[cvs] / xvidcore / src / image / x86_asm / interpolate8x8_xmm.asm Repository:
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revision 1.2, Fri Sep 6 17:48:58 2002 UTC revision 1.4.2.2, Mon Nov 3 15:51:50 2003 UTC
# Line 1  Line 1 
1  ;/*****************************************************************************  ;/*****************************************************************************
2  ; *  ; *
3  ; *  XVID MPEG-4 VIDEO CODEC  ; *  XVID MPEG-4 VIDEO CODEC
4  ; *      xmm 8x8 block-based halfpel interpolation  ; *  - mmx 8x8 block-based halfpel interpolation -
5  ; *  ; *
6  ; *  Copyright(C) 2002 Michael Militzer <michael@xvid.org>  ; *  Copyright(C) 2002 Michael Militzer <isibaar@xvid.org>
7  ; *  Copyright(C) 2002 -Skal-  ; *               2002 Pascal Massimino <skal@planet-d.net>
 ; *  
 ; *  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.  
8  ; *  ; *
9  ; *  This program is free software; you can redistribute it and/or modify  ; *  This program is free software; you can redistribute it and/or modify
10  ; *  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 31  Line 22 
22  ; *  ; *
23  ; ****************************************************************************/  ; ****************************************************************************/
24    
25  bits 32  BITS 32
26    
27  %macro cglobal 1  %macro cglobal 1
28          %ifdef PREFIX          %ifdef PREFIX
# Line 42  Line 33 
33          %endif          %endif
34  %endmacro  %endmacro
35    
36  section .data  ;=============================================================================
37    ; Read only data
38    ;=============================================================================
39    
40  align 16  %ifdef FORMAT_COFF
41    SECTION .rodata data
42    %else
43    SECTION .rodata data align=16
44    %endif
45    
46  mmx_one  ALIGN 16
47    mmx_one:
48  times 8 db 1  times 8 db 1
49    
50  section .text  SECTION .text
51    
52  cglobal interpolate8x8_halfpel_h_xmm  cglobal interpolate8x8_halfpel_h_xmm
53  cglobal interpolate8x8_halfpel_v_xmm  cglobal interpolate8x8_halfpel_v_xmm
# Line 95  Line 92 
92          movq [ecx+edx], mm1          movq [ecx+edx], mm1
93  %endmacro  %endmacro
94    
95  align 16  ALIGN 16
96  interpolate8x8_halfpel_h_xmm:  interpolate8x8_halfpel_h_xmm:
97    
98    mov eax, [esp+16]; rounding    mov eax, [esp+16]; rounding
# Line 165  Line 162 
162    movq [ecx+edx], mm1    movq [ecx+edx], mm1
163  %endmacro  %endmacro
164    
165  align 16  ALIGN 16
166  interpolate8x8_halfpel_v_xmm:  interpolate8x8_halfpel_v_xmm:
167    
168    mov eax, [esp+16]; rounding    mov eax, [esp+16]; rounding
# Line 175  Line 172 
172    mov edx, [esp+12] ; stride    mov edx, [esp+12] ; stride
173    
174      ; we process 2 line at a time      ; we process 2 line at a time
   
175    jnz near .rounding1    jnz near .rounding1
176    
177    COPY_V_SSE_RND0    COPY_V_SSE_RND0
# Line 302  Line 298 
298      movq [ecx], mm0      movq [ecx], mm0
299  %endmacro  %endmacro
300    
301  align 16  ALIGN 16
302  interpolate8x8_halfpel_hv_xmm:  interpolate8x8_halfpel_hv_xmm:
303    mov eax, [esp+16] ; rounding    mov eax, [esp+16] ; rounding
304    mov ecx, [esp+ 4] ; Dst    mov ecx, [esp+ 4] ; Dst
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