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revision 1191, Mon Oct 27 01:03:43 2003 UTC revision 1192, Tue Oct 28 22:23:03 2003 UTC
# Line 1  Line 1 
1  ;/**************************************************************************  ;/****************************************************************************
2  ; *  ; *
3  ; *     XVID MPEG-4 VIDEO CODEC  ; *     XVID MPEG-4 VIDEO CODEC
4  ; *     mmx cbp calc  ; *  - 3dne CBP computation -
5  ; *  ; *
6  ; *     This program is an implementation of a part of one or more MPEG-4  ; *  Copyright (C) 2002 Jaan Kalda
 ; *     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.  
7  ; *  ; *
8  ; *     This program is free software; you can redistribute it and/or modify  ; *     This program is free software; you can redistribute it and/or modify
9  ; *     it under the terms of the GNU General Public License as published by  ; *     it under the terms of the GNU General Public License as published by
# Line 24  Line 17 
17  ; *  ; *
18  ; *     You should have received a copy of the GNU General Public License  ; *     You should have received a copy of the GNU General Public License
19  ; *     along with this program; if not, write to the Free Software  ; *     along with this program; if not, write to the Free Software
20  ; *     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  ; *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  ; *  ; *
22  ; *************************************************************************/  ; * $Id: cbp_3dne.asm,v 1.2.2.1 2003-10-28 22:23:03 edgomez Exp $
23    ; *
24    ; ***************************************************************************/
25    
26    ; these 3dne functions are compatible with iSSE, but are optimized
27    ; specifically for K7 pipelines
28    
29  ; these 3dne functions are compatible with iSSE, but are optimized specifically for  BITS 32
 ; K7 pipelines  
 ;  
 ;------------------------------------------------------------------------------  
 ; 09.12.2002  Athlon optimizations contributed by Jaan Kalda  
 ;------------------------------------------------------------------------------  
30    
31  bits 32  ;=============================================================================
32    ; Macros
33    ;=============================================================================
34    
 section .data  
35  %macro cglobal 1  %macro cglobal 1
36          %ifdef PREFIX          %ifdef PREFIX
37                  global _%1                  global _%1
# Line 48  Line 41 
41          %endif          %endif
42  %endmacro  %endmacro
43    
 section .text  
   
 cglobal calc_cbp_3dne  
44    
 ;===========================================================================  
 ;  
 ; uint32_t calc_cbp_3dne(const int16_t coeff[6][64]);  
 ;  
 ;===========================================================================  
45  %macro calc_cbp 1  %macro calc_cbp 1
46    pshufw        mm0, [eax], 229 ; =11100101    pshufw        mm0, [eax], 229 ; =11100101
47    movq          mm1, [eax+8]    movq          mm1, [eax+8]
# Line 91  Line 76 
76    movd          [esp+%1*4],mm7    movd          [esp+%1*4],mm7
77  %endmacro  %endmacro
78    
79    ;=============================================================================
80    ; Code
81    ;=============================================================================
82    
83    SECTION .text
84    
85    cglobal calc_cbp_3dne
86    
87    ;-----------------------------------------------------------------------------
88    ; uint32_t calc_cbp_3dne(const int16_t coeff[6*64]);
89    ;-----------------------------------------------------------------------------
90    ;AMD K7, in cache: ca 80 clk
91    
92  align 16 ;AMD K7, in cache: ca 80 clk  ALIGN 16
93  calc_cbp_3dne:  calc_cbp_3dne:
94     mov   eax, [esp+ 4]  ; coeff     mov   eax, [esp+ 4]  ; coeff
95    lea   esp,[esp-24]    lea   esp,[esp-24]

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