[svn] / branches / dev-api-4 / xvidcore / src / motion / x86_asm / sad_sse2.asm Repository:
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revision 1198, Mon Nov 3 15:51:50 2003 UTC revision 1199, Mon Nov 3 19:58:16 2003 UTC
# Line 20  Line 20 
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA  ; *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22  ; *  ; *
23  ; * $Id: sad_sse2.asm,v 1.8.2.2 2003-11-03 15:51:50 edgomez Exp $  ; * $Id: sad_sse2.asm,v 1.8.2.3 2003-11-03 19:58:16 edgomez Exp $
24  ; *  ; *
25  ; ***************************************************************************/  ; ***************************************************************************/
26    
# Line 78  Line 78 
78    paddusw xmm6,xmm1    paddusw xmm6,xmm1
79  %endmacro  %endmacro
80    
81  align 16  ALIGN 16
82  sad16_sse2:  sad16_sse2:
83    mov eax, [esp+ 4] ; cur (assumed aligned)    mov eax, [esp+ 4] ; cur (assumed aligned)
84    mov edx, [esp+ 8] ; ref    mov edx, [esp+ 8] ; ref
# Line 116  Line 116 
116  %endmacro  %endmacro
117    
118    
119  align 16  ALIGN 16
120  dev16_sse2:  dev16_sse2:
121    mov eax, [esp+ 4]   ; src    mov eax, [esp+ 4]   ; src
122    mov ecx, [esp+ 8]   ; stride    mov ecx, [esp+ 8]   ; stride
# Line 136  Line 136 
136    
137    mov eax, [esp+ 4]       ; src again    mov eax, [esp+ 4]       ; src again
138    
139    pshufd   xmm7, xmm6, 0010b    pshufd   xmm7, xmm6, 10b
140    paddusw  xmm7, xmm6    paddusw  xmm7, xmm6
141    pxor     xmm6, xmm6     ; zero accum    pxor     xmm6, xmm6     ; zero accum
142    psrlw    xmm7, 8        ; => Mean    psrlw    xmm7, 8        ; => Mean
143    pshuflw  xmm7, xmm7, 0  ; replicate Mean    pshuflw  xmm7, xmm7, 0  ; replicate Mean
144    packuswb xmm7,xmm7    packuswb xmm7,xmm7
145      pshufd   xmm7, xmm7, 00000000b
146    
147    MEAN_16x16_SSE2    MEAN_16x16_SSE2
148    MEAN_16x16_SSE2    MEAN_16x16_SSE2
# Line 153  Line 154 
154    MEAN_16x16_SSE2    MEAN_16x16_SSE2
155    MEAN_16x16_SSE2    MEAN_16x16_SSE2
156    
157    pshufd  xmm5, xmm6, 0010b    pshufd   xmm7, xmm6, 10b
158    paddusw xmm6, xmm5    paddusw  xmm7, xmm6
159    pextrw  eax, xmm6, 0    pextrw eax, xmm7, 0
   
160    ret    ret
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