coffee/libyuv
1
0
Fork 0
mirror of https://chromium.googlesource.com/libyuv/libyuv synced 2025-12-08 01:36:47 +08:00
Code Issues Packages Projects Releases Wiki Activity

Mirror_AVX2 ported to GCC.

Browse Source 
BUG=269
TESTED=try bots
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/32079004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1164 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2014-11-13 23:11:10 +00:00
parent 91000425a3
commit 35508d0979
3 changed files with 35 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/libyuv/row.h
View File

@ -199,6 +199,7 @@ extern "C" {
#define HAS_UYVYTOUVROW_AVX2
#define HAS_SPLITUVROW_AVX2
#define HAS_MERGEUVROW_AVX2
#define HAS_MIRRORROW_AVX2
// Effects:
#define HAS_ARGBADDROW_AVX2
@ -206,6 +207,7 @@ extern "C" {
#define HAS_ARGBMULTIPLYROW_AVX2
#define HAS_ARGBATTENUATEROW_AVX2
#define HAS_ARGBUNATTENUATEROW_AVX2
#define HAS_ARGBMIRRORROW_AVX2
#endif
// The following are require VS2012.
@ -218,8 +220,6 @@ extern "C" {
#define HAS_I422TORGBAROW_AVX2
#define HAS_I422TOABGRROW_AVX2
#define HAS_INTERPOLATEROW_AVX2
#define HAS_MIRRORROW_AVX2
#define HAS_ARGBMIRRORROW_AVX2
#endif // defined(VISUALC_HAS_AVX2)
// The following are Yasm x86 only:

31
source/row_posix.cc
View File

@ -2207,6 +2207,37 @@ void MirrorRow_SSSE3(const uint8* src, uint8* dst, int width) {
}
#endif // HAS_MIRRORROW_SSSE3
#ifdef HAS_MIRRORROW_AVX2
void MirrorRow_AVX2(const uint8* src, uint8* dst, int width) {
intptr_t temp_width = (intptr_t)(width);
asm volatile (
"vbroadcastf128 %3,%%ymm5 \n"
"lea " MEMLEA(-0x20,0) ",%0 \n"
LABELALIGN
"1: \n"
MEMOPREG(vmovdqu,0x00,0,2,1,ymm0) // vmovdqu (%0,%2),%%ymm0
"vpshufb %%ymm5,%%ymm0,%%ymm0 \n"
"vpermq $0x4e,%%ymm0,%%ymm0 \n"
"sub $0x20,%2 \n"
"vmovdqu %%ymm0," MEMACCESS(1) " \n"
"lea " MEMLEA(0x20,1) ",%1 \n"
"jg 1b \n"
"vzeroupper \n"
: "+r"(src), // %0
"+r"(dst), // %1
"+r"(temp_width) // %2
: "m"(kShuffleMirror) // %3
: "memory", "cc"
#if defined(__native_client__) && defined(__x86_64__)
, "r14"
#endif
#if defined(__SSE2__)
, "xmm0", "xmm5"
#endif
);
}
#endif // HAS_MIRRORROW_AVX2
#ifdef HAS_MIRRORROW_SSE2
void MirrorRow_SSE2(const uint8* src, uint8* dst, int width) {
intptr_t temp_width = (intptr_t)(width);

8
source/row_win.cc
View File

@ -2398,6 +2398,7 @@ static const uvec8 kShuffleMirror = {
15u, 14u, 13u, 12u, 11u, 10u, 9u, 8u, 7u, 6u, 5u, 4u, 3u, 2u, 1u, 0u
};
// TODO(fbarchard): Replace lea with -16 offset.
__declspec(naked) __declspec(align(16))
void MirrorRow_SSSE3(const uint8* src, uint8* dst, int width) {
__asm {
@ -2421,18 +2422,13 @@ void MirrorRow_SSSE3(const uint8* src, uint8* dst, int width) {
#endif // HAS_MIRRORROW_SSSE3
#ifdef HAS_MIRRORROW_AVX2
// Shuffle table for reversing the bytes.
static const uvec8 kShuffleMirror_AVX2 = {
15u, 14u, 13u, 12u, 11u, 10u, 9u, 8u, 7u, 6u, 5u, 4u, 3u, 2u, 1u, 0u
};
__declspec(naked) __declspec(align(16))
void MirrorRow_AVX2(const uint8* src, uint8* dst, int width) {
__asm {
mov eax, [esp + 4] // src
mov edx, [esp + 8] // dst
mov ecx, [esp + 12] // width
vbroadcastf128 ymm5, kShuffleMirror_AVX2
vbroadcastf128 ymm5, kShuffleMirror
lea eax, [eax - 32]
align 4