;/****************************************************************************; *; *  XVID MPEG-4 VIDEO CODEC; *  - SSE2 CBP computation -; *; *  Copyright (C) 2002 Daniel Smith <danielsmith@astroboymail.com>; *                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; *; * $Id$; *; ***************************************************************************/BITS 32;=============================================================================; Macros;=============================================================================%macro cglobal 1	%ifdef PREFIX		global _%1		%define %1 _%1	%else		global %1	%endif%endmacro%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%endmacro;=============================================================================; Data (Read Only);=============================================================================%ifdef FORMAT_COFFSECTION .rodata data%elseSECTION .rodata data align=16%endifALIGN 16ignore_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 16cglobal calc_cbp_sse2calc_cbp_sse2:  mov edx, [esp+4]         ; coeff[]  xor eax, eax             ; cbp = 0  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).blk2  LOOP_SSE2 1  test ecx, ecx  jz .blk3  or eax, (1<<4).blk3  LOOP_SSE2 2  test ecx, ecx  jz .blk4  or eax, (1<<3).blk4  LOOP_SSE2 3  test ecx, ecx  jz .blk5  or eax, (1<<2).blk5  LOOP_SSE2 4  test ecx, ecx  jz .blk6  or eax, (1<<1).blk6  LOOP_SSE2 5  test ecx, ecx  jz .finished  or eax, (1<<0).finished	ret