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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/sha/asm/sha512-586.pl
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}","${dir}../../perlasm");
63 open STDOUT
,">$output";
65 &asm_init
($ARGV[0],$ARGV[$#ARGV] eq "386");
68 for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
70 &external_label
("OPENSSL_ia32cap_P") if ($sse2);
72 $Tlo=&DWP
(0,"esp"); $Thi=&DWP
(4,"esp");
73 $Alo=&DWP
(8,"esp"); $Ahi=&DWP
(8+4,"esp");
74 $Blo=&DWP
(16,"esp"); $Bhi=&DWP
(16+4,"esp");
75 $Clo=&DWP
(24,"esp"); $Chi=&DWP
(24+4,"esp");
76 $Dlo=&DWP
(32,"esp"); $Dhi=&DWP
(32+4,"esp");
77 $Elo=&DWP
(40,"esp"); $Ehi=&DWP
(40+4,"esp");
78 $Flo=&DWP
(48,"esp"); $Fhi=&DWP
(48+4,"esp");
79 $Glo=&DWP
(56,"esp"); $Ghi=&DWP
(56+4,"esp");
80 $Hlo=&DWP
(64,"esp"); $Hhi=&DWP
(64+4,"esp");
85 $Csse2=&QWP
(16,"esp");
86 $Dsse2=&QWP
(24,"esp");
87 $Esse2=&QWP
(32,"esp");
88 $Fsse2=&QWP
(40,"esp");
89 $Gsse2=&QWP
(48,"esp");
90 $Hsse2=&QWP
(56,"esp");
93 $E="mm4"; # F-H are commonly loaded to respectively mm1-mm3 and
94 # mm5-mm7, but it's done on on-demand basis...
95 $BxC="mm2"; # ... except for B^C
100 #&movq ("mm5",$Fsse2); # load f
101 #&movq ("mm6",$Gsse2); # load g
103 &movq
("mm1",$E); # %mm1 is sliding right
104 &pxor
("mm5","mm6"); # f^=g
106 &movq
($Esse2,$E); # modulo-scheduled save e
107 &pand
("mm5",$E); # f&=e
108 &psllq
($E,23); # $E is sliding left
109 &movq
($A,"mm3") if ($phase<2);
110 &movq
(&QWP
(8*9,"esp"),"mm7") # save X[i]
111 &movq
("mm3","mm1"); # %mm3 is T1
113 &pxor
("mm5","mm6"); # Ch(e,f,g)
117 &movq
($Asse2,$A); # modulo-scheduled save a
118 &paddq
("mm7","mm5"); # X[i]+=Ch(e,f,g)
121 &paddq
("mm7",$Hsse2); # X[i]+=h
124 &paddq
("mm7",QWP
(0,$K512)); # X[i]+=K512[i]
125 &pxor
("mm3",$E); # T1=Sigma1_512(e)
127 &movq
($E,$Dsse2); # e = load d, e in next round
128 &paddq
("mm3","mm7"); # T1+=X[i]
129 &movq
("mm5",$A); # %mm5 is sliding right
131 &paddq
($E,"mm3"); # d += T1
132 &movq
("mm6",$A); # %mm6 is sliding left
135 &movq
("mm1",$Bsse2); # load b
141 &pxor
($A,"mm1"); # a^b, b^c in next round
144 &pand
($BxC,$A); # (b^c)&(a^b)
147 &pxor
($BxC,"mm1"); # [h=]Maj(a,b,c)
148 &pxor
("mm6","mm7"); # Sigma0_512(a)
149 &movq
("mm7",&QWP
(8*(9+16-1),"esp")) if ($phase!=0); # pre-fetch
150 &movq
("mm5",$Fsse2) if ($phase==0); # load f
153 &paddq
($BxC,"mm6"); # h+=Sigma0(a)
155 #&paddq ($BxC,"mm3"); # h+=T1
157 ($A,$BxC) = ($BxC,$A); # rotate registers
159 &paddq
("mm3",$BxC); # T1+=Maj(a,b,c)
162 &paddq
("mm3","mm6"); # T1+=Sigma0(a)
163 &movq
("mm6",$Gsse2) if ($phase==0); # load g
164 #&movq ($A,"mm3"); # h=T1
169 #define Sigma1(x) (ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41))
170 # LO lo>>14^hi<<18 ^ lo>>18^hi<<14 ^ hi>>9^lo<<23
171 # HI hi>>14^lo<<18 ^ hi>>18^lo<<14 ^ lo>>9^hi<<23
176 &shr
("ecx",9); # lo>>9
178 &shr
("edx",9); # hi>>9
180 &shl
("esi",14); # lo<<14
182 &shl
("edi",14); # hi<<14
185 &shr
("ecx",14-9); # lo>>14
187 &shr
("edx",14-9); # hi>>14
189 &shl
("esi",18-14); # lo<<18
191 &shl
("edi",18-14); # hi<<18
194 &shr
("ecx",18-14); # lo>>18
196 &shr
("edx",18-14); # hi>>18
198 &shl
("esi",23-18); # lo<<23
200 &shl
("edi",23-18); # hi<<23
202 &xor ("ebx","edi"); # T1 = Sigma1(e)
209 &adc
("ebx",$Hhi); # T1 += h
214 &add
("eax",&DWP
(8*(9+15)+0,"esp"));
215 &adc
("ebx",&DWP
(8*(9+15)+4,"esp")); # T1 += X[0]
217 &xor ("edx","edi"); # Ch(e,f,g) = (f^g)&e)^g
219 &mov
("esi",&DWP
(0,$K512));
220 &mov
("edi",&DWP
(4,$K512)); # K[i]
222 &adc
("ebx","edx"); # T1 += Ch(e,f,g)
226 &adc
("ebx","edi"); # T1 += K[i]
228 &mov
($Thi,"ebx"); # put T1 away
230 &adc
("ebx","edx"); # d += T1
232 #define Sigma0(x) (ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39))
233 # LO lo>>28^hi<<4 ^ hi>>2^lo<<30 ^ hi>>7^lo<<25
234 # HI hi>>28^lo<<4 ^ lo>>2^hi<<30 ^ lo>>7^hi<<25
241 &shr
("ecx",2); # lo>>2
243 &shr
("edx",2); # hi>>2
245 &shl
("esi",4); # lo<<4
247 &shl
("edi",4); # hi<<4
250 &shr
("ecx",7-2); # lo>>7
252 &shr
("edx",7-2); # hi>>7
254 &shl
("esi",25-4); # lo<<25
256 &shl
("edi",25-4); # hi<<25
259 &shr
("ecx",28-7); # lo>>28
261 &shr
("edx",28-7); # hi>>28
263 &shl
("esi",30-25); # lo<<30
265 &shl
("edi",30-25); # hi<<30
267 &xor ("ebx","edi"); # Sigma0(a)
274 &adc
("ebx",$Thi); # T1 = Sigma0(a)+T1
282 &or ("edx","edi"); # Maj(a,b,c) = ((a|b)&c)|(a&b)
285 &adc
("ebx","edx"); # T1 += Maj(a,b,c)
289 &mov
(&LB
("edx"),&BP
(0,$K512)); # pre-fetch LSB of *K
291 &lea
($K512,&DWP
(8,$K512)); # K++
295 &function_begin
("sha512_block_data_order");
296 &mov
("esi",wparam
(0)); # ctx
297 &mov
("edi",wparam
(1)); # inp
298 &mov
("eax",wparam
(2)); # num
299 &mov
("ebx","esp"); # saved sp
301 &call
(&label
("pic_point")); # make it PIC!
302 &set_label
("pic_point");
304 &lea
($K512,&DWP
(&label
("K512")."-".&label
("pic_point"),$K512));
311 &mov
(&DWP
(0,"esp"),"esi"); # ctx
312 &mov
(&DWP
(4,"esp"),"edi"); # inp
313 &mov
(&DWP
(8,"esp"),"eax"); # inp+num*128
314 &mov
(&DWP
(12,"esp"),"ebx"); # saved sp
317 &picmeup
("edx","OPENSSL_ia32cap_P",$K512,&label
("K512"));
318 &mov
("ecx",&DWP
(0,"edx"));
320 &jz
(&label
("loop_x86"));
322 &mov
("edx",&DWP
(4,"edx"));
325 &movq
($A,&QWP
(0,"esi"));
326 &and ("ecx",1<<24); # XMM registers availability
327 &movq
("mm1",&QWP
(8,"esi"));
328 &and ("edx",1<<9); # SSSE3 bit
329 &movq
($BxC,&QWP
(16,"esi"));
331 &movq
("mm3",&QWP
(24,"esi"));
332 &movq
($E,&QWP
(32,"esi"));
333 &movq
("mm5",&QWP
(40,"esi"));
334 &movq
("mm6",&QWP
(48,"esi"));
335 &movq
("mm7",&QWP
(56,"esi"));
336 &cmp ("ecx",1<<24|1<<9);
337 &je
(&label
("SSSE3"));
339 &jmp
(&label
("loop_sse2"));
341 &set_label
("loop_sse2",16);
343 &movq
($Bsse2,"mm1");
345 &movq
($Dsse2,"mm3");
347 &movq
($Fsse2,"mm5");
348 &movq
($Gsse2,"mm6");
349 &pxor
($BxC,"mm1"); # magic
350 &movq
($Hsse2,"mm7");
351 &movq
("mm3",$A); # magic
353 &mov
("eax",&DWP
(0,"edi"));
354 &mov
("ebx",&DWP
(4,"edi"));
356 &mov
("edx",15); # counter
359 &jmp
(&label
("00_14_sse2"));
361 &set_label
("00_14_sse2",16);
363 &mov
("eax",&DWP
(0,"edi"));
365 &mov
("ebx",&DWP
(4,"edi"));
369 &punpckldq
("mm7","mm1");
374 &jnz
(&label
("00_14_sse2"));
378 &punpckldq
("mm7","mm1");
382 &pxor
($A,$A); # A is in %mm3
383 &mov
("edx",32); # counter
384 &jmp
(&label
("16_79_sse2"));
386 &set_label
("16_79_sse2",16);
387 for ($j=0;$j<2;$j++) { # 2x unroll
388 #&movq ("mm7",&QWP(8*(9+16-1),"esp")); # prefetched in BODY_00_15
389 &movq
("mm5",&QWP
(8*(9+16-14),"esp"));
395 &paddq
($A,"mm3"); # from BODY_00_15
399 &psllq
("mm1",63-56);
405 &pxor
("mm7","mm3"); # sigma0
409 &paddq
("mm7",&QWP
(8*(9+16),"esp"));
411 &psrlq
("mm5",61-19);
412 &paddq
("mm7",&QWP
(8*(9+16-9),"esp"));
415 &movq
("mm5",$Fsse2); # load f
416 &pxor
("mm1","mm6"); # sigma1
417 &movq
("mm6",$Gsse2); # load g
419 &paddq
("mm7","mm1"); # X[i]
420 #&movq (&QWP(8*9,"esp"),"mm7"); # moved to BODY_00_15
425 &jnz
(&label
("16_79_sse2"));
428 &paddq
($A,"mm3"); # from BODY_00_15
429 &movq
("mm1",$Bsse2);
430 #&movq ($BxC,$Csse2);
431 &movq
("mm3",$Dsse2);
433 &movq
("mm5",$Fsse2);
434 &movq
("mm6",$Gsse2);
435 &movq
("mm7",$Hsse2);
437 &pxor
($BxC,"mm1"); # de-magic
438 &paddq
($A,&QWP
(0,"esi"));
439 &paddq
("mm1",&QWP
(8,"esi"));
440 &paddq
($BxC,&QWP
(16,"esi"));
441 &paddq
("mm3",&QWP
(24,"esi"));
442 &paddq
($E,&QWP
(32,"esi"));
443 &paddq
("mm5",&QWP
(40,"esi"));
444 &paddq
("mm6",&QWP
(48,"esi"));
445 &paddq
("mm7",&QWP
(56,"esi"));
448 &movq
(&QWP
(0,"esi"),$A);
449 &movq
(&QWP
(8,"esi"),"mm1");
450 &movq
(&QWP
(16,"esi"),$BxC);
451 &movq
(&QWP
(24,"esi"),"mm3");
452 &movq
(&QWP
(32,"esi"),$E);
453 &movq
(&QWP
(40,"esi"),"mm5");
454 &movq
(&QWP
(48,"esi"),"mm6");
455 &movq
(&QWP
(56,"esi"),"mm7");
457 &lea
("esp",&DWP
(0,"esp","eax")); # destroy frame
458 &sub ($K512,"eax"); # rewind K
460 &cmp ("edi",&DWP
(8*10+8,"esp")); # are we done yet?
461 &jb
(&label
("loop_sse2"));
463 &mov
("esp",&DWP
(8*10+12,"esp")); # restore sp
467 &set_label
("SSSE3",32);
468 { my ($cnt,$frame)=("ecx","edx");
469 my @X=map("xmm$_",(0..7));
473 &lea
($frame,&DWP
(-64,"esp"));
476 # fixed stack frame layout
478 # +0 A B C D E F G H # backing store
479 # +64 X[0]+K[i] .. X[15]+K[i] # XMM->MM xfer area
480 # +192 # XMM off-load ring buffer
481 # +256 # saved parameters
483 &movdqa
(@X[1],&QWP
(80*8,$K512)); # byte swap mask
484 &movdqu
(@X[0],&QWP
(0,"edi"));
485 &pshufb
(@X[0],@X[1]);
486 for ($j=0;$j<8;$j++) {
487 &movdqa
(&QWP
(16*(($j-1)%4),$frame),@X[3]) if ($j>4); # off-load
488 &movdqa
(@X[3],&QWP
(16*($j%8),$K512));
489 &movdqa
(@X[2],@X[1]) if ($j<7); # perpetuate byte swap mask
490 &movdqu
(@X[1],&QWP
(16*($j+1),"edi")) if ($j<7); # next input
491 &movdqa
(@X[1],&QWP
(16*(($j+1)%4),$frame)) if ($j==7);# restore @X[0]
492 &paddq
(@X[3],@X[0]);
493 &pshufb
(@X[1],@X[2]) if ($j<7);
494 &movdqa
(&QWP
(16*($j%8)-128,$frame),@X[3]); # xfer X[i]+K[i]
496 push(@X,shift(@X)); # rotate(@X)
498 #&jmp (&label("loop_ssse3"));
501 &set_label
("loop_ssse3",32);
502 &movdqa
(@X[2],&QWP
(16*(($j+1)%4),$frame)); # pre-restore @X[1]
503 &movdqa
(&QWP
(16*(($j-1)%4),$frame),@X[3]); # off-load @X[3]
504 &lea
($K512,&DWP
(16*8,$K512));
506 #&movq ($Asse2,$A); # off-load A-H
507 &movq
($Bsse2,"mm1");
510 &lea
("edi",&DWP
(128,"edi")); # advance input
511 &movq
($Dsse2,"mm3");
514 &movq
($Fsse2,"mm5");
515 &cmovb
("ebx","edi");
516 &movq
($Gsse2,"mm6");
517 &mov
("ecx",4); # loop counter
518 &pxor
($BxC,"mm1"); # magic
519 &movq
($Hsse2,"mm7");
520 &pxor
("mm3","mm3"); # magic
522 &jmp
(&label
("00_47_ssse3"));
524 sub BODY_00_15_ssse3
{ # "phase-less" copy of BODY_00_15_sse2
526 '&movq ("mm1",$E)', # %mm1 is sliding right
527 '&movq ("mm7",&QWP(((-8*$i)%128)-128,$frame))',# X[i]+K[i]
528 '&pxor ("mm5","mm6")', # f^=g
530 '&movq (&QWP(8*($i+4)%64,"esp"),$E)', # modulo-scheduled save e
531 '&pand ("mm5",$E)', # f&=e
532 '&psllq ($E,23)', # $E is sliding left
533 '&paddq ($A,"mm3")', # [h+=Maj(a,b,c)]
534 '&movq ("mm3","mm1")', # %mm3 is T1
536 '&pxor ("mm5","mm6")', # Ch(e,f,g)
539 '&pxor ("mm3","mm1")',
540 '&movq (&QWP(8*$i%64,"esp"),$A)', # modulo-scheduled save a
541 '&paddq("mm7","mm5")', # X[i]+=Ch(e,f,g)
544 '&paddq("mm7",&QWP(8*($i+7)%64,"esp"))', # X[i]+=h
545 '&pxor ("mm3","mm1")',
547 '&pxor ("mm3",$E)', # T1=Sigma1_512(e)
549 '&movq ($E,&QWP(8*($i+3)%64,"esp"))', # e = load d, e in next round
550 '&paddq ("mm3","mm7")', # T1+=X[i]
551 '&movq ("mm5",$A)', # %mm5 is sliding right
553 '&paddq ($E,"mm3")', # d += T1
554 '&movq ("mm6",$A)', # %mm6 is sliding left
555 '&movq ("mm7","mm5")',
557 '&movq ("mm1",&QWP(8*($i+1)%64,"esp"))', # load b
559 '&pxor ("mm7","mm6")',
561 '&pxor ("mm7","mm5")',
562 '&pxor ($A,"mm1")', # a^b, b^c in next round
564 '&pxor ("mm7","mm6")',
565 '&pand ($BxC,$A)', # (b^c)&(a^b)
567 '&pxor ("mm7","mm5")',
568 '&pxor ($BxC,"mm1")', # [h=]Maj(a,b,c)
569 '&pxor ("mm6","mm7")', # Sigma0_512(a)
570 '&movq ("mm5",&QWP(8*($i+5-1)%64,"esp"))', # pre-load f
571 '&paddq ($BxC,"mm6")', # h+=Sigma0(a)
572 '&movq ("mm6",&QWP(8*($i+6-1)%64,"esp"))', # pre-load g
574 '($A,$BxC) = ($BxC,$A); $i--;'
578 &set_label
("00_47_ssse3",32);
581 my ($t0,$t2,$t1)=@X[2..4];
582 my @insns = (&BODY_00_15_ssse3
(),&BODY_00_15_ssse3
());
585 &movdqa
(@X[1],$t0); # restore @X[1]
586 &palignr
($t0,@X[0],8); # X[1..2]
587 &movdqa
(&QWP
(16*($j%4),$frame),@X[4]); # off-load @X[4]
588 &palignr
($t2,@X[4],8); # X[9..10]
592 &paddq
(@X[0],$t2); # X[0..1] += X[9..10]
602 &pxor
($t0,$t2); # sigma0(X[1..2])
605 &paddq
(@X[0],$t0); # X[0..1] += sigma0(X[1..2])
615 &movdqa
($t2,&QWP
(16*(($j+2)%4),$frame));# pre-restore @X[1]
616 &pxor
($t1,$t0); # sigma0(X[1..2])
617 &movdqa
($t0,&QWP
(16*($j%8),$K512));
619 &paddq
(@X[0],$t1); # X[0..1] += sigma0(X[14..15])
625 foreach(@insns) { eval; }
626 &movdqa
(&QWP
(16*($j%8)-128,$frame),$t0);# xfer X[i]+K[i]
628 push(@X,shift(@X)); # rotate(@X)
630 &lea
($K512,&DWP
(16*8,$K512));
632 &jnz
(&label
("00_47_ssse3"));
634 &movdqa
(@X[1],&QWP
(0,$K512)); # byte swap mask
635 &lea
($K512,&DWP
(-80*8,$K512)); # rewind
636 &movdqu
(@X[0],&QWP
(0,"ebx"));
637 &pshufb
(@X[0],@X[1]);
639 for ($j=0;$j<8;$j++) { # load next or same block
640 my @insns = (&BODY_00_15_ssse3
(),&BODY_00_15_ssse3
());
642 &movdqa
(&QWP
(16*(($j-1)%4),$frame),@X[3]) if ($j>4); # off-load
643 &movdqa
(@X[3],&QWP
(16*($j%8),$K512));
644 &movdqa
(@X[2],@X[1]) if ($j<7); # perpetuate byte swap mask
645 &movdqu
(@X[1],&QWP
(16*($j+1),"ebx")) if ($j<7); # next input
646 &movdqa
(@X[1],&QWP
(16*(($j+1)%4),$frame)) if ($j==7);# restore @X[0]
647 &paddq
(@X[3],@X[0]);
648 &pshufb
(@X[1],@X[2]) if ($j<7);
649 foreach(@insns) { eval; }
650 &movdqa
(&QWP
(16*($j%8)-128,$frame),@X[3]);# xfer X[i]+K[i]
652 push(@X,shift(@X)); # rotate(@X)
655 #&movq ($A,$Asse2); # load A-H
656 &movq
("mm1",$Bsse2);
657 &paddq
($A,"mm3"); # from BODY_00_15
658 #&movq ($BxC,$Csse2);
659 &movq
("mm3",$Dsse2);
661 #&movq ("mm5",$Fsse2);
662 #&movq ("mm6",$Gsse2);
663 &movq
("mm7",$Hsse2);
665 &pxor
($BxC,"mm1"); # de-magic
666 &paddq
($A,&QWP
(0,"esi"));
667 &paddq
("mm1",&QWP
(8,"esi"));
668 &paddq
($BxC,&QWP
(16,"esi"));
669 &paddq
("mm3",&QWP
(24,"esi"));
670 &paddq
($E,&QWP
(32,"esi"));
671 &paddq
("mm5",&QWP
(40,"esi"));
672 &paddq
("mm6",&QWP
(48,"esi"));
673 &paddq
("mm7",&QWP
(56,"esi"));
675 &movq
(&QWP
(0,"esi"),$A);
676 &movq
(&QWP
(8,"esi"),"mm1");
677 &movq
(&QWP
(16,"esi"),$BxC);
678 &movq
(&QWP
(24,"esi"),"mm3");
679 &movq
(&QWP
(32,"esi"),$E);
680 &movq
(&QWP
(40,"esi"),"mm5");
681 &movq
(&QWP
(48,"esi"),"mm6");
682 &movq
(&QWP
(56,"esi"),"mm7");
684 &cmp ("edi","eax") # are we done yet?
685 &jb
(&label
("loop_ssse3"));
687 &mov
("esp",&DWP
(64+12,$frame)); # restore sp
692 &set_label
("loop_x86",16);
693 # copy input block to stack reversing byte and qword order
694 for ($i=0;$i<8;$i++) {
695 &mov
("eax",&DWP
($i*16+0,"edi"));
696 &mov
("ebx",&DWP
($i*16+4,"edi"));
697 &mov
("ecx",&DWP
($i*16+8,"edi"));
698 &mov
("edx",&DWP
($i*16+12,"edi"));
709 &sub ("esp",9*8); # place for T,A,B,C,D,E,F,G,H
710 &mov
(&DWP
(8*(9+16)+4,"esp"),"edi");
712 # copy ctx->h[0-7] to A,B,C,D,E,F,G,H on stack
713 &lea
("edi",&DWP
(8,"esp"));
715 &data_word
(0xA5F3F689); # rep movsd
717 &set_label
("00_15_x86",16);
720 &cmp (&LB
("edx"),0x94);
721 &jne
(&label
("00_15_x86"));
723 &set_label
("16_79_x86",16);
724 #define sigma0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7))
725 # LO lo>>1^hi<<31 ^ lo>>8^hi<<24 ^ lo>>7^hi<<25
726 # HI hi>>1^lo<<31 ^ hi>>8^lo<<24 ^ hi>>7
727 &mov
("ecx",&DWP
(8*(9+15+16-1)+0,"esp"));
728 &mov
("edx",&DWP
(8*(9+15+16-1)+4,"esp"));
731 &shr
("ecx",1); # lo>>1
733 &shr
("edx",1); # hi>>1
735 &shl
("esi",24); # lo<<24
737 &shl
("edi",24); # hi<<24
740 &shr
("ecx",7-1); # lo>>7
742 &shr
("edx",7-1); # hi>>7
744 &shl
("esi",31-24); # lo<<31
746 &shl
("edi",25-24); # hi<<25
749 &shr
("ecx",8-7); # lo>>8
751 &shr
("edx",8-7); # hi>>8
753 &shl
("edi",31-25); # hi<<31
755 &xor ("eax","edi"); # T1 = sigma0(X[-15])
757 &mov
(&DWP
(0,"esp"),"eax");
758 &mov
(&DWP
(4,"esp"),"ebx"); # put T1 away
760 #define sigma1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6))
761 # LO lo>>19^hi<<13 ^ hi>>29^lo<<3 ^ lo>>6^hi<<26
762 # HI hi>>19^lo<<13 ^ lo>>29^hi<<3 ^ hi>>6
763 &mov
("ecx",&DWP
(8*(9+15+16-14)+0,"esp"));
764 &mov
("edx",&DWP
(8*(9+15+16-14)+4,"esp"));
767 &shr
("ecx",6); # lo>>6
769 &shr
("edx",6); # hi>>6
771 &shl
("esi",3); # lo<<3
773 &shl
("edi",3); # hi<<3
776 &shr
("ecx",19-6); # lo>>19
778 &shr
("edx",19-6); # hi>>19
780 &shl
("esi",13-3); # lo<<13
782 &shl
("edi",13-3); # hi<<13
785 &shr
("ecx",29-19); # lo>>29
787 &shr
("edx",29-19); # hi>>29
789 &shl
("edi",26-13); # hi<<26
791 &xor ("eax","edi"); # sigma1(X[-2])
793 &mov
("ecx",&DWP
(8*(9+15+16)+0,"esp"));
794 &mov
("edx",&DWP
(8*(9+15+16)+4,"esp"));
795 &add
("eax",&DWP
(0,"esp"));
796 &adc
("ebx",&DWP
(4,"esp")); # T1 = sigma1(X[-2])+T1
797 &mov
("esi",&DWP
(8*(9+15+16-9)+0,"esp"));
798 &mov
("edi",&DWP
(8*(9+15+16-9)+4,"esp"));
800 &adc
("ebx","edx"); # T1 += X[-16]
802 &adc
("ebx","edi"); # T1 += X[-7]
803 &mov
(&DWP
(8*(9+15)+0,"esp"),"eax");
804 &mov
(&DWP
(8*(9+15)+4,"esp"),"ebx"); # save X[0]
808 &cmp (&LB
("edx"),0x17);
809 &jne
(&label
("16_79_x86"));
811 &mov
("esi",&DWP
(8*(9+16+80)+0,"esp"));# ctx
812 &mov
("edi",&DWP
(8*(9+16+80)+4,"esp"));# inp
813 for($i=0;$i<4;$i++) {
814 &mov
("eax",&DWP
($i*16+0,"esi"));
815 &mov
("ebx",&DWP
($i*16+4,"esi"));
816 &mov
("ecx",&DWP
($i*16+8,"esi"));
817 &mov
("edx",&DWP
($i*16+12,"esi"));
818 &add
("eax",&DWP
(8+($i*16)+0,"esp"));
819 &adc
("ebx",&DWP
(8+($i*16)+4,"esp"));
820 &mov
(&DWP
($i*16+0,"esi"),"eax");
821 &mov
(&DWP
($i*16+4,"esi"),"ebx");
822 &add
("ecx",&DWP
(8+($i*16)+8,"esp"));
823 &adc
("edx",&DWP
(8+($i*16)+12,"esp"));
824 &mov
(&DWP
($i*16+8,"esi"),"ecx");
825 &mov
(&DWP
($i*16+12,"esi"),"edx");
827 &add
("esp",8*(9+16+80)); # destroy frame
828 &sub ($K512,8*80); # rewind K
830 &cmp ("edi",&DWP
(8,"esp")); # are we done yet?
831 &jb
(&label
("loop_x86"));
833 &mov
("esp",&DWP
(12,"esp")); # restore sp
836 &set_label
("K512",64); # Yes! I keep it in the code segment!
837 &data_word
(0xd728ae22,0x428a2f98); # u64
838 &data_word
(0x23ef65cd,0x71374491); # u64
839 &data_word
(0xec4d3b2f,0xb5c0fbcf); # u64
840 &data_word
(0x8189dbbc,0xe9b5dba5); # u64
841 &data_word
(0xf348b538,0x3956c25b); # u64
842 &data_word
(0xb605d019,0x59f111f1); # u64
843 &data_word
(0xaf194f9b,0x923f82a4); # u64
844 &data_word
(0xda6d8118,0xab1c5ed5); # u64
845 &data_word
(0xa3030242,0xd807aa98); # u64
846 &data_word
(0x45706fbe,0x12835b01); # u64
847 &data_word
(0x4ee4b28c,0x243185be); # u64
848 &data_word
(0xd5ffb4e2,0x550c7dc3); # u64
849 &data_word
(0xf27b896f,0x72be5d74); # u64
850 &data_word
(0x3b1696b1,0x80deb1fe); # u64
851 &data_word
(0x25c71235,0x9bdc06a7); # u64
852 &data_word
(0xcf692694,0xc19bf174); # u64
853 &data_word
(0x9ef14ad2,0xe49b69c1); # u64
854 &data_word
(0x384f25e3,0xefbe4786); # u64
855 &data_word
(0x8b8cd5b5,0x0fc19dc6); # u64
856 &data_word
(0x77ac9c65,0x240ca1cc); # u64
857 &data_word
(0x592b0275,0x2de92c6f); # u64
858 &data_word
(0x6ea6e483,0x4a7484aa); # u64
859 &data_word
(0xbd41fbd4,0x5cb0a9dc); # u64
860 &data_word
(0x831153b5,0x76f988da); # u64
861 &data_word
(0xee66dfab,0x983e5152); # u64
862 &data_word
(0x2db43210,0xa831c66d); # u64
863 &data_word
(0x98fb213f,0xb00327c8); # u64
864 &data_word
(0xbeef0ee4,0xbf597fc7); # u64
865 &data_word
(0x3da88fc2,0xc6e00bf3); # u64
866 &data_word
(0x930aa725,0xd5a79147); # u64
867 &data_word
(0xe003826f,0x06ca6351); # u64
868 &data_word
(0x0a0e6e70,0x14292967); # u64
869 &data_word
(0x46d22ffc,0x27b70a85); # u64
870 &data_word
(0x5c26c926,0x2e1b2138); # u64
871 &data_word
(0x5ac42aed,0x4d2c6dfc); # u64
872 &data_word
(0x9d95b3df,0x53380d13); # u64
873 &data_word
(0x8baf63de,0x650a7354); # u64
874 &data_word
(0x3c77b2a8,0x766a0abb); # u64
875 &data_word
(0x47edaee6,0x81c2c92e); # u64
876 &data_word
(0x1482353b,0x92722c85); # u64
877 &data_word
(0x4cf10364,0xa2bfe8a1); # u64
878 &data_word
(0xbc423001,0xa81a664b); # u64
879 &data_word
(0xd0f89791,0xc24b8b70); # u64
880 &data_word
(0x0654be30,0xc76c51a3); # u64
881 &data_word
(0xd6ef5218,0xd192e819); # u64
882 &data_word
(0x5565a910,0xd6990624); # u64
883 &data_word
(0x5771202a,0xf40e3585); # u64
884 &data_word
(0x32bbd1b8,0x106aa070); # u64
885 &data_word
(0xb8d2d0c8,0x19a4c116); # u64
886 &data_word
(0x5141ab53,0x1e376c08); # u64
887 &data_word
(0xdf8eeb99,0x2748774c); # u64
888 &data_word
(0xe19b48a8,0x34b0bcb5); # u64
889 &data_word
(0xc5c95a63,0x391c0cb3); # u64
890 &data_word
(0xe3418acb,0x4ed8aa4a); # u64
891 &data_word
(0x7763e373,0x5b9cca4f); # u64
892 &data_word
(0xd6b2b8a3,0x682e6ff3); # u64
893 &data_word
(0x5defb2fc,0x748f82ee); # u64
894 &data_word
(0x43172f60,0x78a5636f); # u64
895 &data_word
(0xa1f0ab72,0x84c87814); # u64
896 &data_word
(0x1a6439ec,0x8cc70208); # u64
897 &data_word
(0x23631e28,0x90befffa); # u64
898 &data_word
(0xde82bde9,0xa4506ceb); # u64
899 &data_word
(0xb2c67915,0xbef9a3f7); # u64
900 &data_word
(0xe372532b,0xc67178f2); # u64
901 &data_word
(0xea26619c,0xca273ece); # u64
902 &data_word
(0x21c0c207,0xd186b8c7); # u64
903 &data_word
(0xcde0eb1e,0xeada7dd6); # u64
904 &data_word
(0xee6ed178,0xf57d4f7f); # u64
905 &data_word
(0x72176fba,0x06f067aa); # u64
906 &data_word
(0xa2c898a6,0x0a637dc5); # u64
907 &data_word
(0xbef90dae,0x113f9804); # u64
908 &data_word
(0x131c471b,0x1b710b35); # u64
909 &data_word
(0x23047d84,0x28db77f5); # u64
910 &data_word
(0x40c72493,0x32caab7b); # u64
911 &data_word
(0x15c9bebc,0x3c9ebe0a); # u64
912 &data_word
(0x9c100d4c,0x431d67c4); # u64
913 &data_word
(0xcb3e42b6,0x4cc5d4be); # u64
914 &data_word
(0xfc657e2a,0x597f299c); # u64
915 &data_word
(0x3ad6faec,0x5fcb6fab); # u64
916 &data_word
(0x4a475817,0x6c44198c); # u64
918 &data_word
(0x04050607,0x00010203); # byte swap
919 &data_word
(0x0c0d0e0f,0x08090a0b); # mask
920 &function_end_B
("sha512_block_data_order");
921 &asciz
("SHA512 block transform for x86, CRYPTOGAMS by <appro\@openssl.org>");