[svn] / trunk / xvidcore / src / image / x86_asm / interpolate8x8_xmm.asm Repository:
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revision 1381, Thu Mar 18 16:11:28 2004 UTC revision 1382, Mon Mar 22 22:36:25 2004 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 <isibaar@xvid.org>
7    ; *               2002 Pascal Massimino <skal@planet-d.net>
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 15  Line 18 
18  ; *  ; *
19  ; *     You should have received a copy of the GNU General Public License  ; *     You should have received a copy of the GNU General Public License
20  ; *     along with this program; if not, write to the Free Software  ; *     along with this program; if not, write to the Free Software
21  ; *     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  ; *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 ; *  
 ; *************************************************************************/  
   
 ;/**************************************************************************  
 ; *  
 ; *     History:  
 ; *  
 ; * 04.06.2002  rewrote some funcs, mostly XMM.       -Skal-  
 ; *             Heavily tuned for overlap and AGI-stalls avoidance  
 ; * 04.02.2002  initial version (Isibaar)  
22  ; *  ; *
23  ; *************************************************************************/  ; ****************************************************************************/
24    
25    BITS 32
 bits 32  
26    
27  %macro cglobal 1  %macro cglobal 1
28          %ifdef PREFIX          %ifdef PREFIX
# Line 41  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 94  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 164  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 174  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 301  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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