diff options
Diffstat (limited to 'drivers/builtin_openssl2/crypto/sha/asm/sha1-sparcv9.pl')
| -rw-r--r-- | drivers/builtin_openssl2/crypto/sha/asm/sha1-sparcv9.pl | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/drivers/builtin_openssl2/crypto/sha/asm/sha1-sparcv9.pl b/drivers/builtin_openssl2/crypto/sha/asm/sha1-sparcv9.pl new file mode 100644 index 0000000000..5c161cecd6 --- /dev/null +++ b/drivers/builtin_openssl2/crypto/sha/asm/sha1-sparcv9.pl @@ -0,0 +1,284 @@ +#!/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/. +# ==================================================================== + +# Performance improvement is not really impressive on pre-T1 CPU: +8% +# over Sun C and +25% over gcc [3.3]. While on T1, a.k.a. Niagara, it +# turned to be 40% faster than 64-bit code generated by Sun C 5.8 and +# >2x than 64-bit code generated by gcc 3.4. And there is a gimmick. +# X[16] vector is packed to 8 64-bit registers and as result nothing +# is spilled on stack. In addition input data is loaded in compact +# instruction sequence, thus minimizing the window when the code is +# subject to [inter-thread] cache-thrashing hazard. The goal is to +# ensure scalability on UltraSPARC T1, or rather to avoid decay when +# amount of active threads exceeds the number of physical cores. + +$bits=32; +for (@ARGV) { $bits=64 if (/\-m64/ || /\-xarch\=v9/); } +if ($bits==64) { $bias=2047; $frame=192; } +else { $bias=0; $frame=112; } + +$output=shift; +open STDOUT,">$output"; + +@X=("%o0","%o1","%o2","%o3","%o4","%o5","%g1","%o7"); +$rot1m="%g2"; +$tmp64="%g3"; +$Xi="%g4"; +$A="%l0"; +$B="%l1"; +$C="%l2"; +$D="%l3"; +$E="%l4"; +@V=($A,$B,$C,$D,$E); +$K_00_19="%l5"; +$K_20_39="%l6"; +$K_40_59="%l7"; +$K_60_79="%g5"; +@K=($K_00_19,$K_20_39,$K_40_59,$K_60_79); + +$ctx="%i0"; +$inp="%i1"; +$len="%i2"; +$tmp0="%i3"; +$tmp1="%i4"; +$tmp2="%i5"; + +sub BODY_00_15 { +my ($i,$a,$b,$c,$d,$e)=@_; +my $xi=($i&1)?@X[($i/2)%8]:$Xi; + +$code.=<<___; + sll $a,5,$tmp0 !! $i + add @K[$i/20],$e,$e + srl $a,27,$tmp1 + add $tmp0,$e,$e + and $c,$b,$tmp0 + add $tmp1,$e,$e + sll $b,30,$tmp2 + andn $d,$b,$tmp1 + srl $b,2,$b + or $tmp1,$tmp0,$tmp1 + or $tmp2,$b,$b + add $xi,$e,$e +___ +if ($i&1 && $i<15) { + $code.= + " srlx @X[(($i+1)/2)%8],32,$Xi\n"; +} +$code.=<<___; + add $tmp1,$e,$e +___ +} + +sub Xupdate { +my ($i,$a,$b,$c,$d,$e)=@_; +my $j=$i/2; + +if ($i&1) { +$code.=<<___; + sll $a,5,$tmp0 !! $i + add @K[$i/20],$e,$e + srl $a,27,$tmp1 +___ +} else { +$code.=<<___; + sllx @X[($j+6)%8],32,$Xi ! Xupdate($i) + xor @X[($j+1)%8],@X[$j%8],@X[$j%8] + srlx @X[($j+7)%8],32,$tmp1 + xor @X[($j+4)%8],@X[$j%8],@X[$j%8] + sll $a,5,$tmp0 !! $i + or $tmp1,$Xi,$Xi + add @K[$i/20],$e,$e !! + xor $Xi,@X[$j%8],@X[$j%8] + srlx @X[$j%8],31,$Xi + add @X[$j%8],@X[$j%8],@X[$j%8] + and $Xi,$rot1m,$Xi + andn @X[$j%8],$rot1m,@X[$j%8] + srl $a,27,$tmp1 !! + or $Xi,@X[$j%8],@X[$j%8] +___ +} +} + +sub BODY_16_19 { +my ($i,$a,$b,$c,$d,$e)=@_; + + &Xupdate(@_); + if ($i&1) { + $xi=@X[($i/2)%8]; + } else { + $xi=$Xi; + $code.="\tsrlx @X[($i/2)%8],32,$xi\n"; + } +$code.=<<___; + add $tmp0,$e,$e !! + and $c,$b,$tmp0 + add $tmp1,$e,$e + sll $b,30,$tmp2 + add $xi,$e,$e + andn $d,$b,$tmp1 + srl $b,2,$b + or $tmp1,$tmp0,$tmp1 + or $tmp2,$b,$b + add $tmp1,$e,$e +___ +} + +sub BODY_20_39 { +my ($i,$a,$b,$c,$d,$e)=@_; +my $xi; + &Xupdate(@_); + if ($i&1) { + $xi=@X[($i/2)%8]; + } else { + $xi=$Xi; + $code.="\tsrlx @X[($i/2)%8],32,$xi\n"; + } +$code.=<<___; + add $tmp0,$e,$e !! + xor $c,$b,$tmp0 + add $tmp1,$e,$e + sll $b,30,$tmp2 + xor $d,$tmp0,$tmp1 + srl $b,2,$b + add $tmp1,$e,$e + or $tmp2,$b,$b + add $xi,$e,$e +___ +} + +sub BODY_40_59 { +my ($i,$a,$b,$c,$d,$e)=@_; +my $xi; + &Xupdate(@_); + if ($i&1) { + $xi=@X[($i/2)%8]; + } else { + $xi=$Xi; + $code.="\tsrlx @X[($i/2)%8],32,$xi\n"; + } +$code.=<<___; + add $tmp0,$e,$e !! + and $c,$b,$tmp0 + add $tmp1,$e,$e + sll $b,30,$tmp2 + or $c,$b,$tmp1 + srl $b,2,$b + and $d,$tmp1,$tmp1 + add $xi,$e,$e + or $tmp1,$tmp0,$tmp1 + or $tmp2,$b,$b + add $tmp1,$e,$e +___ +} + +$code.=<<___ if ($bits==64); +.register %g2,#scratch +.register %g3,#scratch +___ +$code.=<<___; +.section ".text",#alloc,#execinstr + +.align 32 +.globl sha1_block_data_order +sha1_block_data_order: + save %sp,-$frame,%sp + sllx $len,6,$len + add $inp,$len,$len + + or %g0,1,$rot1m + sllx $rot1m,32,$rot1m + or $rot1m,1,$rot1m + + ld [$ctx+0],$A + ld [$ctx+4],$B + ld [$ctx+8],$C + ld [$ctx+12],$D + ld [$ctx+16],$E + andn $inp,7,$tmp0 + + sethi %hi(0x5a827999),$K_00_19 + or $K_00_19,%lo(0x5a827999),$K_00_19 + sethi %hi(0x6ed9eba1),$K_20_39 + or $K_20_39,%lo(0x6ed9eba1),$K_20_39 + sethi %hi(0x8f1bbcdc),$K_40_59 + or $K_40_59,%lo(0x8f1bbcdc),$K_40_59 + sethi %hi(0xca62c1d6),$K_60_79 + or $K_60_79,%lo(0xca62c1d6),$K_60_79 + +.Lloop: + ldx [$tmp0+0],@X[0] + ldx [$tmp0+16],@X[2] + ldx [$tmp0+32],@X[4] + ldx [$tmp0+48],@X[6] + and $inp,7,$tmp1 + ldx [$tmp0+8],@X[1] + sll $tmp1,3,$tmp1 + ldx [$tmp0+24],@X[3] + subcc %g0,$tmp1,$tmp2 ! should be 64-$tmp1, but -$tmp1 works too + ldx [$tmp0+40],@X[5] + bz,pt %icc,.Laligned + ldx [$tmp0+56],@X[7] + + sllx @X[0],$tmp1,@X[0] + ldx [$tmp0+64],$tmp64 +___ +for($i=0;$i<7;$i++) +{ $code.=<<___; + srlx @X[$i+1],$tmp2,$Xi + sllx @X[$i+1],$tmp1,@X[$i+1] + or $Xi,@X[$i],@X[$i] +___ +} +$code.=<<___; + srlx $tmp64,$tmp2,$tmp64 + or $tmp64,@X[7],@X[7] +.Laligned: + srlx @X[0],32,$Xi +___ +for ($i=0;$i<16;$i++) { &BODY_00_15($i,@V); unshift(@V,pop(@V)); } +for (;$i<20;$i++) { &BODY_16_19($i,@V); unshift(@V,pop(@V)); } +for (;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } +for (;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); } +for (;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } +$code.=<<___; + + ld [$ctx+0],@X[0] + ld [$ctx+4],@X[1] + ld [$ctx+8],@X[2] + ld [$ctx+12],@X[3] + add $inp,64,$inp + ld [$ctx+16],@X[4] + cmp $inp,$len + + add $A,@X[0],$A + st $A,[$ctx+0] + add $B,@X[1],$B + st $B,[$ctx+4] + add $C,@X[2],$C + st $C,[$ctx+8] + add $D,@X[3],$D + st $D,[$ctx+12] + add $E,@X[4],$E + st $E,[$ctx+16] + + bne `$bits==64?"%xcc":"%icc"`,.Lloop + andn $inp,7,$tmp0 + + ret + restore +.type sha1_block_data_order,#function +.size sha1_block_data_order,(.-sha1_block_data_order) +.asciz "SHA1 block transform for SPARCv9, CRYPTOGAMS by <appro\@openssl.org>" +.align 4 +___ + +$code =~ s/\`([^\`]*)\`/eval $1/gem; +print $code; +close STDOUT; |