| 5 |
; * |
; * |
| 6 |
; * Copyright(C) 2001-2003 Peter Ross <pross@xvid.org> |
; * Copyright(C) 2001-2003 Peter Ross <pross@xvid.org> |
| 7 |
; * 2002-2003 Pascal Massimino <skal@planet-d.net> |
; * 2002-2003 Pascal Massimino <skal@planet-d.net> |
| 8 |
|
; * 2004 Jean-Marc Bastide <jmtest@voila.fr> |
| 9 |
; * |
; * |
| 10 |
; * This program is free software ; you can redistribute it and/or modify |
; * This program is free software ; you can redistribute it and/or modify |
| 11 |
; * 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 |
| 21 |
; * along with this program ; if not, write to the Free Software |
; * along with this program ; if not, write to the Free Software |
| 22 |
; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 23 |
; * |
; * |
| 24 |
; * $Id: quantize_h263_mmx.asm,v 1.2 2004-03-22 22:36:24 edgomez Exp $ |
; * $Id: quantize_h263_mmx.asm,v 1.3 2004-04-12 15:49:56 edgomez Exp $ |
| 25 |
; * |
; * |
| 26 |
; ****************************************************************************/ |
; ****************************************************************************/ |
| 27 |
|
|
| 55 |
|
|
| 56 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 57 |
; |
; |
| 58 |
; subtract by Q/2 table |
; quant table |
| 59 |
; |
; |
| 60 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 61 |
|
|
| 62 |
ALIGN 16 |
ALIGN 16 |
| 63 |
mmx_sub: |
mmx_quant: |
| 64 |
%assign quant 1 |
%assign quant 0 |
| 65 |
%rep 31 |
%rep 32 |
| 66 |
times 4 dw quant / 2 |
times 4 dw quant |
| 67 |
%assign quant quant+1 |
%assign quant quant+1 |
| 68 |
%endrep |
%endrep |
| 69 |
|
|
| 70 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 71 |
; |
; |
| 72 |
; divide by 2Q table |
; subtract by Q/2 table |
|
; |
|
|
; use a shift of 16 to take full advantage of _pmulhw_ |
|
|
; for q=1, _pmulhw_ will overflow so it is treated seperately |
|
|
; (3dnow2 provides _pmulhuw_ which wont cause overflow) |
|
| 73 |
; |
; |
| 74 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 75 |
|
|
| 76 |
ALIGN 16 |
ALIGN 16 |
| 77 |
mmx_div: |
mmx_sub: |
| 78 |
%assign quant 1 |
%assign quant 1 |
| 79 |
%rep 31 |
%rep 31 |
| 80 |
times 4 dw (1<<16) / (quant*2) + 1 |
times 4 dw quant / 2 |
| 81 |
%assign quant quant+1 |
%assign quant quant+1 |
| 82 |
%endrep |
%endrep |
| 83 |
|
|
| 84 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 85 |
; |
; |
| 86 |
; add by (odd(Q) ? Q : Q - 1) table |
; divide by 2Q table |
|
; |
|
|
;----------------------------------------------------------------------------- |
|
|
|
|
|
ALIGN 16 |
|
|
mmx_add: |
|
|
%assign quant 1 |
|
|
%rep 31 |
|
|
%if quant % 2 != 0 |
|
|
times 4 dw quant |
|
|
%else |
|
|
times 4 dw quant - 1 |
|
|
%endif |
|
|
%assign quant quant+1 |
|
|
%endrep |
|
|
|
|
|
;----------------------------------------------------------------------------- |
|
| 87 |
; |
; |
| 88 |
; multiple by 2Q table |
; use a shift of 16 to take full advantage of _pmulhw_ |
| 89 |
|
; for q=1, _pmulhw_ will overflow so it is treated seperately |
| 90 |
|
; (3dnow2 provides _pmulhuw_ which wont cause overflow) |
| 91 |
; |
; |
| 92 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 93 |
|
|
| 94 |
ALIGN 16 |
ALIGN 16 |
| 95 |
mmx_mul: |
mmx_div: |
| 96 |
%assign quant 1 |
%assign quant 1 |
| 97 |
%rep 31 |
%rep 31 |
| 98 |
times 4 dw quant*2 |
times 4 dw (1<<16) / (quant*2) + 1 |
| 99 |
%assign quant quant+1 |
%assign quant quant+1 |
| 100 |
%endrep |
%endrep |
| 101 |
|
|
|
;----------------------------------------------------------------------------- |
|
|
; |
|
|
; saturation limits |
|
|
; |
|
|
;----------------------------------------------------------------------------- |
|
|
|
|
|
ALIGN 16 |
|
|
sse2_2047: |
|
|
times 8 dw 2047 |
|
|
|
|
|
ALIGN 16 |
|
|
mmx_2047: |
|
|
times 4 dw 2047 |
|
|
|
|
|
ALIGN 8 |
|
|
mmx_32768_minus_2048: |
|
|
times 4 dw (32768-2048) |
|
|
|
|
|
mmx_32767_minus_2047: |
|
|
times 4 dw (32767-2047) |
|
|
|
|
|
|
|
| 102 |
;============================================================================= |
;============================================================================= |
| 103 |
; Code |
; Code |
| 104 |
;============================================================================= |
;============================================================================= |
| 129 |
ALIGN 16 |
ALIGN 16 |
| 130 |
quant_h263_intra_mmx: |
quant_h263_intra_mmx: |
| 131 |
|
|
|
push ecx |
|
| 132 |
push esi |
push esi |
|
push edi |
|
|
|
|
|
mov edi, [esp + 12 + 4] ; coeff |
|
|
mov esi, [esp + 12 + 8] ; data |
|
|
mov eax, [esp + 12 + 12] ; quant |
|
| 133 |
|
|
| 134 |
xor ecx, ecx |
mov esi, [esp + 4 + 8] ; data |
|
cmp al, 1 |
|
|
jz .q1loop |
|
| 135 |
|
|
| 136 |
movq mm7, [mmx_div + eax * 8 - 8] |
movsx eax, word [esi] ; data[0] |
| 137 |
|
|
| 138 |
ALIGN 16 |
mov ecx,[esp + 4 + 16] ; dcscalar |
| 139 |
.loop |
mov edx,eax |
| 140 |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
sar ecx,1 |
| 141 |
movq mm3, [esi + 8*ecx + 8] |
add eax,ecx |
| 142 |
pxor mm1, mm1 ; mm1 = 0 |
sub edx,ecx |
| 143 |
pxor mm4, mm4 ; |
cmovl eax,edx ; +/- dcscalar/2 |
| 144 |
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
mov ecx, [esp + 4 + 12] ; quant |
| 145 |
pcmpgtw mm4, mm3 ; |
cdq |
| 146 |
pxor mm0, mm1 ; mm0 = |mm0| |
idiv dword [esp + 4 + 16] ; dcscalar |
| 147 |
pxor mm3, mm4 ; |
cmp ecx, 1 |
| 148 |
psubw mm0, mm1 ; displace |
mov edx, [esp + 4 + 4] ; coeff |
| 149 |
psubw mm3, mm4 ; |
je .low |
|
pmulhw mm0, mm7 ; mm0 = (mm0 / 2Q) >> 16 |
|
|
pmulhw mm3, mm7 ; |
|
|
pxor mm0, mm1 ; mm0 *= sign(mm0) |
|
|
pxor mm3, mm4 ; |
|
|
psubw mm0, mm1 ; undisplace |
|
|
psubw mm3, mm4 ; |
|
|
movq [edi + 8*ecx], mm0 |
|
|
movq [edi + 8*ecx + 8], mm3 |
|
| 150 |
|
|
| 151 |
add ecx, 2 |
movq mm7, [mmx_div+ecx * 8 - 8] |
| 152 |
cmp ecx, 16 |
mov ecx,4 |
|
jnz .loop |
|
| 153 |
|
|
| 154 |
.done |
.loop |
| 155 |
|
movq mm0, [esi] ; data |
| 156 |
|
pxor mm4,mm4 |
| 157 |
|
movq mm1, [esi + 8] |
| 158 |
|
pcmpgtw mm4,mm0 ; (data<0) |
| 159 |
|
pxor mm5,mm5 |
| 160 |
|
pmulhw mm0,mm7 ; /(2*quant) |
| 161 |
|
pcmpgtw mm5,mm1 |
| 162 |
|
movq mm2, [esi+16] |
| 163 |
|
psubw mm0,mm4 ; +(data<0) |
| 164 |
|
pmulhw mm1,mm7 |
| 165 |
|
pxor mm4,mm4 |
| 166 |
|
movq mm3,[esi+24] |
| 167 |
|
pcmpgtw mm4,mm2 |
| 168 |
|
psubw mm1,mm5 |
| 169 |
|
pmulhw mm2,mm7 |
| 170 |
|
pxor mm5,mm5 |
| 171 |
|
pcmpgtw mm5,mm3 |
| 172 |
|
pmulhw mm3,mm7 |
| 173 |
|
psubw mm2,mm4 |
| 174 |
|
psubw mm3,mm5 |
| 175 |
|
movq [edx], mm0 |
| 176 |
|
lea esi, [esi+32] |
| 177 |
|
movq [edx + 8], mm1 |
| 178 |
|
movq [edx + 16], mm2 |
| 179 |
|
movq [edx + 24], mm3 |
| 180 |
|
|
| 181 |
|
dec ecx |
| 182 |
|
lea edx, [edx+32] |
| 183 |
|
jne .loop |
| 184 |
|
jmp .end |
| 185 |
|
|
| 186 |
|
.low |
| 187 |
|
movd mm7,ecx |
| 188 |
|
mov ecx,4 |
| 189 |
|
.loop_low |
| 190 |
|
movq mm0, [esi] |
| 191 |
|
pxor mm4,mm4 |
| 192 |
|
movq mm1, [esi + 8] |
| 193 |
|
pcmpgtw mm4,mm0 |
| 194 |
|
pxor mm5,mm5 |
| 195 |
|
psubw mm0,mm4 |
| 196 |
|
pcmpgtw mm5,mm1 |
| 197 |
|
psraw mm0,mm7 |
| 198 |
|
psubw mm1,mm5 |
| 199 |
|
movq mm2,[esi+16] |
| 200 |
|
pxor mm4,mm4 |
| 201 |
|
psraw mm1,mm7 |
| 202 |
|
pcmpgtw mm4,mm2 |
| 203 |
|
pxor mm5,mm5 |
| 204 |
|
psubw mm2,mm4 |
| 205 |
|
movq mm3,[esi+24] |
| 206 |
|
pcmpgtw mm5,mm3 |
| 207 |
|
psraw mm2,mm7 |
| 208 |
|
psubw mm3,mm5 |
| 209 |
|
movq [edx], mm0 |
| 210 |
|
psraw mm3,mm7 |
| 211 |
|
movq [edx + 8], mm1 |
| 212 |
|
movq [edx+16],mm2 |
| 213 |
|
lea esi, [esi+32] |
| 214 |
|
movq [edx+24],mm3 |
| 215 |
|
|
| 216 |
|
dec ecx |
| 217 |
|
lea edx, [edx+32] |
| 218 |
|
jne .loop_low |
| 219 |
|
|
| 220 |
; caclulate data[0] // (int32_t)dcscalar) |
.end |
| 221 |
mov ecx, [esp + 12 + 16] ; dcscalar |
mov edx, [esp + 4 + 4] ; coeff |
| 222 |
mov edx, ecx |
mov [edx],ax |
| 223 |
movsx eax, word [esi] ; data[0] |
xor eax,eax ; return 0 |
|
shr edx, 1 ; edx = dcscalar /2 |
|
|
cmp eax, 0 |
|
|
jg .gtzero |
|
|
|
|
|
sub eax, edx |
|
|
jmp short .mul |
|
|
|
|
|
.gtzero |
|
|
add eax, edx |
|
|
.mul |
|
|
cdq ; expand eax -> edx:eax |
|
|
idiv ecx ; eax = edx:eax / dcscalar |
|
|
mov [edi], ax ; coeff[0] = ax |
|
| 224 |
|
|
|
xor eax, eax ; return(0); |
|
|
pop edi |
|
| 225 |
pop esi |
pop esi |
|
pop ecx |
|
|
|
|
| 226 |
ret |
ret |
| 227 |
|
|
|
ALIGN 16 |
|
|
.q1loop |
|
|
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
|
|
movq mm3, [esi + 8*ecx + 8] |
|
|
pxor mm1, mm1 ; mm1 = 0 |
|
|
pxor mm4, mm4 ; |
|
|
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
|
|
pcmpgtw mm4, mm3 ; |
|
|
pxor mm0, mm1 ; mm0 = |mm0| |
|
|
pxor mm3, mm4 ; |
|
|
psubw mm0, mm1 ; displace |
|
|
psubw mm3, mm4 ; |
|
|
psrlw mm0, 1 ; mm0 >>= 1 (/2) |
|
|
psrlw mm3, 1 ; |
|
|
pxor mm0, mm1 ; mm0 *= sign(mm0) |
|
|
pxor mm3, mm4 |
|
|
psubw mm0, mm1 ; undisplace |
|
|
psubw mm3, mm4 ; |
|
|
movq [edi + 8*ecx], mm0 |
|
|
movq [edi + 8*ecx + 8], mm3 |
|
|
|
|
|
add ecx, 2 |
|
|
cmp ecx, 16 |
|
|
jnz .q1loop |
|
|
jmp short .done |
|
|
|
|
|
|
|
| 228 |
|
|
| 229 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 230 |
; |
; |
| 240 |
quant_h263_intra_sse2: |
quant_h263_intra_sse2: |
| 241 |
|
|
| 242 |
push esi |
push esi |
|
push edi |
|
| 243 |
|
|
| 244 |
mov edi, [esp + 8 + 4] ; coeff |
mov esi, [esp + 4 + 8] ; data |
|
mov esi, [esp + 8 + 8] ; data |
|
|
mov eax, [esp + 8 + 12] ; quant |
|
| 245 |
|
|
| 246 |
xor ecx, ecx |
movsx eax, word [esi] ; data[0] |
| 247 |
cmp al, 1 |
|
| 248 |
jz near .qas2_q1loop |
mov ecx,[esp + 4 + 16] ; dcscalar |
| 249 |
|
mov edx,eax |
| 250 |
|
sar ecx,1 |
| 251 |
|
add eax,ecx |
| 252 |
|
sub edx,ecx |
| 253 |
|
cmovl eax,edx ; +/- dcscalar/2 |
| 254 |
|
mov ecx, [esp + 4 + 12] ; quant |
| 255 |
|
cdq |
| 256 |
|
idiv dword [esp + 4 + 16] ; dcscalar |
| 257 |
|
cmp ecx, 1 |
| 258 |
|
mov edx, [esp + 4 + 4] ; coeff |
| 259 |
|
movq xmm7, [mmx_div+ecx * 8 - 8] |
| 260 |
|
je .low |
| 261 |
|
|
| 262 |
.qas2_not1 |
mov ecx,2 |
|
movq mm7, [mmx_div + eax*8 - 8] |
|
|
movq2dq xmm7, mm7 |
|
| 263 |
movlhps xmm7, xmm7 |
movlhps xmm7, xmm7 |
| 264 |
|
|
| 265 |
ALIGN 16 |
.loop |
| 266 |
.qas2_loop |
movdqa xmm0, [esi] |
|
movdqa xmm0, [esi + ecx*8] ; xmm0 = [1st] |
|
|
movdqa xmm3, [esi + ecx*8 + 16] ; xmm3 = [2nd] |
|
|
pxor xmm1, xmm1 |
|
| 267 |
pxor xmm4, xmm4 |
pxor xmm4, xmm4 |
| 268 |
pcmpgtw xmm1, xmm0 |
movdqa xmm1, [esi + 16] |
| 269 |
pcmpgtw xmm4, xmm3 |
pcmpgtw xmm4,xmm0 |
| 270 |
pxor xmm0, xmm1 |
pxor xmm5,xmm5 |
|
pxor xmm3, xmm4 |
|
|
psubw xmm0, xmm1 |
|
|
psubw xmm3, xmm4 |
|
| 271 |
pmulhw xmm0, xmm7 |
pmulhw xmm0, xmm7 |
| 272 |
|
pcmpgtw xmm5,xmm1 |
| 273 |
|
movdqa xmm2, [esi+32] |
| 274 |
|
psubw xmm0,xmm4 |
| 275 |
|
pmulhw xmm1,xmm7 |
| 276 |
|
pxor xmm4,xmm4 |
| 277 |
|
movdqa xmm3,[esi+48] |
| 278 |
|
pcmpgtw xmm4,xmm2 |
| 279 |
|
psubw xmm1,xmm5 |
| 280 |
|
pmulhw xmm2,xmm7 |
| 281 |
|
pxor xmm5,xmm5 |
| 282 |
|
pcmpgtw xmm5,xmm3 |
| 283 |
pmulhw xmm3, xmm7 |
pmulhw xmm3, xmm7 |
| 284 |
pxor xmm0, xmm1 |
psubw xmm2,xmm4 |
| 285 |
pxor xmm3, xmm4 |
psubw xmm3,xmm5 |
| 286 |
psubw xmm0, xmm1 |
movdqa [edx], xmm0 |
| 287 |
psubw xmm3, xmm4 |
lea esi, [esi+64] |
| 288 |
movdqa [edi + ecx*8], xmm0 |
movdqa [edx + 16], xmm1 |
| 289 |
movdqa [edi + ecx*8 + 16], xmm3 |
movdqa [edx + 32], xmm2 |
| 290 |
|
movdqa [edx + 48], xmm3 |
| 291 |
add ecx, 4 |
|
| 292 |
cmp ecx, 16 |
dec ecx |
| 293 |
jnz .qas2_loop |
lea edx, [edx+64] |
| 294 |
|
jne .loop |
| 295 |
.qas2_done |
jmp .end |
| 296 |
mov ecx, [esp + 8 + 16] ; dcscalar |
|
| 297 |
mov edx, ecx |
.low |
| 298 |
movsx eax, word [esi] |
movd xmm7,ecx |
| 299 |
shr edx, 1 |
mov ecx,2 |
| 300 |
cmp eax, 0 |
.loop_low |
| 301 |
jg .qas2_gtzero |
movdqa xmm0, [esi] |
| 302 |
|
pxor xmm4,xmm4 |
| 303 |
sub eax, edx |
movdqa xmm1, [esi + 16] |
| 304 |
jmp short .qas2_mul |
pcmpgtw xmm4,xmm0 |
| 305 |
|
pxor xmm5,xmm5 |
| 306 |
.qas2_gtzero |
psubw xmm0,xmm4 |
| 307 |
add eax, edx |
pcmpgtw xmm5,xmm1 |
| 308 |
|
psraw xmm0,xmm7 |
| 309 |
.qas2_mul |
psubw xmm1,xmm5 |
| 310 |
cdq |
movdqa xmm2,[esi+32] |
| 311 |
idiv ecx |
pxor xmm4,xmm4 |
| 312 |
|
psraw xmm1,xmm7 |
| 313 |
|
pcmpgtw xmm4,xmm2 |
| 314 |
|
pxor xmm5,xmm5 |
| 315 |
|
psubw xmm2,xmm4 |
| 316 |
|
movdqa xmm3,[esi+48] |
| 317 |
|
pcmpgtw xmm5,xmm3 |
| 318 |
|
psraw xmm2,xmm7 |
| 319 |
|
psubw xmm3,xmm5 |
| 320 |
|
movdqa [edx], xmm0 |
| 321 |
|
psraw xmm3,xmm7 |
| 322 |
|
movdqa [edx+16], xmm1 |
| 323 |
|
movdqa [edx+32],xmm2 |
| 324 |
|
lea esi, [esi+64] |
| 325 |
|
movdqa [edx+48],xmm3 |
| 326 |
|
|
| 327 |
|
dec ecx |
| 328 |
|
lea edx, [edx+64] |
| 329 |
|
jne .loop_low |
| 330 |
|
|
| 331 |
mov [edi], ax |
.end |
| 332 |
|
mov edx, [esp + 4 + 4] ; coeff |
| 333 |
|
mov [edx],ax |
| 334 |
|
xor eax,eax ; return 0 |
| 335 |
|
|
|
xor eax, eax ; return(0); |
|
|
pop edi |
|
| 336 |
pop esi |
pop esi |
|
|
|
| 337 |
ret |
ret |
| 338 |
|
|
|
ALIGN 16 |
|
|
.qas2_q1loop |
|
|
movdqa xmm0, [esi + ecx*8] ; xmm0 = [1st] |
|
|
movdqa xmm3, [esi + ecx*8 + 16] ; xmm3 = [2nd] |
|
|
pxor xmm1, xmm1 |
|
|
pxor xmm4, xmm4 |
|
|
pcmpgtw xmm1, xmm0 |
|
|
pcmpgtw xmm4, xmm3 |
|
|
pxor xmm0, xmm1 |
|
|
pxor xmm3, xmm4 |
|
|
psubw xmm0, xmm1 |
|
|
psubw xmm3, xmm4 |
|
|
psrlw xmm0, 1 |
|
|
psrlw xmm3, 1 |
|
|
pxor xmm0, xmm1 |
|
|
pxor xmm3, xmm4 |
|
|
psubw xmm0, xmm1 |
|
|
psubw xmm3, xmm4 |
|
|
movdqa [edi + ecx*8], xmm0 |
|
|
movdqa [edi + ecx*8 + 16], xmm3 |
|
|
|
|
|
add ecx, 4 |
|
|
cmp ecx, 16 |
|
|
jnz .qas2_q1loop |
|
|
jmp near .qas2_done |
|
|
|
|
|
|
|
|
|
|
| 339 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 340 |
; |
; |
| 341 |
; uint32_t quant_h263_inter_mmx(int16_t * coeff, |
; uint32_t quant_h263_inter_mmx(int16_t * coeff, |
| 564 |
; |
; |
| 565 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 566 |
|
|
|
; note: we only saturate to +2047 *before* restoring the sign. |
|
|
; Hence, final clamp really is [-2048,2047] |
|
|
|
|
| 567 |
ALIGN 16 |
ALIGN 16 |
| 568 |
dequant_h263_intra_mmx: |
dequant_h263_intra_mmx: |
| 569 |
|
|
| 570 |
|
mov ecx, [esp+12] ; quant |
| 571 |
|
mov eax, [esp+ 8] ; coeff |
| 572 |
|
pcmpeqw mm0,mm0 |
| 573 |
|
movq mm6, [mmx_quant + ecx*8] ; quant |
| 574 |
|
shl ecx,31 ; quant & 1 ? 0 : - 1 |
| 575 |
|
movq mm7,mm6 |
| 576 |
|
movq mm5,mm0 |
| 577 |
|
movd mm1,ecx |
| 578 |
mov edx, [esp+ 4] ; data |
mov edx, [esp+ 4] ; data |
| 579 |
mov ecx, [esp+ 8] ; coeff |
psllw mm0,mm1 |
| 580 |
mov eax, [esp+12] ; quant |
paddw mm7,mm7 ; 2*quant |
| 581 |
movq mm6, [mmx_add + eax*8 - 8] ; quant or quant-1 |
paddw mm6,mm0 ; quant-1 |
| 582 |
movq mm7, [mmx_mul + eax*8 - 8] ; 2*quant |
psllw mm5,12 |
| 583 |
mov eax, -16 |
mov ecx,8 |
| 584 |
|
psrlw mm5,1 |
| 585 |
|
|
| 586 |
ALIGN 16 |
.loop: |
| 587 |
.loop |
movq mm0,[eax] |
| 588 |
movq mm0, [ecx+8*eax+8*16] ; c = coeff[i] |
pxor mm2,mm2 |
|
movq mm3, [ecx+8*eax+8*16 + 8] ; c' = coeff[i+1] |
|
|
pxor mm1, mm1 |
|
| 589 |
pxor mm4, mm4 |
pxor mm4, mm4 |
| 590 |
pcmpgtw mm1, mm0 ; sign(c) |
pcmpgtw mm2,mm0 |
| 591 |
pcmpgtw mm4, mm3 ; sign(c') |
pcmpeqw mm4,mm0 |
| 592 |
|
pmullw mm0,mm7 ; * 2 * quant |
| 593 |
|
movq mm1,[eax+8] |
| 594 |
|
psubw mm0,mm2 |
| 595 |
|
pxor mm2,mm6 |
| 596 |
|
pxor mm3,mm3 |
| 597 |
|
pandn mm4,mm2 |
| 598 |
pxor mm2, mm2 |
pxor mm2, mm2 |
| 599 |
pxor mm5, mm5 |
pcmpgtw mm3,mm1 |
| 600 |
pcmpeqw mm2, mm0 ; c is zero |
pcmpeqw mm2,mm1 |
| 601 |
pcmpeqw mm5, mm3 ; c' is zero |
pmullw mm1,mm7 |
| 602 |
pandn mm2, mm6 ; offset = isZero ? 0 : quant_add |
paddw mm0,mm4 |
| 603 |
pandn mm5, mm6 |
psubw mm1,mm3 |
| 604 |
pxor mm0, mm1 ; negate if negative |
pxor mm3,mm6 |
| 605 |
pxor mm3, mm4 ; negate if negative |
pandn mm2,mm3 |
| 606 |
psubw mm0, mm1 |
paddsw mm0, mm5 ; saturate |
| 607 |
psubw mm3, mm4 |
paddw mm1,mm2 |
| 608 |
pmullw mm0, mm7 ; *= 2Q |
|
| 609 |
pmullw mm3, mm7 ; *= 2Q |
paddsw mm1, mm5 |
| 610 |
paddw mm0, mm2 ; + offset |
psubsw mm0, mm5 |
| 611 |
paddw mm3, mm5 ; + offset |
psubsw mm1, mm5 |
| 612 |
paddw mm0, mm1 ; negate back |
psubsw mm0, mm5 |
| 613 |
paddw mm3, mm4 ; negate back |
psubsw mm1, mm5 |
| 614 |
|
paddsw mm0, mm5 |
| 615 |
; saturates to +2047 |
paddsw mm1, mm5 |
| 616 |
movq mm2, [mmx_32767_minus_2047] |
|
| 617 |
add eax, 2 |
movq [edx],mm0 |
| 618 |
paddsw mm0, mm2 |
lea eax,[eax+16] |
| 619 |
paddsw mm3, mm2 |
movq [edx+8],mm1 |
| 620 |
psubsw mm0, mm2 |
|
| 621 |
psubsw mm3, mm2 |
dec ecx |
| 622 |
|
lea edx,[edx+16] |
| 623 |
pxor mm0, mm1 |
jne .loop |
|
pxor mm3, mm4 |
|
|
movq [edx + 8*eax + 8*16 - 2*8], mm0 |
|
|
movq [edx + 8*eax + 8*16+8 - 2*8], mm3 |
|
|
jnz near .loop |
|
| 624 |
|
|
| 625 |
; deal with DC |
; deal with DC |
| 626 |
movd mm0, [ecx] |
mov eax, [esp+ 8] ; coeff |
| 627 |
pmullw mm0, [esp+16] ; dcscalar |
movsx eax,word [eax] |
| 628 |
movq mm2, [mmx_32767_minus_2047] |
mov ecx,2047 |
| 629 |
paddsw mm0, mm2 |
imul dword [esp+16] ; dcscalar |
| 630 |
psubsw mm0, mm2 |
mov edx, [esp+ 4] ; data |
| 631 |
movq mm3, [mmx_32768_minus_2048] |
cmp eax,ecx |
| 632 |
psubsw mm0, mm3 |
cmovg eax,ecx |
| 633 |
paddsw mm0, mm3 |
not ecx |
| 634 |
movd eax, mm0 |
cmp eax,ecx |
| 635 |
|
cmovl eax,ecx |
| 636 |
|
|
| 637 |
mov [edx], ax |
mov [edx], ax |
| 638 |
|
|
| 639 |
xor eax, eax ; return(0); |
xor eax, eax ; return 0 |
| 640 |
ret |
ret |
| 641 |
|
|
| 642 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 649 |
; |
; |
| 650 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 651 |
|
|
|
; this is the same as dequant_inter_mmx, except that we're |
|
|
; saturating using 'pminsw' (saves 2 cycles/loop => ~5% faster) |
|
| 652 |
|
|
| 653 |
ALIGN 16 |
ALIGN 16 |
| 654 |
dequant_h263_intra_xmm: |
dequant_h263_intra_xmm: |
| 655 |
|
|
| 656 |
|
mov ecx, [esp+12] ; quant |
| 657 |
|
mov eax, [esp+ 8] ; coeff |
| 658 |
|
|
| 659 |
|
movd mm6,ecx ; quant |
| 660 |
|
pcmpeqw mm0,mm0 |
| 661 |
|
pshufw mm6,mm6,0 ; all quant |
| 662 |
|
shl ecx,31 |
| 663 |
|
movq mm5,mm0 |
| 664 |
|
movq mm7,mm6 |
| 665 |
|
movd mm1,ecx |
| 666 |
mov edx, [esp+ 4] ; data |
mov edx, [esp+ 4] ; data |
| 667 |
mov ecx, [esp+ 8] ; coeff |
psllw mm0,mm1 ; quant & 1 ? 0 : - 1 |
| 668 |
mov eax, [esp+12] ; quant |
movq mm4,mm5 |
| 669 |
movq mm6, [mmx_add + eax*8 - 8] ; quant or quant-1 |
paddw mm7,mm7 ; quant*2 |
| 670 |
movq mm7, [mmx_mul + eax*8 - 8] ; 2*quant |
paddw mm6,mm0 ; quant-1 |
| 671 |
mov eax, -16 |
psrlw mm4,5 ; mm4=2047 |
| 672 |
|
mov ecx,8 |
| 673 |
|
pxor mm5,mm4 ; mm5=-2048 |
| 674 |
|
|
| 675 |
ALIGN 16 |
.loop: |
| 676 |
.loop |
movq mm0,[eax] |
|
movq mm0, [ecx+8*eax+8*16] ; c = coeff[i] |
|
|
movq mm3, [ecx+8*eax+8*16 + 8] ; c' = coeff[i+1] |
|
|
pxor mm1, mm1 |
|
|
pxor mm4, mm4 |
|
|
pcmpgtw mm1, mm0 ; sign(c) |
|
|
pcmpgtw mm4, mm3 ; sign(c') |
|
| 677 |
pxor mm2, mm2 |
pxor mm2, mm2 |
| 678 |
pxor mm5, mm5 |
pxor mm3,mm3 |
| 679 |
pcmpeqw mm2, mm0 ; c is zero |
|
| 680 |
pcmpeqw mm5, mm3 ; c' is zero |
pcmpgtw mm2,mm0 |
| 681 |
pandn mm2, mm6 ; offset = isZero ? 0 : quant_add |
pcmpeqw mm3,mm0 ; if coeff==0... |
| 682 |
pandn mm5, mm6 |
pmullw mm0,mm7 ; * 2 * quant |
| 683 |
pxor mm0, mm1 ; negate if negative |
movq mm1,[eax+8] |
| 684 |
pxor mm3, mm4 ; negate if negative |
|
| 685 |
psubw mm0, mm1 |
psubw mm0,mm2 |
| 686 |
psubw mm3, mm4 |
pxor mm2,mm6 |
| 687 |
pmullw mm0, mm7 ; *= 2Q |
pandn mm3,mm2 ; ...then data=0 |
| 688 |
pmullw mm3, mm7 ; *= 2Q |
pxor mm2,mm2 |
| 689 |
paddw mm0, mm2 ; + offset |
paddw mm0,mm3 |
| 690 |
paddw mm3, mm5 ; + offset |
pxor mm3,mm3 |
| 691 |
paddw mm0, mm1 ; negate back |
pcmpeqw mm2,mm1 |
| 692 |
paddw mm3, mm4 ; negate back |
pcmpgtw mm3,mm1 |
| 693 |
|
pmullw mm1,mm7 |
| 694 |
; saturates to +2047 |
|
| 695 |
movq mm2, [mmx_2047] |
pminsw mm0,mm4 |
| 696 |
pminsw mm0, mm2 |
psubw mm1,mm3 |
| 697 |
add eax, 2 |
pxor mm3,mm6 |
| 698 |
pminsw mm3, mm2 |
pandn mm2,mm3 |
| 699 |
|
paddw mm1,mm2 |
| 700 |
pxor mm0, mm1 |
|
| 701 |
pxor mm3, mm4 |
pmaxsw mm0,mm5 |
| 702 |
movq [edx + 8*eax + 8*16 - 2*8], mm0 |
pminsw mm1,mm4 |
| 703 |
movq [edx + 8*eax + 8*16+8 - 2*8], mm3 |
movq [edx],mm0 |
| 704 |
jnz near .loop |
pmaxsw mm1,mm5 |
| 705 |
|
lea eax,[eax+16] |
| 706 |
|
movq [edx+8],mm1 |
| 707 |
|
|
| 708 |
|
dec ecx |
| 709 |
|
lea edx,[edx+16] |
| 710 |
|
jne .loop |
| 711 |
|
|
| 712 |
; deal with DC |
; deal with DC |
| 713 |
movd mm0, [ecx] |
mov eax, [esp+ 8] ; coeff |
| 714 |
|
mov edx, [esp+ 4] ; data |
| 715 |
|
movd mm0, [eax] |
| 716 |
pmullw mm0, [esp+16] ; dcscalar |
pmullw mm0, [esp+16] ; dcscalar |
| 717 |
movq mm2, [mmx_32767_minus_2047] |
pminsw mm0,mm4 |
| 718 |
paddsw mm0, mm2 |
pmaxsw mm0,mm5 |
|
psubsw mm0, mm2 |
|
|
movq mm2, [mmx_32768_minus_2048] |
|
|
psubsw mm0, mm2 |
|
|
paddsw mm0, mm2 |
|
| 719 |
movd eax, mm0 |
movd eax, mm0 |
| 720 |
mov [edx], ax |
mov [edx], ax |
| 721 |
|
|
| 722 |
xor eax, eax |
xor eax, eax ; return 0 |
| 723 |
ret |
ret |
| 724 |
|
|
| 725 |
|
|
| 735 |
|
|
| 736 |
ALIGN 16 |
ALIGN 16 |
| 737 |
dequant_h263_intra_sse2: |
dequant_h263_intra_sse2: |
| 738 |
|
|
| 739 |
|
mov ecx, [esp+12] ; quant |
| 740 |
|
mov eax, [esp+ 8] ; coeff |
| 741 |
|
|
| 742 |
|
movd xmm6,ecx ; quant |
| 743 |
|
; shr ecx,1 |
| 744 |
|
shl ecx,31 |
| 745 |
|
pshuflw xmm6,xmm6,0 |
| 746 |
|
pcmpeqw xmm0,xmm0 |
| 747 |
|
movlhps xmm6,xmm6 ; all quant |
| 748 |
|
movd xmm1,ecx |
| 749 |
|
movdqa xmm5,xmm0 |
| 750 |
|
movdqa xmm7,xmm6 |
| 751 |
mov edx, [esp+ 4] ; data |
mov edx, [esp+ 4] ; data |
| 752 |
mov ecx, [esp+ 8] ; coeff |
paddw xmm7,xmm7 ; quant *2 |
| 753 |
mov eax, [esp+12] ; quant |
psllw xmm0,xmm1 ; quant & 1 ? 0 : - 1 |
| 754 |
movq mm6, [mmx_add + eax * 8 - 8] |
movdqa xmm4,xmm5 |
| 755 |
movq mm7, [mmx_mul + eax * 8 - 8] |
paddw xmm6,xmm0 ; quant-1 |
| 756 |
movq2dq xmm6, mm6 |
psrlw xmm4,5 ; 2047 |
| 757 |
movq2dq xmm7, mm7 |
mov ecx,4 |
| 758 |
movlhps xmm6, xmm6 |
pxor xmm5,xmm4 ; mm5=-2048 |
|
movlhps xmm7, xmm7 |
|
|
mov eax, -16 |
|
| 759 |
|
|
| 760 |
ALIGN 16 |
.loop: |
| 761 |
.loop |
movdqa xmm0,[eax] |
|
movdqa xmm0, [ecx + 8*16 + 8*eax] ; c = coeff[i] |
|
|
movdqa xmm3, [ecx + 8*16 + 8*eax+ 16] |
|
|
pxor xmm1, xmm1 |
|
|
pxor xmm4, xmm4 |
|
|
pcmpgtw xmm1, xmm0 ; sign(c) |
|
|
pcmpgtw xmm4, xmm3 |
|
| 762 |
pxor xmm2, xmm2 |
pxor xmm2, xmm2 |
| 763 |
pxor xmm5, xmm5 |
pxor xmm3,xmm3 |
|
pcmpeqw xmm2, xmm0 ; c is zero |
|
|
pcmpeqw xmm5, xmm3 |
|
|
pandn xmm2, xmm6 ; offset = isZero ? 0 : quant_add |
|
|
pandn xmm5, xmm6 |
|
|
pxor xmm0, xmm1 ; negate if negative |
|
|
pxor xmm3, xmm4 |
|
|
psubw xmm0, xmm1 |
|
|
psubw xmm3, xmm4 |
|
|
pmullw xmm0, xmm7 ; *= 2Q |
|
|
pmullw xmm3, xmm7 |
|
|
paddw xmm0, xmm2 ; + offset |
|
|
paddw xmm3, xmm5 |
|
|
paddw xmm0, xmm1 ; negate back |
|
|
paddw xmm3, xmm4 |
|
|
|
|
|
; saturates to +2047 |
|
|
movdqa xmm2, [sse2_2047] |
|
|
pminsw xmm0, xmm2 |
|
|
add eax, 4 |
|
|
pminsw xmm3, xmm2 |
|
| 764 |
|
|
| 765 |
pxor xmm0, xmm1 |
pcmpgtw xmm2,xmm0 |
| 766 |
pxor xmm3, xmm4 |
pcmpeqw xmm3,xmm0 |
| 767 |
movdqa [edx + 8*16 - 8*4 + 8*eax], xmm0 |
pmullw xmm0,xmm7 ; * 2 * quant |
| 768 |
movdqa [edx + 8*16 - 8*4 + 8*eax + 16], xmm3 |
movdqa xmm1,[eax+16] |
| 769 |
jnz near .loop |
|
| 770 |
|
psubw xmm0,xmm2 |
| 771 |
|
pxor xmm2,xmm6 |
| 772 |
|
pandn xmm3,xmm2 |
| 773 |
|
pxor xmm2,xmm2 |
| 774 |
|
paddw xmm0,xmm3 |
| 775 |
|
pxor xmm3,xmm3 |
| 776 |
|
pcmpeqw xmm2,xmm1 |
| 777 |
|
pcmpgtw xmm3,xmm1 |
| 778 |
|
pmullw xmm1,xmm7 |
| 779 |
|
|
| 780 |
|
pminsw xmm0,xmm4 |
| 781 |
|
psubw xmm1,xmm3 |
| 782 |
|
pxor xmm3,xmm6 |
| 783 |
|
pandn xmm2,xmm3 |
| 784 |
|
paddw xmm1,xmm2 |
| 785 |
|
|
| 786 |
|
pmaxsw xmm0,xmm5 |
| 787 |
|
pminsw xmm1,xmm4 |
| 788 |
|
movdqa [edx],xmm0 |
| 789 |
|
pmaxsw xmm1,xmm5 |
| 790 |
|
lea eax,[eax+32] |
| 791 |
|
movdqa [edx+16],xmm1 |
| 792 |
|
|
| 793 |
|
dec ecx |
| 794 |
|
lea edx,[edx+32] |
| 795 |
|
jne .loop |
| 796 |
|
|
| 797 |
; deal with DC |
; deal with DC |
| 798 |
movd mm0, [ecx] |
|
| 799 |
pmullw mm0, [esp+16] ; dcscalar |
mov eax, [esp+ 8] ; coeff |
| 800 |
movq mm2, [mmx_32767_minus_2047] |
movsx eax,word [eax] |
| 801 |
paddsw mm0, mm2 |
imul dword [esp+16] ; dcscalar |
| 802 |
psubsw mm0, mm2 |
mov edx, [esp+ 4] ; data |
| 803 |
movq mm2, [mmx_32768_minus_2048] |
movd xmm0,eax |
| 804 |
psubsw mm0, mm2 |
pminsw xmm0,xmm4 |
| 805 |
paddsw mm0, mm2 |
pmaxsw xmm0,xmm5 |
| 806 |
movd eax, mm0 |
movd eax,xmm0 |
| 807 |
|
|
| 808 |
mov [edx], ax |
mov [edx], ax |
| 809 |
|
|
| 810 |
xor eax, eax |
xor eax, eax ; return 0 |
| 811 |
ret |
ret |
| 812 |
|
|
| 813 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 822 |
ALIGN 16 |
ALIGN 16 |
| 823 |
dequant_h263_inter_mmx: |
dequant_h263_inter_mmx: |
| 824 |
|
|
| 825 |
|
mov ecx, [esp+12] ; quant |
| 826 |
|
mov eax, [esp+ 8] ; coeff |
| 827 |
|
pcmpeqw mm0,mm0 |
| 828 |
|
movq mm6, [mmx_quant + ecx*8] ; quant |
| 829 |
|
shl ecx,31 ; odd/even |
| 830 |
|
movq mm7,mm6 |
| 831 |
|
movd mm1,ecx |
| 832 |
mov edx, [esp+ 4] ; data |
mov edx, [esp+ 4] ; data |
| 833 |
mov ecx, [esp+ 8] ; coeff |
movq mm5,mm0 |
| 834 |
mov eax, [esp+12] ; quant |
psllw mm0,mm1 ; quant & 1 ? 0 : - 1 |
| 835 |
movq mm6, [mmx_add + eax*8 - 8] ; quant or quant-1 |
paddw mm7,mm7 ; quant*2 |
| 836 |
movq mm7, [mmx_mul + eax*8 - 8] ; 2*quant |
paddw mm6,mm0 ; quant & 1 ? quant : quant - 1 |
| 837 |
mov eax, -16 |
psllw mm5,12 |
| 838 |
|
mov ecx,8 |
| 839 |
|
psrlw mm5,1 ; 32767-2047 (32768-2048) |
| 840 |
|
|
| 841 |
ALIGN 16 |
.loop: |
| 842 |
.loop |
movq mm0,[eax] |
|
movq mm0, [ecx+8*eax+8*16] ; c = coeff[i] |
|
|
movq mm3, [ecx+8*eax+8*16 + 8] ; c' = coeff[i+1] |
|
|
pxor mm1, mm1 |
|
| 843 |
pxor mm4, mm4 |
pxor mm4, mm4 |
|
pcmpgtw mm1, mm0 ; sign(c) |
|
|
pcmpgtw mm4, mm3 ; sign(c') |
|
| 844 |
pxor mm2, mm2 |
pxor mm2, mm2 |
| 845 |
pxor mm5, mm5 |
pcmpeqw mm4,mm0 ; if coeff==0... |
| 846 |
pcmpeqw mm2, mm0 ; c is zero |
pcmpgtw mm2,mm0 |
| 847 |
pcmpeqw mm5, mm3 ; c' is zero |
pmullw mm0,mm7 ; * 2 * quant |
| 848 |
pandn mm2, mm6 ; offset = isZero ? 0 : quant_add |
pxor mm3,mm3 |
| 849 |
pandn mm5, mm6 |
psubw mm0,mm2 |
| 850 |
pxor mm0, mm1 ; negate if negative |
movq mm1,[eax+8] |
| 851 |
pxor mm3, mm4 ; negate if negative |
pxor mm2,mm6 |
| 852 |
psubw mm0, mm1 |
pcmpgtw mm3,mm1 |
| 853 |
psubw mm3, mm4 |
pandn mm4,mm2 ; ... then data==0 |
| 854 |
pmullw mm0, mm7 ; *= 2Q |
pmullw mm1,mm7 |
| 855 |
pmullw mm3, mm7 ; *= 2Q |
pxor mm2,mm2 |
| 856 |
paddw mm0, mm2 ; + offset |
pcmpeqw mm2,mm1 |
| 857 |
paddw mm3, mm5 ; + offset |
psubw mm1,mm3 |
| 858 |
paddw mm0, mm1 ; negate back |
pxor mm3,mm6 |
| 859 |
paddw mm3, mm4 ; negate back |
pandn mm2,mm3 |
| 860 |
; saturates to +2047 |
paddw mm0,mm4 |
| 861 |
movq mm2, [mmx_32767_minus_2047] |
paddw mm1,mm2 |
| 862 |
add eax, 2 |
|
| 863 |
paddsw mm0, mm2 |
paddsw mm0, mm5 ; saturate |
| 864 |
paddsw mm3, mm2 |
paddsw mm1, mm5 |
| 865 |
psubsw mm0, mm2 |
psubsw mm0, mm5 |
| 866 |
psubsw mm3, mm2 |
psubsw mm1, mm5 |
| 867 |
|
psubsw mm0, mm5 |
| 868 |
pxor mm0, mm1 |
psubsw mm1, mm5 |
| 869 |
pxor mm3, mm4 |
paddsw mm0, mm5 |
| 870 |
movq [edx + 8*eax + 8*16 - 2*8], mm0 |
paddsw mm1, mm5 |
| 871 |
movq [edx + 8*eax + 8*16+8 - 2*8], mm3 |
|
| 872 |
jnz near .loop |
movq [edx],mm0 |
| 873 |
|
lea eax,[eax+16] |
| 874 |
|
movq [edx+8],mm1 |
| 875 |
|
|
| 876 |
|
dec ecx |
| 877 |
|
lea edx,[edx+16] |
| 878 |
|
jne .loop |
| 879 |
|
|
| 880 |
xor eax, eax |
xor eax, eax ; return 0 |
| 881 |
ret |
ret |
| 882 |
|
|
| 883 |
|
|
| 884 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 885 |
; |
; |
| 886 |
; uint32_t dequant_h263_inter_xmm(int16_t * data, |
; uint32_t dequant_h263_inter_xmm(int16_t * data, |
| 889 |
; const uint16_t *mpeg_matrices); |
; const uint16_t *mpeg_matrices); |
| 890 |
; |
; |
| 891 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
|
|
|
|
; this is the same as dequant_inter_mmx, |
|
|
; except that we're saturating using 'pminsw' (saves 2 cycles/loop) |
|
|
|
|
| 892 |
ALIGN 16 |
ALIGN 16 |
| 893 |
dequant_h263_inter_xmm: |
dequant_h263_inter_xmm: |
| 894 |
|
|
| 895 |
|
mov ecx, [esp+12] ; quant |
| 896 |
|
mov eax, [esp+ 8] ; coeff |
| 897 |
|
pcmpeqw mm0,mm0 |
| 898 |
|
movq mm6, [mmx_quant + ecx*8] ; quant |
| 899 |
|
shl ecx,31 |
| 900 |
|
movq mm5,mm0 |
| 901 |
|
movd mm1,ecx |
| 902 |
|
movq mm7,mm6 |
| 903 |
|
psllw mm0,mm1 |
| 904 |
mov edx, [esp+ 4] ; data |
mov edx, [esp+ 4] ; data |
| 905 |
mov ecx, [esp+ 8] ; coeff |
movq mm4,mm5 |
| 906 |
mov eax, [esp+12] ; quant |
paddw mm7,mm7 |
| 907 |
movq mm6, [mmx_add + eax*8 - 8] ; quant or quant-1 |
paddw mm6,mm0 ; quant-1 |
| 908 |
movq mm7, [mmx_mul + eax*8 - 8] ; 2*quant |
|
| 909 |
mov eax, -16 |
psrlw mm4,5 |
| 910 |
|
mov ecx,8 |
| 911 |
ALIGN 16 |
pxor mm5,mm4 ; mm5=-2048 |
| 912 |
.loop |
|
| 913 |
movq mm0, [ecx+8*eax+8*16] ; c = coeff[i] |
.loop: |
| 914 |
movq mm3, [ecx+8*eax+8*16 + 8] ; c' = coeff[i+1] |
movq mm0,[eax] |
| 915 |
pxor mm1, mm1 |
pxor mm3,mm3 |
|
pxor mm4, mm4 |
|
|
pcmpgtw mm1, mm0 ; sign(c) |
|
|
pcmpgtw mm4, mm3 ; sign(c') |
|
| 916 |
pxor mm2, mm2 |
pxor mm2, mm2 |
| 917 |
pxor mm5, mm5 |
pcmpeqw mm3,mm0 |
| 918 |
pcmpeqw mm2, mm0 ; c is zero |
pcmpgtw mm2,mm0 |
| 919 |
pcmpeqw mm5, mm3 ; c' is zero |
pmullw mm0,mm7 ; * 2 * quant |
| 920 |
pandn mm2, mm6 ; offset = isZero ? 0 : quant_add |
pandn mm3,mm6 |
| 921 |
pandn mm5, mm6 |
movq mm1,[eax+8] |
| 922 |
pxor mm0, mm1 ; negate if negative |
psubw mm0,mm2 |
| 923 |
pxor mm3, mm4 ; negate if negative |
pxor mm2,mm3 |
| 924 |
psubw mm0, mm1 |
pxor mm3,mm3 |
| 925 |
psubw mm3, mm4 |
paddw mm0,mm2 |
| 926 |
pmullw mm0, mm7 ; *= 2Q |
pxor mm2,mm2 |
| 927 |
pmullw mm3, mm7 ; *= 2Q |
pcmpgtw mm3,mm1 |
| 928 |
paddw mm0, mm2 ; + offset |
pcmpeqw mm2,mm1 |
| 929 |
paddw mm3, mm5 ; + offset |
pmullw mm1,mm7 |
| 930 |
paddw mm0, mm1 ; start restoring sign |
pandn mm2,mm6 |
| 931 |
paddw mm3, mm4 ; start restoring sign |
psubw mm1,mm3 |
| 932 |
; saturates to +2047 |
pxor mm3,mm2 |
| 933 |
movq mm2, [mmx_2047] |
paddw mm1,mm3 |
| 934 |
pminsw mm0, mm2 |
|
| 935 |
add eax, 2 |
pminsw mm0,mm4 |
| 936 |
pminsw mm3, mm2 |
pminsw mm1,mm4 |
| 937 |
|
pmaxsw mm0,mm5 |
| 938 |
pxor mm0, mm1 ; finish restoring sign |
pmaxsw mm1,mm5 |
| 939 |
pxor mm3, mm4 ; finish restoring sign |
|
| 940 |
movq [edx + 8*eax + 8*16 - 2*8], mm0 |
movq [edx],mm0 |
| 941 |
movq [edx + 8*eax + 8*16+8 - 2*8], mm3 |
lea eax,[eax+16] |
| 942 |
jnz near .loop |
movq [edx+8],mm1 |
| 943 |
|
|
| 944 |
|
dec ecx |
| 945 |
|
lea edx,[edx+16] |
| 946 |
|
jne .loop |
| 947 |
|
|
| 948 |
xor eax, eax |
xor eax, eax ; return 0 |
| 949 |
ret |
ret |
| 950 |
|
|
| 951 |
|
|
| 952 |
;----------------------------------------------------------------------------- |
;----------------------------------------------------------------------------- |
| 953 |
; |
; |
| 954 |
; uint32_t dequant_h263_inter_sse2(int16_t * data, |
; uint32_t dequant_h263_inter_sse2(int16_t * data, |
| 960 |
|
|
| 961 |
ALIGN 16 |
ALIGN 16 |
| 962 |
dequant_h263_inter_sse2: |
dequant_h263_inter_sse2: |
|
mov edx, [esp + 4] ; data |
|
|
mov ecx, [esp + 8] ; coeff |
|
|
mov eax, [esp + 12] ; quant |
|
|
movq mm6, [mmx_add + eax * 8 - 8] |
|
|
movq mm7, [mmx_mul + eax * 8 - 8] |
|
|
movq2dq xmm6, mm6 |
|
|
movq2dq xmm7, mm7 |
|
|
movlhps xmm6, xmm6 |
|
|
movlhps xmm7, xmm7 |
|
|
mov eax, -16 |
|
| 963 |
|
|
| 964 |
ALIGN 16 |
mov ecx, [esp+12] ; quant |
| 965 |
.loop |
mov eax, [esp+ 8] ; coeff |
|
movdqa xmm0, [ecx + 8*16 + 8*eax] ; c = coeff[i] |
|
|
movdqa xmm3, [ecx + 8*16 + 8*eax + 16] |
|
| 966 |
|
|
| 967 |
pxor xmm1, xmm1 |
movq xmm6, [mmx_quant + ecx*8] ; quant |
| 968 |
pxor xmm4, xmm4 |
inc ecx |
| 969 |
pcmpgtw xmm1, xmm0 ; sign(c) |
pcmpeqw xmm5,xmm5 |
| 970 |
pcmpgtw xmm4, xmm3 |
and ecx,1 |
| 971 |
|
movlhps xmm6,xmm6 |
| 972 |
|
movd xmm0,ecx |
| 973 |
|
movdqa xmm7,xmm6 |
| 974 |
|
pshuflw xmm0,xmm0,0 |
| 975 |
|
movdqa xmm4,xmm5 |
| 976 |
|
mov edx, [esp+ 4] ; data |
| 977 |
|
movlhps xmm0,xmm0 |
| 978 |
|
paddw xmm7,xmm7 |
| 979 |
|
psubw xmm6,xmm0 |
| 980 |
|
psrlw xmm4,5 ; 2047 |
| 981 |
|
mov ecx,4 |
| 982 |
|
pxor xmm5,xmm4 ; mm5=-2048 |
| 983 |
|
|
| 984 |
|
.loop: |
| 985 |
|
movdqa xmm0,[eax] |
| 986 |
|
pxor xmm3,xmm3 |
| 987 |
pxor xmm2, xmm2 |
pxor xmm2, xmm2 |
| 988 |
pxor xmm5, xmm5 |
pcmpeqw xmm3,xmm0 |
| 989 |
pcmpeqw xmm2, xmm0 ; c is zero |
pcmpgtw xmm2,xmm0 |
| 990 |
pcmpeqw xmm5, xmm3 |
pmullw xmm0,xmm7 ; * 2 * quant |
| 991 |
|
pandn xmm3,xmm6 |
| 992 |
|
movdqa xmm1,[eax+16] |
| 993 |
|
psubw xmm0,xmm2 |
| 994 |
|
pxor xmm2,xmm3 |
| 995 |
|
pxor xmm3,xmm3 |
| 996 |
|
paddw xmm0,xmm2 |
| 997 |
|
pxor xmm2,xmm2 |
| 998 |
|
pcmpgtw xmm3,xmm1 |
| 999 |
|
pcmpeqw xmm2,xmm1 |
| 1000 |
|
pmullw xmm1,xmm7 |
| 1001 |
pandn xmm2, xmm6 |
pandn xmm2, xmm6 |
| 1002 |
pandn xmm5, xmm6 |
psubw xmm1,xmm3 |
| 1003 |
pxor xmm0, xmm1 ; negate if negative |
pxor xmm3,xmm2 |
| 1004 |
pxor xmm3, xmm4 |
paddw xmm1,xmm3 |
| 1005 |
psubw xmm0, xmm1 |
|
| 1006 |
psubw xmm3, xmm4 |
pminsw xmm0,xmm4 |
| 1007 |
pmullw xmm0, xmm7 ; *= 2Q |
pminsw xmm1,xmm4 |
| 1008 |
pmullw xmm3, xmm7 |
pmaxsw xmm0,xmm5 |
| 1009 |
paddw xmm0, xmm2 ; + offset |
pmaxsw xmm1,xmm5 |
| 1010 |
paddw xmm3, xmm5 |
|
| 1011 |
|
movdqa [edx],xmm0 |
| 1012 |
paddw xmm0, xmm1 ; start restoring sign |
lea eax,[eax+32] |
| 1013 |
paddw xmm3, xmm4 |
movdqa [edx+16],xmm1 |
| 1014 |
|
|
| 1015 |
; saturates to +2047 |
dec ecx |
| 1016 |
movdqa xmm2, [sse2_2047] |
lea edx,[edx+32] |
| 1017 |
pminsw xmm0, xmm2 |
jne .loop |
|
add eax, 4 |
|
|
pminsw xmm3, xmm2 |
|
|
|
|
|
pxor xmm0, xmm1 ; finish restoring sign |
|
|
pxor xmm3, xmm4 |
|
|
movdqa [edx + 8*16 - 8*4 + 8*eax], xmm0 |
|
|
movdqa [edx + 8*16 - 8*4 + 8*eax + 16], xmm3 |
|
|
jnz near .loop |
|
| 1018 |
|
|
| 1019 |
xor eax, eax |
xor eax, eax ; return 0 |
| 1020 |
ret |
ret |
| 1021 |
|
|
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