2016-05-21 20:23:39 +08:00
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#! /usr/bin/env perl
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# Copyright 2014-2016 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the OpenSSL license (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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2014-07-02 01:06:03 +08:00
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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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# SHA256/512 for PowerISA v2.07.
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#
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# Accurate performance measurements are problematic, because it's
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# always virtualized setup with possibly throttled processor.
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# Relative comparison is therefore more informative. This module is
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# ~60% faster than integer-only sha512-ppc.pl. To anchor to something
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2014-07-21 21:29:09 +08:00
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# else, SHA256 is 24% slower than sha1-ppc.pl and 2.5x slower than
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# hardware-assisted aes-128-cbc encrypt. SHA512 is 20% faster than
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2014-07-02 01:06:03 +08:00
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# sha1-ppc.pl and 1.6x slower than aes-128-cbc. Another interesting
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# result is degree of computational resources' utilization. POWER8 is
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# "massively multi-threaded chip" and difference between single- and
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# maximum multi-process benchmark results tells that utlization is
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# whooping 94%. For sha512-ppc.pl we get [not unimpressive] 84% and
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# for sha1-ppc.pl - 73%. 100% means that multi-process result equals
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# to single-process one, given that all threads end up on the same
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# physical core.
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$flavour=shift;
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$output =shift;
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if ($flavour =~ /64/) {
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$SIZE_T=8;
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$LRSAVE=2*$SIZE_T;
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$STU="stdu";
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$POP="ld";
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$PUSH="std";
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} elsif ($flavour =~ /32/) {
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$SIZE_T=4;
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$LRSAVE=$SIZE_T;
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$STU="stwu";
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$POP="lwz";
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$PUSH="stw";
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} else { die "nonsense $flavour"; }
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$LENDIAN=($flavour=~/le/);
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$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
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( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or
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( $xlate="${dir}../../perlasm/ppc-xlate.pl" and -f $xlate) or
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die "can't locate ppc-xlate.pl";
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open STDOUT,"| $^X $xlate $flavour $output" || die "can't call $xlate: $!";
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if ($output =~ /512/) {
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$bits=512;
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$SZ=8;
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$sz="d";
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$rounds=80;
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} else {
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$bits=256;
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$SZ=4;
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$sz="w";
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$rounds=64;
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}
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$func="sha${bits}_block_p8";
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$FRAME=8*$SIZE_T;
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$sp ="r1";
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$toc="r2";
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$ctx="r3";
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$inp="r4";
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$num="r5";
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$Tbl="r6";
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$idx="r7";
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$lrsave="r8";
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$offload="r11";
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$vrsave="r12";
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($x00,$x10,$x20,$x30,$x40,$x50,$x60,$x70)=map("r$_",(0,10,26..31));
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2015-01-22 19:13:57 +08:00
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$x00=0 if ($flavour =~ /osx/);
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2014-07-02 01:06:03 +08:00
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@V=($A,$B,$C,$D,$E,$F,$G,$H)=map("v$_",(0..7));
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@X=map("v$_",(8..23));
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($Ki,$Func,$S0,$S1,$s0,$s1,$lemask)=map("v$_",(24..31));
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sub ROUND {
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my ($i,$a,$b,$c,$d,$e,$f,$g,$h)=@_;
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my $j=($i+1)%16;
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$code.=<<___ if ($i<15 && ($i%(16/$SZ))==(16/$SZ-1));
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lvx_u @X[$i+1],0,$inp ; load X[i] in advance
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addi $inp,$inp,16
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___
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$code.=<<___ if ($i<16 && ($i%(16/$SZ)));
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vsldoi @X[$i],@X[$i-1],@X[$i-1],$SZ
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___
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$code.=<<___ if ($LENDIAN && $i<16 && ($i%(16/$SZ))==0);
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vperm @X[$i],@X[$i],@X[$i],$lemask
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___
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$code.=<<___;
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`"vshasigma${sz} $s0,@X[($j+1)%16],0,0" if ($i>=15)`
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vsel $Func,$g,$f,$e ; Ch(e,f,g)
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vshasigma${sz} $S1,$e,1,15 ; Sigma1(e)
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vaddu${sz}m $h,$h,@X[$i%16] ; h+=X[i]
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vshasigma${sz} $S0,$a,1,0 ; Sigma0(a)
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`"vshasigma${sz} $s1,@X[($j+14)%16],0,15" if ($i>=15)`
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vaddu${sz}m $h,$h,$Func ; h+=Ch(e,f,g)
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vxor $Func,$a,$b
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`"vaddu${sz}m @X[$j],@X[$j],@X[($j+9)%16]" if ($i>=15)`
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vaddu${sz}m $h,$h,$S1 ; h+=Sigma1(e)
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vsel $Func,$b,$c,$Func ; Maj(a,b,c)
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vaddu${sz}m $g,$g,$Ki ; future h+=K[i]
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vaddu${sz}m $d,$d,$h ; d+=h
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vaddu${sz}m $S0,$S0,$Func ; Sigma0(a)+Maj(a,b,c)
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`"vaddu${sz}m @X[$j],@X[$j],$s0" if ($i>=15)`
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lvx $Ki,$idx,$Tbl ; load next K[i]
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addi $idx,$idx,16
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vaddu${sz}m $h,$h,$S0 ; h+=Sigma0(a)+Maj(a,b,c)
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`"vaddu${sz}m @X[$j],@X[$j],$s1" if ($i>=15)`
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___
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}
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$code=<<___;
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.machine "any"
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.text
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.globl $func
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.align 6
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$func:
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$STU $sp,-`($FRAME+21*16+6*$SIZE_T)`($sp)
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mflr $lrsave
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li r10,`$FRAME+8*16+15`
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li r11,`$FRAME+8*16+31`
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stvx v20,r10,$sp # ABI says so
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addi r10,r10,32
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mfspr $vrsave,256
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stvx v21,r11,$sp
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addi r11,r11,32
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stvx v22,r10,$sp
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addi r10,r10,32
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stvx v23,r11,$sp
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addi r11,r11,32
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stvx v24,r10,$sp
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addi r10,r10,32
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stvx v25,r11,$sp
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addi r11,r11,32
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stvx v26,r10,$sp
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addi r10,r10,32
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stvx v27,r11,$sp
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addi r11,r11,32
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stvx v28,r10,$sp
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addi r10,r10,32
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stvx v29,r11,$sp
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addi r11,r11,32
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stvx v30,r10,$sp
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stvx v31,r11,$sp
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li r11,-1
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stw $vrsave,`$FRAME+21*16-4`($sp) # save vrsave
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li $x10,0x10
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$PUSH r26,`$FRAME+21*16+0*$SIZE_T`($sp)
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li $x20,0x20
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$PUSH r27,`$FRAME+21*16+1*$SIZE_T`($sp)
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li $x30,0x30
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$PUSH r28,`$FRAME+21*16+2*$SIZE_T`($sp)
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li $x40,0x40
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$PUSH r29,`$FRAME+21*16+3*$SIZE_T`($sp)
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li $x50,0x50
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$PUSH r30,`$FRAME+21*16+4*$SIZE_T`($sp)
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li $x60,0x60
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$PUSH r31,`$FRAME+21*16+5*$SIZE_T`($sp)
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li $x70,0x70
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$PUSH $lrsave,`$FRAME+21*16+6*$SIZE_T+$LRSAVE`($sp)
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mtspr 256,r11
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bl LPICmeup
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addi $offload,$sp,$FRAME+15
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___
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$code.=<<___ if ($LENDIAN);
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li $idx,8
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lvsl $lemask,0,$idx
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vspltisb $Ki,0x0f
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vxor $lemask,$lemask,$Ki
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___
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$code.=<<___ if ($SZ==4);
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lvx_4w $A,$x00,$ctx
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lvx_4w $E,$x10,$ctx
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vsldoi $B,$A,$A,4 # unpack
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vsldoi $C,$A,$A,8
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vsldoi $D,$A,$A,12
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vsldoi $F,$E,$E,4
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vsldoi $G,$E,$E,8
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vsldoi $H,$E,$E,12
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___
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$code.=<<___ if ($SZ==8);
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lvx_u $A,$x00,$ctx
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lvx_u $C,$x10,$ctx
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lvx_u $E,$x20,$ctx
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vsldoi $B,$A,$A,8 # unpack
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lvx_u $G,$x30,$ctx
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vsldoi $D,$C,$C,8
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vsldoi $F,$E,$E,8
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vsldoi $H,$G,$G,8
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___
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$code.=<<___;
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li r0,`($rounds-16)/16` # inner loop counter
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b Loop
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.align 5
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Loop:
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lvx $Ki,$x00,$Tbl
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li $idx,16
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lvx_u @X[0],0,$inp
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addi $inp,$inp,16
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stvx $A,$x00,$offload # offload $A-$H
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stvx $B,$x10,$offload
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stvx $C,$x20,$offload
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stvx $D,$x30,$offload
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stvx $E,$x40,$offload
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stvx $F,$x50,$offload
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stvx $G,$x60,$offload
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stvx $H,$x70,$offload
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vaddu${sz}m $H,$H,$Ki # h+K[i]
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lvx $Ki,$idx,$Tbl
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addi $idx,$idx,16
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___
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for ($i=0;$i<16;$i++) { &ROUND($i,@V); unshift(@V,pop(@V)); }
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$code.=<<___;
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mtctr r0
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b L16_xx
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.align 5
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L16_xx:
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___
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for (;$i<32;$i++) { &ROUND($i,@V); unshift(@V,pop(@V)); }
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$code.=<<___;
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bdnz L16_xx
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lvx @X[2],$x00,$offload
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subic. $num,$num,1
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lvx @X[3],$x10,$offload
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vaddu${sz}m $A,$A,@X[2]
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lvx @X[4],$x20,$offload
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vaddu${sz}m $B,$B,@X[3]
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lvx @X[5],$x30,$offload
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vaddu${sz}m $C,$C,@X[4]
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lvx @X[6],$x40,$offload
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vaddu${sz}m $D,$D,@X[5]
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lvx @X[7],$x50,$offload
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vaddu${sz}m $E,$E,@X[6]
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lvx @X[8],$x60,$offload
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vaddu${sz}m $F,$F,@X[7]
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lvx @X[9],$x70,$offload
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vaddu${sz}m $G,$G,@X[8]
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vaddu${sz}m $H,$H,@X[9]
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bne Loop
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___
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$code.=<<___ if ($SZ==4);
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lvx @X[0],$idx,$Tbl
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addi $idx,$idx,16
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vperm $A,$A,$B,$Ki # pack the answer
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lvx @X[1],$idx,$Tbl
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vperm $E,$E,$F,$Ki
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vperm $A,$A,$C,@X[0]
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vperm $E,$E,$G,@X[0]
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vperm $A,$A,$D,@X[1]
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vperm $E,$E,$H,@X[1]
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stvx_4w $A,$x00,$ctx
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stvx_4w $E,$x10,$ctx
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___
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$code.=<<___ if ($SZ==8);
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vperm $A,$A,$B,$Ki # pack the answer
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vperm $C,$C,$D,$Ki
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vperm $E,$E,$F,$Ki
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vperm $G,$G,$H,$Ki
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stvx_u $A,$x00,$ctx
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stvx_u $C,$x10,$ctx
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stvx_u $E,$x20,$ctx
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stvx_u $G,$x30,$ctx
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___
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$code.=<<___;
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li r10,`$FRAME+8*16+15`
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mtlr $lrsave
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li r11,`$FRAME+8*16+31`
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mtspr 256,$vrsave
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lvx v20,r10,$sp # ABI says so
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addi r10,r10,32
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lvx v21,r11,$sp
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addi r11,r11,32
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lvx v22,r10,$sp
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addi r10,r10,32
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lvx v23,r11,$sp
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addi r11,r11,32
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lvx v24,r10,$sp
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addi r10,r10,32
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lvx v25,r11,$sp
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addi r11,r11,32
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lvx v26,r10,$sp
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addi r10,r10,32
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lvx v27,r11,$sp
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addi r11,r11,32
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lvx v28,r10,$sp
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addi r10,r10,32
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lvx v29,r11,$sp
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addi r11,r11,32
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lvx v30,r10,$sp
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lvx v31,r11,$sp
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$POP r26,`$FRAME+21*16+0*$SIZE_T`($sp)
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$POP r27,`$FRAME+21*16+1*$SIZE_T`($sp)
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$POP r28,`$FRAME+21*16+2*$SIZE_T`($sp)
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$POP r29,`$FRAME+21*16+3*$SIZE_T`($sp)
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$POP r30,`$FRAME+21*16+4*$SIZE_T`($sp)
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$POP r31,`$FRAME+21*16+5*$SIZE_T`($sp)
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addi $sp,$sp,`$FRAME+21*16+6*$SIZE_T`
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blr
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.long 0
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.byte 0,12,4,1,0x80,6,3,0
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.long 0
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|
|
.size $func,.-$func
|
|
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|
___
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# Ugly hack here, because PPC assembler syntax seem to vary too
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|
# much from platforms to platform...
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|
$code.=<<___;
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|
|
.align 6
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LPICmeup:
|
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|
|
mflr r0
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|
|
bcl 20,31,\$+4
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|
mflr $Tbl ; vvvvvv "distance" between . and 1st data entry
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|
|
addi $Tbl,$Tbl,`64-8`
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|
|
|
mtlr r0
|
|
|
|
blr
|
|
|
|
.long 0
|
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|
|
.byte 0,12,0x14,0,0,0,0,0
|
|
|
|
.space `64-9*4`
|
|
|
|
___
|
|
|
|
|
|
|
|
if ($SZ==8) {
|
|
|
|
local *table = sub {
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|
|
foreach(@_) { $code.=".quad $_,$_\n"; }
|
|
|
|
};
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|
|
|
table(
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|
|
"0x428a2f98d728ae22","0x7137449123ef65cd",
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|
|
"0xb5c0fbcfec4d3b2f","0xe9b5dba58189dbbc",
|
|
|
|
"0x3956c25bf348b538","0x59f111f1b605d019",
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|
|
|
"0x923f82a4af194f9b","0xab1c5ed5da6d8118",
|
|
|
|
"0xd807aa98a3030242","0x12835b0145706fbe",
|
|
|
|
"0x243185be4ee4b28c","0x550c7dc3d5ffb4e2",
|
|
|
|
"0x72be5d74f27b896f","0x80deb1fe3b1696b1",
|
|
|
|
"0x9bdc06a725c71235","0xc19bf174cf692694",
|
|
|
|
"0xe49b69c19ef14ad2","0xefbe4786384f25e3",
|
|
|
|
"0x0fc19dc68b8cd5b5","0x240ca1cc77ac9c65",
|
|
|
|
"0x2de92c6f592b0275","0x4a7484aa6ea6e483",
|
|
|
|
"0x5cb0a9dcbd41fbd4","0x76f988da831153b5",
|
|
|
|
"0x983e5152ee66dfab","0xa831c66d2db43210",
|
|
|
|
"0xb00327c898fb213f","0xbf597fc7beef0ee4",
|
|
|
|
"0xc6e00bf33da88fc2","0xd5a79147930aa725",
|
|
|
|
"0x06ca6351e003826f","0x142929670a0e6e70",
|
|
|
|
"0x27b70a8546d22ffc","0x2e1b21385c26c926",
|
|
|
|
"0x4d2c6dfc5ac42aed","0x53380d139d95b3df",
|
|
|
|
"0x650a73548baf63de","0x766a0abb3c77b2a8",
|
|
|
|
"0x81c2c92e47edaee6","0x92722c851482353b",
|
|
|
|
"0xa2bfe8a14cf10364","0xa81a664bbc423001",
|
|
|
|
"0xc24b8b70d0f89791","0xc76c51a30654be30",
|
|
|
|
"0xd192e819d6ef5218","0xd69906245565a910",
|
|
|
|
"0xf40e35855771202a","0x106aa07032bbd1b8",
|
|
|
|
"0x19a4c116b8d2d0c8","0x1e376c085141ab53",
|
|
|
|
"0x2748774cdf8eeb99","0x34b0bcb5e19b48a8",
|
|
|
|
"0x391c0cb3c5c95a63","0x4ed8aa4ae3418acb",
|
|
|
|
"0x5b9cca4f7763e373","0x682e6ff3d6b2b8a3",
|
|
|
|
"0x748f82ee5defb2fc","0x78a5636f43172f60",
|
|
|
|
"0x84c87814a1f0ab72","0x8cc702081a6439ec",
|
|
|
|
"0x90befffa23631e28","0xa4506cebde82bde9",
|
|
|
|
"0xbef9a3f7b2c67915","0xc67178f2e372532b",
|
|
|
|
"0xca273eceea26619c","0xd186b8c721c0c207",
|
|
|
|
"0xeada7dd6cde0eb1e","0xf57d4f7fee6ed178",
|
|
|
|
"0x06f067aa72176fba","0x0a637dc5a2c898a6",
|
|
|
|
"0x113f9804bef90dae","0x1b710b35131c471b",
|
|
|
|
"0x28db77f523047d84","0x32caab7b40c72493",
|
|
|
|
"0x3c9ebe0a15c9bebc","0x431d67c49c100d4c",
|
|
|
|
"0x4cc5d4becb3e42b6","0x597f299cfc657e2a",
|
|
|
|
"0x5fcb6fab3ad6faec","0x6c44198c4a475817","0");
|
|
|
|
$code.=<<___ if (!$LENDIAN);
|
|
|
|
.quad 0x0001020304050607,0x1011121314151617
|
|
|
|
___
|
|
|
|
$code.=<<___ if ($LENDIAN); # quad-swapped
|
|
|
|
.quad 0x1011121314151617,0x0001020304050607
|
|
|
|
___
|
|
|
|
} else {
|
|
|
|
local *table = sub {
|
|
|
|
foreach(@_) { $code.=".long $_,$_,$_,$_\n"; }
|
|
|
|
};
|
|
|
|
table(
|
|
|
|
"0x428a2f98","0x71374491","0xb5c0fbcf","0xe9b5dba5",
|
|
|
|
"0x3956c25b","0x59f111f1","0x923f82a4","0xab1c5ed5",
|
|
|
|
"0xd807aa98","0x12835b01","0x243185be","0x550c7dc3",
|
|
|
|
"0x72be5d74","0x80deb1fe","0x9bdc06a7","0xc19bf174",
|
|
|
|
"0xe49b69c1","0xefbe4786","0x0fc19dc6","0x240ca1cc",
|
|
|
|
"0x2de92c6f","0x4a7484aa","0x5cb0a9dc","0x76f988da",
|
|
|
|
"0x983e5152","0xa831c66d","0xb00327c8","0xbf597fc7",
|
|
|
|
"0xc6e00bf3","0xd5a79147","0x06ca6351","0x14292967",
|
|
|
|
"0x27b70a85","0x2e1b2138","0x4d2c6dfc","0x53380d13",
|
|
|
|
"0x650a7354","0x766a0abb","0x81c2c92e","0x92722c85",
|
|
|
|
"0xa2bfe8a1","0xa81a664b","0xc24b8b70","0xc76c51a3",
|
|
|
|
"0xd192e819","0xd6990624","0xf40e3585","0x106aa070",
|
|
|
|
"0x19a4c116","0x1e376c08","0x2748774c","0x34b0bcb5",
|
|
|
|
"0x391c0cb3","0x4ed8aa4a","0x5b9cca4f","0x682e6ff3",
|
|
|
|
"0x748f82ee","0x78a5636f","0x84c87814","0x8cc70208",
|
|
|
|
"0x90befffa","0xa4506ceb","0xbef9a3f7","0xc67178f2","0");
|
|
|
|
$code.=<<___ if (!$LENDIAN);
|
|
|
|
.long 0x00010203,0x10111213,0x10111213,0x10111213
|
|
|
|
.long 0x00010203,0x04050607,0x10111213,0x10111213
|
|
|
|
.long 0x00010203,0x04050607,0x08090a0b,0x10111213
|
|
|
|
___
|
|
|
|
$code.=<<___ if ($LENDIAN); # word-swapped
|
|
|
|
.long 0x10111213,0x10111213,0x10111213,0x00010203
|
|
|
|
.long 0x10111213,0x10111213,0x04050607,0x00010203
|
|
|
|
.long 0x10111213,0x08090a0b,0x04050607,0x00010203
|
|
|
|
___
|
|
|
|
}
|
|
|
|
$code.=<<___;
|
|
|
|
.asciz "SHA${bits} for PowerISA 2.07, CRYPTOGAMS by <appro\@openssl.org>"
|
|
|
|
.align 2
|
|
|
|
___
|
|
|
|
|
|
|
|
$code =~ s/\`([^\`]*)\`/eval $1/gem;
|
|
|
|
print $code;
|
|
|
|
close STDOUT;
|