Mercurial > sdl-ios-xcode
changeset 1049:b4117292e587
Mixer: Visual C MMX asm code now aligns loops to 16 bytes.
This patch came from Stephane Marchesin's codefork, but I don't know who
wrote it originally.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Sun, 17 Apr 2005 10:27:00 +0000 |
| parents | a78acdd4967e |
| children | 8e1815fd9777 |
| files | src/audio/SDL_mixer_MMX_VC.c |
| diffstat | 1 files changed, 2 insertions(+), 2 deletions(-) [+] |
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--- a/src/audio/SDL_mixer_MMX_VC.c Sun Apr 17 10:23:58 2005 +0000 +++ b/src/audio/SDL_mixer_MMX_VC.c Sun Apr 17 10:27:00 2005 +0000 @@ -19,7 +19,6 @@ { __asm { - align 16 push edi push esi @@ -42,6 +41,7 @@ psllq mm0, 16 //$16,%%mm0 por mm0, mm1 //%%mm1,%%mm0 // mm0 = vol|vol|vol|vol + align 16 mixloopS16: movq mm1, [esi] //(%%esi),%%mm1\n" // mm1 = a|b|c|d movq mm2, mm1 //%%mm1,%%mm2\n" // mm2 = a|b|c|d @@ -98,7 +98,6 @@ { _asm { - align 16 push edi push esi @@ -122,6 +121,7 @@ cmp ebx, 0 //$0,%%ebx je endS8 + align 16 mixloopS8: pxor mm2, mm2 //%%mm2,%%mm2 // mm2 = 0 movq mm1, [esi] //(%%esi),%%mm1 // mm1 = a|b|c|d|e|f|g|h