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Diffstat (limited to 'thirdparty/libtheora/x86/mmxfrag.h')
-rw-r--r--thirdparty/libtheora/x86/mmxfrag.h64
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