, r1, r2, r3, r4, r5, r6, r7); FDCT_POSTPROC_2V_NEG_H(r0, r1); FDCT_POSTPROC_2V_NEG_H(r2, r3); FDCT_POSTPROC_2V_NEG_H(r4, r5); FDCT_POSTPROC_2V_NEG_H(r6, r7); ST_SH8(r0, r1, r2, r3, r4, r5, r6, r7, out, 8); out += 64; LD_SH8(input + 8, 16, l8, l9, l10, l11, l12, l13, l14, l15); TRANSPOSE8x8_SH_SH(l8, l9, l10, l11, l12, l13, l14, l15, r8, r9, r10, r11, r12, r13, r14, r15); FDCT_POSTPROC_2V_NEG_H(r8, r9); FDCT_POSTPROC_2V_NEG_H(r10, r11); FDCT_POSTPROC_2V_NEG_H(r12, r13); FDCT_POSTPROC_2V_NEG_H(r14, r15); ST_SH8(r8, r9, r10, r11, r12, r13, r14, r15, out, 8); } static void fadst16_rows_step1_msa(int16_t *input, const int32_t *const0, int16_t *int_buf) { v8i16 r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15; v8i16 tp0, tp1, tp2, tp3, g0, g1, g2, g3, g8, g9, g10, g11, h0, h1, h2, h3; v4i32 k0, k1, k2, k3; /* load input data */ r0 = LD_SH(input); r7 = LD_SH(input + 7 * 8); r8 = LD_SH(input + 8 * 8); r15 = LD_SH(input + 15 * 8); /* stage 1 */ LD_SW2(const0, 4, k0, k1); LD_SW2(const0 + 4 * 2, 4, k2, k3); MADD_BF(r15, r0, r7, r8, k0, k1, k2, k3, g0, g1, g2, g3); r3 = LD_SH(input + 3 * 8); r4 = LD_SH(input + 4 * 8); r11 = LD_SH(input + 11 * 8); r12 = LD_SH(input + 12 * 8); LD_SW2(const0 + 4 * 4, 4, k0, k1); LD_SW2(const0 + 4 * 6, 4, k2, k3); MADD_BF(r11, r4, r3, r12, k0, k1, k2, k3, g8, g9, g10, g11); /* stage 2 */ BUTTERFLY_4(g0, g2, g10, g8, tp0, tp2, tp3, tp1); ST_SH2(tp0, tp1, int_buf, 4 * 8); ST_SH2(tp2, tp3, int_buf + 8, 4 * 8); LD_SW2(const0 + 4 * 8, 4, k0, k1); k2 = LD_SW(const0 + 4 * 10); MADD_BF(g1, g3, g9, g11, k0, k1, k2, k0, h0, h1, h2, h3); ST_SH2(h0, h3, int_buf + 8 * 8, 4 * 8); ST_SH2(h1, h2, int_buf + 9 * 8, 4 * 8); r1 = LD_SH(input + 8); r6 = LD_SH(input + 6 * 8); r9 = LD_SH(input + 9 * 8); r14 = LD_SH(input + 14 * 8); LD_SW2(const0 + 4 * 11, 4, k0, k1); LD_SW2(const0 + 4 * 13, 4, k2, k3); MADD_BF(r9, r6, r1, r14, k0, k1, k2, k3, g0, g1, g2, g3); ST_SH2(g1, g3, int_buf + 3 * 8, 4 * 8); r2 = LD_SH(input + 2 * 8); r5 = LD_SH(input + 5 * 8); r10 = LD_SH(input + 10 * 8); r13 = LD_SH(input + 13 * 8); LD_SW2(const0 + 4 * 15, 4, k0, k1); LD_SW2(const0 + 4 * 17, 4, k2, k3); MADD_BF(r13, r2, r5, r10, k0, k1, k2, k3, h0, h1, h2, h3); ST_SH2(h1, h3, int_buf + 11 * 8, 4 * 8); BUTTERFLY_4(h0, h2, g2, g0, tp0, tp1, tp2, tp3); ST_SH4(tp0, tp1, tp2, tp3, int_buf + 2 * 8, 4 * 8); } static void fadst16_rows_step2_msa(int16_t *int_buf, const int32_t *const0, int16_t *out) { int16_t *out_ptr = out + 8; v8i16 tp0, tp1, tp2, tp3, g5, g7, g13, g15; v8i16 h0, h1, h2, h3, h4, h5, h6, h7, h10, h11; v8i16 out0, out1, out2, out3, out4, out5, out6, out7; v8i16 out8, out9, out10, out11, out12, out13, out14, out15; v4i32 k0, k1, k2, k3; g13 = LD_SH(int_buf + 3 * 8); g15 = LD_SH(int_buf + 7 * 8); g5 = LD_SH(int_buf + 11 * 8); g7 = LD_SH(int_buf + 15 * 8); LD_SW2(const0 + 4 * 19, 4, k0, k1); k2 = LD_SW(const0 + 4 * 21); MADD_BF(g7, g5, g15, g13, k0, k1, k2, k0, h4, h5, h6, h7); tp0 = LD_SH(int_buf + 4 * 8); tp1 = LD_SH(int_buf + 5 * 8); tp3 = LD_SH(int_buf + 10 * 8); tp2 = LD_SH(int_buf + 14 * 8); LD_SW2(const0 + 4 * 22, 4, k0, k1); k2 = LD_SW(const0 + 4 * 24); MADD_BF(tp0, tp1, tp2, tp3, k0, k1, k2, k0, out4, out6, out5, out7); out4 = -out4; ST_SH(out4, (out + 3 * 16)); ST_SH(out5, (out_ptr + 4 * 16)); h1 = LD_SH(int_buf + 9 * 8); h3 = LD_SH(int_buf + 12 * 8); MADD_BF(h1, h3, h5, h7, k0, k1, k2, k0, out12, out14, out13, out15); out13 = -out13; ST_SH(out12, (out + 2 * 16)); ST_SH(out13, (out_ptr + 5 * 16)); tp0 = LD_SH(int_buf); tp1 = LD_SH(int_buf + 8); tp2 = LD_SH(int_buf + 2 * 8); tp3 = LD_SH(int_buf + 6 * 8); BUTTERFLY_4(tp0, tp1, tp3, tp2, out0, out1, h11, h10); out1 = -out1; ST_SH(out0, (out)); ST_SH(out1, (out_ptr + 7 * 16)); h0 = LD_SH(int_buf + 8 * 8); h2 = LD_SH(int_buf + 13 * 8); BUTTERFLY_4(h0, h2, h6, h4, out8, out9, out11, out10); out8 = -out8; ST_SH(out8, (out + 16)); ST_SH(out9, (out_ptr + 6 * 16)); /* stage 4 */ LD_SW2(const0 + 4 * 25, 4, k0, k1); LD_SW2(const0 + 4 * 27, 4, k2, k3); MADD_SHORT(h10, h11, k1, k2, out2, out3); ST_SH(out2, (out + 7 * 16)); ST_SH(out3, (out_ptr)); MADD_SHORT(out6, out7, k0, k3, out6, out7); ST_SH(out6, (out + 4 * 16)); ST_SH(out7, (out_ptr + 3 * 16)); MADD_SHORT(out10, out11, k0, k3, out10, out11); ST_SH(out10, (out + 6 * 16)); ST_SH(out11, (out_ptr + 16)); MADD_SHORT(out14, out15, k1, k2, out14, out15); ST_SH(out14, (out + 5 * 16)); ST_SH(out15, (out_ptr + 2 * 16)); } static void fadst16_transpose_msa(int16_t *input, int16_t *out) { v8i16 r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15; v8i16 l0, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13, l14, l15; /* load input data */ LD_SH16(input, 8, l0, l8, l1, l9, l2, l10, l3, l11, l4, l12, l5, l13, l6, l14, l7, l15); TRANSPOSE8x8_SH_SH(l0, l1, l2, l3, l4, l5, l6, l7, r0, r1, r2, r3, r4, r5, r6, r7); TRANSPOSE8x8_SH_SH(l8, l9, l10, l11, l12, l13, l14, l15, r8, r9, r10, r11, r12, r13, r14, r15); ST_SH8(r0, r8, r1, r9, r2, r10, r3, r11, out, 8); ST_SH8(r4, r12, r5, r13, r6, r14, r7, r15, (out + 64), 8); out += 16 * 8; /* load input data */ input += 128; LD_SH16(input, 8, l0, l8, l1, l9, l2, l10, l3, l11, l4, l12, l5, l13, l6, l14, l7, l15); TRANSPOSE8x8_SH_SH(l0, l1, l2, l3, l4, l5, l6, l7, r0, r1, r2, r3, r4, r5, r6, r7); TRANSPOSE8x8_SH_SH(l8, l9, l10, l11, l12, l13, l14, l15, r8, r9, r10, r11, r12, r13, r14, r15); ST_SH8(r0, r8, r1, r9, r2, r10, r3, r11, out, 8); ST_SH8(r4, r12, r5, r13, r6, r14, r7, r15, (out + 64), 8); } static void postproc_fdct16x8_1d_row(int16_t *intermediate, int16_t *output) { int16_t *temp = intermediate; int16_t *out = output; v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; v8i16 in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10, in11; v8i16 in12, in13, in14, in15; LD_SH8(temp, 16, in0, in1, in2, in3, in4, in5, in6, in7); temp = intermediate + 8; LD_SH8(temp, 16, in8, in9, in10, in11, in12, in13, in14, in15); TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, in5, in6, in7); TRANSPOSE8x8_SH_SH(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9, in10, in11, in12, in13, in14, in15); FDCT_POSTPROC_2V_NEG_H(in0, in1); FDCT_POSTPROC_2V_NEG_H(in2, in3); FDCT_POSTPROC_2V_NEG_H(in4, in5); FDCT_POSTPROC_2V_NEG_H(in6, in7); FDCT_POSTPROC_2V_NEG_H(in8, in9); FDCT_POSTPROC_2V_NEG_H(in10, in11); FDCT_POSTPROC_2V_NEG_H(in12, in13); FDCT_POSTPROC_2V_NEG_H(in14, in15); BUTTERFLY_16(in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10, in11, in12, in13, in14, in15, tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, in8, in9, in10, in11, in12, in13, in14, in15); temp = intermediate; ST_SH8(in8, in9, in10, in11, in12, in13, in14, in15, temp, 16); FDCT8x16_EVEN(tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7); temp = intermediate; LD_SH8(temp, 16, in8, in9, in10, in11, in12, in13, in14, in15); FDCT8x16_ODD(in8, in9, in10, in11, in12, in13, in14, in15, in0, in1, in2, in3, in4, in5, in6, in7); TRANSPOSE8x8_SH_SH(tmp0, in0, tmp1, in1, tmp2, in2, tmp3, in3, tmp0, in0, tmp1, in1, tmp2, in2, tmp3, in3); ST_SH8(tmp0, in0, tmp1, in1, tmp2, in2, tmp3, in3, out, 16); TRANSPOSE8x8_SH_SH(tmp4, in4, tmp5, in5, tmp6, in6, tmp7, in7, tmp4, in4, tmp5, in5, tmp6, in6, tmp7, in7); out = output + 8; ST_SH8(tmp4, in4, tmp5, in5, tmp6, in6, tmp7, in7, out, 16); } void vp9_fht16x16_msa(const int16_t *input, int16_t *output, int32_t stride, int32_t tx_type) { DECLARE_ALIGNED(32, int16_t, tmp[256]); DECLARE_ALIGNED(32, int16_t, trans_buf[256]); DECLARE_ALIGNED(32, int16_t, tmp_buf[128]); int32_t i; int16_t *ptmpbuf = &tmp_buf[0]; int16_t *trans = &trans_buf[0]; const int32_t const_arr[29 * 4] = { 52707308, 52707308, 52707308, 52707308, -1072430300, -1072430300, -1072430300, -1072430300, 795618043, 795618043, 795618043, 795618043, -721080468, -721080468, -721080468, -721080468, 459094491, 459094491, 459094491, 459094491, -970646691, -970646691, -970646691, -970646691, 1010963856, 1010963856, 1010963856, 1010963856, -361743294, -361743294, -361743294, -361743294, 209469125, 209469125, 209469125, 209469125, -1053094788, -1053094788, -1053094788, -1053094788, 1053160324, 1053160324, 1053160324, 1053160324, 639644520, 639644520, 639644520, 639644520, -862444000, -862444000, -862444000, -862444000, 1062144356, 1062144356, 1062144356, 1062144356, -157532337, -157532337, -157532337, -157532337, 260914709, 260914709, 260914709, 260914709, -1041559667, -1041559667, -1041559667, -1041559667, 920985831, 920985831, 920985831, 920985831, -551995675, -551995675, -551995675, -551995675, 596522295, 596522295, 596522295, 596522295, 892853362, 892853362, 892853362, 892853362, -892787826, -892787826, -892787826, -892787826, 410925857, 410925857, 410925857, 410925857, -992012162, -992012162, -992012162, -992012162, 992077698, 992077698, 992077698, 992077698, 759246145, 759246145, 759246145, 759246145, -759180609, -759180609, -759180609, -759180609, -759222975, -759222975, -759222975, -759222975, 759288511, 759288511, 759288511, 759288511 }; switch (tx_type) { case DCT_DCT: /* column transform */ for (i = 0; i < 2; ++i) { fdct8x16_1d_column(input + 8 * i, tmp + 8 * i, stride); } /* row transform */ for (i = 0; i < 2; ++i) { fdct16x8_1d_row(tmp + (128 * i), output + (128 * i)); } break; case ADST_DCT: /* column transform */ for (i = 0; i < 2; ++i) { fadst16_cols_step1_msa(input + (i << 3), stride, const_arr, ptmpbuf); fadst16_cols_step2_msa(ptmpbuf, const_arr, tmp + (i << 3)); } /* row transform */ for (i = 0; i < 2; ++i) { postproc_fdct16x8_1d_row(tmp + (128 * i), output + (128 * i)); } break; case DCT_ADST: /* column transform */ for (i = 0; i < 2; ++i) { fdct8x16_1d_column(input + 8 * i, tmp + 8 * i, stride); } fadst16_transpose_postproc_msa(tmp, trans); /* row transform */ for (i = 0; i < 2; ++i) { fadst16_rows_step1_msa(trans + (i << 7), const_arr, ptmpbuf); fadst16_rows_step2_msa(ptmpbuf, const_arr, tmp + (i << 7)); } fadst16_transpose_msa(tmp, output); break; case ADST_ADST: /* column transform */ for (i = 0; i < 2; ++i) { fadst16_cols_step1_msa(input + (i << 3), stride, const_arr, ptmpbuf); fadst16_cols_step2_msa(ptmpbuf, const_arr, tmp + (i << 3)); } fadst16_transpose_postproc_msa(tmp, trans); /* row transform */ for (i = 0; i < 2; ++i) { fadst16_rows_step1_msa(trans + (i << 7), const_arr, ptmpbuf); fadst16_rows_step2_msa(ptmpbuf, const_arr, tmp + (i << 7)); } fadst16_transpose_msa(tmp, output); break; default: assert(0); break; } }