diff options
Diffstat (limited to 'thirdparty/libtheora/x86/mmxfrag.h')
-rw-r--r-- | thirdparty/libtheora/x86/mmxfrag.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/thirdparty/libtheora/x86/mmxfrag.h b/thirdparty/libtheora/x86/mmxfrag.h new file mode 100644 index 0000000000..a398427629 --- /dev/null +++ b/thirdparty/libtheora/x86/mmxfrag.h @@ -0,0 +1,64 @@ +#if !defined(_x86_mmxfrag_H) +# define _x86_mmxfrag_H (1) +# include <stddef.h> +# include "x86int.h" + +#if defined(OC_X86_ASM) + +/*Copies an 8x8 block of pixels from _src to _dst, assuming _ystride bytes + between rows.*/ +#define OC_FRAG_COPY_MMX(_dst,_src,_ystride) \ + do{ \ + const unsigned char *src; \ + unsigned char *dst; \ + ptrdiff_t ystride3; \ + src=(_src); \ + dst=(_dst); \ + __asm__ __volatile__( \ + /*src+0*ystride*/ \ + "movq (%[src]),%%mm0\n\t" \ + /*src+1*ystride*/ \ + "movq (%[src],%[ystride]),%%mm1\n\t" \ + /*ystride3=ystride*3*/ \ + "lea (%[ystride],%[ystride],2),%[ystride3]\n\t" \ + /*src+2*ystride*/ \ + "movq (%[src],%[ystride],2),%%mm2\n\t" \ + /*src+3*ystride*/ \ + "movq (%[src],%[ystride3]),%%mm3\n\t" \ + /*dst+0*ystride*/ \ + "movq %%mm0,(%[dst])\n\t" \ + /*dst+1*ystride*/ \ + "movq %%mm1,(%[dst],%[ystride])\n\t" \ + /*Pointer to next 4.*/ \ + "lea (%[src],%[ystride],4),%[src]\n\t" \ + /*dst+2*ystride*/ \ + "movq %%mm2,(%[dst],%[ystride],2)\n\t" \ + /*dst+3*ystride*/ \ + "movq %%mm3,(%[dst],%[ystride3])\n\t" \ + /*Pointer to next 4.*/ \ + "lea (%[dst],%[ystride],4),%[dst]\n\t" \ + /*src+0*ystride*/ \ + "movq (%[src]),%%mm0\n\t" \ + /*src+1*ystride*/ \ + "movq (%[src],%[ystride]),%%mm1\n\t" \ + /*src+2*ystride*/ \ + "movq (%[src],%[ystride],2),%%mm2\n\t" \ + /*src+3*ystride*/ \ + "movq (%[src],%[ystride3]),%%mm3\n\t" \ + /*dst+0*ystride*/ \ + "movq %%mm0,(%[dst])\n\t" \ + /*dst+1*ystride*/ \ + "movq %%mm1,(%[dst],%[ystride])\n\t" \ + /*dst+2*ystride*/ \ + "movq %%mm2,(%[dst],%[ystride],2)\n\t" \ + /*dst+3*ystride*/ \ + "movq %%mm3,(%[dst],%[ystride3])\n\t" \ + :[dst]"+r"(dst),[src]"+r"(src),[ystride3]"=&r"(ystride3) \ + :[ystride]"r"((ptrdiff_t)(_ystride)) \ + :"memory" \ + ); \ + } \ + while(0) + +# endif +#endif |