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read 32bit instead of 64bit to avoid overreading and missalignments

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Originally committed as revision 4133 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2005-04-17 13:30:45 +00:00
parent 8c2515bbb9
commit 4e492bf107
1 changed files with 8 additions and 4 deletions
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12
libavcodec/i386/dsputil_mmx_avg.h
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@ -70,9 +70,11 @@ static void DEF(put_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int
"movd (%1), %%mm0 \n\t"
"add %4, %1 \n\t"
"movd (%1), %%mm1 \n\t"
"movd (%2), %%mm2 \n\t"
"movd 4(%2), %%mm3 \n\t"
"add %4, %1 \n\t"
PAVGB" (%2), %%mm0 \n\t"
PAVGB" 4(%2), %%mm1 \n\t"
PAVGB" %%mm2, %%mm0 \n\t"
PAVGB" %%mm3, %%mm1 \n\t"
"movd %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"movd %%mm1, (%3) \n\t"
@ -80,9 +82,11 @@ static void DEF(put_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int
"movd (%1), %%mm0 \n\t"
"add %4, %1 \n\t"
"movd (%1), %%mm1 \n\t"
"movd 8(%2), %%mm2 \n\t"
"movd 12(%2), %%mm3 \n\t"
"add %4, %1 \n\t"
PAVGB" 8(%2), %%mm0 \n\t"
PAVGB" 12(%2), %%mm1 \n\t"
PAVGB" %%mm2, %%mm0 \n\t"
PAVGB" %%mm3, %%mm1 \n\t"
"movd %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"movd %%mm1, (%3) \n\t"