virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-15 14:13:16 +02:00
Code Issues Releases Activity

Use constant offsets for memory operands since gcc is unable to

Browse Source 
This fixes gcc failing to fit 6 memory locations into 7 registers on x86-32

Originally committed as revision 21337 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad
2010-01-20 00:34:10 +00:00
parent 613f2dc4ae
commit c4f2b6dce3
1 changed files with 8 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
libavcodec/x86/h264dsp_mmx.c
View File

@@ -834,9 +834,9 @@ static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40]
"por %%mm1, %%mm0 \n\t" "por %%mm1, %%mm0 \n\t"
"movq %2, %%mm1 \n\t" "movq %2, %%mm1 \n\t"
"movq %3, %%mm2 \n\t" "movq 8+1*%2, %%mm2 \n\t"
"psubw %4, %%mm1 \n\t" "psubw %3, %%mm1 \n\t"
"psubw %5, %%mm2 \n\t" "psubw 8+1*%3, %%mm2 \n\t"
"packsswb %%mm2, %%mm1 \n\t" "packsswb %%mm2, %%mm1 \n\t"
"paddb %%mm5, %%mm1 \n\t" "paddb %%mm5, %%mm1 \n\t"
"pminub %%mm4, %%mm1 \n\t" "pminub %%mm4, %%mm1 \n\t"
@@ -845,9 +845,7 @@ static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40]
::"m"(ref[l][b_idx]), ::"m"(ref[l][b_idx]),
"m"(ref[l][b_idx+d_idx]), "m"(ref[l][b_idx+d_idx]),
"m"(mv[l][b_idx][0]), "m"(mv[l][b_idx][0]),
"m"(mv[l][b_idx+2][0]), "m"(mv[l][b_idx+d_idx][0])
"m"(mv[l][b_idx+d_idx][0]),
"m"(mv[l][b_idx+d_idx+2][0])
); );
} }
if(bidir==1){ if(bidir==1){
@@ -863,9 +861,9 @@ static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40]
"por %%mm1, %%mm3 \n\t" "por %%mm1, %%mm3 \n\t"
"movq %2, %%mm1 \n\t" "movq %2, %%mm1 \n\t"
"movq %3, %%mm2 \n\t" "movq 8+1*%2, %%mm2 \n\t"
"psubw %4, %%mm1 \n\t" "psubw %3, %%mm1 \n\t"
"psubw %5, %%mm2 \n\t" "psubw 8+1*%3, %%mm2 \n\t"
"packsswb %%mm2, %%mm1 \n\t" "packsswb %%mm2, %%mm1 \n\t"
"paddb %%mm5, %%mm1 \n\t" "paddb %%mm5, %%mm1 \n\t"
"pminub %%mm4, %%mm1 \n\t" "pminub %%mm4, %%mm1 \n\t"
@@ -874,9 +872,7 @@ static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40]
::"m"(ref[l][b_idx]), ::"m"(ref[l][b_idx]),
"m"(ref[1-l][b_idx+d_idx]), "m"(ref[1-l][b_idx+d_idx]),
"m"(mv[l][b_idx][0]), "m"(mv[l][b_idx][0]),
"m"(mv[l][b_idx+2][0]), "m"(mv[1-l][b_idx+d_idx][0])
"m"(mv[1-l][b_idx+d_idx][0]),
"m"(mv[1-l][b_idx+d_idx+2][0])
); );
} }
__asm__ volatile( __asm__ volatile(