1 |
;/***************************************************************************** |
;/**************************************************************************** |
2 |
; * |
; * |
3 |
; * XVID MPEG-4 VIDEO CODEC |
; * XVID MPEG-4 VIDEO CODEC |
4 |
; * mmx sum of absolute difference |
; * - K7 optimized SAD operators - |
5 |
; * |
; * |
6 |
; * Copyright(C) 2002 Peter Ross <pross@xvid.org> |
; * Copyright(C) 2001 Peter Ross <pross@xvid.org> |
7 |
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; * 2002 Pascal Massimino <skal@planet-d.net> |
8 |
; * |
; * |
9 |
; * This program is an implementation of a part of one or more MPEG-4 |
; * This program is free software; you can redistribute it and/or modify it |
10 |
; * Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
; * under the terms of the GNU General Public License as published by |
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; * to use this software module in hardware or software products are |
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; * advised that its use may infringe existing patents or copyrights, and |
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; * any such use would be at such party's own risk. The original |
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; * developer of this software module and his/her company, and subsequent |
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; * editors and their companies, will have no liability for use of this |
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; * software or modifications or derivatives thereof. |
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; * |
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; * This program is free software; you can redistribute it and/or modify |
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; * it under the terms of the GNU General Public License as published by |
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11 |
; * the Free Software Foundation; either version 2 of the License, or |
; * the Free Software Foundation; either version 2 of the License, or |
12 |
; * (at your option) any later version. |
; * (at your option) any later version. |
13 |
; * |
; * |
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_mmx.asm,v 1.14 2004-07-24 11:46:08 edgomez Exp $ |
24 |
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; * |
25 |
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; ***************************************************************************/ |
26 |
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27 |
bits 32 |
BITS 32 |
28 |
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29 |
%macro cglobal 1 |
%macro cglobal 1 |
30 |
%ifdef PREFIX |
%ifdef PREFIX |
35 |
%endif |
%endif |
36 |
%endmacro |
%endmacro |
37 |
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38 |
section .data |
;============================================================================= |
39 |
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; Read only data |
40 |
align 16 |
;============================================================================= |
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mmx_one times 4 dw 1 |
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41 |
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42 |
section .text |
%ifdef FORMAT_COFF |
43 |
|
SECTION .rodata |
44 |
cglobal sad16_mmx |
%else |
45 |
cglobal sad8_mmx |
SECTION .rodata align=16 |
46 |
cglobal sad16bi_mmx |
%endif |
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cglobal sad8bi_mmx |
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cglobal dev16_mmx |
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47 |
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48 |
;=========================================================================== |
ALIGN 16 |
49 |
; |
mmx_one: |
50 |
; uint32_t sad16_mmx(const uint8_t * const cur, |
times 4 dw 1 |
51 |
; const uint8_t * const ref, |
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52 |
; const uint32_t stride, |
;============================================================================= |
53 |
; const uint32_t best_sad); |
; Helper macros |
54 |
; |
;============================================================================= |
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; (early termination ignore; slows this down) |
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; |
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;=========================================================================== |
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55 |
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56 |
%macro SAD_16x16_MMX 0 |
%macro SAD_16x16_MMX 0 |
57 |
movq mm0, [eax] |
movq mm0, [eax] |
86 |
paddusw mm6,mm2 |
paddusw mm6,mm2 |
87 |
%endmacro |
%endmacro |
88 |
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align 16 |
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sad16_mmx: |
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mov eax, [esp+ 4] ; Src1 |
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mov edx, [esp+ 8] ; Src2 |
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mov ecx, [esp+12] ; Stride |
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pxor mm6, mm6 ; accum |
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pxor mm7, mm7 ; zero |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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SAD_16x16_MMX |
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pmaddwd mm6, [mmx_one] ; collapse |
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movq mm7, mm6 |
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psrlq mm7, 32 |
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paddd mm6, mm7 |
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movd eax, mm6 |
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ret |
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;=========================================================================== |
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; |
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; uint32_t sad8_mmx(const uint8_t * const cur, |
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; const uint8_t * const ref, |
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; const uint32_t stride); |
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; |
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;=========================================================================== |
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89 |
%macro SAD_8x8_MMX 0 |
%macro SAD_8x8_MMX 0 |
90 |
movq mm0, [eax] |
movq mm0, [eax] |
91 |
movq mm1, [edx] |
movq mm1, [edx] |
120 |
paddusw mm6,mm2 |
paddusw mm6,mm2 |
121 |
%endmacro |
%endmacro |
122 |
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123 |
align 16 |
%macro SADV_16x16_MMX 0 |
124 |
sad8_mmx: |
movq mm0, [eax] |
125 |
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movq mm1, [edx] |
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mov eax, [esp+ 4] ; Src1 |
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mov edx, [esp+ 8] ; Src2 |
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mov ecx, [esp+12] ; Stride |
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126 |
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127 |
pxor mm6, mm6 ; accum |
movq mm2, [eax+8] |
128 |
pxor mm7, mm7 ; zero |
movq mm3, [edx+8] |
129 |
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130 |
SAD_8x8_MMX |
movq mm4, mm0 |
131 |
SAD_8x8_MMX |
psubusb mm0, mm1 |
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SAD_8x8_MMX |
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SAD_8x8_MMX |
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132 |
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133 |
pmaddwd mm6, [mmx_one] ; collapse |
psubusb mm1, mm4 |
134 |
movq mm7, mm6 |
por mm0, mm1 |
135 |
psrlq mm7, 32 |
lea eax,[eax+ecx] |
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paddd mm6, mm7 |
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136 |
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137 |
movd eax, mm6 |
movq mm4, mm2 |
138 |
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psubusb mm2, mm3 |
139 |
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140 |
ret |
psubusb mm3, mm4 |
141 |
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por mm2, mm3 |
142 |
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lea edx,[edx+ecx] |
143 |
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144 |
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movq mm1,mm0 |
145 |
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movq mm3,mm2 |
146 |
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147 |
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punpcklbw mm0,mm7 |
148 |
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punpckhbw mm1,mm7 |
149 |
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punpcklbw mm2,mm7 |
150 |
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punpckhbw mm3,mm7 |
151 |
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152 |
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paddusw mm0,mm1 |
153 |
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paddusw mm2,mm3 |
154 |
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155 |
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paddusw mm5, mm0 |
156 |
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paddusw mm6, mm2 |
157 |
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%endmacro |
158 |
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;=========================================================================== |
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; |
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; uint32_t sad16bi_mmx(const uint8_t * const cur, |
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; const uint8_t * const ref1, |
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; const uint8_t * const ref2, |
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; const uint32_t stride); |
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; |
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;=========================================================================== |
|
159 |
%macro SADBI_16x16_MMX 2 ; SADBI_16x16_MMX( int_ptr_offset, bool_increment_ptr ); |
%macro SADBI_16x16_MMX 2 ; SADBI_16x16_MMX( int_ptr_offset, bool_increment_ptr ); |
160 |
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161 |
movq mm0, [edx+%1] |
movq mm0, [edx+%1] |
206 |
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207 |
%endmacro |
%endmacro |
208 |
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209 |
align 16 |
%macro MEAN_16x16_MMX 0 |
210 |
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movq mm0, [eax] |
211 |
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movq mm2, [eax+8] |
212 |
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lea eax, [eax+ecx] |
213 |
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movq mm1, mm0 |
214 |
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movq mm3, mm2 |
215 |
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punpcklbw mm0, mm7 |
216 |
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punpcklbw mm2, mm7 |
217 |
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punpckhbw mm1, mm7 |
218 |
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punpckhbw mm3, mm7 |
219 |
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paddw mm5, mm0 |
220 |
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paddw mm6, mm1 |
221 |
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paddw mm5, mm2 |
222 |
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paddw mm6, mm3 |
223 |
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%endmacro |
224 |
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225 |
|
%macro ABS_16x16_MMX 0 |
226 |
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movq mm0, [eax] |
227 |
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movq mm2, [eax+8] |
228 |
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lea eax, [eax+ecx] |
229 |
|
movq mm1, mm0 |
230 |
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movq mm3, mm2 |
231 |
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punpcklbw mm0, mm7 |
232 |
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punpcklbw mm2, mm7 |
233 |
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punpckhbw mm1, mm7 |
234 |
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punpckhbw mm3, mm7 |
235 |
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movq mm4, mm6 |
236 |
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psubusw mm4, mm0 |
237 |
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238 |
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psubusw mm0, mm6 |
239 |
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por mm0, mm4 |
240 |
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movq mm4, mm6 |
241 |
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psubusw mm4, mm1 |
242 |
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psubusw mm1, mm6 |
243 |
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por mm1, mm4 |
244 |
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245 |
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movq mm4, mm6 |
246 |
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psubusw mm4, mm2 |
247 |
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psubusw mm2, mm6 |
248 |
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por mm2, mm4 |
249 |
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movq mm4, mm6 |
250 |
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psubusw mm4, mm3 |
251 |
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psubusw mm3, mm6 |
252 |
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por mm3, mm4 |
253 |
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254 |
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paddw mm0, mm1 |
255 |
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paddw mm2, mm3 |
256 |
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paddw mm5, mm0 |
257 |
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paddw mm5, mm2 |
258 |
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%endmacro |
259 |
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260 |
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;============================================================================= |
261 |
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; Code |
262 |
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;============================================================================= |
263 |
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264 |
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SECTION .text |
265 |
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266 |
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cglobal sad16_mmx |
267 |
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cglobal sad16v_mmx |
268 |
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cglobal sad8_mmx |
269 |
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cglobal sad16bi_mmx |
270 |
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cglobal sad8bi_mmx |
271 |
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cglobal dev16_mmx |
272 |
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cglobal sse8_16bit_mmx |
273 |
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cglobal sse8_8bit_mmx |
274 |
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275 |
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;----------------------------------------------------------------------------- |
276 |
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; |
277 |
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; uint32_t sad16_mmx(const uint8_t * const cur, |
278 |
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; const uint8_t * const ref, |
279 |
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; const uint32_t stride, |
280 |
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; const uint32_t best_sad); |
281 |
|
; |
282 |
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; (early termination ignore; slows this down) |
283 |
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; |
284 |
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;----------------------------------------------------------------------------- |
285 |
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286 |
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ALIGN 16 |
287 |
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sad16_mmx: |
288 |
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289 |
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mov eax, [esp+ 4] ; Src1 |
290 |
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mov edx, [esp+ 8] ; Src2 |
291 |
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mov ecx, [esp+12] ; Stride |
292 |
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293 |
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pxor mm6, mm6 ; accum |
294 |
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pxor mm7, mm7 ; zero |
295 |
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296 |
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SAD_16x16_MMX |
297 |
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SAD_16x16_MMX |
298 |
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SAD_16x16_MMX |
299 |
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SAD_16x16_MMX |
300 |
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SAD_16x16_MMX |
301 |
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SAD_16x16_MMX |
302 |
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SAD_16x16_MMX |
303 |
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SAD_16x16_MMX |
304 |
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305 |
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SAD_16x16_MMX |
306 |
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SAD_16x16_MMX |
307 |
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SAD_16x16_MMX |
308 |
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SAD_16x16_MMX |
309 |
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SAD_16x16_MMX |
310 |
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SAD_16x16_MMX |
311 |
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SAD_16x16_MMX |
312 |
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SAD_16x16_MMX |
313 |
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314 |
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pmaddwd mm6, [mmx_one] ; collapse |
315 |
|
movq mm7, mm6 |
316 |
|
psrlq mm7, 32 |
317 |
|
paddd mm6, mm7 |
318 |
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319 |
|
movd eax, mm6 |
320 |
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321 |
|
ret |
322 |
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323 |
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;----------------------------------------------------------------------------- |
324 |
|
; |
325 |
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; uint32_t sad8_mmx(const uint8_t * const cur, |
326 |
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; const uint8_t * const ref, |
327 |
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; const uint32_t stride); |
328 |
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; |
329 |
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;----------------------------------------------------------------------------- |
330 |
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331 |
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ALIGN 16 |
332 |
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sad8_mmx: |
333 |
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334 |
|
mov eax, [esp+ 4] ; Src1 |
335 |
|
mov edx, [esp+ 8] ; Src2 |
336 |
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mov ecx, [esp+12] ; Stride |
337 |
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|
338 |
|
pxor mm6, mm6 ; accum |
339 |
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pxor mm7, mm7 ; zero |
340 |
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|
341 |
|
SAD_8x8_MMX |
342 |
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SAD_8x8_MMX |
343 |
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SAD_8x8_MMX |
344 |
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SAD_8x8_MMX |
345 |
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346 |
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pmaddwd mm6, [mmx_one] ; collapse |
347 |
|
movq mm7, mm6 |
348 |
|
psrlq mm7, 32 |
349 |
|
paddd mm6, mm7 |
350 |
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|
351 |
|
movd eax, mm6 |
352 |
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353 |
|
ret |
354 |
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355 |
|
;----------------------------------------------------------------------------- |
356 |
|
; |
357 |
|
; uint32_t sad16v_mmx(const uint8_t * const cur, |
358 |
|
; const uint8_t * const ref, |
359 |
|
; const uint32_t stride, |
360 |
|
; int32_t *sad); |
361 |
|
; |
362 |
|
;----------------------------------------------------------------------------- |
363 |
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364 |
|
ALIGN 16 |
365 |
|
sad16v_mmx: |
366 |
|
|
367 |
|
push ebx |
368 |
|
push edi |
369 |
|
|
370 |
|
mov eax, [esp + 8 + 4] ; Src1 |
371 |
|
mov edx, [esp + 8 + 8] ; Src2 |
372 |
|
mov ecx, [esp + 8 + 12] ; Stride |
373 |
|
mov ebx, [esp + 8 + 16] ; sad ptr |
374 |
|
|
375 |
|
pxor mm5, mm5 ; accum |
376 |
|
pxor mm6, mm6 ; accum |
377 |
|
pxor mm7, mm7 ; zero |
378 |
|
|
379 |
|
SADV_16x16_MMX |
380 |
|
SADV_16x16_MMX |
381 |
|
SADV_16x16_MMX |
382 |
|
SADV_16x16_MMX |
383 |
|
SADV_16x16_MMX |
384 |
|
SADV_16x16_MMX |
385 |
|
SADV_16x16_MMX |
386 |
|
SADV_16x16_MMX |
387 |
|
|
388 |
|
pmaddwd mm5, [mmx_one] ; collapse |
389 |
|
pmaddwd mm6, [mmx_one] ; collapse |
390 |
|
|
391 |
|
movq mm2, mm5 |
392 |
|
movq mm3, mm6 |
393 |
|
|
394 |
|
psrlq mm2, 32 |
395 |
|
psrlq mm3, 32 |
396 |
|
|
397 |
|
paddd mm5, mm2 |
398 |
|
paddd mm6, mm3 |
399 |
|
|
400 |
|
movd [ebx], mm5 |
401 |
|
movd [ebx + 4], mm6 |
402 |
|
|
403 |
|
paddd mm5, mm6 |
404 |
|
|
405 |
|
movd edi, mm5 |
406 |
|
|
407 |
|
pxor mm5, mm5 |
408 |
|
pxor mm6, mm6 |
409 |
|
|
410 |
|
SADV_16x16_MMX |
411 |
|
SADV_16x16_MMX |
412 |
|
SADV_16x16_MMX |
413 |
|
SADV_16x16_MMX |
414 |
|
SADV_16x16_MMX |
415 |
|
SADV_16x16_MMX |
416 |
|
SADV_16x16_MMX |
417 |
|
SADV_16x16_MMX |
418 |
|
|
419 |
|
pmaddwd mm5, [mmx_one] ; collapse |
420 |
|
pmaddwd mm6, [mmx_one] ; collapse |
421 |
|
|
422 |
|
movq mm2, mm5 |
423 |
|
movq mm3, mm6 |
424 |
|
|
425 |
|
psrlq mm2, 32 |
426 |
|
psrlq mm3, 32 |
427 |
|
|
428 |
|
paddd mm5, mm2 |
429 |
|
paddd mm6, mm3 |
430 |
|
|
431 |
|
movd [ebx + 8], mm5 |
432 |
|
movd [ebx + 12], mm6 |
433 |
|
|
434 |
|
paddd mm5, mm6 |
435 |
|
|
436 |
|
movd eax, mm5 |
437 |
|
|
438 |
|
add eax, edi |
439 |
|
|
440 |
|
pop edi |
441 |
|
pop ebx |
442 |
|
|
443 |
|
ret |
444 |
|
|
445 |
|
;----------------------------------------------------------------------------- |
446 |
|
; |
447 |
|
; uint32_t sad16bi_mmx(const uint8_t * const cur, |
448 |
|
; const uint8_t * const ref1, |
449 |
|
; const uint8_t * const ref2, |
450 |
|
; const uint32_t stride); |
451 |
|
; |
452 |
|
;----------------------------------------------------------------------------- |
453 |
|
|
454 |
|
ALIGN 16 |
455 |
sad16bi_mmx: |
sad16bi_mmx: |
456 |
push ebx |
push ebx |
457 |
mov eax, [esp+4+ 4] ; Src |
mov eax, [esp+4+ 4] ; Src |
503 |
|
|
504 |
movd eax, mm6 |
movd eax, mm6 |
505 |
pop ebx |
pop ebx |
506 |
|
|
507 |
ret |
ret |
508 |
|
|
509 |
;=========================================================================== |
;----------------------------------------------------------------------------- |
510 |
; |
; |
511 |
; uint32_t sad8bi_mmx(const uint8_t * const cur, |
; uint32_t sad8bi_mmx(const uint8_t * const cur, |
512 |
; const uint8_t * const ref1, |
; const uint8_t * const ref1, |
513 |
; const uint8_t * const ref2, |
; const uint8_t * const ref2, |
514 |
; const uint32_t stride); |
; const uint32_t stride); |
515 |
; |
; |
516 |
;=========================================================================== |
;----------------------------------------------------------------------------- |
517 |
align 16 |
|
518 |
|
ALIGN 16 |
519 |
sad8bi_mmx: |
sad8bi_mmx: |
520 |
push ebx |
push ebx |
521 |
mov eax, [esp+4+ 4] ; Src |
mov eax, [esp+4+ 4] ; Src |
544 |
pop ebx |
pop ebx |
545 |
ret |
ret |
546 |
|
|
547 |
|
;----------------------------------------------------------------------------- |
|
|
|
|
|
|
|
;=========================================================================== |
|
548 |
; |
; |
549 |
; uint32_t dev16_mmx(const uint8_t * const cur, |
; uint32_t dev16_mmx(const uint8_t * const cur, |
550 |
; const uint32_t stride); |
; const uint32_t stride); |
551 |
; |
; |
552 |
;=========================================================================== |
;----------------------------------------------------------------------------- |
|
|
|
|
%macro MEAN_16x16_MMX 0 |
|
|
movq mm0, [eax] |
|
|
movq mm2, [eax+8] |
|
|
lea eax,[eax+ecx] |
|
|
movq mm1, mm0 |
|
|
movq mm3, mm2 |
|
|
punpcklbw mm0,mm7 |
|
|
punpcklbw mm2,mm7 |
|
|
punpckhbw mm1,mm7 |
|
|
punpckhbw mm3,mm7 |
|
|
paddw mm5, mm0 |
|
|
paddw mm6, mm1 |
|
|
paddw mm5, mm2 |
|
|
paddw mm6, mm3 |
|
|
%endmacro |
|
|
|
|
|
%macro ABS_16x16_MMX 0 |
|
|
movq mm0, [eax] |
|
|
movq mm2, [eax+8] |
|
|
lea eax,[eax+ecx] |
|
|
movq mm1, mm0 |
|
|
movq mm3, mm2 |
|
|
punpcklbw mm0, mm7 |
|
|
punpcklbw mm2, mm7 |
|
|
punpckhbw mm1, mm7 |
|
|
punpckhbw mm3, mm7 |
|
|
movq mm4, mm6 |
|
|
psubusw mm4, mm0 |
|
|
|
|
|
psubusw mm0, mm6 |
|
|
por mm0, mm4 |
|
|
movq mm4, mm6 |
|
|
psubusw mm4, mm1 |
|
|
psubusw mm1, mm6 |
|
|
por mm1, mm4 |
|
|
|
|
|
movq mm4, mm6 |
|
|
psubusw mm4, mm2 |
|
|
psubusw mm2, mm6 |
|
|
por mm2, mm4 |
|
|
movq mm4, mm6 |
|
|
psubusw mm4, mm3 |
|
|
psubusw mm3, mm6 |
|
|
por mm3, mm4 |
|
|
|
|
|
paddw mm0, mm1 |
|
|
paddw mm2, mm3 |
|
|
paddw mm5, mm0 |
|
|
paddw mm5, mm2 |
|
|
%endmacro |
|
553 |
|
|
554 |
align 16 |
ALIGN 16 |
555 |
dev16_mmx: |
dev16_mmx: |
556 |
mov eax, [esp+ 4] ; Src |
mov eax, [esp+ 4] ; Src |
557 |
mov ecx, [esp+ 8] ; Stride |
mov ecx, [esp+ 8] ; Stride |
620 |
paddd mm6, mm5 |
paddd mm6, mm5 |
621 |
|
|
622 |
movd eax, mm6 |
movd eax, mm6 |
623 |
|
|
624 |
|
ret |
625 |
|
|
626 |
|
;----------------------------------------------------------------------------- |
627 |
|
; |
628 |
|
; uint32_t sse8_16bit_mmx(const int16_t *b1, |
629 |
|
; const int16_t *b2, |
630 |
|
; const uint32_t stride); |
631 |
|
; |
632 |
|
;----------------------------------------------------------------------------- |
633 |
|
|
634 |
|
%macro ROW_SSE_16bit_MMX 2 |
635 |
|
movq mm0, [%1] |
636 |
|
movq mm1, [%1+8] |
637 |
|
psubw mm0, [%2] |
638 |
|
psubw mm1, [%2+8] |
639 |
|
pmaddwd mm0, mm0 |
640 |
|
pmaddwd mm1, mm1 |
641 |
|
paddd mm2, mm0 |
642 |
|
paddd mm2, mm1 |
643 |
|
%endmacro |
644 |
|
|
645 |
|
sse8_16bit_mmx: |
646 |
|
push esi |
647 |
|
push edi |
648 |
|
|
649 |
|
;; Load the function params |
650 |
|
mov esi, [esp+8+4] |
651 |
|
mov edi, [esp+8+8] |
652 |
|
mov edx, [esp+8+12] |
653 |
|
|
654 |
|
;; Reset the sse accumulator |
655 |
|
pxor mm2, mm2 |
656 |
|
|
657 |
|
;; Let's go |
658 |
|
%rep 8 |
659 |
|
ROW_SSE_16bit_MMX esi, edi |
660 |
|
lea esi, [esi+edx] |
661 |
|
lea edi, [edi+edx] |
662 |
|
%endrep |
663 |
|
|
664 |
|
;; Finish adding each dword of the accumulator |
665 |
|
movq mm3, mm2 |
666 |
|
psrlq mm2, 32 |
667 |
|
paddd mm2, mm3 |
668 |
|
movd eax, mm2 |
669 |
|
|
670 |
|
;; All done |
671 |
|
pop edi |
672 |
|
pop esi |
673 |
ret |
ret |
674 |
|
|
675 |
|
;----------------------------------------------------------------------------- |
676 |
|
; |
677 |
|
; uint32_t sse8_8bit_mmx(const int8_t *b1, |
678 |
|
; const int8_t *b2, |
679 |
|
; const uint32_t stride); |
680 |
|
; |
681 |
|
;----------------------------------------------------------------------------- |
682 |
|
|
683 |
|
%macro ROW_SSE_8bit_MMX 2 |
684 |
|
movq mm0, [%1] ; load a row |
685 |
|
movq mm2, [%2] ; load a row |
686 |
|
|
687 |
|
movq mm1, mm0 ; copy row |
688 |
|
movq mm3, mm2 ; copy row |
689 |
|
|
690 |
|
punpcklbw mm0, mm7 ; turn the 4low elements into 16bit |
691 |
|
punpckhbw mm1, mm7 ; turn the 4high elements into 16bit |
692 |
|
|
693 |
|
punpcklbw mm2, mm7 ; turn the 4low elements into 16bit |
694 |
|
punpckhbw mm3, mm7 ; turn the 4high elements into 16bit |
695 |
|
|
696 |
|
psubw mm0, mm2 ; low part of src-dst |
697 |
|
psubw mm1, mm3 ; high part of src-dst |
698 |
|
|
699 |
|
pmaddwd mm0, mm0 ; compute the square sum |
700 |
|
pmaddwd mm1, mm1 ; compute the square sum |
701 |
|
|
702 |
|
paddd mm6, mm0 ; add to the accumulator |
703 |
|
paddd mm6, mm1 ; add to the accumulator |
704 |
|
%endmacro |
705 |
|
|
706 |
|
sse8_8bit_mmx: |
707 |
|
push esi |
708 |
|
push edi |
709 |
|
|
710 |
|
;; Load the function params |
711 |
|
mov esi, [esp+8+4] |
712 |
|
mov edi, [esp+8+8] |
713 |
|
mov edx, [esp+8+12] |
714 |
|
|
715 |
|
;; Reset the sse accumulator |
716 |
|
pxor mm6, mm6 |
717 |
|
|
718 |
|
;; Used to interleave 8bit data with 0x00 values |
719 |
|
pxor mm7, mm7 |
720 |
|
|
721 |
|
;; Let's go |
722 |
|
%rep 8 |
723 |
|
ROW_SSE_8bit_MMX esi, edi |
724 |
|
lea esi, [esi+edx] |
725 |
|
lea edi, [edi+edx] |
726 |
|
%endrep |
727 |
|
|
728 |
|
;; Finish adding each dword of the accumulator |
729 |
|
movq mm7, mm6 |
730 |
|
psrlq mm6, 32 |
731 |
|
paddd mm6, mm7 |
732 |
|
movd eax, mm6 |
733 |
|
|
734 |
|
;; All done |
735 |
|
pop edi |
736 |
|
pop esi |
737 |
|
ret |