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munged addressing for copyrows

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BUG=none
TEST=none
Review URL: http://webrtc-codereview.appspot.com/333001

git-svn-id: http://libyuv.googlecode.com/svn/trunk@109 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2011-12-15 21:49:03 +00:00
parent e7ae4e1062
commit 2f11976b88
2 changed files with 8 additions and 8 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: 108
Version: 109
License: BSD
License File: LICENSE

14
source/planar_functions.cc
View File

@ -134,19 +134,19 @@ static void SplitUV_C(const uint8* src_uv,
#if defined(_M_IX86) && !defined(YUV_DISABLE_ASM)
#define HAS_COPYROW_SSE2
__declspec(naked)
void CopyRow_SSE2(const uint8* src, uint8* dst, int count) {
__asm {
mov eax, [esp + 4] // src
mov edx, [esp + 8] // dst
mov ecx, [esp + 12] // count
sub edx, eax
convertloop:
movdqa xmm0, [eax]
movdqa xmm1, [eax + 16]
movdqa [eax + edx], xmm0
movdqa [eax + edx + 16], xmm1
lea eax, [eax + 32]
movdqa [edx], xmm0
movdqa [edx + 16], xmm1
lea edx, [edx + 32]
sub ecx, 32
ja convertloop
ret
@ -173,13 +173,13 @@ void CopyRow_X86(const uint8* src, uint8* dst, int count) {
#define HAS_COPYROW_SSE2
void CopyRow_SSE2(const uint8* src, uint8* dst, int count) {
asm volatile (
"sub %0,%1 \n"
"1: \n"
"movdqa (%0),%%xmm0 \n"
"movdqa 0x10(%0),%%xmm1 \n"
"movdqa %%xmm0,(%0,%1) \n"
"movdqa %%xmm1,0x10(%0,%1) \n"
"lea 0x20(%0),%0 \n"
"movdqa %%xmm0,(%1) \n"
"movdqa %%xmm1,0x10(%1) \n"
"lea 0x20(%1),%1 \n"
"sub $0x20,%2 \n"
"ja 1b \n"
: "+r"(src), // %0