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    Contents of /trunk/ffmpeg/patches/ffmpeg-20060904-gcc41.patch

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    Revision 144 - (show annotations) (download)
    Tue May 8 20:06:05 2007 UTC (17 years ago) by niro
    File size: 1667 byte(s) 
    -import
    1 --- 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