ref: 8dfeece87881bd18ffcc96e545719d84436eb5d8
dir: /vp9/common/mips/msa/vp9_idct32x32_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 "vpx_ports/mem.h"
#include "vp9/common/vp9_idct.h"
#include "vp9/common/mips/msa/vp9_macros_msa.h"
#define DOTP_CONST_PAIR(reg0, reg1, const0, const1, out0, out1) { \
v8i16 k0_m = __msa_fill_h(const0); \
v8i16 s0_m, s1_m, s2_m, s3_m; \
\
s0_m = __msa_fill_h(const1); \
k0_m = __msa_ilvev_h(s0_m, k0_m); \
\
s0_m = __msa_ilvl_h(-reg1, reg0); \
s1_m = __msa_ilvr_h(-reg1, reg0); \
s2_m = __msa_ilvl_h(reg0, reg1); \
s3_m = __msa_ilvr_h(reg0, reg1); \
s1_m = (v8i16)__msa_dotp_s_w(s1_m, k0_m); \
s0_m = (v8i16)__msa_dotp_s_w(s0_m, k0_m); \
s1_m = (v8i16)__msa_srari_w((v4i32)s1_m, DCT_CONST_BITS); \
s0_m = (v8i16)__msa_srari_w((v4i32)s0_m, DCT_CONST_BITS); \
out0 = __msa_pckev_h(s0_m, s1_m); \
\
s1_m = (v8i16)__msa_dotp_s_w(s3_m, k0_m); \
s0_m = (v8i16)__msa_dotp_s_w(s2_m, k0_m); \
s1_m = (v8i16)__msa_srari_w((v4i32)s1_m, DCT_CONST_BITS); \
s0_m = (v8i16)__msa_srari_w((v4i32)s0_m, DCT_CONST_BITS); \
out1 = __msa_pckev_h(s0_m, s1_m); \
}
#define VP9_ADDBLK_CLIP_AND_STORE_OFF_4H_VECS(dest, dest_stride, \
in0, in1, in2, in3) { \
uint64_t out0_m, out1_m, out2_m, out3_m; \
v8i16 res0_m, res1_m, res2_m, res3_m; \
v16u8 dest0_m, dest1_m, dest2_m, dest3_m; \
v16i8 tmp0_m, tmp1_m; \
v16i8 zero_m = { 0 }; \
uint8_t *dst_m = (uint8_t *)(dest); \
\
dest0_m = LOAD_UB(dst_m); \
dest1_m = LOAD_UB(dst_m + 4 * dest_stride); \
dest2_m = LOAD_UB(dst_m + 8 * dest_stride); \
dest3_m = LOAD_UB(dst_m + 12 * dest_stride); \
\
res0_m = (v8i16)__msa_ilvr_b(zero_m, (v16i8)dest0_m); \
res1_m = (v8i16)__msa_ilvr_b(zero_m, (v16i8)dest1_m); \
res2_m = (v8i16)__msa_ilvr_b(zero_m, (v16i8)dest2_m); \
res3_m = (v8i16)__msa_ilvr_b(zero_m, (v16i8)dest3_m); \
\
res0_m += (v8i16)(in0); \
res1_m += (v8i16)(in1); \
res2_m += (v8i16)(in2); \
res3_m += (v8i16)(in3); \
\
res0_m = CLIP_UNSIGNED_CHAR_H(res0_m); \
res1_m = CLIP_UNSIGNED_CHAR_H(res1_m); \
res2_m = CLIP_UNSIGNED_CHAR_H(res2_m); \
res3_m = CLIP_UNSIGNED_CHAR_H(res3_m); \
\
tmp0_m = __msa_pckev_b((v16i8)res1_m, (v16i8)res0_m); \
tmp1_m = __msa_pckev_b((v16i8)res3_m, (v16i8)res2_m); \
\
out0_m = __msa_copy_u_d((v2i64)tmp0_m, 0); \
out1_m = __msa_copy_u_d((v2i64)tmp0_m, 1); \
out2_m = __msa_copy_u_d((v2i64)tmp1_m, 0); \
out3_m = __msa_copy_u_d((v2i64)tmp1_m, 1); \
\
STORE_DWORD(dst_m, out0_m); \
dst_m += (4 * dest_stride); \
STORE_DWORD(dst_m, out1_m); \
dst_m += (4 * dest_stride); \
STORE_DWORD(dst_m, out2_m); \
dst_m += (4 * dest_stride); \
STORE_DWORD(dst_m, out3_m); \
}
static void vp9_idct32x8_row_transpose_store(const int16_t *input,
int16_t *tmp_buf) {
v8i16 m0, m1, m2, m3, m4, m5, m6, m7;
v8i16 n0, n1, n2, n3, n4, n5, n6, n7;
/* 1st & 2nd 8x8 */
LOAD_8VECS_SH(input, 32, m0, n0, m1, n1, m2, n2, m3, n3);
LOAD_8VECS_SH((input + 8), 32, m4, n4, m5, n5, m6, n6, m7, n7);
TRANSPOSE8x8_H_SH(m0, n0, m1, n1, m2, n2, m3, n3,
m0, n0, m1, n1, m2, n2, m3, n3);
TRANSPOSE8x8_H_SH(m4, n4, m5, n5, m6, n6, m7, n7,
m4, n4, m5, n5, m6, n6, m7, n7);
STORE_4VECS_SH((tmp_buf), 8, m0, n0, m1, n1);
STORE_4VECS_SH((tmp_buf + 4 * 8), 8, m2, n2, m3, n3);
STORE_4VECS_SH((tmp_buf + 8 * 8), 8, m4, n4, m5, n5);
STORE_4VECS_SH((tmp_buf + 12 * 8), 8, m6, n6, m7, n7);
/* 3rd & 4th 8x8 */
LOAD_8VECS_SH((input + 16), 32, m0, n0, m1, n1, m2, n2, m3, n3);
LOAD_8VECS_SH((input + 24), 32, m4, n4, m5, n5, m6, n6, m7, n7);
TRANSPOSE8x8_H_SH(m0, n0, m1, n1, m2, n2, m3, n3,
m0, n0, m1, n1, m2, n2, m3, n3);
TRANSPOSE8x8_H_SH(m4, n4, m5, n5, m6, n6, m7, n7,
m4, n4, m5, n5, m6, n6, m7, n7);
STORE_4VECS_SH((tmp_buf + 16 * 8), 8, m0, n0, m1, n1);
STORE_4VECS_SH((tmp_buf + 20 * 8), 8, m2, n2, m3, n3);
STORE_4VECS_SH((tmp_buf + 24 * 8), 8, m4, n4, m5, n5);
STORE_4VECS_SH((tmp_buf + 28 * 8), 8, m6, n6, m7, n7);
}
static void vp9_idct32x8_row_even_process_store(int16_t *tmp_buf,
int16_t *tmp_eve_buf) {
v8i16 vec0, vec1, vec2, vec3, loc0, loc1, loc2, loc3;
v8i16 reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7;
v8i16 stp0, stp1, stp2, stp3, stp4, stp5, stp6, stp7;
/* Even stage 1 */
LOAD_8VECS_SH(tmp_buf, 32, reg0, reg1, reg2, reg3, 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);
vec0 = reg1 - reg5;
vec1 = reg1 + reg5;
vec2 = reg7 - reg3;
vec3 = reg7 + reg3;
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);
vec0 = reg4 - reg6;
vec1 = reg4 + reg6;
vec2 = reg0 - reg2;
vec3 = reg0 + reg2;
stp4 = vec0 - loc0;
stp3 = vec0 + loc0;
stp7 = vec1 - loc1;
stp0 = vec1 + loc1;
stp5 = vec2 - loc2;
stp2 = vec2 + loc2;
stp6 = vec3 - loc3;
stp1 = vec3 + loc3;
/* Even stage 2 */
LOAD_8VECS_SH((tmp_buf + 16), 32,
reg0, reg1, reg2, reg3, 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 = reg0 + reg4;
reg0 = reg0 - reg4;
reg4 = reg6 + reg2;
reg6 = reg6 - reg2;
reg2 = reg1 + reg5;
reg1 = reg1 - reg5;
reg5 = reg7 + reg3;
reg7 = reg7 - reg3;
reg3 = vec0;
vec1 = reg2;
reg2 = reg3 + reg4;
reg3 = reg3 - reg4;
reg4 = reg5 - vec1;
reg5 = reg5 + vec1;
DOTP_CONST_PAIR(reg7, reg0, cospi_24_64, cospi_8_64, reg0, reg7);
DOTP_CONST_PAIR((-reg6), reg1, cospi_24_64, cospi_8_64, reg6, reg1);
vec0 = reg0 - reg6;
reg0 = reg0 + reg6;
vec1 = reg7 - reg1;
reg7 = 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 */
loc0 = stp0 - reg5;
loc1 = stp0 + reg5;
loc2 = stp1 - reg7;
loc3 = stp1 + reg7;
STORE_SH(loc0, (tmp_eve_buf + 15 * 8));
STORE_SH(loc1, (tmp_eve_buf));
STORE_SH(loc2, (tmp_eve_buf + 14 * 8));
STORE_SH(loc3, (tmp_eve_buf + 8));
loc0 = stp2 - reg1;
loc1 = stp2 + reg1;
loc2 = stp3 - reg4;
loc3 = stp3 + reg4;
STORE_SH(loc0, (tmp_eve_buf + 13 * 8));
STORE_SH(loc1, (tmp_eve_buf + 2 * 8));
STORE_SH(loc2, (tmp_eve_buf + 12 * 8));
STORE_SH(loc3, (tmp_eve_buf + 3 * 8));
/* Store 8 */
loc0 = stp4 - reg3;
loc1 = stp4 + reg3;
loc2 = stp5 - reg6;
loc3 = stp5 + reg6;
STORE_SH(loc0, (tmp_eve_buf + 11 * 8));
STORE_SH(loc1, (tmp_eve_buf + 4 * 8));
STORE_SH(loc2, (tmp_eve_buf + 10 * 8));
STORE_SH(loc3, (tmp_eve_buf + 5 * 8));
loc0 = stp6 - reg0;
loc1 = stp6 + reg0;
loc2 = stp7 - reg2;
loc3 = stp7 + reg2;
STORE_SH(loc0, (tmp_eve_buf + 9 * 8));
STORE_SH(loc1, (tmp_eve_buf + 6 * 8));
STORE_SH(loc2, (tmp_eve_buf + 8 * 8));
STORE_SH(loc3, (tmp_eve_buf + 7 * 8));
}
static void vp9_idct32x8_row_odd_process_store(int16_t *tmp_buf,
int16_t *tmp_odd_buf) {
v8i16 vec0, vec1, vec2, vec3, loc0, loc1, loc2, loc3;
v8i16 reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7;
/* Odd stage 1 */
reg0 = LOAD_SH(tmp_buf + 8);
reg1 = LOAD_SH(tmp_buf + 7 * 8);
reg2 = LOAD_SH(tmp_buf + 9 * 8);
reg3 = LOAD_SH(tmp_buf + 15 * 8);
reg4 = LOAD_SH(tmp_buf + 17 * 8);
reg5 = LOAD_SH(tmp_buf + 23 * 8);
reg6 = LOAD_SH(tmp_buf + 25 * 8);
reg7 = LOAD_SH(tmp_buf + 31 * 8);
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 = reg0 + reg3;
reg0 = reg0 - reg3;
reg3 = reg7 + reg4;
reg7 = reg7 - reg4;
reg4 = reg1 + reg2;
reg1 = reg1 - reg2;
reg2 = reg6 + reg5;
reg6 = reg6 - reg5;
reg5 = vec0;
/* 4 Stores */
vec0 = reg5 + reg4;
vec1 = reg3 + reg2;
STORE_SH(vec0, (tmp_odd_buf + 4 * 8));
STORE_SH(vec1, (tmp_odd_buf + 5 * 8));
vec0 = reg5 - reg4;
vec1 = reg3 - reg2;
DOTP_CONST_PAIR(vec1, vec0, cospi_24_64, cospi_8_64, vec0, vec1);
STORE_SH(vec0, (tmp_odd_buf));
STORE_SH(vec1, (tmp_odd_buf + 8));
/* 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);
vec0 = reg0 + reg1;
vec2 = reg7 - reg6;
vec1 = reg7 + reg6;
vec3 = reg0 - reg1;
STORE_SH(vec0, (tmp_odd_buf + 6 * 8));
STORE_SH(vec1, (tmp_odd_buf + 7 * 8));
DOTP_CONST_PAIR(vec2, vec3, cospi_24_64, cospi_8_64, vec2, vec3);
STORE_SH(vec2, (tmp_odd_buf + 2 * 8));
STORE_SH(vec3, (tmp_odd_buf + 3 * 8));
/* Odd stage 2 */
/* 8 loads */
reg0 = LOAD_SH(tmp_buf + 3 * 8);
reg1 = LOAD_SH(tmp_buf + 5 * 8);
reg2 = LOAD_SH(tmp_buf + 11 * 8);
reg3 = LOAD_SH(tmp_buf + 13 * 8);
reg4 = LOAD_SH(tmp_buf + 19 * 8);
reg5 = LOAD_SH(tmp_buf + 21 * 8);
reg6 = LOAD_SH(tmp_buf + 27 * 8);
reg7 = LOAD_SH(tmp_buf + 29 * 8);
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 */
vec0 = reg1 - reg2;
vec1 = reg6 - reg5;
vec2 = reg0 - reg3;
vec3 = reg7 - reg4;
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);
vec2 = loc2 - loc0;
vec3 = loc3 - loc1;
vec0 = loc2 + loc0;
vec1 = loc3 + loc1;
STORE_SH(vec0, (tmp_odd_buf + 12 * 8));
STORE_SH(vec1, (tmp_odd_buf + 15 * 8));
DOTP_CONST_PAIR(vec3, vec2, -cospi_8_64, cospi_24_64, vec0, vec1);
STORE_SH(vec0, (tmp_odd_buf + 10 * 8));
STORE_SH(vec1, (tmp_odd_buf + 11 * 8));
/* 4 Stores */
vec0 = reg0 + reg3;
vec1 = reg1 + reg2;
vec2 = reg6 + reg5;
vec3 = reg7 + reg4;
reg0 = vec0 + vec1;
reg1 = vec3 + vec2;
reg2 = vec0 - vec1;
reg3 = vec3 - vec2;
STORE_SH(reg0, (tmp_odd_buf + 13 * 8));
STORE_SH(reg1, (tmp_odd_buf + 14 * 8));
DOTP_CONST_PAIR(reg3, reg2, -cospi_8_64, cospi_24_64, reg0, reg1);
STORE_SH(reg0, (tmp_odd_buf + 8 * 8));
STORE_SH(reg1, (tmp_odd_buf + 9 * 8));
/* Odd stage 3 : Dependency on Odd stage 1 & Odd stage 2 */
/* Load 8 & Store 8 */
reg0 = LOAD_SH(tmp_odd_buf);
reg1 = LOAD_SH(tmp_odd_buf + 1 * 8);
reg2 = LOAD_SH(tmp_odd_buf + 2 * 8);
reg3 = LOAD_SH(tmp_odd_buf + 3 * 8);
reg4 = LOAD_SH(tmp_odd_buf + 8 * 8);
reg5 = LOAD_SH(tmp_odd_buf + 9 * 8);
reg6 = LOAD_SH(tmp_odd_buf + 10 * 8);
reg7 = LOAD_SH(tmp_odd_buf + 11 * 8);
loc0 = reg0 + reg4;
loc1 = reg1 + reg5;
loc2 = reg2 + reg6;
loc3 = reg3 + reg7;
STORE_SH(loc0, (tmp_odd_buf));
STORE_SH(loc1, (tmp_odd_buf + 1 * 8));
STORE_SH(loc2, (tmp_odd_buf + 2 * 8));
STORE_SH(loc3, (tmp_odd_buf + 3 * 8));
vec0 = reg0 - reg4;
vec1 = reg1 - reg5;
DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc0, loc1);
vec0 = reg2 - reg6;
vec1 = reg3 - reg7;
DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc2, loc3);
STORE_SH(loc0, (tmp_odd_buf + 8 * 8));
STORE_SH(loc1, (tmp_odd_buf + 9 * 8));
STORE_SH(loc2, (tmp_odd_buf + 10 * 8));
STORE_SH(loc3, (tmp_odd_buf + 11 * 8));
/* Load 8 & Store 8 */
reg1 = LOAD_SH(tmp_odd_buf + 4 * 8);
reg2 = LOAD_SH(tmp_odd_buf + 5 * 8);
reg0 = LOAD_SH(tmp_odd_buf + 6 * 8);
reg3 = LOAD_SH(tmp_odd_buf + 7 * 8);
reg4 = LOAD_SH(tmp_odd_buf + 12 * 8);
reg5 = LOAD_SH(tmp_odd_buf + 13 * 8);
reg6 = LOAD_SH(tmp_odd_buf + 14 * 8);
reg7 = LOAD_SH(tmp_odd_buf + 15 * 8);
loc0 = reg0 + reg4;
loc1 = reg1 + reg5;
loc2 = reg2 + reg6;
loc3 = reg3 + reg7;
STORE_SH(loc0, (tmp_odd_buf + 4 * 8));
STORE_SH(loc1, (tmp_odd_buf + 5 * 8));
STORE_SH(loc2, (tmp_odd_buf + 6 * 8));
STORE_SH(loc3, (tmp_odd_buf + 7 * 8));
vec0 = reg0 - reg4;
vec1 = reg3 - reg7;
DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc0, loc1);
vec0 = reg1 - reg5;
vec1 = reg2 - reg6;
DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc2, loc3);
STORE_SH(loc0, (tmp_odd_buf + 12 * 8));
STORE_SH(loc1, (tmp_odd_buf + 13 * 8));
STORE_SH(loc2, (tmp_odd_buf + 14 * 8));
STORE_SH(loc3, (tmp_odd_buf + 15 * 8));
}
static void vp9_idct_butterfly_transpose_store(int16_t *tmp_buf,
int16_t *tmp_eve_buf,
int16_t *tmp_odd_buf,
int16_t *dest) {
v8i16 vec0, vec1, vec2, vec3, loc0, loc1, loc2, loc3;
v8i16 m0, m1, m2, m3, m4, m5, m6, m7;
v8i16 n0, n1, n2, n3, n4, n5, n6, n7;
/* FINAL BUTTERFLY : Dependency on Even & Odd */
/* Total: 32 loads, 32 stores */
vec0 = LOAD_SH(tmp_odd_buf);
vec1 = LOAD_SH(tmp_odd_buf + 9 * 8);
vec2 = LOAD_SH(tmp_odd_buf + 14 * 8);
vec3 = LOAD_SH(tmp_odd_buf + 6 * 8);
loc0 = LOAD_SH(tmp_eve_buf);
loc1 = LOAD_SH(tmp_eve_buf + 8 * 8);
loc2 = LOAD_SH(tmp_eve_buf + 4 * 8);
loc3 = LOAD_SH(tmp_eve_buf + 12 * 8);
m0 = (loc0 + vec3);
STORE_SH((loc0 - vec3), (tmp_buf + 31 * 8));
STORE_SH((loc1 - vec2), (tmp_buf + 23 * 8));
m4 = (loc1 + vec2);
STORE_SH((loc2 - vec1), (tmp_buf + 27 * 8));
m2 = (loc2 + vec1);
STORE_SH((loc3 - vec0), (tmp_buf + 19 * 8));
m6 = (loc3 + vec0);
/* Load 8 & Store 8 */
vec0 = LOAD_SH(tmp_odd_buf + 4 * 8);
vec1 = LOAD_SH(tmp_odd_buf + 13 * 8);
vec2 = LOAD_SH(tmp_odd_buf + 10 * 8);
vec3 = LOAD_SH(tmp_odd_buf + 3 * 8);
loc0 = LOAD_SH(tmp_eve_buf + 2 * 8);
loc1 = LOAD_SH(tmp_eve_buf + 10 * 8);
loc2 = LOAD_SH(tmp_eve_buf + 6 * 8);
loc3 = LOAD_SH(tmp_eve_buf + 14 * 8);
m1 = (loc0 + vec3);
STORE_SH((loc0 - vec3), (tmp_buf + 29 * 8));
STORE_SH((loc1 - vec2), (tmp_buf + 21 * 8));
m5 = (loc1 + vec2);
STORE_SH((loc2 - vec1), (tmp_buf + 25 * 8));
m3 = (loc2 + vec1);
STORE_SH((loc3 - vec0), (tmp_buf + 17 * 8));
m7 = (loc3 + vec0);
/* Load 8 & Store 8 */
vec0 = LOAD_SH(tmp_odd_buf + 2 * 8);
vec1 = LOAD_SH(tmp_odd_buf + 11 * 8);
vec2 = LOAD_SH(tmp_odd_buf + 12 * 8);
vec3 = LOAD_SH(tmp_odd_buf + 7 * 8);
loc0 = LOAD_SH(tmp_eve_buf + 1 * 8);
loc1 = LOAD_SH(tmp_eve_buf + 9 * 8);
loc2 = LOAD_SH(tmp_eve_buf + 5 * 8);
loc3 = LOAD_SH(tmp_eve_buf + 13 * 8);
n0 = (loc0 + vec3);
STORE_SH((loc0 - vec3), (tmp_buf + 30 * 8));
STORE_SH((loc1 - vec2), (tmp_buf + 22 * 8));
n4 = (loc1 + vec2);
STORE_SH((loc2 - vec1), (tmp_buf + 26 * 8));
n2 = (loc2 + vec1);
STORE_SH((loc3 - vec0), (tmp_buf + 18 * 8));
n6 = (loc3 + vec0);
/* Load 8 & Store 8 */
vec0 = LOAD_SH(tmp_odd_buf + 5 * 8);
vec1 = LOAD_SH(tmp_odd_buf + 15 * 8);
vec2 = LOAD_SH(tmp_odd_buf + 8 * 8);
vec3 = LOAD_SH(tmp_odd_buf + 1 * 8);
loc0 = LOAD_SH(tmp_eve_buf + 3 * 8);
loc1 = LOAD_SH(tmp_eve_buf + 11 * 8);
loc2 = LOAD_SH(tmp_eve_buf + 7 * 8);
loc3 = LOAD_SH(tmp_eve_buf + 15 * 8);
n1 = (loc0 + vec3);
STORE_SH((loc0 - vec3), (tmp_buf + 28 * 8));
STORE_SH((loc1 - vec2), (tmp_buf + 20 * 8));
n5 = (loc1 + vec2);
STORE_SH((loc2 - vec1), (tmp_buf + 24 * 8));
n3 = (loc2 + vec1);
STORE_SH((loc3 - vec0), (tmp_buf + 16 * 8));
n7 = (loc3 + vec0);
/* Transpose : 16 vectors */
/* 1st & 2nd 8x8 */
TRANSPOSE8x8_H_SH(m0, n0, m1, n1, m2, n2, m3, n3,
m0, n0, m1, n1, m2, n2, m3, n3);
STORE_4VECS_SH((dest + 0), 32, m0, n0, m1, n1);
STORE_4VECS_SH((dest + 4 * 32), 32, m2, n2, m3, n3);
TRANSPOSE8x8_H_SH(m4, n4, m5, n5, m6, n6, m7, n7,
m4, n4, m5, n5, m6, n6, m7, n7);
STORE_4VECS_SH((dest + 8), 32, m4, n4, m5, n5);
STORE_4VECS_SH((dest + 8 + 4 * 32), 32, m6, n6, m7, n7);
/* 3rd & 4th 8x8 */
LOAD_8VECS_SH((tmp_buf + 8 * 16), 8, m0, n0, m1, n1, m2, n2, m3, n3);
LOAD_8VECS_SH((tmp_buf + 12 * 16), 8, m4, n4, m5, n5, m6, n6, m7, n7);
TRANSPOSE8x8_H_SH(m0, n0, m1, n1, m2, n2, m3, n3,
m0, n0, m1, n1, m2, n2, m3, n3);
STORE_4VECS_SH((dest + 16), 32, m0, n0, m1, n1);
STORE_4VECS_SH((dest + 16 + 4 * 32), 32, m2, n2, m3, n3);
TRANSPOSE8x8_H_SH(m4, n4, m5, n5, m6, n6, m7, n7,
m4, n4, m5, n5, m6, n6, m7, n7);
STORE_4VECS_SH((dest + 24), 32, m4, n4, m5, n5);
STORE_4VECS_SH((dest + 24 + 4 * 32), 32, m6, n6, m7, n7);
}
static void vp9_idct32x8_1d_rows_msa(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]);
vp9_idct32x8_row_transpose_store(input, &tmp_buf[0]);
vp9_idct32x8_row_even_process_store(&tmp_buf[0], &tmp_eve_buf[0]);
vp9_idct32x8_row_odd_process_store(&tmp_buf[0], &tmp_odd_buf[0]);
vp9_idct_butterfly_transpose_store(&tmp_buf[0], &tmp_eve_buf[0],
&tmp_odd_buf[0], output);
}
static void vp9_idct8x32_column_even_process_store(int16_t *tmp_buf,
int16_t *tmp_eve_buf) {
v8i16 vec0, vec1, vec2, vec3, loc0, loc1, loc2, loc3;
v8i16 reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7;
v8i16 stp0, stp1, stp2, stp3, stp4, stp5, stp6, stp7;
/* Even stage 1 */
LOAD_8VECS_SH(tmp_buf, (4 * 32),
reg0, reg1, reg2, reg3, 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);
vec0 = reg1 - reg5;
vec1 = reg1 + reg5;
vec2 = reg7 - reg3;
vec3 = reg7 + reg3;
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);
vec0 = reg4 - reg6;
vec1 = reg4 + reg6;
vec2 = reg0 - reg2;
vec3 = reg0 + reg2;
stp4 = vec0 - loc0;
stp3 = vec0 + loc0;
stp7 = vec1 - loc1;
stp0 = vec1 + loc1;
stp5 = vec2 - loc2;
stp2 = vec2 + loc2;
stp6 = vec3 - loc3;
stp1 = vec3 + loc3;
/* Even stage 2 */
/* Load 8 */
LOAD_8VECS_SH((tmp_buf + 2 * 32), (4 * 32),
reg0, reg1, reg2, reg3, 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 = reg0 + reg4;
reg0 = reg0 - reg4;
reg4 = reg6 + reg2;
reg6 = reg6 - reg2;
reg2 = reg1 + reg5;
reg1 = reg1 - reg5;
reg5 = reg7 + reg3;
reg7 = reg7 - reg3;
reg3 = vec0;
vec1 = reg2;
reg2 = reg3 + reg4;
reg3 = reg3 - reg4;
reg4 = reg5 - vec1;
reg5 = reg5 + vec1;
DOTP_CONST_PAIR(reg7, reg0, cospi_24_64, cospi_8_64, reg0, reg7);
DOTP_CONST_PAIR((-reg6), reg1, cospi_24_64, cospi_8_64, reg6, reg1);
vec0 = reg0 - reg6;
reg0 = reg0 + reg6;
vec1 = reg7 - reg1;
reg7 = 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 */
loc0 = stp0 - reg5;
loc1 = stp0 + reg5;
loc2 = stp1 - reg7;
loc3 = stp1 + reg7;
STORE_SH(loc0, (tmp_eve_buf + 15 * 8));
STORE_SH(loc1, (tmp_eve_buf));
STORE_SH(loc2, (tmp_eve_buf + 14 * 8));
STORE_SH(loc3, (tmp_eve_buf + 1 * 8));
loc0 = stp2 - reg1;
loc1 = stp2 + reg1;
loc2 = stp3 - reg4;
loc3 = stp3 + reg4;
STORE_SH(loc0, (tmp_eve_buf + 13 * 8));
STORE_SH(loc1, (tmp_eve_buf + 2 * 8));
STORE_SH(loc2, (tmp_eve_buf + 12 * 8));
STORE_SH(loc3, (tmp_eve_buf + 3 * 8));
/* Store 8 */
loc0 = stp4 - reg3;
loc1 = stp4 + reg3;
loc2 = stp5 - reg6;
loc3 = stp5 + reg6;
STORE_SH(loc0, (tmp_eve_buf + 11 * 8));
STORE_SH(loc1, (tmp_eve_buf + 4 * 8));
STORE_SH(loc2, (tmp_eve_buf + 10 * 8));
STORE_SH(loc3, (tmp_eve_buf + 5 * 8));
loc0 = stp6 - reg0;
loc1 = stp6 + reg0;
loc2 = stp7 - reg2;
loc3 = stp7 + reg2;
STORE_SH(loc0, (tmp_eve_buf + 9 * 8));
STORE_SH(loc1, (tmp_eve_buf + 6 * 8));
STORE_SH(loc2, (tmp_eve_buf + 8 * 8));
STORE_SH(loc3, (tmp_eve_buf + 7 * 8));
}
static void vp9_idct8x32_column_odd_process_store(int16_t *tmp_buf,
int16_t *tmp_odd_buf) {
v8i16 vec0, vec1, vec2, vec3, loc0, loc1, loc2, loc3;
v8i16 reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7;
/* Odd stage 1 */
reg0 = LOAD_SH(tmp_buf + 32);
reg1 = LOAD_SH(tmp_buf + 7 * 32);
reg2 = LOAD_SH(tmp_buf + 9 * 32);
reg3 = LOAD_SH(tmp_buf + 15 * 32);
reg4 = LOAD_SH(tmp_buf + 17 * 32);
reg5 = LOAD_SH(tmp_buf + 23 * 32);
reg6 = LOAD_SH(tmp_buf + 25 * 32);
reg7 = LOAD_SH(tmp_buf + 31 * 32);
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 = reg0 + reg3;
reg0 = reg0 - reg3;
reg3 = reg7 + reg4;
reg7 = reg7 - reg4;
reg4 = reg1 + reg2;
reg1 = reg1 - reg2;
reg2 = reg6 + reg5;
reg6 = reg6 - reg5;
reg5 = vec0;
/* 4 Stores */
vec0 = reg5 + reg4;
vec1 = reg3 + reg2;
STORE_SH(vec0, (tmp_odd_buf + 4 * 8));
STORE_SH(vec1, (tmp_odd_buf + 5 * 8));
vec0 = reg5 - reg4;
vec1 = reg3 - reg2;
DOTP_CONST_PAIR(vec1, vec0, cospi_24_64, cospi_8_64, vec0, vec1);
STORE_SH(vec0, (tmp_odd_buf));
STORE_SH(vec1, (tmp_odd_buf + 1 * 8));
/* 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);
vec0 = reg0 + reg1;
vec2 = reg7 - reg6;
vec1 = reg7 + reg6;
vec3 = reg0 - reg1;
STORE_SH(vec0, (tmp_odd_buf + 6 * 8));
STORE_SH(vec1, (tmp_odd_buf + 7 * 8));
DOTP_CONST_PAIR(vec2, vec3, cospi_24_64, cospi_8_64, vec2, vec3);
STORE_SH(vec2, (tmp_odd_buf + 2 * 8));
STORE_SH(vec3, (tmp_odd_buf + 3 * 8));
/* Odd stage 2 */
/* 8 loads */
reg0 = LOAD_SH(tmp_buf + 3 * 32);
reg1 = LOAD_SH(tmp_buf + 5 * 32);
reg2 = LOAD_SH(tmp_buf + 11 * 32);
reg3 = LOAD_SH(tmp_buf + 13 * 32);
reg4 = LOAD_SH(tmp_buf + 19 * 32);
reg5 = LOAD_SH(tmp_buf + 21 * 32);
reg6 = LOAD_SH(tmp_buf + 27 * 32);
reg7 = LOAD_SH(tmp_buf + 29 * 32);
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 */
vec0 = reg1 - reg2;
vec1 = reg6 - reg5;
vec2 = reg0 - reg3;
vec3 = reg7 - reg4;
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);
vec2 = loc2 - loc0;
vec3 = loc3 - loc1;
vec0 = loc2 + loc0;
vec1 = loc3 + loc1;
STORE_SH(vec0, (tmp_odd_buf + 12 * 8));
STORE_SH(vec1, (tmp_odd_buf + 15 * 8));
DOTP_CONST_PAIR(vec3, vec2, -cospi_8_64, cospi_24_64, vec0, vec1);
STORE_SH(vec0, (tmp_odd_buf + 10 * 8));
STORE_SH(vec1, (tmp_odd_buf + 11 * 8));
/* 4 Stores */
vec0 = reg0 + reg3;
vec1 = reg1 + reg2;
vec2 = reg6 + reg5;
vec3 = reg7 + reg4;
reg0 = vec0 + vec1;
reg1 = vec3 + vec2;
reg2 = vec0 - vec1;
reg3 = vec3 - vec2;
STORE_SH(reg0, (tmp_odd_buf + 13 * 8));
STORE_SH(reg1, (tmp_odd_buf + 14 * 8));
DOTP_CONST_PAIR(reg3, reg2, -cospi_8_64, cospi_24_64, reg0, reg1);
STORE_SH(reg0, (tmp_odd_buf + 8 * 8));
STORE_SH(reg1, (tmp_odd_buf + 9 * 8));
/* Odd stage 3 : Dependency on Odd stage 1 & Odd stage 2 */
/* Load 8 & Store 8 */
reg0 = LOAD_SH(tmp_odd_buf);
reg1 = LOAD_SH(tmp_odd_buf + 1 * 8);
reg2 = LOAD_SH(tmp_odd_buf + 2 * 8);
reg3 = LOAD_SH(tmp_odd_buf + 3 * 8);
reg4 = LOAD_SH(tmp_odd_buf + 8 * 8);
reg5 = LOAD_SH(tmp_odd_buf + 9 * 8);
reg6 = LOAD_SH(tmp_odd_buf + 10 * 8);
reg7 = LOAD_SH(tmp_odd_buf + 11 * 8);
loc0 = reg0 + reg4;
loc1 = reg1 + reg5;
loc2 = reg2 + reg6;
loc3 = reg3 + reg7;
STORE_SH(loc0, (tmp_odd_buf));
STORE_SH(loc1, (tmp_odd_buf + 1 * 8));
STORE_SH(loc2, (tmp_odd_buf + 2 * 8));
STORE_SH(loc3, (tmp_odd_buf + 3 * 8));
vec0 = reg0 - reg4;
vec1 = reg1 - reg5;
DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc0, loc1);
vec0 = reg2 - reg6;
vec1 = reg3 - reg7;
DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc2, loc3);
STORE_SH(loc0, (tmp_odd_buf + 8 * 8));
STORE_SH(loc1, (tmp_odd_buf + 9 * 8));
STORE_SH(loc2, (tmp_odd_buf + 10 * 8));
STORE_SH(loc3, (tmp_odd_buf + 11 * 8));
/* Load 8 & Store 8 */
reg1 = LOAD_SH(tmp_odd_buf + 4 * 8);
reg2 = LOAD_SH(tmp_odd_buf + 5 * 8);
reg0 = LOAD_SH(tmp_odd_buf + 6 * 8);
reg3 = LOAD_SH(tmp_odd_buf + 7 * 8);
reg4 = LOAD_SH(tmp_odd_buf + 12 * 8);
reg5 = LOAD_SH(tmp_odd_buf + 13 * 8);
reg6 = LOAD_SH(tmp_odd_buf + 14 * 8);
reg7 = LOAD_SH(tmp_odd_buf + 15 * 8);
loc0 = reg0 + reg4;
loc1 = reg1 + reg5;
loc2 = reg2 + reg6;
loc3 = reg3 + reg7;
STORE_SH(loc0, (tmp_odd_buf + 4 * 8));
STORE_SH(loc1, (tmp_odd_buf + 5 * 8));
STORE_SH(loc2, (tmp_odd_buf + 6 * 8));
STORE_SH(loc3, (tmp_odd_buf + 7 * 8));
vec0 = reg0 - reg4;
vec1 = reg3 - reg7;
DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc0, loc1);
vec0 = reg1 - reg5;
vec1 = reg2 - reg6;
DOTP_CONST_PAIR(vec1, vec0, cospi_16_64, cospi_16_64, loc2, loc3);
STORE_SH(loc0, (tmp_odd_buf + 12 * 8));
STORE_SH(loc1, (tmp_odd_buf + 13 * 8));
STORE_SH(loc2, (tmp_odd_buf + 14 * 8));
STORE_SH(loc3, (tmp_odd_buf + 15 * 8));
}
static void vp9_idct8x32_column_butterfly_addblk(int16_t *tmp_eve_buf,
int16_t *tmp_odd_buf,
uint8_t *dest,
int32_t dest_stride) {
v8i16 vec0, vec1, vec2, vec3, loc0, loc1, loc2, loc3;
v8i16 m0, m1, m2, m3, m4, m5, m6, m7;
v8i16 n0, n1, n2, n3, n4, n5, n6, n7;
/* FINAL BUTTERFLY : Dependency on Even & Odd */
vec0 = LOAD_SH(tmp_odd_buf);
vec1 = LOAD_SH(tmp_odd_buf + 9 * 8);
vec2 = LOAD_SH(tmp_odd_buf + 14 * 8);
vec3 = LOAD_SH(tmp_odd_buf + 6 * 8);
loc0 = LOAD_SH(tmp_eve_buf);
loc1 = LOAD_SH(tmp_eve_buf + 8 * 8);
loc2 = LOAD_SH(tmp_eve_buf + 4 * 8);
loc3 = LOAD_SH(tmp_eve_buf + 12 * 8);
m0 = (loc0 + vec3);
m4 = (loc1 + vec2);
m2 = (loc2 + vec1);
m6 = (loc3 + vec0);
SRARI_H_4VECS_SH(m0, m2, m4, m6, m0, m2, m4, m6, 6);
VP9_ADDBLK_CLIP_AND_STORE_OFF_4H_VECS(dest, dest_stride, m0, m2, m4, m6);
m6 = (loc0 - vec3);
m2 = (loc1 - vec2);
m4 = (loc2 - vec1);
m0 = (loc3 - vec0);
SRARI_H_4VECS_SH(m0, m2, m4, m6, m0, m2, m4, m6, 6);
VP9_ADDBLK_CLIP_AND_STORE_OFF_4H_VECS((dest + 19 * dest_stride),
dest_stride, m0, m2, m4, m6);
/* Load 8 & Store 8 */
vec0 = LOAD_SH(tmp_odd_buf + 4 * 8);
vec1 = LOAD_SH(tmp_odd_buf + 13 * 8);
vec2 = LOAD_SH(tmp_odd_buf + 10 * 8);
vec3 = LOAD_SH(tmp_odd_buf + 3 * 8);
loc0 = LOAD_SH(tmp_eve_buf + 2 * 8);
loc1 = LOAD_SH(tmp_eve_buf + 10 * 8);
loc2 = LOAD_SH(tmp_eve_buf + 6 * 8);
loc3 = LOAD_SH(tmp_eve_buf + 14 * 8);
m1 = (loc0 + vec3);
m5 = (loc1 + vec2);
m3 = (loc2 + vec1);
m7 = (loc3 + vec0);
SRARI_H_4VECS_SH(m1, m3, m5, m7, m1, m3, m5, m7, 6);
VP9_ADDBLK_CLIP_AND_STORE_OFF_4H_VECS((dest + 2 * dest_stride),
dest_stride, m1, m3, m5, m7);
m7 = (loc0 - vec3);
m3 = (loc1 - vec2);
m5 = (loc2 - vec1);
m1 = (loc3 - vec0);
SRARI_H_4VECS_SH(m1, m3, m5, m7, m1, m3, m5, m7, 6);
VP9_ADDBLK_CLIP_AND_STORE_OFF_4H_VECS((dest + 17 * dest_stride),
dest_stride, m1, m3, m5, m7);
/* Load 8 & Store 8 */
vec0 = LOAD_SH(tmp_odd_buf + 2 * 8);
vec1 = LOAD_SH(tmp_odd_buf + 11 * 8);
vec2 = LOAD_SH(tmp_odd_buf + 12 * 8);
vec3 = LOAD_SH(tmp_odd_buf + 7 * 8);
loc0 = LOAD_SH(tmp_eve_buf + 1 * 8);
loc1 = LOAD_SH(tmp_eve_buf + 9 * 8);
loc2 = LOAD_SH(tmp_eve_buf + 5 * 8);
loc3 = LOAD_SH(tmp_eve_buf + 13 * 8);
n0 = (loc0 + vec3);
n4 = (loc1 + vec2);
n2 = (loc2 + vec1);
n6 = (loc3 + vec0);
SRARI_H_4VECS_SH(n0, n2, n4, n6, n0, n2, n4, n6, 6);
VP9_ADDBLK_CLIP_AND_STORE_OFF_4H_VECS((dest + 1 * dest_stride),
dest_stride, n0, n2, n4, n6);
n6 = (loc0 - vec3);
n2 = (loc1 - vec2);
n4 = (loc2 - vec1);
n0 = (loc3 - vec0);
SRARI_H_4VECS_SH(n0, n2, n4, n6, n0, n2, n4, n6, 6);
VP9_ADDBLK_CLIP_AND_STORE_OFF_4H_VECS((dest + 18 * dest_stride),
dest_stride, n0, n2, n4, n6);
/* Load 8 & Store 8 */
vec0 = LOAD_SH(tmp_odd_buf + 5 * 8);
vec1 = LOAD_SH(tmp_odd_buf + 15 * 8);
vec2 = LOAD_SH(tmp_odd_buf + 8 * 8);
vec3 = LOAD_SH(tmp_odd_buf + 1 * 8);
loc0 = LOAD_SH(tmp_eve_buf + 3 * 8);
loc1 = LOAD_SH(tmp_eve_buf + 11 * 8);
loc2 = LOAD_SH(tmp_eve_buf + 7 * 8);
loc3 = LOAD_SH(tmp_eve_buf + 15 * 8);
n1 = (loc0 + vec3);
n5 = (loc1 + vec2);
n3 = (loc2 + vec1);
n7 = (loc3 + vec0);
SRARI_H_4VECS_SH(n1, n3, n5, n7, n1, n3, n5, n7, 6);
VP9_ADDBLK_CLIP_AND_STORE_OFF_4H_VECS((dest + 3 * dest_stride),
dest_stride, n1, n3, n5, n7);
n7 = (loc0 - vec3);
n3 = (loc1 - vec2);
n5 = (loc2 - vec1);
n1 = (loc3 - vec0);
SRARI_H_4VECS_SH(n1, n3, n5, n7, n1, n3, n5, n7, 6);
VP9_ADDBLK_CLIP_AND_STORE_OFF_4H_VECS((dest + 16 * dest_stride),
dest_stride, n1, n3, n5, n7);
}
static void vp9_idct8x32_1d_columns_addblk_msa(int16_t *input, uint8_t *dest,
int32_t dest_stride) {
DECLARE_ALIGNED(32, int16_t, tmp_odd_buf[16 * 8]);
DECLARE_ALIGNED(32, int16_t, tmp_eve_buf[16 * 8]);
vp9_idct8x32_column_even_process_store(input, &tmp_eve_buf[0]);
vp9_idct8x32_column_odd_process_store(input, &tmp_odd_buf[0]);
vp9_idct8x32_column_butterfly_addblk(&tmp_eve_buf[0], &tmp_odd_buf[0],
dest, dest_stride);
}
void vp9_idct32x32_1024_add_msa(const int16_t *input, uint8_t *dest,
int32_t dest_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 */
vp9_idct32x8_1d_rows_msa((input + (i << 8)), (out_ptr + (i << 8)));
}
/* transform columns */
for (i = 0; i < 4; ++i) {
/* process 8 * 32 block */
vp9_idct8x32_1d_columns_addblk_msa((out_ptr + (i << 3)), (dest + (i << 3)),
dest_stride);
}
}
void vp9_idct32x32_34_add_msa(const int16_t *input, uint8_t *dest,
int32_t dest_stride) {
int32_t i;
DECLARE_ALIGNED(32, int16_t, out_arr[32 * 32]);
int16_t *out_ptr = out_arr;
for (i = 32; i--;) {
__asm__ __volatile__ (
"sw $zero, 0(%[out_ptr]) \n\t"
"sw $zero, 4(%[out_ptr]) \n\t"
"sw $zero, 8(%[out_ptr]) \n\t"
"sw $zero, 12(%[out_ptr]) \n\t"
"sw $zero, 16(%[out_ptr]) \n\t"
"sw $zero, 20(%[out_ptr]) \n\t"
"sw $zero, 24(%[out_ptr]) \n\t"
"sw $zero, 28(%[out_ptr]) \n\t"
"sw $zero, 32(%[out_ptr]) \n\t"
"sw $zero, 36(%[out_ptr]) \n\t"
"sw $zero, 40(%[out_ptr]) \n\t"
"sw $zero, 44(%[out_ptr]) \n\t"
"sw $zero, 48(%[out_ptr]) \n\t"
"sw $zero, 52(%[out_ptr]) \n\t"
"sw $zero, 56(%[out_ptr]) \n\t"
"sw $zero, 60(%[out_ptr]) \n\t"
:
: [out_ptr] "r" (out_ptr)
);
out_ptr += 32;
}
out_ptr = out_arr;
/* rows: only upper-left 8x8 has non-zero coeff */
vp9_idct32x8_1d_rows_msa(input, out_ptr);
/* transform columns */
for (i = 0; i < 4; ++i) {
/* process 8 * 32 block */
vp9_idct8x32_1d_columns_addblk_msa((out_ptr + (i << 3)), (dest + (i << 3)),
dest_stride);
}
}
void vp9_idct32x32_1_add_msa(const int16_t *input, uint8_t *dest,
int32_t dest_stride) {
int32_t i, const1;
v8i16 const2;
int16_t out;
v8i16 res0, res1, res2, res3, res4, res5, res6, res7;
v16u8 dest0, dest1, dest2, dest3;
v16u8 tmp0, tmp1, tmp2, tmp3;
v16i8 zero = { 0 };
out = dct_const_round_shift(input[0] * cospi_16_64);
out = dct_const_round_shift(out * cospi_16_64);
const1 = ROUND_POWER_OF_TWO(out, 6);
const2 = __msa_fill_h(const1);
for (i = 0; i < 16; ++i) {
dest0 = LOAD_UB(dest);
dest1 = LOAD_UB(dest + 16);
dest2 = LOAD_UB(dest + dest_stride);
dest3 = LOAD_UB(dest + dest_stride + 16);
res0 = (v8i16)__msa_ilvr_b(zero, (v16i8)dest0);
res1 = (v8i16)__msa_ilvr_b(zero, (v16i8)dest1);
res2 = (v8i16)__msa_ilvr_b(zero, (v16i8)dest2);
res3 = (v8i16)__msa_ilvr_b(zero, (v16i8)dest3);
res4 = (v8i16)__msa_ilvl_b(zero, (v16i8)dest0);
res5 = (v8i16)__msa_ilvl_b(zero, (v16i8)dest1);
res6 = (v8i16)__msa_ilvl_b(zero, (v16i8)dest2);
res7 = (v8i16)__msa_ilvl_b(zero, (v16i8)dest3);
res0 += const2;
res1 += const2;
res2 += const2;
res3 += const2;
res4 += const2;
res5 += const2;
res6 += const2;
res7 += const2;
res0 = CLIP_UNSIGNED_CHAR_H(res0);
res1 = CLIP_UNSIGNED_CHAR_H(res1);
res2 = CLIP_UNSIGNED_CHAR_H(res2);
res3 = CLIP_UNSIGNED_CHAR_H(res3);
res4 = CLIP_UNSIGNED_CHAR_H(res4);
res5 = CLIP_UNSIGNED_CHAR_H(res5);
res6 = CLIP_UNSIGNED_CHAR_H(res6);
res7 = CLIP_UNSIGNED_CHAR_H(res7);
tmp0 = (v16u8)__msa_pckev_b((v16i8)res4, (v16i8)res0);
tmp1 = (v16u8)__msa_pckev_b((v16i8)res5, (v16i8)res1);
tmp2 = (v16u8)__msa_pckev_b((v16i8)res6, (v16i8)res2);
tmp3 = (v16u8)__msa_pckev_b((v16i8)res7, (v16i8)res3);
STORE_UB(tmp0, dest);
STORE_UB(tmp1, dest + 16);
dest += dest_stride;
STORE_UB(tmp2, dest);
STORE_UB(tmp3, dest + 16);
dest += dest_stride;
}
}