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Diffstat (limited to 'Libraries/libtheora-1.1.1/lib/x86/mmxfrag.c')
-rw-r--r--Libraries/libtheora-1.1.1/lib/x86/mmxfrag.c293
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diff --git a/Libraries/libtheora-1.1.1/lib/x86/mmxfrag.c b/Libraries/libtheora-1.1.1/lib/x86/mmxfrag.c
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index 2c732939..00000000
--- a/Libraries/libtheora-1.1.1/lib/x86/mmxfrag.c
+++ /dev/null
@@ -1,293 +0,0 @@
-/********************************************************************
- * *
- * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
- * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
- * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
- * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
- * *
- * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
- * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
- * *
- ********************************************************************
-
- function:
- last mod: $Id: mmxfrag.c 16503 2009-08-22 18:14:02Z giles $
-
- ********************************************************************/
-
-/*MMX acceleration of fragment reconstruction for motion compensation.
- Originally written by Rudolf Marek.
- Additional optimization by Nils Pipenbrinck.
- Note: Loops are unrolled for best performance.
- The iteration each instruction belongs to is marked in the comments as #i.*/
-#include <stddef.h>
-#include "x86int.h"
-#include "mmxfrag.h"
-
-#if defined(OC_X86_ASM)
-
-/*Copies an 8x8 block of pixels from _src to _dst, assuming _ystride bytes
- between rows.*/
-void oc_frag_copy_mmx(unsigned char *_dst,
- const unsigned char *_src,int _ystride){
- OC_FRAG_COPY_MMX(_dst,_src,_ystride);
-}
-
-void oc_frag_recon_intra_mmx(unsigned char *_dst,int _ystride,
- const ogg_int16_t *_residue){
- __asm__ __volatile__(
- /*Set mm0 to 0xFFFFFFFFFFFFFFFF.*/
- "pcmpeqw %%mm0,%%mm0\n\t"
- /*#0 Load low residue.*/
- "movq 0*8(%[residue]),%%mm1\n\t"
- /*#0 Load high residue.*/
- "movq 1*8(%[residue]),%%mm2\n\t"
- /*Set mm0 to 0x8000800080008000.*/
- "psllw $15,%%mm0\n\t"
- /*#1 Load low residue.*/
- "movq 2*8(%[residue]),%%mm3\n\t"
- /*#1 Load high residue.*/
- "movq 3*8(%[residue]),%%mm4\n\t"
- /*Set mm0 to 0x0080008000800080.*/
- "psrlw $8,%%mm0\n\t"
- /*#2 Load low residue.*/
- "movq 4*8(%[residue]),%%mm5\n\t"
- /*#2 Load high residue.*/
- "movq 5*8(%[residue]),%%mm6\n\t"
- /*#0 Bias low residue.*/
- "paddsw %%mm0,%%mm1\n\t"
- /*#0 Bias high residue.*/
- "paddsw %%mm0,%%mm2\n\t"
- /*#0 Pack to byte.*/
- "packuswb %%mm2,%%mm1\n\t"
- /*#1 Bias low residue.*/
- "paddsw %%mm0,%%mm3\n\t"
- /*#1 Bias high residue.*/
- "paddsw %%mm0,%%mm4\n\t"
- /*#1 Pack to byte.*/
- "packuswb %%mm4,%%mm3\n\t"
- /*#2 Bias low residue.*/
- "paddsw %%mm0,%%mm5\n\t"
- /*#2 Bias high residue.*/
- "paddsw %%mm0,%%mm6\n\t"
- /*#2 Pack to byte.*/
- "packuswb %%mm6,%%mm5\n\t"
- /*#0 Write row.*/
- "movq %%mm1,(%[dst])\n\t"
- /*#1 Write row.*/
- "movq %%mm3,(%[dst],%[ystride])\n\t"
- /*#2 Write row.*/
- "movq %%mm5,(%[dst],%[ystride],2)\n\t"
- /*#3 Load low residue.*/
- "movq 6*8(%[residue]),%%mm1\n\t"
- /*#3 Load high residue.*/
- "movq 7*8(%[residue]),%%mm2\n\t"
- /*#4 Load high residue.*/
- "movq 8*8(%[residue]),%%mm3\n\t"
- /*#4 Load high residue.*/
- "movq 9*8(%[residue]),%%mm4\n\t"
- /*#5 Load high residue.*/
- "movq 10*8(%[residue]),%%mm5\n\t"
- /*#5 Load high residue.*/
- "movq 11*8(%[residue]),%%mm6\n\t"
- /*#3 Bias low residue.*/
- "paddsw %%mm0,%%mm1\n\t"
- /*#3 Bias high residue.*/
- "paddsw %%mm0,%%mm2\n\t"
- /*#3 Pack to byte.*/
- "packuswb %%mm2,%%mm1\n\t"
- /*#4 Bias low residue.*/
- "paddsw %%mm0,%%mm3\n\t"
- /*#4 Bias high residue.*/
- "paddsw %%mm0,%%mm4\n\t"
- /*#4 Pack to byte.*/
- "packuswb %%mm4,%%mm3\n\t"
- /*#5 Bias low residue.*/
- "paddsw %%mm0,%%mm5\n\t"
- /*#5 Bias high residue.*/
- "paddsw %%mm0,%%mm6\n\t"
- /*#5 Pack to byte.*/
- "packuswb %%mm6,%%mm5\n\t"
- /*#3 Write row.*/
- "movq %%mm1,(%[dst],%[ystride3])\n\t"
- /*#4 Write row.*/
- "movq %%mm3,(%[dst4])\n\t"
- /*#5 Write row.*/
- "movq %%mm5,(%[dst4],%[ystride])\n\t"
- /*#6 Load low residue.*/
- "movq 12*8(%[residue]),%%mm1\n\t"
- /*#6 Load high residue.*/
- "movq 13*8(%[residue]),%%mm2\n\t"
- /*#7 Load low residue.*/
- "movq 14*8(%[residue]),%%mm3\n\t"
- /*#7 Load high residue.*/
- "movq 15*8(%[residue]),%%mm4\n\t"
- /*#6 Bias low residue.*/
- "paddsw %%mm0,%%mm1\n\t"
- /*#6 Bias high residue.*/
- "paddsw %%mm0,%%mm2\n\t"
- /*#6 Pack to byte.*/
- "packuswb %%mm2,%%mm1\n\t"
- /*#7 Bias low residue.*/
- "paddsw %%mm0,%%mm3\n\t"
- /*#7 Bias high residue.*/
- "paddsw %%mm0,%%mm4\n\t"
- /*#7 Pack to byte.*/
- "packuswb %%mm4,%%mm3\n\t"
- /*#6 Write row.*/
- "movq %%mm1,(%[dst4],%[ystride],2)\n\t"
- /*#7 Write row.*/
- "movq %%mm3,(%[dst4],%[ystride3])\n\t"
- :
- :[residue]"r"(_residue),
- [dst]"r"(_dst),
- [dst4]"r"(_dst+(_ystride<<2)),
- [ystride]"r"((ptrdiff_t)_ystride),
- [ystride3]"r"((ptrdiff_t)_ystride*3)
- :"memory"
- );
-}
-
-void oc_frag_recon_inter_mmx(unsigned char *_dst,const unsigned char *_src,
- int _ystride,const ogg_int16_t *_residue){
- int i;
- /*Zero mm0.*/
- __asm__ __volatile__("pxor %%mm0,%%mm0\n\t"::);
- for(i=4;i-->0;){
- __asm__ __volatile__(
- /*#0 Load source.*/
- "movq (%[src]),%%mm3\n\t"
- /*#1 Load source.*/
- "movq (%[src],%[ystride]),%%mm7\n\t"
- /*#0 Get copy of src.*/
- "movq %%mm3,%%mm4\n\t"
- /*#0 Expand high source.*/
- "punpckhbw %%mm0,%%mm4\n\t"
- /*#0 Expand low source.*/
- "punpcklbw %%mm0,%%mm3\n\t"
- /*#0 Add residue high.*/
- "paddsw 8(%[residue]),%%mm4\n\t"
- /*#1 Get copy of src.*/
- "movq %%mm7,%%mm2\n\t"
- /*#0 Add residue low.*/
- "paddsw (%[residue]), %%mm3\n\t"
- /*#1 Expand high source.*/
- "punpckhbw %%mm0,%%mm2\n\t"
- /*#0 Pack final row pixels.*/
- "packuswb %%mm4,%%mm3\n\t"
- /*#1 Expand low source.*/
- "punpcklbw %%mm0,%%mm7\n\t"
- /*#1 Add residue low.*/
- "paddsw 16(%[residue]),%%mm7\n\t"
- /*#1 Add residue high.*/
- "paddsw 24(%[residue]),%%mm2\n\t"
- /*Advance residue.*/
- "lea 32(%[residue]),%[residue]\n\t"
- /*#1 Pack final row pixels.*/
- "packuswb %%mm2,%%mm7\n\t"
- /*Advance src.*/
- "lea (%[src],%[ystride],2),%[src]\n\t"
- /*#0 Write row.*/
- "movq %%mm3,(%[dst])\n\t"
- /*#1 Write row.*/
- "movq %%mm7,(%[dst],%[ystride])\n\t"
- /*Advance dst.*/
- "lea (%[dst],%[ystride],2),%[dst]\n\t"
- :[residue]"+r"(_residue),[dst]"+r"(_dst),[src]"+r"(_src)
- :[ystride]"r"((ptrdiff_t)_ystride)
- :"memory"
- );
- }
-}
-
-void oc_frag_recon_inter2_mmx(unsigned char *_dst,const unsigned char *_src1,
- const unsigned char *_src2,int _ystride,const ogg_int16_t *_residue){
- int i;
- /*Zero mm7.*/
- __asm__ __volatile__("pxor %%mm7,%%mm7\n\t"::);
- for(i=4;i-->0;){
- __asm__ __volatile__(
- /*#0 Load src1.*/
- "movq (%[src1]),%%mm0\n\t"
- /*#0 Load src2.*/
- "movq (%[src2]),%%mm2\n\t"
- /*#0 Copy src1.*/
- "movq %%mm0,%%mm1\n\t"
- /*#0 Copy src2.*/
- "movq %%mm2,%%mm3\n\t"
- /*#1 Load src1.*/
- "movq (%[src1],%[ystride]),%%mm4\n\t"
- /*#0 Unpack lower src1.*/
- "punpcklbw %%mm7,%%mm0\n\t"
- /*#1 Load src2.*/
- "movq (%[src2],%[ystride]),%%mm5\n\t"
- /*#0 Unpack higher src1.*/
- "punpckhbw %%mm7,%%mm1\n\t"
- /*#0 Unpack lower src2.*/
- "punpcklbw %%mm7,%%mm2\n\t"
- /*#0 Unpack higher src2.*/
- "punpckhbw %%mm7,%%mm3\n\t"
- /*Advance src1 ptr.*/
- "lea (%[src1],%[ystride],2),%[src1]\n\t"
- /*Advance src2 ptr.*/
- "lea (%[src2],%[ystride],2),%[src2]\n\t"
- /*#0 Lower src1+src2.*/
- "paddsw %%mm2,%%mm0\n\t"
- /*#0 Higher src1+src2.*/
- "paddsw %%mm3,%%mm1\n\t"
- /*#1 Copy src1.*/
- "movq %%mm4,%%mm2\n\t"
- /*#0 Build lo average.*/
- "psraw $1,%%mm0\n\t"
- /*#1 Copy src2.*/
- "movq %%mm5,%%mm3\n\t"
- /*#1 Unpack lower src1.*/
- "punpcklbw %%mm7,%%mm4\n\t"
- /*#0 Build hi average.*/
- "psraw $1,%%mm1\n\t"
- /*#1 Unpack higher src1.*/
- "punpckhbw %%mm7,%%mm2\n\t"
- /*#0 low+=residue.*/
- "paddsw (%[residue]),%%mm0\n\t"
- /*#1 Unpack lower src2.*/
- "punpcklbw %%mm7,%%mm5\n\t"
- /*#0 high+=residue.*/
- "paddsw 8(%[residue]),%%mm1\n\t"
- /*#1 Unpack higher src2.*/
- "punpckhbw %%mm7,%%mm3\n\t"
- /*#1 Lower src1+src2.*/
- "paddsw %%mm4,%%mm5\n\t"
- /*#0 Pack and saturate.*/
- "packuswb %%mm1,%%mm0\n\t"
- /*#1 Higher src1+src2.*/
- "paddsw %%mm2,%%mm3\n\t"
- /*#0 Write row.*/
- "movq %%mm0,(%[dst])\n\t"
- /*#1 Build lo average.*/
- "psraw $1,%%mm5\n\t"
- /*#1 Build hi average.*/
- "psraw $1,%%mm3\n\t"
- /*#1 low+=residue.*/
- "paddsw 16(%[residue]),%%mm5\n\t"
- /*#1 high+=residue.*/
- "paddsw 24(%[residue]),%%mm3\n\t"
- /*#1 Pack and saturate.*/
- "packuswb %%mm3,%%mm5\n\t"
- /*#1 Write row ptr.*/
- "movq %%mm5,(%[dst],%[ystride])\n\t"
- /*Advance residue ptr.*/
- "add $32,%[residue]\n\t"
- /*Advance dest ptr.*/
- "lea (%[dst],%[ystride],2),%[dst]\n\t"
- :[dst]"+r"(_dst),[residue]"+r"(_residue),
- [src1]"+%r"(_src1),[src2]"+r"(_src2)
- :[ystride]"r"((ptrdiff_t)_ystride)
- :"memory"
- );
- }
-}
-
-void oc_restore_fpu_mmx(void){
- __asm__ __volatile__("emms\n\t");
-}
-#endif
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