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tring to workaround gcc 2.95 bug which causes random failures

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Originally committed as revision 11003 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-11-12 02:04:01 +00:00
parent e1a794b272
commit 02d361919a
1 changed files with 2 additions and 1 deletions
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3
libavcodec/i386/dsputil_mmx.c
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@ -1534,10 +1534,11 @@ static void sub_hfyu_median_prediction_mmx2(uint8_t *dst, uint8_t *src1, uint8_t
"mov"#m1" "#mm"0, %0 \n\t"\
DIFF_PIXELS_1(m0, mm##7, mm##0, (%1,%3,4), (%2,%3,4))\
"mov"#m1" %0, "#mm"0 \n\t"\
: "=m"(temp), "+r"(p1b), "+r"(p2b)\
: "+m"(temp), "+r"(p1b), "+r"(p2b)\
: "r"((long)stride), "r"((long)stride*3)\
);\
}
//the "+m"(temp) is needed as gcc 2.95 sometimes fails to compile "=m"(temp)
#define DIFF_PIXELS_4x8(p1,p2,stride,temp) DIFF_PIXELS_8(d, q, %%mm, p1, p2, stride, temp)
#define DIFF_PIXELS_8x8(p1,p2,stride,temp) DIFF_PIXELS_8(q, dqa, %%xmm, p1, p2, stride, temp)