aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/sha/asm/sha512-parisc.pl
blob: fc0e15b3c0593a04c803b1284b7d885a91df9314 (plain) (blame)
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
#!/usr/bin/env perl

# ====================================================================
# Written by Andy Polyakov <appro@fy.chalmers.se> 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/.
# ====================================================================

# SHA256/512 block procedure for PA-RISC.

# June 2009.
#
# SHA256 performance is >75% better than gcc 3.2 generated code on
# PA-7100LC. Compared to code generated by vendor compiler this
# implementation is almost 70% faster in 64-bit build, but delivers
# virtually same performance in 32-bit build on PA-8600.
#
# SHA512 performance is >2.9x better than gcc 3.2 generated code on
# PA-7100LC, PA-RISC 1.1 processor. Then implementation detects if the
# code is executed on PA-RISC 2.0 processor and switches to 64-bit
# code path delivering adequate peformance even in "blended" 32-bit
# build. Though 64-bit code is not any faster than code generated by
# vendor compiler on PA-8600...
#
# Special thanks to polarhome.com for providing HP-UX account.

$flavour = shift;
$output = shift;
open STDOUT,">$output";

if ($flavour =~ /64/) {
	$LEVEL		="2.0W";
	$SIZE_T		=8;
	$FRAME_MARKER	=80;
	$SAVED_RP	=16;
	$PUSH		="std";
	$PUSHMA		="std,ma";
	$POP		="ldd";
	$POPMB		="ldd,mb";
} else {
	$LEVEL		="1.0";
	$SIZE_T		=4;
	$FRAME_MARKER	=48;
	$SAVED_RP	=20;
	$PUSH		="stw";
	$PUSHMA		="stwm";
	$POP		="ldw";
	$POPMB		="ldwm";
}

if ($output =~ /512/) {
	$func="sha512_block_data_order";
	$SZ=8;
	@Sigma0=(28,34,39);
	@Sigma1=(14,18,41);
	@sigma0=(1,  8, 7);
	@sigma1=(19,61, 6);
	$rounds=80;
	$LAST10BITS=0x017;
	$LD="ldd";
	$LDM="ldd,ma";
	$ST="std";
} else {
	$func="sha256_block_data_order";
	$SZ=4;
	@Sigma0=( 2,13,22);
	@Sigma1=( 6,11,25);
	@sigma0=( 7,18, 3);
	@sigma1=(17,19,10);
	$rounds=64;
	$LAST10BITS=0x0f2;
	$LD="ldw";
	$LDM="ldwm";
	$ST="stw";
}

$FRAME=16*$SIZE_T+$FRAME_MARKER;# 16 saved regs + frame marker
				#                 [+ argument transfer]
$XOFF=16*$SZ+32;		# local variables
$FRAME+=$XOFF;
$XOFF+=$FRAME_MARKER;		# distance between %sp and local variables

$ctx="%r26";	# zapped by $a0
$inp="%r25";	# zapped by $a1
$num="%r24";	# zapped by $t0

$a0 ="%r26";
$a1 ="%r25";
$t0 ="%r24";
$t1 ="%r29";
$Tbl="%r31";

@V=($A,$B,$C,$D,$E,$F,$G,$H)=("%r17","%r18","%r19","%r20","%r21","%r22","%r23","%r28");

@X=("%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7", "%r8",
    "%r9", "%r10","%r11","%r12","%r13","%r14","%r15","%r16",$inp);

sub ROUND_00_15 {
my ($i,$a,$b,$c,$d,$e,$f,$g,$h)=@_;
$code.=<<___;
	_ror	$e,$Sigma1[0],$a0
	and	$f,$e,$t0
	_ror	$e,$Sigma1[1],$a1
	addl	$t1,$h,$h
	andcm	$g,$e,$t1
	xor	$a1,$a0,$a0
	_ror	$a1,`$Sigma1[2]-$Sigma1[1]`,$a1
	or	$t0,$t1,$t1		; Ch(e,f,g)
	addl	@X[$i%16],$h,$h
	xor	$a0,$a1,$a1		; Sigma1(e)
	addl	$t1,$h,$h
	_ror	$a,$Sigma0[0],$a0
	addl	$a1,$h,$h

	_ror	$a,$Sigma0[1],$a1
	and	$a,$b,$t0
	and	$a,$c,$t1
	xor	$a1,$a0,$a0
	_ror	$a1,`$Sigma0[2]-$Sigma0[1]`,$a1
	xor	$t1,$t0,$t0
	and	$b,$c,$t1
	xor	$a0,$a1,$a1		; Sigma0(a)
	addl	$h,$d,$d
	xor	$t1,$t0,$t0		; Maj(a,b,c)
	`"$LDM	$SZ($Tbl),$t1" if ($i<15)`
	addl	$a1,$h,$h
	addl	$t0,$h,$h

___
}

sub ROUND_16_xx {
my ($i,$a,$b,$c,$d,$e,$f,$g,$h)=@_;
$i-=16;
$code.=<<___;
	_ror	@X[($i+1)%16],$sigma0[0],$a0
	_ror	@X[($i+1)%16],$sigma0[1],$a1
	addl	@X[($i+9)%16],@X[$i],@X[$i]
	_ror	@X[($i+14)%16],$sigma1[0],$t0
	_ror	@X[($i+14)%16],$sigma1[1],$t1
	xor	$a1,$a0,$a0
	_shr	@X[($i+1)%16],$sigma0[2],$a1
	xor	$t1,$t0,$t0
	_shr	@X[($i+14)%16],$sigma1[2],$t1
	xor	$a1,$a0,$a0		; sigma0(X[(i+1)&0x0f])
	xor	$t1,$t0,$t0		; sigma1(X[(i+14)&0x0f])
	$LDM	$SZ($Tbl),$t1
	addl	$a0,@X[$i],@X[$i]
	addl	$t0,@X[$i],@X[$i]
___
$code.=<<___ if ($i==15);
	extru	$t1,31,10,$a1
	comiclr,<> $LAST10BITS,$a1,%r0
	ldo	1($Tbl),$Tbl		; signal end of $Tbl
___
&ROUND_00_15($i+16,$a,$b,$c,$d,$e,$f,$g,$h);
}

$code=<<___;
	.LEVEL	$LEVEL
	.SPACE	\$TEXT\$
	.SUBSPA	\$CODE\$,QUAD=0,ALIGN=8,ACCESS=0x2C,CODE_ONLY

	.ALIGN	64
L\$table
___
$code.=<<___ if ($SZ==8);
	.WORD	0x428a2f98,0xd728ae22,0x71374491,0x23ef65cd
	.WORD	0xb5c0fbcf,0xec4d3b2f,0xe9b5dba5,0x8189dbbc
	.WORD	0x3956c25b,0xf348b538,0x59f111f1,0xb605d019
	.WORD	0x923f82a4,0xaf194f9b,0xab1c5ed5,0xda6d8118
	.WORD	0xd807aa98,0xa3030242,0x12835b01,0x45706fbe
	.WORD	0x243185be,0x4ee4b28c,0x550c7dc3,0xd5ffb4e2
	.WORD	0x72be5d74,0xf27b896f,0x80deb1fe,0x3b1696b1
	.WORD	0x9bdc06a7,0x25c71235,0xc19bf174,0xcf692694
	.WORD	0xe49b69c1,0x9ef14ad2,0xefbe4786,0x384f25e3
	.WORD	0x0fc19dc6,0x8b8cd5b5,0x240ca1cc,0x77ac9c65
	.WORD	0x2de92c6f,0x592b0275,0x4a7484aa,0x6ea6e483
	.WORD	0x5cb0a9dc,0xbd41fbd4,0x76f988da,0x831153b5
	.WORD	0x983e5152,0xee66dfab,0xa831c66d,0x2db43210
	.WORD	0xb00327c8,0x98fb213f,0xbf597fc7,0xbeef0ee4
	.WORD	0xc6e00bf3,0x3da88fc2,0xd5a79147,0x930aa725
	.WORD	0x06ca6351,0xe003826f,0x14292967,0x0a0e6e70
	.WORD	0x27b70a85,0x46d22ffc,0x2e1b2138,0x5c26c926
	.WORD	0x4d2c6dfc,0x5ac42aed,0x53380d13,0x9d95b3df
	.WORD	0x650a7354,0x8baf63de,0x766a0abb,0x3c77b2a8
	.WORD	0x81c2c92e,0x47edaee6,0x92722c85,0x1482353b
	.WORD	0xa2bfe8a1,0x4cf10364,0xa81a664b,0xbc423001
	.WORD	0xc24b8b70,0xd0f89791,0xc76c51a3,0x0654be30
	.WORD	0xd192e819,0xd6ef5218,0xd6990624,0x5565a910
	.WORD	0xf40e3585,0x5771202a,0x106aa070,0x32bbd1b8
	.WORD	0x19a4c116,0xb8d2d0c8,0x1e376c08,0x5141ab53
	.WORD	0x2748774c,0xdf8eeb99,0x34b0bcb5,0xe19b48a8
	.WORD	0x391c0cb3,0xc5c95a63,0x4ed8aa4a,0xe3418acb
	.WORD	0x5b9cca4f,0x7763e373,0x682e6ff3,0xd6b2b8a3
	.WORD	0x748f82ee,0x5defb2fc,0x78a5636f,0x43172f60
	.WORD	0x84c87814,0xa1f0ab72,0x8cc70208,0x1a6439ec
	.WORD	0x90befffa,0x23631e28,0xa4506ceb,0xde82bde9
	.WORD	0xbef9a3f7,0xb2c67915,0xc67178f2,0xe372532b
	.WORD	0xca273ece,0xea26619c,0xd186b8c7,0x21c0c207
	.WORD	0xeada7dd6,0xcde0eb1e,0xf57d4f7f,0xee6ed178
	.WORD	0x06f067aa,0x72176fba,0x0a637dc5,0xa2c898a6
	.WORD	0x113f9804,0xbef90dae,0x1b710b35,0x131c471b
	.WORD	0x28db77f5,0x23047d84,0x32caab7b,0x40c72493
	.WORD	0x3c9ebe0a,0x15c9bebc,0x431d67c4,0x9c100d4c
	.WORD	0x4cc5d4be,0xcb3e42b6,0x597f299c,0xfc657e2a
	.WORD	0x5fcb6fab,0x3ad6faec,0x6c44198c,0x4a475817
___
$code.=<<___ if ($SZ==4);
	.WORD	0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
	.WORD	0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
	.WORD	0xd807aa98,0x12835b01,0x243185be,0x550c7dc3
	.WORD	0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174
	.WORD	0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc
	.WORD	0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da
	.WORD	0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7
	.WORD	0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967
	.WORD	0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13
	.WORD	0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85
	.WORD	0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3
	.WORD	0xd192e819,0xd6990624,0xf40e3585,0x106aa070
	.WORD	0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5
	.WORD	0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
	.WORD	0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
	.WORD	0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
___
$code.=<<___;

	.EXPORT	$func,ENTRY,ARGW0=GR,ARGW1=GR,ARGW2=GR
	.ALIGN	64
$func
	.PROC
	.CALLINFO	FRAME=`$FRAME-16*$SIZE_T`,NO_CALLS,SAVE_RP,ENTRY_GR=18
	.ENTRY
	$PUSH	%r2,-$SAVED_RP(%sp)	; standard prologue
	$PUSHMA	%r3,$FRAME(%sp)
	$PUSH	%r4,`-$FRAME+1*$SIZE_T`(%sp)
	$PUSH	%r5,`-$FRAME+2*$SIZE_T`(%sp)
	$PUSH	%r6,`-$FRAME+3*$SIZE_T`(%sp)
	$PUSH	%r7,`-$FRAME+4*$SIZE_T`(%sp)
	$PUSH	%r8,`-$FRAME+5*$SIZE_T`(%sp)
	$PUSH	%r9,`-$FRAME+6*$SIZE_T`(%sp)
	$PUSH	%r10,`-$FRAME+7*$SIZE_T`(%sp)
	$PUSH	%r11,`-$FRAME+8*$SIZE_T`(%sp)
	$PUSH	%r12,`-$FRAME+9*$SIZE_T`(%sp)
	$PUSH	%r13,`-$FRAME+10*$SIZE_T`(%sp)
	$PUSH	%r14,`-$FRAME+11*$SIZE_T`(%sp)
	$PUSH	%r15,`-$FRAME+12*$SIZE_T`(%sp)
	$PUSH	%r16,`-$FRAME+13*$SIZE_T`(%sp)
	$PUSH	%r17,`-$FRAME+14*$SIZE_T`(%sp)
	$PUSH	%r18,`-$FRAME+15*$SIZE_T`(%sp)

	_shl	$num,`log(16*$SZ)/log(2)`,$num
	addl	$inp,$num,$num		; $num to point at the end of $inp

	$PUSH	$num,`-$FRAME_MARKER-4*$SIZE_T`(%sp)	; save arguments
	$PUSH	$inp,`-$FRAME_MARKER-3*$SIZE_T`(%sp)
	$PUSH	$ctx,`-$FRAME_MARKER-2*$SIZE_T`(%sp)

	blr	%r0,$Tbl
	ldi	3,$t1
L\$pic
	andcm	$Tbl,$t1,$Tbl		; wipe privilege level
	ldo	L\$table-L\$pic($Tbl),$Tbl
___
$code.=<<___ if ($SZ==8 && $SIZE_T==4);
	ldi	31,$t1
	mtctl	$t1,%cr11
	extrd,u,*= $t1,%sar,1,$t1	; executes on PA-RISC 1.0
	b	L\$parisc1
	nop
___
$code.=<<___;
	$LD	`0*$SZ`($ctx),$A	; load context
	$LD	`1*$SZ`($ctx),$B
	$LD	`2*$SZ`($ctx),$C
	$LD	`3*$SZ`($ctx),$D
	$LD	`4*$SZ`($ctx),$E
	$LD	`5*$SZ`($ctx),$F
	$LD	`6*$SZ`($ctx),$G
	$LD	`7*$SZ`($ctx),$H

	extru	$inp,31,`log($SZ)/log(2)`,$t0
	sh3addl	$t0,%r0,$t0
	subi	`8*$SZ`,$t0,$t0
	mtctl	$t0,%cr11		; load %sar with align factor

L\$oop
	ldi	`$SZ-1`,$t0
	$LDM	$SZ($Tbl),$t1
	andcm	$inp,$t0,$t0		; align $inp
___
	for ($i=0;$i<15;$i++) {		# load input block
	$code.="\t$LD	`$SZ*$i`($t0),@X[$i]\n";		}
$code.=<<___;
	cmpb,*=	$inp,$t0,L\$aligned
	$LD	`$SZ*15`($t0),@X[15]
	$LD	`$SZ*16`($t0),@X[16]
___
	for ($i=0;$i<16;$i++) {		# align data
	$code.="\t_align	@X[$i],@X[$i+1],@X[$i]\n";	}
$code.=<<___;
L\$aligned
	nop	; otherwise /usr/ccs/bin/as is confused by below .WORD
___

for($i=0;$i<16;$i++)	{ &ROUND_00_15($i,@V); unshift(@V,pop(@V)); }
$code.=<<___;
L\$rounds
	nop	; otherwise /usr/ccs/bin/as is confused by below .WORD
___
for(;$i<32;$i++)	{ &ROUND_16_xx($i,@V); unshift(@V,pop(@V)); }
$code.=<<___;
	bb,>=	$Tbl,31,L\$rounds	; end of $Tbl signalled?
	nop

	$POP	`-$FRAME_MARKER-2*$SIZE_T`(%sp),$ctx	; restore arguments
	$POP	`-$FRAME_MARKER-3*$SIZE_T`(%sp),$inp
	$POP	`-$FRAME_MARKER-4*$SIZE_T`(%sp),$num
	ldo	`-$rounds*$SZ-1`($Tbl),$Tbl		; rewind $Tbl

	$LD	`0*$SZ`($ctx),@X[0]	; load context
	$LD	`1*$SZ`($ctx),@X[1]
	$LD	`2*$SZ`($ctx),@X[2]
	$LD	`3*$SZ`($ctx),@X[3]
	$LD	`4*$SZ`($ctx),@X[4]
	$LD	`5*$SZ`($ctx),@X[5]
	addl	@X[0],$A,$A
	$LD	`6*$SZ`($ctx),@X[6]
	addl	@X[1],$B,$B
	$LD	`7*$SZ`($ctx),@X[7]
	ldo	`16*$SZ`($inp),$inp	; advance $inp

	$ST	$A,`0*$SZ`($ctx)	; save context
	addl	@X[2],$C,$C
	$ST	$B,`1*$SZ`($ctx)
	addl	@X[3],$D,$D
	$ST	$C,`2*$SZ`($ctx)
	addl	@X[4],$E,$E
	$ST	$D,`3*$SZ`($ctx)
	addl	@X[5],$F,$F
	$ST	$E,`4*$SZ`($ctx)
	addl	@X[6],$G,$G
	$ST	$F,`5*$SZ`($ctx)
	addl	@X[7],$H,$H
	$ST	$G,`6*$SZ`($ctx)
	$ST	$H,`7*$SZ`($ctx)

	cmpb,*<>,n $inp,$num,L\$oop
	$PUSH	$inp,`-$FRAME_MARKER-3*$SIZE_T`(%sp)	; save $inp
___
if ($SZ==8 && $SIZE_T==4)	# SHA512 for 32-bit PA-RISC 1.0
{{
$code.=<<___;
	b	L\$done
	nop

	.ALIGN	64
L\$parisc1
___

@V=(  $Ahi,  $Alo,  $Bhi,  $Blo,  $Chi,  $Clo,  $Dhi,  $Dlo,
      $Ehi,  $Elo,  $Fhi,  $Flo,  $Ghi,  $Glo,  $Hhi,  $Hlo) = 
   ( "%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7", "%r8",
     "%r9","%r10","%r11","%r12","%r13","%r14","%r15","%r16");
$a0 ="%r17";
$a1 ="%r18";
$a2 ="%r19";
$a3 ="%r20";
$t0 ="%r21";
$t1 ="%r22";
$t2 ="%r28";
$t3 ="%r29";
$Tbl="%r31";

@X=("%r23","%r24","%r25","%r26");	# zaps $num,$inp,$ctx

sub ROUND_00_15_pa1 {
my ($i,$ahi,$alo,$bhi,$blo,$chi,$clo,$dhi,$dlo,
       $ehi,$elo,$fhi,$flo,$ghi,$glo,$hhi,$hlo,$flag)=@_;
my ($Xhi,$Xlo,$Xnhi,$Xnlo) = @X;

$code.=<<___ if (!$flag);
	ldw	`-$XOFF+8*(($i+1)%16)`(%sp),$Xnhi
	ldw	`-$XOFF+8*(($i+1)%16)+4`(%sp),$Xnlo	; load X[i+1]
___
$code.=<<___;
	shd	$ehi,$elo,$Sigma1[0],$t0
	 add	$Xlo,$hlo,$hlo
	shd	$elo,$ehi,$Sigma1[0],$t1
	 addc	$Xhi,$hhi,$hhi		; h += X[i]
	shd	$ehi,$elo,$Sigma1[1],$t2
	 ldwm	8($Tbl),$Xhi
	shd	$elo,$ehi,$Sigma1[1],$t3
	 ldw	-4($Tbl),$Xlo		; load K[i]
	xor	$t2,$t0,$t0
	xor	$t3,$t1,$t1
	 and	$flo,$elo,$a0
	 and	$fhi,$ehi,$a1
	shd	$ehi,$elo,$Sigma1[2],$t2
	 andcm	$glo,$elo,$a2
	shd	$elo,$ehi,$Sigma1[2],$t3
	 andcm	$ghi,$ehi,$a3
	xor	$t2,$t0,$t0
	xor	$t3,$t1,$t1		; Sigma1(e)
	add	$Xlo,$hlo,$hlo
	 xor	$a2,$a0,$a0
	addc	$Xhi,$hhi,$hhi		; h += K[i]
	 xor	$a3,$a1,$a1		; Ch(e,f,g)

	 add	$t0,$hlo,$hlo
	shd	$ahi,$alo,$Sigma0[0],$t0
	 addc	$t1,$hhi,$hhi		; h += Sigma1(e)
	shd	$alo,$ahi,$Sigma0[0],$t1	
	 add	$a0,$hlo,$hlo
	shd	$ahi,$alo,$Sigma0[1],$t2
	 addc	$a1,$hhi,$hhi		; h += Ch(e,f,g)
	shd	$alo,$ahi,$Sigma0[1],$t3

	xor	$t2,$t0,$t0
	xor	$t3,$t1,$t1
	shd	$ahi,$alo,$Sigma0[2],$t2
	and	$alo,$blo,$a0
	shd	$alo,$ahi,$Sigma0[2],$t3
	and	$ahi,$bhi,$a1
	xor	$t2,$t0,$t0
	xor	$t3,$t1,$t1		; Sigma0(a)

	and	$alo,$clo,$a2
	and	$ahi,$chi,$a3
	xor	$a2,$a0,$a0
	 add	$hlo,$dlo,$dlo
	xor	$a3,$a1,$a1
	 addc	$hhi,$dhi,$dhi		; d += h
	and	$blo,$clo,$a2
	 add	$t0,$hlo,$hlo
	and	$bhi,$chi,$a3
	 addc	$t1,$hhi,$hhi		; h += Sigma0(a)
	xor	$a2,$a0,$a0
	 add	$a0,$hlo,$hlo
	xor	$a3,$a1,$a1		; Maj(a,b,c)
	 addc	$a1,$hhi,$hhi		; h += Maj(a,b,c)

___
$code.=<<___ if ($i==15 && $flag);
	extru	$Xlo,31,10,$Xlo
	comiclr,= $LAST10BITS,$Xlo,%r0
	b	L\$rounds_pa1
	nop
___
push(@X,shift(@X)); push(@X,shift(@X));
}

sub ROUND_16_xx_pa1 {
my ($Xhi,$Xlo,$Xnhi,$Xnlo) = @X;
my ($i)=shift;
$i-=16;
$code.=<<___;
	ldw	`-$XOFF+8*(($i+1)%16)`(%sp),$Xnhi
	ldw	`-$XOFF+8*(($i+1)%16)+4`(%sp),$Xnlo	; load X[i+1]
	ldw	`-$XOFF+8*(($i+9)%16)`(%sp),$a1
	ldw	`-$XOFF+8*(($i+9)%16)+4`(%sp),$a0	; load X[i+9]
	ldw	`-$XOFF+8*(($i+14)%16)`(%sp),$a3
	ldw	`-$XOFF+8*(($i+14)%16)+4`(%sp),$a2	; load X[i+14]
	shd	$Xnhi,$Xnlo,$sigma0[0],$t0
	shd	$Xnlo,$Xnhi,$sigma0[0],$t1
	 add	$a0,$Xlo,$Xlo
	shd	$Xnhi,$Xnlo,$sigma0[1],$t2
	 addc	$a1,$Xhi,$Xhi
	shd	$Xnlo,$Xnhi,$sigma0[1],$t3
	xor	$t2,$t0,$t0
	shd	$Xnhi,$Xnlo,$sigma0[2],$t2
	xor	$t3,$t1,$t1
	extru	$Xnhi,`31-$sigma0[2]`,`32-$sigma0[2]`,$t3
	xor	$t2,$t0,$t0
	 shd	$a3,$a2,$sigma1[0],$a0
	xor	$t3,$t1,$t1		; sigma0(X[i+1)&0x0f])
	 shd	$a2,$a3,$sigma1[0],$a1
	add	$t0,$Xlo,$Xlo
	 shd	$a3,$a2,$sigma1[1],$t2
	addc	$t1,$Xhi,$Xhi
	 shd	$a2,$a3,$sigma1[1],$t3
	xor	$t2,$a0,$a0
	shd	$a3,$a2,$sigma1[2],$t2
	xor	$t3,$a1,$a1
	extru	$a3,`31-$sigma1[2]`,`32-$sigma1[2]`,$t3
	xor	$t2,$a0,$a0
	xor	$t3,$a1,$a1		; sigma0(X[i+14)&0x0f])
	add	$a0,$Xlo,$Xlo
	addc	$a1,$Xhi,$Xhi

	stw	$Xhi,`-$XOFF+8*($i%16)`(%sp)
	stw	$Xlo,`-$XOFF+8*($i%16)+4`(%sp)
___
&ROUND_00_15_pa1($i,@_,1);
}
$code.=<<___;
	ldw	`0*4`($ctx),$Ahi		; load context
	ldw	`1*4`($ctx),$Alo
	ldw	`2*4`($ctx),$Bhi
	ldw	`3*4`($ctx),$Blo
	ldw	`4*4`($ctx),$Chi
	ldw	`5*4`($ctx),$Clo
	ldw	`6*4`($ctx),$Dhi
	ldw	`7*4`($ctx),$Dlo
	ldw	`8*4`($ctx),$Ehi
	ldw	`9*4`($ctx),$Elo
	ldw	`10*4`($ctx),$Fhi
	ldw	`11*4`($ctx),$Flo
	ldw	`12*4`($ctx),$Ghi
	ldw	`13*4`($ctx),$Glo
	ldw	`14*4`($ctx),$Hhi
	ldw	`15*4`($ctx),$Hlo

	extru	$inp,31,2,$t0
	sh3addl	$t0,%r0,$t0
	subi	32,$t0,$t0
	mtctl	$t0,%cr11		; load %sar with align factor

L\$oop_pa1
	extru	$inp,31,2,$a3
	comib,=	0,$a3,L\$aligned_pa1
	sub	$inp,$a3,$inp

	ldw	`0*4`($inp),$X[0]
	ldw	`1*4`($inp),$X[1]
	ldw	`2*4`($inp),$t2
	ldw	`3*4`($inp),$t3
	ldw	`4*4`($inp),$a0
	ldw	`5*4`($inp),$a1
	ldw	`6*4`($inp),$a2
	ldw	`7*4`($inp),$a3
	vshd	$X[0],$X[1],$X[0]
	vshd	$X[1],$t2,$X[1]
	stw	$X[0],`-$XOFF+0*4`(%sp)
	ldw	`8*4`($inp),$t0
	vshd	$t2,$t3,$t2
	stw	$X[1],`-$XOFF+1*4`(%sp)
	ldw	`9*4`($inp),$t1
	vshd	$t3,$a0,$t3
___
{
my @t=($t2,$t3,$a0,$a1,$a2,$a3,$t0,$t1);
for ($i=2;$i<=(128/4-8);$i++) {
$code.=<<___;
	stw	$t[0],`-$XOFF+$i*4`(%sp)
	ldw	`(8+$i)*4`($inp),$t[0]
	vshd	$t[1],$t[2],$t[1]
___
push(@t,shift(@t));
}
for (;$i<(128/4-1);$i++) {
$code.=<<___;
	stw	$t[0],`-$XOFF+$i*4`(%sp)
	vshd	$t[1],$t[2],$t[1]
___
push(@t,shift(@t));
}
$code.=<<___;
	b	L\$collected_pa1
	stw	$t[0],`-$XOFF+$i*4`(%sp)

___
}
$code.=<<___;
L\$aligned_pa1
	ldw	`0*4`($inp),$X[0]
	ldw	`1*4`($inp),$X[1]
	ldw	`2*4`($inp),$t2
	ldw	`3*4`($inp),$t3
	ldw	`4*4`($inp),$a0
	ldw	`5*4`($inp),$a1
	ldw	`6*4`($inp),$a2
	ldw	`7*4`($inp),$a3
	stw	$X[0],`-$XOFF+0*4`(%sp)
	ldw	`8*4`($inp),$t0
	stw	$X[1],`-$XOFF+1*4`(%sp)
	ldw	`9*4`($inp),$t1
___
{
my @t=($t2,$t3,$a0,$a1,$a2,$a3,$t0,$t1);
for ($i=2;$i<(128/4-8);$i++) {
$code.=<<___;
	stw	$t[0],`-$XOFF+$i*4`(%sp)
	ldw	`(8+$i)*4`($inp),$t[0]
___
push(@t,shift(@t));
}
for (;$i<128/4;$i++) {
$code.=<<___;
	stw	$t[0],`-$XOFF+$i*4`(%sp)
___
push(@t,shift(@t));
}
$code.="L\$collected_pa1\n";
}

for($i=0;$i<16;$i++)	{ &ROUND_00_15_pa1($i,@V); unshift(@V,pop(@V)); unshift(@V,pop(@V)); }
$code.="L\$rounds_pa1\n";
for(;$i<32;$i++)	{ &ROUND_16_xx_pa1($i,@V); unshift(@V,pop(@V)); unshift(@V,pop(@V)); }

$code.=<<___;
	$POP	`-$FRAME_MARKER-2*$SIZE_T`(%sp),$ctx	; restore arguments
	$POP	`-$FRAME_MARKER-3*$SIZE_T`(%sp),$inp
	$POP	`-$FRAME_MARKER-4*$SIZE_T`(%sp),$num
	ldo	`-$rounds*$SZ`($Tbl),$Tbl		; rewind $Tbl

	ldw	`0*4`($ctx),$t1		; update context
	ldw	`1*4`($ctx),$t0
	ldw	`2*4`($ctx),$t3
	ldw	`3*4`($ctx),$t2
	ldw	`4*4`($ctx),$a1
	ldw	`5*4`($ctx),$a0
	ldw	`6*4`($ctx),$a3
	add	$t0,$Alo,$Alo
	ldw	`7*4`($ctx),$a2
	addc	$t1,$Ahi,$Ahi
	ldw	`8*4`($ctx),$t1
	add	$t2,$Blo,$Blo
	ldw	`9*4`($ctx),$t0
	addc	$t3,$Bhi,$Bhi
	ldw	`10*4`($ctx),$t3
	add	$a0,$Clo,$Clo
	ldw	`11*4`($ctx),$t2
	addc	$a1,$Chi,$Chi
	ldw	`12*4`($ctx),$a1
	add	$a2,$Dlo,$Dlo
	ldw	`13*4`($ctx),$a0
	addc	$a3,$Dhi,$Dhi
	ldw	`14*4`($ctx),$a3
	add	$t0,$Elo,$Elo
	ldw	`15*4`($ctx),$a2
	addc	$t1,$Ehi,$Ehi
	stw	$Ahi,`0*4`($ctx)
	add	$t2,$Flo,$Flo
	stw	$Alo,`1*4`($ctx)
	addc	$t3,$Fhi,$Fhi
	stw	$Bhi,`2*4`($ctx)
	add	$a0,$Glo,$Glo
	stw	$Blo,`3*4`($ctx)
	addc	$a1,$Ghi,$Ghi
	stw	$Chi,`4*4`($ctx)
	add	$a2,$Hlo,$Hlo
	stw	$Clo,`5*4`($ctx)
	addc	$a3,$Hhi,$Hhi
	stw	$Dhi,`6*4`($ctx)
	ldo	`16*$SZ`($inp),$inp	; advance $inp
	stw	$Dlo,`7*4`($ctx)
	stw	$Ehi,`8*4`($ctx)
	stw	$Elo,`9*4`($ctx)
	stw	$Fhi,`10*4`($ctx)
	stw	$Flo,`11*4`($ctx)
	stw	$Ghi,`12*4`($ctx)
	stw	$Glo,`13*4`($ctx)
	stw	$Hhi,`14*4`($ctx)
	comb,=	$inp,$num,L\$done
	stw	$Hlo,`15*4`($ctx)
	b	L\$oop_pa1
	$PUSH	$inp,`-$FRAME_MARKER-3*$SIZE_T`(%sp)	; save $inp
L\$done
___
}}
$code.=<<___;
	$POP	`-$FRAME-$SAVED_RP`(%sp),%r2		; standard epilogue
	$POP	`-$FRAME+1*$SIZE_T`(%sp),%r4
	$POP	`-$FRAME+2*$SIZE_T`(%sp),%r5
	$POP	`-$FRAME+3*$SIZE_T`(%sp),%r6
	$POP	`-$FRAME+4*$SIZE_T`(%sp),%r7
	$POP	`-$FRAME+5*$SIZE_T`(%sp),%r8
	$POP	`-$FRAME+6*$SIZE_T`(%sp),%r9
	$POP	`-$FRAME+7*$SIZE_T`(%sp),%r10
	$POP	`-$FRAME+8*$SIZE_T`(%sp),%r11
	$POP	`-$FRAME+9*$SIZE_T`(%sp),%r12
	$POP	`-$FRAME+10*$SIZE_T`(%sp),%r13
	$POP	`-$FRAME+11*$SIZE_T`(%sp),%r14
	$POP	`-$FRAME+12*$SIZE_T`(%sp),%r15
	$POP	`-$FRAME+13*$SIZE_T`(%sp),%r16
	$POP	`-$FRAME+14*$SIZE_T`(%sp),%r17
	$POP	`-$FRAME+15*$SIZE_T`(%sp),%r18
	bv	(%r2)
	.EXIT
	$POPMB	-$FRAME(%sp),%r3
	.PROCEND
	.STRINGZ "SHA`64*$SZ` block transform for PA-RISC, CRYPTOGAMS by <appro\@openssl.org>"
___

# Explicitly encode PA-RISC 2.0 instructions used in this module, so
# that it can be compiled with .LEVEL 1.0. It should be noted that I
# wouldn't have to do this, if GNU assembler understood .ALLOW 2.0
# directive...

my $ldd = sub {
  my ($mod,$args) = @_;
  my $orig = "ldd$mod\t$args";

    if ($args =~ /(\-?[0-9]+)\(%r([0-9]+)\),%r([0-9]+)/) # format 3 suffices
    {	my $opcode=(0x14<<26)|($2<<21)|($3<<16)|(($1&0x1FF8)<<1)|(($1>>13)&1);
	$opcode|=(1<<3) if ($mod =~ /^,m/);
	$opcode|=(1<<2) if ($mod =~ /^,mb/);
	sprintf "\t.WORD\t0x%08x\t; %s",$opcode,$orig;
    }
    else { "\t".$orig; }
};

my $std = sub {
  my ($mod,$args) = @_;
  my $orig = "std$mod\t$args";

    if ($args =~ /%r([0-9]+),(\-?[0-9]+)\(%r([0-9]+)\)/) # format 3 suffices
    {	my $opcode=(0x1c<<26)|($3<<21)|($1<<16)|(($2&0x1FF8)<<1)|(($2>>13)&1);
	sprintf "\t.WORD\t0x%08x\t; %s",$opcode,$orig;
    }
    else { "\t".$orig; }
};

my $extrd = sub {
  my ($mod,$args) = @_;
  my $orig = "extrd$mod\t$args";

    # I only have ",u" completer, it's implicitly encoded...
    if ($args =~ /%r([0-9]+),([0-9]+),([0-9]+),%r([0-9]+)/)	# format 15
    {	my $opcode=(0x36<<26)|($1<<21)|($4<<16);
	my $len=32-$3;
	$opcode |= (($2&0x20)<<6)|(($2&0x1f)<<5);		# encode pos
	$opcode |= (($len&0x20)<<7)|($len&0x1f);		# encode len
	sprintf "\t.WORD\t0x%08x\t; %s",$opcode,$orig;
    }
    elsif ($args =~ /%r([0-9]+),%sar,([0-9]+),%r([0-9]+)/)	# format 12
    {	my $opcode=(0x34<<26)|($1<<21)|($3<<16)|(2<<11)|(1<<9);
	my $len=32-$2;
	$opcode |= (($len&0x20)<<3)|($len&0x1f);		# encode len
	$opcode |= (1<<13) if ($mod =~ /,\**=/);
	sprintf "\t.WORD\t0x%08x\t; %s",$opcode,$orig;
    }
    else { "\t".$orig; }
};

my $shrpd = sub {
  my ($mod,$args) = @_;
  my $orig = "shrpd$mod\t$args";

    if ($args =~ /%r([0-9]+),%r([0-9]+),([0-9]+),%r([0-9]+)/)	# format 14
    {	my $opcode=(0x34<<26)|($2<<21)|($1<<16)|(1<<10)|$4;
	my $cpos=63-$3;
	$opcode |= (($cpos&0x20)<<6)|(($cpos&0x1f)<<5);		# encode sa
	sprintf "\t.WORD\t0x%08x\t; %s",$opcode,$orig;
    }
    elsif ($args =~ /%r([0-9]+),%r([0-9]+),%sar,%r([0-9]+)/)	# format 11
    {	sprintf "\t.WORD\t0x%08x\t; %s",
		(0x34<<26)|($2<<21)|($1<<16)|(1<<9)|$3,$orig;
    }
    else { "\t".$orig; }
};

sub assemble {
  my ($mnemonic,$mod,$args)=@_;
  my $opcode = eval("\$$mnemonic");

    ref($opcode) eq 'CODE' ? &$opcode($mod,$args) : "\t$mnemonic$mod\t$args";
}

foreach (split("\n",$code)) {
	s/\`([^\`]*)\`/eval $1/ge;

	s/shd\s+(%r[0-9]+),(%r[0-9]+),([0-9]+)/
		$3>31 ? sprintf("shd\t%$2,%$1,%d",$3-32)	# rotation for >=32
		:       sprintf("shd\t%$1,%$2,%d",$3)/e			or
	# translate made up instructons: _ror, _shr, _align, _shl
	s/_ror(\s+)(%r[0-9]+),/
		($SZ==4 ? "shd" : "shrpd")."$1$2,$2,"/e			or

	s/_shr(\s+%r[0-9]+),([0-9]+),/
		$SZ==4 ? sprintf("extru%s,%d,%d,",$1,31-$2,32-$2)
		:        sprintf("extrd,u%s,%d,%d,",$1,63-$2,64-$2)/e	or

	s/_align(\s+%r[0-9]+,%r[0-9]+),/
		($SZ==4 ? "vshd$1," : "shrpd$1,%sar,")/e		or

	s/_shl(\s+%r[0-9]+),([0-9]+),/
		$SIZE_T==4 ? sprintf("zdep%s,%d,%d,",$1,31-$2,32-$2)
		:            sprintf("depd,z%s,%d,%d,",$1,63-$2,64-$2)/e;

	s/^\s+([a-z]+)([\S]*)\s+([\S]*)/&assemble($1,$2,$3)/e if ($SIZE_T==4);

	s/cmpb,\*/comb,/ if ($SIZE_T==4);

	s/\bbv\b/bve/    if ($SIZE_T==8);

	print $_,"\n";
}

close STDOUT;