зеркало из https://github.com/mozilla/gecko-dev.git
98 строки
3.6 KiB
Diff
98 строки
3.6 KiB
Diff
Index: lib/dec/x86_vc/mmxfrag.c
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===================================================================
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--- lib/dec/x86_vc/mmxfrag.c (revision 16142)
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+++ lib/dec/x86_vc/mmxfrag.c (working copy)
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@@ -27,12 +27,14 @@
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void oc_frag_recon_intra_mmx(unsigned char *_dst,int _dst_ystride,
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const ogg_int16_t *_residue){
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+ int _save_ebx;
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/* ---------------------------------------------------------------------
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This function does the inter reconstruction step with 8 iterations
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unrolled. The iteration for each instruction is noted by the #id in the
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comments (in case you want to reconstruct it)
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--------------------------------------------------------------------- */
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_asm{
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+ mov [_save_ebx], ebx
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mov edi, [_residue] /* load residue ptr */
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mov eax, 0x00800080 /* generate constant */
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mov ebx, [_dst_ystride] /* load dst-stride */
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@@ -93,6 +95,7 @@
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packuswb mm3, mm4 /* #8 pack to byte */
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movq [edx + ecx*2], mm1 /* #7 write row */
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movq [edx + eax], mm3 /* #8 write row */
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+ mov ebx, [_save_ebx]
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}
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}
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@@ -100,6 +103,7 @@
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void oc_frag_recon_inter_mmx (unsigned char *_dst, int _dst_ystride,
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const unsigned char *_src, int _src_ystride, const ogg_int16_t *_residue){
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+ int _save_ebx;
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/* ---------------------------------------------------------------------
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This function does the inter reconstruction step with two iterations
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running in parallel to hide some load-latencies and break the dependency
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@@ -107,6 +111,7 @@
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comments (in case you want to reconstruct it)
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--------------------------------------------------------------------- */
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_asm{
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+ mov [_save_ebx], ebx
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pxor mm0, mm0 /* generate constant 0 */
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mov esi, [_src]
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mov edi, [_residue]
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@@ -143,6 +148,7 @@
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movq [edx + ebx], mm7 /* #2 write row */
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lea edx, [edx+ebx*2] /* dst += stride * 2 */
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jne nextchunk
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+ mov ebx, [_save_ebx]
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}
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}
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@@ -150,6 +156,7 @@
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void oc_frag_recon_inter2_mmx(unsigned char *_dst, int _dst_ystride,
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const unsigned char *_src1, int _src1_ystride, const unsigned char *_src2,
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int _src2_ystride,const ogg_int16_t *_residue){
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+ int _save_ebx;
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/* ---------------------------------------------------------------------
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This function does the inter2 reconstruction step.The building of the
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average is done with a bit-twiddeling trick to avoid excessive register
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@@ -166,6 +173,7 @@
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using the pavgb instruction let me know and I'll do the 3dnow codepath.
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--------------------------------------------------------------------- */
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_asm{
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+ mov [_save_ebx], ebx
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mov eax, 0xfefefefe
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mov esi, [_src1]
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mov edi, [_src2]
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@@ -204,6 +212,7 @@
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packuswb mm2, mm3 /* pack and saturate */
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movq [edx], mm2 /* write row */
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jne nextrow
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+ mov ebx, [_save_ebx]
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}
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}
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Index: lib/dec/x86_vc/mmxloopfilter.c
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===================================================================
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--- lib/dec/x86_vc/mmxloopfilter.c (revision 16142)
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+++ lib/dec/x86_vc/mmxloopfilter.c (working copy)
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@@ -38,7 +38,7 @@
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_asm {
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mov eax, [_pix]
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mov edx, [_ystride]
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- mov ebx, [_ll]
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+ mov ecx, [_ll]
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/* _pix -= ystride */
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sub eax, edx
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@@ -104,7 +104,7 @@
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/*Free up mm5.*/
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packuswb mm4, mm5
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/*mm0=L L L L*/
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- movq mm0, [ebx]
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+ movq mm0, [ecx]
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/*if(R_i<-2L||R_i>2L)R_i=0:*/
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movq mm5, mm2
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pxor mm6, mm6
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