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read 32bit instead of 64bit to avoid overreading and missalignments
Originally committed as revision 4133 to svn://svn.ffmpeg.org/ffmpeg/trunktags/v0.5
Michael Niedermayer
21 years ago
1 changed files with 8 additions and 4 deletions
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+ 8
- 4
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" | "movd (%1), %%mm0 \n\t" | ||||
| "add %4, %1 \n\t" | "add %4, %1 \n\t" | ||||
| "movd (%1), %%mm1 \n\t" | "movd (%1), %%mm1 \n\t" | ||||
| "movd (%2), %%mm2 \n\t" | |||||
| "movd 4(%2), %%mm3 \n\t" | |||||
| "add %4, %1 \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" | "movd %%mm0, (%3) \n\t" | ||||
| "add %5, %3 \n\t" | "add %5, %3 \n\t" | ||||
| "movd %%mm1, (%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" | "movd (%1), %%mm0 \n\t" | ||||
| "add %4, %1 \n\t" | "add %4, %1 \n\t" | ||||
| "movd (%1), %%mm1 \n\t" | "movd (%1), %%mm1 \n\t" | ||||
| "movd 8(%2), %%mm2 \n\t" | |||||
| "movd 12(%2), %%mm3 \n\t" | |||||
| "add %4, %1 \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" | "movd %%mm0, (%3) \n\t" | ||||
| "add %5, %3 \n\t" | "add %5, %3 \n\t" | ||||
| "movd %%mm1, (%3) \n\t" | "movd %%mm1, (%3) \n\t" | ||||