diff options
Diffstat (limited to 'openssl/crypto/sha/asm/sha512p8-ppc.pl')
| -rwxr-xr-x | openssl/crypto/sha/asm/sha512p8-ppc.pl | 424 |
1 files changed, 424 insertions, 0 deletions
diff --git a/openssl/crypto/sha/asm/sha512p8-ppc.pl b/openssl/crypto/sha/asm/sha512p8-ppc.pl new file mode 100755 index 000000000..47189502c --- /dev/null +++ b/openssl/crypto/sha/asm/sha512p8-ppc.pl @@ -0,0 +1,424 @@ +#!/usr/bin/env perl + +# ==================================================================== +# 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/. +# ==================================================================== + +# SHA256/512 for PowerISA v2.07. +# +# Accurate performance measurements are problematic, because it's +# always virtualized setup with possibly throttled processor. +# Relative comparison is therefore more informative. This module is +# ~60% faster than integer-only sha512-ppc.pl. To anchor to something +# else, SHA256 is 24% slower than sha1-ppc.pl and 2.5x slower than +# hardware-assisted aes-128-cbc encrypt. SHA512 is 20% faster than +# sha1-ppc.pl and 1.6x slower than aes-128-cbc. Another interesting +# result is degree of computational resources' utilization. POWER8 is +# "massively multi-threaded chip" and difference between single- and +# maximum multi-process benchmark results tells that utlization is +# whooping 94%. For sha512-ppc.pl we get [not unimpressive] 84% and +# for sha1-ppc.pl - 73%. 100% means that multi-process result equals +# to single-process one, given that all threads end up on the same +# physical core. + +$flavour=shift; +$output =shift; + +if ($flavour =~ /64/) { + $SIZE_T=8; + $LRSAVE=2*$SIZE_T; + $STU="stdu"; + $POP="ld"; + $PUSH="std"; +} elsif ($flavour =~ /32/) { + $SIZE_T=4; + $LRSAVE=$SIZE_T; + $STU="stwu"; + $POP="lwz"; + $PUSH="stw"; +} else { die "nonsense $flavour"; } + +$LENDIAN=($flavour=~/le/); + +$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; +( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or +( $xlate="${dir}../../perlasm/ppc-xlate.pl" and -f $xlate) or +die "can't locate ppc-xlate.pl"; + +open STDOUT,"| $^X $xlate $flavour $output" || die "can't call $xlate: $!"; + +if ($output =~ /512/) { + $bits=512; + $SZ=8; + $sz="d"; + $rounds=80; +} else { + $bits=256; + $SZ=4; + $sz="w"; + $rounds=64; +} + +$func="sha${bits}_block_p8"; +$FRAME=8*$SIZE_T; + +$sp ="r1"; +$toc="r2"; +$ctx="r3"; +$inp="r4"; +$num="r5"; +$Tbl="r6"; +$idx="r7"; +$lrsave="r8"; +$offload="r11"; +$vrsave="r12"; +($x00,$x10,$x20,$x30,$x40,$x50,$x60,$x70)=map("r$_",(0,10,26..31)); + $x00=0 if ($flavour =~ /osx/); + +@V=($A,$B,$C,$D,$E,$F,$G,$H)=map("v$_",(0..7)); +@X=map("v$_",(8..23)); +($Ki,$Func,$S0,$S1,$s0,$s1,$lemask)=map("v$_",(24..31)); + +sub ROUND { +my ($i,$a,$b,$c,$d,$e,$f,$g,$h)=@_; +my $j=($i+1)%16; + +$code.=<<___ if ($i<15 && ($i%(16/$SZ))==(16/$SZ-1)); + lvx_u @X[$i+1],0,$inp ; load X[i] in advance + addi $inp,$inp,16 +___ +$code.=<<___ if ($i<16 && ($i%(16/$SZ))); + vsldoi @X[$i],@X[$i-1],@X[$i-1],$SZ +___ +$code.=<<___ if ($LENDIAN && $i<16 && ($i%(16/$SZ))==0); + vperm @X[$i],@X[$i],@X[$i],$lemask +___ +$code.=<<___; + `"vshasigma${sz} $s0,@X[($j+1)%16],0,0" if ($i>=15)` + vsel $Func,$g,$f,$e ; Ch(e,f,g) + vshasigma${sz} $S1,$e,1,15 ; Sigma1(e) + vaddu${sz}m $h,$h,@X[$i%16] ; h+=X[i] + vshasigma${sz} $S0,$a,1,0 ; Sigma0(a) + `"vshasigma${sz} $s1,@X[($j+14)%16],0,15" if ($i>=15)` + vaddu${sz}m $h,$h,$Func ; h+=Ch(e,f,g) + vxor $Func,$a,$b + `"vaddu${sz}m @X[$j],@X[$j],@X[($j+9)%16]" if ($i>=15)` + vaddu${sz}m $h,$h,$S1 ; h+=Sigma1(e) + vsel $Func,$b,$c,$Func ; Maj(a,b,c) + vaddu${sz}m $g,$g,$Ki ; future h+=K[i] + vaddu${sz}m $d,$d,$h ; d+=h + vaddu${sz}m $S0,$S0,$Func ; Sigma0(a)+Maj(a,b,c) + `"vaddu${sz}m @X[$j],@X[$j],$s0" if ($i>=15)` + lvx $Ki,$idx,$Tbl ; load next K[i] + addi $idx,$idx,16 + vaddu${sz}m $h,$h,$S0 ; h+=Sigma0(a)+Maj(a,b,c) + `"vaddu${sz}m @X[$j],@X[$j],$s1" if ($i>=15)` +___ +} + +$code=<<___; +.machine "any" +.text + +.globl $func +.align 6 +$func: + $STU $sp,-`($FRAME+21*16+6*$SIZE_T)`($sp) + mflr $lrsave + li r10,`$FRAME+8*16+15` + li r11,`$FRAME+8*16+31` + stvx v20,r10,$sp # ABI says so + addi r10,r10,32 + mfspr $vrsave,256 + stvx v21,r11,$sp + addi r11,r11,32 + stvx v22,r10,$sp + addi r10,r10,32 + stvx v23,r11,$sp + addi r11,r11,32 + stvx v24,r10,$sp + addi r10,r10,32 + stvx v25,r11,$sp + addi r11,r11,32 + stvx v26,r10,$sp + addi r10,r10,32 + stvx v27,r11,$sp + addi r11,r11,32 + stvx v28,r10,$sp + addi r10,r10,32 + stvx v29,r11,$sp + addi r11,r11,32 + stvx v30,r10,$sp + stvx v31,r11,$sp + li r11,-1 + stw $vrsave,`$FRAME+21*16-4`($sp) # save vrsave + li $x10,0x10 + $PUSH r26,`$FRAME+21*16+0*$SIZE_T`($sp) + li $x20,0x20 + $PUSH r27,`$FRAME+21*16+1*$SIZE_T`($sp) + li $x30,0x30 + $PUSH r28,`$FRAME+21*16+2*$SIZE_T`($sp) + li $x40,0x40 + $PUSH r29,`$FRAME+21*16+3*$SIZE_T`($sp) + li $x50,0x50 + $PUSH r30,`$FRAME+21*16+4*$SIZE_T`($sp) + li $x60,0x60 + $PUSH r31,`$FRAME+21*16+5*$SIZE_T`($sp) + li $x70,0x70 + $PUSH $lrsave,`$FRAME+21*16+6*$SIZE_T+$LRSAVE`($sp) + mtspr 256,r11 + + bl LPICmeup + addi $offload,$sp,$FRAME+15 +___ +$code.=<<___ if ($LENDIAN); + li $idx,8 + lvsl $lemask,0,$idx + vspltisb $Ki,0x0f + vxor $lemask,$lemask,$Ki +___ +$code.=<<___ if ($SZ==4); + lvx_4w $A,$x00,$ctx + lvx_4w $E,$x10,$ctx + vsldoi $B,$A,$A,4 # unpack + vsldoi $C,$A,$A,8 + vsldoi $D,$A,$A,12 + vsldoi $F,$E,$E,4 + vsldoi $G,$E,$E,8 + vsldoi $H,$E,$E,12 +___ +$code.=<<___ if ($SZ==8); + lvx_u $A,$x00,$ctx + lvx_u $C,$x10,$ctx + lvx_u $E,$x20,$ctx + vsldoi $B,$A,$A,8 # unpack + lvx_u $G,$x30,$ctx + vsldoi $D,$C,$C,8 + vsldoi $F,$E,$E,8 + vsldoi $H,$G,$G,8 +___ +$code.=<<___; + li r0,`($rounds-16)/16` # inner loop counter + b Loop +.align 5 +Loop: + lvx $Ki,$x00,$Tbl + li $idx,16 + lvx_u @X[0],0,$inp + addi $inp,$inp,16 + stvx $A,$x00,$offload # offload $A-$H + stvx $B,$x10,$offload + stvx $C,$x20,$offload + stvx $D,$x30,$offload + stvx $E,$x40,$offload + stvx $F,$x50,$offload + stvx $G,$x60,$offload + stvx $H,$x70,$offload + vaddu${sz}m $H,$H,$Ki # h+K[i] + lvx $Ki,$idx,$Tbl + addi $idx,$idx,16 +___ +for ($i=0;$i<16;$i++) { &ROUND($i,@V); unshift(@V,pop(@V)); } +$code.=<<___; + mtctr r0 + b L16_xx +.align 5 +L16_xx: +___ +for (;$i<32;$i++) { &ROUND($i,@V); unshift(@V,pop(@V)); } +$code.=<<___; + bdnz L16_xx + + lvx @X[2],$x00,$offload + subic. $num,$num,1 + lvx @X[3],$x10,$offload + vaddu${sz}m $A,$A,@X[2] + lvx @X[4],$x20,$offload + vaddu${sz}m $B,$B,@X[3] + lvx @X[5],$x30,$offload + vaddu${sz}m $C,$C,@X[4] + lvx @X[6],$x40,$offload + vaddu${sz}m $D,$D,@X[5] + lvx @X[7],$x50,$offload + vaddu${sz}m $E,$E,@X[6] + lvx @X[8],$x60,$offload + vaddu${sz}m $F,$F,@X[7] + lvx @X[9],$x70,$offload + vaddu${sz}m $G,$G,@X[8] + vaddu${sz}m $H,$H,@X[9] + bne Loop +___ +$code.=<<___ if ($SZ==4); + lvx @X[0],$idx,$Tbl + addi $idx,$idx,16 + vperm $A,$A,$B,$Ki # pack the answer + lvx @X[1],$idx,$Tbl + vperm $E,$E,$F,$Ki + vperm $A,$A,$C,@X[0] + vperm $E,$E,$G,@X[0] + vperm $A,$A,$D,@X[1] + vperm $E,$E,$H,@X[1] + stvx_4w $A,$x00,$ctx + stvx_4w $E,$x10,$ctx +___ +$code.=<<___ if ($SZ==8); + vperm $A,$A,$B,$Ki # pack the answer + vperm $C,$C,$D,$Ki + vperm $E,$E,$F,$Ki + vperm $G,$G,$H,$Ki + stvx_u $A,$x00,$ctx + stvx_u $C,$x10,$ctx + stvx_u $E,$x20,$ctx + stvx_u $G,$x30,$ctx +___ +$code.=<<___; + li r10,`$FRAME+8*16+15` + mtlr $lrsave + li r11,`$FRAME+8*16+31` + mtspr 256,$vrsave + lvx v20,r10,$sp # ABI says so + addi r10,r10,32 + lvx v21,r11,$sp + addi r11,r11,32 + lvx v22,r10,$sp + addi r10,r10,32 + lvx v23,r11,$sp + addi r11,r11,32 + lvx v24,r10,$sp + addi r10,r10,32 + lvx v25,r11,$sp + addi r11,r11,32 + lvx v26,r10,$sp + addi r10,r10,32 + lvx v27,r11,$sp + addi r11,r11,32 + lvx v28,r10,$sp + addi r10,r10,32 + lvx v29,r11,$sp + addi r11,r11,32 + lvx v30,r10,$sp + lvx v31,r11,$sp + $POP r26,`$FRAME+21*16+0*$SIZE_T`($sp) + $POP r27,`$FRAME+21*16+1*$SIZE_T`($sp) + $POP r28,`$FRAME+21*16+2*$SIZE_T`($sp) + $POP r29,`$FRAME+21*16+3*$SIZE_T`($sp) + $POP r30,`$FRAME+21*16+4*$SIZE_T`($sp) + $POP r31,`$FRAME+21*16+5*$SIZE_T`($sp) + addi $sp,$sp,`$FRAME+21*16+6*$SIZE_T` + blr + .long 0 + .byte 0,12,4,1,0x80,6,3,0 + .long 0 +.size $func,.-$func +___ + +# Ugly hack here, because PPC assembler syntax seem to vary too +# much from platforms to platform... +$code.=<<___; +.align 6 +LPICmeup: + mflr r0 + bcl 20,31,\$+4 + mflr $Tbl ; vvvvvv "distance" between . and 1st data entry + addi $Tbl,$Tbl,`64-8` + mtlr r0 + blr + .long 0 + .byte 0,12,0x14,0,0,0,0,0 + .space `64-9*4` +___ + +if ($SZ==8) { + local *table = sub { + foreach(@_) { $code.=".quad $_,$_\n"; } + }; + table( + "0x428a2f98d728ae22","0x7137449123ef65cd", + "0xb5c0fbcfec4d3b2f","0xe9b5dba58189dbbc", + "0x3956c25bf348b538","0x59f111f1b605d019", + "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; |