📄 sad_xmm.asm
字号:
;/****************************************************************************; *; * XVID MPEG-4 VIDEO CODEC; * - K7 optimized SAD operators -; *; * Copyright(C) 2001 Peter Ross <pross@xvid.org>; * 2001 Michael Militzer <isibaar@xvid.org>; * 2002 Pascal Massimino <skal@planet-d.net>; *; * This program is free software; you can redistribute it and/or modify it; * under the terms of the GNU General Public License as published by; * the Free Software Foundation; either version 2 of the License, or; * (at your option) any later version.; *; * This program is distributed in the hope that it will be useful,; * but WITHOUT ANY WARRANTY; without even the implied warranty of; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the; * GNU General Public License for more details.; *; * You should have received a copy of the GNU General Public License; * along with this program; if not, write to the Free Software; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA; *; * $Id: sad_xmm.asm,v 1.10 2004/08/29 10:02:38 edgomez Exp $; *; ***************************************************************************/BITS 32%macro cglobal 1 %ifdef PREFIX %ifdef MARK_FUNCS global _%1:function %1.endfunc-%1 %define %1 _%1:function %1.endfunc-%1 %else global _%1 %define %1 _%1 %endif %else %ifdef MARK_FUNCS global %1:function %1.endfunc-%1 %else global %1 %endif %endif%endmacro;=============================================================================; Read only data;=============================================================================%ifdef FORMAT_COFFSECTION .rodata%elseSECTION .rodata align=16%endifALIGN 16mmx_one: times 4 dw 1;=============================================================================; Helper macros;=============================================================================%macro SAD_16x16_SSE 0 movq mm0, [eax] psadbw mm0, [edx] movq mm1, [eax+8] add eax, ecx psadbw mm1, [edx+8] paddusw mm5, mm0 add edx, ecx paddusw mm6, mm1%endmacro%macro SAD_8x8_SSE 0 movq mm0, [eax] movq mm1, [eax+ecx] psadbw mm0, [edx] psadbw mm1, [edx+ecx] add eax, ebx add edx, ebx paddusw mm5, mm0 paddusw mm6, mm1%endmacro%macro SADBI_16x16_SSE 0 movq mm0, [eax] movq mm1, [eax+8] movq mm2, [edx] movq mm3, [edx+8] pavgb mm2, [ebx] add edx, ecx pavgb mm3, [ebx+8] add ebx, ecx psadbw mm0, mm2 add eax, ecx psadbw mm1, mm3 paddusw mm5, mm0 paddusw mm6, mm1%endmacro%macro SADBI_8x8_XMM 0 movq mm0, [eax] movq mm1, [eax+ecx] movq mm2, [edx] movq mm3, [edx+ecx] pavgb mm2, [ebx] lea edx, [edx+2*ecx] pavgb mm3, [ebx+ecx] lea ebx, [ebx+2*ecx] psadbw mm0, mm2 lea eax, [eax+2*ecx] psadbw mm1, mm3 paddusw mm5, mm0 paddusw mm6, mm1%endmacro%macro MEAN_16x16_SSE 0 movq mm0, [eax] movq mm1, [eax+8] psadbw mm0, mm7 psadbw mm1, mm7 add eax, ecx paddw mm5, mm0 paddw mm6, mm1%endmacro%macro ABS_16x16_SSE 0 movq mm0, [eax] movq mm1, [eax+8] psadbw mm0, mm4 psadbw mm1, mm4 lea eax, [eax+ecx] paddw mm5, mm0 paddw mm6, mm1%endmacro;=============================================================================; Code;=============================================================================SECTION .textcglobal sad16_xmmcglobal sad8_xmmcglobal sad16bi_xmmcglobal sad8bi_xmmcglobal dev16_xmmcglobal sad16v_xmm;-----------------------------------------------------------------------------;; uint32_t sad16_xmm(const uint8_t * const cur,; const uint8_t * const ref,; const uint32_t stride,; const uint32_t best_sad);;;-----------------------------------------------------------------------------ALIGN 16sad16_xmm: mov eax, [esp+ 4] ; Src1 mov edx, [esp+ 8] ; Src2 mov ecx, [esp+12] ; Stride pxor mm5, mm5 ; accum1 pxor mm6, mm6 ; accum2 SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE paddusw mm6,mm5 movd eax, mm6 ret.endfunc;-----------------------------------------------------------------------------;; uint32_t sad8_xmm(const uint8_t * const cur,; const uint8_t * const ref,; const uint32_t stride);;;-----------------------------------------------------------------------------ALIGN 16sad8_xmm: mov eax, [esp+ 4] ; Src1 mov edx, [esp+ 8] ; Src2 mov ecx, [esp+12] ; Stride push ebx lea ebx, [ecx+ecx] pxor mm5, mm5 ; accum1 pxor mm6, mm6 ; accum2 SAD_8x8_SSE SAD_8x8_SSE SAD_8x8_SSE movq mm0, [eax] movq mm1, [eax+ecx] psadbw mm0, [edx] psadbw mm1, [edx+ecx] pop ebx paddusw mm5,mm0 paddusw mm6,mm1 paddusw mm6,mm5 movd eax, mm6 ret.endfunc;-----------------------------------------------------------------------------;; uint32_t sad16bi_xmm(const uint8_t * const cur,; const uint8_t * const ref1,; const uint8_t * const ref2,; const uint32_t stride);;;-----------------------------------------------------------------------------ALIGN 16sad16bi_xmm: push ebx mov eax, [esp+4+ 4] ; Src mov edx, [esp+4+ 8] ; Ref1 mov ebx, [esp+4+12] ; Ref2 mov ecx, [esp+4+16] ; Stride pxor mm5, mm5 ; accum1 pxor mm6, mm6 ; accum2 SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE paddusw mm6,mm5 movd eax, mm6 pop ebx ret.endfunc;-----------------------------------------------------------------------------;; uint32_t sad8bi_xmm(const uint8_t * const cur,; const uint8_t * const ref1,; const uint8_t * const ref2,; const uint32_t stride);;;-----------------------------------------------------------------------------ALIGN 16sad8bi_xmm: push ebx mov eax, [esp+4+ 4] ; Src mov edx, [esp+4+ 8] ; Ref1 mov ebx, [esp+4+12] ; Ref2 mov ecx, [esp+4+16] ; Stride pxor mm5, mm5 ; accum1 pxor mm6, mm6 ; accum2.Loop SADBI_8x8_XMM SADBI_8x8_XMM SADBI_8x8_XMM SADBI_8x8_XMM paddusw mm6,mm5 movd eax, mm6 pop ebx ret.endfunc;-----------------------------------------------------------------------------;; uint32_t dev16_xmm(const uint8_t * const cur,; const uint32_t stride);;;-----------------------------------------------------------------------------ALIGN 16dev16_xmm: mov eax, [esp+ 4] ; Src mov ecx, [esp+ 8] ; Stride pxor mm7, mm7 ; zero pxor mm5, mm5 ; mean accums pxor mm6, mm6 MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE paddusw mm6, mm5 movq mm4, mm6 psllq mm4, 32 paddd mm4, mm6 psrld mm4, 8 ; /= (16*16) packssdw mm4, mm4 packuswb mm4, mm4 ; mm4 contains the mean mov eax, [esp+ 4] ; Src pxor mm5, mm5 ; sums pxor mm6, mm6 ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE paddusw mm6, mm5 movq mm7, mm6 psllq mm7, 32 paddd mm6, mm7 movd eax, mm6 ret.endfunc;-----------------------------------------------------------------------------;int sad16v_xmm(const uint8_t * const cur,; const uint8_t * const ref,; const uint32_t stride,; int* sad8);;-----------------------------------------------------------------------------ALIGN 16sad16v_xmm: push ebx mov eax, [esp+4+ 4] ; Src1 mov edx, [esp+4+ 8] ; Src2 mov ecx, [esp+4+12] ; Stride mov ebx, [esp+4+16] ; sad ptr pxor mm5, mm5 ; accum1 pxor mm6, mm6 ; accum2 pxor mm7, mm7 ; total SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE paddusw mm7, mm5 paddusw mm7, mm6 movd [ebx], mm5 movd [ebx+4], mm6 pxor mm5, mm5 ; accum1 pxor mm6, mm6 ; accum2 SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE paddusw mm7, mm5 paddusw mm7, mm6 movd [ebx+8], mm5 movd [ebx+12], mm6 movd eax, mm7 pop ebx ret.endfunc⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -