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1261 lines
30 KiB
1261 lines
30 KiB
#!/usr/bin/env perl |
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# |
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# ==================================================================== |
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# Written by Andy Polyakov <appro@fy.chalmers.se> 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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# |
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# sha1_block procedure for x86_64. |
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# |
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# It was brought to my attention that on EM64T compiler-generated code |
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# was far behind 32-bit assembler implementation. This is unlike on |
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# Opteron where compiler-generated code was only 15% behind 32-bit |
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# assembler, which originally made it hard to motivate the effort. |
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# There was suggestion to mechanically translate 32-bit code, but I |
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# dismissed it, reasoning that x86_64 offers enough register bank |
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# capacity to fully utilize SHA-1 parallelism. Therefore this fresh |
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# implementation:-) However! While 64-bit code does perform better |
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# on Opteron, I failed to beat 32-bit assembler on EM64T core. Well, |
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# x86_64 does offer larger *addressable* bank, but out-of-order core |
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# reaches for even more registers through dynamic aliasing, and EM64T |
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# core must have managed to run-time optimize even 32-bit code just as |
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# good as 64-bit one. Performance improvement is summarized in the |
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# following table: |
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# |
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# gcc 3.4 32-bit asm cycles/byte |
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# Opteron +45% +20% 6.8 |
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# Xeon P4 +65% +0% 9.9 |
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# Core2 +60% +10% 7.0 |
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|
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# August 2009. |
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# |
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# The code was revised to minimize code size and to maximize |
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# "distance" between instructions producing input to 'lea' |
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# instruction and the 'lea' instruction itself, which is essential |
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# for Intel Atom core. |
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|
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# October 2010. |
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# |
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# Add SSSE3, Supplemental[!] SSE3, implementation. The idea behind it |
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# is to offload message schedule denoted by Wt in NIST specification, |
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# or Xupdate in OpenSSL source, to SIMD unit. See sha1-586.pl module |
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# for background and implementation details. The only difference from |
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# 32-bit code is that 64-bit code doesn't have to spill @X[] elements |
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# to free temporary registers. |
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|
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# April 2011. |
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# |
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# Add AVX code path. See sha1-586.pl for further information. |
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|
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###################################################################### |
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# Current performance is summarized in following table. Numbers are |
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# CPU clock cycles spent to process single byte (less is better). |
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# |
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# x86_64 SSSE3 AVX |
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# P4 9.8 - |
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# Opteron 6.6 - |
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# Core2 6.7 6.1/+10% - |
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# Atom 11.0 9.7/+13% - |
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# Westmere 7.1 5.6/+27% - |
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# Sandy Bridge 7.9 6.3/+25% 5.2/+51% |
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|
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$flavour = shift; |
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$output = shift; |
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if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } |
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|
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$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/); |
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|
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$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; |
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( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or |
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( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or |
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die "can't locate x86_64-xlate.pl"; |
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|
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$avx=1 if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1` |
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=~ /GNU assembler version ([2-9]\.[0-9]+)/ && |
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$1>=2.19); |
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$avx=1 if (!$avx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM} =~ /nasm/) && |
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`nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/ && |
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$1>=2.09); |
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$avx=1 if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) && |
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`ml64 2>&1` =~ /Version ([0-9]+)\./ && |
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$1>=10); |
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|
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open OUT,"| \"$^X\" $xlate $flavour $output"; |
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*STDOUT=*OUT; |
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|
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$ctx="%rdi"; # 1st arg |
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$inp="%rsi"; # 2nd arg |
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$num="%rdx"; # 3rd arg |
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|
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# reassign arguments in order to produce more compact code |
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$ctx="%r8"; |
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$inp="%r9"; |
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$num="%r10"; |
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|
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$t0="%eax"; |
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$t1="%ebx"; |
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$t2="%ecx"; |
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@xi=("%edx","%ebp"); |
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$A="%esi"; |
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$B="%edi"; |
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$C="%r11d"; |
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$D="%r12d"; |
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$E="%r13d"; |
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|
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@V=($A,$B,$C,$D,$E); |
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|
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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==0); |
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mov `4*$i`($inp),$xi[0] |
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bswap $xi[0] |
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mov $xi[0],`4*$i`(%rsp) |
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___ |
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$code.=<<___ if ($i<15); |
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mov $c,$t0 |
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mov `4*$j`($inp),$xi[1] |
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mov $a,$t2 |
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xor $d,$t0 |
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bswap $xi[1] |
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rol \$5,$t2 |
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lea 0x5a827999($xi[0],$e),$e |
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and $b,$t0 |
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mov $xi[1],`4*$j`(%rsp) |
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add $t2,$e |
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xor $d,$t0 |
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rol \$30,$b |
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add $t0,$e |
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___ |
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$code.=<<___ if ($i>=15); |
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mov `4*($j%16)`(%rsp),$xi[1] |
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mov $c,$t0 |
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mov $a,$t2 |
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xor `4*(($j+2)%16)`(%rsp),$xi[1] |
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xor $d,$t0 |
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rol \$5,$t2 |
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xor `4*(($j+8)%16)`(%rsp),$xi[1] |
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and $b,$t0 |
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lea 0x5a827999($xi[0],$e),$e |
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xor `4*(($j+13)%16)`(%rsp),$xi[1] |
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xor $d,$t0 |
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rol \$1,$xi[1] |
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add $t2,$e |
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rol \$30,$b |
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mov $xi[1],`4*($j%16)`(%rsp) |
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add $t0,$e |
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___ |
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unshift(@xi,pop(@xi)); |
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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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my $K=($i<40)?0x6ed9eba1:0xca62c1d6; |
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$code.=<<___ if ($i<79); |
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mov `4*($j%16)`(%rsp),$xi[1] |
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mov $c,$t0 |
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mov $a,$t2 |
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xor `4*(($j+2)%16)`(%rsp),$xi[1] |
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xor $b,$t0 |
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rol \$5,$t2 |
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lea $K($xi[0],$e),$e |
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xor `4*(($j+8)%16)`(%rsp),$xi[1] |
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xor $d,$t0 |
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add $t2,$e |
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xor `4*(($j+13)%16)`(%rsp),$xi[1] |
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rol \$30,$b |
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add $t0,$e |
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rol \$1,$xi[1] |
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___ |
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$code.=<<___ if ($i<76); |
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mov $xi[1],`4*($j%16)`(%rsp) |
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___ |
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$code.=<<___ if ($i==79); |
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mov $c,$t0 |
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mov $a,$t2 |
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xor $b,$t0 |
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lea $K($xi[0],$e),$e |
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rol \$5,$t2 |
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xor $d,$t0 |
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add $t2,$e |
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rol \$30,$b |
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add $t0,$e |
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___ |
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unshift(@xi,pop(@xi)); |
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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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$code.=<<___; |
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mov `4*($j%16)`(%rsp),$xi[1] |
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mov $c,$t0 |
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mov $c,$t1 |
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xor `4*(($j+2)%16)`(%rsp),$xi[1] |
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and $d,$t0 |
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mov $a,$t2 |
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xor `4*(($j+8)%16)`(%rsp),$xi[1] |
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xor $d,$t1 |
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lea 0x8f1bbcdc($xi[0],$e),$e |
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rol \$5,$t2 |
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xor `4*(($j+13)%16)`(%rsp),$xi[1] |
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add $t0,$e |
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and $b,$t1 |
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rol \$1,$xi[1] |
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add $t1,$e |
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rol \$30,$b |
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mov $xi[1],`4*($j%16)`(%rsp) |
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add $t2,$e |
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___ |
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unshift(@xi,pop(@xi)); |
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} |
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$code.=<<___; |
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.text |
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.extern OPENSSL_ia32cap_P |
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|
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.globl sha1_block_data_order |
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.type sha1_block_data_order,\@function,3 |
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.align 16 |
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sha1_block_data_order: |
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mov OPENSSL_ia32cap_P+0(%rip),%r9d |
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mov OPENSSL_ia32cap_P+4(%rip),%r8d |
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test \$`1<<9`,%r8d # check SSSE3 bit |
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jz .Lialu |
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___ |
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$code.=<<___ if ($avx); |
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and \$`1<<28`,%r8d # mask AVX bit |
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and \$`1<<30`,%r9d # mask "Intel CPU" bit |
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or %r9d,%r8d |
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cmp \$`1<<28|1<<30`,%r8d |
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je _avx_shortcut |
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___ |
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$code.=<<___; |
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jmp _ssse3_shortcut |
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.align 16 |
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.Lialu: |
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push %rbx |
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push %rbp |
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push %r12 |
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push %r13 |
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mov %rsp,%r11 |
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mov %rdi,$ctx # reassigned argument |
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sub \$`8+16*4`,%rsp |
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mov %rsi,$inp # reassigned argument |
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and \$-64,%rsp |
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mov %rdx,$num # reassigned argument |
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mov %r11,`16*4`(%rsp) |
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.Lprologue: |
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mov 0($ctx),$A |
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mov 4($ctx),$B |
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mov 8($ctx),$C |
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mov 12($ctx),$D |
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mov 16($ctx),$E |
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jmp .Lloop |
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.align 16 |
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.Lloop: |
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___ |
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for($i=0;$i<20;$i++) { &BODY_00_19($i,@V); unshift(@V,pop(@V)); } |
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for(;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } |
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for(;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); } |
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for(;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } |
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$code.=<<___; |
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add 0($ctx),$A |
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add 4($ctx),$B |
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add 8($ctx),$C |
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add 12($ctx),$D |
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add 16($ctx),$E |
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mov $A,0($ctx) |
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mov $B,4($ctx) |
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mov $C,8($ctx) |
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mov $D,12($ctx) |
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mov $E,16($ctx) |
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sub \$1,$num |
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lea `16*4`($inp),$inp |
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jnz .Lloop |
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mov `16*4`(%rsp),%rsi |
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mov (%rsi),%r13 |
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mov 8(%rsi),%r12 |
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mov 16(%rsi),%rbp |
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mov 24(%rsi),%rbx |
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lea 32(%rsi),%rsp |
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.Lepilogue: |
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ret |
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.size sha1_block_data_order,.-sha1_block_data_order |
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___ |
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{{{ |
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my $Xi=4; |
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my @X=map("%xmm$_",(4..7,0..3)); |
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my @Tx=map("%xmm$_",(8..10)); |
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my @V=($A,$B,$C,$D,$E)=("%eax","%ebx","%ecx","%edx","%ebp"); # size optimization |
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my @T=("%esi","%edi"); |
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my $j=0; |
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my $K_XX_XX="%r11"; |
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my $_rol=sub { &rol(@_) }; |
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my $_ror=sub { &ror(@_) }; |
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$code.=<<___; |
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.type sha1_block_data_order_ssse3,\@function,3 |
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.align 16 |
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sha1_block_data_order_ssse3: |
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_ssse3_shortcut: |
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push %rbx |
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push %rbp |
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push %r12 |
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lea `-64-($win64?5*16:0)`(%rsp),%rsp |
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___ |
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$code.=<<___ if ($win64); |
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movaps %xmm6,64+0(%rsp) |
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movaps %xmm7,64+16(%rsp) |
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movaps %xmm8,64+32(%rsp) |
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movaps %xmm9,64+48(%rsp) |
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movaps %xmm10,64+64(%rsp) |
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.Lprologue_ssse3: |
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___ |
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$code.=<<___; |
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mov %rdi,$ctx # reassigned argument |
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mov %rsi,$inp # reassigned argument |
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mov %rdx,$num # reassigned argument |
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shl \$6,$num |
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add $inp,$num |
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lea K_XX_XX(%rip),$K_XX_XX |
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mov 0($ctx),$A # load context |
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mov 4($ctx),$B |
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mov 8($ctx),$C |
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mov 12($ctx),$D |
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mov $B,@T[0] # magic seed |
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mov 16($ctx),$E |
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movdqa 64($K_XX_XX),@X[2] # pbswap mask |
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movdqa 0($K_XX_XX),@Tx[1] # K_00_19 |
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movdqu 0($inp),@X[-4&7] # load input to %xmm[0-3] |
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movdqu 16($inp),@X[-3&7] |
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movdqu 32($inp),@X[-2&7] |
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movdqu 48($inp),@X[-1&7] |
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pshufb @X[2],@X[-4&7] # byte swap |
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add \$64,$inp |
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pshufb @X[2],@X[-3&7] |
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pshufb @X[2],@X[-2&7] |
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pshufb @X[2],@X[-1&7] |
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paddd @Tx[1],@X[-4&7] # add K_00_19 |
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paddd @Tx[1],@X[-3&7] |
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paddd @Tx[1],@X[-2&7] |
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movdqa @X[-4&7],0(%rsp) # X[]+K xfer to IALU |
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psubd @Tx[1],@X[-4&7] # restore X[] |
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movdqa @X[-3&7],16(%rsp) |
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psubd @Tx[1],@X[-3&7] |
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movdqa @X[-2&7],32(%rsp) |
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psubd @Tx[1],@X[-2&7] |
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jmp .Loop_ssse3 |
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___ |
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|
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sub AUTOLOAD() # thunk [simplified] 32-bit style perlasm |
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{ my $opcode = $AUTOLOAD; $opcode =~ s/.*:://; |
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my $arg = pop; |
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$arg = "\$$arg" if ($arg*1 eq $arg); |
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$code .= "\t$opcode\t".join(',',$arg,reverse @_)."\n"; |
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} |
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|
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sub Xupdate_ssse3_16_31() # recall that $Xi starts wtih 4 |
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{ use integer; |
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my $body = shift; |
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my @insns = (&$body,&$body,&$body,&$body); # 40 instructions |
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my ($a,$b,$c,$d,$e); |
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|
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&movdqa (@X[0],@X[-3&7]); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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&movdqa (@Tx[0],@X[-1&7]); |
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&palignr(@X[0],@X[-4&7],8); # compose "X[-14]" in "X[0]" |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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|
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&paddd (@Tx[1],@X[-1&7]); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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&psrldq (@Tx[0],4); # "X[-3]", 3 dwords |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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&pxor (@X[0],@X[-4&7]); # "X[0]"^="X[-16]" |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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&pxor (@Tx[0],@X[-2&7]); # "X[-3]"^"X[-8]" |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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|
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&pxor (@X[0],@Tx[0]); # "X[0]"^="X[-3]"^"X[-8]" |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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&movdqa (eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer to IALU |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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|
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&movdqa (@Tx[2],@X[0]); |
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&movdqa (@Tx[0],@X[0]); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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|
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&pslldq (@Tx[2],12); # "X[0]"<<96, extract one dword |
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&paddd (@X[0],@X[0]); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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|
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&psrld (@Tx[0],31); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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&movdqa (@Tx[1],@Tx[2]); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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|
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&psrld (@Tx[2],30); |
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&por (@X[0],@Tx[0]); # "X[0]"<<<=1 |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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|
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&pslld (@Tx[1],2); |
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&pxor (@X[0],@Tx[2]); |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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&movdqa (@Tx[2],eval(16*(($Xi)/5))."($K_XX_XX)"); # K_XX_XX |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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|
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&pxor (@X[0],@Tx[1]); # "X[0]"^=("X[0]">>96)<<<2 |
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|
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foreach (@insns) { eval; } # remaining instructions [if any] |
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|
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$Xi++; push(@X,shift(@X)); # "rotate" X[] |
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push(@Tx,shift(@Tx)); |
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} |
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|
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sub Xupdate_ssse3_32_79() |
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{ use integer; |
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my $body = shift; |
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my @insns = (&$body,&$body,&$body,&$body); # 32 to 48 instructions |
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my ($a,$b,$c,$d,$e); |
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|
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&movdqa (@Tx[0],@X[-1&7]) if ($Xi==8); |
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eval(shift(@insns)); # body_20_39 |
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&pxor (@X[0],@X[-4&7]); # "X[0]"="X[-32]"^"X[-16]" |
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&palignr(@Tx[0],@X[-2&7],8); # compose "X[-6]" |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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eval(shift(@insns)); # rol |
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|
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&pxor (@X[0],@X[-7&7]); # "X[0]"^="X[-28]" |
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eval(shift(@insns)); |
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eval(shift(@insns)) if (@insns[0] !~ /&ro[rl]/); |
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if ($Xi%5) { |
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&movdqa (@Tx[2],@Tx[1]);# "perpetuate" K_XX_XX... |
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} else { # ... or load next one |
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&movdqa (@Tx[2],eval(16*($Xi/5))."($K_XX_XX)"); |
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} |
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&paddd (@Tx[1],@X[-1&7]); |
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eval(shift(@insns)); # ror |
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eval(shift(@insns)); |
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|
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&pxor (@X[0],@Tx[0]); # "X[0]"^="X[-6]" |
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eval(shift(@insns)); # body_20_39 |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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eval(shift(@insns)); # rol |
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|
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&movdqa (@Tx[0],@X[0]); |
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&movdqa (eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer to IALU |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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eval(shift(@insns)); # ror |
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eval(shift(@insns)); |
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|
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&pslld (@X[0],2); |
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eval(shift(@insns)); # body_20_39 |
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eval(shift(@insns)); |
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&psrld (@Tx[0],30); |
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eval(shift(@insns)); |
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eval(shift(@insns)); # rol |
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eval(shift(@insns)); |
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eval(shift(@insns)); |
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eval(shift(@insns)); # ror |
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eval(shift(@insns)); |
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|
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&por (@X[0],@Tx[0]); # "X[0]"<<<=2 |
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eval(shift(@insns)); # body_20_39 |
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eval(shift(@insns)); |
|
&movdqa (@Tx[1],@X[0]) if ($Xi<19); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); # rol |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); # rol |
|
eval(shift(@insns)); |
|
|
|
foreach (@insns) { eval; } # remaining instructions |
|
|
|
$Xi++; push(@X,shift(@X)); # "rotate" X[] |
|
push(@Tx,shift(@Tx)); |
|
} |
|
|
|
sub Xuplast_ssse3_80() |
|
{ use integer; |
|
my $body = shift; |
|
my @insns = (&$body,&$body,&$body,&$body); # 32 instructions |
|
my ($a,$b,$c,$d,$e); |
|
|
|
eval(shift(@insns)); |
|
&paddd (@Tx[1],@X[-1&7]); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
|
|
&movdqa (eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer IALU |
|
|
|
foreach (@insns) { eval; } # remaining instructions |
|
|
|
&cmp ($inp,$num); |
|
&je (".Ldone_ssse3"); |
|
|
|
unshift(@Tx,pop(@Tx)); |
|
|
|
&movdqa (@X[2],"64($K_XX_XX)"); # pbswap mask |
|
&movdqa (@Tx[1],"0($K_XX_XX)"); # K_00_19 |
|
&movdqu (@X[-4&7],"0($inp)"); # load input |
|
&movdqu (@X[-3&7],"16($inp)"); |
|
&movdqu (@X[-2&7],"32($inp)"); |
|
&movdqu (@X[-1&7],"48($inp)"); |
|
&pshufb (@X[-4&7],@X[2]); # byte swap |
|
&add ($inp,64); |
|
|
|
$Xi=0; |
|
} |
|
|
|
sub Xloop_ssse3() |
|
{ use integer; |
|
my $body = shift; |
|
my @insns = (&$body,&$body,&$body,&$body); # 32 instructions |
|
my ($a,$b,$c,$d,$e); |
|
|
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
&pshufb (@X[($Xi-3)&7],@X[2]); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
&paddd (@X[($Xi-4)&7],@Tx[1]); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
&movdqa (eval(16*$Xi)."(%rsp)",@X[($Xi-4)&7]); # X[]+K xfer to IALU |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
&psubd (@X[($Xi-4)&7],@Tx[1]); |
|
|
|
foreach (@insns) { eval; } |
|
$Xi++; |
|
} |
|
|
|
sub Xtail_ssse3() |
|
{ use integer; |
|
my $body = shift; |
|
my @insns = (&$body,&$body,&$body,&$body); # 32 instructions |
|
my ($a,$b,$c,$d,$e); |
|
|
|
foreach (@insns) { eval; } |
|
} |
|
|
|
sub body_00_19 () { |
|
( |
|
'($a,$b,$c,$d,$e)=@V;'. |
|
'&add ($e,eval(4*($j&15))."(%rsp)");', # X[]+K xfer |
|
'&xor ($c,$d);', |
|
'&mov (@T[1],$a);', # $b in next round |
|
'&$_rol ($a,5);', |
|
'&and (@T[0],$c);', # ($b&($c^$d)) |
|
'&xor ($c,$d);', # restore $c |
|
'&xor (@T[0],$d);', |
|
'&add ($e,$a);', |
|
'&$_ror ($b,$j?7:2);', # $b>>>2 |
|
'&add ($e,@T[0]);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));' |
|
); |
|
} |
|
|
|
sub body_20_39 () { |
|
( |
|
'($a,$b,$c,$d,$e)=@V;'. |
|
'&add ($e,eval(4*($j++&15))."(%rsp)");', # X[]+K xfer |
|
'&xor (@T[0],$d);', # ($b^$d) |
|
'&mov (@T[1],$a);', # $b in next round |
|
'&$_rol ($a,5);', |
|
'&xor (@T[0],$c);', # ($b^$d^$c) |
|
'&add ($e,$a);', |
|
'&$_ror ($b,7);', # $b>>>2 |
|
'&add ($e,@T[0]);' .'unshift(@V,pop(@V)); unshift(@T,pop(@T));' |
|
); |
|
} |
|
|
|
sub body_40_59 () { |
|
( |
|
'($a,$b,$c,$d,$e)=@V;'. |
|
'&mov (@T[1],$c);', |
|
'&xor ($c,$d);', |
|
'&add ($e,eval(4*($j++&15))."(%rsp)");', # X[]+K xfer |
|
'&and (@T[1],$d);', |
|
'&and (@T[0],$c);', # ($b&($c^$d)) |
|
'&$_ror ($b,7);', # $b>>>2 |
|
'&add ($e,@T[1]);', |
|
'&mov (@T[1],$a);', # $b in next round |
|
'&$_rol ($a,5);', |
|
'&add ($e,@T[0]);', |
|
'&xor ($c,$d);', # restore $c |
|
'&add ($e,$a);' .'unshift(@V,pop(@V)); unshift(@T,pop(@T));' |
|
); |
|
} |
|
$code.=<<___; |
|
.align 16 |
|
.Loop_ssse3: |
|
___ |
|
&Xupdate_ssse3_16_31(\&body_00_19); |
|
&Xupdate_ssse3_16_31(\&body_00_19); |
|
&Xupdate_ssse3_16_31(\&body_00_19); |
|
&Xupdate_ssse3_16_31(\&body_00_19); |
|
&Xupdate_ssse3_32_79(\&body_00_19); |
|
&Xupdate_ssse3_32_79(\&body_20_39); |
|
&Xupdate_ssse3_32_79(\&body_20_39); |
|
&Xupdate_ssse3_32_79(\&body_20_39); |
|
&Xupdate_ssse3_32_79(\&body_20_39); |
|
&Xupdate_ssse3_32_79(\&body_20_39); |
|
&Xupdate_ssse3_32_79(\&body_40_59); |
|
&Xupdate_ssse3_32_79(\&body_40_59); |
|
&Xupdate_ssse3_32_79(\&body_40_59); |
|
&Xupdate_ssse3_32_79(\&body_40_59); |
|
&Xupdate_ssse3_32_79(\&body_40_59); |
|
&Xupdate_ssse3_32_79(\&body_20_39); |
|
&Xuplast_ssse3_80(\&body_20_39); # can jump to "done" |
|
|
|
$saved_j=$j; @saved_V=@V; |
|
|
|
&Xloop_ssse3(\&body_20_39); |
|
&Xloop_ssse3(\&body_20_39); |
|
&Xloop_ssse3(\&body_20_39); |
|
|
|
$code.=<<___; |
|
add 0($ctx),$A # update context |
|
add 4($ctx),@T[0] |
|
add 8($ctx),$C |
|
add 12($ctx),$D |
|
mov $A,0($ctx) |
|
add 16($ctx),$E |
|
mov @T[0],4($ctx) |
|
mov @T[0],$B # magic seed |
|
mov $C,8($ctx) |
|
mov $D,12($ctx) |
|
mov $E,16($ctx) |
|
jmp .Loop_ssse3 |
|
|
|
.align 16 |
|
.Ldone_ssse3: |
|
___ |
|
$j=$saved_j; @V=@saved_V; |
|
|
|
&Xtail_ssse3(\&body_20_39); |
|
&Xtail_ssse3(\&body_20_39); |
|
&Xtail_ssse3(\&body_20_39); |
|
|
|
$code.=<<___; |
|
add 0($ctx),$A # update context |
|
add 4($ctx),@T[0] |
|
add 8($ctx),$C |
|
mov $A,0($ctx) |
|
add 12($ctx),$D |
|
mov @T[0],4($ctx) |
|
add 16($ctx),$E |
|
mov $C,8($ctx) |
|
mov $D,12($ctx) |
|
mov $E,16($ctx) |
|
___ |
|
$code.=<<___ if ($win64); |
|
movaps 64+0(%rsp),%xmm6 |
|
movaps 64+16(%rsp),%xmm7 |
|
movaps 64+32(%rsp),%xmm8 |
|
movaps 64+48(%rsp),%xmm9 |
|
movaps 64+64(%rsp),%xmm10 |
|
___ |
|
$code.=<<___; |
|
lea `64+($win64?5*16:0)`(%rsp),%rsi |
|
mov 0(%rsi),%r12 |
|
mov 8(%rsi),%rbp |
|
mov 16(%rsi),%rbx |
|
lea 24(%rsi),%rsp |
|
.Lepilogue_ssse3: |
|
ret |
|
.size sha1_block_data_order_ssse3,.-sha1_block_data_order_ssse3 |
|
___ |
|
|
|
if ($avx) { |
|
my $Xi=4; |
|
my @X=map("%xmm$_",(4..7,0..3)); |
|
my @Tx=map("%xmm$_",(8..10)); |
|
my @V=($A,$B,$C,$D,$E)=("%eax","%ebx","%ecx","%edx","%ebp"); # size optimization |
|
my @T=("%esi","%edi"); |
|
my $j=0; |
|
my $K_XX_XX="%r11"; |
|
|
|
my $_rol=sub { &shld(@_[0],@_) }; |
|
my $_ror=sub { &shrd(@_[0],@_) }; |
|
|
|
$code.=<<___; |
|
.type sha1_block_data_order_avx,\@function,3 |
|
.align 16 |
|
sha1_block_data_order_avx: |
|
_avx_shortcut: |
|
push %rbx |
|
push %rbp |
|
push %r12 |
|
lea `-64-($win64?5*16:0)`(%rsp),%rsp |
|
___ |
|
$code.=<<___ if ($win64); |
|
movaps %xmm6,64+0(%rsp) |
|
movaps %xmm7,64+16(%rsp) |
|
movaps %xmm8,64+32(%rsp) |
|
movaps %xmm9,64+48(%rsp) |
|
movaps %xmm10,64+64(%rsp) |
|
.Lprologue_avx: |
|
___ |
|
$code.=<<___; |
|
mov %rdi,$ctx # reassigned argument |
|
mov %rsi,$inp # reassigned argument |
|
mov %rdx,$num # reassigned argument |
|
vzeroupper |
|
|
|
shl \$6,$num |
|
add $inp,$num |
|
lea K_XX_XX(%rip),$K_XX_XX |
|
|
|
mov 0($ctx),$A # load context |
|
mov 4($ctx),$B |
|
mov 8($ctx),$C |
|
mov 12($ctx),$D |
|
mov $B,@T[0] # magic seed |
|
mov 16($ctx),$E |
|
|
|
vmovdqa 64($K_XX_XX),@X[2] # pbswap mask |
|
vmovdqa 0($K_XX_XX),@Tx[1] # K_00_19 |
|
vmovdqu 0($inp),@X[-4&7] # load input to %xmm[0-3] |
|
vmovdqu 16($inp),@X[-3&7] |
|
vmovdqu 32($inp),@X[-2&7] |
|
vmovdqu 48($inp),@X[-1&7] |
|
vpshufb @X[2],@X[-4&7],@X[-4&7] # byte swap |
|
add \$64,$inp |
|
vpshufb @X[2],@X[-3&7],@X[-3&7] |
|
vpshufb @X[2],@X[-2&7],@X[-2&7] |
|
vpshufb @X[2],@X[-1&7],@X[-1&7] |
|
vpaddd @Tx[1],@X[-4&7],@X[0] # add K_00_19 |
|
vpaddd @Tx[1],@X[-3&7],@X[1] |
|
vpaddd @Tx[1],@X[-2&7],@X[2] |
|
vmovdqa @X[0],0(%rsp) # X[]+K xfer to IALU |
|
vmovdqa @X[1],16(%rsp) |
|
vmovdqa @X[2],32(%rsp) |
|
jmp .Loop_avx |
|
___ |
|
|
|
sub Xupdate_avx_16_31() # recall that $Xi starts wtih 4 |
|
{ use integer; |
|
my $body = shift; |
|
my @insns = (&$body,&$body,&$body,&$body); # 40 instructions |
|
my ($a,$b,$c,$d,$e); |
|
|
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
&vpalignr(@X[0],@X[-3&7],@X[-4&7],8); # compose "X[-14]" in "X[0]" |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
|
|
&vpaddd (@Tx[1],@Tx[1],@X[-1&7]); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
&vpsrldq(@Tx[0],@X[-1&7],4); # "X[-3]", 3 dwords |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
&vpxor (@X[0],@X[0],@X[-4&7]); # "X[0]"^="X[-16]" |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
|
|
&vpxor (@Tx[0],@Tx[0],@X[-2&7]); # "X[-3]"^"X[-8]" |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
|
|
&vpxor (@X[0],@X[0],@Tx[0]); # "X[0]"^="X[-3]"^"X[-8]" |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
&vmovdqa (eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer to IALU |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
|
|
&vpsrld (@Tx[0],@X[0],31); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
|
|
&vpslldq(@Tx[2],@X[0],12); # "X[0]"<<96, extract one dword |
|
&vpaddd (@X[0],@X[0],@X[0]); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
|
|
&vpsrld (@Tx[1],@Tx[2],30); |
|
&vpor (@X[0],@X[0],@Tx[0]); # "X[0]"<<<=1 |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
|
|
&vpslld (@Tx[2],@Tx[2],2); |
|
&vpxor (@X[0],@X[0],@Tx[1]); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
|
|
&vpxor (@X[0],@X[0],@Tx[2]); # "X[0]"^=("X[0]">>96)<<<2 |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
&vmovdqa (@Tx[2],eval(16*(($Xi)/5))."($K_XX_XX)"); # K_XX_XX |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
|
|
|
|
foreach (@insns) { eval; } # remaining instructions [if any] |
|
|
|
$Xi++; push(@X,shift(@X)); # "rotate" X[] |
|
push(@Tx,shift(@Tx)); |
|
} |
|
|
|
sub Xupdate_avx_32_79() |
|
{ use integer; |
|
my $body = shift; |
|
my @insns = (&$body,&$body,&$body,&$body); # 32 to 48 instructions |
|
my ($a,$b,$c,$d,$e); |
|
|
|
&vpalignr(@Tx[0],@X[-1&7],@X[-2&7],8); # compose "X[-6]" |
|
&vpxor (@X[0],@X[0],@X[-4&7]); # "X[0]"="X[-32]"^"X[-16]" |
|
eval(shift(@insns)); # body_20_39 |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); # rol |
|
|
|
&vpxor (@X[0],@X[0],@X[-7&7]); # "X[0]"^="X[-28]" |
|
eval(shift(@insns)); |
|
eval(shift(@insns)) if (@insns[0] !~ /&ro[rl]/); |
|
if ($Xi%5) { |
|
&vmovdqa (@Tx[2],@Tx[1]);# "perpetuate" K_XX_XX... |
|
} else { # ... or load next one |
|
&vmovdqa (@Tx[2],eval(16*($Xi/5))."($K_XX_XX)"); |
|
} |
|
&vpaddd (@Tx[1],@Tx[1],@X[-1&7]); |
|
eval(shift(@insns)); # ror |
|
eval(shift(@insns)); |
|
|
|
&vpxor (@X[0],@X[0],@Tx[0]); # "X[0]"^="X[-6]" |
|
eval(shift(@insns)); # body_20_39 |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); # rol |
|
|
|
&vpsrld (@Tx[0],@X[0],30); |
|
&vmovdqa (eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer to IALU |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); # ror |
|
eval(shift(@insns)); |
|
|
|
&vpslld (@X[0],@X[0],2); |
|
eval(shift(@insns)); # body_20_39 |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); # rol |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); # ror |
|
eval(shift(@insns)); |
|
|
|
&vpor (@X[0],@X[0],@Tx[0]); # "X[0]"<<<=2 |
|
eval(shift(@insns)); # body_20_39 |
|
eval(shift(@insns)); |
|
&vmovdqa (@Tx[1],@X[0]) if ($Xi<19); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); # rol |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); # rol |
|
eval(shift(@insns)); |
|
|
|
foreach (@insns) { eval; } # remaining instructions |
|
|
|
$Xi++; push(@X,shift(@X)); # "rotate" X[] |
|
push(@Tx,shift(@Tx)); |
|
} |
|
|
|
sub Xuplast_avx_80() |
|
{ use integer; |
|
my $body = shift; |
|
my @insns = (&$body,&$body,&$body,&$body); # 32 instructions |
|
my ($a,$b,$c,$d,$e); |
|
|
|
eval(shift(@insns)); |
|
&vpaddd (@Tx[1],@Tx[1],@X[-1&7]); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
|
|
&movdqa (eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer IALU |
|
|
|
foreach (@insns) { eval; } # remaining instructions |
|
|
|
&cmp ($inp,$num); |
|
&je (".Ldone_avx"); |
|
|
|
unshift(@Tx,pop(@Tx)); |
|
|
|
&vmovdqa(@X[2],"64($K_XX_XX)"); # pbswap mask |
|
&vmovdqa(@Tx[1],"0($K_XX_XX)"); # K_00_19 |
|
&vmovdqu(@X[-4&7],"0($inp)"); # load input |
|
&vmovdqu(@X[-3&7],"16($inp)"); |
|
&vmovdqu(@X[-2&7],"32($inp)"); |
|
&vmovdqu(@X[-1&7],"48($inp)"); |
|
&vpshufb(@X[-4&7],@X[-4&7],@X[2]); # byte swap |
|
&add ($inp,64); |
|
|
|
$Xi=0; |
|
} |
|
|
|
sub Xloop_avx() |
|
{ use integer; |
|
my $body = shift; |
|
my @insns = (&$body,&$body,&$body,&$body); # 32 instructions |
|
my ($a,$b,$c,$d,$e); |
|
|
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
&vpshufb(@X[($Xi-3)&7],@X[($Xi-3)&7],@X[2]); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
&vpaddd (@X[$Xi&7],@X[($Xi-4)&7],@Tx[1]); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
&vmovdqa(eval(16*$Xi)."(%rsp)",@X[$Xi&7]); # X[]+K xfer to IALU |
|
eval(shift(@insns)); |
|
eval(shift(@insns)); |
|
|
|
foreach (@insns) { eval; } |
|
$Xi++; |
|
} |
|
|
|
sub Xtail_avx() |
|
{ use integer; |
|
my $body = shift; |
|
my @insns = (&$body,&$body,&$body,&$body); # 32 instructions |
|
my ($a,$b,$c,$d,$e); |
|
|
|
foreach (@insns) { eval; } |
|
} |
|
|
|
$code.=<<___; |
|
.align 16 |
|
.Loop_avx: |
|
___ |
|
&Xupdate_avx_16_31(\&body_00_19); |
|
&Xupdate_avx_16_31(\&body_00_19); |
|
&Xupdate_avx_16_31(\&body_00_19); |
|
&Xupdate_avx_16_31(\&body_00_19); |
|
&Xupdate_avx_32_79(\&body_00_19); |
|
&Xupdate_avx_32_79(\&body_20_39); |
|
&Xupdate_avx_32_79(\&body_20_39); |
|
&Xupdate_avx_32_79(\&body_20_39); |
|
&Xupdate_avx_32_79(\&body_20_39); |
|
&Xupdate_avx_32_79(\&body_20_39); |
|
&Xupdate_avx_32_79(\&body_40_59); |
|
&Xupdate_avx_32_79(\&body_40_59); |
|
&Xupdate_avx_32_79(\&body_40_59); |
|
&Xupdate_avx_32_79(\&body_40_59); |
|
&Xupdate_avx_32_79(\&body_40_59); |
|
&Xupdate_avx_32_79(\&body_20_39); |
|
&Xuplast_avx_80(\&body_20_39); # can jump to "done" |
|
|
|
$saved_j=$j; @saved_V=@V; |
|
|
|
&Xloop_avx(\&body_20_39); |
|
&Xloop_avx(\&body_20_39); |
|
&Xloop_avx(\&body_20_39); |
|
|
|
$code.=<<___; |
|
add 0($ctx),$A # update context |
|
add 4($ctx),@T[0] |
|
add 8($ctx),$C |
|
add 12($ctx),$D |
|
mov $A,0($ctx) |
|
add 16($ctx),$E |
|
mov @T[0],4($ctx) |
|
mov @T[0],$B # magic seed |
|
mov $C,8($ctx) |
|
mov $D,12($ctx) |
|
mov $E,16($ctx) |
|
jmp .Loop_avx |
|
|
|
.align 16 |
|
.Ldone_avx: |
|
___ |
|
$j=$saved_j; @V=@saved_V; |
|
|
|
&Xtail_avx(\&body_20_39); |
|
&Xtail_avx(\&body_20_39); |
|
&Xtail_avx(\&body_20_39); |
|
|
|
$code.=<<___; |
|
vzeroupper |
|
|
|
add 0($ctx),$A # update context |
|
add 4($ctx),@T[0] |
|
add 8($ctx),$C |
|
mov $A,0($ctx) |
|
add 12($ctx),$D |
|
mov @T[0],4($ctx) |
|
add 16($ctx),$E |
|
mov $C,8($ctx) |
|
mov $D,12($ctx) |
|
mov $E,16($ctx) |
|
___ |
|
$code.=<<___ if ($win64); |
|
movaps 64+0(%rsp),%xmm6 |
|
movaps 64+16(%rsp),%xmm7 |
|
movaps 64+32(%rsp),%xmm8 |
|
movaps 64+48(%rsp),%xmm9 |
|
movaps 64+64(%rsp),%xmm10 |
|
___ |
|
$code.=<<___; |
|
lea `64+($win64?5*16:0)`(%rsp),%rsi |
|
mov 0(%rsi),%r12 |
|
mov 8(%rsi),%rbp |
|
mov 16(%rsi),%rbx |
|
lea 24(%rsi),%rsp |
|
.Lepilogue_avx: |
|
ret |
|
.size sha1_block_data_order_avx,.-sha1_block_data_order_avx |
|
___ |
|
} |
|
$code.=<<___; |
|
.align 64 |
|
K_XX_XX: |
|
.long 0x5a827999,0x5a827999,0x5a827999,0x5a827999 # K_00_19 |
|
.long 0x6ed9eba1,0x6ed9eba1,0x6ed9eba1,0x6ed9eba1 # K_20_39 |
|
.long 0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc # K_40_59 |
|
.long 0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6 # K_60_79 |
|
.long 0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f # pbswap mask |
|
___ |
|
}}} |
|
$code.=<<___; |
|
.asciz "SHA1 block transform for x86_64, CRYPTOGAMS by <appro\@openssl.org>" |
|
.align 64 |
|
___ |
|
|
|
# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, |
|
# CONTEXT *context,DISPATCHER_CONTEXT *disp) |
|
if ($win64) { |
|
$rec="%rcx"; |
|
$frame="%rdx"; |
|
$context="%r8"; |
|
$disp="%r9"; |
|
|
|
$code.=<<___; |
|
.extern __imp_RtlVirtualUnwind |
|
.type se_handler,\@abi-omnipotent |
|
.align 16 |
|
se_handler: |
|
push %rsi |
|
push %rdi |
|
push %rbx |
|
push %rbp |
|
push %r12 |
|
push %r13 |
|
push %r14 |
|
push %r15 |
|
pushfq |
|
sub \$64,%rsp |
|
|
|
mov 120($context),%rax # pull context->Rax |
|
mov 248($context),%rbx # pull context->Rip |
|
|
|
lea .Lprologue(%rip),%r10 |
|
cmp %r10,%rbx # context->Rip<.Lprologue |
|
jb .Lcommon_seh_tail |
|
|
|
mov 152($context),%rax # pull context->Rsp |
|
|
|
lea .Lepilogue(%rip),%r10 |
|
cmp %r10,%rbx # context->Rip>=.Lepilogue |
|
jae .Lcommon_seh_tail |
|
|
|
mov `16*4`(%rax),%rax # pull saved stack pointer |
|
lea 32(%rax),%rax |
|
|
|
mov -8(%rax),%rbx |
|
mov -16(%rax),%rbp |
|
mov -24(%rax),%r12 |
|
mov -32(%rax),%r13 |
|
mov %rbx,144($context) # restore context->Rbx |
|
mov %rbp,160($context) # restore context->Rbp |
|
mov %r12,216($context) # restore context->R12 |
|
mov %r13,224($context) # restore context->R13 |
|
|
|
jmp .Lcommon_seh_tail |
|
.size se_handler,.-se_handler |
|
|
|
.type ssse3_handler,\@abi-omnipotent |
|
.align 16 |
|
ssse3_handler: |
|
push %rsi |
|
push %rdi |
|
push %rbx |
|
push %rbp |
|
push %r12 |
|
push %r13 |
|
push %r14 |
|
push %r15 |
|
pushfq |
|
sub \$64,%rsp |
|
|
|
mov 120($context),%rax # pull context->Rax |
|
mov 248($context),%rbx # pull context->Rip |
|
|
|
mov 8($disp),%rsi # disp->ImageBase |
|
mov 56($disp),%r11 # disp->HandlerData |
|
|
|
mov 0(%r11),%r10d # HandlerData[0] |
|
lea (%rsi,%r10),%r10 # prologue label |
|
cmp %r10,%rbx # context->Rip<prologue label |
|
jb .Lcommon_seh_tail |
|
|
|
mov 152($context),%rax # pull context->Rsp |
|
|
|
mov 4(%r11),%r10d # HandlerData[1] |
|
lea (%rsi,%r10),%r10 # epilogue label |
|
cmp %r10,%rbx # context->Rip>=epilogue label |
|
jae .Lcommon_seh_tail |
|
|
|
lea 64(%rax),%rsi |
|
lea 512($context),%rdi # &context.Xmm6 |
|
mov \$10,%ecx |
|
.long 0xa548f3fc # cld; rep movsq |
|
lea `24+64+5*16`(%rax),%rax # adjust stack pointer |
|
|
|
mov -8(%rax),%rbx |
|
mov -16(%rax),%rbp |
|
mov -24(%rax),%r12 |
|
mov %rbx,144($context) # restore context->Rbx |
|
mov %rbp,160($context) # restore context->Rbp |
|
mov %r12,216($context) # restore cotnext->R12 |
|
|
|
.Lcommon_seh_tail: |
|
mov 8(%rax),%rdi |
|
mov 16(%rax),%rsi |
|
mov %rax,152($context) # restore context->Rsp |
|
mov %rsi,168($context) # restore context->Rsi |
|
mov %rdi,176($context) # restore context->Rdi |
|
|
|
mov 40($disp),%rdi # disp->ContextRecord |
|
mov $context,%rsi # context |
|
mov \$154,%ecx # sizeof(CONTEXT) |
|
.long 0xa548f3fc # cld; rep movsq |
|
|
|
mov $disp,%rsi |
|
xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER |
|
mov 8(%rsi),%rdx # arg2, disp->ImageBase |
|
mov 0(%rsi),%r8 # arg3, disp->ControlPc |
|
mov 16(%rsi),%r9 # arg4, disp->FunctionEntry |
|
mov 40(%rsi),%r10 # disp->ContextRecord |
|
lea 56(%rsi),%r11 # &disp->HandlerData |
|
lea 24(%rsi),%r12 # &disp->EstablisherFrame |
|
mov %r10,32(%rsp) # arg5 |
|
mov %r11,40(%rsp) # arg6 |
|
mov %r12,48(%rsp) # arg7 |
|
mov %rcx,56(%rsp) # arg8, (NULL) |
|
call *__imp_RtlVirtualUnwind(%rip) |
|
|
|
mov \$1,%eax # ExceptionContinueSearch |
|
add \$64,%rsp |
|
popfq |
|
pop %r15 |
|
pop %r14 |
|
pop %r13 |
|
pop %r12 |
|
pop %rbp |
|
pop %rbx |
|
pop %rdi |
|
pop %rsi |
|
ret |
|
.size ssse3_handler,.-ssse3_handler |
|
|
|
.section .pdata |
|
.align 4 |
|
.rva .LSEH_begin_sha1_block_data_order |
|
.rva .LSEH_end_sha1_block_data_order |
|
.rva .LSEH_info_sha1_block_data_order |
|
.rva .LSEH_begin_sha1_block_data_order_ssse3 |
|
.rva .LSEH_end_sha1_block_data_order_ssse3 |
|
.rva .LSEH_info_sha1_block_data_order_ssse3 |
|
___ |
|
$code.=<<___ if ($avx); |
|
.rva .LSEH_begin_sha1_block_data_order_avx |
|
.rva .LSEH_end_sha1_block_data_order_avx |
|
.rva .LSEH_info_sha1_block_data_order_avx |
|
___ |
|
$code.=<<___; |
|
.section .xdata |
|
.align 8 |
|
.LSEH_info_sha1_block_data_order: |
|
.byte 9,0,0,0 |
|
.rva se_handler |
|
.LSEH_info_sha1_block_data_order_ssse3: |
|
.byte 9,0,0,0 |
|
.rva ssse3_handler |
|
.rva .Lprologue_ssse3,.Lepilogue_ssse3 # HandlerData[] |
|
___ |
|
$code.=<<___ if ($avx); |
|
.LSEH_info_sha1_block_data_order_avx: |
|
.byte 9,0,0,0 |
|
.rva ssse3_handler |
|
.rva .Lprologue_avx,.Lepilogue_avx # HandlerData[] |
|
___ |
|
} |
|
|
|
#################################################################### |
|
|
|
$code =~ s/\`([^\`]*)\`/eval $1/gem; |
|
print $code; |
|
close STDOUT;
|
|
|