diff options
Diffstat (limited to 'media/libvpx/libvpx/vpx_dsp/loongarch/idct32x32_lsx.c')
-rw-r--r-- | media/libvpx/libvpx/vpx_dsp/loongarch/idct32x32_lsx.c | 834 |
1 files changed, 834 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/loongarch/idct32x32_lsx.c b/media/libvpx/libvpx/vpx_dsp/loongarch/idct32x32_lsx.c new file mode 100644 index 0000000000..ec07f57d90 --- /dev/null +++ b/media/libvpx/libvpx/vpx_dsp/loongarch/idct32x32_lsx.c @@ -0,0 +1,834 @@ +/* + * Copyright (c) 2022 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 "./vpx_dsp_rtcd.h" +#include "vpx_dsp/loongarch/fwd_txfm_lsx.h" + +#define UNPCK_UB_SH(_in, _out0, _out1) \ + do { \ + _out0 = __lsx_vsllwil_hu_bu(_in, 0); \ + _out1 = __lsx_vexth_hu_bu(_in); \ + } while (0) + +static void idct32x8_row_transpose_store(const int16_t *input, + int16_t *tmp_buf) { + __m128i m0, m1, m2, m3, m4, m5, m6, m7; + __m128i n0, n1, n2, n3, n4, n5, n6, n7; + + /* 1st & 2nd 8x8 */ + DUP4_ARG2(__lsx_vld, input, 0, input, 64, input, 128, input, 192, m0, n0, m1, + n1); + DUP4_ARG2(__lsx_vld, input, 256, input, 320, input, 384, input, 448, m2, n2, + m3, n3); + DUP4_ARG2(__lsx_vld, input, 16, input, 80, input, 144, input, 208, m4, n4, m5, + n5); + DUP4_ARG2(__lsx_vld, input, 272, input, 336, input, 400, input, 464, m6, n6, + m7, n7); + + LSX_TRANSPOSE8x8_H(m0, n0, m1, n1, m2, n2, m3, n3, m0, n0, m1, n1, m2, n2, m3, + n3); + LSX_TRANSPOSE8x8_H(m4, n4, m5, n5, m6, n6, m7, n7, m4, n4, m5, n5, m6, n6, m7, + n7); + + __lsx_vst(m0, tmp_buf, 0); + __lsx_vst(n0, tmp_buf, 16); + __lsx_vst(m1, tmp_buf, 32); + __lsx_vst(n1, tmp_buf, 48); + __lsx_vst(m2, tmp_buf, 64); + __lsx_vst(n2, tmp_buf, 80); + __lsx_vst(m3, tmp_buf, 96); + __lsx_vst(n3, tmp_buf, 112); + __lsx_vst(m4, tmp_buf, 128); + __lsx_vst(n4, tmp_buf, 144); + __lsx_vst(m5, tmp_buf, 160); + __lsx_vst(n5, tmp_buf, 176); + __lsx_vst(m6, tmp_buf, 192); + __lsx_vst(n6, tmp_buf, 208); + __lsx_vst(m7, tmp_buf, 224); + __lsx_vst(n7, tmp_buf, 240); + + /* 3rd & 4th 8x8 */ + DUP4_ARG2(__lsx_vld, input, 32, input, 96, input, 160, input, 224, m0, n0, m1, + n1); + DUP4_ARG2(__lsx_vld, input, 288, input, 352, input, 416, input, 480, m2, n2, + m3, n3); + DUP4_ARG2(__lsx_vld, input, 48, input, 112, input, 176, input, 240, m4, n4, + m5, n5); + DUP4_ARG2(__lsx_vld, input, 304, input, 368, input, 432, input, 496, m6, n6, + m7, n7); + + LSX_TRANSPOSE8x8_H(m0, n0, m1, n1, m2, n2, m3, n3, m0, n0, m1, n1, m2, n2, m3, + n3); + LSX_TRANSPOSE8x8_H(m4, n4, m5, n5, m6, n6, m7, n7, m4, n4, m5, n5, m6, n6, m7, + n7); + + __lsx_vst(m0, tmp_buf, 256); + __lsx_vst(n0, tmp_buf, 272); + __lsx_vst(m1, tmp_buf, 288); + __lsx_vst(n1, tmp_buf, 304); + __lsx_vst(m2, tmp_buf, 320); + __lsx_vst(n2, tmp_buf, 336); + __lsx_vst(m3, tmp_buf, 352); + __lsx_vst(n3, tmp_buf, 368); + __lsx_vst(m4, tmp_buf, 384); + __lsx_vst(n4, tmp_buf, 400); + __lsx_vst(m5, tmp_buf, 416); + __lsx_vst(n5, tmp_buf, 432); + __lsx_vst(m6, tmp_buf, 448); + __lsx_vst(n6, tmp_buf, 464); + __lsx_vst(m7, tmp_buf, 480); + __lsx_vst(n7, tmp_buf, 496); +} + +static void idct32x8_row_even_process_store(int16_t *tmp_buf, + int16_t *tmp_eve_buf) { + __m128i vec0, vec1, vec2, vec3, loc0, loc1, loc2, loc3; + __m128i reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7; + __m128i stp0, stp1, stp2, stp3, stp4, stp5, stp6, stp7; + __m128i tmp0; + + /* Even stage 1 */ + DUP4_ARG2(__lsx_vld, tmp_buf, 0, tmp_buf, 64, tmp_buf, 128, tmp_buf, 192, + reg0, reg1, reg2, reg3); + DUP4_ARG2(__lsx_vld, tmp_buf, 256, tmp_buf, 320, tmp_buf, 384, tmp_buf, 448, + reg4, reg5, reg6, reg7); + + DOTP_CONST_PAIR(reg1, reg7, cospi_28_64, cospi_4_64, reg1, reg7); + DOTP_CONST_PAIR(reg5, reg3, cospi_12_64, cospi_20_64, reg5, reg3); + LSX_BUTTERFLY_4_H(reg1, reg7, reg3, reg5, vec1, vec3, vec2, vec0); + DOTP_CONST_PAIR(vec2, vec0, cospi_16_64, cospi_16_64, loc2, loc3); + + loc1 = vec3; + loc0 = vec1; + + DOTP_CONST_PAIR(reg0, reg4, cospi_16_64, cospi_16_64, reg0, reg4); + DOTP_CONST_PAIR(reg2, reg6, cospi_24_64, cospi_8_64, reg2, reg6); + LSX_BUTTERFLY_4_H(reg4, reg0, reg2, reg6, vec1, vec3, vec2, vec0); + LSX_BUTTERFLY_4_H(vec0, vec1, loc1, loc0, stp3, stp0, stp7, stp4); + LSX_BUTTERFLY_4_H(vec2, vec3, loc3, loc2, stp2, stp1, stp6, stp5); + + /* Even stage 2 */ + DUP4_ARG2(__lsx_vld, tmp_buf, 32, tmp_buf, 96, tmp_buf, 160, tmp_buf, 224, + reg0, reg1, reg2, reg3); + DUP4_ARG2(__lsx_vld, tmp_buf, 288, tmp_buf, 352, tmp_buf, 416, tmp_buf, 480, + reg4, reg5, reg6, reg7); + DOTP_CONST_PAIR(reg0, reg7, cospi_30_64, cospi_2_64, reg0, reg7); + DOTP_CONST_PAIR(reg4, reg3, cospi_14_64, cospi_18_64, reg4, reg3); + DOTP_CONST_PAIR(reg2, reg5, cospi_22_64, cospi_10_64, reg2, reg5); + DOTP_CONST_PAIR(reg6, reg1, cospi_6_64, cospi_26_64, reg6, reg1); + + vec0 = __lsx_vadd_h(reg0, reg4); + reg0 = __lsx_vsub_h(reg0, reg4); + reg4 = __lsx_vadd_h(reg6, reg2); + reg6 = __lsx_vsub_h(reg6, reg2); + reg2 = __lsx_vadd_h(reg1, reg5); + reg1 = __lsx_vsub_h(reg1, reg5); + reg5 = __lsx_vadd_h(reg7, reg3); + reg7 = __lsx_vsub_h(reg7, reg3); + reg3 = vec0; + + vec1 = reg2; + reg2 = __lsx_vadd_h(reg3, reg4); + reg3 = __lsx_vsub_h(reg3, reg4); + reg4 = __lsx_vsub_h(reg5, vec1); + reg5 = __lsx_vadd_h(reg5, vec1); + + tmp0 = __lsx_vneg_h(reg6); + DOTP_CONST_PAIR(reg7, reg0, cospi_24_64, cospi_8_64, reg0, reg7); + DOTP_CONST_PAIR(tmp0, reg1, cospi_24_64, cospi_8_64, reg6, reg1); + + vec0 = __lsx_vsub_h(reg0, reg6); + reg0 = __lsx_vadd_h(reg0, reg6); + vec1 = __lsx_vsub_h(reg7, reg1); + reg7 = __lsx_vadd_h(reg7, reg1); + + DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, reg6, reg1); + DOTP_CONST_PAIR(reg4, reg3, cospi_16_64, cospi_16_64, reg3, reg4); + + /* Even stage 3 : Dependency on Even stage 1 & Even stage 2 */ + LSX_BUTTERFLY_4_H(stp0, stp1, reg7, reg5, loc1, loc3, loc2, loc0); + __lsx_vst(loc0, tmp_eve_buf, 240); + __lsx_vst(loc1, tmp_eve_buf, 0); + __lsx_vst(loc2, tmp_eve_buf, 224); + __lsx_vst(loc3, tmp_eve_buf, 16); + + LSX_BUTTERFLY_4_H(stp2, stp3, reg4, reg1, loc1, loc3, loc2, loc0); + __lsx_vst(loc0, tmp_eve_buf, 208); + __lsx_vst(loc1, tmp_eve_buf, 32); + __lsx_vst(loc2, tmp_eve_buf, 192); + __lsx_vst(loc3, tmp_eve_buf, 48); + + /* Store 8 */ + LSX_BUTTERFLY_4_H(stp4, stp5, reg6, reg3, loc1, loc3, loc2, loc0); + __lsx_vst(loc0, tmp_eve_buf, 176); + __lsx_vst(loc1, tmp_eve_buf, 64); + __lsx_vst(loc2, tmp_eve_buf, 160); + __lsx_vst(loc3, tmp_eve_buf, 80); + + LSX_BUTTERFLY_4_H(stp6, stp7, reg2, reg0, loc1, loc3, loc2, loc0); + __lsx_vst(loc0, tmp_eve_buf, 144); + __lsx_vst(loc1, tmp_eve_buf, 96); + __lsx_vst(loc2, tmp_eve_buf, 128); + __lsx_vst(loc3, tmp_eve_buf, 112); +} + +static void idct32x8_row_odd_process_store(int16_t *tmp_buf, + int16_t *tmp_odd_buf) { + __m128i vec0, vec1, vec2, vec3, loc0, loc1, loc2, loc3; + __m128i reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7; + + /* Odd stage 1 */ + DUP4_ARG2(__lsx_vld, tmp_buf, 16, tmp_buf, 112, tmp_buf, 144, tmp_buf, 240, + reg0, reg1, reg2, reg3); + DUP4_ARG2(__lsx_vld, tmp_buf, 272, tmp_buf, 368, tmp_buf, 400, tmp_buf, 496, + reg4, reg5, reg6, reg7); + + DOTP_CONST_PAIR(reg0, reg7, cospi_31_64, cospi_1_64, reg0, reg7); + DOTP_CONST_PAIR(reg4, reg3, cospi_15_64, cospi_17_64, reg3, reg4); + DOTP_CONST_PAIR(reg2, reg5, cospi_23_64, cospi_9_64, reg2, reg5); + DOTP_CONST_PAIR(reg6, reg1, cospi_7_64, cospi_25_64, reg1, reg6); + + vec0 = __lsx_vadd_h(reg0, reg3); + reg0 = __lsx_vsub_h(reg0, reg3); + reg3 = __lsx_vadd_h(reg7, reg4); + reg7 = __lsx_vsub_h(reg7, reg4); + reg4 = __lsx_vadd_h(reg1, reg2); + reg1 = __lsx_vsub_h(reg1, reg2); + reg2 = __lsx_vadd_h(reg6, reg5); + reg6 = __lsx_vsub_h(reg6, reg5); + reg5 = vec0; + + /* 4 Stores */ + DUP2_ARG2(__lsx_vadd_h, reg5, reg4, reg3, reg2, vec0, vec1); + __lsx_vst(vec0, tmp_odd_buf, 64); + __lsx_vst(vec1, tmp_odd_buf, 80); + + DUP2_ARG2(__lsx_vsub_h, reg5, reg4, reg3, reg2, vec0, vec1); + DOTP_CONST_PAIR(vec1, vec0, cospi_24_64, cospi_8_64, vec0, vec1); + __lsx_vst(vec0, tmp_odd_buf, 0); + __lsx_vst(vec1, tmp_odd_buf, 16); + + /* 4 Stores */ + DOTP_CONST_PAIR(reg7, reg0, cospi_28_64, cospi_4_64, reg0, reg7); + DOTP_CONST_PAIR(reg6, reg1, -cospi_4_64, cospi_28_64, reg1, reg6); + LSX_BUTTERFLY_4_H(reg0, reg7, reg6, reg1, vec0, vec1, vec2, vec3); + __lsx_vst(vec0, tmp_odd_buf, 96); + __lsx_vst(vec1, tmp_odd_buf, 112); + + DOTP_CONST_PAIR(vec2, vec3, cospi_24_64, cospi_8_64, vec2, vec3); + __lsx_vst(vec2, tmp_odd_buf, 32); + __lsx_vst(vec3, tmp_odd_buf, 48); + + /* Odd stage 2 */ + /* 8 loads */ + DUP4_ARG2(__lsx_vld, tmp_buf, 48, tmp_buf, 80, tmp_buf, 176, tmp_buf, 208, + reg0, reg1, reg2, reg3); + DUP4_ARG2(__lsx_vld, tmp_buf, 304, tmp_buf, 336, tmp_buf, 432, tmp_buf, 464, + reg4, reg5, reg6, reg7); + + DOTP_CONST_PAIR(reg1, reg6, cospi_27_64, cospi_5_64, reg1, reg6); + DOTP_CONST_PAIR(reg5, reg2, cospi_11_64, cospi_21_64, reg2, reg5); + DOTP_CONST_PAIR(reg3, reg4, cospi_19_64, cospi_13_64, reg3, reg4); + DOTP_CONST_PAIR(reg7, reg0, cospi_3_64, cospi_29_64, reg0, reg7); + + /* 4 Stores */ + DUP4_ARG2(__lsx_vsub_h, reg1, reg2, reg6, reg5, reg0, reg3, reg7, reg4, vec0, + vec1, vec2, vec3); + DOTP_CONST_PAIR(vec1, vec0, cospi_12_64, cospi_20_64, loc0, loc1); + DOTP_CONST_PAIR(vec3, vec2, -cospi_20_64, cospi_12_64, loc2, loc3); + + LSX_BUTTERFLY_4_H(loc3, loc2, loc0, loc1, vec1, vec0, vec2, vec3); + __lsx_vst(vec0, tmp_odd_buf, 192); + __lsx_vst(vec1, tmp_odd_buf, 240); + + DOTP_CONST_PAIR(vec3, vec2, -cospi_8_64, cospi_24_64, vec0, vec1); + __lsx_vst(vec0, tmp_odd_buf, 160); + __lsx_vst(vec1, tmp_odd_buf, 176); + + /* 4 Stores */ + DUP4_ARG2(__lsx_vadd_h, reg1, reg2, reg6, reg5, reg0, reg3, reg7, reg4, vec1, + vec2, vec0, vec3); + LSX_BUTTERFLY_4_H(vec0, vec3, vec2, vec1, reg0, reg1, reg3, reg2); + __lsx_vst(reg0, tmp_odd_buf, 208); + __lsx_vst(reg1, tmp_odd_buf, 224); + + DOTP_CONST_PAIR(reg3, reg2, -cospi_8_64, cospi_24_64, reg0, reg1); + __lsx_vst(reg0, tmp_odd_buf, 128); + __lsx_vst(reg1, tmp_odd_buf, 144); + + /* Odd stage 3 : Dependency on Odd stage 1 & Odd stage 2 */ + + /* Load 8 & Store 8 */ + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 0, tmp_odd_buf, 16, tmp_odd_buf, 32, + tmp_odd_buf, 48, reg0, reg1, reg2, reg3); + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 128, tmp_odd_buf, 144, tmp_odd_buf, 160, + tmp_odd_buf, 176, reg4, reg5, reg6, reg7); + DUP4_ARG2(__lsx_vadd_h, reg0, reg4, reg1, reg5, reg2, reg6, reg3, reg7, loc0, + loc1, loc2, loc3); + __lsx_vst(loc0, tmp_odd_buf, 0); + __lsx_vst(loc1, tmp_odd_buf, 16); + __lsx_vst(loc2, tmp_odd_buf, 32); + __lsx_vst(loc3, tmp_odd_buf, 48); + + DUP2_ARG2(__lsx_vsub_h, reg0, reg4, reg1, reg5, vec0, vec1); + DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc0, loc1); + + DUP2_ARG2(__lsx_vsub_h, reg2, reg6, reg3, reg7, vec0, vec1); + DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc2, loc3); + __lsx_vst(loc0, tmp_odd_buf, 128); + __lsx_vst(loc1, tmp_odd_buf, 144); + __lsx_vst(loc2, tmp_odd_buf, 160); + __lsx_vst(loc3, tmp_odd_buf, 176); + + /* Load 8 & Store 8 */ + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 64, tmp_odd_buf, 80, tmp_odd_buf, 96, + tmp_odd_buf, 112, reg1, reg2, reg0, reg3); + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 192, tmp_odd_buf, 208, tmp_odd_buf, 224, + tmp_odd_buf, 240, reg4, reg5, reg6, reg7); + + DUP4_ARG2(__lsx_vadd_h, reg0, reg4, reg1, reg5, reg2, reg6, reg3, reg7, loc0, + loc1, loc2, loc3); + __lsx_vst(loc0, tmp_odd_buf, 64); + __lsx_vst(loc1, tmp_odd_buf, 80); + __lsx_vst(loc2, tmp_odd_buf, 96); + __lsx_vst(loc3, tmp_odd_buf, 112); + + DUP2_ARG2(__lsx_vsub_h, reg0, reg4, reg3, reg7, vec0, vec1); + DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc0, loc1); + DUP2_ARG2(__lsx_vsub_h, reg1, reg5, reg2, reg6, vec0, vec1); + DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc2, loc3); + __lsx_vst(loc0, tmp_odd_buf, 192); + __lsx_vst(loc1, tmp_odd_buf, 208); + __lsx_vst(loc2, tmp_odd_buf, 224); + __lsx_vst(loc3, tmp_odd_buf, 240); +} + +static void idct_butterfly_transpose_store(int16_t *tmp_buf, + int16_t *tmp_eve_buf, + int16_t *tmp_odd_buf, int16_t *dst) { + __m128i vec0, vec1, vec2, vec3, loc0, loc1, loc2, loc3; + __m128i m0, m1, m2, m3, m4, m5, m6, m7; + __m128i n0, n1, n2, n3, n4, n5, n6, n7; + __m128i reg0, reg1, reg2, reg3; + + /* FINAL BUTTERFLY : Dependency on Even & Odd */ + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 0, tmp_odd_buf, 144, tmp_odd_buf, 224, + tmp_odd_buf, 96, vec0, vec1, vec2, vec3); + DUP4_ARG2(__lsx_vld, tmp_eve_buf, 0, tmp_eve_buf, 128, tmp_eve_buf, 64, + tmp_eve_buf, 192, loc0, loc1, loc2, loc3); + + DUP4_ARG2(__lsx_vadd_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, m0, + m4, m2, m6); + DUP4_ARG2(__lsx_vsub_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, reg0, + reg1, reg2, reg3); + __lsx_vst(reg0, tmp_buf, 496); + __lsx_vst(reg1, tmp_buf, 368); + __lsx_vst(reg2, tmp_buf, 432); + __lsx_vst(reg3, tmp_buf, 304); + + /* Load 8 & Store 8 */ + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 64, tmp_odd_buf, 208, tmp_odd_buf, 160, + tmp_odd_buf, 48, vec0, vec1, vec2, vec3); + DUP4_ARG2(__lsx_vld, tmp_eve_buf, 32, tmp_eve_buf, 160, tmp_eve_buf, 96, + tmp_eve_buf, 224, loc0, loc1, loc2, loc3); + + DUP4_ARG2(__lsx_vadd_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, m1, + m5, m3, m7); + DUP4_ARG2(__lsx_vsub_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, reg0, + reg1, reg2, reg3); + __lsx_vst(reg0, tmp_buf, 464); + __lsx_vst(reg1, tmp_buf, 336); + __lsx_vst(reg2, tmp_buf, 400); + __lsx_vst(reg3, tmp_buf, 272); + + /* Load 8 & Store 8 */ + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 32, tmp_odd_buf, 176, tmp_odd_buf, 192, + tmp_odd_buf, 112, vec0, vec1, vec2, vec3); + DUP4_ARG2(__lsx_vld, tmp_eve_buf, 16, tmp_eve_buf, 144, tmp_eve_buf, 80, + tmp_eve_buf, 208, loc0, loc1, loc2, loc3); + + DUP4_ARG2(__lsx_vadd_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, n0, + n4, n2, n6); + DUP4_ARG2(__lsx_vsub_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, reg0, + reg1, reg2, reg3); + __lsx_vst(reg0, tmp_buf, 480); + __lsx_vst(reg1, tmp_buf, 352); + __lsx_vst(reg2, tmp_buf, 416); + __lsx_vst(reg3, tmp_buf, 288); + + /* Load 8 & Store 8 */ + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 80, tmp_odd_buf, 240, tmp_odd_buf, 128, + tmp_odd_buf, 16, vec0, vec1, vec2, vec3); + DUP4_ARG2(__lsx_vld, tmp_eve_buf, 48, tmp_eve_buf, 176, tmp_eve_buf, 112, + tmp_eve_buf, 240, loc0, loc1, loc2, loc3); + DUP4_ARG2(__lsx_vadd_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, n1, + n5, n3, n7); + DUP4_ARG2(__lsx_vsub_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, reg0, + reg1, reg2, reg3); + __lsx_vst(reg0, tmp_buf, 448); + __lsx_vst(reg1, tmp_buf, 320); + __lsx_vst(reg2, tmp_buf, 384); + __lsx_vst(reg3, tmp_buf, 256); + + /* Transpose : 16 vectors */ + /* 1st & 2nd 8x8 */ + LSX_TRANSPOSE8x8_H(m0, n0, m1, n1, m2, n2, m3, n3, m0, n0, m1, n1, m2, n2, m3, + n3); + __lsx_vst(m0, dst, 0); + __lsx_vst(n0, dst, 64); + __lsx_vst(m1, dst, 128); + __lsx_vst(n1, dst, 192); + __lsx_vst(m2, dst, 256); + __lsx_vst(n2, dst, 320); + __lsx_vst(m3, dst, 384); + __lsx_vst(n3, dst, 448); + + LSX_TRANSPOSE8x8_H(m4, n4, m5, n5, m6, n6, m7, n7, m4, n4, m5, n5, m6, n6, m7, + n7); + __lsx_vst(m4, dst, 16); + __lsx_vst(n4, dst, 80); + __lsx_vst(m5, dst, 144); + __lsx_vst(n5, dst, 208); + __lsx_vst(m6, dst, 272); + __lsx_vst(n6, dst, 336); + __lsx_vst(m7, dst, 400); + __lsx_vst(n7, dst, 464); + + /* 3rd & 4th 8x8 */ + DUP4_ARG2(__lsx_vld, tmp_buf, 256, tmp_buf, 272, tmp_buf, 288, tmp_buf, 304, + m0, n0, m1, n1); + DUP4_ARG2(__lsx_vld, tmp_buf, 320, tmp_buf, 336, tmp_buf, 352, tmp_buf, 368, + m2, n2, m3, n3); + DUP4_ARG2(__lsx_vld, tmp_buf, 384, tmp_buf, 400, tmp_buf, 416, tmp_buf, 432, + m4, n4, m5, n5); + DUP4_ARG2(__lsx_vld, tmp_buf, 448, tmp_buf, 464, tmp_buf, 480, tmp_buf, 496, + m6, n6, m7, n7); + LSX_TRANSPOSE8x8_H(m0, n0, m1, n1, m2, n2, m3, n3, m0, n0, m1, n1, m2, n2, m3, + n3); + LSX_TRANSPOSE8x8_H(m4, n4, m5, n5, m6, n6, m7, n7, m4, n4, m5, n5, m6, n6, m7, + n7); + __lsx_vst(m0, dst, 32); + __lsx_vst(n0, dst, 96); + __lsx_vst(m1, dst, 160); + __lsx_vst(n1, dst, 224); + __lsx_vst(m2, dst, 288); + __lsx_vst(n2, dst, 352); + __lsx_vst(m3, dst, 416); + __lsx_vst(n3, dst, 480); + __lsx_vst(m4, dst, 48); + __lsx_vst(n4, dst, 112); + __lsx_vst(m5, dst, 176); + __lsx_vst(n5, dst, 240); + __lsx_vst(m6, dst, 304); + __lsx_vst(n6, dst, 368); + __lsx_vst(m7, dst, 432); + __lsx_vst(n7, dst, 496); +} + +static void idct32x8_1d_rows_lsx(const int16_t *input, int16_t *output) { + DECLARE_ALIGNED(32, int16_t, tmp_buf[8 * 32]); + DECLARE_ALIGNED(32, int16_t, tmp_odd_buf[16 * 8]); + DECLARE_ALIGNED(32, int16_t, tmp_eve_buf[16 * 8]); + + idct32x8_row_transpose_store(input, &tmp_buf[0]); + idct32x8_row_even_process_store(&tmp_buf[0], &tmp_eve_buf[0]); + idct32x8_row_odd_process_store(&tmp_buf[0], &tmp_odd_buf[0]); + idct_butterfly_transpose_store(&tmp_buf[0], &tmp_eve_buf[0], &tmp_odd_buf[0], + output); +} + +static void idct8x32_column_even_process_store(int16_t *tmp_buf, + int16_t *tmp_eve_buf) { + __m128i vec0, vec1, vec2, vec3, loc0, loc1, loc2, loc3; + __m128i reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7; + __m128i stp0, stp1, stp2, stp3, stp4, stp5, stp6, stp7; + __m128i tmp0; + + /* Even stage 1 */ + DUP4_ARG2(__lsx_vld, tmp_buf, 0, tmp_buf, 256, tmp_buf, 512, tmp_buf, 768, + reg0, reg1, reg2, reg3); + DUP4_ARG2(__lsx_vld, tmp_buf, 1024, tmp_buf, 1280, tmp_buf, 1536, tmp_buf, + 1792, reg4, reg5, reg6, reg7); + tmp_buf += 64; + + DOTP_CONST_PAIR(reg1, reg7, cospi_28_64, cospi_4_64, reg1, reg7); + DOTP_CONST_PAIR(reg5, reg3, cospi_12_64, cospi_20_64, reg5, reg3); + LSX_BUTTERFLY_4_H(reg1, reg7, reg3, reg5, vec1, vec3, vec2, vec0); + DOTP_CONST_PAIR(vec2, vec0, cospi_16_64, cospi_16_64, loc2, loc3); + + loc1 = vec3; + loc0 = vec1; + + DOTP_CONST_PAIR(reg0, reg4, cospi_16_64, cospi_16_64, reg0, reg4); + DOTP_CONST_PAIR(reg2, reg6, cospi_24_64, cospi_8_64, reg2, reg6); + LSX_BUTTERFLY_4_H(reg4, reg0, reg2, reg6, vec1, vec3, vec2, vec0); + LSX_BUTTERFLY_4_H(vec0, vec1, loc1, loc0, stp3, stp0, stp7, stp4); + LSX_BUTTERFLY_4_H(vec2, vec3, loc3, loc2, stp2, stp1, stp6, stp5); + + /* Even stage 2 */ + /* Load 8 */ + DUP4_ARG2(__lsx_vld, tmp_buf, 0, tmp_buf, 256, tmp_buf, 512, tmp_buf, 768, + reg0, reg1, reg2, reg3); + DUP4_ARG2(__lsx_vld, tmp_buf, 1024, tmp_buf, 1280, tmp_buf, 1536, tmp_buf, + 1792, reg4, reg5, reg6, reg7); + DOTP_CONST_PAIR(reg0, reg7, cospi_30_64, cospi_2_64, reg0, reg7); + DOTP_CONST_PAIR(reg4, reg3, cospi_14_64, cospi_18_64, reg4, reg3); + DOTP_CONST_PAIR(reg2, reg5, cospi_22_64, cospi_10_64, reg2, reg5); + DOTP_CONST_PAIR(reg6, reg1, cospi_6_64, cospi_26_64, reg6, reg1); + + vec0 = __lsx_vadd_h(reg0, reg4); + reg0 = __lsx_vsub_h(reg0, reg4); + reg4 = __lsx_vadd_h(reg6, reg2); + reg6 = __lsx_vsub_h(reg6, reg2); + reg2 = __lsx_vadd_h(reg1, reg5); + reg1 = __lsx_vsub_h(reg1, reg5); + reg5 = __lsx_vadd_h(reg7, reg3); + reg7 = __lsx_vsub_h(reg7, reg3); + reg3 = vec0; + + vec1 = reg2; + reg2 = __lsx_vadd_h(reg3, reg4); + reg3 = __lsx_vsub_h(reg3, reg4); + reg4 = __lsx_vsub_h(reg5, vec1); + reg5 = __lsx_vadd_h(reg5, vec1); + + tmp0 = __lsx_vneg_h(reg6); + DOTP_CONST_PAIR(reg7, reg0, cospi_24_64, cospi_8_64, reg0, reg7); + DOTP_CONST_PAIR(tmp0, reg1, cospi_24_64, cospi_8_64, reg6, reg1); + + vec0 = __lsx_vsub_h(reg0, reg6); + reg0 = __lsx_vadd_h(reg0, reg6); + vec1 = __lsx_vsub_h(reg7, reg1); + reg7 = __lsx_vadd_h(reg7, reg1); + + DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, reg6, reg1); + DOTP_CONST_PAIR(reg4, reg3, cospi_16_64, cospi_16_64, reg3, reg4); + + /* Even stage 3 : Dependency on Even stage 1 & Even stage 2 */ + /* Store 8 */ + LSX_BUTTERFLY_4_H(stp0, stp1, reg7, reg5, loc1, loc3, loc2, loc0); + __lsx_vst(loc1, tmp_eve_buf, 0); + __lsx_vst(loc3, tmp_eve_buf, 16); + __lsx_vst(loc2, tmp_eve_buf, 224); + __lsx_vst(loc0, tmp_eve_buf, 240); + + LSX_BUTTERFLY_4_H(stp2, stp3, reg4, reg1, loc1, loc3, loc2, loc0); + __lsx_vst(loc1, tmp_eve_buf, 32); + __lsx_vst(loc3, tmp_eve_buf, 48); + __lsx_vst(loc2, tmp_eve_buf, 192); + __lsx_vst(loc0, tmp_eve_buf, 208); + + /* Store 8 */ + LSX_BUTTERFLY_4_H(stp4, stp5, reg6, reg3, loc1, loc3, loc2, loc0); + __lsx_vst(loc1, tmp_eve_buf, 64); + __lsx_vst(loc3, tmp_eve_buf, 80); + __lsx_vst(loc2, tmp_eve_buf, 160); + __lsx_vst(loc0, tmp_eve_buf, 176); + + LSX_BUTTERFLY_4_H(stp6, stp7, reg2, reg0, loc1, loc3, loc2, loc0); + __lsx_vst(loc1, tmp_eve_buf, 96); + __lsx_vst(loc3, tmp_eve_buf, 112); + __lsx_vst(loc2, tmp_eve_buf, 128); + __lsx_vst(loc0, tmp_eve_buf, 144); +} + +static void idct8x32_column_odd_process_store(int16_t *tmp_buf, + int16_t *tmp_odd_buf) { + __m128i vec0, vec1, vec2, vec3, loc0, loc1, loc2, loc3; + __m128i reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7; + + /* Odd stage 1 */ + DUP4_ARG2(__lsx_vld, tmp_buf, 64, tmp_buf, 448, tmp_buf, 576, tmp_buf, 960, + reg0, reg1, reg2, reg3); + DUP4_ARG2(__lsx_vld, tmp_buf, 1088, tmp_buf, 1472, tmp_buf, 1600, tmp_buf, + 1984, reg4, reg5, reg6, reg7); + + DOTP_CONST_PAIR(reg0, reg7, cospi_31_64, cospi_1_64, reg0, reg7); + DOTP_CONST_PAIR(reg4, reg3, cospi_15_64, cospi_17_64, reg3, reg4); + DOTP_CONST_PAIR(reg2, reg5, cospi_23_64, cospi_9_64, reg2, reg5); + DOTP_CONST_PAIR(reg6, reg1, cospi_7_64, cospi_25_64, reg1, reg6); + + vec0 = __lsx_vadd_h(reg0, reg3); + reg0 = __lsx_vsub_h(reg0, reg3); + reg3 = __lsx_vadd_h(reg7, reg4); + reg7 = __lsx_vsub_h(reg7, reg4); + reg4 = __lsx_vadd_h(reg1, reg2); + reg1 = __lsx_vsub_h(reg1, reg2); + reg2 = __lsx_vadd_h(reg6, reg5); + reg6 = __lsx_vsub_h(reg6, reg5); + reg5 = vec0; + + /* 4 Stores */ + DUP2_ARG2(__lsx_vadd_h, reg5, reg4, reg3, reg2, vec0, vec1); + __lsx_vst(vec0, tmp_odd_buf, 64); + __lsx_vst(vec1, tmp_odd_buf, 80); + DUP2_ARG2(__lsx_vsub_h, reg5, reg4, reg3, reg2, vec0, vec1); + DOTP_CONST_PAIR(vec1, vec0, cospi_24_64, cospi_8_64, vec0, vec1); + __lsx_vst(vec0, tmp_odd_buf, 0); + __lsx_vst(vec1, tmp_odd_buf, 16); + + /* 4 Stores */ + DOTP_CONST_PAIR(reg7, reg0, cospi_28_64, cospi_4_64, reg0, reg7); + DOTP_CONST_PAIR(reg6, reg1, -cospi_4_64, cospi_28_64, reg1, reg6); + LSX_BUTTERFLY_4_H(reg0, reg7, reg6, reg1, vec0, vec1, vec2, vec3); + DOTP_CONST_PAIR(vec2, vec3, cospi_24_64, cospi_8_64, vec2, vec3); + __lsx_vst(vec0, tmp_odd_buf, 96); + __lsx_vst(vec1, tmp_odd_buf, 112); + __lsx_vst(vec2, tmp_odd_buf, 32); + __lsx_vst(vec3, tmp_odd_buf, 48); + + /* Odd stage 2 */ + /* 8 loads */ + DUP4_ARG2(__lsx_vld, tmp_buf, 192, tmp_buf, 320, tmp_buf, 704, tmp_buf, 832, + reg0, reg1, reg2, reg3); + DUP4_ARG2(__lsx_vld, tmp_buf, 1216, tmp_buf, 1344, tmp_buf, 1728, tmp_buf, + 1856, reg4, reg5, reg6, reg7); + DOTP_CONST_PAIR(reg1, reg6, cospi_27_64, cospi_5_64, reg1, reg6); + DOTP_CONST_PAIR(reg5, reg2, cospi_11_64, cospi_21_64, reg2, reg5); + DOTP_CONST_PAIR(reg3, reg4, cospi_19_64, cospi_13_64, reg3, reg4); + DOTP_CONST_PAIR(reg7, reg0, cospi_3_64, cospi_29_64, reg0, reg7); + + /* 4 Stores */ + DUP4_ARG2(__lsx_vsub_h, reg1, reg2, reg6, reg5, reg0, reg3, reg7, reg4, vec0, + vec1, vec2, vec3); + DOTP_CONST_PAIR(vec1, vec0, cospi_12_64, cospi_20_64, loc0, loc1); + DOTP_CONST_PAIR(vec3, vec2, -cospi_20_64, cospi_12_64, loc2, loc3); + LSX_BUTTERFLY_4_H(loc2, loc3, loc1, loc0, vec0, vec1, vec3, vec2); + __lsx_vst(vec0, tmp_odd_buf, 192); + __lsx_vst(vec1, tmp_odd_buf, 240); + DOTP_CONST_PAIR(vec3, vec2, -cospi_8_64, cospi_24_64, vec0, vec1); + __lsx_vst(vec0, tmp_odd_buf, 160); + __lsx_vst(vec1, tmp_odd_buf, 176); + + /* 4 Stores */ + DUP4_ARG2(__lsx_vadd_h, reg0, reg3, reg1, reg2, reg5, reg6, reg4, reg7, vec0, + vec1, vec2, vec3); + LSX_BUTTERFLY_4_H(vec0, vec3, vec2, vec1, reg0, reg1, reg3, reg2); + __lsx_vst(reg0, tmp_odd_buf, 208); + __lsx_vst(reg1, tmp_odd_buf, 224); + DOTP_CONST_PAIR(reg3, reg2, -cospi_8_64, cospi_24_64, reg0, reg1); + __lsx_vst(reg0, tmp_odd_buf, 128); + __lsx_vst(reg1, tmp_odd_buf, 144); + + /* Odd stage 3 : Dependency on Odd stage 1 & Odd stage 2 */ + /* Load 8 & Store 8 */ + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 0, tmp_odd_buf, 16, tmp_odd_buf, 32, + tmp_odd_buf, 48, reg0, reg1, reg2, reg3); + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 128, tmp_odd_buf, 144, tmp_odd_buf, 160, + tmp_odd_buf, 176, reg4, reg5, reg6, reg7); + DUP4_ARG2(__lsx_vadd_h, reg0, reg4, reg1, reg5, reg2, reg6, reg3, reg7, loc0, + loc1, loc2, loc3); + __lsx_vst(loc0, tmp_odd_buf, 0); + __lsx_vst(loc1, tmp_odd_buf, 16); + __lsx_vst(loc2, tmp_odd_buf, 32); + __lsx_vst(loc3, tmp_odd_buf, 48); + + DUP2_ARG2(__lsx_vsub_h, reg0, reg4, reg1, reg5, vec0, vec1); + DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc0, loc1); + DUP2_ARG2(__lsx_vsub_h, reg2, reg6, reg3, reg7, vec0, vec1); + DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc2, loc3); + __lsx_vst(loc0, tmp_odd_buf, 128); + __lsx_vst(loc1, tmp_odd_buf, 144); + __lsx_vst(loc2, tmp_odd_buf, 160); + __lsx_vst(loc3, tmp_odd_buf, 176); + + /* Load 8 & Store 8 */ + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 64, tmp_odd_buf, 80, tmp_odd_buf, 96, + tmp_odd_buf, 112, reg1, reg2, reg0, reg3); + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 192, tmp_odd_buf, 208, tmp_odd_buf, 224, + tmp_odd_buf, 240, reg4, reg5, reg6, reg7); + DUP4_ARG2(__lsx_vadd_h, reg0, reg4, reg1, reg5, reg2, reg6, reg3, reg7, loc0, + loc1, loc2, loc3); + __lsx_vst(loc0, tmp_odd_buf, 64); + __lsx_vst(loc1, tmp_odd_buf, 80); + __lsx_vst(loc2, tmp_odd_buf, 96); + __lsx_vst(loc3, tmp_odd_buf, 112); + + DUP2_ARG2(__lsx_vsub_h, reg0, reg4, reg3, reg7, vec0, vec1); + DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc0, loc1); + DUP2_ARG2(__lsx_vsub_h, reg1, reg5, reg2, reg6, vec0, vec1); + DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc2, loc3); + __lsx_vst(loc0, tmp_odd_buf, 192); + __lsx_vst(loc1, tmp_odd_buf, 208); + __lsx_vst(loc2, tmp_odd_buf, 224); + __lsx_vst(loc3, tmp_odd_buf, 240); +} + +static void idct8x32_column_butterfly_addblk(int16_t *tmp_eve_buf, + int16_t *tmp_odd_buf, uint8_t *dst, + int32_t dst_stride) { + __m128i vec0, vec1, vec2, vec3, loc0, loc1, loc2, loc3; + __m128i m0, m1, m2, m3, m4, m5, m6, m7; + __m128i n0, n1, n2, n3, n4, n5, n6, n7; + int32_t stride = dst_stride << 2; + int32_t stride2 = stride << 1; + int32_t stride3 = stride + stride2; + + /* FINAL BUTTERFLY : Dependency on Even & Odd */ + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 0, tmp_odd_buf, 144, tmp_odd_buf, 224, + tmp_odd_buf, 96, vec0, vec1, vec2, vec3); + DUP4_ARG2(__lsx_vld, tmp_eve_buf, 0, tmp_eve_buf, 128, tmp_eve_buf, 64, + tmp_eve_buf, 192, loc0, loc1, loc2, loc3); + + DUP4_ARG2(__lsx_vadd_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, m0, + m4, m2, m6); + DUP4_ARG2(__lsx_vsrari_h, m0, 6, m2, 6, m4, 6, m6, 6, m0, m2, m4, m6); + VP9_ADDBLK_ST8x4_UB(dst, stride, stride2, stride3, m0, m2, m4, m6); + DUP4_ARG2(__lsx_vsub_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, m6, + m2, m4, m0); + DUP4_ARG2(__lsx_vsrari_h, m0, 6, m2, 6, m4, 6, m6, 6, m0, m2, m4, m6); + VP9_ADDBLK_ST8x4_UB((dst + 19 * dst_stride), stride, stride2, stride3, m0, m2, + m4, m6); + + /* Load 8 & Store 8 */ + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 64, tmp_odd_buf, 208, tmp_odd_buf, 160, + tmp_odd_buf, 48, vec0, vec1, vec2, vec3); + DUP4_ARG2(__lsx_vld, tmp_eve_buf, 32, tmp_eve_buf, 160, tmp_eve_buf, 96, + tmp_eve_buf, 224, loc0, loc1, loc2, loc3); + + DUP4_ARG2(__lsx_vadd_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, m1, + m5, m3, m7); + DUP4_ARG2(__lsx_vsrari_h, m1, 6, m3, 6, m5, 6, m7, 6, m1, m3, m5, m7); + VP9_ADDBLK_ST8x4_UB((dst + 2 * dst_stride), stride, stride2, stride3, m1, m3, + m5, m7); + DUP4_ARG2(__lsx_vsub_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, m7, + m3, m5, m1); + DUP4_ARG2(__lsx_vsrari_h, m1, 6, m3, 6, m5, 6, m7, 6, m1, m3, m5, m7); + VP9_ADDBLK_ST8x4_UB((dst + 17 * dst_stride), stride, stride2, stride3, m1, m3, + m5, m7); + + /* Load 8 & Store 8 */ + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 32, tmp_odd_buf, 176, tmp_odd_buf, 192, + tmp_odd_buf, 112, vec0, vec1, vec2, vec3); + DUP4_ARG2(__lsx_vld, tmp_eve_buf, 16, tmp_eve_buf, 144, tmp_eve_buf, 80, + tmp_eve_buf, 208, loc0, loc1, loc2, loc3); + DUP4_ARG2(__lsx_vadd_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, n0, + n4, n2, n6); + DUP4_ARG2(__lsx_vsrari_h, n0, 6, n2, 6, n4, 6, n6, 6, n0, n2, n4, n6); + VP9_ADDBLK_ST8x4_UB((dst + dst_stride), stride, stride2, stride3, n0, n2, n4, + n6); + DUP4_ARG2(__lsx_vsub_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, n6, + n2, n4, n0); + DUP4_ARG2(__lsx_vsrari_h, n0, 6, n2, 6, n4, 6, n6, 6, n0, n2, n4, n6); + VP9_ADDBLK_ST8x4_UB((dst + 18 * dst_stride), stride, stride2, stride3, n0, n2, + n4, n6); + + /* Load 8 & Store 8 */ + DUP4_ARG2(__lsx_vld, tmp_odd_buf, 80, tmp_odd_buf, 240, tmp_odd_buf, 128, + tmp_odd_buf, 16, vec0, vec1, vec2, vec3); + DUP4_ARG2(__lsx_vld, tmp_eve_buf, 48, tmp_eve_buf, 176, tmp_eve_buf, 112, + tmp_eve_buf, 240, loc0, loc1, loc2, loc3); + DUP4_ARG2(__lsx_vadd_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, n1, + n5, n3, n7); + DUP4_ARG2(__lsx_vsrari_h, n1, 6, n3, 6, n5, 6, n7, 6, n1, n3, n5, n7); + VP9_ADDBLK_ST8x4_UB((dst + 3 * dst_stride), stride, stride2, stride3, n1, n3, + n5, n7); + DUP4_ARG2(__lsx_vsub_h, loc0, vec3, loc1, vec2, loc2, vec1, loc3, vec0, n7, + n3, n5, n1); + DUP4_ARG2(__lsx_vsrari_h, n1, 6, n3, 6, n5, 6, n7, 6, n1, n3, n5, n7); + VP9_ADDBLK_ST8x4_UB((dst + 16 * dst_stride), stride, stride2, stride3, n1, n3, + n5, n7); +} + +static void idct8x32_1d_columns_addblk_lsx(int16_t *input, uint8_t *dst, + int32_t dst_stride) { + DECLARE_ALIGNED(32, int16_t, tmp_odd_buf[16 * 8]); + DECLARE_ALIGNED(32, int16_t, tmp_eve_buf[16 * 8]); + + idct8x32_column_even_process_store(input, &tmp_eve_buf[0]); + idct8x32_column_odd_process_store(input, &tmp_odd_buf[0]); + idct8x32_column_butterfly_addblk(&tmp_eve_buf[0], &tmp_odd_buf[0], dst, + dst_stride); +} + +void vpx_idct32x32_1024_add_lsx(const int16_t *input, uint8_t *dst, + int32_t dst_stride) { + int32_t i; + DECLARE_ALIGNED(32, int16_t, out_arr[32 * 32]); + int16_t *out_ptr = out_arr; + + /* transform rows */ + for (i = 0; i < 4; ++i) { + /* process 32 * 8 block */ + idct32x8_1d_rows_lsx((input + (i << 8)), (out_ptr + (i << 8))); + } + + for (i = 0; i < 4; ++i) { + /* process 8 * 32 block */ + idct8x32_1d_columns_addblk_lsx((out_ptr + (i << 3)), (dst + (i << 3)), + dst_stride); + } +} + +void vpx_idct32x32_34_add_lsx(const int16_t *input, uint8_t *dst, + int32_t dst_stride) { + int32_t i; + DECLARE_ALIGNED(32, int16_t, out_arr[32 * 32]); + int16_t *out_ptr = out_arr; + __m128i zero = __lsx_vldi(0); + + for (i = 32; i--;) { + __lsx_vst(zero, out_ptr, 0); + __lsx_vst(zero, out_ptr, 16); + __lsx_vst(zero, out_ptr, 32); + __lsx_vst(zero, out_ptr, 48); + out_ptr += 32; + } + + out_ptr = out_arr; + + /* rows: only upper-left 8x8 has non-zero coeff */ + idct32x8_1d_rows_lsx(input, out_ptr); + + /* transform columns */ + for (i = 0; i < 4; ++i) { + /* process 8 * 32 block */ + idct8x32_1d_columns_addblk_lsx((out_ptr + (i << 3)), (dst + (i << 3)), + dst_stride); + } +} + +void vpx_idct32x32_1_add_lsx(const int16_t *input, uint8_t *dst, + int32_t dst_stride) { + int32_t i; + int16_t out; + __m128i dst0, dst1, dst2, dst3, tmp0, tmp1, tmp2, tmp3; + __m128i res0, res1, res2, res3, res4, res5, res6, res7, vec; + + out = ROUND_POWER_OF_TWO((input[0] * cospi_16_64), DCT_CONST_BITS); + out = ROUND_POWER_OF_TWO((out * cospi_16_64), DCT_CONST_BITS); + out = ROUND_POWER_OF_TWO(out, 6); + + vec = __lsx_vreplgr2vr_h(out); + + for (i = 16; i--;) { + DUP2_ARG2(__lsx_vld, dst, 0, dst, 16, dst0, dst1); + dst2 = __lsx_vldx(dst, dst_stride); + dst3 = __lsx_vldx(dst + 16, dst_stride); + + UNPCK_UB_SH(dst0, res0, res4); + UNPCK_UB_SH(dst1, res1, res5); + UNPCK_UB_SH(dst2, res2, res6); + UNPCK_UB_SH(dst3, res3, res7); + + DUP4_ARG2(__lsx_vadd_h, res0, vec, res1, vec, res2, vec, res3, vec, res0, + res1, res2, res3); + DUP4_ARG2(__lsx_vadd_h, res4, vec, res5, vec, res6, vec, res7, vec, res4, + res5, res6, res7); + DUP4_ARG3(__lsx_vssrarni_bu_h, res4, res0, 0, res5, res1, 0, res6, res2, 0, + res7, res3, 0, tmp0, tmp1, tmp2, tmp3); + __lsx_vst(tmp0, dst, 0); + __lsx_vst(tmp1, dst, 16); + dst += dst_stride; + __lsx_vst(tmp2, dst, 0); + __lsx_vst(tmp3, dst, 16); + dst += dst_stride; + } +} |