--- mem_transfer_mmx.asm 2003/02/12 11:44:03 1.6.2.1 +++ mem_transfer_mmx.asm 2009/09/16 17:07:58 1.22 @@ -1,58 +1,47 @@ -;/************************************************************************** +;/**************************************************************************** ; * -; * XVID MPEG-4 VIDEO CODEC -; * mmx 8bit<->16bit transfers +; * XVID MPEG-4 VIDEO CODEC +; * - 8<->16 bit transfer functions - ; * -; * This program is an implementation of a part of one or more MPEG-4 -; * Video tools as specified in ISO/IEC 14496-2 standard. Those intending -; * to use this software module in hardware or software products are -; * advised that its use may infringe existing patents or copyrights, and -; * any such use would be at such party's own risk. The original -; * developer of this software module and his/her company, and subsequent -; * editors and their companies, will have no liability for use of this -; * software or modifications or derivatives thereof. +; * Copyright (C) 2001 Peter Ross +; * 2001-2008 Michael Militzer +; * 2002 Pascal Massimino ; * -; * 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 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. +; * 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., 675 Mass Ave, Cambridge, MA 02139, USA. +; * 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 ; * -; *************************************************************************/ - -;/************************************************************************** -; * -; * History: -; * -; * 04.06.2002 speed enhancement (unroll+overlap). -Skal- -; * + added transfer_8to16sub2_mmx/xmm -; * 07.01.2002 merge functions from compensate_mmx; rename functions -; * 07.11.2001 initial version; (c)2001 peter ross +; * $Id: mem_transfer_mmx.asm,v 1.22 2009/09/16 17:07:58 Isibaar Exp $ ; * -; *************************************************************************/ +; ***************************************************************************/ +%include "nasm.inc" -bits 32 +;============================================================================= +; Read only data +;============================================================================= -%macro cglobal 1 - %ifdef PREFIX - global _%1 - %define %1 _%1 - %else - global %1 - %endif -%endmacro +DATA + +ALIGN SECTION_ALIGN +mmx_one: + dw 1, 1, 1, 1 +;============================================================================= +; Code +;============================================================================= -section .text +TEXT cglobal transfer_8to16copy_mmx cglobal transfer_16to8copy_mmx @@ -60,120 +49,113 @@ cglobal transfer_8to16subro_mmx cglobal transfer_8to16sub2_mmx cglobal transfer_8to16sub2_xmm +cglobal transfer_8to16sub2ro_xmm cglobal transfer_16to8add_mmx cglobal transfer8x8_copy_mmx +cglobal transfer8x4_copy_mmx -;=========================================================================== +;----------------------------------------------------------------------------- ; ; void transfer_8to16copy_mmx(int16_t * const dst, ; const uint8_t * const src, ; uint32_t stride); ; -;=========================================================================== +;----------------------------------------------------------------------------- %macro COPY_8_TO_16 1 - movq mm0, [eax] - movq mm1, [eax+edx] + movq mm0, [_EAX] + movq mm1, [_EAX+TMP1] movq mm2, mm0 movq mm3, mm1 punpcklbw mm0, mm7 - movq [ecx+%1*32], mm0 + movq [TMP0+%1*32], mm0 punpcklbw mm1, mm7 - movq [ecx+%1*32+16], mm1 + movq [TMP0+%1*32+16], mm1 punpckhbw mm2, mm7 punpckhbw mm3, mm7 - lea eax,[eax+2*edx] - movq [ecx+%1*32+8], mm2 - movq [ecx+%1*32+24], mm3 + lea _EAX, [_EAX+2*TMP1] + movq [TMP0+%1*32+8], mm2 + movq [TMP0+%1*32+24], mm3 %endmacro -align 16 +ALIGN SECTION_ALIGN transfer_8to16copy_mmx: - mov ecx, [esp+ 4] ; Dst - mov eax, [esp+ 8] ; Src - mov edx, [esp+12] ; Stride - pxor mm7,mm7 + mov TMP0, prm1 ; Dst + mov _EAX, prm2 ; Src + mov TMP1, prm3 ; Stride + pxor mm7, mm7 COPY_8_TO_16 0 COPY_8_TO_16 1 COPY_8_TO_16 2 COPY_8_TO_16 3 ret +ENDFUNC -;=========================================================================== +;----------------------------------------------------------------------------- ; ; void transfer_16to8copy_mmx(uint8_t * const dst, ; const int16_t * const src, ; uint32_t stride); ; -;=========================================================================== +;----------------------------------------------------------------------------- %macro COPY_16_TO_8 1 - movq mm0, [eax+%1*32] - movq mm1, [eax+%1*32+8] + movq mm0, [_EAX+%1*32] + movq mm1, [_EAX+%1*32+8] packuswb mm0, mm1 - movq [ecx], mm0 - movq mm2, [eax+%1*32+16] - movq mm3, [eax+%1*32+24] + movq [TMP0], mm0 + movq mm2, [_EAX+%1*32+16] + movq mm3, [_EAX+%1*32+24] packuswb mm2, mm3 - movq [ecx+edx], mm2 + movq [TMP0+TMP1], mm2 %endmacro -align 16 +ALIGN SECTION_ALIGN transfer_16to8copy_mmx: - mov ecx, [esp+ 4] ; Dst - mov eax, [esp+ 8] ; Src - mov edx, [esp+12] ; Stride + mov TMP0, prm1 ; Dst + mov _EAX, prm2 ; Src + mov TMP1, prm3 ; Stride COPY_16_TO_8 0 - lea ecx,[ecx+2*edx] + lea TMP0,[TMP0+2*TMP1] COPY_16_TO_8 1 - lea ecx,[ecx+2*edx] + lea TMP0,[TMP0+2*TMP1] COPY_16_TO_8 2 - lea ecx,[ecx+2*edx] + lea TMP0,[TMP0+2*TMP1] COPY_16_TO_8 3 ret +ENDFUNC -;=========================================================================== +;----------------------------------------------------------------------------- ; ; void transfer_8to16sub_mmx(int16_t * const dct, ; uint8_t * const cur, ; const uint8_t * const ref, ; const uint32_t stride); ; -;=========================================================================== -;/************************************************************************** -; * -; * History: -; * -; * 27.12.2001 renamed from 'compensate' to 'transfer_8to16sub' -; * 02.12.2001 loop unrolled, code runs 10% faster now (Isibaar) -; * 30.11.2001 16 pixels are processed per iteration (Isibaar) -; * 30.11.2001 .text missing -; * 06.11.2001 inital version; (c)2001 peter ross -; * -; *************************************************************************/ +;----------------------------------------------------------------------------- -; when second argument == 1, reference (ebx) block is to current (eax) +; when second argument == 1, reference (ebx) block is to current (_EAX) %macro COPY_8_TO_16_SUB 2 - movq mm0, [eax] ; cur - movq mm2, [eax+edx] + movq mm0, [_EAX] ; cur + movq mm2, [_EAX+TMP1] movq mm1, mm0 movq mm3, mm2 punpcklbw mm0, mm7 punpcklbw mm2, mm7 - movq mm4, [ebx] ; ref + movq mm4, [_EBX] ; ref punpckhbw mm1, mm7 punpckhbw mm3, mm7 - movq mm5, [ebx+edx] ; ref + movq mm5, [_EBX+TMP1] ; ref movq mm6, mm4 %if %2 == 1 - movq [eax], mm4 - movq [eax+edx], mm5 + movq [_EAX], mm4 + movq [_EAX+TMP1], mm5 %endif punpcklbw mm4, mm7 punpckhbw mm6, mm7 @@ -183,23 +165,28 @@ punpcklbw mm5, mm7 punpckhbw mm6, mm7 psubsw mm2, mm5 - lea eax,[eax+2*edx] + lea _EAX, [_EAX+2*TMP1] psubsw mm3, mm6 - lea ebx,[ebx+2*edx] + lea _EBX,[_EBX+2*TMP1] - movq [ecx+%1*32+ 0], mm0 ; dst - movq [ecx+%1*32+ 8], mm1 - movq [ecx+%1*32+16], mm2 - movq [ecx+%1*32+24], mm3 + movq [TMP0+%1*32+ 0], mm0 ; dst + movq [TMP0+%1*32+ 8], mm1 + movq [TMP0+%1*32+16], mm2 + movq [TMP0+%1*32+24], mm3 %endmacro -align 16 +ALIGN SECTION_ALIGN transfer_8to16sub_mmx: - mov ecx, [esp + 4] ; Dst - mov eax, [esp + 8] ; Cur - push ebx - mov ebx, [esp+4+12] ; Ref - mov edx, [esp+4+16] ; Stride + mov TMP0, prm1 ; Dst + mov _EAX, prm2 ; Cur + mov TMP1, prm4 ; Stride + + push _EBX +%ifdef ARCH_IS_X86_64 + mov _EBX, prm3 +%else + mov _EBX, [_ESP+4+12] ; Ref +%endif pxor mm7, mm7 COPY_8_TO_16_SUB 0, 1 @@ -207,17 +194,23 @@ COPY_8_TO_16_SUB 2, 1 COPY_8_TO_16_SUB 3, 1 - pop ebx + pop _EBX ret +ENDFUNC -align 16 +ALIGN SECTION_ALIGN transfer_8to16subro_mmx: - mov ecx, [esp + 4] ; Dst - mov eax, [esp + 8] ; Cur - push ebx - mov ebx, [esp+4+12] ; Ref - mov edx, [esp+4+16] ; Stride + mov TMP0, prm1 ; Dst + mov _EAX, prm2 ; Cur + mov TMP1, prm4 ; Stride + + push _EBX +%ifdef ARCH_IS_X86_64 + mov _EBX, prm3 +%else + mov _EBX, [_ESP+4+12] ; Ref +%endif pxor mm7, mm7 COPY_8_TO_16_SUB 0, 0 @@ -225,11 +218,12 @@ COPY_8_TO_16_SUB 2, 0 COPY_8_TO_16_SUB 3, 0 - pop ebx + pop _EBX ret +ENDFUNC -;=========================================================================== +;----------------------------------------------------------------------------- ; ; void transfer_8to16sub2_mmx(int16_t * const dct, ; uint8_t * const cur, @@ -237,15 +231,15 @@ ; const uint8_t * ref2, ; const uint32_t stride) ; -;=========================================================================== +;----------------------------------------------------------------------------- %macro COPY_8_TO_16_SUB2_MMX 1 - movq mm0, [eax] ; cur - movq mm2, [eax+edx] + movq mm0, [_EAX] ; cur + movq mm2, [_EAX+TMP1] - ; mm4 <- (ref1+ref2+1) / 2 - movq mm4, [ebx] ; ref1 - movq mm1, [esi] ; ref2 + ; mm4 <- (ref1+ref2+1) / 2 + movq mm4, [_EBX] ; ref1 + movq mm1, [_ESI] ; ref2 movq mm6, mm4 movq mm3, mm1 punpcklbw mm4, mm7 @@ -254,33 +248,38 @@ punpckhbw mm3, mm7 paddusw mm4, mm1 paddusw mm6, mm3 - psrlw mm4,1 - psrlw mm6,1 + paddusw mm4, [mmx_one] + paddusw mm6, [mmx_one] + psrlw mm4, 1 + psrlw mm6, 1 packuswb mm4, mm6 + movq [_EAX], mm4 ; mm5 <- (ref1+ref2+1) / 2 - movq mm5, [ebx+edx] ; ref1 - movq mm1, [esi+edx] ; ref2 + movq mm5, [_EBX+TMP1] ; ref1 + movq mm1, [_ESI+TMP1] ; ref2 movq mm6, mm5 movq mm3, mm1 punpcklbw mm5, mm7 punpcklbw mm1, mm7 punpckhbw mm6, mm7 - punpckhbw mm3, mm7 + punpckhbw mm3, mm7 paddusw mm5, mm1 paddusw mm6, mm3 - lea esi,[esi+2*edx] - psrlw mm5,1 - psrlw mm6,1 + paddusw mm5, [mmx_one] + paddusw mm6, [mmx_one] + lea _ESI, [_ESI+2*TMP1] + psrlw mm5, 1 + psrlw mm6, 1 packuswb mm5, mm6 - + movq [_EAX+TMP1], mm5 movq mm1, mm0 movq mm3, mm2 punpcklbw mm0, mm7 punpcklbw mm2, mm7 - punpckhbw mm1, mm7 - punpckhbw mm3, mm7 + punpckhbw mm1, mm7 + punpckhbw mm3, mm7 movq mm6, mm4 punpcklbw mm4, mm7 @@ -291,25 +290,36 @@ punpcklbw mm5, mm7 punpckhbw mm6, mm7 psubsw mm2, mm5 - lea eax,[eax+2*edx] + lea _EAX, [_EAX+2*TMP1] psubsw mm3, mm6 - lea ebx,[ebx+2*edx] + lea _EBX, [_EBX+2*TMP1] - movq [ecx+%1*32+ 0], mm0 ; dst - movq [ecx+%1*32+ 8], mm1 - movq [ecx+%1*32+16], mm2 - movq [ecx+%1*32+24], mm3 + movq [TMP0+%1*32+ 0], mm0 ; dst + movq [TMP0+%1*32+ 8], mm1 + movq [TMP0+%1*32+16], mm2 + movq [TMP0+%1*32+24], mm3 %endmacro -align 16 +ALIGN SECTION_ALIGN transfer_8to16sub2_mmx: - mov ecx, [esp + 4] ; Dst - mov eax, [esp + 8] ; Cur - push ebx - mov ebx, [esp+4+12] ; Ref1 - push esi - mov esi, [esp+8+16] ; Ref2 - mov edx, [esp+8+20] ; Stride + mov TMP0, prm1 ; Dst + mov TMP1d, prm5d ; Stride + mov _EAX, prm2 ; Cur + + push _EBX +%ifdef ARCH_IS_X86_64 + mov _EBX, prm3 +%else + mov _EBX, [_ESP+4+12] ; Ref1 +%endif + + push _ESI +%ifdef ARCH_IS_X86_64 + mov _ESI, prm4 +%else + mov _ESI, [_ESP+8+16] ; Ref2 +%endif + pxor mm7, mm7 COPY_8_TO_16_SUB2_MMX 0 @@ -317,11 +327,12 @@ COPY_8_TO_16_SUB2_MMX 2 COPY_8_TO_16_SUB2_MMX 3 - pop esi - pop ebx + pop _ESI + pop _EBX ret +ENDFUNC -;=========================================================================== +;----------------------------------------------------------------------------- ; ; void transfer_8to16sub2_xmm(int16_t * const dct, ; uint8_t * const cur, @@ -329,52 +340,65 @@ ; const uint8_t * ref2, ; const uint32_t stride) ; -;=========================================================================== +;----------------------------------------------------------------------------- %macro COPY_8_TO_16_SUB2_SSE 1 - movq mm0, [eax] ; cur - movq mm2, [eax+edx] + movq mm0, [_EAX] ; cur + movq mm2, [_EAX+TMP1] movq mm1, mm0 movq mm3, mm2 punpcklbw mm0, mm7 punpcklbw mm2, mm7 - movq mm4, [ebx] ; ref1 - pavgb mm4, [esi] ; ref2 - punpckhbw mm1, mm7 - punpckhbw mm3, mm7 - movq mm5, [ebx+edx] ; ref - pavgb mm5, [esi+edx] ; ref2 + movq mm4, [_EBX] ; ref1 + pavgb mm4, [_ESI] ; ref2 + movq [_EAX], mm4 + punpckhbw mm1, mm7 + punpckhbw mm3, mm7 + movq mm5, [_EBX+TMP1] ; ref + pavgb mm5, [_ESI+TMP1] ; ref2 + movq [_EAX+TMP1], mm5 movq mm6, mm4 punpcklbw mm4, mm7 punpckhbw mm6, mm7 psubsw mm0, mm4 psubsw mm1, mm6 - lea esi,[esi+2*edx] + lea _ESI, [_ESI+2*TMP1] movq mm6, mm5 punpcklbw mm5, mm7 punpckhbw mm6, mm7 psubsw mm2, mm5 - lea eax,[eax+2*edx] + lea _EAX, [_EAX+2*TMP1] psubsw mm3, mm6 - lea ebx,[ebx+2*edx] + lea _EBX, [_EBX+2*TMP1] - movq [ecx+%1*32+ 0], mm0 ; dst - movq [ecx+%1*32+ 8], mm1 - movq [ecx+%1*32+16], mm2 - movq [ecx+%1*32+24], mm3 + movq [TMP0+%1*32+ 0], mm0 ; dst + movq [TMP0+%1*32+ 8], mm1 + movq [TMP0+%1*32+16], mm2 + movq [TMP0+%1*32+24], mm3 %endmacro -align 16 +ALIGN SECTION_ALIGN transfer_8to16sub2_xmm: - mov ecx, [esp + 4] ; Dst - mov eax, [esp + 8] ; Cur - push ebx - mov ebx, [esp+4+12] ; Ref1 - push esi - mov esi, [esp+8+16] ; Ref2 - mov edx, [esp+8+20] ; Stride + mov TMP0, prm1 ; Dst + mov _EAX, prm2 ; Cur + mov TMP1d, prm5d ; Stride + + push _EBX +%ifdef ARCH_IS_X86_64 + mov _EBX, prm3 ; Ref1 +%else + mov _EBX, [_ESP+4+12] ; Ref1 +%endif + + push _ESI +%ifdef ARCH_IS_X86_64 + mov _ESI, prm4 ; Ref1 +%else + mov _ESI, [_ESP+8+16] ; Ref2 +%endif + pxor mm7, mm7 COPY_8_TO_16_SUB2_SSE 0 @@ -382,82 +406,186 @@ COPY_8_TO_16_SUB2_SSE 2 COPY_8_TO_16_SUB2_SSE 3 - pop esi - pop ebx + pop _ESI + pop _EBX + ret +ENDFUNC + + +;----------------------------------------------------------------------------- +; +; void transfer_8to16sub2ro_xmm(int16_t * const dct, +; const uint8_t * const cur, +; const uint8_t * ref1, +; const uint8_t * ref2, +; const uint32_t stride) +; +;----------------------------------------------------------------------------- + +%macro COPY_8_TO_16_SUB2RO_SSE 1 + movq mm0, [_EAX] ; cur + movq mm2, [_EAX+TMP1] + movq mm1, mm0 + movq mm3, mm2 + + punpcklbw mm0, mm7 + punpcklbw mm2, mm7 + movq mm4, [_EBX] ; ref1 + pavgb mm4, [_ESI] ; ref2 + punpckhbw mm1, mm7 + punpckhbw mm3, mm7 + movq mm5, [_EBX+TMP1] ; ref + pavgb mm5, [_ESI+TMP1] ; ref2 + + movq mm6, mm4 + punpcklbw mm4, mm7 + punpckhbw mm6, mm7 + psubsw mm0, mm4 + psubsw mm1, mm6 + lea _ESI, [_ESI+2*TMP1] + movq mm6, mm5 + punpcklbw mm5, mm7 + punpckhbw mm6, mm7 + psubsw mm2, mm5 + lea _EAX, [_EAX+2*TMP1] + psubsw mm3, mm6 + lea _EBX, [_EBX+2*TMP1] + + movq [TMP0+%1*32+ 0], mm0 ; dst + movq [TMP0+%1*32+ 8], mm1 + movq [TMP0+%1*32+16], mm2 + movq [TMP0+%1*32+24], mm3 +%endmacro + +ALIGN SECTION_ALIGN +transfer_8to16sub2ro_xmm: + pxor mm7, mm7 + mov TMP0, prm1 ; Dst + mov _EAX, prm2 ; Cur + mov TMP1d, prm5d ; Stride + + push _EBX +%ifdef ARCH_IS_X86_64 + mov _EBX, prm3 +%else + mov _EBX, [_ESP+4+12] ; Ref1 +%endif + + push _ESI +%ifdef ARCH_IS_X86_64 + mov _ESI, prm4 +%else + mov _ESI, [_ESP+8+16] ; Ref2 +%endif + + COPY_8_TO_16_SUB2RO_SSE 0 + COPY_8_TO_16_SUB2RO_SSE 1 + COPY_8_TO_16_SUB2RO_SSE 2 + COPY_8_TO_16_SUB2RO_SSE 3 + + pop _ESI + pop _EBX ret +ENDFUNC -;=========================================================================== + +;----------------------------------------------------------------------------- ; ; void transfer_16to8add_mmx(uint8_t * const dst, ; const int16_t * const src, ; uint32_t stride); ; -;=========================================================================== +;----------------------------------------------------------------------------- %macro COPY_16_TO_8_ADD 1 - movq mm0, [ecx] - movq mm2, [ecx+edx] + movq mm0, [TMP0] + movq mm2, [TMP0+TMP1] movq mm1, mm0 movq mm3, mm2 punpcklbw mm0, mm7 punpcklbw mm2, mm7 punpckhbw mm1, mm7 punpckhbw mm3, mm7 - paddsw mm0, [eax+%1*32+ 0] - paddsw mm1, [eax+%1*32+ 8] - paddsw mm2, [eax+%1*32+16] - paddsw mm3, [eax+%1*32+24] + paddsw mm0, [_EAX+%1*32+ 0] + paddsw mm1, [_EAX+%1*32+ 8] + paddsw mm2, [_EAX+%1*32+16] + paddsw mm3, [_EAX+%1*32+24] packuswb mm0, mm1 - movq [ecx], mm0 + movq [TMP0], mm0 packuswb mm2, mm3 - movq [ecx+edx], mm2 + movq [TMP0+TMP1], mm2 %endmacro -align 16 +ALIGN SECTION_ALIGN transfer_16to8add_mmx: - mov ecx, [esp+ 4] ; Dst - mov eax, [esp+ 8] ; Src - mov edx, [esp+12] ; Stride + mov TMP0, prm1 ; Dst + mov _EAX, prm2 ; Src + mov TMP1, prm3 ; Stride pxor mm7, mm7 COPY_16_TO_8_ADD 0 - lea ecx,[ecx+2*edx] + lea TMP0,[TMP0+2*TMP1] COPY_16_TO_8_ADD 1 - lea ecx,[ecx+2*edx] + lea TMP0,[TMP0+2*TMP1] COPY_16_TO_8_ADD 2 - lea ecx,[ecx+2*edx] + lea TMP0,[TMP0+2*TMP1] COPY_16_TO_8_ADD 3 ret +ENDFUNC -;=========================================================================== +;----------------------------------------------------------------------------- ; ; void transfer8x8_copy_mmx(uint8_t * const dst, ; const uint8_t * const src, ; const uint32_t stride); ; ; -;=========================================================================== +;----------------------------------------------------------------------------- %macro COPY_8_TO_8 0 - movq mm0, [eax] - movq mm1, [eax+edx] - movq [ecx], mm0 - lea eax,[eax+2*edx] - movq [ecx+edx], mm1 + movq mm0, [_EAX] + movq mm1, [_EAX+TMP1] + movq [TMP0], mm0 + lea _EAX, [_EAX+2*TMP1] + movq [TMP0+TMP1], mm1 %endmacro -align 16 +ALIGN SECTION_ALIGN transfer8x8_copy_mmx: - mov ecx, [esp+ 4] ; Dst - mov eax, [esp+ 8] ; Src - mov edx, [esp+12] ; Stride + mov TMP0, prm1 ; Dst + mov _EAX, prm2 ; Src + mov TMP1, prm3 ; Stride COPY_8_TO_8 - lea ecx,[ecx+2*edx] + lea TMP0,[TMP0+2*TMP1] + COPY_8_TO_8 + lea TMP0,[TMP0+2*TMP1] COPY_8_TO_8 - lea ecx,[ecx+2*edx] + lea TMP0,[TMP0+2*TMP1] + COPY_8_TO_8 + ret +ENDFUNC + +;----------------------------------------------------------------------------- +; +; void transfer8x4_copy_mmx(uint8_t * const dst, +; const uint8_t * const src, +; const uint32_t stride); +; +; +;----------------------------------------------------------------------------- + +ALIGN SECTION_ALIGN +transfer8x4_copy_mmx: + mov TMP0, prm1 ; Dst + mov _EAX, prm2 ; Src + mov TMP1, prm3 ; Stride + COPY_8_TO_8 - lea ecx,[ecx+2*edx] + lea TMP0,[TMP0+2*TMP1] COPY_8_TO_8 ret +ENDFUNC + +NON_EXEC_STACK