/*
* Copyright 2016 The LibYuv 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 "libyuv/scale_row.h"
// This module is for GCC MSA
#if !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa)
#include "libyuv/macros_msa.h"
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
void ScaleARGBRowDown2_MSA(const uint8_t* src_argb,
ptrdiff_t src_stride,
uint8_t* dst_argb,
int dst_width) {
int x;
v16u8 src0, src1, dst0;
(void)src_stride;
for (x = 0; x < dst_width; x += 4) {
src0 = (v16u8)__msa_ld_b((v16i8*)src_argb, 0);
src1 = (v16u8)__msa_ld_b((v16i8*)src_argb, 16);
dst0 = (v16u8)__msa_pckod_w((v4i32)src1, (v4i32)src0);
ST_UB(dst0, dst_argb);
src_argb += 32;
dst_argb += 16;
}
}
void ScaleARGBRowDown2Linear_MSA(const uint8_t* src_argb,
ptrdiff_t src_stride,
uint8_t* dst_argb,
int dst_width) {
int x;
v16u8 src0, src1, vec0, vec1, dst0;
(void)src_stride;
for (x = 0; x < dst_width; x += 4) {
src0 = (v16u8)__msa_ld_b((v16i8*)src_argb, 0);
src1 = (v16u8)__msa_ld_b((v16i8*)src_argb, 16);
vec0 = (v16u8)__msa_pckev_w((v4i32)src1, (v4i32)src0);
vec1 = (v16u8)__msa_pckod_w((v4i32)src1, (v4i32)src0);
dst0 = (v16u8)__msa_aver_u_b((v16u8)vec0, (v16u8)vec1);
ST_UB(dst0, dst_argb);
src_argb += 32;
dst_argb += 16;
}
}
void ScaleARGBRowDown2Box_MSA(const uint8_t* src_argb,
ptrdiff_t src_stride,
uint8_t* dst_argb,
int dst_width) {
int x;
const uint8_t* s = src_argb;
const uint8_t* t = src_argb + src_stride;
v16u8 src0, src1, src2, src3, vec0, vec1, vec2, vec3, dst0;
v8u16 reg0, reg1, reg2, reg3;
v16i8 shuffler = {0, 4, 1, 5, 2, 6, 3, 7, 8, 12, 9, 13, 10, 14, 11, 15};
for (x = 0; x < dst_width; x += 4) {
src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
src1 = (v16u8)__msa_ld_b((v16i8*)s, 16);
src2 = (v16u8)__msa_ld_b((v16i8*)t, 0);
src3 = (v16u8)__msa_ld_b((v16i8*)t, 16);
vec0 = (v16u8)__msa_vshf_b(shuffler, (v16i8)src0, (v16i8)src0);
vec1 = (v16u8)__msa_vshf_b(shuffler, (v16i8)src1, (v16i8)src1);
vec2 = (v16u8)__msa_vshf_b(shuffler, (v16i8)src2, (v16i8)src2);
vec3 = (v16u8)__msa_vshf_b(shuffler, (v16i8)src3, (v16i8)src3);
reg0 = __msa_hadd_u_h(vec0, vec0);
reg1 = __msa_hadd_u_h(vec1, vec1);
reg2 = __msa_hadd_u_h(vec2, vec2);
reg3 = __msa_hadd_u_h(vec3, vec3);
reg0 += reg2;
reg1 += reg3;
reg0 = (v8u16)__msa_srari_h((v8i16)reg0, 2);
reg1 = (v8u16)__msa_srari_h((v8i16)reg1, 2);
dst0 = (v16u8)__msa_pckev_b((v16i8)reg1, (v16i8)reg0);
ST_UB(dst0, dst_argb);
s += 32;
t += 32;
dst_argb += 16;
}
}
void ScaleARGBRowDownEven_MSA(const uint8_t* src_argb,
ptrdiff_t src_stride,
int32_t src_stepx,
uint8_t* dst_argb,
int dst_width) {
int x;
int32_t stepx = src_stepx * 4;
int32_t data0, data1, data2, data3;
(void)src_stride;
for (x = 0; x < dst_width; x += 4) {
data0 = LW(src_argb);
data1 = LW(src_argb + stepx);
data2 = LW(src_argb + stepx * 2);
data3 = LW(src_argb + stepx * 3);
SW(data0, dst_argb);
SW(data1, dst_argb + 4);
SW(data2, dst_argb + 8);
SW(data3, dst_argb + 12);
src_argb += stepx * 4;
dst_argb += 16;
}
}
void ScaleARGBRowDownEvenBox_MSA(const uint8* src_argb,
ptrdiff_t src_stride,
int src_stepx,
uint8* dst_argb,
int dst_width) {
int x;
const uint8* nxt_argb = src_argb + src_stride;
int32_t stepx = src_stepx * 4;
int64_t data0, data1, data2, data3;
v16u8 src0 = {0}, src1 = {0}, src2 = {0}, src3 = {0};
v16u8 vec0, vec1, vec2, vec3;
v8u16 reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7;
v16u8 dst0;
for (x = 0; x < dst_width; x += 4) {
data0 = LD(src_argb);
data1 = LD(src_argb + stepx);
data2 = LD(src_argb + stepx * 2);
data3 = LD(src_argb + stepx * 3);
src0 = (v16u8)__msa_insert_d((v2i64)src0, 0, data0);
src0 = (v16u8)__msa_insert_d((v2i64)src0, 1, data1);
src1 = (v16u8)__msa_insert_d((v2i64)src1, 0, data2);
src1 = (v16u8)__msa_insert_d((v2i64)src1, 1, data3);
data0 = LD(nxt_argb);
data1 = LD(nxt_argb + stepx);
data2 = LD(nxt_argb + stepx * 2);
data3 = LD(nxt_argb + stepx * 3);
src2 = (v16u8)__msa_insert_d((v2i64)src2, 0, data0);
src2 = (v16u8)__msa_insert_d((v2i64)src2, 1, data1);
src3 = (v16u8)__msa_insert_d((v2i64)src3, 0, data2);
src3 = (v16u8)__msa_insert_d((v2i64)src3, 1, data3);
vec0 = (v16u8)__msa_ilvr_b((v16i8)src2, (v16i8)src0);
vec1 = (v16u8)__msa_ilvr_b((v16i8)src3, (v16i8)src1);
vec2 = (v16u8)__msa_ilvl_b((v16i8)src2, (v16i8)src0);
vec3 = (v16u8)__msa_ilvl_b((v16i8)src3, (v16i8)src1);
reg0 = __msa_hadd_u_h(vec0, vec0);
reg1 = __msa_hadd_u_h(vec1, vec1);
reg2 = __msa_hadd_u_h(vec2, vec2);
reg3 = __msa_hadd_u_h(vec3, vec3);
reg4 = (v8u16)__msa_pckev_d((v2i64)reg2, (v2i64)reg0);
reg5 = (v8u16)__msa_pckev_d((v2i64)reg3, (v2i64)reg1);
reg6 = (v8u16)__msa_pckod_d((v2i64)reg2, (v2i64)reg0);
reg7 = (v8u16)__msa_pckod_d((v2i64)reg3, (v2i64)reg1);
reg4 += reg6;
reg5 += reg7;
reg4 = (v8u16)__msa_srari_h((v8i16)reg4, 2);
reg5 = (v8u16)__msa_srari_h((v8i16)reg5, 2);
dst0 = (v16u8)__msa_pckev_b((v16i8)reg5, (v16i8)reg4);
ST_UB(dst0, dst_argb);
src_argb += stepx * 4;
nxt_argb += stepx * 4;
dst_argb += 16;
}
}
void ScaleRowDown2_MSA(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst,
int dst_width) {
int x;
v16u8 src0, src1, src2, src3, dst0, dst1;
(void)src_stride;
for (x = 0; x < dst_width; x += 32) {
src0 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 0);
src1 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 16);
src2 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 32);
src3 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 48);
dst0 = (v16u8)__msa_pckod_b((v16i8)src1, (v16i8)src0);
dst1 = (v16u8)__msa_pckod_b((v16i8)src3, (v16i8)src2);
ST_UB2(dst0, dst1, dst, 16);
src_ptr += 64;
dst += 32;
}
}
void ScaleRowDown2Linear_MSA(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst,
int dst_width) {
int x;
v16u8 src0, src1, src2, src3, vec0, vec1, vec2, vec3, dst0, dst1;
(void)src_stride;
for (x = 0; x < dst_width; x += 32) {
src0 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 0);
src1 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 16);
src2 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 32);
src3 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 48);
vec0 = (v16u8)__msa_pckev_b((v16i8)src1, (v16i8)src0);
vec2 = (v16u8)__msa_pckev_b((v16i8)src3, (v16i8)src2);
vec1 = (v16u8)__msa_pckod_b((v16i8)src1, (v16i8)src0);
vec3 = (v16u8)__msa_pckod_b((v16i8)src3, (v16i8)src2);
dst0 = __msa_aver_u_b(vec1, vec0);
dst1 = __msa_aver_u_b(vec3, vec2);
ST_UB2(dst0, dst1, dst, 16);
src_ptr += 64;
dst += 32;
}
}
void ScaleRowDown2Box_MSA(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst,
int dst_width) {
int x;
const uint8_t* s = src_ptr;
const uint8_t* t = src_ptr + src_stride;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7, dst0, dst1;
v8u16 vec0, vec1, vec2, vec3;
for (x = 0; x < dst_width; x += 32) {
src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
src1 = (v16u8)__msa_ld_b((v16i8*)s, 16);
src2 = (v16u8)__msa_ld_b((v16i8*)s, 32);
src3 = (v16u8)__msa_ld_b((v16i8*)s, 48);
src4 = (v16u8)__msa_ld_b((v16i8*)t, 0);
src5 = (v16u8)__msa_ld_b((v16i8*)t, 16);
src6 = (v16u8)__msa_ld_b((v16i8*)t, 32);
src7 = (v16u8)__msa_ld_b((v16i8*)t, 48);
vec0 = __msa_hadd_u_h(src0, src0);
vec1 = __msa_hadd_u_h(src1, src1);
vec2 = __msa_hadd_u_h(src2, src2);
vec3 = __msa_hadd_u_h(src3, src3);
vec0 += __msa_hadd_u_h(src4, src4);
vec1 += __msa_hadd_u_h(src5, src5);
vec2 += __msa_hadd_u_h(src6, src6);
vec3 += __msa_hadd_u_h(src7, src7);
vec0 = (v8u16)__msa_srari_h((v8i16)vec0, 2);
vec1 = (v8u16)__msa_srari_h((v8i16)vec1, 2);
vec2 = (v8u16)__msa_srari_h((v8i16)vec2, 2);
vec3 = (v8u16)__msa_srari_h((v8i16)vec3, 2);
dst0 = (v16u8)__msa_pckev_b((v16i8)vec1, (v16i8)vec0);
dst1 = (v16u8)__msa_pckev_b((v16i8)vec3, (v16i8)vec2);
ST_UB2(dst0, dst1, dst, 16);
s += 64;
t += 64;
dst += 32;
}
}
void ScaleRowDown4_MSA(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst,
int dst_width) {
int x;
v16u8 src0, src1, src2, src3, vec0, vec1, dst0;
(void)src_stride;
for (x = 0; x < dst_width; x += 16) {
src0 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 0);
src1 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 16);
src2 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 32);
src3 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 48);
vec0 = (v16u8)__msa_pckev_b((v16i8)src1, (v16i8)src0);
vec1 = (v16u8)__msa_pckev_b((v16i8)src3, (v16i8)src2);
dst0 = (v16u8)__msa_pckod_b((v16i8)vec1, (v16i8)vec0);
ST_UB(dst0, dst);
src_ptr += 64;
dst += 16;
}
}
void ScaleRowDown4Box_MSA(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst,
int dst_width) {
int x;
const uint8_t* s = src_ptr;
const uint8_t* t0 = s + src_stride;
const uint8_t* t1 = s + src_stride * 2;
const uint8_t* t2 = s + src_stride * 3;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7, dst0;
v8u16 vec0, vec1, vec2, vec3;
v4u32 reg0, reg1, reg2, reg3;
for (x = 0; x < dst_width; x += 16) {
src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
src1 = (v16u8)__msa_ld_b((v16i8*)s, 16);
src2 = (v16u8)__msa_ld_b((v16i8*)s, 32);
src3 = (v16u8)__msa_ld_b((v16i8*)s, 48);
src4 = (v16u8)__msa_ld_b((v16i8*)t0, 0);
src5 = (v16u8)__msa_ld_b((v16i8*)t0, 16);
src6 = (v16u8)__msa_ld_b((v16i8*)t0, 32);
src7 = (v16u8)__msa_ld_b((v16i8*)t0, 48);
vec0 = __msa_hadd_u_h(src0, src0);
vec1 = __msa_hadd_u_h(src1, src1);
vec2 = __msa_hadd_u_h(src2, src2);
vec3 = __msa_hadd_u_h(src3, src3);
vec0 += __msa_hadd_u_h(src4, src4);
vec1 += __msa_hadd_u_h(src5, src5);
vec2 += __msa_hadd_u_h(src6, src6);
vec3 += __msa_hadd_u_h(src7, src7);
src0 = (v16u8)__msa_ld_b((v16i8*)t1, 0);
src1 = (v16u8)__msa_ld_b((v16i8*)t1, 16);
src2 = (v16u8)__msa_ld_b((v16i8*)t1, 32);
src3 = (v16u8)__msa_ld_b((v16i8*)t1, 48);
src4 = (v16u8)__msa_ld_b((v16i8*)t2, 0);
src5 = (v16u8)__msa_ld_b((v16i8*)t2, 16);
src6 = (v16u8)__msa_ld_b((v16i8*)t2, 32);
src7 = (v16u8)__msa_ld_b((v16i8*)t2, 48);
vec0 += __msa_hadd_u_h(src0, src0);
vec1 += __msa_hadd_u_h(src1, src1);
vec2 += __msa_hadd_u_h(src2, src2);
vec3 += __msa_hadd_u_h(src3, src3);
vec0 += __msa_hadd_u_h(src4, src4);
vec1 += __msa_hadd_u_h(src5, src5);
vec2 += __msa_hadd_u_h(src6, src6);
vec3 += __msa_hadd_u_h(src7, src7);
reg0 = __msa_hadd_u_w(vec0, vec0);
reg1 = __msa_hadd_u_w(vec1, vec1);
reg2 = __msa_hadd_u_w(vec2, vec2);
reg3 = __msa_hadd_u_w(vec3, vec3);
reg0 = (v4u32)__msa_srari_w((v4i32)reg0, 4);
reg1 = (v4u32)__msa_srari_w((v4i32)reg1, 4);
reg2 = (v4u32)__msa_srari_w((v4i32)reg2, 4);
reg3 = (v4u32)__msa_srari_w((v4i32)reg3, 4);
vec0 = (v8u16)__msa_pckev_h((v8i16)reg1, (v8i16)reg0);
vec1 = (v8u16)__msa_pckev_h((v8i16)reg3, (v8i16)reg2);
dst0 = (v16u8)__msa_pckev_b((v16i8)vec1, (v16i8)vec0);
ST_UB(dst0, dst);
s += 64;
t0 += 64;
t1 += 64;
t2 += 64;
dst += 16;
}
}
void ScaleRowDown38_MSA(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst,
int dst_width) {
int x, width;
uint64_t dst0;
uint32_t dst1;
v16u8 src0, src1, vec0;
v16i8 mask = {0, 3, 6, 8, 11, 14, 16, 19, 22, 24, 27, 30, 0, 0, 0, 0};
(void)src_stride;
assert(dst_width % 3 == 0);
width = dst_width / 3;
for (x = 0; x < width; x += 4) {
src0 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 0);
src1 = (v16u8)__msa_ld_b((v16i8*)src_ptr, 16);
vec0 = (v16u8)__msa_vshf_b(mask, (v16i8)src1, (v16i8)src0);
dst0 = __msa_copy_u_d((v2i64)vec0, 0);
dst1 = __msa_copy_u_w((v4i32)vec0, 2);
SD(dst0, dst);
SW(dst1, dst + 8);
src_ptr += 32;
dst += 12;
}
}
void ScaleRowDown38_2_Box_MSA(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst_ptr,
int dst_width) {
int x, width;
const uint8_t* s = src_ptr;
const uint8_t* t = src_ptr + src_stride;
uint64_t dst0;
uint32_t dst1;
v16u8 src0, src1, src2, src3, out;
v8u16 vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
v4u32 tmp0, tmp1, tmp2, tmp3, tmp4;
v8i16 zero = {0};
v8i16 mask = {0, 1, 2, 8, 3, 4, 5, 9};
v16i8 dst_mask = {0, 2, 16, 4, 6, 18, 8, 10, 20, 12, 14, 22, 0, 0, 0, 0};
v4u32 const_0x2AAA = (v4u32)__msa_fill_w(0x2AAA);
v4u32 const_0x4000 = (v4u32)__msa_fill_w(0x4000);
assert((dst_width % 3 == 0) && (dst_width > 0));
width = dst_width / 3;
for (x = 0; x < width; x += 4) {
src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
src1 = (v16u8)__msa_ld_b((v16i8*)s, 16);
src2 = (v16u8)__msa_ld_b((v16i8*)t, 0);
src3 = (v16u8)__msa_ld_b((v16i8*)t, 16);
vec0 = (v8u16)__msa_ilvr_b((v16i8)src2, (v16i8)src0);
vec1 = (v8u16)__msa_ilvl_b((v16i8)src2, (v16i8)src0);
vec2 = (v8u16)__msa_ilvr_b((v16i8)src3, (v16i8)src1);
vec3 = (v8u16)__msa_ilvl_b((v16i8)src3, (v16i8)src1);
vec0 = __msa_hadd_u_h((v16u8)vec0, (v16u8)vec0);
vec1 = __msa_hadd_u_h((v16u8)vec1, (v16u8)vec1);
vec2 = __msa_hadd_u_h((v16u8)vec2, (v16u8)vec2);
vec3 = __msa_hadd_u_h((v16u8)vec3, (v16u8)vec3);
vec4 = (v8u16)__msa_vshf_h(mask, zero, (v8i16)vec0);
vec5 = (v8u16)__msa_vshf_h(mask, zero, (v8i16)vec1);
vec6 = (v8u16)__msa_vshf_h(mask, zero, (v8i16)vec2);
vec7 = (v8u16)__msa_vshf_h(mask, zero, (v8i16)vec3);
vec0 = (v8u16)__msa_pckod_w((v4i32)vec1, (v4i32)vec0);
vec1 = (v8u16)__msa_pckod_w((v4i32)vec3, (v4i32)vec2);
vec0 = (v8u16)__msa_pckod_w((v4i32)vec1, (v4i32)vec0);
tmp0 = __msa_hadd_u_w(vec4, vec4);
tmp1 = __msa_hadd_u_w(vec5, vec5);
tmp2 = __msa_hadd_u_w(vec6, vec6);
tmp3 = __msa_hadd_u_w(vec7, vec7);
tmp4 = __msa_hadd_u_w(vec0, vec0);
vec0 = (v8u16)__msa_pckev_h((v8i16)tmp1, (v8i16)tmp0);
vec1 = (v8u16)__msa_pckev_h((v8i16)tmp3, (v8i16)tmp2);
tmp0 = __msa_hadd_u_w(vec0, vec0);
tmp1 = __msa_hadd_u_w(vec1, vec1);
tmp0 *= const_0x2AAA;
tmp1 *= const_0x2AAA;
tmp4 *= const_0x4000;
tmp0 = (v4u32)__msa_srai_w((v4i32)tmp0, 16);
tmp1 = (v4u32)__msa_srai_w((v4i32)tmp1, 16);
tmp4 = (v4u32)__msa_srai_w((v4i32)tmp4, 16);
vec0 = (v8u16)__msa_pckev_h((v8i16)tmp1, (v8i16)tmp0);
vec1 = (v8u16)__msa_pckev_h((v8i16)tmp4, (v8i16)tmp4);
out = (v16u8)__msa_vshf_b(dst_mask, (v16i8)vec1, (v16i8)vec0);
dst0 = __msa_copy_u_d((v2i64)out, 0);
dst1 = __msa_copy_u_w((v4i32)out, 2);
SD(dst0, dst_ptr);
SW(dst1, dst_ptr + 8);
s += 32;
t += 32;
dst_ptr += 12;
}
}
void ScaleRowDown38_3_Box_MSA(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst_ptr,
int dst_width) {
int x, width;
const uint8_t* s = src_ptr;
const uint8_t* t0 = s + src_stride;
const uint8_t* t1 = s + src_stride * 2;
uint64_t dst0;
uint32_t dst1;
v16u8 src0, src1, src2, src3, src4, src5, out;
v8u16 vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
v4u32 tmp0, tmp1, tmp2, tmp3, tmp4;
v8u16 zero = {0};
v8i16 mask = {0, 1, 2, 8, 3, 4, 5, 9};
v16i8 dst_mask = {0, 2, 16, 4, 6, 18, 8, 10, 20, 12, 14, 22, 0, 0, 0, 0};
v4u32 const_0x1C71 = (v4u32)__msa_fill_w(0x1C71);
v4u32 const_0x2AAA = (v4u32)__msa_fill_w(0x2AAA);
assert((dst_width % 3 == 0) && (dst_width > 0));
width = dst_width / 3;
for (x = 0; x < width; x += 4) {
src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
src1 = (v16u8)__msa_ld_b((v16i8*)s, 16);
src2 = (v16u8)__msa_ld_b((v16i8*)t0, 0);
src3 = (v16u8)__msa_ld_b((v16i8*)t0, 16);
src4 = (v16u8)__msa_ld_b((v16i8*)t1, 0);
src5 = (v16u8)__msa_ld_b((v16i8*)t1, 16);
vec0 = (v8u16)__msa_ilvr_b((v16i8)src2, (v16i8)src0);
vec1 = (v8u16)__msa_ilvl_b((v16i8)src2, (v16i8)src0);
vec2 = (v8u16)__msa_ilvr_b((v16i8)src3, (v16i8)src1);
vec3 = (v8u16)__msa_ilvl_b((v16i8)src3, (v16i8)src1);
vec4 = (v8u16)__msa_ilvr_b((v16i8)zero, (v16i8)src4);
vec5 = (v8u16)__msa_ilvl_b((v16i8)zero, (v16i8)src4);
vec6 = (v8u16)__msa_ilvr_b((v16i8)zero, (v16i8)src5);
vec7 = (v8u16)__msa_ilvl_b((v16i8)zero, (v16i8)src5);
vec0 = __msa_hadd_u_h((v16u8)vec0, (v16u8)vec0);
vec1 = __msa_hadd_u_h((v16u8)vec1, (v16u8)vec1);
vec2 = __msa_hadd_u_h((v16u8)vec2, (v16u8)vec2);
vec3 = __msa_hadd_u_h((v16u8)vec3, (v16u8)vec3);
vec0 += __msa_hadd_u_h((v16u8)vec4, (v16u8)vec4);
vec1 += __msa_hadd_u_h((v16u8)vec5, (v16u8)vec5);
vec2 += __msa_hadd_u_h((v16u8)vec6, (v16u8)vec6);
vec3 += __msa_hadd_u_h((v16u8)vec7, (v16u8)vec7);
vec4 = (v8u16)__msa_vshf_h(mask, (v8i16)zero, (v8i16)vec0);
vec5 = (v8u16)__msa_vshf_h(mask, (v8i16)zero, (v8i16)vec1);
vec6 = (v8u16)__msa_vshf_h(mask, (v8i16)zero, (v8i16)vec2);
vec7 = (v8u16)__msa_vshf_h(mask, (v8i16)zero, (v8i16)vec3);
vec0 = (v8u16)__msa_pckod_w((v4i32)vec1, (v4i32)vec0);
vec1 = (v8u16)__msa_pckod_w((v4i32)vec3, (v4i32)vec2);
vec0 = (v8u16)__msa_pckod_w((v4i32)vec1, (v4i32)vec0);
tmp0 = __msa_hadd_u_w(vec4, vec4);
tmp1 = __msa_hadd_u_w(vec5, vec5);
tmp2 = __msa_hadd_u_w(vec6, vec6);
tmp3 = __msa_hadd_u_w(vec7, vec7);
tmp4 = __msa_hadd_u_w(vec0, vec0);
vec0 = (v8u16)__msa_pckev_h((v8i16)tmp1, (v8i16)tmp0);
vec1 = (v8u16)__msa_pckev_h((v8i16)tmp3, (v8i16)tmp2);
tmp0 = __msa_hadd_u_w(vec0, vec0);
tmp1 = __msa_hadd_u_w(vec1, vec1);
tmp0 *= const_0x1C71;
tmp1 *= const_0x1C71;
tmp4 *= const_0x2AAA;
tmp0 = (v4u32)__msa_srai_w((v4i32)tmp0, 16);
tmp1 = (v4u32)__msa_srai_w((v4i32)tmp1, 16);
tmp4 = (v4u32)__msa_srai_w((v4i32)tmp4, 16);
vec0 = (v8u16)__msa_pckev_h((v8i16)tmp1, (v8i16)tmp0);
vec1 = (v8u16)__msa_pckev_h((v8i16)tmp4, (v8i16)tmp4);
out = (v16u8)__msa_vshf_b(dst_mask, (v16i8)vec1, (v16i8)vec0);
dst0 = __msa_copy_u_d((v2i64)out, 0);
dst1 = __msa_copy_u_w((v4i32)out, 2);
SD(dst0, dst_ptr);
SW(dst1, dst_ptr + 8);
s += 32;
t0 += 32;
t1 += 32;
dst_ptr += 12;
}
}
void ScaleAddRow_MSA(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width) {
int x;
v16u8 src0;
v8u16 dst0, dst1;
v16i8 zero = {0};
assert(src_width > 0);
for (x = 0; x < src_width; x += 16) {
src0 = LD_UB(src_ptr);
dst0 = (v8u16)__msa_ld_h((v8i16*)dst_ptr, 0);
dst1 = (v8u16)__msa_ld_h((v8i16*)dst_ptr, 16);
dst0 += (v8u16)__msa_ilvr_b(zero, (v16i8)src0);
dst1 += (v8u16)__msa_ilvl_b(zero, (v16i8)src0);
ST_UH2(dst0, dst1, dst_ptr, 8);
src_ptr += 16;
dst_ptr += 16;
}
}
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif
#endif // !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa)