2 # Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved.
4 # Licensed under the Apache License 2.0 (the "License"). You may not use
5 # this file except in compliance with the License. You can obtain a copy
6 # in the file LICENSE in the source distribution or at
7 # https://www.openssl.org/source/license.html
10 # ====================================================================
11 # Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
12 # project. The module is, however, dual licensed under OpenSSL and
13 # CRYPTOGAMS licenses depending on where you obtain it. For further
14 # details see http://www.openssl.org/~appro/cryptogams/.
15 # ====================================================================
17 # SHA512 block transform for x86. September 2007.
21 # Add SSSE3 code path, 20-25% improvement [over original SSE2 code].
23 # Performance in clock cycles per processed byte (less is better):
25 # gcc icc x86 asm SIMD(*) x86_64(**)
26 # Pentium 100 97 61 - -
28 # P4 116 95 82 34.6 30.8
29 # AMD K8 54 55 36 20.7 9.57
30 # Core2 66 57 40 15.9 9.97
31 # Westmere 70 - 38 12.2 9.58
32 # Sandy Bridge 58 - 35 11.9 11.2
33 # Ivy Bridge 50 - 33 11.5 8.17
34 # Haswell 46 - 29 11.3 7.66
35 # Skylake 40 - 26 13.3 7.25
36 # Bulldozer 121 - 50 14.0 13.5
37 # VIA Nano 91 - 52 33 14.7
38 # Atom 126 - 68 48(***) 14.7
39 # Silvermont 97 - 58 42(***) 17.5
40 # Goldmont 80 - 48 19.5 12.0
42 # (*) whichever best applicable.
43 # (**) x86_64 assembler performance is presented for reference
44 # purposes, the results are for integer-only code.
45 # (***) paddq is incredibly slow on Atom.
47 # IALU code-path is optimized for elder Pentiums. On vanilla Pentium
48 # performance improvement over compiler generated code reaches ~60%,
49 # while on PIII - ~35%. On newer ยต-archs improvement varies from 15%
50 # to 50%, but it's less important as they are expected to execute SSE2
51 # code-path, which is commonly ~2-3x faster [than compiler generated
52 # code]. SSE2 code-path is as fast as original sha512-sse2.pl, even
53 # though it does not use 128-bit operations. The latter means that
54 # SSE2-aware kernel is no longer required to execute the code. Another
55 # difference is that new code optimizes amount of writes, but at the
56 # cost of increased data cache "footprint" by 1/2KB.
58 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
59 push(@INC,"${dir}","${dir}../../perlasm");
62 $output=pop and open STDOUT,">$output";
64 &asm_init($ARGV[0],$ARGV[$#ARGV] eq "386");
67 for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
69 &external_label("OPENSSL_ia32cap_P") if ($sse2);
71 $Tlo=&DWP(0,"esp"); $Thi=&DWP(4,"esp");
72 $Alo=&DWP(8,"esp"); $Ahi=&DWP(8+4,"esp");
73 $Blo=&DWP(16,"esp"); $Bhi=&DWP(16+4,"esp");
74 $Clo=&DWP(24,"esp"); $Chi=&DWP(24+4,"esp");
75 $Dlo=&DWP(32,"esp"); $Dhi=&DWP(32+4,"esp");
76 $Elo=&DWP(40,"esp"); $Ehi=&DWP(40+4,"esp");
77 $Flo=&DWP(48,"esp"); $Fhi=&DWP(48+4,"esp");
78 $Glo=&DWP(56,"esp"); $Ghi=&DWP(56+4,"esp");
79 $Hlo=&DWP(64,"esp"); $Hhi=&DWP(64+4,"esp");
84 $Csse2=&QWP(16,"esp");
85 $Dsse2=&QWP(24,"esp");
86 $Esse2=&QWP(32,"esp");
87 $Fsse2=&QWP(40,"esp");
88 $Gsse2=&QWP(48,"esp");
89 $Hsse2=&QWP(56,"esp");
92 $E="mm4"; # F-H are commonly loaded to respectively mm1-mm3 and
93 # mm5-mm7, but it's done on on-demand basis...
94 $BxC="mm2"; # ... except for B^C
99 #&movq ("mm5",$Fsse2); # load f
100 #&movq ("mm6",$Gsse2); # load g
102 &movq ("mm1",$E); # %mm1 is sliding right
103 &pxor ("mm5","mm6"); # f^=g
105 &movq ($Esse2,$E); # modulo-scheduled save e
106 &pand ("mm5",$E); # f&=e
107 &psllq ($E,23); # $E is sliding left
108 &movq ($A,"mm3") if ($phase<2);
109 &movq (&QWP(8*9,"esp"),"mm7") # save X[i]
110 &movq ("mm3","mm1"); # %mm3 is T1
112 &pxor ("mm5","mm6"); # Ch(e,f,g)
116 &movq ($Asse2,$A); # modulo-scheduled save a
117 &paddq ("mm7","mm5"); # X[i]+=Ch(e,f,g)
120 &paddq ("mm7",$Hsse2); # X[i]+=h
123 &paddq ("mm7",QWP(0,$K512)); # X[i]+=K512[i]
124 &pxor ("mm3",$E); # T1=Sigma1_512(e)
126 &movq ($E,$Dsse2); # e = load d, e in next round
127 &paddq ("mm3","mm7"); # T1+=X[i]
128 &movq ("mm5",$A); # %mm5 is sliding right
130 &paddq ($E,"mm3"); # d += T1
131 &movq ("mm6",$A); # %mm6 is sliding left
134 &movq ("mm1",$Bsse2); # load b
140 &pxor ($A,"mm1"); # a^b, b^c in next round
143 &pand ($BxC,$A); # (b^c)&(a^b)
146 &pxor ($BxC,"mm1"); # [h=]Maj(a,b,c)
147 &pxor ("mm6","mm7"); # Sigma0_512(a)
148 &movq ("mm7",&QWP(8*(9+16-1),"esp")) if ($phase!=0); # pre-fetch
149 &movq ("mm5",$Fsse2) if ($phase==0); # load f
152 &paddq ($BxC,"mm6"); # h+=Sigma0(a)
154 #&paddq ($BxC,"mm3"); # h+=T1
156 ($A,$BxC) = ($BxC,$A); # rotate registers
158 &paddq ("mm3",$BxC); # T1+=Maj(a,b,c)
161 &paddq ("mm3","mm6"); # T1+=Sigma0(a)
162 &movq ("mm6",$Gsse2) if ($phase==0); # load g
163 #&movq ($A,"mm3"); # h=T1
168 #define Sigma1(x) (ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41))
169 # LO lo>>14^hi<<18 ^ lo>>18^hi<<14 ^ hi>>9^lo<<23
170 # HI hi>>14^lo<<18 ^ hi>>18^lo<<14 ^ lo>>9^hi<<23
175 &shr ("ecx",9); # lo>>9
177 &shr ("edx",9); # hi>>9
179 &shl ("esi",14); # lo<<14
181 &shl ("edi",14); # hi<<14
184 &shr ("ecx",14-9); # lo>>14
186 &shr ("edx",14-9); # hi>>14
188 &shl ("esi",18-14); # lo<<18
190 &shl ("edi",18-14); # hi<<18
193 &shr ("ecx",18-14); # lo>>18
195 &shr ("edx",18-14); # hi>>18
197 &shl ("esi",23-18); # lo<<23
199 &shl ("edi",23-18); # hi<<23
201 &xor ("ebx","edi"); # T1 = Sigma1(e)
208 &adc ("ebx",$Hhi); # T1 += h
213 &add ("eax",&DWP(8*(9+15)+0,"esp"));
214 &adc ("ebx",&DWP(8*(9+15)+4,"esp")); # T1 += X[0]
216 &xor ("edx","edi"); # Ch(e,f,g) = (f^g)&e)^g
218 &mov ("esi",&DWP(0,$K512));
219 &mov ("edi",&DWP(4,$K512)); # K[i]
221 &adc ("ebx","edx"); # T1 += Ch(e,f,g)
225 &adc ("ebx","edi"); # T1 += K[i]
227 &mov ($Thi,"ebx"); # put T1 away
229 &adc ("ebx","edx"); # d += T1
231 #define Sigma0(x) (ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39))
232 # LO lo>>28^hi<<4 ^ hi>>2^lo<<30 ^ hi>>7^lo<<25
233 # HI hi>>28^lo<<4 ^ lo>>2^hi<<30 ^ lo>>7^hi<<25
240 &shr ("ecx",2); # lo>>2
242 &shr ("edx",2); # hi>>2
244 &shl ("esi",4); # lo<<4
246 &shl ("edi",4); # hi<<4
249 &shr ("ecx",7-2); # lo>>7
251 &shr ("edx",7-2); # hi>>7
253 &shl ("esi",25-4); # lo<<25
255 &shl ("edi",25-4); # hi<<25
258 &shr ("ecx",28-7); # lo>>28
260 &shr ("edx",28-7); # hi>>28
262 &shl ("esi",30-25); # lo<<30
264 &shl ("edi",30-25); # hi<<30
266 &xor ("ebx","edi"); # Sigma0(a)
273 &adc ("ebx",$Thi); # T1 = Sigma0(a)+T1
281 &or ("edx","edi"); # Maj(a,b,c) = ((a|b)&c)|(a&b)
284 &adc ("ebx","edx"); # T1 += Maj(a,b,c)
288 &mov (&LB("edx"),&BP(0,$K512)); # pre-fetch LSB of *K
290 &lea ($K512,&DWP(8,$K512)); # K++
294 &function_begin("sha512_block_data_order");
295 &mov ("esi",wparam(0)); # ctx
296 &mov ("edi",wparam(1)); # inp
297 &mov ("eax",wparam(2)); # num
298 &mov ("ebx","esp"); # saved sp
300 &call (&label("pic_point")); # make it PIC!
301 &set_label("pic_point");
303 &lea ($K512,&DWP(&label("K512")."-".&label("pic_point"),$K512));
310 &mov (&DWP(0,"esp"),"esi"); # ctx
311 &mov (&DWP(4,"esp"),"edi"); # inp
312 &mov (&DWP(8,"esp"),"eax"); # inp+num*128
313 &mov (&DWP(12,"esp"),"ebx"); # saved sp
316 &picmeup("edx","OPENSSL_ia32cap_P",$K512,&label("K512"));
317 &mov ("ecx",&DWP(0,"edx"));
319 &jz (&label("loop_x86"));
321 &mov ("edx",&DWP(4,"edx"));
324 &movq ($A,&QWP(0,"esi"));
325 &and ("ecx",1<<24); # XMM registers availability
326 &movq ("mm1",&QWP(8,"esi"));
327 &and ("edx",1<<9); # SSSE3 bit
328 &movq ($BxC,&QWP(16,"esi"));
330 &movq ("mm3",&QWP(24,"esi"));
331 &movq ($E,&QWP(32,"esi"));
332 &movq ("mm5",&QWP(40,"esi"));
333 &movq ("mm6",&QWP(48,"esi"));
334 &movq ("mm7",&QWP(56,"esi"));
335 &cmp ("ecx",1<<24|1<<9);
336 &je (&label("SSSE3"));
338 &jmp (&label("loop_sse2"));
340 &set_label("loop_sse2",16);
342 &movq ($Bsse2,"mm1");
344 &movq ($Dsse2,"mm3");
346 &movq ($Fsse2,"mm5");
347 &movq ($Gsse2,"mm6");
348 &pxor ($BxC,"mm1"); # magic
349 &movq ($Hsse2,"mm7");
350 &movq ("mm3",$A); # magic
352 &mov ("eax",&DWP(0,"edi"));
353 &mov ("ebx",&DWP(4,"edi"));
355 &mov ("edx",15); # counter
358 &jmp (&label("00_14_sse2"));
360 &set_label("00_14_sse2",16);
362 &mov ("eax",&DWP(0,"edi"));
364 &mov ("ebx",&DWP(4,"edi"));
368 &punpckldq("mm7","mm1");
373 &jnz (&label("00_14_sse2"));
377 &punpckldq("mm7","mm1");
381 &pxor ($A,$A); # A is in %mm3
382 &mov ("edx",32); # counter
383 &jmp (&label("16_79_sse2"));
385 &set_label("16_79_sse2",16);
386 for ($j=0;$j<2;$j++) { # 2x unroll
387 #&movq ("mm7",&QWP(8*(9+16-1),"esp")); # prefetched in BODY_00_15
388 &movq ("mm5",&QWP(8*(9+16-14),"esp"));
394 &paddq ($A,"mm3"); # from BODY_00_15
398 &psllq ("mm1",63-56);
404 &pxor ("mm7","mm3"); # sigma0
408 &paddq ("mm7",&QWP(8*(9+16),"esp"));
410 &psrlq ("mm5",61-19);
411 &paddq ("mm7",&QWP(8*(9+16-9),"esp"));
414 &movq ("mm5",$Fsse2); # load f
415 &pxor ("mm1","mm6"); # sigma1
416 &movq ("mm6",$Gsse2); # load g
418 &paddq ("mm7","mm1"); # X[i]
419 #&movq (&QWP(8*9,"esp"),"mm7"); # moved to BODY_00_15
424 &jnz (&label("16_79_sse2"));
427 &paddq ($A,"mm3"); # from BODY_00_15
428 &movq ("mm1",$Bsse2);
429 #&movq ($BxC,$Csse2);
430 &movq ("mm3",$Dsse2);
432 &movq ("mm5",$Fsse2);
433 &movq ("mm6",$Gsse2);
434 &movq ("mm7",$Hsse2);
436 &pxor ($BxC,"mm1"); # de-magic
437 &paddq ($A,&QWP(0,"esi"));
438 &paddq ("mm1",&QWP(8,"esi"));
439 &paddq ($BxC,&QWP(16,"esi"));
440 &paddq ("mm3",&QWP(24,"esi"));
441 &paddq ($E,&QWP(32,"esi"));
442 &paddq ("mm5",&QWP(40,"esi"));
443 &paddq ("mm6",&QWP(48,"esi"));
444 &paddq ("mm7",&QWP(56,"esi"));
447 &movq (&QWP(0,"esi"),$A);
448 &movq (&QWP(8,"esi"),"mm1");
449 &movq (&QWP(16,"esi"),$BxC);
450 &movq (&QWP(24,"esi"),"mm3");
451 &movq (&QWP(32,"esi"),$E);
452 &movq (&QWP(40,"esi"),"mm5");
453 &movq (&QWP(48,"esi"),"mm6");
454 &movq (&QWP(56,"esi"),"mm7");
456 &lea ("esp",&DWP(0,"esp","eax")); # destroy frame
457 &sub ($K512,"eax"); # rewind K
459 &cmp ("edi",&DWP(8*10+8,"esp")); # are we done yet?
460 &jb (&label("loop_sse2"));
462 &mov ("esp",&DWP(8*10+12,"esp")); # restore sp
466 &set_label("SSSE3",32);
467 { my ($cnt,$frame)=("ecx","edx");
468 my @X=map("xmm$_",(0..7));
472 &lea ($frame,&DWP(-64,"esp"));
475 # fixed stack frame layout
477 # +0 A B C D E F G H # backing store
478 # +64 X[0]+K[i] .. X[15]+K[i] # XMM->MM xfer area
479 # +192 # XMM off-load ring buffer
480 # +256 # saved parameters
482 &movdqa (@X[1],&QWP(80*8,$K512)); # byte swap mask
483 &movdqu (@X[0],&QWP(0,"edi"));
484 &pshufb (@X[0],@X[1]);
485 for ($j=0;$j<8;$j++) {
486 &movdqa (&QWP(16*(($j-1)%4),$frame),@X[3]) if ($j>4); # off-load
487 &movdqa (@X[3],&QWP(16*($j%8),$K512));
488 &movdqa (@X[2],@X[1]) if ($j<7); # perpetuate byte swap mask
489 &movdqu (@X[1],&QWP(16*($j+1),"edi")) if ($j<7); # next input
490 &movdqa (@X[1],&QWP(16*(($j+1)%4),$frame)) if ($j==7);# restore @X[0]
491 &paddq (@X[3],@X[0]);
492 &pshufb (@X[1],@X[2]) if ($j<7);
493 &movdqa (&QWP(16*($j%8)-128,$frame),@X[3]); # xfer X[i]+K[i]
495 push(@X,shift(@X)); # rotate(@X)
497 #&jmp (&label("loop_ssse3"));
500 &set_label("loop_ssse3",32);
501 &movdqa (@X[2],&QWP(16*(($j+1)%4),$frame)); # pre-restore @X[1]
502 &movdqa (&QWP(16*(($j-1)%4),$frame),@X[3]); # off-load @X[3]
503 &lea ($K512,&DWP(16*8,$K512));
505 #&movq ($Asse2,$A); # off-load A-H
506 &movq ($Bsse2,"mm1");
509 &lea ("edi",&DWP(128,"edi")); # advance input
510 &movq ($Dsse2,"mm3");
513 &movq ($Fsse2,"mm5");
514 &cmovb ("ebx","edi");
515 &movq ($Gsse2,"mm6");
516 &mov ("ecx",4); # loop counter
517 &pxor ($BxC,"mm1"); # magic
518 &movq ($Hsse2,"mm7");
519 &pxor ("mm3","mm3"); # magic
521 &jmp (&label("00_47_ssse3"));
523 sub BODY_00_15_ssse3 { # "phase-less" copy of BODY_00_15_sse2
525 '&movq ("mm1",$E)', # %mm1 is sliding right
526 '&movq ("mm7",&QWP(((-8*$i)%128)-128,$frame))',# X[i]+K[i]
527 '&pxor ("mm5","mm6")', # f^=g
529 '&movq (&QWP(8*($i+4)%64,"esp"),$E)', # modulo-scheduled save e
530 '&pand ("mm5",$E)', # f&=e
531 '&psllq ($E,23)', # $E is sliding left
532 '&paddq ($A,"mm3")', # [h+=Maj(a,b,c)]
533 '&movq ("mm3","mm1")', # %mm3 is T1
535 '&pxor ("mm5","mm6")', # Ch(e,f,g)
538 '&pxor ("mm3","mm1")',
539 '&movq (&QWP(8*$i%64,"esp"),$A)', # modulo-scheduled save a
540 '&paddq("mm7","mm5")', # X[i]+=Ch(e,f,g)
543 '&paddq("mm7",&QWP(8*($i+7)%64,"esp"))', # X[i]+=h
544 '&pxor ("mm3","mm1")',
546 '&pxor ("mm3",$E)', # T1=Sigma1_512(e)
548 '&movq ($E,&QWP(8*($i+3)%64,"esp"))', # e = load d, e in next round
549 '&paddq ("mm3","mm7")', # T1+=X[i]
550 '&movq ("mm5",$A)', # %mm5 is sliding right
552 '&paddq ($E,"mm3")', # d += T1
553 '&movq ("mm6",$A)', # %mm6 is sliding left
554 '&movq ("mm7","mm5")',
556 '&movq ("mm1",&QWP(8*($i+1)%64,"esp"))', # load b
558 '&pxor ("mm7","mm6")',
560 '&pxor ("mm7","mm5")',
561 '&pxor ($A,"mm1")', # a^b, b^c in next round
563 '&pxor ("mm7","mm6")',
564 '&pand ($BxC,$A)', # (b^c)&(a^b)
566 '&pxor ("mm7","mm5")',
567 '&pxor ($BxC,"mm1")', # [h=]Maj(a,b,c)
568 '&pxor ("mm6","mm7")', # Sigma0_512(a)
569 '&movq ("mm5",&QWP(8*($i+5-1)%64,"esp"))', # pre-load f
570 '&paddq ($BxC,"mm6")', # h+=Sigma0(a)
571 '&movq ("mm6",&QWP(8*($i+6-1)%64,"esp"))', # pre-load g
573 '($A,$BxC) = ($BxC,$A); $i--;'
577 &set_label("00_47_ssse3",32);
580 my ($t0,$t2,$t1)=@X[2..4];
581 my @insns = (&BODY_00_15_ssse3(),&BODY_00_15_ssse3());
584 &movdqa (@X[1],$t0); # restore @X[1]
585 &palignr ($t0,@X[0],8); # X[1..2]
586 &movdqa (&QWP(16*($j%4),$frame),@X[4]); # off-load @X[4]
587 &palignr ($t2,@X[4],8); # X[9..10]
591 &paddq (@X[0],$t2); # X[0..1] += X[9..10]
601 &pxor ($t0,$t2); # sigma0(X[1..2])
604 &paddq (@X[0],$t0); # X[0..1] += sigma0(X[1..2])
614 &movdqa ($t2,&QWP(16*(($j+2)%4),$frame));# pre-restore @X[1]
615 &pxor ($t1,$t0); # sigma0(X[1..2])
616 &movdqa ($t0,&QWP(16*($j%8),$K512));
618 &paddq (@X[0],$t1); # X[0..1] += sigma0(X[14..15])
624 foreach(@insns) { eval; }
625 &movdqa (&QWP(16*($j%8)-128,$frame),$t0);# xfer X[i]+K[i]
627 push(@X,shift(@X)); # rotate(@X)
629 &lea ($K512,&DWP(16*8,$K512));
631 &jnz (&label("00_47_ssse3"));
633 &movdqa (@X[1],&QWP(0,$K512)); # byte swap mask
634 &lea ($K512,&DWP(-80*8,$K512)); # rewind
635 &movdqu (@X[0],&QWP(0,"ebx"));
636 &pshufb (@X[0],@X[1]);
638 for ($j=0;$j<8;$j++) { # load next or same block
639 my @insns = (&BODY_00_15_ssse3(),&BODY_00_15_ssse3());
641 &movdqa (&QWP(16*(($j-1)%4),$frame),@X[3]) if ($j>4); # off-load
642 &movdqa (@X[3],&QWP(16*($j%8),$K512));
643 &movdqa (@X[2],@X[1]) if ($j<7); # perpetuate byte swap mask
644 &movdqu (@X[1],&QWP(16*($j+1),"ebx")) if ($j<7); # next input
645 &movdqa (@X[1],&QWP(16*(($j+1)%4),$frame)) if ($j==7);# restore @X[0]
646 &paddq (@X[3],@X[0]);
647 &pshufb (@X[1],@X[2]) if ($j<7);
648 foreach(@insns) { eval; }
649 &movdqa (&QWP(16*($j%8)-128,$frame),@X[3]);# xfer X[i]+K[i]
651 push(@X,shift(@X)); # rotate(@X)
654 #&movq ($A,$Asse2); # load A-H
655 &movq ("mm1",$Bsse2);
656 &paddq ($A,"mm3"); # from BODY_00_15
657 #&movq ($BxC,$Csse2);
658 &movq ("mm3",$Dsse2);
660 #&movq ("mm5",$Fsse2);
661 #&movq ("mm6",$Gsse2);
662 &movq ("mm7",$Hsse2);
664 &pxor ($BxC,"mm1"); # de-magic
665 &paddq ($A,&QWP(0,"esi"));
666 &paddq ("mm1",&QWP(8,"esi"));
667 &paddq ($BxC,&QWP(16,"esi"));
668 &paddq ("mm3",&QWP(24,"esi"));
669 &paddq ($E,&QWP(32,"esi"));
670 &paddq ("mm5",&QWP(40,"esi"));
671 &paddq ("mm6",&QWP(48,"esi"));
672 &paddq ("mm7",&QWP(56,"esi"));
674 &movq (&QWP(0,"esi"),$A);
675 &movq (&QWP(8,"esi"),"mm1");
676 &movq (&QWP(16,"esi"),$BxC);
677 &movq (&QWP(24,"esi"),"mm3");
678 &movq (&QWP(32,"esi"),$E);
679 &movq (&QWP(40,"esi"),"mm5");
680 &movq (&QWP(48,"esi"),"mm6");
681 &movq (&QWP(56,"esi"),"mm7");
683 &cmp ("edi","eax") # are we done yet?
684 &jb (&label("loop_ssse3"));
686 &mov ("esp",&DWP(64+12,$frame)); # restore sp
691 &set_label("loop_x86",16);
692 # copy input block to stack reversing byte and qword order
693 for ($i=0;$i<8;$i++) {
694 &mov ("eax",&DWP($i*16+0,"edi"));
695 &mov ("ebx",&DWP($i*16+4,"edi"));
696 &mov ("ecx",&DWP($i*16+8,"edi"));
697 &mov ("edx",&DWP($i*16+12,"edi"));
708 &sub ("esp",9*8); # place for T,A,B,C,D,E,F,G,H
709 &mov (&DWP(8*(9+16)+4,"esp"),"edi");
711 # copy ctx->h[0-7] to A,B,C,D,E,F,G,H on stack
712 &lea ("edi",&DWP(8,"esp"));
714 &data_word(0xA5F3F689); # rep movsd
716 &set_label("00_15_x86",16);
719 &cmp (&LB("edx"),0x94);
720 &jne (&label("00_15_x86"));
722 &set_label("16_79_x86",16);
723 #define sigma0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7))
724 # LO lo>>1^hi<<31 ^ lo>>8^hi<<24 ^ lo>>7^hi<<25
725 # HI hi>>1^lo<<31 ^ hi>>8^lo<<24 ^ hi>>7
726 &mov ("ecx",&DWP(8*(9+15+16-1)+0,"esp"));
727 &mov ("edx",&DWP(8*(9+15+16-1)+4,"esp"));
730 &shr ("ecx",1); # lo>>1
732 &shr ("edx",1); # hi>>1
734 &shl ("esi",24); # lo<<24
736 &shl ("edi",24); # hi<<24
739 &shr ("ecx",7-1); # lo>>7
741 &shr ("edx",7-1); # hi>>7
743 &shl ("esi",31-24); # lo<<31
745 &shl ("edi",25-24); # hi<<25
748 &shr ("ecx",8-7); # lo>>8
750 &shr ("edx",8-7); # hi>>8
752 &shl ("edi",31-25); # hi<<31
754 &xor ("eax","edi"); # T1 = sigma0(X[-15])
756 &mov (&DWP(0,"esp"),"eax");
757 &mov (&DWP(4,"esp"),"ebx"); # put T1 away
759 #define sigma1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6))
760 # LO lo>>19^hi<<13 ^ hi>>29^lo<<3 ^ lo>>6^hi<<26
761 # HI hi>>19^lo<<13 ^ lo>>29^hi<<3 ^ hi>>6
762 &mov ("ecx",&DWP(8*(9+15+16-14)+0,"esp"));
763 &mov ("edx",&DWP(8*(9+15+16-14)+4,"esp"));
766 &shr ("ecx",6); # lo>>6
768 &shr ("edx",6); # hi>>6
770 &shl ("esi",3); # lo<<3
772 &shl ("edi",3); # hi<<3
775 &shr ("ecx",19-6); # lo>>19
777 &shr ("edx",19-6); # hi>>19
779 &shl ("esi",13-3); # lo<<13
781 &shl ("edi",13-3); # hi<<13
784 &shr ("ecx",29-19); # lo>>29
786 &shr ("edx",29-19); # hi>>29
788 &shl ("edi",26-13); # hi<<26
790 &xor ("eax","edi"); # sigma1(X[-2])
792 &mov ("ecx",&DWP(8*(9+15+16)+0,"esp"));
793 &mov ("edx",&DWP(8*(9+15+16)+4,"esp"));
794 &add ("eax",&DWP(0,"esp"));
795 &adc ("ebx",&DWP(4,"esp")); # T1 = sigma1(X[-2])+T1
796 &mov ("esi",&DWP(8*(9+15+16-9)+0,"esp"));
797 &mov ("edi",&DWP(8*(9+15+16-9)+4,"esp"));
799 &adc ("ebx","edx"); # T1 += X[-16]
801 &adc ("ebx","edi"); # T1 += X[-7]
802 &mov (&DWP(8*(9+15)+0,"esp"),"eax");
803 &mov (&DWP(8*(9+15)+4,"esp"),"ebx"); # save X[0]
807 &cmp (&LB("edx"),0x17);
808 &jne (&label("16_79_x86"));
810 &mov ("esi",&DWP(8*(9+16+80)+0,"esp"));# ctx
811 &mov ("edi",&DWP(8*(9+16+80)+4,"esp"));# inp
812 for($i=0;$i<4;$i++) {
813 &mov ("eax",&DWP($i*16+0,"esi"));
814 &mov ("ebx",&DWP($i*16+4,"esi"));
815 &mov ("ecx",&DWP($i*16+8,"esi"));
816 &mov ("edx",&DWP($i*16+12,"esi"));
817 &add ("eax",&DWP(8+($i*16)+0,"esp"));
818 &adc ("ebx",&DWP(8+($i*16)+4,"esp"));
819 &mov (&DWP($i*16+0,"esi"),"eax");
820 &mov (&DWP($i*16+4,"esi"),"ebx");
821 &add ("ecx",&DWP(8+($i*16)+8,"esp"));
822 &adc ("edx",&DWP(8+($i*16)+12,"esp"));
823 &mov (&DWP($i*16+8,"esi"),"ecx");
824 &mov (&DWP($i*16+12,"esi"),"edx");
826 &add ("esp",8*(9+16+80)); # destroy frame
827 &sub ($K512,8*80); # rewind K
829 &cmp ("edi",&DWP(8,"esp")); # are we done yet?
830 &jb (&label("loop_x86"));
832 &mov ("esp",&DWP(12,"esp")); # restore sp
835 &set_label("K512",64); # Yes! I keep it in the code segment!
836 &data_word(0xd728ae22,0x428a2f98); # u64
837 &data_word(0x23ef65cd,0x71374491); # u64
838 &data_word(0xec4d3b2f,0xb5c0fbcf); # u64
839 &data_word(0x8189dbbc,0xe9b5dba5); # u64
840 &data_word(0xf348b538,0x3956c25b); # u64
841 &data_word(0xb605d019,0x59f111f1); # u64
842 &data_word(0xaf194f9b,0x923f82a4); # u64
843 &data_word(0xda6d8118,0xab1c5ed5); # u64
844 &data_word(0xa3030242,0xd807aa98); # u64
845 &data_word(0x45706fbe,0x12835b01); # u64
846 &data_word(0x4ee4b28c,0x243185be); # u64
847 &data_word(0xd5ffb4e2,0x550c7dc3); # u64
848 &data_word(0xf27b896f,0x72be5d74); # u64
849 &data_word(0x3b1696b1,0x80deb1fe); # u64
850 &data_word(0x25c71235,0x9bdc06a7); # u64
851 &data_word(0xcf692694,0xc19bf174); # u64
852 &data_word(0x9ef14ad2,0xe49b69c1); # u64
853 &data_word(0x384f25e3,0xefbe4786); # u64
854 &data_word(0x8b8cd5b5,0x0fc19dc6); # u64
855 &data_word(0x77ac9c65,0x240ca1cc); # u64
856 &data_word(0x592b0275,0x2de92c6f); # u64
857 &data_word(0x6ea6e483,0x4a7484aa); # u64
858 &data_word(0xbd41fbd4,0x5cb0a9dc); # u64
859 &data_word(0x831153b5,0x76f988da); # u64
860 &data_word(0xee66dfab,0x983e5152); # u64
861 &data_word(0x2db43210,0xa831c66d); # u64
862 &data_word(0x98fb213f,0xb00327c8); # u64
863 &data_word(0xbeef0ee4,0xbf597fc7); # u64
864 &data_word(0x3da88fc2,0xc6e00bf3); # u64
865 &data_word(0x930aa725,0xd5a79147); # u64
866 &data_word(0xe003826f,0x06ca6351); # u64
867 &data_word(0x0a0e6e70,0x14292967); # u64
868 &data_word(0x46d22ffc,0x27b70a85); # u64
869 &data_word(0x5c26c926,0x2e1b2138); # u64
870 &data_word(0x5ac42aed,0x4d2c6dfc); # u64
871 &data_word(0x9d95b3df,0x53380d13); # u64
872 &data_word(0x8baf63de,0x650a7354); # u64
873 &data_word(0x3c77b2a8,0x766a0abb); # u64
874 &data_word(0x47edaee6,0x81c2c92e); # u64
875 &data_word(0x1482353b,0x92722c85); # u64
876 &data_word(0x4cf10364,0xa2bfe8a1); # u64
877 &data_word(0xbc423001,0xa81a664b); # u64
878 &data_word(0xd0f89791,0xc24b8b70); # u64
879 &data_word(0x0654be30,0xc76c51a3); # u64
880 &data_word(0xd6ef5218,0xd192e819); # u64
881 &data_word(0x5565a910,0xd6990624); # u64
882 &data_word(0x5771202a,0xf40e3585); # u64
883 &data_word(0x32bbd1b8,0x106aa070); # u64
884 &data_word(0xb8d2d0c8,0x19a4c116); # u64
885 &data_word(0x5141ab53,0x1e376c08); # u64
886 &data_word(0xdf8eeb99,0x2748774c); # u64
887 &data_word(0xe19b48a8,0x34b0bcb5); # u64
888 &data_word(0xc5c95a63,0x391c0cb3); # u64
889 &data_word(0xe3418acb,0x4ed8aa4a); # u64
890 &data_word(0x7763e373,0x5b9cca4f); # u64
891 &data_word(0xd6b2b8a3,0x682e6ff3); # u64
892 &data_word(0x5defb2fc,0x748f82ee); # u64
893 &data_word(0x43172f60,0x78a5636f); # u64
894 &data_word(0xa1f0ab72,0x84c87814); # u64
895 &data_word(0x1a6439ec,0x8cc70208); # u64
896 &data_word(0x23631e28,0x90befffa); # u64
897 &data_word(0xde82bde9,0xa4506ceb); # u64
898 &data_word(0xb2c67915,0xbef9a3f7); # u64
899 &data_word(0xe372532b,0xc67178f2); # u64
900 &data_word(0xea26619c,0xca273ece); # u64
901 &data_word(0x21c0c207,0xd186b8c7); # u64
902 &data_word(0xcde0eb1e,0xeada7dd6); # u64
903 &data_word(0xee6ed178,0xf57d4f7f); # u64
904 &data_word(0x72176fba,0x06f067aa); # u64
905 &data_word(0xa2c898a6,0x0a637dc5); # u64
906 &data_word(0xbef90dae,0x113f9804); # u64
907 &data_word(0x131c471b,0x1b710b35); # u64
908 &data_word(0x23047d84,0x28db77f5); # u64
909 &data_word(0x40c72493,0x32caab7b); # u64
910 &data_word(0x15c9bebc,0x3c9ebe0a); # u64
911 &data_word(0x9c100d4c,0x431d67c4); # u64
912 &data_word(0xcb3e42b6,0x4cc5d4be); # u64
913 &data_word(0xfc657e2a,0x597f299c); # u64
914 &data_word(0x3ad6faec,0x5fcb6fab); # u64
915 &data_word(0x4a475817,0x6c44198c); # u64
917 &data_word(0x04050607,0x00010203); # byte swap
918 &data_word(0x0c0d0e0f,0x08090a0b); # mask
919 &function_end_B("sha512_block_data_order");
920 &asciz("SHA512 block transform for x86, CRYPTOGAMS by <appro\@openssl.org>");
924 close STDOUT or die "error closing STDOUT";