283 lines
7.0 KiB
Perl
283 lines
7.0 KiB
Perl
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#! /usr/bin/env perl
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# Copyright 2009-2020 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the Apache License 2.0 (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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# ====================================================================
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# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
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# project. The module is, however, dual licensed under OpenSSL and
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# CRYPTOGAMS licenses depending on where you obtain it. For further
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# details see http://www.openssl.org/~appro/cryptogams/.
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# ====================================================================
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# SHA1 block procedure for PA-RISC.
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# June 2009.
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#
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# On PA-7100LC performance is >30% better than gcc 3.2 generated code
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# for aligned input and >50% better for unaligned. Compared to vendor
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# compiler on PA-8600 it's almost 60% faster in 64-bit build and just
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# few percent faster in 32-bit one (this for aligned input, data for
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# unaligned input is not available).
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#
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# Special thanks to polarhome.com for providing HP-UX account.
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# $output is the last argument if it looks like a file (it has an extension)
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# $flavour is the first argument if it doesn't look like a file
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$output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef;
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$flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef;
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$output and open STDOUT,">$output";
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if ($flavour =~ /64/) {
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$LEVEL ="2.0W";
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$SIZE_T =8;
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$FRAME_MARKER =80;
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$SAVED_RP =16;
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$PUSH ="std";
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$PUSHMA ="std,ma";
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$POP ="ldd";
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$POPMB ="ldd,mb";
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} else {
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$LEVEL ="1.0";
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$SIZE_T =4;
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$FRAME_MARKER =48;
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$SAVED_RP =20;
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$PUSH ="stw";
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$PUSHMA ="stwm";
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$POP ="ldw";
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$POPMB ="ldwm";
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}
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$FRAME=14*$SIZE_T+$FRAME_MARKER;# 14 saved regs + frame marker
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# [+ argument transfer]
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$ctx="%r26"; # arg0
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$inp="%r25"; # arg1
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$num="%r24"; # arg2
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$t0="%r28";
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$t1="%r29";
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$K="%r31";
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@X=("%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7", "%r8",
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"%r9", "%r10","%r11","%r12","%r13","%r14","%r15","%r16",$t0);
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@V=($A,$B,$C,$D,$E)=("%r19","%r20","%r21","%r22","%r23");
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sub BODY_00_19 {
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my ($i,$a,$b,$c,$d,$e)=@_;
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my $j=$i+1;
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$code.=<<___ if ($i<15);
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addl $K,$e,$e ; $i
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shd $a,$a,27,$t1
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addl @X[$i],$e,$e
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and $c,$b,$t0
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addl $t1,$e,$e
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andcm $d,$b,$t1
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shd $b,$b,2,$b
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or $t1,$t0,$t0
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addl $t0,$e,$e
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___
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$code.=<<___ if ($i>=15); # with forward Xupdate
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addl $K,$e,$e ; $i
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shd $a,$a,27,$t1
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xor @X[($j+2)%16],@X[$j%16],@X[$j%16]
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addl @X[$i%16],$e,$e
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and $c,$b,$t0
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xor @X[($j+8)%16],@X[$j%16],@X[$j%16]
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addl $t1,$e,$e
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andcm $d,$b,$t1
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shd $b,$b,2,$b
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or $t1,$t0,$t0
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xor @X[($j+13)%16],@X[$j%16],@X[$j%16]
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add $t0,$e,$e
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shd @X[$j%16],@X[$j%16],31,@X[$j%16]
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___
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}
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sub BODY_20_39 {
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my ($i,$a,$b,$c,$d,$e)=@_;
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my $j=$i+1;
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$code.=<<___ if ($i<79);
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xor @X[($j+2)%16],@X[$j%16],@X[$j%16] ; $i
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addl $K,$e,$e
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shd $a,$a,27,$t1
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xor @X[($j+8)%16],@X[$j%16],@X[$j%16]
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addl @X[$i%16],$e,$e
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xor $b,$c,$t0
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xor @X[($j+13)%16],@X[$j%16],@X[$j%16]
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addl $t1,$e,$e
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shd $b,$b,2,$b
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xor $d,$t0,$t0
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shd @X[$j%16],@X[$j%16],31,@X[$j%16]
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addl $t0,$e,$e
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___
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$code.=<<___ if ($i==79); # with context load
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ldw 0($ctx),@X[0] ; $i
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addl $K,$e,$e
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shd $a,$a,27,$t1
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ldw 4($ctx),@X[1]
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addl @X[$i%16],$e,$e
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xor $b,$c,$t0
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ldw 8($ctx),@X[2]
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addl $t1,$e,$e
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shd $b,$b,2,$b
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xor $d,$t0,$t0
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ldw 12($ctx),@X[3]
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addl $t0,$e,$e
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ldw 16($ctx),@X[4]
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___
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}
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sub BODY_40_59 {
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my ($i,$a,$b,$c,$d,$e)=@_;
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my $j=$i+1;
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$code.=<<___;
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shd $a,$a,27,$t1 ; $i
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addl $K,$e,$e
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xor @X[($j+2)%16],@X[$j%16],@X[$j%16]
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xor $d,$c,$t0
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addl @X[$i%16],$e,$e
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xor @X[($j+8)%16],@X[$j%16],@X[$j%16]
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and $b,$t0,$t0
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addl $t1,$e,$e
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shd $b,$b,2,$b
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xor @X[($j+13)%16],@X[$j%16],@X[$j%16]
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addl $t0,$e,$e
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and $d,$c,$t1
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shd @X[$j%16],@X[$j%16],31,@X[$j%16]
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addl $t1,$e,$e
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___
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}
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$code=<<___;
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.LEVEL $LEVEL
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.SPACE \$TEXT\$
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.SUBSPA \$CODE\$,QUAD=0,ALIGN=8,ACCESS=0x2C,CODE_ONLY
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.EXPORT sha1_block_data_order,ENTRY,ARGW0=GR,ARGW1=GR,ARGW2=GR
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sha1_block_data_order
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.PROC
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.CALLINFO FRAME=`$FRAME-14*$SIZE_T`,NO_CALLS,SAVE_RP,ENTRY_GR=16
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.ENTRY
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$PUSH %r2,-$SAVED_RP(%sp) ; standard prologue
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$PUSHMA %r3,$FRAME(%sp)
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$PUSH %r4,`-$FRAME+1*$SIZE_T`(%sp)
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$PUSH %r5,`-$FRAME+2*$SIZE_T`(%sp)
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$PUSH %r6,`-$FRAME+3*$SIZE_T`(%sp)
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$PUSH %r7,`-$FRAME+4*$SIZE_T`(%sp)
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$PUSH %r8,`-$FRAME+5*$SIZE_T`(%sp)
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$PUSH %r9,`-$FRAME+6*$SIZE_T`(%sp)
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$PUSH %r10,`-$FRAME+7*$SIZE_T`(%sp)
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$PUSH %r11,`-$FRAME+8*$SIZE_T`(%sp)
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$PUSH %r12,`-$FRAME+9*$SIZE_T`(%sp)
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$PUSH %r13,`-$FRAME+10*$SIZE_T`(%sp)
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$PUSH %r14,`-$FRAME+11*$SIZE_T`(%sp)
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$PUSH %r15,`-$FRAME+12*$SIZE_T`(%sp)
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$PUSH %r16,`-$FRAME+13*$SIZE_T`(%sp)
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ldw 0($ctx),$A
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ldw 4($ctx),$B
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ldw 8($ctx),$C
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ldw 12($ctx),$D
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ldw 16($ctx),$E
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extru $inp,31,2,$t0 ; t0=inp&3;
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sh3addl $t0,%r0,$t0 ; t0*=8;
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subi 32,$t0,$t0 ; t0=32-t0;
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mtctl $t0,%cr11 ; %sar=t0;
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L\$oop
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ldi 3,$t0
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andcm $inp,$t0,$t0 ; 64-bit neutral
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___
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for ($i=0;$i<15;$i++) { # load input block
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$code.="\tldw `4*$i`($t0),@X[$i]\n"; }
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$code.=<<___;
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cmpb,*= $inp,$t0,L\$aligned
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ldw 60($t0),@X[15]
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ldw 64($t0),@X[16]
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___
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for ($i=0;$i<16;$i++) { # align input
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$code.="\tvshd @X[$i],@X[$i+1],@X[$i]\n"; }
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$code.=<<___;
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L\$aligned
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ldil L'0x5a827000,$K ; K_00_19
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ldo 0x999($K),$K
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___
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for ($i=0;$i<20;$i++) { &BODY_00_19($i,@V); unshift(@V,pop(@V)); }
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$code.=<<___;
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ldil L'0x6ed9e000,$K ; K_20_39
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ldo 0xba1($K),$K
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___
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for (;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
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$code.=<<___;
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ldil L'0x8f1bb000,$K ; K_40_59
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ldo 0xcdc($K),$K
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___
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for (;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); }
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$code.=<<___;
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ldil L'0xca62c000,$K ; K_60_79
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ldo 0x1d6($K),$K
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___
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for (;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
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$code.=<<___;
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addl @X[0],$A,$A
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addl @X[1],$B,$B
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addl @X[2],$C,$C
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addl @X[3],$D,$D
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addl @X[4],$E,$E
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stw $A,0($ctx)
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stw $B,4($ctx)
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stw $C,8($ctx)
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stw $D,12($ctx)
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stw $E,16($ctx)
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addib,*<> -1,$num,L\$oop
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ldo 64($inp),$inp
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$POP `-$FRAME-$SAVED_RP`(%sp),%r2 ; standard epilogue
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$POP `-$FRAME+1*$SIZE_T`(%sp),%r4
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$POP `-$FRAME+2*$SIZE_T`(%sp),%r5
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$POP `-$FRAME+3*$SIZE_T`(%sp),%r6
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$POP `-$FRAME+4*$SIZE_T`(%sp),%r7
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$POP `-$FRAME+5*$SIZE_T`(%sp),%r8
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$POP `-$FRAME+6*$SIZE_T`(%sp),%r9
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$POP `-$FRAME+7*$SIZE_T`(%sp),%r10
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$POP `-$FRAME+8*$SIZE_T`(%sp),%r11
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$POP `-$FRAME+9*$SIZE_T`(%sp),%r12
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$POP `-$FRAME+10*$SIZE_T`(%sp),%r13
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$POP `-$FRAME+11*$SIZE_T`(%sp),%r14
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$POP `-$FRAME+12*$SIZE_T`(%sp),%r15
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$POP `-$FRAME+13*$SIZE_T`(%sp),%r16
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bv (%r2)
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.EXIT
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$POPMB -$FRAME(%sp),%r3
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.PROCEND
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.STRINGZ "SHA1 block transform for PA-RISC, CRYPTOGAMS by <appro\@openssl.org>"
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___
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if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1`
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=~ /GNU assembler/) {
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$gnuas = 1;
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}
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foreach(split("\n",$code)) {
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s/\`([^\`]*)\`/eval $1/ge;
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s/(\.LEVEL\s+2\.0)W/$1w/ if ($gnuas && $SIZE_T==8);
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s/\.SPACE\s+\$TEXT\$/.text/ if ($gnuas && $SIZE_T==8);
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s/\.SUBSPA.*// if ($gnuas && $SIZE_T==8);
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s/,\*/,/ if ($SIZE_T==4);
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s/\bbv\b/bve/ if ($SIZE_T==8);
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print $_,"\n";
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}
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close STDOUT or die "error closing STDOUT: $!";
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