# 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) 5.98(7.05) +68%(+59%)
+# Westmere 3.77[+5.5] 9.26 6.66 +39%
+# Sandy Bridge 5.05[+5.0(6.2)] 10.06(11.21) 5.98(7.01) +68%(+60%)
# Ivy Bridge 5.05[+4.6] 9.65 5.54 +74%
-# Haswell 4.43[+3.6(4.4)] 8.00(8.80) 4.55(5.21) +75%(+69%)
+# Haswell 4.43[+3.6(4.1)] 8.00(8.55) 4.55(5.21) +75%(+64%)
# 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%)
# Ivy Bridge 6.05 10.65 6.07 +75%
-# Haswell 5.29 8.86(9.65) 5.32(5.32) +67%(+81%)
+# Haswell 5.29 8.86(9.42) 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 10.74 7.24 +48%
+# Sandy Bridge 7.05 12.06(13.21) 7.12(7.63) +69%(+73%)
# Ivy Bridge 7.05 11.65 7.12 +64%
-# Haswell 6.19 9.76(10.6) 6.21(6.41) +57%(+65%)
+# Haswell 6.19 9.76(10.3) 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
# 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%
+
$flavour = shift;
$output = shift;
if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
`ml64 2>&1` =~ /Version ([0-9]+)\./ &&
$1>=10);
+$stitched_decrypt=0;
+
open OUT,"| \"$^X\" $xlate $flavour $output";
*STDOUT=*OUT;
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$_",(2,3,15));
- @rndkey=("%xmm0","%xmm1");
+my ($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
+ @X=map("%xmm$_",(8..15));
+ @Tx=map("%xmm$_",(5..7));
+ ($iv,$in,$rndkey0)=map("%xmm$_",(2..4)); # for enc
+ @rndkey=("%xmm0","%xmm1"); # for enc
+ ($inout0,$inout1,$inout2,$inout3)=map("%xmm$_",(0..3)); # for dec
}
sub AUTOLOAD() # thunk [simplified] 32-bit style perlasm
movdqu ($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
my @insns = (&$body,&$body,&$body,&$body); # 40 instructions
my ($a,$b,$c,$d,$e);
- &movdqa (@X[0],@X[-3&7]);
+ &pshufd (@X[0],@X[-4&7],0xee); # was &movdqa(@X[0],@X[-3&7]);
eval(shift(@insns));
eval(shift(@insns));
&movdqa (@Tx[0],@X[-1&7]);
- &palignr(@X[0],@X[-4&7],8); # compose "X[-14]" in "X[0]"
+ &punpcklqdq(@X[0],@X[-3&7]); # compose "X[-14]" in "X[0]", was &palignr(@X[0],@X[-4&7],8);
eval(shift(@insns));
eval(shift(@insns));
my @insns = (&$body,&$body,&$body,&$body); # 32 to 48 instructions
my ($a,$b,$c,$d,$e);
- &movdqa (@Tx[0],@X[-1&7]) if ($Xi==8);
+ &pshufd (@Tx[0],@X[-2&7],0xee) if ($Xi==8); # was &movdqa (@Tx[0],@X[-1&7])
eval(shift(@insns)); # body_20_39
&pxor (@X[0],@X[-4&7]); # "X[0]"="X[-32]"^"X[-16]"
- &palignr(@Tx[0],@X[-2&7],8); # compose "X[-6]"
+ &punpcklqdq(@Tx[0],@X[-1&7]); # compose "X[-6]", was &palignr(@Tx[0],@X[-2&7],8);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns)); # rol
&por (@X[0],@Tx[0]); # "X[0]"<<<=2
eval(shift(@insns)); # body_20_39
eval(shift(@insns));
- &movdqa (@Tx[1],@X[0]) if ($Xi<19);
+ &pshufd(@Tx[1],@X[-1&7],0xee) if ($Xi<19); # was &movdqa (@Tx[1],@X[0])
eval(shift(@insns));
eval(shift(@insns)); # rol
eval(shift(@insns));
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]);
+ &pshufb (@X[($Xi-3)&7],@Tx[2]);
eval(shift(@insns));
eval(shift(@insns));
&paddd (@X[($Xi-4)&7],@Tx[1]);
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.=<<___;
&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;
.size aesni_cbc_sha1_enc_ssse3,.-aesni_cbc_sha1_enc_ssse3
___
+ if ($stitched_decrypt) {{{
+# reset
+($in0,$out,$len,$key,$ivp,$ctx,$inp)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9","%r10");
+$j=$jj=$r=$sn=$rx=0;
+$Xi=4;
+
+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),@X[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($inp),@X[-1&7]
+ pshufb @X[2],@X[-4&7] # byte swap
+ add \$64,$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
+ 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=$r=$sn=$rx=0;
if ($avx) {
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 $_ror=sub { &shrd(@_[0],@_) };
vmovdqu ($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
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");
+ &je (shift);
- unshift(@Tx,pop(@Tx));
-
- &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));
&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;
ret
.size aesni_cbc_sha1_enc_avx,.-aesni_cbc_sha1_enc_avx
___
+
+ if ($stiched_decrypt) {{{
+# reset
+($in0,$out,$len,$key,$ivp,$ctx,$inp)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9","%r10");
+
+$j=$jj=$r=$sn=$rx=0;
+$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
+___
+ }}}
}
$code.=<<___;
.align 64
if ($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);
projects / oweals / openssl.git / commitdiff