Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | #!/usr/bin/env perl |
| 2 | # |
| 3 | # ==================================================================== |
| 4 | # Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL |
| 5 | # project. The module is, however, dual licensed under OpenSSL and |
| 6 | # CRYPTOGAMS licenses depending on where you obtain it. For further |
| 7 | # details see http://www.openssl.org/~appro/cryptogams/. |
| 8 | # ==================================================================== |
| 9 | # |
| 10 | # SHA512 block transform for x86. September 2007. |
| 11 | # |
| 12 | # Performance in clock cycles per processed byte (less is better): |
| 13 | # |
| 14 | # Pentium PIII P4 AMD K8 Core2 |
| 15 | # gcc 100 75 116 54 66 |
| 16 | # icc 97 77 95 55 57 |
| 17 | # x86 asm 61 56 82 36 40 |
| 18 | # SSE2 asm - - 38 24 20 |
| 19 | # x86_64 asm(*) - - 30 10.0 10.5 |
| 20 | # |
| 21 | # (*) x86_64 assembler performance is presented for reference |
| 22 | # purposes. |
| 23 | # |
| 24 | # IALU code-path is optimized for elder Pentiums. On vanilla Pentium |
| 25 | # performance improvement over compiler generated code reaches ~60%, |
| 26 | # while on PIII - ~35%. On newer ยต-archs improvement varies from 15% |
| 27 | # to 50%, but it's less important as they are expected to execute SSE2 |
| 28 | # code-path, which is commonly ~2-3x faster [than compiler generated |
| 29 | # code]. SSE2 code-path is as fast as original sha512-sse2.pl, even |
| 30 | # though it does not use 128-bit operations. The latter means that |
| 31 | # SSE2-aware kernel is no longer required to execute the code. Another |
| 32 | # difference is that new code optimizes amount of writes, but at the |
| 33 | # cost of increased data cache "footprint" by 1/2KB. |
| 34 | |
| 35 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; |
| 36 | push(@INC,"${dir}","${dir}../../perlasm"); |
| 37 | require "x86asm.pl"; |
| 38 | |
| 39 | &asm_init($ARGV[0],"sha512-586.pl",$ARGV[$#ARGV] eq "386"); |
| 40 | |
| 41 | $sse2=0; |
| 42 | for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); } |
| 43 | |
| 44 | &external_label("OPENSSL_ia32cap_P") if ($sse2); |
| 45 | |
| 46 | $Tlo=&DWP(0,"esp"); $Thi=&DWP(4,"esp"); |
| 47 | $Alo=&DWP(8,"esp"); $Ahi=&DWP(8+4,"esp"); |
| 48 | $Blo=&DWP(16,"esp"); $Bhi=&DWP(16+4,"esp"); |
| 49 | $Clo=&DWP(24,"esp"); $Chi=&DWP(24+4,"esp"); |
| 50 | $Dlo=&DWP(32,"esp"); $Dhi=&DWP(32+4,"esp"); |
| 51 | $Elo=&DWP(40,"esp"); $Ehi=&DWP(40+4,"esp"); |
| 52 | $Flo=&DWP(48,"esp"); $Fhi=&DWP(48+4,"esp"); |
| 53 | $Glo=&DWP(56,"esp"); $Ghi=&DWP(56+4,"esp"); |
| 54 | $Hlo=&DWP(64,"esp"); $Hhi=&DWP(64+4,"esp"); |
| 55 | $K512="ebp"; |
| 56 | |
| 57 | $Asse2=&QWP(0,"esp"); |
| 58 | $Bsse2=&QWP(8,"esp"); |
| 59 | $Csse2=&QWP(16,"esp"); |
| 60 | $Dsse2=&QWP(24,"esp"); |
| 61 | $Esse2=&QWP(32,"esp"); |
| 62 | $Fsse2=&QWP(40,"esp"); |
| 63 | $Gsse2=&QWP(48,"esp"); |
| 64 | $Hsse2=&QWP(56,"esp"); |
| 65 | |
| 66 | $A="mm0"; # B-D and |
| 67 | $E="mm4"; # F-H are commonly loaded to respectively mm1-mm3 and |
| 68 | # mm5-mm7, but it's done on on-demand basis... |
| 69 | |
| 70 | sub BODY_00_15_sse2 { |
| 71 | my $prefetch=shift; |
| 72 | |
| 73 | &movq ("mm5",$Fsse2); # load f |
| 74 | &movq ("mm6",$Gsse2); # load g |
| 75 | &movq ("mm7",$Hsse2); # load h |
| 76 | |
| 77 | &movq ("mm1",$E); # %mm1 is sliding right |
| 78 | &movq ("mm2",$E); # %mm2 is sliding left |
| 79 | &psrlq ("mm1",14); |
| 80 | &movq ($Esse2,$E); # modulo-scheduled save e |
| 81 | &psllq ("mm2",23); |
| 82 | &movq ("mm3","mm1"); # %mm3 is T1 |
| 83 | &psrlq ("mm1",4); |
| 84 | &pxor ("mm3","mm2"); |
| 85 | &psllq ("mm2",23); |
| 86 | &pxor ("mm3","mm1"); |
| 87 | &psrlq ("mm1",23); |
| 88 | &pxor ("mm3","mm2"); |
| 89 | &psllq ("mm2",4); |
| 90 | &pxor ("mm3","mm1"); |
| 91 | &paddq ("mm7",QWP(0,$K512)); # h+=K512[i] |
| 92 | &pxor ("mm3","mm2"); # T1=Sigma1_512(e) |
| 93 | |
| 94 | &pxor ("mm5","mm6"); # f^=g |
| 95 | &movq ("mm1",$Bsse2); # load b |
| 96 | &pand ("mm5",$E); # f&=e |
| 97 | &movq ("mm2",$Csse2); # load c |
| 98 | &pxor ("mm5","mm6"); # f^=g |
| 99 | &movq ($E,$Dsse2); # e = load d |
| 100 | &paddq ("mm3","mm5"); # T1+=Ch(e,f,g) |
| 101 | &movq (&QWP(0,"esp"),$A); # modulo-scheduled save a |
| 102 | &paddq ("mm3","mm7"); # T1+=h |
| 103 | |
| 104 | &movq ("mm5",$A); # %mm5 is sliding right |
| 105 | &movq ("mm6",$A); # %mm6 is sliding left |
| 106 | &paddq ("mm3",&QWP(8*9,"esp")); # T1+=X[0] |
| 107 | &psrlq ("mm5",28); |
| 108 | &paddq ($E,"mm3"); # e += T1 |
| 109 | &psllq ("mm6",25); |
| 110 | &movq ("mm7","mm5"); # %mm7 is T2 |
| 111 | &psrlq ("mm5",6); |
| 112 | &pxor ("mm7","mm6"); |
| 113 | &psllq ("mm6",5); |
| 114 | &pxor ("mm7","mm5"); |
| 115 | &psrlq ("mm5",5); |
| 116 | &pxor ("mm7","mm6"); |
| 117 | &psllq ("mm6",6); |
| 118 | &pxor ("mm7","mm5"); |
| 119 | &sub ("esp",8); |
| 120 | &pxor ("mm7","mm6"); # T2=Sigma0_512(a) |
| 121 | |
| 122 | &movq ("mm5",$A); # %mm5=a |
| 123 | &por ($A,"mm2"); # a=a|c |
| 124 | &movq ("mm6",&QWP(8*(9+16-14),"esp")) if ($prefetch); |
| 125 | &pand ("mm5","mm2"); # %mm5=a&c |
| 126 | &pand ($A,"mm1"); # a=(a|c)&b |
| 127 | &movq ("mm2",&QWP(8*(9+16-1),"esp")) if ($prefetch); |
| 128 | &por ("mm5",$A); # %mm5=(a&c)|((a|c)&b) |
| 129 | &paddq ("mm7","mm5"); # T2+=Maj(a,b,c) |
| 130 | &movq ($A,"mm3"); # a=T1 |
| 131 | |
| 132 | &mov (&LB("edx"),&BP(0,$K512)); |
| 133 | &paddq ($A,"mm7"); # a+=T2 |
| 134 | &add ($K512,8); |
| 135 | } |
| 136 | |
| 137 | sub BODY_00_15_x86 { |
| 138 | #define Sigma1(x) (ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41)) |
| 139 | # LO lo>>14^hi<<18 ^ lo>>18^hi<<14 ^ hi>>9^lo<<23 |
| 140 | # HI hi>>14^lo<<18 ^ hi>>18^lo<<14 ^ lo>>9^hi<<23 |
| 141 | &mov ("ecx",$Elo); |
| 142 | &mov ("edx",$Ehi); |
| 143 | &mov ("esi","ecx"); |
| 144 | |
| 145 | &shr ("ecx",9) # lo>>9 |
| 146 | &mov ("edi","edx"); |
| 147 | &shr ("edx",9) # hi>>9 |
| 148 | &mov ("ebx","ecx"); |
| 149 | &shl ("esi",14); # lo<<14 |
| 150 | &mov ("eax","edx"); |
| 151 | &shl ("edi",14); # hi<<14 |
| 152 | &xor ("ebx","esi"); |
| 153 | |
| 154 | &shr ("ecx",14-9); # lo>>14 |
| 155 | &xor ("eax","edi"); |
| 156 | &shr ("edx",14-9); # hi>>14 |
| 157 | &xor ("eax","ecx"); |
| 158 | &shl ("esi",18-14); # lo<<18 |
| 159 | &xor ("ebx","edx"); |
| 160 | &shl ("edi",18-14); # hi<<18 |
| 161 | &xor ("ebx","esi"); |
| 162 | |
| 163 | &shr ("ecx",18-14); # lo>>18 |
| 164 | &xor ("eax","edi"); |
| 165 | &shr ("edx",18-14); # hi>>18 |
| 166 | &xor ("eax","ecx"); |
| 167 | &shl ("esi",23-18); # lo<<23 |
| 168 | &xor ("ebx","edx"); |
| 169 | &shl ("edi",23-18); # hi<<23 |
| 170 | &xor ("eax","esi"); |
| 171 | &xor ("ebx","edi"); # T1 = Sigma1(e) |
| 172 | |
| 173 | &mov ("ecx",$Flo); |
| 174 | &mov ("edx",$Fhi); |
| 175 | &mov ("esi",$Glo); |
| 176 | &mov ("edi",$Ghi); |
| 177 | &add ("eax",$Hlo); |
| 178 | &adc ("ebx",$Hhi); # T1 += h |
| 179 | &xor ("ecx","esi"); |
| 180 | &xor ("edx","edi"); |
| 181 | &and ("ecx",$Elo); |
| 182 | &and ("edx",$Ehi); |
| 183 | &add ("eax",&DWP(8*(9+15)+0,"esp")); |
| 184 | &adc ("ebx",&DWP(8*(9+15)+4,"esp")); # T1 += X[0] |
| 185 | &xor ("ecx","esi"); |
| 186 | &xor ("edx","edi"); # Ch(e,f,g) = (f^g)&e)^g |
| 187 | |
| 188 | &mov ("esi",&DWP(0,$K512)); |
| 189 | &mov ("edi",&DWP(4,$K512)); # K[i] |
| 190 | &add ("eax","ecx"); |
| 191 | &adc ("ebx","edx"); # T1 += Ch(e,f,g) |
| 192 | &mov ("ecx",$Dlo); |
| 193 | &mov ("edx",$Dhi); |
| 194 | &add ("eax","esi"); |
| 195 | &adc ("ebx","edi"); # T1 += K[i] |
| 196 | &mov ($Tlo,"eax"); |
| 197 | &mov ($Thi,"ebx"); # put T1 away |
| 198 | &add ("eax","ecx"); |
| 199 | &adc ("ebx","edx"); # d += T1 |
| 200 | |
| 201 | #define Sigma0(x) (ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39)) |
| 202 | # LO lo>>28^hi<<4 ^ hi>>2^lo<<30 ^ hi>>7^lo<<25 |
| 203 | # HI hi>>28^lo<<4 ^ lo>>2^hi<<30 ^ lo>>7^hi<<25 |
| 204 | &mov ("ecx",$Alo); |
| 205 | &mov ("edx",$Ahi); |
| 206 | &mov ($Dlo,"eax"); |
| 207 | &mov ($Dhi,"ebx"); |
| 208 | &mov ("esi","ecx"); |
| 209 | |
| 210 | &shr ("ecx",2) # lo>>2 |
| 211 | &mov ("edi","edx"); |
| 212 | &shr ("edx",2) # hi>>2 |
| 213 | &mov ("ebx","ecx"); |
| 214 | &shl ("esi",4); # lo<<4 |
| 215 | &mov ("eax","edx"); |
| 216 | &shl ("edi",4); # hi<<4 |
| 217 | &xor ("ebx","esi"); |
| 218 | |
| 219 | &shr ("ecx",7-2); # lo>>7 |
| 220 | &xor ("eax","edi"); |
| 221 | &shr ("edx",7-2); # hi>>7 |
| 222 | &xor ("ebx","ecx"); |
| 223 | &shl ("esi",25-4); # lo<<25 |
| 224 | &xor ("eax","edx"); |
| 225 | &shl ("edi",25-4); # hi<<25 |
| 226 | &xor ("eax","esi"); |
| 227 | |
| 228 | &shr ("ecx",28-7); # lo>>28 |
| 229 | &xor ("ebx","edi"); |
| 230 | &shr ("edx",28-7); # hi>>28 |
| 231 | &xor ("eax","ecx"); |
| 232 | &shl ("esi",30-25); # lo<<30 |
| 233 | &xor ("ebx","edx"); |
| 234 | &shl ("edi",30-25); # hi<<30 |
| 235 | &xor ("eax","esi"); |
| 236 | &xor ("ebx","edi"); # Sigma0(a) |
| 237 | |
| 238 | &mov ("ecx",$Alo); |
| 239 | &mov ("edx",$Ahi); |
| 240 | &mov ("esi",$Blo); |
| 241 | &mov ("edi",$Bhi); |
| 242 | &add ("eax",$Tlo); |
| 243 | &adc ("ebx",$Thi); # T1 = Sigma0(a)+T1 |
| 244 | &or ("ecx","esi"); |
| 245 | &or ("edx","edi"); |
| 246 | &and ("ecx",$Clo); |
| 247 | &and ("edx",$Chi); |
| 248 | &and ("esi",$Alo); |
| 249 | &and ("edi",$Ahi); |
| 250 | &or ("ecx","esi"); |
| 251 | &or ("edx","edi"); # Maj(a,b,c) = ((a|b)&c)|(a&b) |
| 252 | |
| 253 | &add ("eax","ecx"); |
| 254 | &adc ("ebx","edx"); # T1 += Maj(a,b,c) |
| 255 | &mov ($Tlo,"eax"); |
| 256 | &mov ($Thi,"ebx"); |
| 257 | |
| 258 | &mov (&LB("edx"),&BP(0,$K512)); # pre-fetch LSB of *K |
| 259 | &sub ("esp",8); |
| 260 | &lea ($K512,&DWP(8,$K512)); # K++ |
| 261 | } |
| 262 | |
| 263 | |
| 264 | &function_begin("sha512_block_data_order"); |
| 265 | &mov ("esi",wparam(0)); # ctx |
| 266 | &mov ("edi",wparam(1)); # inp |
| 267 | &mov ("eax",wparam(2)); # num |
| 268 | &mov ("ebx","esp"); # saved sp |
| 269 | |
| 270 | &call (&label("pic_point")); # make it PIC! |
| 271 | &set_label("pic_point"); |
| 272 | &blindpop($K512); |
| 273 | &lea ($K512,&DWP(&label("K512")."-".&label("pic_point"),$K512)); |
| 274 | |
| 275 | &sub ("esp",16); |
| 276 | &and ("esp",-64); |
| 277 | |
| 278 | &shl ("eax",7); |
| 279 | &add ("eax","edi"); |
| 280 | &mov (&DWP(0,"esp"),"esi"); # ctx |
| 281 | &mov (&DWP(4,"esp"),"edi"); # inp |
| 282 | &mov (&DWP(8,"esp"),"eax"); # inp+num*128 |
| 283 | &mov (&DWP(12,"esp"),"ebx"); # saved sp |
| 284 | |
| 285 | if ($sse2) { |
| 286 | &picmeup("edx","OPENSSL_ia32cap_P",$K512,&label("K512")); |
| 287 | &bt (&DWP(0,"edx"),26); |
| 288 | &jnc (&label("loop_x86")); |
| 289 | |
| 290 | # load ctx->h[0-7] |
| 291 | &movq ($A,&QWP(0,"esi")); |
| 292 | &movq ("mm1",&QWP(8,"esi")); |
| 293 | &movq ("mm2",&QWP(16,"esi")); |
| 294 | &movq ("mm3",&QWP(24,"esi")); |
| 295 | &movq ($E,&QWP(32,"esi")); |
| 296 | &movq ("mm5",&QWP(40,"esi")); |
| 297 | &movq ("mm6",&QWP(48,"esi")); |
| 298 | &movq ("mm7",&QWP(56,"esi")); |
| 299 | &sub ("esp",8*10); |
| 300 | |
| 301 | &set_label("loop_sse2",16); |
| 302 | # &movq ($Asse2,$A); |
| 303 | &movq ($Bsse2,"mm1"); |
| 304 | &movq ($Csse2,"mm2"); |
| 305 | &movq ($Dsse2,"mm3"); |
| 306 | # &movq ($Esse2,$E); |
| 307 | &movq ($Fsse2,"mm5"); |
| 308 | &movq ($Gsse2,"mm6"); |
| 309 | &movq ($Hsse2,"mm7"); |
| 310 | |
| 311 | &mov ("ecx",&DWP(0,"edi")); |
| 312 | &mov ("edx",&DWP(4,"edi")); |
| 313 | &add ("edi",8); |
| 314 | &bswap ("ecx"); |
| 315 | &bswap ("edx"); |
| 316 | &mov (&DWP(8*9+4,"esp"),"ecx"); |
| 317 | &mov (&DWP(8*9+0,"esp"),"edx"); |
| 318 | |
| 319 | &set_label("00_14_sse2",16); |
| 320 | &mov ("eax",&DWP(0,"edi")); |
| 321 | &mov ("ebx",&DWP(4,"edi")); |
| 322 | &add ("edi",8); |
| 323 | &bswap ("eax"); |
| 324 | &bswap ("ebx"); |
| 325 | &mov (&DWP(8*8+4,"esp"),"eax"); |
| 326 | &mov (&DWP(8*8+0,"esp"),"ebx"); |
| 327 | |
| 328 | &BODY_00_15_sse2(); |
| 329 | |
| 330 | &cmp (&LB("edx"),0x35); |
| 331 | &jne (&label("00_14_sse2")); |
| 332 | |
| 333 | &BODY_00_15_sse2(1); |
| 334 | |
| 335 | &set_label("16_79_sse2",16); |
| 336 | #&movq ("mm2",&QWP(8*(9+16-1),"esp")); #prefetched in BODY_00_15 |
| 337 | #&movq ("mm6",&QWP(8*(9+16-14),"esp")); |
| 338 | &movq ("mm1","mm2"); |
| 339 | |
| 340 | &psrlq ("mm2",1); |
| 341 | &movq ("mm7","mm6"); |
| 342 | &psrlq ("mm6",6); |
| 343 | &movq ("mm3","mm2"); |
| 344 | |
| 345 | &psrlq ("mm2",7-1); |
| 346 | &movq ("mm5","mm6"); |
| 347 | &psrlq ("mm6",19-6); |
| 348 | &pxor ("mm3","mm2"); |
| 349 | |
| 350 | &psrlq ("mm2",8-7); |
| 351 | &pxor ("mm5","mm6"); |
| 352 | &psrlq ("mm6",61-19); |
| 353 | &pxor ("mm3","mm2"); |
| 354 | |
| 355 | &movq ("mm2",&QWP(8*(9+16),"esp")); |
| 356 | |
| 357 | &psllq ("mm1",56); |
| 358 | &pxor ("mm5","mm6"); |
| 359 | &psllq ("mm7",3); |
| 360 | &pxor ("mm3","mm1"); |
| 361 | |
| 362 | &paddq ("mm2",&QWP(8*(9+16-9),"esp")); |
| 363 | |
| 364 | &psllq ("mm1",63-56); |
| 365 | &pxor ("mm5","mm7"); |
| 366 | &psllq ("mm7",45-3); |
| 367 | &pxor ("mm3","mm1"); |
| 368 | &pxor ("mm5","mm7"); |
| 369 | |
| 370 | &paddq ("mm3","mm5"); |
| 371 | &paddq ("mm3","mm2"); |
| 372 | &movq (&QWP(8*9,"esp"),"mm3"); |
| 373 | |
| 374 | &BODY_00_15_sse2(1); |
| 375 | |
| 376 | &cmp (&LB("edx"),0x17); |
| 377 | &jne (&label("16_79_sse2")); |
| 378 | |
| 379 | # &movq ($A,$Asse2); |
| 380 | &movq ("mm1",$Bsse2); |
| 381 | &movq ("mm2",$Csse2); |
| 382 | &movq ("mm3",$Dsse2); |
| 383 | # &movq ($E,$Esse2); |
| 384 | &movq ("mm5",$Fsse2); |
| 385 | &movq ("mm6",$Gsse2); |
| 386 | &movq ("mm7",$Hsse2); |
| 387 | |
| 388 | &paddq ($A,&QWP(0,"esi")); |
| 389 | &paddq ("mm1",&QWP(8,"esi")); |
| 390 | &paddq ("mm2",&QWP(16,"esi")); |
| 391 | &paddq ("mm3",&QWP(24,"esi")); |
| 392 | &paddq ($E,&QWP(32,"esi")); |
| 393 | &paddq ("mm5",&QWP(40,"esi")); |
| 394 | &paddq ("mm6",&QWP(48,"esi")); |
| 395 | &paddq ("mm7",&QWP(56,"esi")); |
| 396 | |
| 397 | &movq (&QWP(0,"esi"),$A); |
| 398 | &movq (&QWP(8,"esi"),"mm1"); |
| 399 | &movq (&QWP(16,"esi"),"mm2"); |
| 400 | &movq (&QWP(24,"esi"),"mm3"); |
| 401 | &movq (&QWP(32,"esi"),$E); |
| 402 | &movq (&QWP(40,"esi"),"mm5"); |
| 403 | &movq (&QWP(48,"esi"),"mm6"); |
| 404 | &movq (&QWP(56,"esi"),"mm7"); |
| 405 | |
| 406 | &add ("esp",8*80); # destroy frame |
| 407 | &sub ($K512,8*80); # rewind K |
| 408 | |
| 409 | &cmp ("edi",&DWP(8*10+8,"esp")); # are we done yet? |
| 410 | &jb (&label("loop_sse2")); |
| 411 | |
| 412 | &emms (); |
| 413 | &mov ("esp",&DWP(8*10+12,"esp")); # restore sp |
| 414 | &function_end_A(); |
| 415 | } |
| 416 | &set_label("loop_x86",16); |
| 417 | # copy input block to stack reversing byte and qword order |
| 418 | for ($i=0;$i<8;$i++) { |
| 419 | &mov ("eax",&DWP($i*16+0,"edi")); |
| 420 | &mov ("ebx",&DWP($i*16+4,"edi")); |
| 421 | &mov ("ecx",&DWP($i*16+8,"edi")); |
| 422 | &mov ("edx",&DWP($i*16+12,"edi")); |
| 423 | &bswap ("eax"); |
| 424 | &bswap ("ebx"); |
| 425 | &bswap ("ecx"); |
| 426 | &bswap ("edx"); |
| 427 | &push ("eax"); |
| 428 | &push ("ebx"); |
| 429 | &push ("ecx"); |
| 430 | &push ("edx"); |
| 431 | } |
| 432 | &add ("edi",128); |
| 433 | &sub ("esp",9*8); # place for T,A,B,C,D,E,F,G,H |
| 434 | &mov (&DWP(8*(9+16)+4,"esp"),"edi"); |
| 435 | |
| 436 | # copy ctx->h[0-7] to A,B,C,D,E,F,G,H on stack |
| 437 | &lea ("edi",&DWP(8,"esp")); |
| 438 | &mov ("ecx",16); |
| 439 | &data_word(0xA5F3F689); # rep movsd |
| 440 | |
| 441 | &set_label("00_15_x86",16); |
| 442 | &BODY_00_15_x86(); |
| 443 | |
| 444 | &cmp (&LB("edx"),0x94); |
| 445 | &jne (&label("00_15_x86")); |
| 446 | |
| 447 | &set_label("16_79_x86",16); |
| 448 | #define sigma0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7)) |
| 449 | # LO lo>>1^hi<<31 ^ lo>>8^hi<<24 ^ lo>>7^hi<<25 |
| 450 | # HI hi>>1^lo<<31 ^ hi>>8^lo<<24 ^ hi>>7 |
| 451 | &mov ("ecx",&DWP(8*(9+15+16-1)+0,"esp")); |
| 452 | &mov ("edx",&DWP(8*(9+15+16-1)+4,"esp")); |
| 453 | &mov ("esi","ecx"); |
| 454 | |
| 455 | &shr ("ecx",1) # lo>>1 |
| 456 | &mov ("edi","edx"); |
| 457 | &shr ("edx",1) # hi>>1 |
| 458 | &mov ("eax","ecx"); |
| 459 | &shl ("esi",24); # lo<<24 |
| 460 | &mov ("ebx","edx"); |
| 461 | &shl ("edi",24); # hi<<24 |
| 462 | &xor ("ebx","esi"); |
| 463 | |
| 464 | &shr ("ecx",7-1); # lo>>7 |
| 465 | &xor ("eax","edi"); |
| 466 | &shr ("edx",7-1); # hi>>7 |
| 467 | &xor ("eax","ecx"); |
| 468 | &shl ("esi",31-24); # lo<<31 |
| 469 | &xor ("ebx","edx"); |
| 470 | &shl ("edi",25-24); # hi<<25 |
| 471 | &xor ("ebx","esi"); |
| 472 | |
| 473 | &shr ("ecx",8-7); # lo>>8 |
| 474 | &xor ("eax","edi"); |
| 475 | &shr ("edx",8-7); # hi>>8 |
| 476 | &xor ("eax","ecx"); |
| 477 | &shl ("edi",31-25); # hi<<31 |
| 478 | &xor ("ebx","edx"); |
| 479 | &xor ("eax","edi"); # T1 = sigma0(X[-15]) |
| 480 | |
| 481 | &mov (&DWP(0,"esp"),"eax"); |
| 482 | &mov (&DWP(4,"esp"),"ebx"); # put T1 away |
| 483 | |
| 484 | #define sigma1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6)) |
| 485 | # LO lo>>19^hi<<13 ^ hi>>29^lo<<3 ^ lo>>6^hi<<26 |
| 486 | # HI hi>>19^lo<<13 ^ lo>>29^hi<<3 ^ hi>>6 |
| 487 | &mov ("ecx",&DWP(8*(9+15+16-14)+0,"esp")); |
| 488 | &mov ("edx",&DWP(8*(9+15+16-14)+4,"esp")); |
| 489 | &mov ("esi","ecx"); |
| 490 | |
| 491 | &shr ("ecx",6) # lo>>6 |
| 492 | &mov ("edi","edx"); |
| 493 | &shr ("edx",6) # hi>>6 |
| 494 | &mov ("eax","ecx"); |
| 495 | &shl ("esi",3); # lo<<3 |
| 496 | &mov ("ebx","edx"); |
| 497 | &shl ("edi",3); # hi<<3 |
| 498 | &xor ("eax","esi"); |
| 499 | |
| 500 | &shr ("ecx",19-6); # lo>>19 |
| 501 | &xor ("ebx","edi"); |
| 502 | &shr ("edx",19-6); # hi>>19 |
| 503 | &xor ("eax","ecx"); |
| 504 | &shl ("esi",13-3); # lo<<13 |
| 505 | &xor ("ebx","edx"); |
| 506 | &shl ("edi",13-3); # hi<<13 |
| 507 | &xor ("ebx","esi"); |
| 508 | |
| 509 | &shr ("ecx",29-19); # lo>>29 |
| 510 | &xor ("eax","edi"); |
| 511 | &shr ("edx",29-19); # hi>>29 |
| 512 | &xor ("ebx","ecx"); |
| 513 | &shl ("edi",26-13); # hi<<26 |
| 514 | &xor ("eax","edx"); |
| 515 | &xor ("eax","edi"); # sigma1(X[-2]) |
| 516 | |
| 517 | &mov ("ecx",&DWP(8*(9+15+16)+0,"esp")); |
| 518 | &mov ("edx",&DWP(8*(9+15+16)+4,"esp")); |
| 519 | &add ("eax",&DWP(0,"esp")); |
| 520 | &adc ("ebx",&DWP(4,"esp")); # T1 = sigma1(X[-2])+T1 |
| 521 | &mov ("esi",&DWP(8*(9+15+16-9)+0,"esp")); |
| 522 | &mov ("edi",&DWP(8*(9+15+16-9)+4,"esp")); |
| 523 | &add ("eax","ecx"); |
| 524 | &adc ("ebx","edx"); # T1 += X[-16] |
| 525 | &add ("eax","esi"); |
| 526 | &adc ("ebx","edi"); # T1 += X[-7] |
| 527 | &mov (&DWP(8*(9+15)+0,"esp"),"eax"); |
| 528 | &mov (&DWP(8*(9+15)+4,"esp"),"ebx"); # save X[0] |
| 529 | |
| 530 | &BODY_00_15_x86(); |
| 531 | |
| 532 | &cmp (&LB("edx"),0x17); |
| 533 | &jne (&label("16_79_x86")); |
| 534 | |
| 535 | &mov ("esi",&DWP(8*(9+16+80)+0,"esp"));# ctx |
| 536 | &mov ("edi",&DWP(8*(9+16+80)+4,"esp"));# inp |
| 537 | for($i=0;$i<4;$i++) { |
| 538 | &mov ("eax",&DWP($i*16+0,"esi")); |
| 539 | &mov ("ebx",&DWP($i*16+4,"esi")); |
| 540 | &mov ("ecx",&DWP($i*16+8,"esi")); |
| 541 | &mov ("edx",&DWP($i*16+12,"esi")); |
| 542 | &add ("eax",&DWP(8+($i*16)+0,"esp")); |
| 543 | &adc ("ebx",&DWP(8+($i*16)+4,"esp")); |
| 544 | &mov (&DWP($i*16+0,"esi"),"eax"); |
| 545 | &mov (&DWP($i*16+4,"esi"),"ebx"); |
| 546 | &add ("ecx",&DWP(8+($i*16)+8,"esp")); |
| 547 | &adc ("edx",&DWP(8+($i*16)+12,"esp")); |
| 548 | &mov (&DWP($i*16+8,"esi"),"ecx"); |
| 549 | &mov (&DWP($i*16+12,"esi"),"edx"); |
| 550 | } |
| 551 | &add ("esp",8*(9+16+80)); # destroy frame |
| 552 | &sub ($K512,8*80); # rewind K |
| 553 | |
| 554 | &cmp ("edi",&DWP(8,"esp")); # are we done yet? |
| 555 | &jb (&label("loop_x86")); |
| 556 | |
| 557 | &mov ("esp",&DWP(12,"esp")); # restore sp |
| 558 | &function_end_A(); |
| 559 | |
| 560 | &set_label("K512",64); # Yes! I keep it in the code segment! |
| 561 | &data_word(0xd728ae22,0x428a2f98); # u64 |
| 562 | &data_word(0x23ef65cd,0x71374491); # u64 |
| 563 | &data_word(0xec4d3b2f,0xb5c0fbcf); # u64 |
| 564 | &data_word(0x8189dbbc,0xe9b5dba5); # u64 |
| 565 | &data_word(0xf348b538,0x3956c25b); # u64 |
| 566 | &data_word(0xb605d019,0x59f111f1); # u64 |
| 567 | &data_word(0xaf194f9b,0x923f82a4); # u64 |
| 568 | &data_word(0xda6d8118,0xab1c5ed5); # u64 |
| 569 | &data_word(0xa3030242,0xd807aa98); # u64 |
| 570 | &data_word(0x45706fbe,0x12835b01); # u64 |
| 571 | &data_word(0x4ee4b28c,0x243185be); # u64 |
| 572 | &data_word(0xd5ffb4e2,0x550c7dc3); # u64 |
| 573 | &data_word(0xf27b896f,0x72be5d74); # u64 |
| 574 | &data_word(0x3b1696b1,0x80deb1fe); # u64 |
| 575 | &data_word(0x25c71235,0x9bdc06a7); # u64 |
| 576 | &data_word(0xcf692694,0xc19bf174); # u64 |
| 577 | &data_word(0x9ef14ad2,0xe49b69c1); # u64 |
| 578 | &data_word(0x384f25e3,0xefbe4786); # u64 |
| 579 | &data_word(0x8b8cd5b5,0x0fc19dc6); # u64 |
| 580 | &data_word(0x77ac9c65,0x240ca1cc); # u64 |
| 581 | &data_word(0x592b0275,0x2de92c6f); # u64 |
| 582 | &data_word(0x6ea6e483,0x4a7484aa); # u64 |
| 583 | &data_word(0xbd41fbd4,0x5cb0a9dc); # u64 |
| 584 | &data_word(0x831153b5,0x76f988da); # u64 |
| 585 | &data_word(0xee66dfab,0x983e5152); # u64 |
| 586 | &data_word(0x2db43210,0xa831c66d); # u64 |
| 587 | &data_word(0x98fb213f,0xb00327c8); # u64 |
| 588 | &data_word(0xbeef0ee4,0xbf597fc7); # u64 |
| 589 | &data_word(0x3da88fc2,0xc6e00bf3); # u64 |
| 590 | &data_word(0x930aa725,0xd5a79147); # u64 |
| 591 | &data_word(0xe003826f,0x06ca6351); # u64 |
| 592 | &data_word(0x0a0e6e70,0x14292967); # u64 |
| 593 | &data_word(0x46d22ffc,0x27b70a85); # u64 |
| 594 | &data_word(0x5c26c926,0x2e1b2138); # u64 |
| 595 | &data_word(0x5ac42aed,0x4d2c6dfc); # u64 |
| 596 | &data_word(0x9d95b3df,0x53380d13); # u64 |
| 597 | &data_word(0x8baf63de,0x650a7354); # u64 |
| 598 | &data_word(0x3c77b2a8,0x766a0abb); # u64 |
| 599 | &data_word(0x47edaee6,0x81c2c92e); # u64 |
| 600 | &data_word(0x1482353b,0x92722c85); # u64 |
| 601 | &data_word(0x4cf10364,0xa2bfe8a1); # u64 |
| 602 | &data_word(0xbc423001,0xa81a664b); # u64 |
| 603 | &data_word(0xd0f89791,0xc24b8b70); # u64 |
| 604 | &data_word(0x0654be30,0xc76c51a3); # u64 |
| 605 | &data_word(0xd6ef5218,0xd192e819); # u64 |
| 606 | &data_word(0x5565a910,0xd6990624); # u64 |
| 607 | &data_word(0x5771202a,0xf40e3585); # u64 |
| 608 | &data_word(0x32bbd1b8,0x106aa070); # u64 |
| 609 | &data_word(0xb8d2d0c8,0x19a4c116); # u64 |
| 610 | &data_word(0x5141ab53,0x1e376c08); # u64 |
| 611 | &data_word(0xdf8eeb99,0x2748774c); # u64 |
| 612 | &data_word(0xe19b48a8,0x34b0bcb5); # u64 |
| 613 | &data_word(0xc5c95a63,0x391c0cb3); # u64 |
| 614 | &data_word(0xe3418acb,0x4ed8aa4a); # u64 |
| 615 | &data_word(0x7763e373,0x5b9cca4f); # u64 |
| 616 | &data_word(0xd6b2b8a3,0x682e6ff3); # u64 |
| 617 | &data_word(0x5defb2fc,0x748f82ee); # u64 |
| 618 | &data_word(0x43172f60,0x78a5636f); # u64 |
| 619 | &data_word(0xa1f0ab72,0x84c87814); # u64 |
| 620 | &data_word(0x1a6439ec,0x8cc70208); # u64 |
| 621 | &data_word(0x23631e28,0x90befffa); # u64 |
| 622 | &data_word(0xde82bde9,0xa4506ceb); # u64 |
| 623 | &data_word(0xb2c67915,0xbef9a3f7); # u64 |
| 624 | &data_word(0xe372532b,0xc67178f2); # u64 |
| 625 | &data_word(0xea26619c,0xca273ece); # u64 |
| 626 | &data_word(0x21c0c207,0xd186b8c7); # u64 |
| 627 | &data_word(0xcde0eb1e,0xeada7dd6); # u64 |
| 628 | &data_word(0xee6ed178,0xf57d4f7f); # u64 |
| 629 | &data_word(0x72176fba,0x06f067aa); # u64 |
| 630 | &data_word(0xa2c898a6,0x0a637dc5); # u64 |
| 631 | &data_word(0xbef90dae,0x113f9804); # u64 |
| 632 | &data_word(0x131c471b,0x1b710b35); # u64 |
| 633 | &data_word(0x23047d84,0x28db77f5); # u64 |
| 634 | &data_word(0x40c72493,0x32caab7b); # u64 |
| 635 | &data_word(0x15c9bebc,0x3c9ebe0a); # u64 |
| 636 | &data_word(0x9c100d4c,0x431d67c4); # u64 |
| 637 | &data_word(0xcb3e42b6,0x4cc5d4be); # u64 |
| 638 | &data_word(0xfc657e2a,0x597f299c); # u64 |
| 639 | &data_word(0x3ad6faec,0x5fcb6fab); # u64 |
| 640 | &data_word(0x4a475817,0x6c44198c); # u64 |
| 641 | &function_end_B("sha512_block_data_order"); |
| 642 | &asciz("SHA512 block transform for x86, CRYPTOGAMS by <appro\@openssl.org>"); |
| 643 | |
| 644 | &asm_finish(); |