41 lines
1.6 KiB
Diff
41 lines
1.6 KiB
Diff
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--- ffmpeg.orig/libavcodec/i386/dsputil_mmx.c 2006-03-04 07:50:27.000000000 +0100
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+++ ffmpeg/libavcodec/i386/dsputil_mmx.c 2006-03-04 07:49:04.000000000 +0100
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@@ -619,10 +619,22 @@
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static inline void transpose4x4(uint8_t *dst, uint8_t *src, int dst_stride, int src_stride){
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asm volatile( //FIXME could save 1 instruction if done as 8x4 ...
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- "movd %4, %%mm0 \n\t"
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- "movd %5, %%mm1 \n\t"
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- "movd %6, %%mm2 \n\t"
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- "movd %7, %%mm3 \n\t"
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+ "movd %0, %%mm0 \n\t"
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+ "movd %1, %%mm1 \n\t"
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+ "movd %2, %%mm2 \n\t"
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+
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+ :
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+ : "m" (*(uint32_t*)(src + 0*src_stride)),
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+ "m" (*(uint32_t*)(src + 1*src_stride)),
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+ "m" (*(uint32_t*)(src + 2*src_stride))
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+ );
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+ asm volatile( //FIXME could save 1 instruction if done as 8x4 ...
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+ "movd %0, %%mm3 \n\t"
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+
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+ :
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+ : "m" (*(uint32_t*)(src + 3*src_stride))
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+ );
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+ asm volatile( //FIXME could save 1 instruction if done as 8x4 ...
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"punpcklbw %%mm1, %%mm0 \n\t"
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"punpcklbw %%mm3, %%mm2 \n\t"
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"movq %%mm0, %%mm1 \n\t"
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@@ -639,10 +651,6 @@
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"=m" (*(uint32_t*)(dst + 1*dst_stride)),
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"=m" (*(uint32_t*)(dst + 2*dst_stride)),
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"=m" (*(uint32_t*)(dst + 3*dst_stride))
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- : "m" (*(uint32_t*)(src + 0*src_stride)),
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- "m" (*(uint32_t*)(src + 1*src_stride)),
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- "m" (*(uint32_t*)(src + 2*src_stride)),
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- "m" (*(uint32_t*)(src + 3*src_stride))
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);
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}
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