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Add MSA optimized I422AlphaToARGBRow_MSA and I422ToRGB24Row_MSA functions

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R=fbarchard@google.com
BUG=libyuv:634

Performance Gain (vs C vectorized)
I422AlphaToARGBRow_MSA      : ~1.4x
I422AlphaToARGBRow_Any_MSA  : ~1.4x
I422ToRGB24Row_MSA          : ~4.8x
I422ToRGB24Row_Any_MSA      : ~4.8x

Performance Gain (vs C non-vectorized)
I422AlphaToARGBRow_MSA      : ~7.0x
I422AlphaToARGBRow_Any_MSA  : ~7.0x
I422ToRGB24Row_MSA          : ~7.9x
I422ToRGB24Row_Any_MSA      : ~7.7x

Review URL: https://codereview.chromium.org/2454433003 .
This commit is contained in:
Frank Barchard 2016-10-26 11:12:17 -07:00
parent 02ae8b60c5
commit 532f5708a9
8 changed files with 221 additions and 107 deletions
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2
README.chromium
View File

@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 1631
Version: 1632
License: BSD
License File: LICENSE

28
include/libyuv/row.h
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@ -383,6 +383,8 @@ extern "C" {
#define HAS_ARGBTOUVROW_MSA
#define HAS_I422TOARGBROW_MSA
#define HAS_I422TORGBAROW_MSA
#define HAS_I422ALPHATOARGBROW_MSA
#define HAS_I422TORGB24ROW_MSA
#endif
#if defined(_MSC_VER) && !defined(__CLR_VER) && !defined(__clang__)
@ -663,6 +665,19 @@ void I422ToRGBARow_MSA(const uint8* src_y,
uint8* dst_rgba,
const struct YuvConstants* yuvconstants,
int width);
void I422AlphaToARGBRow_MSA(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
const uint8* a_buf,
uint8* dst_argb,
const struct YuvConstants* yuvconstants,
int width);
void I422ToRGB24Row_MSA(const uint8* src_y,
const uint8* src_u,
const uint8* src_v,
uint8* dst_rgb24,
const struct YuvConstants* yuvconstants,
int width);
void ARGBToYRow_AVX2(const uint8* src_argb, uint8* dst_y, int width);
void ARGBToYRow_Any_AVX2(const uint8* src_argb, uint8* dst_y, int width);
@ -1653,6 +1668,19 @@ void I422ToRGBARow_Any_MSA(const uint8* src_y,
uint8* dst_argb,
const struct YuvConstants* yuvconstants,
int width);
void I422AlphaToARGBRow_Any_MSA(const uint8* src_y,
const uint8* src_u,
const uint8* src_v,
const uint8* src_a,
uint8* dst_argb,
const struct YuvConstants* yuvconstants,
int width);
void I422ToRGB24Row_Any_MSA(const uint8* src_y,
const uint8* src_u,
const uint8* src_v,
uint8* dst_rgb24,
const struct YuvConstants* yuvconstants,
int width);
void YUY2ToYRow_AVX2(const uint8* src_yuy2, uint8* dst_y, int width);
void YUY2ToUVRow_AVX2(const uint8* src_yuy2, int stride_yuy2,

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 1631
#define LIBYUV_VERSION 1632
#endif // INCLUDE_LIBYUV_VERSION_H_

8
source/convert_argb.cc
View File

@ -564,6 +564,14 @@ static int I420AlphaToARGBMatrix(const uint8* src_y, int src_stride_y,
I422AlphaToARGBRow = I422AlphaToARGBRow_DSPR2;
}
#endif
#if defined(HAS_I422ALPHATOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
I422AlphaToARGBRow = I422AlphaToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 8)) {
I422AlphaToARGBRow = I422AlphaToARGBRow_MSA;
}
}
#endif
#if defined(HAS_ARGBATTENUATEROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBAttenuateRow = ARGBAttenuateRow_Any_SSSE3;

8
source/convert_from.cc
View File

@ -558,6 +558,14 @@ static int I420ToRGB24Matrix(const uint8* src_y, int src_stride_y,
}
}
#endif
#if defined(HAS_I422TORGB24ROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
I422ToRGB24Row = I422ToRGB24Row_Any_MSA;
if (IS_ALIGNED(width, 16)) {
I422ToRGB24Row = I422ToRGB24Row_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
I422ToRGB24Row(src_y, src_u, src_v, dst_rgb24, yuvconstants, width);

4
source/row_any.cc
View File

@ -53,6 +53,9 @@ ANY41C(I422AlphaToARGBRow_Any_AVX2, I422AlphaToARGBRow_AVX2, 1, 0, 4, 15)
#ifdef HAS_I422ALPHATOARGBROW_NEON
ANY41C(I422AlphaToARGBRow_Any_NEON, I422AlphaToARGBRow_NEON, 1, 0, 4, 7)
#endif
#ifdef HAS_I422ALPHATOARGBROW_MSA
ANY41C(I422AlphaToARGBRow_Any_MSA, I422AlphaToARGBRow_MSA, 1, 0, 4, 7)
#endif
#undef ANY41C
// Any 3 planes to 1.
@ -168,6 +171,7 @@ ANY31C(I422ToRGB565Row_Any_NEON, I422ToRGB565Row_NEON, 1, 0, 2, 7)
#ifdef HAS_I422TOARGBROW_MSA
ANY31C(I422ToARGBRow_Any_MSA, I422ToARGBRow_MSA, 1, 0, 4, 7)
ANY31C(I422ToRGBARow_Any_MSA, I422ToRGBARow_MSA, 1, 0, 4, 7)
ANY31C(I422ToRGB24Row_Any_MSA, I422ToRGB24Row_MSA, 1, 0, 3, 15)
#endif
#undef ANY31C

250
source/row_msa.cc
View File

@ -19,65 +19,79 @@ namespace libyuv {
extern "C" {
#endif
// Load YUV 422 pixel data
#define READYUV422(psrc_y, psrc_u, psrc_v, out_y, out_u, out_v) { \
uint64 y_m; \
uint32 u_m, v_m; \
v4i32 zero_m = { 0 }; \
y_m = LD(psrc_y); \
u_m = LW(psrc_u); \
v_m = LW(psrc_v); \
out_y = (v16u8) __msa_insert_d((v2i64) zero_m, 0, (int64) y_m); \
out_u = (v16u8) __msa_insert_w(zero_m, 0, (int32) u_m); \
out_v = (v16u8) __msa_insert_w(zero_m, 0, (int32) v_m); \
}
// Convert 8 pixels of YUV 420 to RGB.
#define I422TORGB(in0, in1, in2, ub, vr, ug, vg, \
bb, bg, br, yg, out0, out1, out2) { \
v8i16 vec0_m; \
v4i32 reg0_m, reg1_m, reg2_m, reg3_m, reg4_m; \
v4i32 reg5_m, reg6_m, reg7_m, reg8_m, reg9_m; \
v4i32 max_val_m = __msa_ldi_w(255); \
v8i16 zero_m = { 0 }; \
\
in1 = (v16u8) __msa_ilvr_b((v16i8) in1, (v16i8) in1); \
in2 = (v16u8) __msa_ilvr_b((v16i8) in2, (v16i8) in2); \
vec0_m = (v8i16) __msa_ilvr_b((v16i8) in0, (v16i8) in0); \
reg0_m = (v4i32) __msa_ilvr_h(zero_m, vec0_m); \
reg1_m = (v4i32) __msa_ilvl_h(zero_m, vec0_m); \
reg0_m *= vec_yg; \
reg1_m *= vec_yg; \
reg0_m = __msa_srai_w(reg0_m, 16); \
reg1_m = __msa_srai_w(reg1_m, 16); \
reg4_m = reg0_m + br; \
reg5_m = reg1_m + br; \
reg2_m = reg0_m + bg; \
reg3_m = reg1_m + bg; \
reg0_m += bb; \
reg1_m += bb; \
vec0_m = (v8i16) __msa_ilvr_b((v16i8) zero_m, (v16i8) in1); \
reg6_m = (v4i32) __msa_ilvr_h(zero_m, (v8i16) vec0_m); \
reg7_m = (v4i32) __msa_ilvl_h(zero_m, (v8i16) vec0_m); \
vec0_m = (v8i16) __msa_ilvr_b((v16i8) zero_m, (v16i8) in2); \
reg8_m = (v4i32) __msa_ilvr_h(zero_m, (v8i16) vec0_m); \
reg9_m = (v4i32) __msa_ilvl_h(zero_m, (v8i16) vec0_m); \
reg0_m -= reg6_m * ub; \
reg1_m -= reg7_m * ub; \
reg2_m -= reg6_m * ug; \
reg3_m -= reg7_m * ug; \
reg4_m -= reg8_m * vr; \
reg5_m -= reg9_m * vr; \
reg2_m -= reg8_m * vg; \
reg3_m -= reg9_m * vg; \
reg0_m = __msa_srai_w(reg0_m, 6); \
reg1_m = __msa_srai_w(reg1_m, 6); \
reg2_m = __msa_srai_w(reg2_m, 6); \
reg3_m = __msa_srai_w(reg3_m, 6); \
reg4_m = __msa_srai_w(reg4_m, 6); \
reg5_m = __msa_srai_w(reg5_m, 6); \
reg0_m = __msa_maxi_s_w(reg0_m, 0); \
reg1_m = __msa_maxi_s_w(reg1_m, 0); \
reg2_m = __msa_maxi_s_w(reg2_m, 0); \
reg3_m = __msa_maxi_s_w(reg3_m, 0); \
reg4_m = __msa_maxi_s_w(reg4_m, 0); \
reg5_m = __msa_maxi_s_w(reg5_m, 0); \
reg0_m = __msa_min_s_w(reg0_m, max_val_m); \
reg1_m = __msa_min_s_w(reg1_m, max_val_m); \
reg2_m = __msa_min_s_w(reg2_m, max_val_m); \
reg3_m = __msa_min_s_w(reg3_m, max_val_m); \
reg4_m = __msa_min_s_w(reg4_m, max_val_m); \
reg5_m = __msa_min_s_w(reg5_m, max_val_m); \
out0 = __msa_pckev_h((v8i16) reg1_m, (v8i16) reg0_m); \
out1 = __msa_pckev_h((v8i16) reg3_m, (v8i16) reg2_m); \
out2 = __msa_pckev_h((v8i16) reg5_m, (v8i16) reg4_m); \
#define I422TORGB(in_y, in_u, in_v, \
ub, vr, ug, vg, bb, bg, br, yg, \
out_b, out_g, out_r) { \
v8i16 vec0_m; \
v4i32 reg0_m, reg1_m, reg2_m, reg3_m, reg4_m; \
v4i32 reg5_m, reg6_m, reg7_m, reg8_m, reg9_m; \
v4i32 max_val_m = __msa_ldi_w(255); \
v8i16 zero_m = { 0 }; \
\
in_u = (v16u8) __msa_ilvr_b((v16i8) in_u, (v16i8) in_u); \
in_v = (v16u8) __msa_ilvr_b((v16i8) in_v, (v16i8) in_v); \
vec0_m = (v8i16) __msa_ilvr_b((v16i8) in_y, (v16i8) in_y); \
reg0_m = (v4i32) __msa_ilvr_h(zero_m, vec0_m); \
reg1_m = (v4i32) __msa_ilvl_h(zero_m, vec0_m); \
reg0_m *= vec_yg; \
reg1_m *= vec_yg; \
reg0_m = __msa_srai_w(reg0_m, 16); \
reg1_m = __msa_srai_w(reg1_m, 16); \
reg4_m = reg0_m + br; \
reg5_m = reg1_m + br; \
reg2_m = reg0_m + bg; \
reg3_m = reg1_m + bg; \
reg0_m += bb; \
reg1_m += bb; \
vec0_m = (v8i16) __msa_ilvr_b((v16i8) zero_m, (v16i8) in_u); \
reg6_m = (v4i32) __msa_ilvr_h(zero_m, (v8i16) vec0_m); \
reg7_m = (v4i32) __msa_ilvl_h(zero_m, (v8i16) vec0_m); \
vec0_m = (v8i16) __msa_ilvr_b((v16i8) zero_m, (v16i8) in_v); \
reg8_m = (v4i32) __msa_ilvr_h(zero_m, (v8i16) vec0_m); \
reg9_m = (v4i32) __msa_ilvl_h(zero_m, (v8i16) vec0_m); \
reg0_m -= reg6_m * ub; \
reg1_m -= reg7_m * ub; \
reg2_m -= reg6_m * ug; \
reg3_m -= reg7_m * ug; \
reg4_m -= reg8_m * vr; \
reg5_m -= reg9_m * vr; \
reg2_m -= reg8_m * vg; \
reg3_m -= reg9_m * vg; \
reg0_m = __msa_srai_w(reg0_m, 6); \
reg1_m = __msa_srai_w(reg1_m, 6); \
reg2_m = __msa_srai_w(reg2_m, 6); \
reg3_m = __msa_srai_w(reg3_m, 6); \
reg4_m = __msa_srai_w(reg4_m, 6); \
reg5_m = __msa_srai_w(reg5_m, 6); \
reg0_m = __msa_maxi_s_w(reg0_m, 0); \
reg1_m = __msa_maxi_s_w(reg1_m, 0); \
reg2_m = __msa_maxi_s_w(reg2_m, 0); \
reg3_m = __msa_maxi_s_w(reg3_m, 0); \
reg4_m = __msa_maxi_s_w(reg4_m, 0); \
reg5_m = __msa_maxi_s_w(reg5_m, 0); \
reg0_m = __msa_min_s_w(reg0_m, max_val_m); \
reg1_m = __msa_min_s_w(reg1_m, max_val_m); \
reg2_m = __msa_min_s_w(reg2_m, max_val_m); \
reg3_m = __msa_min_s_w(reg3_m, max_val_m); \
reg4_m = __msa_min_s_w(reg4_m, max_val_m); \
reg5_m = __msa_min_s_w(reg5_m, max_val_m); \
out_b = __msa_pckev_h((v8i16) reg1_m, (v8i16) reg0_m); \
out_g = __msa_pckev_h((v8i16) reg3_m, (v8i16) reg2_m); \
out_r = __msa_pckev_h((v8i16) reg5_m, (v8i16) reg4_m); \
}
void MirrorRow_MSA(const uint8* src, uint8* dst, int width) {
@ -166,13 +180,10 @@ void I422ToARGBRow_MSA(const uint8* src_y, const uint8* src_u,
const uint8* src_v, uint8* rgb_buf,
const struct YuvConstants* yuvconstants, int width) {
int x;
int32 data_u, data_v;
int64 data_y;
v16u8 src0, src1, src2, dst0, dst1;
v8i16 vec0, vec1, vec2;
v4i32 vec_ub, vec_vr, vec_ug, vec_vg, vec_bb, vec_bg, vec_br, vec_yg;
v16u8 const_255 = (v16u8) __msa_ldi_b(255);
v4i32 zero = { 0 };
vec_ub = __msa_fill_w(yuvconstants->kUVToB[0]);
vec_vr = __msa_fill_w(yuvconstants->kUVToR[1]);
@ -184,12 +195,7 @@ void I422ToARGBRow_MSA(const uint8* src_y, const uint8* src_u,
vec_yg = __msa_fill_w(yuvconstants->kYToRgb[0]);
for (x = 0; x < width; x += 8) {
data_y = LD(src_y);
data_u = LW(src_u);
data_v = LW(src_v);
src0 = (v16u8) __msa_insert_d((v2i64) zero, 0, data_y);
src1 = (v16u8) __msa_insert_w(zero, 0, data_u);
src2 = (v16u8) __msa_insert_w(zero, 0, data_v);
READYUV422(src_y, src_u, src_v, src0, src1, src2);
I422TORGB(src0, src1, src2, vec_ub, vec_vr, vec_ug, vec_vg,
vec_bb, vec_bg, vec_br, vec_yg, vec0, vec1, vec2);
vec0 = (v8i16) __msa_ilvev_b((v16i8) vec1, (v16i8) vec0);
@ -208,12 +214,46 @@ void I422ToRGBARow_MSA(const uint8* src_y, const uint8* src_u,
const uint8* src_v, uint8* rgb_buf,
const struct YuvConstants* yuvconstants, int width) {
int x;
int64 data_y;
int32 data_u, data_v;
v16u8 src0, src1, src2, dst0, dst1;
v8i16 vec0, vec1, vec2;
v4i32 vec_ub, vec_vr, vec_ug, vec_vg, vec_bb, vec_bg, vec_br, vec_yg;
v16u8 const_255 = (v16u8) __msa_ldi_b(255);
vec_ub = __msa_fill_w(yuvconstants->kUVToB[0]);
vec_vr = __msa_fill_w(yuvconstants->kUVToR[1]);
vec_ug = __msa_fill_w(yuvconstants->kUVToG[0]);
vec_vg = __msa_fill_w(yuvconstants->kUVToG[1]);
vec_bb = __msa_fill_w(yuvconstants->kUVBiasB[0]);
vec_bg = __msa_fill_w(yuvconstants->kUVBiasG[0]);
vec_br = __msa_fill_w(yuvconstants->kUVBiasR[0]);
vec_yg = __msa_fill_w(yuvconstants->kYToRgb[0]);
for (x = 0; x < width; x += 8) {
READYUV422(src_y, src_u, src_v, src0, src1, src2);
I422TORGB(src0, src1, src2, vec_ub, vec_vr, vec_ug, vec_vg,
vec_bb, vec_bg, vec_br, vec_yg, vec0, vec1, vec2);
vec0 = (v8i16) __msa_ilvev_b((v16i8) vec0, (v16i8) const_255);
vec1 = (v8i16) __msa_ilvev_b((v16i8) vec2, (v16i8) vec1);
dst0 = (v16u8) __msa_ilvr_h(vec1, vec0);
dst1 = (v16u8) __msa_ilvl_h(vec1, vec0);
ST_UB2(dst0, dst1, rgb_buf, 16);
src_y += 8;
src_u += 4;
src_v += 4;
rgb_buf += 32;
}
}
void I422AlphaToARGBRow_MSA(const uint8* src_y, const uint8* src_u,
const uint8* src_v, const uint8* src_a,
uint8* rgb_buf,
const struct YuvConstants* yuvconstants,
int width) {
int x;
int64 data_a;
v16u8 src0, src1, src2, src3, dst0, dst1;
v8i16 vec0, vec1, vec2;
v4i32 vec_ub, vec_vr, vec_ug, vec_vg, vec_bb, vec_bg, vec_br, vec_yg;
v4i32 zero = { 0 };
vec_ub = __msa_fill_w(yuvconstants->kUVToB[0]);
@ -226,26 +266,78 @@ void I422ToRGBARow_MSA(const uint8* src_y, const uint8* src_u,
vec_yg = __msa_fill_w(yuvconstants->kYToRgb[0]);
for (x = 0; x < width; x += 8) {
data_y = LD(src_y);
data_u = LW(src_u);
data_v = LW(src_v);
src0 = (v16u8) __msa_insert_d((v2i64) zero, 0, data_y);
src1 = (v16u8) __msa_insert_w(zero, 0, data_u);
src2 = (v16u8) __msa_insert_w(zero, 0, data_v);
data_a = LD(src_a);
READYUV422(src_y, src_u, src_v, src0, src1, src2);
src3 = (v16u8) __msa_insert_d((v2i64) zero, 0, data_a);
I422TORGB(src0, src1, src2, vec_ub, vec_vr, vec_ug, vec_vg,
vec_bb, vec_bg, vec_br, vec_yg, vec0, vec1, vec2);
vec0 = (v8i16) __msa_ilvev_b((v16i8) vec0, (v16i8) const_255);
vec1 = (v8i16) __msa_ilvev_b((v16i8) vec2, (v16i8) vec1);
dst0 = (v16u8) __msa_ilvr_h(vec1, vec0);
dst1 = (v16u8) __msa_ilvl_h(vec1, vec0);
src3 = (v16u8) __msa_ilvr_b((v16i8) src3, (v16i8) src3);
vec0 = (v8i16) __msa_ilvev_b((v16i8) vec1, (v16i8) vec0);
vec1 = (v8i16) __msa_ilvev_b((v16i8) src3, (v16i8) vec2);
dst0 = (v16u8) __msa_ilvr_h((v8i16) vec1, (v8i16) vec0);
dst1 = (v16u8) __msa_ilvl_h((v8i16) vec1, (v8i16) vec0);
ST_UB2(dst0, dst1, rgb_buf, 16);
src_y += 8;
src_u += 4;
src_v += 4;
src_a += 8;
rgb_buf += 32;
}
}
void I422ToRGB24Row_MSA(const uint8* src_y, const uint8* src_u,
const uint8* src_v, uint8* rgb_buf,
const struct YuvConstants* yuvconstants, int32 width) {
int x;
int64 data_u, data_v;
v16u8 src0, src1, src2, src3, src4, src5, dst0, dst1, dst2;
v8i16 vec0, vec1, vec2, vec3, vec4, vec5;
v4i32 vec_ub, vec_vr, vec_ug, vec_vg, vec_bb, vec_bg, vec_br, vec_yg;
v16u8 reg0, reg1, reg2, reg3;
v2i64 zero = { 0 };
v16i8 shuffler0 = { 0, 1, 16, 2, 3, 17, 4, 5, 18, 6, 7, 19, 8, 9, 20, 10 };
v16i8 shuffler1 = { 0, 21, 1, 2, 22, 3, 4, 23, 5, 6, 24, 7, 8, 25, 9, 10 };
v16i8 shuffler2 =
{ 26, 6, 7, 27, 8, 9, 28, 10, 11, 29, 12, 13, 30, 14, 15, 31 };
vec_ub = __msa_fill_w(yuvconstants->kUVToB[0]);
vec_vr = __msa_fill_w(yuvconstants->kUVToR[1]);
vec_ug = __msa_fill_w(yuvconstants->kUVToG[0]);
vec_vg = __msa_fill_w(yuvconstants->kUVToG[1]);
vec_bb = __msa_fill_w(yuvconstants->kUVBiasB[0]);
vec_bg = __msa_fill_w(yuvconstants->kUVBiasG[0]);
vec_br = __msa_fill_w(yuvconstants->kUVBiasR[0]);
vec_yg = __msa_fill_w(yuvconstants->kYToRgb[0]);
for (x = 0; x < width; x += 16) {
src0 = (v16u8) __msa_ld_b((v16u8*) src_y, 0);
data_u = LD(src_u);
data_v = LD(src_v);
src1 = (v16u8) __msa_insert_d(zero, 0, data_u);
src2 = (v16u8) __msa_insert_d(zero, 0, data_v);
src3 = (v16u8) __msa_sldi_b((v16i8) src0, (v16i8) src0, 8);
src4 = (v16u8) __msa_sldi_b((v16i8) src1, (v16i8) src1, 4);
src5 = (v16u8) __msa_sldi_b((v16i8) src2, (v16i8) src2, 4);
I422TORGB(src0, src1, src2, vec_ub, vec_vr, vec_ug, vec_vg,
vec_bb, vec_bg, vec_br, vec_yg, vec0, vec1, vec2);
I422TORGB(src3, src4, src5, vec_ub, vec_vr, vec_ug, vec_vg,
vec_bb, vec_bg, vec_br, vec_yg, vec3, vec4, vec5);
reg0 = (v16u8) __msa_ilvev_b((v16i8) vec1, (v16i8) vec0);
reg2 = (v16u8) __msa_ilvev_b((v16i8) vec4, (v16i8) vec3);
reg3 = (v16u8) __msa_pckev_b((v16i8) vec5, (v16i8) vec2);
reg1 = (v16u8) __msa_sldi_b((v16i8) reg2, (v16i8) reg0, 11);
dst0 = (v16u8) __msa_vshf_b(shuffler0, (v16i8) reg3, (v16i8) reg0);
dst1 = (v16u8) __msa_vshf_b(shuffler1, (v16i8) reg3, (v16i8) reg1);
dst2 = (v16u8) __msa_vshf_b(shuffler2, (v16i8) reg3, (v16i8) reg2);
ST_UB2(dst0, dst1, rgb_buf, 16);
ST_UB(dst2, (rgb_buf + 32));
src_y += 16;
src_u += 8;
src_v += 8;
rgb_buf += 48;
}
}
void YUY2ToYRow_MSA(const uint8* src_yuy2, uint8* dst_y, int width) {
int x;
v16u8 src0, src1, src2, src3, dst0, dst1;

26
source/row_neon64.cc
View File

@ -2711,7 +2711,6 @@ void SobelYRow_NEON(const uint8* src_y0, const uint8* src_y1,
);
}
void HalfFloat1Row_NEON(const uint16* src, uint16* dst, float, int width) {
asm volatile (
"1: \n"
@ -2735,31 +2734,6 @@ void HalfFloat1Row_NEON(const uint16* src, uint16* dst, float, int width) {
);
}
void HalfFloatRow_NEON2(const uint16* src, uint16* dst, float scale, int width) {
asm volatile (
"1: \n"
MEMACCESS(0)
"ld1 {v1.16b}, [%0], #16 \n" // load 8 shorts
"subs %w2, %w2, #8 \n" // 8 pixels per loop
"uxtl v2.4s, v1.4h \n" // 8 int's
"uxtl2 v1.4s, v1.8h \n"
"scvtf v2.4s, v2.4s \n" // 8 floats
"scvtf v1.4s, v1.4s \n"
"fmul v2.4s, v2.4s, %3.s[0] \n" // adjust exponent
"fmul v1.4s, v1.4s, %3.s[0] \n"
"uqshrn v4.4h, v2.4s, #13 \n" // isolate halffloat
"uqshrn2 v4.8h, v1.4s, #13 \n"
MEMACCESS(1)
"st1 {v4.16b}, [%1], #16 \n" // store 8 shorts
"b.gt 1b \n"
: "+r"(src), // %0
"+r"(dst), // %1
"+r"(width) // %2
: "w"(scale * 1.9259299444e-34f) // %3
: "cc", "memory", "v1", "v2", "v4"
);
}
void HalfFloatRow_NEON(const uint16* src, uint16* dst, float scale, int width) {
asm volatile (
"1: \n"