Annotation of /trunk/ffmpeg/patches/ffmpeg-20060904-gcc41.patch
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Revision 144 -
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Tue May 8 20:06:05 2007 UTC (17 years, 1 month ago) by niro
File size: 1667 byte(s)
Tue May 8 20:06:05 2007 UTC (17 years, 1 month ago) by niro
File size: 1667 byte(s)
-import
| 1 | niro | 144 | --- ffmpeg.orig/libavcodec/i386/dsputil_mmx.c 2006-03-04 07:50:27.000000000 +0100 |
| 2 | +++ ffmpeg/libavcodec/i386/dsputil_mmx.c 2006-03-04 07:49:04.000000000 +0100 | ||
| 3 | @@ -619,10 +619,22 @@ | ||
| 4 | |||
| 5 | static inline void transpose4x4(uint8_t *dst, uint8_t *src, int dst_stride, int src_stride){ | ||
| 6 | asm volatile( //FIXME could save 1 instruction if done as 8x4 ... | ||
| 7 | - "movd %4, %%mm0 \n\t" | ||
| 8 | - "movd %5, %%mm1 \n\t" | ||
| 9 | - "movd %6, %%mm2 \n\t" | ||
| 10 | - "movd %7, %%mm3 \n\t" | ||
| 11 | + "movd %0, %%mm0 \n\t" | ||
| 12 | + "movd %1, %%mm1 \n\t" | ||
| 13 | + "movd %2, %%mm2 \n\t" | ||
| 14 | + | ||
| 15 | + : | ||
| 16 | + : "m" (*(uint32_t*)(src + 0*src_stride)), | ||
| 17 | + "m" (*(uint32_t*)(src + 1*src_stride)), | ||
| 18 | + "m" (*(uint32_t*)(src + 2*src_stride)) | ||
| 19 | + ); | ||
| 20 | + asm volatile( //FIXME could save 1 instruction if done as 8x4 ... | ||
| 21 | + "movd %0, %%mm3 \n\t" | ||
| 22 | + | ||
| 23 | + : | ||
| 24 | + : "m" (*(uint32_t*)(src + 3*src_stride)) | ||
| 25 | + ); | ||
| 26 | + asm volatile( //FIXME could save 1 instruction if done as 8x4 ... | ||
| 27 | "punpcklbw %%mm1, %%mm0 \n\t" | ||
| 28 | "punpcklbw %%mm3, %%mm2 \n\t" | ||
| 29 | "movq %%mm0, %%mm1 \n\t" | ||
| 30 | @@ -639,10 +651,6 @@ | ||
| 31 | "=m" (*(uint32_t*)(dst + 1*dst_stride)), | ||
| 32 | "=m" (*(uint32_t*)(dst + 2*dst_stride)), | ||
| 33 | "=m" (*(uint32_t*)(dst + 3*dst_stride)) | ||
| 34 | - : "m" (*(uint32_t*)(src + 0*src_stride)), | ||
| 35 | - "m" (*(uint32_t*)(src + 1*src_stride)), | ||
| 36 | - "m" (*(uint32_t*)(src + 2*src_stride)), | ||
| 37 | - "m" (*(uint32_t*)(src + 3*src_stride)) | ||
| 38 | ); | ||
| 39 | } | ||
| 40 |