--- trunk/xvidcore/src/bitstream/x86_asm/cbp_sse2.asm 2002/11/17 00:57:58 655 +++ trunk/xvidcore/src/bitstream/x86_asm/cbp_sse2.asm 2004/08/29 10:02:38 1540 @@ -1,144 +1,142 @@ -;/************************************************************************** +;/**************************************************************************** ; * ; * XVID MPEG-4 VIDEO CODEC -; * sse2 cbp calc +; * - SSE2 CBP computation - ; * -; * This file is part of XviD, a free MPEG-4 video encoder/decoder +; * Copyright (C) 2002 Daniel Smith +; * 2002 Pascal Massimino ; * -; * XviD 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 +; * 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 +; * 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 +; * along with this program ; if not, write to the Free Software ; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ; * -; * Under section 8 of the GNU General Public License, the copyright -; * holders of XVID explicitly forbid distribution in the following -; * countries: -; * -; * - Japan -; * - United States of America -; * -; * Linking XviD statically or dynamically with other modules is making a -; * combined work based on XviD. Thus, the terms and conditions of the -; * GNU General Public License cover the whole combination. -; * -; * As a special exception, the copyright holders of XviD give you -; * permission to link XviD with independent modules that communicate with -; * XviD solely through the VFW1.1 and DShow interfaces, regardless of the -; * license terms of these independent modules, and to copy and distribute -; * the resulting combined work under terms of your choice, provided that -; * every copy of the combined work is accompanied by a complete copy of -; * the source code of XviD (the version of XviD used to produce the -; * combined work), being distributed under the terms of the GNU General -; * Public License plus this exception. An independent module is a module -; * which is not derived from or based on XviD. -; * -; * Note that people who make modified versions of XviD are not obligated -; * to grant this special exception for their modified versions; it is -; * their choice whether to do so. The GNU General Public License gives -; * permission to release a modified version without this exception; this -; * exception also makes it possible to release a modified version which -; * carries forward this exception. +; * $Id: cbp_sse2.asm,v 1.7 2004-08-29 10:02:38 edgomez Exp $ ; * -; * $Id: cbp_sse2.asm,v 1.2 2002-11-17 00:57:58 edgomez Exp $ -; * -; *************************************************************************/ +; ***************************************************************************/ -bits 32 +BITS 32 -section .data +;============================================================================= +; Macros +;============================================================================= %macro cglobal 1 %ifdef PREFIX - global _%1 - %define %1 _%1 + %ifdef MARK_FUNCS + global _%1:function %1.endfunc-%1 + %define %1 _%1:function %1.endfunc-%1 + %else + global _%1 + %define %1 _%1 + %endif %else - global %1 + %ifdef MARK_FUNCS + global %1:function %1.endfunc-%1 + %else + global %1 + %endif %endif %endmacro -align 16 - -ignore_dc dw 0, -1, -1, -1, -1, -1, -1, -1 - -section .text - -cglobal calc_cbp_sse2 - -;=========================================================================== -; -; uint32_t calc_cbp_sse2(const int16_t coeff[6][64]); -; -; not enabled - slower than mmx? -; -;=========================================================================== - %macro LOOP_SSE2 1 - movdqa xmm0, [edx+(%1)*128] - pand xmm0, xmm7 - movdqa xmm1, [edx+(%1)*128+16] - - por xmm0, [edx+(%1)*128+32] - por xmm1, [edx+(%1)*128+48] - por xmm0, [edx+(%1)*128+64] - por xmm1, [edx+(%1)*128+80] - por xmm0, [edx+(%1)*128+96] - por xmm1, [edx+(%1)*128+112] - - por xmm0, xmm1 ; xmm0 = xmm1 = 128 bits worth of info - psadbw xmm0, xmm6 ; contains 2 dwords with sums - movhlps xmm1, xmm0 ; move high dword from xmm0 to low xmm1 - por xmm0, xmm1 ; combine - movd ecx, xmm0 ; if ecx set, values were found - test ecx, ecx + movdqa xmm0, [edx+(%1)*128] + pand xmm0, xmm7 + movdqa xmm1, [edx+(%1)*128+16] + + por xmm0, [edx+(%1)*128+32] + por xmm1, [edx+(%1)*128+48] + por xmm0, [edx+(%1)*128+64] + por xmm1, [edx+(%1)*128+80] + por xmm0, [edx+(%1)*128+96] + por xmm1, [edx+(%1)*128+112] + + por xmm0, xmm1 ; xmm0 = xmm1 = 128 bits worth of info + psadbw xmm0, xmm6 ; contains 2 dwords with sums + movhlps xmm1, xmm0 ; move high dword from xmm0 to low xmm1 + por xmm0, xmm1 ; combine + movd ecx, xmm0 ; if ecx set, values were found + test ecx, ecx %endmacro -align 16 +;============================================================================= +; Data (Read Only) +;============================================================================= + +%ifdef FORMAT_COFF +SECTION .rodata +%else +SECTION .rodata align=16 +%endif + +ALIGN 16 +ignore_dc: + dw 0, -1, -1, -1, -1, -1, -1, -1 + +;============================================================================= +; Code +;============================================================================= + +SECTION .text + +;----------------------------------------------------------------------------- +; uint32_t calc_cbp_sse2(const int16_t coeff[6*64]); +;----------------------------------------------------------------------------- +ALIGN 16 +cglobal calc_cbp_sse2 calc_cbp_sse2: - mov edx, [esp+4] ; coeff[] - xor eax, eax ; cbp = 0 + mov edx, [esp+4] ; coeff[] + xor eax, eax ; cbp = 0 - movdqu xmm7, [ignore_dc] ; mask to ignore dc value - pxor xmm6, xmm6 ; zero + movdqu xmm7, [ignore_dc] ; mask to ignore dc value + pxor xmm6, xmm6 ; zero LOOP_SSE2 0 - test ecx, ecx - jz .blk2 - or eax, (1<<5) + test ecx, ecx + jz .blk2 + or eax, (1<<5) + .blk2 LOOP_SSE2 1 - test ecx, ecx - jz .blk3 + test ecx, ecx + jz .blk3 or eax, (1<<4) + .blk3 LOOP_SSE2 2 - test ecx, ecx - jz .blk4 + test ecx, ecx + jz .blk4 or eax, (1<<3) + .blk4 LOOP_SSE2 3 - test ecx, ecx - jz .blk5 + test ecx, ecx + jz .blk5 or eax, (1<<2) + .blk5 LOOP_SSE2 4 - test ecx, ecx - jz .blk6 + test ecx, ecx + jz .blk6 or eax, (1<<1) + .blk6 LOOP_SSE2 5 - test ecx, ecx - jz .finished + test ecx, ecx + jz .finished or eax, (1<<0) + .finished - - ret + ret +.endfunc +