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On Neon remove aligned SplitUVRow

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BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/930020

git-svn-id: http://libyuv.googlecode.com/svn/trunk@493 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2012-11-16 02:51:31 +00:00
parent cb5262dbc5
commit 4a86a836fc
9 changed files with 14 additions and 77 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 492
Version: 493
License: BSD
License File: LICENSE

4
include/libyuv/row.h
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@ -524,8 +524,6 @@ void SplitUVRow_Unaligned_SSE2(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
int pix);
void SplitUVRow_Unaligned_AVX2(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
int pix);
void SplitUVRow_Unaligned_NEON(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
int pix);
void SplitUVRow_Unaligned_MIPS_DSPR2(const uint8* src_uv, uint8* dst_u,
uint8* dst_v, int pix);
void SplitUVRow_Any_SSE2(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
@ -549,8 +547,6 @@ void MergeUVRow_Unaligned_SSE2(const uint8* src_u, const uint8* src_v,
uint8* dst_uv, int width);
void MergeUVRow_Unaligned_AVX2(const uint8* src_u, const uint8* src_v,
uint8* dst_uv, int width);
void MergeUVRow_Unaligned_NEON(const uint8* src_u, const uint8* src_v,
uint8* dst_uv, int width);
void MergeUVRow_Any_SSE2(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
int width);
void MergeUVRow_Any_AVX2(const uint8* src_u, const uint8* src_v, uint8* dst_uv,

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 492
#define LIBYUV_VERSION 493
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

5
source/convert.cc
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@ -397,14 +397,9 @@ static int X420ToI420(const uint8* src_y,
if (TestCpuFlag(kCpuHasNEON) && halfwidth >= 16) {
SplitUVRow = SplitUVRow_Any_NEON;
if (IS_ALIGNED(halfwidth, 16)) {
SplitUVRow = SplitUVRow_Unaligned_NEON;
if (IS_ALIGNED(src_uv, 16) && IS_ALIGNED(src_stride_uv, 16) &&
IS_ALIGNED(dst_u, 16) && IS_ALIGNED(dst_stride_u, 16) &&
IS_ALIGNED(dst_v, 16) && IS_ALIGNED(dst_stride_v, 16)) {
SplitUVRow = SplitUVRow_NEON;
}
}
}
#endif
#if defined(HAS_SPLITUVROW_MIPS_DSPR2)
if (TestCpuFlag(kCpuHasMIPS_DSPR2) && halfwidth >= 16) {

5
source/convert_from.cc
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@ -551,14 +551,9 @@ int I420ToNV12(const uint8* src_y, int src_stride_y,
if (TestCpuFlag(kCpuHasNEON) && halfwidth >= 16) {
MergeUVRow_ = MergeUVRow_Any_NEON;
if (IS_ALIGNED(halfwidth, 16)) {
MergeUVRow_ = MergeUVRow_Unaligned_NEON;
if (IS_ALIGNED(src_u, 16) && IS_ALIGNED(src_stride_u, 16) &&
IS_ALIGNED(src_v, 16) && IS_ALIGNED(src_stride_v, 16) &&
IS_ALIGNED(dst_uv, 16) && IS_ALIGNED(dst_stride_uv, 16)) {
MergeUVRow_ = MergeUVRow_NEON;
}
}
}
#endif
CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);

6
source/convert_from_argb.cc
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@ -276,12 +276,9 @@ int ARGBToNV12(const uint8* src_argb, int src_stride_argb,
if (TestCpuFlag(kCpuHasNEON) && halfwidth >= 16) {
MergeUVRow_ = MergeUVRow_Any_NEON;
if (IS_ALIGNED(halfwidth, 16)) {
MergeUVRow_ = MergeUVRow_Unaligned_NEON;
if (IS_ALIGNED(dst_uv, 16) && IS_ALIGNED(dst_stride_uv, 16)) {
MergeUVRow_ = MergeUVRow_NEON;
}
}
}
#endif
SIMD_ALIGNED(uint8 row_u[kMaxStride / 2]);
@ -385,12 +382,9 @@ int ARGBToNV21(const uint8* src_argb, int src_stride_argb,
if (TestCpuFlag(kCpuHasNEON) && halfwidth >= 16) {
MergeUVRow_ = MergeUVRow_Any_NEON;
if (IS_ALIGNED(halfwidth, 16)) {
MergeUVRow_ = MergeUVRow_Unaligned_NEON;
if (IS_ALIGNED(dst_uv, 16) && IS_ALIGNED(dst_stride_uv, 16)) {
MergeUVRow_ = MergeUVRow_NEON;
}
}
}
#endif
SIMD_ALIGNED(uint8 row_u[kMaxStride / 2]);

4
source/row_any.cc
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@ -312,7 +312,7 @@ SplitUVRowANY(SplitUVRow_Any_SSE2, SplitUVRow_Unaligned_SSE2, SplitUVRow_C, 15)
SplitUVRowANY(SplitUVRow_Any_AVX2, SplitUVRow_Unaligned_AVX2, SplitUVRow_C, 31)
#endif
#ifdef HAS_SPLITUVROW_NEON
SplitUVRowANY(SplitUVRow_Any_NEON, SplitUVRow_Unaligned_NEON, SplitUVRow_C, 15)
SplitUVRowANY(SplitUVRow_Any_NEON, SplitUVRow_NEON, SplitUVRow_C, 15)
#endif
#ifdef HAS_SPLITUVROW_MIPS_DSPR2
SplitUVRowANY(SplitUVRow_Any_MIPS_DSPR2, SplitUVRow_Unaligned_MIPS_DSPR2,
@ -338,7 +338,7 @@ MergeUVRow_ANY(MergeUVRow_Any_SSE2, MergeUVRow_Unaligned_SSE2, MergeUVRow_C, 15)
MergeUVRow_ANY(MergeUVRow_Any_AVX2, MergeUVRow_Unaligned_AVX2, MergeUVRow_C, 31)
#endif
#ifdef HAS_MERGEUVROW_NEON
MergeUVRow_ANY(MergeUVRow_Any_NEON, MergeUVRow_Unaligned_NEON, MergeUVRow_C, 15)
MergeUVRow_ANY(MergeUVRow_Any_NEON, MergeUVRow_NEON, MergeUVRow_C, 15)
#endif
#undef MergeUVRow_ANY

46
source/row_neon.cc
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@ -748,33 +748,11 @@ void UYVYToARGBRow_NEON(const uint8* src_uyvy,
#endif // HAS_UYVYTOARGBROW_NEON
#ifdef HAS_SPLITUVROW_NEON
// Reads 16 pairs of UV and write even values to dst_u and odd to dst_v
// Alignment requirement: 16 bytes for pointers, and multiple of 16 pixels.
// Reads 16 pairs of UV and write even values to dst_u and odd to dst_v.
void SplitUVRow_NEON(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
int width) {
asm volatile (
".p2align 2 \n"
"1: \n"
"vld2.u8 {q0, q1}, [%0:128]! \n" // load 16 pairs of UV
"subs %3, %3, #16 \n" // 16 processed per loop
"vst1.u8 {q0}, [%1:128]! \n" // store U
"vst1.u8 {q1}, [%2:128]! \n" // store V
"bgt 1b \n"
: "+r"(src_uv), // %0
"+r"(dst_u), // %1
"+r"(dst_v), // %2
"+r"(width) // %3 // Output registers
: // Input registers
: "memory", "cc", "q0", "q1" // Clobber List
);
}
// Reads 16 pairs of UV and write even values to dst_u and odd to dst_v
// Alignment requirement: Multiple of 16 pixels, pointers unaligned.
void SplitUVRow_Unaligned_NEON(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
int width) {
asm volatile (
".p2align 2 \n"
"1: \n"
"vld2.u8 {q0, q1}, [%0]! \n" // load 16 pairs of UV
"subs %3, %3, #16 \n" // 16 processed per loop
@ -793,32 +771,10 @@ void SplitUVRow_Unaligned_NEON(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
#ifdef HAS_MERGEUVROW_NEON
// Reads 16 U's and V's and writes out 16 pairs of UV.
// Alignment requirement: 16 bytes for pointers, and multiple of 16 pixels.
void MergeUVRow_NEON(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
int width) {
asm volatile (
".p2align 2 \n"
"1: \n"
"vld1.u8 {q0}, [%0:128]! \n" // load U
"vld1.u8 {q1}, [%1:128]! \n" // load V
"subs %3, %3, #16 \n" // 16 processed per loop
"vst2.u8 {q0, q1}, [%2:128]! \n" // store 16 pairs of UV
"bgt 1b \n"
:
"+r"(src_u), // %0
"+r"(src_v), // %1
"+r"(dst_uv), // %2
"+r"(width) // %3 // Output registers
: // Input registers
: "memory", "cc", "q0", "q1" // Clobber List
);
}
// Reads 16 U's and V's and writes out 16 pairs of UV.
void MergeUVRow_Unaligned_NEON(const uint8* src_u, const uint8* src_v,
uint8* dst_uv, int width) {
asm volatile (
".p2align 2 \n"
"1: \n"
"vld1.u8 {q0}, [%0]! \n" // load U
"vld1.u8 {q1}, [%1]! \n" // load V

3
source/scale_argb.cc
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@ -1017,7 +1017,8 @@ static void ScaleARGBSimple(int src_width, int src_height,
int x = (dx >= 65536) ? ((dx >> 1) - 32768) : (dx >> 1);
int y = (dy >= 65536) ? ((dy >> 1) - 32768) : (dy >> 1);
for (int i = 0; i < dst_height; ++i) {
ScaleARGBCols(dst_argb, src_argb + (y >> 16) * src_stride, dst_width, x, dx);
ScaleARGBCols(dst_argb, src_argb + (y >> 16) * src_stride, dst_width, x,
dx);
dst_argb += dst_stride;
y += dy;
}