# subroutine:
#
# AES-128-CBC +SHA1 stitch gain
-# Westmere 3.77[+5.5] 9.26 6.58 +41%
-# Sandy Bridge 5.05[+5.0(6.2)] 10.06(11.21) 6.09(7.05) +65%(+59%)
+# Westmere 3.77[+5.3] 9.07 6.55 +38%
+# Sandy Bridge 5.05[+5.0(6.1)] 10.06(11.15) 5.98(7.05) +68%(+58%)
# Ivy Bridge 5.05[+4.6] 9.65 5.54 +74%
+# Haswell 4.43[+3.6(4.2)] 8.00(8.58) 4.55(5.21) +75%(+65%)
# Bulldozer 5.77[+6.0] 11.72 6.37 +84%
#
# AES-192-CBC
-# Westmere 4.51 10.00 6.87 +46%
-# Sandy Bridge 6.05 11.06(12.21) 6.11(7.20) +81%(+70%)
+# Westmere 4.51 9.81 6.80 +44%
+# Sandy Bridge 6.05 11.06(12.15) 6.11(7.19) +81%(+69%)
# Ivy Bridge 6.05 10.65 6.07 +75%
+# Haswell 5.29 8.86(9.44) 5.32(5.32) +67%(+77%)
# Bulldozer 6.89 12.84 6.96 +84%
#
# AES-256-CBC
-# Westmere 5.25 10.74 7.19 +49%
-# Sandy Bridge 7.05 12.06(13.21) 7.12(7.68) +69%(+72%)
+# Westmere 5.25 10.55 7.21 +46%
+# Sandy Bridge 7.05 12.06(13.15) 7.12(7.72) +69%(+70%)
# Ivy Bridge 7.05 11.65 7.12 +64%
+# Haswell 6.19 9.76(10.34) 6.21(6.25) +57%(+65%)
# Bulldozer 8.00 13.95 8.25 +69%
#
# (*) There are two code paths: SSSE3 and AVX. See sha1-568.pl for
# standalone AESNI-CBC decrypt:
#
# AES-128-CBC AES-192-CBC AES-256-CBC
-# Westmere 1.31 1.55 1.80
+# Westmere 1.25 1.50 1.75
# Sandy Bridge 0.74 0.91 1.09
# Ivy Bridge 0.74 0.90 1.11
+# Haswell 0.63 0.76 0.88
# Bulldozer 0.70 0.85 0.99
+# And indeed:
+#
+# AES-256-CBC +SHA1 stitch gain
+# Westmere 1.75 7.20 6.68 +7.8%
+# Sandy Bridge 1.09 6.09(7.22) 5.82(6.95) +4.6%(+3.9%)
+# Ivy Bridge 1.11 5.70 5.45 +4.6%
+# Haswell 0.88 4.45(5.00) 4.39(4.69) +1.4%(*)(+6.6%)
+# Bulldozer 0.99 6.95 5.95 +17%(**)
+#
+# (*) Tiny improvement coefficient on Haswell is because we compare
+# AVX1 stitch to sum with AVX2 SHA1.
+# (**) Execution is fully dominated by integer code sequence and
+# SIMD still hardly shows [in single-process benchmark;-]
+
$flavour = shift;
$output = shift;
if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
$avx=1 if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) &&
`ml64 2>&1` =~ /Version ([0-9]+)\./ &&
$1>=10);
+$avx=1 if (!$avx && `$ENV{CC} -v 2>&1` =~ /(^clang version|based on LLVM) ([3-9]\.[0-9]+)/ && $2>=3.0);
+
+$shaext=1; ### set to zero if compiling for 1.0.1
+
+$stitched_decrypt=0;
open OUT,"| \"$^X\" $xlate $flavour $output";
*STDOUT=*OUT;
.globl aesni_cbc_sha1_enc
.type aesni_cbc_sha1_enc,\@abi-omnipotent
-.align 16
+.align 32
aesni_cbc_sha1_enc:
# caller should check for SSSE3 and AES-NI bits
mov OPENSSL_ia32cap_P+0(%rip),%r10d
- mov OPENSSL_ia32cap_P+4(%rip),%r11d
+ mov OPENSSL_ia32cap_P+4(%rip),%r11
+___
+$code.=<<___ if ($shaext);
+ bt \$61,%r11 # check SHA bit
+ jc aesni_cbc_sha1_enc_shaext
___
$code.=<<___ if ($avx);
and \$`1<<28`,%r11d # mask AVX bit
my @T=("%esi","%edi");
my $j=0; my $jj=0; my $r=0; my $sn=0; my $rx=0;
my $K_XX_XX="%r11";
-my ($iv,$in,$rndkey0)=map("%xmm$_",(11..13));
-my @rndkey=("%xmm14","%xmm15");
-
-if (1) {
- @X=map("%xmm$_",(4..11));
- @Tx=map("%xmm$_",(12..14));
- ($iv,$in,$rndkey0)=map("%xmm$_",(2,3,15));
+my ($rndkey0,$iv,$in)=map("%xmm$_",(11..13)); # for enc
+my @rndkey=("%xmm14","%xmm15"); # for enc
+my ($inout0,$inout1,$inout2,$inout3)=map("%xmm$_",(12..15)); # for dec
+
+if (1) { # reassign for Atom Silvermont
+ # The goal is to minimize amount of instructions with more than
+ # 3 prefix bytes. Or in more practical terms to keep AES-NI *and*
+ # SSSE3 instructions to upper half of the register bank.
+ @X=map("%xmm$_",(8..11,4..7));
+ @Tx=map("%xmm$_",(12,13,3));
+ ($iv,$in,$rndkey0)=map("%xmm$_",(2,14,15));
@rndkey=("%xmm0","%xmm1");
}
$code.=<<___;
.type aesni_cbc_sha1_enc_ssse3,\@function,6
-.align 16
+.align 32
aesni_cbc_sha1_enc_ssse3:
mov `($win64?56:8)`(%rsp),$inp # load 7th argument
#shr \$6,$len # debugging artefact
mov $in0,%r12 # reassign arguments
mov $out,%r13
mov $len,%r14
- mov $key,%r15
+ lea 112($key),%r15 # size optimization
movdqu ($ivp),$iv # load IV
mov $ivp,88(%rsp) # save $ivp
___
-my ($in0,$out,$len,$key)=map("%r$_",(12..15)); # reassign arguments
+($in0,$out,$len,$key)=map("%r$_",(12..15)); # reassign arguments
my $rounds="${ivp}d";
$code.=<<___;
shl \$6,$len
sub $in0,$out
- mov 240($key),$rounds
+ mov 240-112($key),$rounds
add $inp,$len # end of input
lea K_XX_XX(%rip),$K_XX_XX
xor $D,@T[1]
and @T[1],@T[0]
- movdqa 64($K_XX_XX),@X[2] # pbswap mask
+ movdqa 64($K_XX_XX),@Tx[2] # pbswap mask
movdqa 0($K_XX_XX),@Tx[1] # K_00_19
movdqu 0($inp),@X[-4&7] # load input to %xmm[0-3]
movdqu 16($inp),@X[-3&7]
movdqu 32($inp),@X[-2&7]
movdqu 48($inp),@X[-1&7]
- pshufb @X[2],@X[-4&7] # byte swap
+ pshufb @Tx[2],@X[-4&7] # byte swap
+ pshufb @Tx[2],@X[-3&7]
+ pshufb @Tx[2],@X[-2&7]
add \$64,$inp
- pshufb @X[2],@X[-3&7]
- pshufb @X[2],@X[-2&7]
- pshufb @X[2],@X[-1&7]
paddd @Tx[1],@X[-4&7] # add K_00_19
+ pshufb @Tx[2],@X[-1&7]
paddd @Tx[1],@X[-3&7]
paddd @Tx[1],@X[-2&7]
movdqa @X[-4&7],0(%rsp) # X[]+K xfer to IALU
psubd @Tx[1],@X[-3&7]
movdqa @X[-2&7],32(%rsp)
psubd @Tx[1],@X[-2&7]
- movups ($key),$rndkey0 # $key[0]
- movups 16($key),$rndkey[0] # forward reference
+ movups -112($key),$rndkey0 # $key[0]
+ movups 16-112($key),$rndkey[0] # forward reference
jmp .Loop_ssse3
___
___
$code.=<<___;
xorps $in,$iv
+ movups `32+16*$k-112`($key),$rndkey[1]
aesenc $rndkey[0],$iv
- movups `32+16*$k`($key),$rndkey[1]
___
} elsif ($k==9) {
$sn++;
$code.=<<___;
cmp \$11,$rounds
jb .Laesenclast$sn
- movups `32+16*($k+0)`($key),$rndkey[1]
+ movups `32+16*($k+0)-112`($key),$rndkey[1]
aesenc $rndkey[0],$iv
- movups `32+16*($k+1)`($key),$rndkey[0]
+ movups `32+16*($k+1)-112`($key),$rndkey[0]
aesenc $rndkey[1],$iv
je .Laesenclast$sn
- movups `32+16*($k+2)`($key),$rndkey[1]
+ movups `32+16*($k+2)-112`($key),$rndkey[1]
aesenc $rndkey[0],$iv
- movups `32+16*($k+3)`($key),$rndkey[0]
+ movups `32+16*($k+3)-112`($key),$rndkey[0]
aesenc $rndkey[1],$iv
.Laesenclast$sn:
aesenclast $rndkey[0],$iv
- movups 16($key),$rndkey[1] # forward reference
+ movups 16-112($key),$rndkey[1] # forward reference
___
} else {
$code.=<<___;
+ movups `32+16*$k-112`($key),$rndkey[1]
aesenc $rndkey[0],$iv
- movups `32+16*$k`($key),$rndkey[1]
___
}
$r++; unshift(@rndkey,pop(@rndkey));
my @insns = (&$body,&$body,&$body,&$body); # 40 instructions
my ($a,$b,$c,$d,$e);
- &movdqa (@X[0],@X[-3&7]);
- eval(shift(@insns));
+ eval(shift(@insns)); # ror
+ &pshufd (@X[0],@X[-4&7],0xee); # was &movdqa (@X[0],@X[-3&7]);
eval(shift(@insns));
&movdqa (@Tx[0],@X[-1&7]);
- &palignr(@X[0],@X[-4&7],8); # compose "X[-14]" in "X[0]"
+ &paddd (@Tx[1],@X[-1&7]);
eval(shift(@insns));
eval(shift(@insns));
- &paddd (@Tx[1],@X[-1&7]);
+ &punpcklqdq(@X[0],@X[-3&7]); # compose "X[-14]" in "X[0]", was &palignr(@X[0],@X[-4&7],8);
eval(shift(@insns));
+ eval(shift(@insns)); # rol
eval(shift(@insns));
&psrldq (@Tx[0],4); # "X[-3]", 3 dwords
eval(shift(@insns));
eval(shift(@insns));
+
&pxor (@X[0],@X[-4&7]); # "X[0]"^="X[-16]"
eval(shift(@insns));
- eval(shift(@insns));
-
+ eval(shift(@insns)); # ror
&pxor (@Tx[0],@X[-2&7]); # "X[-3]"^"X[-8]"
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
- eval(shift(@insns));
&pxor (@X[0],@Tx[0]); # "X[0]"^="X[-3]"^"X[-8]"
eval(shift(@insns));
- eval(shift(@insns));
+ eval(shift(@insns)); # rol
&movdqa (eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer to IALU
eval(shift(@insns));
eval(shift(@insns));
&movdqa (@Tx[2],@X[0]);
- &movdqa (@Tx[0],@X[0]);
- eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns)); # ror
+ &movdqa (@Tx[0],@X[0]);
eval(shift(@insns));
&pslldq (@Tx[2],12); # "X[0]"<<96, extract one dword
&paddd (@X[0],@X[0]);
eval(shift(@insns));
eval(shift(@insns));
- eval(shift(@insns));
- eval(shift(@insns));
&psrld (@Tx[0],31);
eval(shift(@insns));
+ eval(shift(@insns)); # rol
eval(shift(@insns));
&movdqa (@Tx[1],@Tx[2]);
eval(shift(@insns));
eval(shift(@insns));
&psrld (@Tx[2],30);
- &por (@X[0],@Tx[0]); # "X[0]"<<<=1
eval(shift(@insns));
+ eval(shift(@insns)); # ror
+ &por (@X[0],@Tx[0]); # "X[0]"<<<=1
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&pslld (@Tx[1],2);
&pxor (@X[0],@Tx[2]);
- eval(shift(@insns));
eval(shift(@insns));
&movdqa (@Tx[2],eval(16*(($Xi)/5))."($K_XX_XX)"); # K_XX_XX
+ eval(shift(@insns)); # rol
eval(shift(@insns));
eval(shift(@insns));
&pxor (@X[0],@Tx[1]); # "X[0]"^=("X[0]">>96)<<<2
+ &pshufd (@Tx[1],@X[-1&7],0xee) if ($Xi==7); # was &movdqa (@Tx[0],@X[-1&7]) in Xupdate_ssse3_32_79
foreach (@insns) { eval; } # remaining instructions [if any]
sub Xupdate_ssse3_32_79()
{ use integer;
my $body = shift;
- my @insns = (&$body,&$body,&$body,&$body); # 32 to 48 instructions
+ my @insns = (&$body,&$body,&$body,&$body); # 32 to 44 instructions
my ($a,$b,$c,$d,$e);
- &movdqa (@Tx[0],@X[-1&7]) if ($Xi==8);
- eval(shift(@insns)); # body_20_39
+ eval(shift(@insns)) if ($Xi==8);
&pxor (@X[0],@X[-4&7]); # "X[0]"="X[-32]"^"X[-16]"
- &palignr(@Tx[0],@X[-2&7],8); # compose "X[-6]"
+ eval(shift(@insns)) if ($Xi==8);
+ eval(shift(@insns)); # body_20_39
eval(shift(@insns));
+ eval(shift(@insns)) if (@insns[1] =~ /_ror/);
+ eval(shift(@insns)) if (@insns[0] =~ /_ror/);
+ &punpcklqdq(@Tx[0],@X[-1&7]); # compose "X[-6]", was &palignr(@Tx[0],@X[-2&7],8);
eval(shift(@insns));
eval(shift(@insns)); # rol
&pxor (@X[0],@X[-7&7]); # "X[0]"^="X[-28]"
eval(shift(@insns));
- eval(shift(@insns)) if (@insns[0] !~ /&ro[rl]/);
+ eval(shift(@insns));
if ($Xi%5) {
&movdqa (@Tx[2],@Tx[1]);# "perpetuate" K_XX_XX...
} else { # ... or load next one
&movdqa (@Tx[2],eval(16*($Xi/5))."($K_XX_XX)");
}
- &paddd (@Tx[1],@X[-1&7]);
eval(shift(@insns)); # ror
+ &paddd (@Tx[1],@X[-1&7]);
eval(shift(@insns));
&pxor (@X[0],@Tx[0]); # "X[0]"^="X[-6]"
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns)); # rol
+ eval(shift(@insns)) if (@insns[0] =~ /_ror/);
&movdqa (@Tx[0],@X[0]);
- &movdqa (eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer to IALU
eval(shift(@insns));
eval(shift(@insns));
+ &movdqa (eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer to IALU
eval(shift(@insns)); # ror
eval(shift(@insns));
+ eval(shift(@insns)); # body_20_39
&pslld (@X[0],2);
- eval(shift(@insns)); # body_20_39
eval(shift(@insns));
- &psrld (@Tx[0],30);
eval(shift(@insns));
- eval(shift(@insns)); # rol
+ &psrld (@Tx[0],30);
+ eval(shift(@insns)) if (@insns[0] =~ /_rol/);# rol
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns)); # ror
- eval(shift(@insns));
&por (@X[0],@Tx[0]); # "X[0]"<<<=2
- eval(shift(@insns)); # body_20_39
eval(shift(@insns));
- &movdqa (@Tx[1],@X[0]) if ($Xi<19);
+ eval(shift(@insns)); # body_20_39
+ eval(shift(@insns)) if (@insns[1] =~ /_rol/);
+ eval(shift(@insns)) if (@insns[0] =~ /_rol/);
+ &pshufd(@Tx[1],@X[-1&7],0xee) if ($Xi<19); # was &movdqa (@Tx[1],@X[0])
eval(shift(@insns));
eval(shift(@insns)); # rol
eval(shift(@insns));
my ($a,$b,$c,$d,$e);
eval(shift(@insns));
- &paddd (@Tx[1],@X[-1&7]);
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
+ &paddd (@Tx[1],@X[-1&7]);
eval(shift(@insns));
eval(shift(@insns));
foreach (@insns) { eval; } # remaining instructions
&cmp ($inp,$len);
- &je (".Ldone_ssse3");
+ &je (shift);
unshift(@Tx,pop(@Tx));
- &movdqa (@X[2],"64($K_XX_XX)"); # pbswap mask
+ &movdqa (@Tx[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
+ &pshufb (@X[-4&7],@Tx[2]); # byte swap
&add ($inp,64);
$Xi=0;
eval(shift(@insns));
eval(shift(@insns));
- &pshufb (@X[($Xi-3)&7],@X[2]);
+ eval(shift(@insns));
+ &pshufb (@X[($Xi-3)&7],@Tx[2]);
+ eval(shift(@insns));
+ eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&paddd (@X[($Xi-4)&7],@Tx[1]);
&movdqa (eval(16*$Xi)."(%rsp)",@X[($Xi-4)&7]); # X[]+K xfer to IALU
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
&psubd (@X[($Xi-4)&7],@Tx[1]);
foreach (@insns) { eval; }
foreach (@insns) { eval; }
}
-sub body_00_19 () { # ((c^d)&b)^d
- # on start @T[0]=(c^d)&b
- return &body_20_39() if ($rx==19); $rx++;
-
- use integer;
- my ($k,$n);
- my @r=(
+my @body_00_19 = (
'($a,$b,$c,$d,$e)=@V;'.
'&$_ror ($b,$j?7:2);', # $b>>>2
'&xor (@T[0],$d);',
'&xor ($b,$c);', # restore $b
'&add ($e,$a);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
);
+
+sub body_00_19 () { # ((c^d)&b)^d
+ # on start @T[0]=(c^d)&b
+ return &body_20_39() if ($rx==19); $rx++;
+
+ use integer;
+ my ($k,$n);
+ my @r=@body_00_19;
+
$n = scalar(@r);
$k = (($jj+1)*12/20)*20*$n/12; # 12 aesencs per these 20 rounds
@r[$k%$n].='&$aesenc();' if ($jj==$k/$n);
$jj++;
+
return @r;
}
-sub body_20_39 () { # b^d^c
- # on entry @T[0]=b^d
- return &body_40_59() if ($rx==39); $rx++;
-
- use integer;
- my ($k,$n);
- my @r=(
+my @body_20_39 = (
'($a,$b,$c,$d,$e)=@V;'.
'&add ($e,eval(4*($j&15))."(%rsp)");',# X[]+K xfer
'&xor (@T[0],$d) if($j==19);'.
'&$_ror ($b,7);', # $b>>>2
'&add ($e,$a);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
);
+
+sub body_20_39 () { # b^d^c
+ # on entry @T[0]=b^d
+ return &body_40_59() if ($rx==39); $rx++;
+
+ use integer;
+ my ($k,$n);
+ my @r=@body_20_39;
+
$n = scalar(@r);
$k = (($jj+1)*8/20)*20*$n/8; # 8 aesencs per these 20 rounds
@r[$k%$n].='&$aesenc();' if ($jj==$k/$n && $rx!=20);
$jj++;
+
return @r;
}
-sub body_40_59 () { # ((b^c)&(c^d))^c
- # on entry @T[0]=(b^c), (c^=d)
- $rx++;
-
- use integer;
- my ($k,$n);
- my @r=(
+my @body_40_59 = (
'($a,$b,$c,$d,$e)=@V;'.
'&add ($e,eval(4*($j&15))."(%rsp)");',# X[]+K xfer
'&and (@T[0],$c) if ($j>=40);', # (b^c)&(c^d)
'&xor ($b,$c) if ($j< 59);', # c^d for next round
'&add ($e,$a);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
);
+
+sub body_40_59 () { # ((b^c)&(c^d))^c
+ # on entry @T[0]=(b^c), (c^=d)
+ $rx++;
+
+ use integer;
+ my ($k,$n);
+ my @r=@body_40_59;
+
$n = scalar(@r);
$k=(($jj+1)*12/20)*20*$n/12; # 12 aesencs per these 20 rounds
@r[$k%$n].='&$aesenc();' if ($jj==$k/$n && $rx!=40);
$jj++;
+
return @r;
}
$code.=<<___;
-.align 16
+.align 32
.Loop_ssse3:
___
&Xupdate_ssse3_16_31(\&body_00_19);
&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"
+ &Xuplast_ssse3_80(\&body_20_39,".Ldone_ssse3"); # can jump to "done"
$saved_j=$j; @saved_V=@V;
$saved_r=$r; @saved_rndkey=@rndkey;
and @T[1],@T[0]
jmp .Loop_ssse3
-.align 16
.Ldone_ssse3:
___
$jj=$j=$saved_j; @V=@saved_V;
.size aesni_cbc_sha1_enc_ssse3,.-aesni_cbc_sha1_enc_ssse3
___
-$j=$jj=$r=$sn=$rx=0;
+ if ($stitched_decrypt) {{{
+# reset
+($in0,$out,$len,$key,$ivp,$ctx,$inp)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9","%r10");
+$j=$jj=$r=$rx=0;
+$Xi=4;
+
+# reassign for Atom Silvermont (see above)
+($inout0,$inout1,$inout2,$inout3,$rndkey0)=map("%xmm$_",(0..4));
+@X=map("%xmm$_",(8..13,6,7));
+@Tx=map("%xmm$_",(14,15,5));
+
+my @aes256_dec = (
+ '&movdqu($inout0,"0x00($in0)");',
+ '&movdqu($inout1,"0x10($in0)"); &pxor ($inout0,$rndkey0);',
+ '&movdqu($inout2,"0x20($in0)"); &pxor ($inout1,$rndkey0);',
+ '&movdqu($inout3,"0x30($in0)"); &pxor ($inout2,$rndkey0);',
+
+ '&pxor ($inout3,$rndkey0); &movups ($rndkey0,"16-112($key)");',
+ '&movaps("64(%rsp)",@X[2]);', # save IV, originally @X[3]
+ undef,undef
+ );
+for ($i=0;$i<13;$i++) {
+ push (@aes256_dec,(
+ '&aesdec ($inout0,$rndkey0);',
+ '&aesdec ($inout1,$rndkey0);',
+ '&aesdec ($inout2,$rndkey0);',
+ '&aesdec ($inout3,$rndkey0); &movups($rndkey0,"'.(16*($i+2)-112).'($key)");'
+ ));
+ push (@aes256_dec,(undef,undef)) if (($i>=3 && $i<=5) || $i>=11);
+ push (@aes256_dec,(undef,undef)) if ($i==5);
+}
+push(@aes256_dec,(
+ '&aesdeclast ($inout0,$rndkey0); &movups (@X[0],"0x00($in0)");',
+ '&aesdeclast ($inout1,$rndkey0); &movups (@X[1],"0x10($in0)");',
+ '&aesdeclast ($inout2,$rndkey0); &movups (@X[2],"0x20($in0)");',
+ '&aesdeclast ($inout3,$rndkey0); &movups (@X[3],"0x30($in0)");',
+
+ '&xorps ($inout0,"64(%rsp)"); &movdqu ($rndkey0,"-112($key)");',
+ '&xorps ($inout1,@X[0]); &movups ("0x00($out,$in0)",$inout0);',
+ '&xorps ($inout2,@X[1]); &movups ("0x10($out,$in0)",$inout1);',
+ '&xorps ($inout3,@X[2]); &movups ("0x20($out,$in0)",$inout2);',
+
+ '&movups ("0x30($out,$in0)",$inout3);'
+ ));
+
+sub body_00_19_dec () { # ((c^d)&b)^d
+ # on start @T[0]=(c^d)&b
+ return &body_20_39_dec() if ($rx==19);
+
+ my @r=@body_00_19;
+
+ unshift (@r,@aes256_dec[$rx]) if (@aes256_dec[$rx]);
+ $rx++;
+
+ return @r;
+}
+
+sub body_20_39_dec () { # b^d^c
+ # on entry @T[0]=b^d
+ return &body_40_59_dec() if ($rx==39);
+
+ my @r=@body_20_39;
+
+ unshift (@r,@aes256_dec[$rx]) if (@aes256_dec[$rx]);
+ $rx++;
+
+ return @r;
+}
+
+sub body_40_59_dec () { # ((b^c)&(c^d))^c
+ # on entry @T[0]=(b^c), (c^=d)
+
+ my @r=@body_40_59;
+
+ unshift (@r,@aes256_dec[$rx]) if (@aes256_dec[$rx]);
+ $rx++;
+
+ return @r;
+}
+
+$code.=<<___;
+.globl aesni256_cbc_sha1_dec
+.type aesni256_cbc_sha1_dec,\@abi-omnipotent
+.align 32
+aesni256_cbc_sha1_dec:
+ # caller should check for SSSE3 and AES-NI bits
+ mov OPENSSL_ia32cap_P+0(%rip),%r10d
+ mov OPENSSL_ia32cap_P+4(%rip),%r11d
+___
+$code.=<<___ if ($avx);
+ and \$`1<<28`,%r11d # mask AVX bit
+ and \$`1<<30`,%r10d # mask "Intel CPU" bit
+ or %r11d,%r10d
+ cmp \$`1<<28|1<<30`,%r10d
+ je aesni256_cbc_sha1_dec_avx
+___
+$code.=<<___;
+ jmp aesni256_cbc_sha1_dec_ssse3
+ ret
+.size aesni256_cbc_sha1_dec,.-aesni256_cbc_sha1_dec
+
+.type aesni256_cbc_sha1_dec_ssse3,\@function,6
+.align 32
+aesni256_cbc_sha1_dec_ssse3:
+ mov `($win64?56:8)`(%rsp),$inp # load 7th argument
+ push %rbx
+ push %rbp
+ push %r12
+ push %r13
+ push %r14
+ push %r15
+ lea `-104-($win64?10*16:0)`(%rsp),%rsp
+___
+$code.=<<___ if ($win64);
+ movaps %xmm6,96+0(%rsp)
+ movaps %xmm7,96+16(%rsp)
+ movaps %xmm8,96+32(%rsp)
+ movaps %xmm9,96+48(%rsp)
+ movaps %xmm10,96+64(%rsp)
+ movaps %xmm11,96+80(%rsp)
+ movaps %xmm12,96+96(%rsp)
+ movaps %xmm13,96+112(%rsp)
+ movaps %xmm14,96+128(%rsp)
+ movaps %xmm15,96+144(%rsp)
+.Lprologue_dec_ssse3:
+___
+$code.=<<___;
+ mov $in0,%r12 # reassign arguments
+ mov $out,%r13
+ mov $len,%r14
+ lea 112($key),%r15 # size optimization
+ movdqu ($ivp),@X[3] # load IV
+ #mov $ivp,88(%rsp) # save $ivp
+___
+($in0,$out,$len,$key)=map("%r$_",(12..15)); # reassign arguments
+$code.=<<___;
+ shl \$6,$len
+ sub $in0,$out
+ add $inp,$len # end of input
+
+ 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
+ mov $C,@T[1]
+ xor $D,@T[1]
+ and @T[1],@T[0]
+
+ movdqa 64($K_XX_XX),@Tx[2] # pbswap mask
+ movdqa 0($K_XX_XX),@Tx[1] # K_00_19
+ movdqu 0($inp),@X[-4&7] # load input to %xmm[0-3]
+ movdqu 16($inp),@X[-3&7]
+ movdqu 32($inp),@X[-2&7]
+ movdqu 48($inp),@X[-1&7]
+ pshufb @Tx[2],@X[-4&7] # byte swap
+ add \$64,$inp
+ pshufb @Tx[2],@X[-3&7]
+ pshufb @Tx[2],@X[-2&7]
+ pshufb @Tx[2],@X[-1&7]
+ paddd @Tx[1],@X[-4&7] # add K_00_19
+ paddd @Tx[1],@X[-3&7]
+ paddd @Tx[1],@X[-2&7]
+ movdqa @X[-4&7],0(%rsp) # X[]+K xfer to IALU
+ psubd @Tx[1],@X[-4&7] # restore X[]
+ movdqa @X[-3&7],16(%rsp)
+ psubd @Tx[1],@X[-3&7]
+ movdqa @X[-2&7],32(%rsp)
+ psubd @Tx[1],@X[-2&7]
+ movdqu -112($key),$rndkey0 # $key[0]
+ jmp .Loop_dec_ssse3
+
+.align 32
+.Loop_dec_ssse3:
+___
+ &Xupdate_ssse3_16_31(\&body_00_19_dec);
+ &Xupdate_ssse3_16_31(\&body_00_19_dec);
+ &Xupdate_ssse3_16_31(\&body_00_19_dec);
+ &Xupdate_ssse3_16_31(\&body_00_19_dec);
+ &Xupdate_ssse3_32_79(\&body_00_19_dec);
+ &Xupdate_ssse3_32_79(\&body_20_39_dec);
+ &Xupdate_ssse3_32_79(\&body_20_39_dec);
+ &Xupdate_ssse3_32_79(\&body_20_39_dec);
+ &Xupdate_ssse3_32_79(\&body_20_39_dec);
+ &Xupdate_ssse3_32_79(\&body_20_39_dec);
+ &Xupdate_ssse3_32_79(\&body_40_59_dec);
+ &Xupdate_ssse3_32_79(\&body_40_59_dec);
+ &Xupdate_ssse3_32_79(\&body_40_59_dec);
+ &Xupdate_ssse3_32_79(\&body_40_59_dec);
+ &Xupdate_ssse3_32_79(\&body_40_59_dec);
+ &Xupdate_ssse3_32_79(\&body_20_39_dec);
+ &Xuplast_ssse3_80(\&body_20_39_dec,".Ldone_dec_ssse3"); # can jump to "done"
+
+ $saved_j=$j; @saved_V=@V;
+ $saved_rx=$rx;
+
+ &Xloop_ssse3(\&body_20_39_dec);
+ &Xloop_ssse3(\&body_20_39_dec);
+ &Xloop_ssse3(\&body_20_39_dec);
+
+ eval(@aes256_dec[-1]); # last store
+$code.=<<___;
+ lea 64($in0),$in0
+
+ add 0($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 $C,@T[1]
+ mov $D,12($ctx)
+ xor $D,@T[1]
+ mov $E,16($ctx)
+ and @T[1],@T[0]
+ jmp .Loop_dec_ssse3
+
+.Ldone_dec_ssse3:
+___
+ $jj=$j=$saved_j; @V=@saved_V;
+ $rx=$saved_rx;
+
+ &Xtail_ssse3(\&body_20_39_dec);
+ &Xtail_ssse3(\&body_20_39_dec);
+ &Xtail_ssse3(\&body_20_39_dec);
+
+ eval(@aes256_dec[-1]); # last store
+$code.=<<___;
+ add 0($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)
+ movups @X[3],($ivp) # write IV
+___
+$code.=<<___ if ($win64);
+ movaps 96+0(%rsp),%xmm6
+ movaps 96+16(%rsp),%xmm7
+ movaps 96+32(%rsp),%xmm8
+ movaps 96+48(%rsp),%xmm9
+ movaps 96+64(%rsp),%xmm10
+ movaps 96+80(%rsp),%xmm11
+ movaps 96+96(%rsp),%xmm12
+ movaps 96+112(%rsp),%xmm13
+ movaps 96+128(%rsp),%xmm14
+ movaps 96+144(%rsp),%xmm15
+___
+$code.=<<___;
+ lea `104+($win64?10*16:0)`(%rsp),%rsi
+ mov 0(%rsi),%r15
+ mov 8(%rsi),%r14
+ mov 16(%rsi),%r13
+ mov 24(%rsi),%r12
+ mov 32(%rsi),%rbp
+ mov 40(%rsi),%rbx
+ lea 48(%rsi),%rsp
+.Lepilogue_dec_ssse3:
+ ret
+.size aesni256_cbc_sha1_dec_ssse3,.-aesni256_cbc_sha1_dec_ssse3
+___
+ }}}
+$j=$jj=$r=$rx=0;
if ($avx) {
my ($in0,$out,$len,$key,$ivp,$ctx,$inp)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9","%r10");
my @Tx=map("%xmm$_",(8..10));
my @V=($A,$B,$C,$D,$E)=("%eax","%ebx","%ecx","%edx","%ebp"); # size optimization
my @T=("%esi","%edi");
-my ($iv,$in,$rndkey0)=map("%xmm$_",(11..13));
+my ($rndkey0,$iv,$in)=map("%xmm$_",(11..13));
my @rndkey=("%xmm14","%xmm15");
-my $Kx=$rndkey0;
+my ($inout0,$inout1,$inout2,$inout3)=map("%xmm$_",(12..15)); # for dec
+my $Kx=@Tx[2];
my $_rol=sub { &shld(@_[0],@_) };
my $_ror=sub { &shrd(@_[0],@_) };
$code.=<<___;
.type aesni_cbc_sha1_enc_avx,\@function,6
-.align 16
+.align 32
aesni_cbc_sha1_enc_avx:
mov `($win64?56:8)`(%rsp),$inp # load 7th argument
#shr \$6,$len # debugging artefact
mov $in0,%r12 # reassign arguments
mov $out,%r13
mov $len,%r14
- mov $key,%r15
+ lea 112($key),%r15 # size optimization
vmovdqu ($ivp),$iv # load IV
mov $ivp,88(%rsp) # save $ivp
___
-my ($in0,$out,$len,$key)=map("%r$_",(12..15)); # reassign arguments
+($in0,$out,$len,$key)=map("%r$_",(12..15)); # reassign arguments
my $rounds="${ivp}d";
$code.=<<___;
shl \$6,$len
sub $in0,$out
- mov 240($key),$rounds
- add \$112,$key # size optimization
+ mov 240-112($key),$rounds
add $inp,$len # end of input
lea K_XX_XX(%rip),$K_XX_XX
my ($n,$k)=($r/10,$r%10);
if ($k==0) {
$code.=<<___;
- vmovups `16*$n`($in0),$in # load input
- vxorps $rndkey[1],$in,$in
+ vmovdqu `16*$n`($in0),$in # load input
+ vpxor $rndkey[1],$in,$in
___
$code.=<<___ if ($n);
vmovups $iv,`16*($n-1)`($out,$in0) # write output
___
$code.=<<___;
- vxorps $in,$iv,$iv
+ vpxor $in,$iv,$iv
vaesenc $rndkey[0],$iv,$iv
vmovups `32+16*$k-112`($key),$rndkey[1]
___
eval(shift(@insns));
eval(shift(@insns));
- &vpslldq(@Tx[2],@X[0],12); # "X[0]"<<96, extract one dword
+ &vpslldq(@Tx[1],@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
+ &vpsrld (@Tx[0],@Tx[1],30);
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]);
+ &vpslld (@Tx[1],@Tx[1],2);
+ &vpxor (@X[0],@X[0],@Tx[0]);
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
+ &vpxor (@X[0],@X[0],@Tx[1]); # "X[0]"^=("X[0]">>96)<<<2
eval(shift(@insns));
eval(shift(@insns));
&vmovdqa ($Kx,eval(16*(($Xi)/5))."($K_XX_XX)") if ($Xi%5==0); # K_XX_XX
foreach (@insns) { eval; } # remaining instructions
&cmp ($inp,$len);
- &je (".Ldone_avx");
-
- unshift(@Tx,pop(@Tx));
+ &je (shift);
- &vmovdqa(@X[2],"64($K_XX_XX)"); # pbswap mask
+ &vmovdqa(@Tx[1],"64($K_XX_XX)"); # pbswap mask
&vmovdqa($Kx,"0($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
+ &vpshufb(@X[-4&7],@X[-4&7],@Tx[1]); # byte swap
&add ($inp,64);
$Xi=0;
eval(shift(@insns));
eval(shift(@insns));
- &vpshufb(@X[($Xi-3)&7],@X[($Xi-3)&7],@X[2]);
+ &vpshufb(@X[($Xi-3)&7],@X[($Xi-3)&7],@Tx[1]);
eval(shift(@insns));
eval(shift(@insns));
- &vpaddd (@X[$Xi&7],@X[($Xi-4)&7],$Kx);
+ &vpaddd (@Tx[0],@X[($Xi-4)&7],$Kx);
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
+ &vmovdqa(eval(16*$Xi)."(%rsp)",@Tx[0]); # X[]+K xfer to IALU
eval(shift(@insns));
eval(shift(@insns));
}
$code.=<<___;
-.align 16
+.align 32
.Loop_avx:
___
&Xupdate_avx_16_31(\&body_00_19);
&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"
+ &Xuplast_avx_80(\&body_20_39,".Ldone_avx"); # can jump to "done"
$saved_j=$j; @saved_V=@V;
$saved_r=$r; @saved_rndkey=@rndkey;
and @T[1],@T[0]
jmp .Loop_avx
-.align 16
.Ldone_avx:
___
$jj=$j=$saved_j; @V=@saved_V;
ret
.size aesni_cbc_sha1_enc_avx,.-aesni_cbc_sha1_enc_avx
___
+
+ if ($stitched_decrypt) {{{
+# reset
+($in0,$out,$len,$key,$ivp,$ctx,$inp)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9","%r10");
+
+$j=$jj=$r=$rx=0;
+$Xi=4;
+
+@aes256_dec = (
+ '&vpxor ($inout0,$rndkey0,"0x00($in0)");',
+ '&vpxor ($inout1,$rndkey0,"0x10($in0)");',
+ '&vpxor ($inout2,$rndkey0,"0x20($in0)");',
+ '&vpxor ($inout3,$rndkey0,"0x30($in0)");',
+
+ '&vmovups($rndkey0,"16-112($key)");',
+ '&vmovups("64(%rsp)",@X[2]);', # save IV, originally @X[3]
+ undef,undef
+ );
+for ($i=0;$i<13;$i++) {
+ push (@aes256_dec,(
+ '&vaesdec ($inout0,$inout0,$rndkey0);',
+ '&vaesdec ($inout1,$inout1,$rndkey0);',
+ '&vaesdec ($inout2,$inout2,$rndkey0);',
+ '&vaesdec ($inout3,$inout3,$rndkey0); &vmovups($rndkey0,"'.(16*($i+2)-112).'($key)");'
+ ));
+ push (@aes256_dec,(undef,undef)) if (($i>=3 && $i<=5) || $i>=11);
+ push (@aes256_dec,(undef,undef)) if ($i==5);
+}
+push(@aes256_dec,(
+ '&vaesdeclast ($inout0,$inout0,$rndkey0); &vmovups(@X[0],"0x00($in0)");',
+ '&vaesdeclast ($inout1,$inout1,$rndkey0); &vmovups(@X[1],"0x10($in0)");',
+ '&vaesdeclast ($inout2,$inout2,$rndkey0); &vmovups(@X[2],"0x20($in0)");',
+ '&vaesdeclast ($inout3,$inout3,$rndkey0); &vmovups(@X[3],"0x30($in0)");',
+
+ '&vxorps ($inout0,$inout0,"64(%rsp)"); &vmovdqu($rndkey0,"-112($key)");',
+ '&vxorps ($inout1,$inout1,@X[0]); &vmovups("0x00($out,$in0)",$inout0);',
+ '&vxorps ($inout2,$inout2,@X[1]); &vmovups("0x10($out,$in0)",$inout1);',
+ '&vxorps ($inout3,$inout3,@X[2]); &vmovups("0x20($out,$in0)",$inout2);',
+
+ '&vmovups ("0x30($out,$in0)",$inout3);'
+ ));
+
+$code.=<<___;
+.type aesni256_cbc_sha1_dec_avx,\@function,6
+.align 32
+aesni256_cbc_sha1_dec_avx:
+ mov `($win64?56:8)`(%rsp),$inp # load 7th argument
+ push %rbx
+ push %rbp
+ push %r12
+ push %r13
+ push %r14
+ push %r15
+ lea `-104-($win64?10*16:0)`(%rsp),%rsp
+___
+$code.=<<___ if ($win64);
+ movaps %xmm6,96+0(%rsp)
+ movaps %xmm7,96+16(%rsp)
+ movaps %xmm8,96+32(%rsp)
+ movaps %xmm9,96+48(%rsp)
+ movaps %xmm10,96+64(%rsp)
+ movaps %xmm11,96+80(%rsp)
+ movaps %xmm12,96+96(%rsp)
+ movaps %xmm13,96+112(%rsp)
+ movaps %xmm14,96+128(%rsp)
+ movaps %xmm15,96+144(%rsp)
+.Lprologue_dec_avx:
+___
+$code.=<<___;
+ vzeroall
+ mov $in0,%r12 # reassign arguments
+ mov $out,%r13
+ mov $len,%r14
+ lea 112($key),%r15 # size optimization
+ vmovdqu ($ivp),@X[3] # load IV
+___
+($in0,$out,$len,$key)=map("%r$_",(12..15)); # reassign arguments
+$code.=<<___;
+ shl \$6,$len
+ sub $in0,$out
+ add $inp,$len # end of input
+
+ 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
+ mov $C,@T[1]
+ xor $D,@T[1]
+ and @T[1],@T[0]
+
+ vmovdqa 64($K_XX_XX),@X[2] # pbswap mask
+ vmovdqa 0($K_XX_XX),$Kx # 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 $Kx,@X[-4&7],@X[0] # add K_00_19
+ vpaddd $Kx,@X[-3&7],@X[1]
+ vpaddd $Kx,@X[-2&7],@X[2]
+ vmovdqa @X[0],0(%rsp) # X[]+K xfer to IALU
+ vmovdqa @X[1],16(%rsp)
+ vmovdqa @X[2],32(%rsp)
+ vmovups -112($key),$rndkey0 # $key[0]
+ jmp .Loop_dec_avx
+
+.align 32
+.Loop_dec_avx:
+___
+ &Xupdate_avx_16_31(\&body_00_19_dec);
+ &Xupdate_avx_16_31(\&body_00_19_dec);
+ &Xupdate_avx_16_31(\&body_00_19_dec);
+ &Xupdate_avx_16_31(\&body_00_19_dec);
+ &Xupdate_avx_32_79(\&body_00_19_dec);
+ &Xupdate_avx_32_79(\&body_20_39_dec);
+ &Xupdate_avx_32_79(\&body_20_39_dec);
+ &Xupdate_avx_32_79(\&body_20_39_dec);
+ &Xupdate_avx_32_79(\&body_20_39_dec);
+ &Xupdate_avx_32_79(\&body_20_39_dec);
+ &Xupdate_avx_32_79(\&body_40_59_dec);
+ &Xupdate_avx_32_79(\&body_40_59_dec);
+ &Xupdate_avx_32_79(\&body_40_59_dec);
+ &Xupdate_avx_32_79(\&body_40_59_dec);
+ &Xupdate_avx_32_79(\&body_40_59_dec);
+ &Xupdate_avx_32_79(\&body_20_39_dec);
+ &Xuplast_avx_80(\&body_20_39_dec,".Ldone_dec_avx"); # can jump to "done"
+
+ $saved_j=$j; @saved_V=@V;
+ $saved_rx=$rx;
+
+ &Xloop_avx(\&body_20_39_dec);
+ &Xloop_avx(\&body_20_39_dec);
+ &Xloop_avx(\&body_20_39_dec);
+
+ eval(@aes256_dec[-1]); # last store
+$code.=<<___;
+ lea 64($in0),$in0
+
+ add 0($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 $C,@T[1]
+ mov $D,12($ctx)
+ xor $D,@T[1]
+ mov $E,16($ctx)
+ and @T[1],@T[0]
+ jmp .Loop_dec_avx
+
+.Ldone_dec_avx:
+___
+ $jj=$j=$saved_j; @V=@saved_V;
+ $rx=$saved_rx;
+
+ &Xtail_avx(\&body_20_39_dec);
+ &Xtail_avx(\&body_20_39_dec);
+ &Xtail_avx(\&body_20_39_dec);
+
+ eval(@aes256_dec[-1]); # last store
+$code.=<<___;
+
+ add 0($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)
+ vmovups @X[3],($ivp) # write IV
+ vzeroall
+___
+$code.=<<___ if ($win64);
+ movaps 96+0(%rsp),%xmm6
+ movaps 96+16(%rsp),%xmm7
+ movaps 96+32(%rsp),%xmm8
+ movaps 96+48(%rsp),%xmm9
+ movaps 96+64(%rsp),%xmm10
+ movaps 96+80(%rsp),%xmm11
+ movaps 96+96(%rsp),%xmm12
+ movaps 96+112(%rsp),%xmm13
+ movaps 96+128(%rsp),%xmm14
+ movaps 96+144(%rsp),%xmm15
+___
+$code.=<<___;
+ lea `104+($win64?10*16:0)`(%rsp),%rsi
+ mov 0(%rsi),%r15
+ mov 8(%rsi),%r14
+ mov 16(%rsi),%r13
+ mov 24(%rsi),%r12
+ mov 32(%rsi),%rbp
+ mov 40(%rsi),%rbx
+ lea 48(%rsi),%rsp
+.Lepilogue_dec_avx:
+ ret
+.size aesni256_cbc_sha1_dec_avx,.-aesni256_cbc_sha1_dec_avx
+___
+ }}}
}
$code.=<<___;
.align 64
.long 0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc # K_40_59
.long 0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6 # K_60_79
.long 0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f # pbswap mask
+.byte 0xf,0xe,0xd,0xc,0xb,0xa,0x9,0x8,0x7,0x6,0x5,0x4,0x3,0x2,0x1,0x0
.asciz "AESNI-CBC+SHA1 stitch for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
.align 64
___
+ if ($shaext) {{{
+($in0,$out,$len,$key,$ivp,$ctx,$inp)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9","%r10");
+
+$rounds="%r11d";
+
+($iv,$in,$rndkey0)=map("%xmm$_",(2,14,15));
+@rndkey=("%xmm0","%xmm1");
+$r=0;
+
+my ($BSWAP,$ABCD,$E,$E_,$ABCD_SAVE,$E_SAVE)=map("%xmm$_",(7..12));
+my @MSG=map("%xmm$_",(3..6));
+
+$code.=<<___;
+.type aesni_cbc_sha1_enc_shaext,\@function,6
+.align 32
+aesni_cbc_sha1_enc_shaext:
+ mov `($win64?56:8)`(%rsp),$inp # load 7th argument
+___
+$code.=<<___ if ($win64);
+ lea `-8-10*16`(%rsp),%rsp
+ movaps %xmm6,-8-10*16(%rax)
+ movaps %xmm7,-8-9*16(%rax)
+ movaps %xmm8,-8-8*16(%rax)
+ movaps %xmm9,-8-7*16(%rax)
+ movaps %xmm10,-8-6*16(%rax)
+ movaps %xmm11,-8-5*16(%rax)
+ movaps %xmm12,-8-4*16(%rax)
+ movaps %xmm13,-8-3*16(%rax)
+ movaps %xmm14,-8-2*16(%rax)
+ movaps %xmm15,-8-1*16(%rax)
+.Lprologue_shaext:
+___
+$code.=<<___;
+ movdqu ($ctx),$ABCD
+ movd 16($ctx),$E
+ movdqa K_XX_XX+0x50(%rip),$BSWAP # byte-n-word swap
+
+ mov 240($key),$rounds
+ sub $in0,$out
+ movups ($key),$rndkey0 # $key[0]
+ movups 16($key),$rndkey[0] # forward reference
+ lea 112($key),$key # size optimization
+
+ pshufd \$0b00011011,$ABCD,$ABCD # flip word order
+ pshufd \$0b00011011,$E,$E # flip word order
+ jmp .Loop_shaext
+.align 16
+.Loop_shaext:
+___
+ &$aesenc();
+$code.=<<___;
+ movdqu ($inp),@MSG[0]
+ movdqa $E,$E_SAVE # offload $E
+ pshufb $BSWAP,@MSG[0]
+ movdqu 0x10($inp),@MSG[1]
+ movdqa $ABCD,$ABCD_SAVE # offload $ABCD
+___
+ &$aesenc();
+$code.=<<___;
+ pshufb $BSWAP,@MSG[1]
+
+ paddd @MSG[0],$E
+ movdqu 0x20($inp),@MSG[2]
+ lea 0x40($inp),$inp
+ pxor $E_SAVE,@MSG[0] # black magic
+___
+ &$aesenc();
+$code.=<<___;
+ pxor $E_SAVE,@MSG[0] # black magic
+ movdqa $ABCD,$E_
+ pshufb $BSWAP,@MSG[2]
+ sha1rnds4 \$0,$E,$ABCD # 0-3
+ sha1nexte @MSG[1],$E_
+___
+ &$aesenc();
+$code.=<<___;
+ sha1msg1 @MSG[1],@MSG[0]
+ movdqu -0x10($inp),@MSG[3]
+ movdqa $ABCD,$E
+ pshufb $BSWAP,@MSG[3]
+___
+ &$aesenc();
+$code.=<<___;
+ sha1rnds4 \$0,$E_,$ABCD # 4-7
+ sha1nexte @MSG[2],$E
+ pxor @MSG[2],@MSG[0]
+ sha1msg1 @MSG[2],@MSG[1]
+___
+ &$aesenc();
+
+for($i=2;$i<20-4;$i++) {
+$code.=<<___;
+ movdqa $ABCD,$E_
+ sha1rnds4 \$`int($i/5)`,$E,$ABCD # 8-11
+ sha1nexte @MSG[3],$E_
+___
+ &$aesenc();
+$code.=<<___;
+ sha1msg2 @MSG[3],@MSG[0]
+ pxor @MSG[3],@MSG[1]
+ sha1msg1 @MSG[3],@MSG[2]
+___
+ ($E,$E_)=($E_,$E);
+ push(@MSG,shift(@MSG));
+
+ &$aesenc();
+}
+$code.=<<___;
+ movdqa $ABCD,$E_
+ sha1rnds4 \$3,$E,$ABCD # 64-67
+ sha1nexte @MSG[3],$E_
+ sha1msg2 @MSG[3],@MSG[0]
+ pxor @MSG[3],@MSG[1]
+___
+ &$aesenc();
+$code.=<<___;
+ movdqa $ABCD,$E
+ sha1rnds4 \$3,$E_,$ABCD # 68-71
+ sha1nexte @MSG[0],$E
+ sha1msg2 @MSG[0],@MSG[1]
+___
+ &$aesenc();
+$code.=<<___;
+ movdqa $E_SAVE,@MSG[0]
+ movdqa $ABCD,$E_
+ sha1rnds4 \$3,$E,$ABCD # 72-75
+ sha1nexte @MSG[1],$E_
+___
+ &$aesenc();
+$code.=<<___;
+ movdqa $ABCD,$E
+ sha1rnds4 \$3,$E_,$ABCD # 76-79
+ sha1nexte $MSG[0],$E
+___
+ while($r<40) { &$aesenc(); } # remaining aesenc's
+$code.=<<___;
+ dec $len
+
+ paddd $ABCD_SAVE,$ABCD
+ movups $iv,48($out,$in0) # write output
+ lea 64($in0),$in0
+ jnz .Loop_shaext
+
+ pshufd \$0b00011011,$ABCD,$ABCD
+ pshufd \$0b00011011,$E,$E
+ movups $iv,($ivp) # write IV
+ movdqu $ABCD,($ctx)
+ movd $E,16($ctx)
+___
+$code.=<<___ if ($win64);
+ movaps -8-10*16(%rax),%xmm6
+ movaps -8-9*16(%rax),%xmm7
+ movaps -8-8*16(%rax),%xmm8
+ movaps -8-7*16(%rax),%xmm9
+ movaps -8-6*16(%rax),%xmm10
+ movaps -8-5*16(%rax),%xmm11
+ movaps -8-4*16(%rax),%xmm12
+ movaps -8-3*16(%rax),%xmm13
+ movaps -8-2*16(%rax),%xmm14
+ movaps -8-1*16(%rax),%xmm15
+ mov %rax,%rsp
+.Lepilogue_shaext:
+___
+$code.=<<___;
+ ret
+.size aesni_cbc_sha1_enc_shaext,.-aesni_cbc_sha1_enc_shaext
+___
+ }}}
# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
# CONTEXT *context,DISPATCHER_CONTEXT *disp)
if ($win64) {
lea (%rsi,%r10),%r10 # epilogue label
cmp %r10,%rbx # context->Rip>=epilogue label
jae .Lcommon_seh_tail
+___
+$code.=<<___ if ($shaext);
+ lea aesni_cbc_sha1_enc_shaext(%rip),%r10
+ cmp %r10,%rbx
+ jb .Lseh_no_shaext
+ lea (%rax),%rsi
+ lea 512($context),%rdi # &context.Xmm6
+ mov \$20,%ecx
+ .long 0xa548f3fc # cld; rep movsq
+ lea 168(%rax),%rax # adjust stack pointer
+ jmp .Lcommon_seh_tail
+.Lseh_no_shaext:
+___
+$code.=<<___;
lea 96(%rax),%rsi
lea 512($context),%rdi # &context.Xmm6
mov \$20,%ecx
.rva .LSEH_end_aesni_cbc_sha1_enc_avx
.rva .LSEH_info_aesni_cbc_sha1_enc_avx
___
+$code.=<<___ if ($shaext);
+ .rva .LSEH_begin_aesni_cbc_sha1_enc_shaext
+ .rva .LSEH_end_aesni_cbc_sha1_enc_shaext
+ .rva .LSEH_info_aesni_cbc_sha1_enc_shaext
+___
$code.=<<___;
.section .xdata
.align 8
.rva ssse3_handler
.rva .Lprologue_avx,.Lepilogue_avx # HandlerData[]
___
+$code.=<<___ if ($shaext);
+.LSEH_info_aesni_cbc_sha1_enc_shaext:
+ .byte 9,0,0,0
+ .rva ssse3_handler
+ .rva .Lprologue_shaext,.Lepilogue_shaext # HandlerData[]
+___
}
####################################################################
$rex|=0x04 if($dst>=8);
$rex|=0x01 if($src>=8);
- push @opcode,$rex|0x40 if($rex);
+ unshift @opcode,$rex|0x40 if($rex);
+}
+
+sub sha1rnds4 {
+ if (@_[0] =~ /\$([x0-9a-f]+),\s*%xmm([0-9]+),\s*%xmm([0-9]+)/) {
+ my @opcode=(0x0f,0x3a,0xcc);
+ rex(\@opcode,$3,$2);
+ push @opcode,0xc0|($2&7)|(($3&7)<<3); # ModR/M
+ my $c=$1;
+ push @opcode,$c=~/^0/?oct($c):$c;
+ return ".byte\t".join(',',@opcode);
+ } else {
+ return "sha1rnds4\t".@_[0];
+ }
+}
+
+sub sha1op38 {
+ my $instr = shift;
+ my %opcodelet = (
+ "sha1nexte" => 0xc8,
+ "sha1msg1" => 0xc9,
+ "sha1msg2" => 0xca );
+
+ if (defined($opcodelet{$instr}) && @_[0] =~ /%xmm([0-9]+),\s*%xmm([0-9]+)/) {
+ my @opcode=(0x0f,0x38);
+ rex(\@opcode,$2,$1);
+ push @opcode,$opcodelet{$instr};
+ push @opcode,0xc0|($1&7)|(($2&7)<<3); # ModR/M
+ return ".byte\t".join(',',@opcode);
+ } else {
+ return $instr."\t".@_[0];
+ }
}
sub aesni {
my $line=shift;
- my @opcode=(0x66);
+ my @opcode=(0x0f,0x38);
if ($line=~/(aes[a-z]+)\s+%xmm([0-9]+),\s*%xmm([0-9]+)/) {
my %opcodelet = (
- "aesenc" => 0xdc, "aesenclast" => 0xdd
+ "aesenc" => 0xdc, "aesenclast" => 0xdd,
+ "aesdec" => 0xde, "aesdeclast" => 0xdf
);
return undef if (!defined($opcodelet{$1}));
rex(\@opcode,$3,$2);
- push @opcode,0x0f,0x38,$opcodelet{$1};
- push @opcode,0xc0|($2&7)|(($3&7)<<3); # ModR/M
+ push @opcode,$opcodelet{$1},0xc0|($2&7)|(($3&7)<<3); # ModR/M
+ unshift @opcode,0x66;
return ".byte\t".join(',',@opcode);
}
return $line;
}
-$code =~ s/\`([^\`]*)\`/eval($1)/gem;
-$code =~ s/\b(aes.*%xmm[0-9]+).*$/aesni($1)/gem;
+foreach (split("\n",$code)) {
+ s/\`([^\`]*)\`/eval $1/geo;
+
+ s/\b(sha1rnds4)\s+(.*)/sha1rnds4($2)/geo or
+ s/\b(sha1[^\s]*)\s+(.*)/sha1op38($1,$2)/geo or
+ s/\b(aes.*%xmm[0-9]+).*$/aesni($1)/geo;
-print $code;
+ print $_,"\n";
+}
close STDOUT;
projects / openssl.git / blobdiff