/
sha1-mb-x86_64.pl
1628 lines (1469 loc) · 38.1 KB
/
sha1-mb-x86_64.pl
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#! /usr/bin/env perl
# Copyright 2013-2016 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
# ====================================================================
# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
# project. The module is, however, dual licensed under OpenSSL and
# CRYPTOGAMS licenses depending on where you obtain it. For further
# details see http://www.openssl.org/~appro/cryptogams/.
# ====================================================================
# Multi-buffer SHA1 procedure processes n buffers in parallel by
# placing buffer data to designated lane of SIMD register. n is
# naturally limited to 4 on pre-AVX2 processors and to 8 on
# AVX2-capable processors such as Haswell.
#
# this +aesni(i) sha1 aesni-sha1 gain(iv)
# -------------------------------------------------------------------
# Westmere(ii) 10.7/n +1.28=3.96(n=4) 5.30 6.66 +68%
# Atom(ii) 18.1/n +3.93=8.46(n=4) 9.37 12.8 +51%
# Sandy Bridge (8.16 +5.15=13.3)/n 4.99 5.98 +80%
# Ivy Bridge (8.08 +5.14=13.2)/n 4.60 5.54 +68%
# Haswell(iii) (8.96 +5.00=14.0)/n 3.57 4.55 +160%
# Skylake (8.70 +5.00=13.7)/n 3.64 4.20 +145%
# Bulldozer (9.76 +5.76=15.5)/n 5.95 6.37 +64%
#
# (i) multi-block CBC encrypt with 128-bit key;
# (ii) (HASH+AES)/n does not apply to Westmere for n>3 and Atom,
# because of lower AES-NI instruction throughput;
# (iii) "this" is for n=8, when we gather twice as much data, result
# for n=4 is 8.00+4.44=12.4;
# (iv) presented improvement coefficients are asymptotic limits and
# in real-life application are somewhat lower, e.g. for 2KB
# fragments they range from 30% to 100% (on Haswell);
$flavour = shift;
$output = shift;
if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
die "can't locate x86_64-xlate.pl";
$avx=0;
if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1`
=~ /GNU assembler version ([2-9]\.[0-9]+)/) {
$avx = ($1>=2.19) + ($1>=2.22);
}
if (!$avx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM} =~ /nasm/) &&
`nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/) {
$avx = ($1>=2.09) + ($1>=2.10);
}
if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) &&
`ml64 2>&1` =~ /Version ([0-9]+)\./) {
$avx = ($1>=10) + ($1>=11);
}
if (!$avx && `$ENV{CC} -v 2>&1` =~ /((?:^clang|LLVM) version|.*based on LLVM) ([3-9]\.[0-9]+)/) {
$avx = ($2>=3.0) + ($2>3.0);
}
open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\"";
*STDOUT=*OUT;
# void sha1_multi_block (
# struct { unsigned int A[8];
# unsigned int B[8];
# unsigned int C[8];
# unsigned int D[8];
# unsigned int E[8]; } *ctx,
# struct { void *ptr; int blocks; } inp[8],
# int num); /* 1 or 2 */
#
$ctx="%rdi"; # 1st arg
$inp="%rsi"; # 2nd arg
$num="%edx";
@ptr=map("%r$_",(8..11));
$Tbl="%rbp";
@V=($A,$B,$C,$D,$E)=map("%xmm$_",(0..4));
($t0,$t1,$t2,$t3,$tx)=map("%xmm$_",(5..9));
@Xi=map("%xmm$_",(10..14));
$K="%xmm15";
if (1) {
# Atom-specific optimization aiming to eliminate pshufb with high
# registers [and thus get rid of 48 cycles accumulated penalty]
@Xi=map("%xmm$_",(0..4));
($tx,$t0,$t1,$t2,$t3)=map("%xmm$_",(5..9));
@V=($A,$B,$C,$D,$E)=map("%xmm$_",(10..14));
}
$REG_SZ=16;
sub Xi_off {
my $off = shift;
$off %= 16; $off *= $REG_SZ;
$off<256 ? "$off-128(%rax)" : "$off-256-128(%rbx)";
}
sub BODY_00_19 {
my ($i,$a,$b,$c,$d,$e)=@_;
my $j=$i+1;
my $k=$i+2;
# Loads are performed 2+3/4 iterations in advance. 3/4 means that out
# of 4 words you would expect to be loaded per given iteration one is
# spilled to next iteration. In other words indices in four input
# streams are distributed as following:
#
# $i==0: 0,0,0,0,1,1,1,1,2,2,2,
# $i==1: 2,3,3,3,
# $i==2: 3,4,4,4,
# ...
# $i==13: 14,15,15,15,
# $i==14: 15
#
# Then at $i==15 Xupdate is applied one iteration in advance...
$code.=<<___ if ($i==0);
movd (@ptr[0]),@Xi[0]
lea `16*4`(@ptr[0]),@ptr[0]
movd (@ptr[1]),@Xi[2] # borrow @Xi[2]
lea `16*4`(@ptr[1]),@ptr[1]
movd (@ptr[2]),@Xi[3] # borrow @Xi[3]
lea `16*4`(@ptr[2]),@ptr[2]
movd (@ptr[3]),@Xi[4] # borrow @Xi[4]
lea `16*4`(@ptr[3]),@ptr[3]
punpckldq @Xi[3],@Xi[0]
movd `4*$j-16*4`(@ptr[0]),@Xi[1]
punpckldq @Xi[4],@Xi[2]
movd `4*$j-16*4`(@ptr[1]),$t3
punpckldq @Xi[2],@Xi[0]
movd `4*$j-16*4`(@ptr[2]),$t2
pshufb $tx,@Xi[0]
___
$code.=<<___ if ($i<14); # just load input
movd `4*$j-16*4`(@ptr[3]),$t1
punpckldq $t2,@Xi[1]
movdqa $a,$t2
paddd $K,$e # e+=K_00_19
punpckldq $t1,$t3
movdqa $b,$t1
movdqa $b,$t0
pslld \$5,$t2
pandn $d,$t1
pand $c,$t0
punpckldq $t3,@Xi[1]
movdqa $a,$t3
movdqa @Xi[0],`&Xi_off($i)`
paddd @Xi[0],$e # e+=X[i]
movd `4*$k-16*4`(@ptr[0]),@Xi[2]
psrld \$27,$t3
pxor $t1,$t0 # Ch(b,c,d)
movdqa $b,$t1
por $t3,$t2 # rol(a,5)
movd `4*$k-16*4`(@ptr[1]),$t3
pslld \$30,$t1
paddd $t0,$e # e+=Ch(b,c,d)
psrld \$2,$b
paddd $t2,$e # e+=rol(a,5)
pshufb $tx,@Xi[1]
movd `4*$k-16*4`(@ptr[2]),$t2
por $t1,$b # b=rol(b,30)
___
$code.=<<___ if ($i==14); # just load input
movd `4*$j-16*4`(@ptr[3]),$t1
punpckldq $t2,@Xi[1]
movdqa $a,$t2
paddd $K,$e # e+=K_00_19
punpckldq $t1,$t3
movdqa $b,$t1
movdqa $b,$t0
pslld \$5,$t2
prefetcht0 63(@ptr[0])
pandn $d,$t1
pand $c,$t0
punpckldq $t3,@Xi[1]
movdqa $a,$t3
movdqa @Xi[0],`&Xi_off($i)`
paddd @Xi[0],$e # e+=X[i]
psrld \$27,$t3
pxor $t1,$t0 # Ch(b,c,d)
movdqa $b,$t1
prefetcht0 63(@ptr[1])
por $t3,$t2 # rol(a,5)
pslld \$30,$t1
paddd $t0,$e # e+=Ch(b,c,d)
prefetcht0 63(@ptr[2])
psrld \$2,$b
paddd $t2,$e # e+=rol(a,5)
pshufb $tx,@Xi[1]
prefetcht0 63(@ptr[3])
por $t1,$b # b=rol(b,30)
___
$code.=<<___ if ($i>=13 && $i<15);
movdqa `&Xi_off($j+2)`,@Xi[3] # preload "X[2]"
___
$code.=<<___ if ($i>=15); # apply Xupdate
pxor @Xi[-2],@Xi[1] # "X[13]"
movdqa `&Xi_off($j+2)`,@Xi[3] # "X[2]"
movdqa $a,$t2
pxor `&Xi_off($j+8)`,@Xi[1]
paddd $K,$e # e+=K_00_19
movdqa $b,$t1
pslld \$5,$t2
pxor @Xi[3],@Xi[1]
movdqa $b,$t0
pandn $d,$t1
movdqa @Xi[1],$tx
pand $c,$t0
movdqa $a,$t3
psrld \$31,$tx
paddd @Xi[1],@Xi[1]
movdqa @Xi[0],`&Xi_off($i)`
paddd @Xi[0],$e # e+=X[i]
psrld \$27,$t3
pxor $t1,$t0 # Ch(b,c,d)
movdqa $b,$t1
por $t3,$t2 # rol(a,5)
pslld \$30,$t1
paddd $t0,$e # e+=Ch(b,c,d)
psrld \$2,$b
paddd $t2,$e # e+=rol(a,5)
por $tx,@Xi[1] # rol \$1,@Xi[1]
por $t1,$b # b=rol(b,30)
___
push(@Xi,shift(@Xi));
}
sub BODY_20_39 {
my ($i,$a,$b,$c,$d,$e)=@_;
my $j=$i+1;
$code.=<<___ if ($i<79);
pxor @Xi[-2],@Xi[1] # "X[13]"
movdqa `&Xi_off($j+2)`,@Xi[3] # "X[2]"
movdqa $a,$t2
movdqa $d,$t0
pxor `&Xi_off($j+8)`,@Xi[1]
paddd $K,$e # e+=K_20_39
pslld \$5,$t2
pxor $b,$t0
movdqa $a,$t3
___
$code.=<<___ if ($i<72);
movdqa @Xi[0],`&Xi_off($i)`
___
$code.=<<___ if ($i<79);
paddd @Xi[0],$e # e+=X[i]
pxor @Xi[3],@Xi[1]
psrld \$27,$t3
pxor $c,$t0 # Parity(b,c,d)
movdqa $b,$t1
pslld \$30,$t1
movdqa @Xi[1],$tx
por $t3,$t2 # rol(a,5)
psrld \$31,$tx
paddd $t0,$e # e+=Parity(b,c,d)
paddd @Xi[1],@Xi[1]
psrld \$2,$b
paddd $t2,$e # e+=rol(a,5)
por $tx,@Xi[1] # rol(@Xi[1],1)
por $t1,$b # b=rol(b,30)
___
$code.=<<___ if ($i==79);
movdqa $a,$t2
paddd $K,$e # e+=K_20_39
movdqa $d,$t0
pslld \$5,$t2
pxor $b,$t0
movdqa $a,$t3
paddd @Xi[0],$e # e+=X[i]
psrld \$27,$t3
movdqa $b,$t1
pxor $c,$t0 # Parity(b,c,d)
pslld \$30,$t1
por $t3,$t2 # rol(a,5)
paddd $t0,$e # e+=Parity(b,c,d)
psrld \$2,$b
paddd $t2,$e # e+=rol(a,5)
por $t1,$b # b=rol(b,30)
___
push(@Xi,shift(@Xi));
}
sub BODY_40_59 {
my ($i,$a,$b,$c,$d,$e)=@_;
my $j=$i+1;
$code.=<<___;
pxor @Xi[-2],@Xi[1] # "X[13]"
movdqa `&Xi_off($j+2)`,@Xi[3] # "X[2]"
movdqa $a,$t2
movdqa $d,$t1
pxor `&Xi_off($j+8)`,@Xi[1]
pxor @Xi[3],@Xi[1]
paddd $K,$e # e+=K_40_59
pslld \$5,$t2
movdqa $a,$t3
pand $c,$t1
movdqa $d,$t0
movdqa @Xi[1],$tx
psrld \$27,$t3
paddd $t1,$e
pxor $c,$t0
movdqa @Xi[0],`&Xi_off($i)`
paddd @Xi[0],$e # e+=X[i]
por $t3,$t2 # rol(a,5)
psrld \$31,$tx
pand $b,$t0
movdqa $b,$t1
pslld \$30,$t1
paddd @Xi[1],@Xi[1]
paddd $t0,$e # e+=Maj(b,d,c)
psrld \$2,$b
paddd $t2,$e # e+=rol(a,5)
por $tx,@Xi[1] # rol(@X[1],1)
por $t1,$b # b=rol(b,30)
___
push(@Xi,shift(@Xi));
}
$code.=<<___;
.text
.extern OPENSSL_ia32cap_P
.globl sha1_multi_block
.type sha1_multi_block,\@function,3
.align 32
sha1_multi_block:
.cfi_startproc
mov OPENSSL_ia32cap_P+4(%rip),%rcx
bt \$61,%rcx # check SHA bit
jc _shaext_shortcut
___
$code.=<<___ if ($avx);
test \$`1<<28`,%ecx
jnz _avx_shortcut
___
$code.=<<___;
mov %rsp,%rax
.cfi_def_cfa_register %rax
push %rbx
.cfi_push %rbx
push %rbp
.cfi_push %rbx
___
$code.=<<___ if ($win64);
lea -0xa8(%rsp),%rsp
movaps %xmm6,(%rsp)
movaps %xmm7,0x10(%rsp)
movaps %xmm8,0x20(%rsp)
movaps %xmm9,0x30(%rsp)
movaps %xmm10,-0x78(%rax)
movaps %xmm11,-0x68(%rax)
movaps %xmm12,-0x58(%rax)
movaps %xmm13,-0x48(%rax)
movaps %xmm14,-0x38(%rax)
movaps %xmm15,-0x28(%rax)
___
$code.=<<___;
sub \$`$REG_SZ*18`,%rsp
and \$-256,%rsp
mov %rax,`$REG_SZ*17`(%rsp) # original %rsp
.cfi_cfa_expression %rsp+`$REG_SZ*17`,deref,+8
.Lbody:
lea K_XX_XX(%rip),$Tbl
lea `$REG_SZ*16`(%rsp),%rbx
.Loop_grande:
mov $num,`$REG_SZ*17+8`(%rsp) # original $num
xor $num,$num
___
for($i=0;$i<4;$i++) {
$code.=<<___;
mov `16*$i+0`($inp),@ptr[$i] # input pointer
mov `16*$i+8`($inp),%ecx # number of blocks
cmp $num,%ecx
cmovg %ecx,$num # find maximum
test %ecx,%ecx
mov %ecx,`4*$i`(%rbx) # initialize counters
cmovle $Tbl,@ptr[$i] # cancel input
___
}
$code.=<<___;
test $num,$num
jz .Ldone
movdqu 0x00($ctx),$A # load context
lea 128(%rsp),%rax
movdqu 0x20($ctx),$B
movdqu 0x40($ctx),$C
movdqu 0x60($ctx),$D
movdqu 0x80($ctx),$E
movdqa 0x60($Tbl),$tx # pbswap_mask
movdqa -0x20($Tbl),$K # K_00_19
jmp .Loop
.align 32
.Loop:
___
for($i=0;$i<20;$i++) { &BODY_00_19($i,@V); unshift(@V,pop(@V)); }
$code.=" movdqa 0x00($Tbl),$K\n"; # K_20_39
for(;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
$code.=" movdqa 0x20($Tbl),$K\n"; # K_40_59
for(;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); }
$code.=" movdqa 0x40($Tbl),$K\n"; # K_60_79
for(;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
$code.=<<___;
movdqa (%rbx),@Xi[0] # pull counters
mov \$1,%ecx
cmp 4*0(%rbx),%ecx # examine counters
pxor $t2,$t2
cmovge $Tbl,@ptr[0] # cancel input
cmp 4*1(%rbx),%ecx
movdqa @Xi[0],@Xi[1]
cmovge $Tbl,@ptr[1]
cmp 4*2(%rbx),%ecx
pcmpgtd $t2,@Xi[1] # mask value
cmovge $Tbl,@ptr[2]
cmp 4*3(%rbx),%ecx
paddd @Xi[1],@Xi[0] # counters--
cmovge $Tbl,@ptr[3]
movdqu 0x00($ctx),$t0
pand @Xi[1],$A
movdqu 0x20($ctx),$t1
pand @Xi[1],$B
paddd $t0,$A
movdqu 0x40($ctx),$t2
pand @Xi[1],$C
paddd $t1,$B
movdqu 0x60($ctx),$t3
pand @Xi[1],$D
paddd $t2,$C
movdqu 0x80($ctx),$tx
pand @Xi[1],$E
movdqu $A,0x00($ctx)
paddd $t3,$D
movdqu $B,0x20($ctx)
paddd $tx,$E
movdqu $C,0x40($ctx)
movdqu $D,0x60($ctx)
movdqu $E,0x80($ctx)
movdqa @Xi[0],(%rbx) # save counters
movdqa 0x60($Tbl),$tx # pbswap_mask
movdqa -0x20($Tbl),$K # K_00_19
dec $num
jnz .Loop
mov `$REG_SZ*17+8`(%rsp),$num
lea $REG_SZ($ctx),$ctx
lea `16*$REG_SZ/4`($inp),$inp
dec $num
jnz .Loop_grande
.Ldone:
mov `$REG_SZ*17`(%rsp),%rax # original %rsp
.cfi_def_cfa %rax,8
___
$code.=<<___ if ($win64);
movaps -0xb8(%rax),%xmm6
movaps -0xa8(%rax),%xmm7
movaps -0x98(%rax),%xmm8
movaps -0x88(%rax),%xmm9
movaps -0x78(%rax),%xmm10
movaps -0x68(%rax),%xmm11
movaps -0x58(%rax),%xmm12
movaps -0x48(%rax),%xmm13
movaps -0x38(%rax),%xmm14
movaps -0x28(%rax),%xmm15
___
$code.=<<___;
mov -16(%rax),%rbp
.cfi_restore %rbp
mov -8(%rax),%rbx
.cfi_restore %rbx
lea (%rax),%rsp
.cfi_def_cfa_register %rsp
.Lepilogue:
ret
.cfi_endproc
.size sha1_multi_block,.-sha1_multi_block
___
{{{
my ($ABCD0,$E0,$E0_,$BSWAP,$ABCD1,$E1,$E1_)=map("%xmm$_",(0..3,8..10));
my @MSG0=map("%xmm$_",(4..7));
my @MSG1=map("%xmm$_",(11..14));
$code.=<<___;
.type sha1_multi_block_shaext,\@function,3
.align 32
sha1_multi_block_shaext:
.cfi_startproc
_shaext_shortcut:
mov %rsp,%rax
.cfi_def_cfa_register %rax
push %rbx
.cfi_push %rbx
push %rbp
.cfi_push %rbp
___
$code.=<<___ if ($win64);
lea -0xa8(%rsp),%rsp
movaps %xmm6,(%rsp)
movaps %xmm7,0x10(%rsp)
movaps %xmm8,0x20(%rsp)
movaps %xmm9,0x30(%rsp)
movaps %xmm10,-0x78(%rax)
movaps %xmm11,-0x68(%rax)
movaps %xmm12,-0x58(%rax)
movaps %xmm13,-0x48(%rax)
movaps %xmm14,-0x38(%rax)
movaps %xmm15,-0x28(%rax)
___
$code.=<<___;
sub \$`$REG_SZ*18`,%rsp
shl \$1,$num # we process pair at a time
and \$-256,%rsp
lea 0x40($ctx),$ctx # size optimization
mov %rax,`$REG_SZ*17`(%rsp) # original %rsp
.Lbody_shaext:
lea `$REG_SZ*16`(%rsp),%rbx
movdqa K_XX_XX+0x80(%rip),$BSWAP # byte-n-word swap
.Loop_grande_shaext:
mov $num,`$REG_SZ*17+8`(%rsp) # original $num
xor $num,$num
___
for($i=0;$i<2;$i++) {
$code.=<<___;
mov `16*$i+0`($inp),@ptr[$i] # input pointer
mov `16*$i+8`($inp),%ecx # number of blocks
cmp $num,%ecx
cmovg %ecx,$num # find maximum
test %ecx,%ecx
mov %ecx,`4*$i`(%rbx) # initialize counters
cmovle %rsp,@ptr[$i] # cancel input
___
}
$code.=<<___;
test $num,$num
jz .Ldone_shaext
movq 0x00-0x40($ctx),$ABCD0 # a1.a0
movq 0x20-0x40($ctx),@MSG0[0]# b1.b0
movq 0x40-0x40($ctx),@MSG0[1]# c1.c0
movq 0x60-0x40($ctx),@MSG0[2]# d1.d0
movq 0x80-0x40($ctx),@MSG0[3]# e1.e0
punpckldq @MSG0[0],$ABCD0 # b1.a1.b0.a0
punpckldq @MSG0[2],@MSG0[1] # d1.c1.d0.c0
movdqa $ABCD0,$ABCD1
punpcklqdq @MSG0[1],$ABCD0 # d0.c0.b0.a0
punpckhqdq @MSG0[1],$ABCD1 # d1.c1.b1.a1
pshufd \$0b00111111,@MSG0[3],$E0
pshufd \$0b01111111,@MSG0[3],$E1
pshufd \$0b00011011,$ABCD0,$ABCD0
pshufd \$0b00011011,$ABCD1,$ABCD1
jmp .Loop_shaext
.align 32
.Loop_shaext:
movdqu 0x00(@ptr[0]),@MSG0[0]
movdqu 0x00(@ptr[1]),@MSG1[0]
movdqu 0x10(@ptr[0]),@MSG0[1]
movdqu 0x10(@ptr[1]),@MSG1[1]
movdqu 0x20(@ptr[0]),@MSG0[2]
pshufb $BSWAP,@MSG0[0]
movdqu 0x20(@ptr[1]),@MSG1[2]
pshufb $BSWAP,@MSG1[0]
movdqu 0x30(@ptr[0]),@MSG0[3]
lea 0x40(@ptr[0]),@ptr[0]
pshufb $BSWAP,@MSG0[1]
movdqu 0x30(@ptr[1]),@MSG1[3]
lea 0x40(@ptr[1]),@ptr[1]
pshufb $BSWAP,@MSG1[1]
movdqa $E0,0x50(%rsp) # offload
paddd @MSG0[0],$E0
movdqa $E1,0x70(%rsp)
paddd @MSG1[0],$E1
movdqa $ABCD0,0x40(%rsp) # offload
movdqa $ABCD0,$E0_
movdqa $ABCD1,0x60(%rsp)
movdqa $ABCD1,$E1_
sha1rnds4 \$0,$E0,$ABCD0 # 0-3
sha1nexte @MSG0[1],$E0_
sha1rnds4 \$0,$E1,$ABCD1 # 0-3
sha1nexte @MSG1[1],$E1_
pshufb $BSWAP,@MSG0[2]
prefetcht0 127(@ptr[0])
sha1msg1 @MSG0[1],@MSG0[0]
pshufb $BSWAP,@MSG1[2]
prefetcht0 127(@ptr[1])
sha1msg1 @MSG1[1],@MSG1[0]
pshufb $BSWAP,@MSG0[3]
movdqa $ABCD0,$E0
pshufb $BSWAP,@MSG1[3]
movdqa $ABCD1,$E1
sha1rnds4 \$0,$E0_,$ABCD0 # 4-7
sha1nexte @MSG0[2],$E0
sha1rnds4 \$0,$E1_,$ABCD1 # 4-7
sha1nexte @MSG1[2],$E1
pxor @MSG0[2],@MSG0[0]
sha1msg1 @MSG0[2],@MSG0[1]
pxor @MSG1[2],@MSG1[0]
sha1msg1 @MSG1[2],@MSG1[1]
___
for($i=2;$i<20-4;$i++) {
$code.=<<___;
movdqa $ABCD0,$E0_
movdqa $ABCD1,$E1_
sha1rnds4 \$`int($i/5)`,$E0,$ABCD0 # 8-11
sha1nexte @MSG0[3],$E0_
sha1rnds4 \$`int($i/5)`,$E1,$ABCD1 # 8-11
sha1nexte @MSG1[3],$E1_
sha1msg2 @MSG0[3],@MSG0[0]
sha1msg2 @MSG1[3],@MSG1[0]
pxor @MSG0[3],@MSG0[1]
sha1msg1 @MSG0[3],@MSG0[2]
pxor @MSG1[3],@MSG1[1]
sha1msg1 @MSG1[3],@MSG1[2]
___
($E0,$E0_)=($E0_,$E0); ($E1,$E1_)=($E1_,$E1);
push(@MSG0,shift(@MSG0)); push(@MSG1,shift(@MSG1));
}
$code.=<<___;
movdqa $ABCD0,$E0_
movdqa $ABCD1,$E1_
sha1rnds4 \$3,$E0,$ABCD0 # 64-67
sha1nexte @MSG0[3],$E0_
sha1rnds4 \$3,$E1,$ABCD1 # 64-67
sha1nexte @MSG1[3],$E1_
sha1msg2 @MSG0[3],@MSG0[0]
sha1msg2 @MSG1[3],@MSG1[0]
pxor @MSG0[3],@MSG0[1]
pxor @MSG1[3],@MSG1[1]
mov \$1,%ecx
pxor @MSG0[2],@MSG0[2] # zero
cmp 4*0(%rbx),%ecx # examine counters
cmovge %rsp,@ptr[0] # cancel input
movdqa $ABCD0,$E0
movdqa $ABCD1,$E1
sha1rnds4 \$3,$E0_,$ABCD0 # 68-71
sha1nexte @MSG0[0],$E0
sha1rnds4 \$3,$E1_,$ABCD1 # 68-71
sha1nexte @MSG1[0],$E1
sha1msg2 @MSG0[0],@MSG0[1]
sha1msg2 @MSG1[0],@MSG1[1]
cmp 4*1(%rbx),%ecx
cmovge %rsp,@ptr[1]
movq (%rbx),@MSG0[0] # pull counters
movdqa $ABCD0,$E0_
movdqa $ABCD1,$E1_
sha1rnds4 \$3,$E0,$ABCD0 # 72-75
sha1nexte @MSG0[1],$E0_
sha1rnds4 \$3,$E1,$ABCD1 # 72-75
sha1nexte @MSG1[1],$E1_
pshufd \$0x00,@MSG0[0],@MSG1[2]
pshufd \$0x55,@MSG0[0],@MSG1[3]
movdqa @MSG0[0],@MSG0[1]
pcmpgtd @MSG0[2],@MSG1[2]
pcmpgtd @MSG0[2],@MSG1[3]
movdqa $ABCD0,$E0
movdqa $ABCD1,$E1
sha1rnds4 \$3,$E0_,$ABCD0 # 76-79
sha1nexte $MSG0[2],$E0
sha1rnds4 \$3,$E1_,$ABCD1 # 76-79
sha1nexte $MSG0[2],$E1
pcmpgtd @MSG0[2],@MSG0[1] # counter mask
pand @MSG1[2],$ABCD0
pand @MSG1[2],$E0
pand @MSG1[3],$ABCD1
pand @MSG1[3],$E1
paddd @MSG0[1],@MSG0[0] # counters--
paddd 0x40(%rsp),$ABCD0
paddd 0x50(%rsp),$E0
paddd 0x60(%rsp),$ABCD1
paddd 0x70(%rsp),$E1
movq @MSG0[0],(%rbx) # save counters
dec $num
jnz .Loop_shaext
mov `$REG_SZ*17+8`(%rsp),$num
pshufd \$0b00011011,$ABCD0,$ABCD0
pshufd \$0b00011011,$ABCD1,$ABCD1
movdqa $ABCD0,@MSG0[0]
punpckldq $ABCD1,$ABCD0 # b1.b0.a1.a0
punpckhdq $ABCD1,@MSG0[0] # d1.d0.c1.c0
punpckhdq $E1,$E0 # e1.e0.xx.xx
movq $ABCD0,0x00-0x40($ctx) # a1.a0
psrldq \$8,$ABCD0
movq @MSG0[0],0x40-0x40($ctx)# c1.c0
psrldq \$8,@MSG0[0]
movq $ABCD0,0x20-0x40($ctx) # b1.b0
psrldq \$8,$E0
movq @MSG0[0],0x60-0x40($ctx)# d1.d0
movq $E0,0x80-0x40($ctx) # e1.e0
lea `$REG_SZ/2`($ctx),$ctx
lea `16*2`($inp),$inp
dec $num
jnz .Loop_grande_shaext
.Ldone_shaext:
#mov `$REG_SZ*17`(%rsp),%rax # original %rsp
___
$code.=<<___ if ($win64);
movaps -0xb8(%rax),%xmm6
movaps -0xa8(%rax),%xmm7
movaps -0x98(%rax),%xmm8
movaps -0x88(%rax),%xmm9
movaps -0x78(%rax),%xmm10
movaps -0x68(%rax),%xmm11
movaps -0x58(%rax),%xmm12
movaps -0x48(%rax),%xmm13
movaps -0x38(%rax),%xmm14
movaps -0x28(%rax),%xmm15
___
$code.=<<___;
mov -16(%rax),%rbp
.cfi_restore %rbp
mov -8(%rax),%rbx
.cfi_restore %rbx
lea (%rax),%rsp
.cfi_def_cfa_register %rsp
.Lepilogue_shaext:
ret
.cfi_endproc
.size sha1_multi_block_shaext,.-sha1_multi_block_shaext
___
}}}
if ($avx) {{{
sub BODY_00_19_avx {
my ($i,$a,$b,$c,$d,$e)=@_;
my $j=$i+1;
my $k=$i+2;
my $vpack = $REG_SZ==16 ? "vpunpckldq" : "vinserti128";
my $ptr_n = $REG_SZ==16 ? @ptr[1] : @ptr[4];
$code.=<<___ if ($i==0 && $REG_SZ==16);
vmovd (@ptr[0]),@Xi[0]
lea `16*4`(@ptr[0]),@ptr[0]
vmovd (@ptr[1]),@Xi[2] # borrow Xi[2]
lea `16*4`(@ptr[1]),@ptr[1]
vpinsrd \$1,(@ptr[2]),@Xi[0],@Xi[0]
lea `16*4`(@ptr[2]),@ptr[2]
vpinsrd \$1,(@ptr[3]),@Xi[2],@Xi[2]
lea `16*4`(@ptr[3]),@ptr[3]
vmovd `4*$j-16*4`(@ptr[0]),@Xi[1]
vpunpckldq @Xi[2],@Xi[0],@Xi[0]
vmovd `4*$j-16*4`($ptr_n),$t3
vpshufb $tx,@Xi[0],@Xi[0]
___
$code.=<<___ if ($i<15 && $REG_SZ==16); # just load input
vpinsrd \$1,`4*$j-16*4`(@ptr[2]),@Xi[1],@Xi[1]
vpinsrd \$1,`4*$j-16*4`(@ptr[3]),$t3,$t3
___
$code.=<<___ if ($i==0 && $REG_SZ==32);
vmovd (@ptr[0]),@Xi[0]
lea `16*4`(@ptr[0]),@ptr[0]
vmovd (@ptr[4]),@Xi[2] # borrow Xi[2]
lea `16*4`(@ptr[4]),@ptr[4]
vmovd (@ptr[1]),$t2
lea `16*4`(@ptr[1]),@ptr[1]
vmovd (@ptr[5]),$t1
lea `16*4`(@ptr[5]),@ptr[5]
vpinsrd \$1,(@ptr[2]),@Xi[0],@Xi[0]
lea `16*4`(@ptr[2]),@ptr[2]
vpinsrd \$1,(@ptr[6]),@Xi[2],@Xi[2]
lea `16*4`(@ptr[6]),@ptr[6]
vpinsrd \$1,(@ptr[3]),$t2,$t2
lea `16*4`(@ptr[3]),@ptr[3]
vpunpckldq $t2,@Xi[0],@Xi[0]
vpinsrd \$1,(@ptr[7]),$t1,$t1
lea `16*4`(@ptr[7]),@ptr[7]
vpunpckldq $t1,@Xi[2],@Xi[2]
vmovd `4*$j-16*4`(@ptr[0]),@Xi[1]
vinserti128 @Xi[2],@Xi[0],@Xi[0]
vmovd `4*$j-16*4`($ptr_n),$t3
vpshufb $tx,@Xi[0],@Xi[0]
___
$code.=<<___ if ($i<15 && $REG_SZ==32); # just load input
vmovd `4*$j-16*4`(@ptr[1]),$t2
vmovd `4*$j-16*4`(@ptr[5]),$t1
vpinsrd \$1,`4*$j-16*4`(@ptr[2]),@Xi[1],@Xi[1]
vpinsrd \$1,`4*$j-16*4`(@ptr[6]),$t3,$t3
vpinsrd \$1,`4*$j-16*4`(@ptr[3]),$t2,$t2
vpunpckldq $t2,@Xi[1],@Xi[1]
vpinsrd \$1,`4*$j-16*4`(@ptr[7]),$t1,$t1
vpunpckldq $t1,$t3,$t3
___
$code.=<<___ if ($i<14);
vpaddd $K,$e,$e # e+=K_00_19
vpslld \$5,$a,$t2
vpandn $d,$b,$t1
vpand $c,$b,$t0
vmovdqa @Xi[0],`&Xi_off($i)`
vpaddd @Xi[0],$e,$e # e+=X[i]
$vpack $t3,@Xi[1],@Xi[1]
vpsrld \$27,$a,$t3
vpxor $t1,$t0,$t0 # Ch(b,c,d)
vmovd `4*$k-16*4`(@ptr[0]),@Xi[2]
vpslld \$30,$b,$t1
vpor $t3,$t2,$t2 # rol(a,5)
vmovd `4*$k-16*4`($ptr_n),$t3
vpaddd $t0,$e,$e # e+=Ch(b,c,d)
vpsrld \$2,$b,$b
vpaddd $t2,$e,$e # e+=rol(a,5)
vpshufb $tx,@Xi[1],@Xi[1]
vpor $t1,$b,$b # b=rol(b,30)
___
$code.=<<___ if ($i==14);
vpaddd $K,$e,$e # e+=K_00_19
prefetcht0 63(@ptr[0])
vpslld \$5,$a,$t2
vpandn $d,$b,$t1
vpand $c,$b,$t0
vmovdqa @Xi[0],`&Xi_off($i)`
vpaddd @Xi[0],$e,$e # e+=X[i]
$vpack $t3,@Xi[1],@Xi[1]
vpsrld \$27,$a,$t3
prefetcht0 63(@ptr[1])
vpxor $t1,$t0,$t0 # Ch(b,c,d)
vpslld \$30,$b,$t1
vpor $t3,$t2,$t2 # rol(a,5)
prefetcht0 63(@ptr[2])
vpaddd $t0,$e,$e # e+=Ch(b,c,d)
vpsrld \$2,$b,$b
vpaddd $t2,$e,$e # e+=rol(a,5)
prefetcht0 63(@ptr[3])
vpshufb $tx,@Xi[1],@Xi[1]
vpor $t1,$b,$b # b=rol(b,30)
___
$code.=<<___ if ($i>=13 && $i<15);
vmovdqa `&Xi_off($j+2)`,@Xi[3] # preload "X[2]"
___
$code.=<<___ if ($i>=15); # apply Xupdate
vpxor @Xi[-2],@Xi[1],@Xi[1] # "X[13]"
vmovdqa `&Xi_off($j+2)`,@Xi[3] # "X[2]"
vpaddd $K,$e,$e # e+=K_00_19
vpslld \$5,$a,$t2
vpandn $d,$b,$t1
`"prefetcht0 63(@ptr[4])" if ($i==15 && $REG_SZ==32)`
vpand $c,$b,$t0
vmovdqa @Xi[0],`&Xi_off($i)`
vpaddd @Xi[0],$e,$e # e+=X[i]
vpxor `&Xi_off($j+8)`,@Xi[1],@Xi[1]
vpsrld \$27,$a,$t3
vpxor $t1,$t0,$t0 # Ch(b,c,d)
vpxor @Xi[3],@Xi[1],@Xi[1]
`"prefetcht0 63(@ptr[5])" if ($i==15 && $REG_SZ==32)`
vpslld \$30,$b,$t1
vpor $t3,$t2,$t2 # rol(a,5)
vpaddd $t0,$e,$e # e+=Ch(b,c,d)
`"prefetcht0 63(@ptr[6])" if ($i==15 && $REG_SZ==32)`
vpsrld \$31,@Xi[1],$tx
vpaddd @Xi[1],@Xi[1],@Xi[1]
vpsrld \$2,$b,$b
`"prefetcht0 63(@ptr[7])" if ($i==15 && $REG_SZ==32)`
vpaddd $t2,$e,$e # e+=rol(a,5)
vpor $tx,@Xi[1],@Xi[1] # rol \$1,@Xi[1]
vpor $t1,$b,$b # b=rol(b,30)
___
push(@Xi,shift(@Xi));
}
sub BODY_20_39_avx {
my ($i,$a,$b,$c,$d,$e)=@_;
my $j=$i+1;
$code.=<<___ if ($i<79);
vpxor @Xi[-2],@Xi[1],@Xi[1] # "X[13]"
vmovdqa `&Xi_off($j+2)`,@Xi[3] # "X[2]"
vpslld \$5,$a,$t2
vpaddd $K,$e,$e # e+=K_20_39
vpxor $b,$d,$t0
___
$code.=<<___ if ($i<72);
vmovdqa @Xi[0],`&Xi_off($i)`
___
$code.=<<___ if ($i<79);
vpaddd @Xi[0],$e,$e # e+=X[i]
vpxor `&Xi_off($j+8)`,@Xi[1],@Xi[1]
vpsrld \$27,$a,$t3
vpxor $c,$t0,$t0 # Parity(b,c,d)
vpxor @Xi[3],@Xi[1],@Xi[1]
vpslld \$30,$b,$t1
vpor $t3,$t2,$t2 # rol(a,5)
vpaddd $t0,$e,$e # e+=Parity(b,c,d)
vpsrld \$31,@Xi[1],$tx
vpaddd @Xi[1],@Xi[1],@Xi[1]
vpsrld \$2,$b,$b
vpaddd $t2,$e,$e # e+=rol(a,5)
vpor $tx,@Xi[1],@Xi[1] # rol(@Xi[1],1)
vpor $t1,$b,$b # b=rol(b,30)
___
$code.=<<___ if ($i==79);
vpslld \$5,$a,$t2
vpaddd $K,$e,$e # e+=K_20_39
vpxor $b,$d,$t0
vpsrld \$27,$a,$t3
vpaddd @Xi[0],$e,$e # e+=X[i]
vpxor $c,$t0,$t0 # Parity(b,c,d)
vpslld \$30,$b,$t1
vpor $t3,$t2,$t2 # rol(a,5)
vpaddd $t0,$e,$e # e+=Parity(b,c,d)
vpsrld \$2,$b,$b
vpaddd $t2,$e,$e # e+=rol(a,5)
vpor $t1,$b,$b # b=rol(b,30)
___
push(@Xi,shift(@Xi));
}
sub BODY_40_59_avx {
my ($i,$a,$b,$c,$d,$e)=@_;
my $j=$i+1;
$code.=<<___;
vpxor @Xi[-2],@Xi[1],@Xi[1] # "X[13]"
vmovdqa `&Xi_off($j+2)`,@Xi[3] # "X[2]"
vpaddd $K,$e,$e # e+=K_40_59
vpslld \$5,$a,$t2
vpand $c,$d,$t1
vpxor `&Xi_off($j+8)`,@Xi[1],@Xi[1]
vpaddd $t1,$e,$e
vpsrld \$27,$a,$t3
vpxor $c,$d,$t0
vpxor @Xi[3],@Xi[1],@Xi[1]