# subroutine:
#
# AES-128-CBC +SHA1 stitch gain
-# 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%)
+# 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(4.1)] 8.00(8.55) 4.55(5.21) +75%(+64%)
+# 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 6.91 +45%
-# Sandy Bridge 6.05 11.06(12.21) 6.11(7.18) +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(9.42) 5.32(5.32) +67%(+77%)
+# 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 7.24 +48%
-# Sandy Bridge 7.05 12.06(13.21) 7.12(7.63) +69%(+73%)
+# 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(10.3) 6.21(6.25) +57%(+65%)
+# 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
# 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; }
`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$_",(11..13));
-my @rndkey=("%xmm14","%xmm15");
+my ($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
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
movdqu 32($inp),@X[-2&7]
movdqu 48($inp),@X[-1&7]
pshufb @Tx[2],@X[-4&7] # byte swap
- add \$64,$inp
pshufb @Tx[2],@X[-3&7]
pshufb @Tx[2],@X[-2&7]
- pshufb @Tx[2],@X[-1&7]
+ add \$64,$inp
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
my @insns = (&$body,&$body,&$body,&$body); # 40 instructions
my ($a,$b,$c,$d,$e);
- &pshufd (@X[0],@X[-4&7],0xee); # was &movdqa(@X[0],@X[-3&7]);
- eval(shift(@insns));
+ eval(shift(@insns)); # ror
+ &pshufd (@X[0],@X[-4&7],0xee); # was &movdqa (@X[0],@X[-3&7]);
eval(shift(@insns));
&movdqa (@Tx[0],@X[-1&7]);
- &punpcklqdq(@X[0],@X[-3&7]); # compose "X[-14]" in "X[0]", was &palignr(@X[0],@X[-4&7],8);
+ &paddd (@Tx[1],@X[-1&7]);
eval(shift(@insns));
eval(shift(@insns));
- &paddd (@Tx[1],@X[-1&7]);
+ &punpcklqdq(@X[0],@X[-3&7]); # compose "X[-14]" in "X[0]", was &palignr(@X[0],@X[-4&7],8);
eval(shift(@insns));
+ eval(shift(@insns)); # rol
eval(shift(@insns));
&psrldq (@Tx[0],4); # "X[-3]", 3 dwords
eval(shift(@insns));
eval(shift(@insns));
+
&pxor (@X[0],@X[-4&7]); # "X[0]"^="X[-16]"
eval(shift(@insns));
- eval(shift(@insns));
-
+ eval(shift(@insns)); # ror
&pxor (@Tx[0],@X[-2&7]); # "X[-3]"^"X[-8]"
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
- eval(shift(@insns));
&pxor (@X[0],@Tx[0]); # "X[0]"^="X[-3]"^"X[-8]"
eval(shift(@insns));
- eval(shift(@insns));
+ eval(shift(@insns)); # rol
&movdqa (eval(16*(($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);
- &pshufd (@Tx[0],@X[-2&7],0xee) if ($Xi==8); # was &movdqa (@Tx[0],@X[-1&7])
- eval(shift(@insns)); # body_20_39
+ eval(shift(@insns)) if ($Xi==8);
&pxor (@X[0],@X[-4&7]); # "X[0]"="X[-32]"^"X[-16]"
- &punpcklqdq(@Tx[0],@X[-1&7]); # compose "X[-6]", was &palignr(@Tx[0],@X[-2&7],8);
+ 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));
+ 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 ($Xi<19); # was &movdqa (@Tx[1],@X[0])
eval(shift(@insns));
eval(shift(@insns)); # rol
my ($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));
eval(shift(@insns));
eval(shift(@insns));
+ 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]);
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));
+ 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.=<<___;
&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;
+
+# 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=$r=$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");
-
- 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));
&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 ($stitched_decrypt) {{{
+# reset
+($in0,$out,$len,$key,$ivp,$ctx,$inp)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9","%r10");
+
+$j=$jj=$r=$sn=$rx=0;
+$Xi=4;
+
+@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,$2);
# Westmere 7.3 5.5/+33% -
# Sandy Bridge 8.8 6.2/+40% 5.1(**)/+73%
# Ivy Bridge 7.2 4.8/+51% 4.7(**)/+53%
+# Haswell 6.5 4.3/+51% 4.1(**)/+58%
# Bulldozer 11.6 6.0/+92%
-# VIA Nano 10.6 7.4/+43%
+# VIA Nano 10.6 7.5/+41%
#
# (*) Loop is 1056 instructions long and expected result is ~8.25.
# It remains mystery [to me] why ILP is limited to 1.7.
&mov (@T[1],$C);
&psubd (@X[-2&7],@X[3]);
&xor (@T[1],$D);
- &movdqa (@X[0],@X[-3&7]);
+ &pshufd (@X[0],@X[-4&7],0xee); # was &movdqa (@X[0],@X[-3&7]);
&and (@T[0],@T[1]);
&jmp (&label("loop"));
my @insns = (&$body,&$body,&$body,&$body); # 40 instructions
my ($a,$b,$c,$d,$e);
+ eval(shift(@insns)); # ror
eval(shift(@insns));
eval(shift(@insns));
- &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);
&movdqa (@X[2],@X[-1&7]);
eval(shift(@insns));
eval(shift(@insns));
&paddd (@X[3],@X[-1&7]);
&movdqa (&QWP(64+16*(($Xi-4)%3),"esp"),@X[-4&7]);# save X[] to backtrace buffer
- eval(shift(@insns));
+ eval(shift(@insns)); # rol
eval(shift(@insns));
&psrldq (@X[2],4); # "X[-3]", 3 dwords
eval(shift(@insns));
eval(shift(@insns));
&pxor (@X[0],@X[-4&7]); # "X[0]"^="X[-16]"
eval(shift(@insns));
- eval(shift(@insns));
+ eval(shift(@insns)); # ror
&pxor (@X[2],@X[-2&7]); # "X[-3]"^"X[-8]"
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
- eval(shift(@insns));
&pxor (@X[0],@X[2]); # "X[0]"^="X[-3]"^"X[-8]"
eval(shift(@insns));
- eval(shift(@insns));
+ eval(shift(@insns)); # rol
&movdqa (&QWP(0+16*(($Xi-1)&3),"esp"),@X[3]); # X[]+K xfer to IALU
eval(shift(@insns));
eval(shift(@insns));
&movdqa (@X[4],@X[0]);
- &movdqa (@X[2],@X[0]);
- eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns)); # ror
+ &movdqa (@X[2],@X[0]);
eval(shift(@insns));
&pslldq (@X[4],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 (@X[2],31);
eval(shift(@insns));
- eval(shift(@insns));
+ eval(shift(@insns)); # rol
&movdqa (@X[3],@X[4]);
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
&psrld (@X[4],30);
- &por (@X[0],@X[2]); # "X[0]"<<<=1
eval(shift(@insns));
+ eval(shift(@insns)); # ror
+ &por (@X[0],@X[2]); # "X[0]"<<<=1
eval(shift(@insns));
&movdqa (@X[2],&QWP(64+16*(($Xi-6)%3),"esp")) if ($Xi>5); # restore X[] from backtrace buffer
eval(shift(@insns));
eval(shift(@insns));
&pslld (@X[3],2);
- &pxor (@X[0],@X[4]);
- eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns)); # rol
+ &pxor (@X[0],@X[4]);
&movdqa (@X[4],&QWP(112-16+16*(($Xi)/5),"esp")); # K_XX_XX
eval(shift(@insns));
eval(shift(@insns));
&pxor (@X[0],@X[3]); # "X[0]"^=("X[0]"<<96)<<<2
- &movdqa (@X[1],@X[-2&7]) if ($Xi<7);
+ &pshufd (@X[1],@X[-3&7],0xee) if ($Xi<7); # was &movdqa (@X[1],@X[-2&7])
+ &pshufd (@X[3],@X[-1&7],0xee) if ($Xi==7);
eval(shift(@insns));
eval(shift(@insns));
my @insns = (&$body,&$body,&$body,&$body); # 32 to 44 instructions
my ($a,$b,$c,$d,$e);
- &movdqa (@X[2],@X[-1&7]) if ($Xi==8);
eval(shift(@insns)); # body_20_39
&pxor (@X[0],@X[-4&7]); # "X[0]"="X[-32]"^"X[-16]"
- &palignr(@X[2],@X[-2&7],8); # compose "X[-6]"
+ &punpcklqdq(@X[2],@X[-1&7]); # compose "X[-6]", was &palignr(@X[2],@X[-2&7],8)
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns)); # rol
&movdqa (&QWP(64+16*(($Xi-4)%3),"esp"),@X[-4&7]); # save X[] to backtrace buffer
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns)) if (@insns[0] =~ /_rol/);
if ($Xi%5) {
&movdqa (@X[4],@X[3]); # "perpetuate" K_XX_XX...
} else { # ... or load next one
&movdqa (@X[4],&QWP(112-16+16*($Xi/5),"esp"));
}
- &paddd (@X[3],@X[-1&7]);
eval(shift(@insns)); # ror
+ &paddd (@X[3],@X[-1&7]);
eval(shift(@insns));
&pxor (@X[0],@X[2]); # "X[0]"^="X[-6]"
eval(shift(@insns));
eval(shift(@insns)); # ror
eval(shift(@insns));
+ eval(shift(@insns)) if (@insns[0] =~ /_rol/);
&pslld (@X[0],2);
eval(shift(@insns)); # body_20_39
eval(shift(@insns));
eval(shift(@insns)); # ror
eval(shift(@insns));
+ eval(shift(@insns)) if (@insns[1] =~ /_rol/);
+ eval(shift(@insns)) if (@insns[0] =~ /_rol/);
&por (@X[0],@X[2]); # "X[0]"<<<=2
eval(shift(@insns)); # body_20_39
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns)); # ror
- &movdqa (@X[3],@X[0]) if ($Xi<19);
+ &pshufd (@X[3],@X[-1],0xee) if ($Xi<19); # was &movdqa (@X[3],@X[0])
eval(shift(@insns));
foreach (@insns) { eval; } # remaining instructions
my @insns = (&$body,&$body,&$body,&$body); # 32 instructions
my ($a,$b,$c,$d,$e);
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
eval(shift(@insns));
&paddd (@X[3],@X[-1&7]);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
&pshufb (@X[($Xi-3)&7],@X[2]);
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
&paddd (@X[($Xi-4)&7],@X[3]);
eval(shift(@insns));
eval(shift(@insns));
&movdqa (&QWP(0+16*$Xi,"esp"),@X[($Xi-4)&7]); # X[]+K xfer to IALU
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
&psubd (@X[($Xi-4)&7],@X[3]);
foreach (@insns) { eval; }
'&add ($e,$a);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
);
}
+######
+sub bodyx_00_19 () { # ((c^d)&b)^d
+ # on start @T[0]=(b&c)^(~b&d), $e+=X[]+K
+ return &bodyx_20_39() if ($rx==19); $rx++;
+ (
+ '($a,$b,$c,$d,$e)=@V;'.
+
+ '&rorx ($b,$b,2) if ($j==0);'. # $b>>>2
+ '&rorx ($b,@T[1],7) if ($j!=0);', # $b>>>2
+ '&lea ($e,&DWP(0,$e,@T[0]));',
+ '&rorx (@T[0],$a,5);',
+
+ '&andn (@T[1],$a,$c);',
+ '&and ($a,$b)',
+ '&add ($d,&DWP(4*(($j+1)&15),"esp"));', # X[]+K xfer
+
+ '&xor (@T[1],$a)',
+ '&add ($e,@T[0]);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
+ );
+}
+
+sub bodyx_20_39 () { # b^d^c
+ # on start $b=b^c^d
+ return &bodyx_40_59() if ($rx==39); $rx++;
+ (
+ '($a,$b,$c,$d,$e)=@V;'.
+
+ '&add ($e,($j==19?@T[0]:$b))',
+ '&rorx ($b,@T[1],7);', # $b>>>2
+ '&rorx (@T[0],$a,5);',
+
+ '&xor ($a,$b) if ($j<79);',
+ '&add ($d,&DWP(4*(($j+1)&15),"esp")) if ($j<79);', # X[]+K xfer
+ '&xor ($a,$c) if ($j<79);',
+ '&add ($e,@T[0]);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
+ );
+}
+
+sub bodyx_40_59 () { # ((b^c)&(c^d))^c
+ # on start $b=((b^c)&(c^d))^c
+ return &bodyx_20_39() if ($rx==59); $rx++;
+ (
+ '($a,$b,$c,$d,$e)=@V;'.
+
+ '&rorx (@T[0],$a,5)',
+ '&lea ($e,&DWP(0,$e,$b))',
+ '&rorx ($b,@T[1],7)', # $b>>>2
+ '&add ($d,&DWP(4*(($j+1)&15),"esp"))', # X[]+K xfer
+
+ '&mov (@T[1],$c)',
+ '&xor ($a,$b)', # b^c for next round
+ '&xor (@T[1],$b)', # c^d for next round
+
+ '&and ($a,@T[1])',
+ '&add ($e,@T[0])',
+ '&xor ($a,$b)' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
+ );
+}
&set_label("loop",16);
&Xupdate_ssse3_16_31(\&body_00_19);
&mov (&DWP(12,@T[1]),$D);
&xor ($B,$D);
&mov (&DWP(16,@T[1]),$E);
- &and ($B,@T[0]);
- &movdqa (@X[0],@X[-3&7]);
- &xchg ($B,@T[0]);
+ &mov (@T[1],@T[0]);
+ &pshufd (@X[0],@X[-4&7],0xee); # was &movdqa (@X[0],@X[-3&7]);
+ &and (@T[0],$B);
+ &mov ($B,$T[1]);
&jmp (&label("loop"));
&mov (&DWP(8,@T[1]),$C);
&xor ($B,$D);
&mov (&DWP(12,@T[1]),$D);
- &and ($B,@T[0]);
&mov (&DWP(16,@T[1]),$E);
- &xchg ($B,@T[0]);
+ &mov (@T[1],@T[0]);
+ &and (@T[0],$B);
+ &mov ($B,@T[1]);
&jmp (&label("loop"));
# CPU clock cycles spent to process single byte (less is better).
#
# x86_64 SSSE3 AVX[2]
-# P4 9.8 -
-# Opteron 6.65 -
-# Core2 6.70 6.05/+11% -
-# Westmere 7.08 5.44/+30% -
-# Sandy Bridge 7.93 6.16/+28% 4.99/+59%
-# Ivy Bridge 6.30 4.63/+36% 4.60/+37%
-# Haswell 5.98 4.12/+45% 3.57/+67%
-# Bulldozer 10.9 5.95/+82%
-# VIA Nano 10.2 7.46/+37%
-# Atom 11.0 9.61/+14%
+# P4 9.05 -
+# Opteron 6.26 -
+# Core2 6.55 6.05/+8% -
+# Westmere 6.73 5.30/+27% -
+# Sandy Bridge 7.70 6.10/+26% 4.99/+54%
+# Ivy Bridge 6.06 4.67/+30% 4.60/+32%
+# Haswell 5.45 4.15/+31% 3.57/+53%
+# Bulldozer 9.11 5.95/+53%
+# VIA Nano 9.32 7.15/+30%
+# Atom [10.5?] [9.23?]/+14%
+# Silvermont 13.1(*) 9.37/+40%
+#
+# (*) obviously suboptimal result, nothing was done about it,
+# because SSSE3 code is compiled unconditionally;
$flavour = shift;
$output = shift;
$t0="%eax";
$t1="%ebx";
$t2="%ecx";
-@xi=("%edx","%ebp");
+@xi=("%edx","%ebp","%r14d");
$A="%esi";
$B="%edi";
$C="%r11d";
$code.=<<___ if ($i==0);
mov `4*$i`($inp),$xi[0]
bswap $xi[0]
- mov $xi[0],`4*$i`(%rsp)
___
$code.=<<___ if ($i<15);
- mov $c,$t0
mov `4*$j`($inp),$xi[1]
+ mov $d,$t0
+ mov $xi[0],`4*$i`(%rsp)
mov $a,$t2
- xor $d,$t0
bswap $xi[1]
+ xor $c,$t0
rol \$5,$t2
- lea 0x5a827999($xi[0],$e),$e
and $b,$t0
- mov $xi[1],`4*$j`(%rsp)
+ lea 0x5a827999($xi[0],$e),$e
add $t2,$e
xor $d,$t0
rol \$30,$b
add $t0,$e
___
$code.=<<___ if ($i>=15);
- mov `4*($j%16)`(%rsp),$xi[1]
- mov $c,$t0
+ xor `4*($j%16)`(%rsp),$xi[1]
+ mov $d,$t0
+ mov $xi[0],`4*($i%16)`(%rsp)
mov $a,$t2
xor `4*(($j+2)%16)`(%rsp),$xi[1]
- xor $d,$t0
+ xor $c,$t0
rol \$5,$t2
xor `4*(($j+8)%16)`(%rsp),$xi[1]
and $b,$t0
lea 0x5a827999($xi[0],$e),$e
- xor `4*(($j+13)%16)`(%rsp),$xi[1]
+ rol \$30,$b
xor $d,$t0
- rol \$1,$xi[1]
add $t2,$e
- rol \$30,$b
- mov $xi[1],`4*($j%16)`(%rsp)
+ rol \$1,$xi[1]
add $t0,$e
___
-unshift(@xi,pop(@xi));
+push(@xi,shift(@xi));
}
sub BODY_20_39 {
my $j=$i+1;
my $K=($i<40)?0x6ed9eba1:0xca62c1d6;
$code.=<<___ if ($i<79);
- mov `4*($j%16)`(%rsp),$xi[1]
- mov $c,$t0
+ xor `4*($j%16)`(%rsp),$xi[1]
+ mov $b,$t0
+ `"mov $xi[0],".4*($i%16)."(%rsp)" if ($i<72)`
mov $a,$t2
xor `4*(($j+2)%16)`(%rsp),$xi[1]
- xor $b,$t0
+ xor $d,$t0
rol \$5,$t2
- lea $K($xi[0],$e),$e
xor `4*(($j+8)%16)`(%rsp),$xi[1]
- xor $d,$t0
+ lea $K($xi[0],$e),$e
+ xor $c,$t0
add $t2,$e
- xor `4*(($j+13)%16)`(%rsp),$xi[1]
rol \$30,$b
add $t0,$e
rol \$1,$xi[1]
___
-$code.=<<___ if ($i<76);
- mov $xi[1],`4*($j%16)`(%rsp)
-___
$code.=<<___ if ($i==79);
- mov $c,$t0
+ mov $b,$t0
mov $a,$t2
- xor $b,$t0
+ xor $d,$t0
lea $K($xi[0],$e),$e
rol \$5,$t2
- xor $d,$t0
+ xor $c,$t0
add $t2,$e
rol \$30,$b
add $t0,$e
___
-unshift(@xi,pop(@xi));
+push(@xi,shift(@xi));
}
sub BODY_40_59 {
my ($i,$a,$b,$c,$d,$e)=@_;
my $j=$i+1;
$code.=<<___;
- mov `4*($j%16)`(%rsp),$xi[1]
- mov $c,$t0
- mov $c,$t1
+ xor `4*($j%16)`(%rsp),$xi[1]
+ mov $d,$t0
+ mov $xi[0],`4*($i%16)`(%rsp)
+ mov $d,$t1
xor `4*(($j+2)%16)`(%rsp),$xi[1]
- and $d,$t0
+ and $c,$t0
mov $a,$t2
xor `4*(($j+8)%16)`(%rsp),$xi[1]
- xor $d,$t1
lea 0x8f1bbcdc($xi[0],$e),$e
+ xor $c,$t1
rol \$5,$t2
- xor `4*(($j+13)%16)`(%rsp),$xi[1]
add $t0,$e
- and $b,$t1
rol \$1,$xi[1]
- add $t1,$e
- rol \$30,$b
- mov $xi[1],`4*($j%16)`(%rsp)
+ and $b,$t1
add $t2,$e
+ rol \$30,$b
+ add $t1,$e
___
-unshift(@xi,pop(@xi));
+push(@xi,shift(@xi));
}
$code.=<<___;
.align 16
.Lialu:
+ mov %rsp,%rax
push %rbx
push %rbp
push %r12
push %r13
- mov %rsp,%r11
+ push %r14
mov %rdi,$ctx # reassigned argument
sub \$`8+16*4`,%rsp
mov %rsi,$inp # reassigned argument
and \$-64,%rsp
mov %rdx,$num # reassigned argument
- mov %r11,`16*4`(%rsp)
+ mov %rax,`16*4`(%rsp)
.Lprologue:
mov 0($ctx),$A
jnz .Lloop
mov `16*4`(%rsp),%rsi
- mov (%rsi),%r13
- mov 8(%rsi),%r12
- mov 16(%rsi),%rbp
- mov 24(%rsi),%rbx
- lea 32(%rsi),%rsp
+ mov -40(%rsi),%r14
+ mov -32(%rsi),%r13
+ mov -24(%rsi),%r12
+ mov -16(%rsi),%rbp
+ mov -8(%rsi),%rbx
+ lea (%rsi),%rsp
.Lepilogue:
ret
.size sha1_block_data_order,.-sha1_block_data_order
movdqu 32($inp),@X[-2&7]
movdqu 48($inp),@X[-1&7]
pshufb @X[2],@X[-4&7] # byte swap
- add \$64,$inp
pshufb @X[2],@X[-3&7]
pshufb @X[2],@X[-2&7]
- pshufb @X[2],@X[-1&7]
+ add \$64,$inp
paddd @Tx[1],@X[-4&7] # add K_00_19
+ pshufb @X[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
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(2*16*(($Xi)/5)-64)."($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 ($Xi==7); # was &movdqa (@Tx[0],@X[-1&7]) in Xupdate_ssse3_32_79
foreach (@insns) { eval; } # remaining instructions [if any]
my @insns = (&$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(2*16*($Xi/5)-64)."($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,$e);
eval(shift(@insns));
- &paddd (@Tx[1],@X[-1&7]);
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
+ &paddd (@Tx[1],@X[-1&7]);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
&pshufb (@X[($Xi-3)&7],@X[2]);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
&paddd (@X[($Xi-4)&7],@Tx[1]);
eval(shift(@insns));
eval(shift(@insns));
&movdqa (eval(16*$Xi)."(%rsp)",@X[($Xi-4)&7]); # X[]+K xfer to IALU
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
&psubd (@X[($Xi-4)&7],@Tx[1]);
foreach (@insns) { eval; }
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 -40(%rax),%r14
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
+ mov %r14,232($context) # restore context->R14
jmp .Lcommon_seh_tail
.size se_handler,.-se_handler
projects / openssl.git / commitdiff