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authorJung-uk Kim <jkim@FreeBSD.org>2015-10-23 19:46:02 +0000
committerJung-uk Kim <jkim@FreeBSD.org>2015-10-23 19:46:02 +0000
commite9fcefce9bb70f20c272a996443928c5f6ab8cd8 (patch)
treeae816a5a768ec78af3610e509ca39507b33aa9f7 /crypto/sha/asm/sha256-mb-x86_64.pl
parentc07d7b3a386974c338492659291008bed07948e6 (diff)
downloadsrc-e9fcefce9bb70f20c272a996443928c5f6ab8cd8.tar.gz
src-e9fcefce9bb70f20c272a996443928c5f6ab8cd8.zip
Import OpenSSL 1.0.2d.vendor/openssl/1.0.2d
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=289848 svn path=/vendor-crypto/openssl/1.0.2d/; revision=289849; tag=vendor/openssl/1.0.2d
Diffstat (limited to 'crypto/sha/asm/sha256-mb-x86_64.pl')
-rwxr-xr-xcrypto/sha/asm/sha256-mb-x86_64.pl1560
1 files changed, 1560 insertions, 0 deletions
diff --git a/crypto/sha/asm/sha256-mb-x86_64.pl b/crypto/sha/asm/sha256-mb-x86_64.pl
new file mode 100755
index 000000000000..adf2ddccd18b
--- /dev/null
+++ b/crypto/sha/asm/sha256-mb-x86_64.pl
@@ -0,0 +1,1560 @@
+#!/usr/bin/env perl
+
+# ====================================================================
+# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
+# project. The module is, however, dual licensed under OpenSSL and
+# CRYPTOGAMS licenses depending on where you obtain it. For further
+# details see http://www.openssl.org/~appro/cryptogams/.
+# ====================================================================
+
+# Multi-buffer SHA256 procedure processes n buffers in parallel by
+# placing buffer data to designated lane of SIMD register. n is
+# naturally limited to 4 on pre-AVX2 processors and to 8 on
+# AVX2-capable processors such as Haswell.
+#
+# this +aesni(i) sha256 aesni-sha256 gain(iv)
+# -------------------------------------------------------------------
+# Westmere(ii) 23.3/n +1.28=7.11(n=4) 12.3 +3.75=16.1 +126%
+# Atom(ii) 38.7/n +3.93=13.6(n=4) 20.8 +5.69=26.5 +95%
+# Sandy Bridge (20.5 +5.15=25.7)/n 11.6 13.0 +103%
+# Ivy Bridge (20.4 +5.14=25.5)/n 10.3 11.6 +82%
+# Haswell(iii) (21.0 +5.00=26.0)/n 7.80 8.79 +170%
+# Bulldozer (21.6 +5.76=27.4)/n 13.6 13.7 +100%
+#
+# (i) multi-block CBC encrypt with 128-bit key;
+# (ii) (HASH+AES)/n does not apply to Westmere for n>3 and Atom,
+# because of lower AES-NI instruction throughput, nor is there
+# AES-NI-SHA256 stitch for these processors;
+# (iii) "this" is for n=8, when we gather twice as much data, result
+# for n=4 is 20.3+4.44=24.7;
+# (iv) presented improvement coefficients are asymptotic limits and
+# in real-life application are somewhat lower, e.g. for 2KB
+# fragments they range from 75% to 130% (on Haswell);
+
+$flavour = shift;
+$output = shift;
+if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
+
+$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
+
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
+( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
+die "can't locate x86_64-xlate.pl";
+
+$avx=0;
+
+if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1`
+ =~ /GNU assembler version ([2-9]\.[0-9]+)/) {
+ $avx = ($1>=2.19) + ($1>=2.22);
+}
+
+if (!$avx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM} =~ /nasm/) &&
+ `nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/) {
+ $avx = ($1>=2.09) + ($1>=2.10);
+}
+
+if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) &&
+ `ml64 2>&1` =~ /Version ([0-9]+)\./) {
+ $avx = ($1>=10) + ($1>=11);
+}
+
+if (!$avx && `$ENV{CC} -v 2>&1` =~ /(^clang version|based on LLVM) ([3-9]\.[0-9]+)/) {
+ $avx = ($2>=3.0) + ($2>3.0);
+}
+
+open OUT,"| \"$^X\" $xlate $flavour $output";
+*STDOUT=*OUT;
+
+# void sha256_multi_block (
+# struct { unsigned int A[8];
+# unsigned int B[8];
+# unsigned int C[8];
+# unsigned int D[8];
+# unsigned int E[8];
+# unsigned int F[8];
+# unsigned int G[8];
+# unsigned int H[8]; } *ctx,
+# struct { void *ptr; int blocks; } inp[8],
+# int num); /* 1 or 2 */
+#
+$ctx="%rdi"; # 1st arg
+$inp="%rsi"; # 2nd arg
+$num="%edx"; # 3rd arg
+@ptr=map("%r$_",(8..11));
+$Tbl="%rbp";
+
+@V=($A,$B,$C,$D,$E,$F,$G,$H)=map("%xmm$_",(8..15));
+($t1,$t2,$t3,$axb,$bxc,$Xi,$Xn,$sigma)=map("%xmm$_",(0..7));
+
+$REG_SZ=16;
+
+sub Xi_off {
+my $off = shift;
+
+ $off %= 16; $off *= $REG_SZ;
+ $off<256 ? "$off-128(%rax)" : "$off-256-128(%rbx)";
+}
+
+sub ROUND_00_15 {
+my ($i,$a,$b,$c,$d,$e,$f,$g,$h)=@_;
+
+$code.=<<___ if ($i<15);
+ movd `4*$i`(@ptr[0]),$Xi
+ movd `4*$i`(@ptr[1]),$t1
+ movd `4*$i`(@ptr[2]),$t2
+ movd `4*$i`(@ptr[3]),$t3
+ punpckldq $t2,$Xi
+ punpckldq $t3,$t1
+ punpckldq $t1,$Xi
+___
+$code.=<<___ if ($i==15);
+ movd `4*$i`(@ptr[0]),$Xi
+ lea `16*4`(@ptr[0]),@ptr[0]
+ movd `4*$i`(@ptr[1]),$t1
+ lea `16*4`(@ptr[1]),@ptr[1]
+ movd `4*$i`(@ptr[2]),$t2
+ lea `16*4`(@ptr[2]),@ptr[2]
+ movd `4*$i`(@ptr[3]),$t3
+ lea `16*4`(@ptr[3]),@ptr[3]
+ punpckldq $t2,$Xi
+ punpckldq $t3,$t1
+ punpckldq $t1,$Xi
+___
+$code.=<<___;
+ movdqa $e,$sigma
+ `"pshufb $Xn,$Xi" if ($i<=15 && ($i&1)==0)`
+ movdqa $e,$t3
+ `"pshufb $Xn,$Xi" if ($i<=15 && ($i&1)==1)`
+ psrld \$6,$sigma
+ movdqa $e,$t2
+ pslld \$7,$t3
+ movdqa $Xi,`&Xi_off($i)`
+ paddd $h,$Xi # Xi+=h
+
+ psrld \$11,$t2
+ pxor $t3,$sigma
+ pslld \$21-7,$t3
+ paddd `32*($i%8)-128`($Tbl),$Xi # Xi+=K[round]
+ pxor $t2,$sigma
+
+ psrld \$25-11,$t2
+ movdqa $e,$t1
+ `"prefetcht0 63(@ptr[0])" if ($i==15)`
+ pxor $t3,$sigma
+ movdqa $e,$axb # borrow $axb
+ pslld \$26-21,$t3
+ pandn $g,$t1
+ pand $f,$axb
+ pxor $t2,$sigma
+
+ `"prefetcht0 63(@ptr[1])" if ($i==15)`
+ movdqa $a,$t2
+ pxor $t3,$sigma # Sigma1(e)
+ movdqa $a,$t3
+ psrld \$2,$t2
+ paddd $sigma,$Xi # Xi+=Sigma1(e)
+ pxor $axb,$t1 # Ch(e,f,g)
+ movdqa $b,$axb
+ movdqa $a,$sigma
+ pslld \$10,$t3
+ pxor $a,$axb # a^b, b^c in next round
+
+ `"prefetcht0 63(@ptr[2])" if ($i==15)`
+ psrld \$13,$sigma
+ pxor $t3,$t2
+ paddd $t1,$Xi # Xi+=Ch(e,f,g)
+ pslld \$19-10,$t3
+ pand $axb,$bxc
+ pxor $sigma,$t2
+
+ `"prefetcht0 63(@ptr[3])" if ($i==15)`
+ psrld \$22-13,$sigma
+ pxor $t3,$t2
+ movdqa $b,$h
+ pslld \$30-19,$t3
+ pxor $t2,$sigma
+ pxor $bxc,$h # h=Maj(a,b,c)=Ch(a^b,c,b)
+ paddd $Xi,$d # d+=Xi
+ pxor $t3,$sigma # Sigma0(a)
+
+ paddd $Xi,$h # h+=Xi
+ paddd $sigma,$h # h+=Sigma0(a)
+___
+$code.=<<___ if (($i%8)==7);
+ lea `32*8`($Tbl),$Tbl
+___
+ ($axb,$bxc)=($bxc,$axb);
+}
+
+sub ROUND_16_XX {
+my $i=shift;
+
+$code.=<<___;
+ movdqa `&Xi_off($i+1)`,$Xn
+ paddd `&Xi_off($i+9)`,$Xi # Xi+=X[i+9]
+
+ movdqa $Xn,$sigma
+ movdqa $Xn,$t2
+ psrld \$3,$sigma
+ movdqa $Xn,$t3
+
+ psrld \$7,$t2
+ movdqa `&Xi_off($i+14)`,$t1
+ pslld \$14,$t3
+ pxor $t2,$sigma
+ psrld \$18-7,$t2
+ movdqa $t1,$axb # borrow $axb
+ pxor $t3,$sigma
+ pslld \$25-14,$t3
+ pxor $t2,$sigma
+ psrld \$10,$t1
+ movdqa $axb,$t2
+
+ psrld \$17,$axb
+ pxor $t3,$sigma # sigma0(X[i+1])
+ pslld \$13,$t2
+ paddd $sigma,$Xi # Xi+=sigma0(e)
+ pxor $axb,$t1
+ psrld \$19-17,$axb
+ pxor $t2,$t1
+ pslld \$15-13,$t2
+ pxor $axb,$t1
+ pxor $t2,$t1 # sigma0(X[i+14])
+ paddd $t1,$Xi # Xi+=sigma1(X[i+14])
+___
+ &ROUND_00_15($i,@_);
+ ($Xi,$Xn)=($Xn,$Xi);
+}
+
+$code.=<<___;
+.text
+
+.extern OPENSSL_ia32cap_P
+
+.globl sha256_multi_block
+.type sha256_multi_block,\@function,3
+.align 32
+sha256_multi_block:
+ mov OPENSSL_ia32cap_P+4(%rip),%rcx
+ bt \$61,%rcx # check SHA bit
+ jc _shaext_shortcut
+___
+$code.=<<___ if ($avx);
+ test \$`1<<28`,%ecx
+ jnz _avx_shortcut
+___
+$code.=<<___;
+ mov %rsp,%rax
+ push %rbx
+ push %rbp
+___
+$code.=<<___ if ($win64);
+ lea -0xa8(%rsp),%rsp
+ movaps %xmm6,(%rsp)
+ movaps %xmm7,0x10(%rsp)
+ movaps %xmm8,0x20(%rsp)
+ movaps %xmm9,0x30(%rsp)
+ movaps %xmm10,-0x78(%rax)
+ movaps %xmm11,-0x68(%rax)
+ movaps %xmm12,-0x58(%rax)
+ movaps %xmm13,-0x48(%rax)
+ movaps %xmm14,-0x38(%rax)
+ movaps %xmm15,-0x28(%rax)
+___
+$code.=<<___;
+ sub \$`$REG_SZ*18`, %rsp
+ and \$-256,%rsp
+ mov %rax,`$REG_SZ*17`(%rsp) # original %rsp
+.Lbody:
+ lea K256+128(%rip),$Tbl
+ lea `$REG_SZ*16`(%rsp),%rbx
+ lea 0x80($ctx),$ctx # size optimization
+
+.Loop_grande:
+ mov $num,`$REG_SZ*17+8`(%rsp) # original $num
+ xor $num,$num
+___
+for($i=0;$i<4;$i++) {
+ $code.=<<___;
+ mov `16*$i+0`($inp),@ptr[$i] # input pointer
+ mov `16*$i+8`($inp),%ecx # number of blocks
+ cmp $num,%ecx
+ cmovg %ecx,$num # find maximum
+ test %ecx,%ecx
+ mov %ecx,`4*$i`(%rbx) # initialize counters
+ cmovle $Tbl,@ptr[$i] # cancel input
+___
+}
+$code.=<<___;
+ test $num,$num
+ jz .Ldone
+
+ movdqu 0x00-0x80($ctx),$A # load context
+ lea 128(%rsp),%rax
+ movdqu 0x20-0x80($ctx),$B
+ movdqu 0x40-0x80($ctx),$C
+ movdqu 0x60-0x80($ctx),$D
+ movdqu 0x80-0x80($ctx),$E
+ movdqu 0xa0-0x80($ctx),$F
+ movdqu 0xc0-0x80($ctx),$G
+ movdqu 0xe0-0x80($ctx),$H
+ movdqu .Lpbswap(%rip),$Xn
+ jmp .Loop
+
+.align 32
+.Loop:
+ movdqa $C,$bxc
+ pxor $B,$bxc # magic seed
+___
+for($i=0;$i<16;$i++) { &ROUND_00_15($i,@V); unshift(@V,pop(@V)); }
+$code.=<<___;
+ movdqu `&Xi_off($i)`,$Xi
+ mov \$3,%ecx
+ jmp .Loop_16_xx
+.align 32
+.Loop_16_xx:
+___
+for(;$i<32;$i++) { &ROUND_16_XX($i,@V); unshift(@V,pop(@V)); }
+$code.=<<___;
+ dec %ecx
+ jnz .Loop_16_xx
+
+ mov \$1,%ecx
+ lea K256+128(%rip),$Tbl
+
+ movdqa (%rbx),$sigma # pull counters
+ cmp 4*0(%rbx),%ecx # examine counters
+ pxor $t1,$t1
+ cmovge $Tbl,@ptr[0] # cancel input
+ cmp 4*1(%rbx),%ecx
+ movdqa $sigma,$Xn
+ cmovge $Tbl,@ptr[1]
+ cmp 4*2(%rbx),%ecx
+ pcmpgtd $t1,$Xn # mask value
+ cmovge $Tbl,@ptr[2]
+ cmp 4*3(%rbx),%ecx
+ paddd $Xn,$sigma # counters--
+ cmovge $Tbl,@ptr[3]
+
+ movdqu 0x00-0x80($ctx),$t1
+ pand $Xn,$A
+ movdqu 0x20-0x80($ctx),$t2
+ pand $Xn,$B
+ movdqu 0x40-0x80($ctx),$t3
+ pand $Xn,$C
+ movdqu 0x60-0x80($ctx),$Xi
+ pand $Xn,$D
+ paddd $t1,$A
+ movdqu 0x80-0x80($ctx),$t1
+ pand $Xn,$E
+ paddd $t2,$B
+ movdqu 0xa0-0x80($ctx),$t2
+ pand $Xn,$F
+ paddd $t3,$C
+ movdqu 0xc0-0x80($ctx),$t3
+ pand $Xn,$G
+ paddd $Xi,$D
+ movdqu 0xe0-0x80($ctx),$Xi
+ pand $Xn,$H
+ paddd $t1,$E
+ paddd $t2,$F
+ movdqu $A,0x00-0x80($ctx)
+ paddd $t3,$G
+ movdqu $B,0x20-0x80($ctx)
+ paddd $Xi,$H
+ movdqu $C,0x40-0x80($ctx)
+ movdqu $D,0x60-0x80($ctx)
+ movdqu $E,0x80-0x80($ctx)
+ movdqu $F,0xa0-0x80($ctx)
+ movdqu $G,0xc0-0x80($ctx)
+ movdqu $H,0xe0-0x80($ctx)
+
+ movdqa $sigma,(%rbx) # save counters
+ movdqa .Lpbswap(%rip),$Xn
+ dec $num
+ jnz .Loop
+
+ mov `$REG_SZ*17+8`(%rsp),$num
+ lea $REG_SZ($ctx),$ctx
+ lea `16*$REG_SZ/4`($inp),$inp
+ dec $num
+ jnz .Loop_grande
+
+.Ldone:
+ mov `$REG_SZ*17`(%rsp),%rax # orignal %rsp
+___
+$code.=<<___ if ($win64);
+ movaps -0xb8(%rax),%xmm6
+ movaps -0xa8(%rax),%xmm7
+ movaps -0x98(%rax),%xmm8
+ movaps -0x88(%rax),%xmm9
+ movaps -0x78(%rax),%xmm10
+ movaps -0x68(%rax),%xmm11
+ movaps -0x58(%rax),%xmm12
+ movaps -0x48(%rax),%xmm13
+ movaps -0x38(%rax),%xmm14
+ movaps -0x28(%rax),%xmm15
+___
+$code.=<<___;
+ mov -16(%rax),%rbp
+ mov -8(%rax),%rbx
+ lea (%rax),%rsp
+.Lepilogue:
+ ret
+.size sha256_multi_block,.-sha256_multi_block
+___
+ {{{
+my ($Wi,$TMP0,$TMP1,$TMPx,$ABEF0,$CDGH0,$ABEF1,$CDGH1)=map("%xmm$_",(0..3,12..15));
+my @MSG0=map("%xmm$_",(4..7));
+my @MSG1=map("%xmm$_",(8..11));
+
+$code.=<<___;
+.type sha256_multi_block_shaext,\@function,3
+.align 32
+sha256_multi_block_shaext:
+_shaext_shortcut:
+ mov %rsp,%rax
+ push %rbx
+ push %rbp
+___
+$code.=<<___ if ($win64);
+ lea -0xa8(%rsp),%rsp
+ movaps %xmm6,(%rsp)
+ movaps %xmm7,0x10(%rsp)
+ movaps %xmm8,0x20(%rsp)
+ movaps %xmm9,0x30(%rsp)
+ movaps %xmm10,-0x78(%rax)
+ movaps %xmm11,-0x68(%rax)
+ movaps %xmm12,-0x58(%rax)
+ movaps %xmm13,-0x48(%rax)
+ movaps %xmm14,-0x38(%rax)
+ movaps %xmm15,-0x28(%rax)
+___
+$code.=<<___;
+ sub \$`$REG_SZ*18`,%rsp
+ shl \$1,$num # we process pair at a time
+ and \$-256,%rsp
+ lea 0x80($ctx),$ctx # size optimization
+ mov %rax,`$REG_SZ*17`(%rsp) # original %rsp
+.Lbody_shaext:
+ lea `$REG_SZ*16`(%rsp),%rbx
+ lea K256_shaext+0x80(%rip),$Tbl
+
+.Loop_grande_shaext:
+ mov $num,`$REG_SZ*17+8`(%rsp) # orignal $num
+ xor $num,$num
+___
+for($i=0;$i<2;$i++) {
+ $code.=<<___;
+ mov `16*$i+0`($inp),@ptr[$i] # input pointer
+ mov `16*$i+8`($inp),%ecx # number of blocks
+ cmp $num,%ecx
+ cmovg %ecx,$num # find maximum
+ test %ecx,%ecx
+ mov %ecx,`4*$i`(%rbx) # initialize counters
+ cmovle %rsp,@ptr[$i] # cancel input
+___
+}
+$code.=<<___;
+ test $num,$num
+ jz .Ldone_shaext
+
+ movq 0x00-0x80($ctx),$ABEF0 # A1.A0
+ movq 0x20-0x80($ctx),@MSG0[0] # B1.B0
+ movq 0x40-0x80($ctx),$CDGH0 # C1.C0
+ movq 0x60-0x80($ctx),@MSG0[1] # D1.D0
+ movq 0x80-0x80($ctx),@MSG1[0] # E1.E0
+ movq 0xa0-0x80($ctx),@MSG1[1] # F1.F0
+ movq 0xc0-0x80($ctx),@MSG1[2] # G1.G0
+ movq 0xe0-0x80($ctx),@MSG1[3] # H1.H0
+
+ punpckldq @MSG0[0],$ABEF0 # B1.A1.B0.A0
+ punpckldq @MSG0[1],$CDGH0 # D1.C1.D0.C0
+ punpckldq @MSG1[1],@MSG1[0] # F1.E1.F0.E0
+ punpckldq @MSG1[3],@MSG1[2] # H1.G1.H0.G0
+ movdqa K256_shaext-0x10(%rip),$TMPx # byte swap
+
+ movdqa $ABEF0,$ABEF1
+ movdqa $CDGH0,$CDGH1
+ punpcklqdq @MSG1[0],$ABEF0 # F0.E0.B0.A0
+ punpcklqdq @MSG1[2],$CDGH0 # H0.G0.D0.C0
+ punpckhqdq @MSG1[0],$ABEF1 # F1.E1.B1.A1
+ punpckhqdq @MSG1[2],$CDGH1 # H1.G1.D1.C1
+
+ pshufd \$0b00011011,$ABEF0,$ABEF0
+ pshufd \$0b00011011,$CDGH0,$CDGH0
+ pshufd \$0b00011011,$ABEF1,$ABEF1
+ pshufd \$0b00011011,$CDGH1,$CDGH1
+ jmp .Loop_shaext
+
+.align 32
+.Loop_shaext:
+ movdqu 0x00(@ptr[0]),@MSG0[0]
+ movdqu 0x00(@ptr[1]),@MSG1[0]
+ movdqu 0x10(@ptr[0]),@MSG0[1]
+ movdqu 0x10(@ptr[1]),@MSG1[1]
+ movdqu 0x20(@ptr[0]),@MSG0[2]
+ pshufb $TMPx,@MSG0[0]
+ movdqu 0x20(@ptr[1]),@MSG1[2]
+ pshufb $TMPx,@MSG1[0]
+ movdqu 0x30(@ptr[0]),@MSG0[3]
+ lea 0x40(@ptr[0]),@ptr[0]
+ movdqu 0x30(@ptr[1]),@MSG1[3]
+ lea 0x40(@ptr[1]),@ptr[1]
+
+ movdqa 0*16-0x80($Tbl),$Wi
+ pshufb $TMPx,@MSG0[1]
+ paddd @MSG0[0],$Wi
+ pxor $ABEF0,@MSG0[0] # black magic
+ movdqa $Wi,$TMP0
+ movdqa 0*16-0x80($Tbl),$TMP1
+ pshufb $TMPx,@MSG1[1]
+ paddd @MSG1[0],$TMP1
+ movdqa $CDGH0,0x50(%rsp) # offload
+ sha256rnds2 $ABEF0,$CDGH0 # 0-3
+ pxor $ABEF1,@MSG1[0] # black magic
+ movdqa $TMP1,$Wi
+ movdqa $CDGH1,0x70(%rsp)
+ sha256rnds2 $ABEF1,$CDGH1 # 0-3
+ pshufd \$0x0e,$TMP0,$Wi
+ pxor $ABEF0,@MSG0[0] # black magic
+ movdqa $ABEF0,0x40(%rsp) # offload
+ sha256rnds2 $CDGH0,$ABEF0
+ pshufd \$0x0e,$TMP1,$Wi
+ pxor $ABEF1,@MSG1[0] # black magic
+ movdqa $ABEF1,0x60(%rsp)
+ movdqa 1*16-0x80($Tbl),$TMP0
+ paddd @MSG0[1],$TMP0
+ pshufb $TMPx,@MSG0[2]
+ sha256rnds2 $CDGH1,$ABEF1
+
+ movdqa $TMP0,$Wi
+ movdqa 1*16-0x80($Tbl),$TMP1
+ paddd @MSG1[1],$TMP1
+ sha256rnds2 $ABEF0,$CDGH0 # 4-7
+ movdqa $TMP1,$Wi
+ prefetcht0 127(@ptr[0])
+ pshufb $TMPx,@MSG0[3]
+ pshufb $TMPx,@MSG1[2]
+ prefetcht0 127(@ptr[1])
+ sha256rnds2 $ABEF1,$CDGH1 # 4-7
+ pshufd \$0x0e,$TMP0,$Wi
+ pshufb $TMPx,@MSG1[3]
+ sha256msg1 @MSG0[1],@MSG0[0]
+ sha256rnds2 $CDGH0,$ABEF0
+ pshufd \$0x0e,$TMP1,$Wi
+ movdqa 2*16-0x80($Tbl),$TMP0
+ paddd @MSG0[2],$TMP0
+ sha256rnds2 $CDGH1,$ABEF1
+
+ movdqa $TMP0,$Wi
+ movdqa 2*16-0x80($Tbl),$TMP1
+ paddd @MSG1[2],$TMP1
+ sha256rnds2 $ABEF0,$CDGH0 # 8-11
+ sha256msg1 @MSG1[1],@MSG1[0]
+ movdqa $TMP1,$Wi
+ movdqa @MSG0[3],$TMPx
+ sha256rnds2 $ABEF1,$CDGH1 # 8-11
+ pshufd \$0x0e,$TMP0,$Wi
+ palignr \$4,@MSG0[2],$TMPx
+ paddd $TMPx,@MSG0[0]
+ movdqa @MSG1[3],$TMPx
+ palignr \$4,@MSG1[2],$TMPx
+ sha256msg1 @MSG0[2],@MSG0[1]
+ sha256rnds2 $CDGH0,$ABEF0
+ pshufd \$0x0e,$TMP1,$Wi
+ movdqa 3*16-0x80($Tbl),$TMP0
+ paddd @MSG0[3],$TMP0
+ sha256rnds2 $CDGH1,$ABEF1
+ sha256msg1 @MSG1[2],@MSG1[1]
+
+ movdqa $TMP0,$Wi
+ movdqa 3*16-0x80($Tbl),$TMP1
+ paddd $TMPx,@MSG1[0]
+ paddd @MSG1[3],$TMP1
+ sha256msg2 @MSG0[3],@MSG0[0]
+ sha256rnds2 $ABEF0,$CDGH0 # 12-15
+ movdqa $TMP1,$Wi
+ movdqa @MSG0[0],$TMPx
+ palignr \$4,@MSG0[3],$TMPx
+ sha256rnds2 $ABEF1,$CDGH1 # 12-15
+ sha256msg2 @MSG1[3],@MSG1[0]
+ pshufd \$0x0e,$TMP0,$Wi
+ paddd $TMPx,@MSG0[1]
+ movdqa @MSG1[0],$TMPx
+ palignr \$4,@MSG1[3],$TMPx
+ sha256msg1 @MSG0[3],@MSG0[2]
+ sha256rnds2 $CDGH0,$ABEF0
+ pshufd \$0x0e,$TMP1,$Wi
+ movdqa 4*16-0x80($Tbl),$TMP0
+ paddd @MSG0[0],$TMP0
+ sha256rnds2 $CDGH1,$ABEF1
+ sha256msg1 @MSG1[3],@MSG1[2]
+___
+for($i=4;$i<16-3;$i++) {
+$code.=<<___;
+ movdqa $TMP0,$Wi
+ movdqa $i*16-0x80($Tbl),$TMP1
+ paddd $TMPx,@MSG1[1]
+ paddd @MSG1[0],$TMP1
+ sha256msg2 @MSG0[0],@MSG0[1]
+ sha256rnds2 $ABEF0,$CDGH0 # 16-19...
+ movdqa $TMP1,$Wi
+ movdqa @MSG0[1],$TMPx
+ palignr \$4,@MSG0[0],$TMPx
+ sha256rnds2 $ABEF1,$CDGH1 # 16-19...
+ sha256msg2 @MSG1[0],@MSG1[1]
+ pshufd \$0x0e,$TMP0,$Wi
+ paddd $TMPx,@MSG0[2]
+ movdqa @MSG1[1],$TMPx
+ palignr \$4,@MSG1[0],$TMPx
+ sha256msg1 @MSG0[0],@MSG0[3]
+ sha256rnds2 $CDGH0,$ABEF0
+ pshufd \$0x0e,$TMP1,$Wi
+ movdqa `($i+1)*16`-0x80($Tbl),$TMP0
+ paddd @MSG0[1],$TMP0
+ sha256rnds2 $CDGH1,$ABEF1
+ sha256msg1 @MSG1[0],@MSG1[3]
+___
+ push(@MSG0,shift(@MSG0)); push(@MSG1,shift(@MSG1));
+}
+$code.=<<___;
+ movdqa $TMP0,$Wi
+ movdqa 13*16-0x80($Tbl),$TMP1
+ paddd $TMPx,@MSG1[1]
+ paddd @MSG1[0],$TMP1
+ sha256msg2 @MSG0[0],@MSG0[1]
+ sha256rnds2 $ABEF0,$CDGH0 # 52-55
+ movdqa $TMP1,$Wi
+ movdqa @MSG0[1],$TMPx
+ palignr \$4,@MSG0[0],$TMPx
+ sha256rnds2 $ABEF1,$CDGH1 # 52-55
+ sha256msg2 @MSG1[0],@MSG1[1]
+ pshufd \$0x0e,$TMP0,$Wi
+ paddd $TMPx,@MSG0[2]
+ movdqa @MSG1[1],$TMPx
+ palignr \$4,@MSG1[0],$TMPx
+ nop
+ sha256rnds2 $CDGH0,$ABEF0
+ pshufd \$0x0e,$TMP1,$Wi
+ movdqa 14*16-0x80($Tbl),$TMP0
+ paddd @MSG0[1],$TMP0
+ sha256rnds2 $CDGH1,$ABEF1
+
+ movdqa $TMP0,$Wi
+ movdqa 14*16-0x80($Tbl),$TMP1
+ paddd $TMPx,@MSG1[2]
+ paddd @MSG1[1],$TMP1
+ sha256msg2 @MSG0[1],@MSG0[2]
+ nop
+ sha256rnds2 $ABEF0,$CDGH0 # 56-59
+ movdqa $TMP1,$Wi
+ mov \$1,%ecx
+ pxor @MSG0[1],@MSG0[1] # zero
+ sha256rnds2 $ABEF1,$CDGH1 # 56-59
+ sha256msg2 @MSG1[1],@MSG1[2]
+ pshufd \$0x0e,$TMP0,$Wi
+ movdqa 15*16-0x80($Tbl),$TMP0
+ paddd @MSG0[2],$TMP0
+ movq (%rbx),@MSG0[2] # pull counters
+ nop
+ sha256rnds2 $CDGH0,$ABEF0
+ pshufd \$0x0e,$TMP1,$Wi
+ movdqa 15*16-0x80($Tbl),$TMP1
+ paddd @MSG1[2],$TMP1
+ sha256rnds2 $CDGH1,$ABEF1
+
+ movdqa $TMP0,$Wi
+ cmp 4*0(%rbx),%ecx # examine counters
+ cmovge %rsp,@ptr[0] # cancel input
+ cmp 4*1(%rbx),%ecx
+ cmovge %rsp,@ptr[1]
+ pshufd \$0x00,@MSG0[2],@MSG1[0]
+ sha256rnds2 $ABEF0,$CDGH0 # 60-63
+ movdqa $TMP1,$Wi
+ pshufd \$0x55,@MSG0[2],@MSG1[1]
+ movdqa @MSG0[2],@MSG1[2]
+ sha256rnds2 $ABEF1,$CDGH1 # 60-63
+ pshufd \$0x0e,$TMP0,$Wi
+ pcmpgtd @MSG0[1],@MSG1[0]
+ pcmpgtd @MSG0[1],@MSG1[1]
+ sha256rnds2 $CDGH0,$ABEF0
+ pshufd \$0x0e,$TMP1,$Wi
+ pcmpgtd @MSG0[1],@MSG1[2] # counter mask
+ movdqa K256_shaext-0x10(%rip),$TMPx
+ sha256rnds2 $CDGH1,$ABEF1
+
+ pand @MSG1[0],$CDGH0
+ pand @MSG1[1],$CDGH1
+ pand @MSG1[0],$ABEF0
+ pand @MSG1[1],$ABEF1
+ paddd @MSG0[2],@MSG1[2] # counters--
+
+ paddd 0x50(%rsp),$CDGH0
+ paddd 0x70(%rsp),$CDGH1
+ paddd 0x40(%rsp),$ABEF0
+ paddd 0x60(%rsp),$ABEF1
+
+ movq @MSG1[2],(%rbx) # save counters
+ dec $num
+ jnz .Loop_shaext
+
+ mov `$REG_SZ*17+8`(%rsp),$num
+
+ pshufd \$0b00011011,$ABEF0,$ABEF0
+ pshufd \$0b00011011,$CDGH0,$CDGH0
+ pshufd \$0b00011011,$ABEF1,$ABEF1
+ pshufd \$0b00011011,$CDGH1,$CDGH1
+
+ movdqa $ABEF0,@MSG0[0]
+ movdqa $CDGH0,@MSG0[1]
+ punpckldq $ABEF1,$ABEF0 # B1.B0.A1.A0
+ punpckhdq $ABEF1,@MSG0[0] # F1.F0.E1.E0
+ punpckldq $CDGH1,$CDGH0 # D1.D0.C1.C0
+ punpckhdq $CDGH1,@MSG0[1] # H1.H0.G1.G0
+
+ movq $ABEF0,0x00-0x80($ctx) # A1.A0
+ psrldq \$8,$ABEF0
+ movq @MSG0[0],0x80-0x80($ctx) # E1.E0
+ psrldq \$8,@MSG0[0]
+ movq $ABEF0,0x20-0x80($ctx) # B1.B0
+ movq @MSG0[0],0xa0-0x80($ctx) # F1.F0
+
+ movq $CDGH0,0x40-0x80($ctx) # C1.C0
+ psrldq \$8,$CDGH0
+ movq @MSG0[1],0xc0-0x80($ctx) # G1.G0
+ psrldq \$8,@MSG0[1]
+ movq $CDGH0,0x60-0x80($ctx) # D1.D0
+ movq @MSG0[1],0xe0-0x80($ctx) # H1.H0
+
+ lea `$REG_SZ/2`($ctx),$ctx
+ lea `16*2`($inp),$inp
+ dec $num
+ jnz .Loop_grande_shaext
+
+.Ldone_shaext:
+ #mov `$REG_SZ*17`(%rsp),%rax # original %rsp
+___
+$code.=<<___ if ($win64);
+ movaps -0xb8(%rax),%xmm6
+ movaps -0xa8(%rax),%xmm7
+ movaps -0x98(%rax),%xmm8
+ movaps -0x88(%rax),%xmm9
+ movaps -0x78(%rax),%xmm10
+ movaps -0x68(%rax),%xmm11
+ movaps -0x58(%rax),%xmm12
+ movaps -0x48(%rax),%xmm13
+ movaps -0x38(%rax),%xmm14
+ movaps -0x28(%rax),%xmm15
+___
+$code.=<<___;
+ mov -16(%rax),%rbp
+ mov -8(%rax),%rbx
+ lea (%rax),%rsp
+.Lepilogue_shaext:
+ ret
+.size sha256_multi_block_shaext,.-sha256_multi_block_shaext
+___
+ }}}
+ if ($avx) {{{
+sub ROUND_00_15_avx {
+my ($i,$a,$b,$c,$d,$e,$f,$g,$h)=@_;
+
+$code.=<<___ if ($i<15 && $REG_SZ==16);
+ vmovd `4*$i`(@ptr[0]),$Xi
+ vmovd `4*$i`(@ptr[1]),$t1
+ vpinsrd \$1,`4*$i`(@ptr[2]),$Xi,$Xi
+ vpinsrd \$1,`4*$i`(@ptr[3]),$t1,$t1
+ vpunpckldq $t1,$Xi,$Xi
+ vpshufb $Xn,$Xi,$Xi
+___
+$code.=<<___ if ($i==15 && $REG_SZ==16);
+ vmovd `4*$i`(@ptr[0]),$Xi
+ lea `16*4`(@ptr[0]),@ptr[0]
+ vmovd `4*$i`(@ptr[1]),$t1
+ lea `16*4`(@ptr[1]),@ptr[1]
+ vpinsrd \$1,`4*$i`(@ptr[2]),$Xi,$Xi
+ lea `16*4`(@ptr[2]),@ptr[2]
+ vpinsrd \$1,`4*$i`(@ptr[3]),$t1,$t1
+ lea `16*4`(@ptr[3]),@ptr[3]
+ vpunpckldq $t1,$Xi,$Xi
+ vpshufb $Xn,$Xi,$Xi
+___
+$code.=<<___ if ($i<15 && $REG_SZ==32);
+ vmovd `4*$i`(@ptr[0]),$Xi
+ vmovd `4*$i`(@ptr[4]),$t1
+ vmovd `4*$i`(@ptr[1]),$t2
+ vmovd `4*$i`(@ptr[5]),$t3
+ vpinsrd \$1,`4*$i`(@ptr[2]),$Xi,$Xi
+ vpinsrd \$1,`4*$i`(@ptr[6]),$t1,$t1
+ vpinsrd \$1,`4*$i`(@ptr[3]),$t2,$t2
+ vpunpckldq $t2,$Xi,$Xi
+ vpinsrd \$1,`4*$i`(@ptr[7]),$t3,$t3
+ vpunpckldq $t3,$t1,$t1
+ vinserti128 $t1,$Xi,$Xi
+ vpshufb $Xn,$Xi,$Xi
+___
+$code.=<<___ if ($i==15 && $REG_SZ==32);
+ vmovd `4*$i`(@ptr[0]),$Xi
+ lea `16*4`(@ptr[0]),@ptr[0]
+ vmovd `4*$i`(@ptr[4]),$t1
+ lea `16*4`(@ptr[4]),@ptr[4]
+ vmovd `4*$i`(@ptr[1]),$t2
+ lea `16*4`(@ptr[1]),@ptr[1]
+ vmovd `4*$i`(@ptr[5]),$t3
+ lea `16*4`(@ptr[5]),@ptr[5]
+ vpinsrd \$1,`4*$i`(@ptr[2]),$Xi,$Xi
+ lea `16*4`(@ptr[2]),@ptr[2]
+ vpinsrd \$1,`4*$i`(@ptr[6]),$t1,$t1
+ lea `16*4`(@ptr[6]),@ptr[6]
+ vpinsrd \$1,`4*$i`(@ptr[3]),$t2,$t2
+ lea `16*4`(@ptr[3]),@ptr[3]
+ vpunpckldq $t2,$Xi,$Xi
+ vpinsrd \$1,`4*$i`(@ptr[7]),$t3,$t3
+ lea `16*4`(@ptr[7]),@ptr[7]
+ vpunpckldq $t3,$t1,$t1
+ vinserti128 $t1,$Xi,$Xi
+ vpshufb $Xn,$Xi,$Xi
+___
+$code.=<<___;
+ vpsrld \$6,$e,$sigma
+ vpslld \$26,$e,$t3
+ vmovdqu $Xi,`&Xi_off($i)`
+ vpaddd $h,$Xi,$Xi # Xi+=h
+
+ vpsrld \$11,$e,$t2
+ vpxor $t3,$sigma,$sigma
+ vpslld \$21,$e,$t3
+ vpaddd `32*($i%8)-128`($Tbl),$Xi,$Xi # Xi+=K[round]
+ vpxor $t2,$sigma,$sigma
+
+ vpsrld \$25,$e,$t2
+ vpxor $t3,$sigma,$sigma
+ `"prefetcht0 63(@ptr[0])" if ($i==15)`
+ vpslld \$7,$e,$t3
+ vpandn $g,$e,$t1
+ vpand $f,$e,$axb # borrow $axb
+ `"prefetcht0 63(@ptr[1])" if ($i==15)`
+ vpxor $t2,$sigma,$sigma
+
+ vpsrld \$2,$a,$h # borrow $h
+ vpxor $t3,$sigma,$sigma # Sigma1(e)
+ `"prefetcht0 63(@ptr[2])" if ($i==15)`
+ vpslld \$30,$a,$t2
+ vpxor $axb,$t1,$t1 # Ch(e,f,g)
+ vpxor $a,$b,$axb # a^b, b^c in next round
+ `"prefetcht0 63(@ptr[3])" if ($i==15)`
+ vpxor $t2,$h,$h
+ vpaddd $sigma,$Xi,$Xi # Xi+=Sigma1(e)
+
+ vpsrld \$13,$a,$t2
+ `"prefetcht0 63(@ptr[4])" if ($i==15 && $REG_SZ==32)`
+ vpslld \$19,$a,$t3
+ vpaddd $t1,$Xi,$Xi # Xi+=Ch(e,f,g)
+ vpand $axb,$bxc,$bxc
+ `"prefetcht0 63(@ptr[5])" if ($i==15 && $REG_SZ==32)`
+ vpxor $t2,$h,$sigma
+
+ vpsrld \$22,$a,$t2
+ vpxor $t3,$sigma,$sigma
+ `"prefetcht0 63(@ptr[6])" if ($i==15 && $REG_SZ==32)`
+ vpslld \$10,$a,$t3
+ vpxor $bxc,$b,$h # h=Maj(a,b,c)=Ch(a^b,c,b)
+ vpaddd $Xi,$d,$d # d+=Xi
+ `"prefetcht0 63(@ptr[7])" if ($i==15 && $REG_SZ==32)`
+ vpxor $t2,$sigma,$sigma
+ vpxor $t3,$sigma,$sigma # Sigma0(a)
+
+ vpaddd $Xi,$h,$h # h+=Xi
+ vpaddd $sigma,$h,$h # h+=Sigma0(a)
+___
+$code.=<<___ if (($i%8)==7);
+ add \$`32*8`,$Tbl
+___
+ ($axb,$bxc)=($bxc,$axb);
+}
+
+sub ROUND_16_XX_avx {
+my $i=shift;
+
+$code.=<<___;
+ vmovdqu `&Xi_off($i+1)`,$Xn
+ vpaddd `&Xi_off($i+9)`,$Xi,$Xi # Xi+=X[i+9]
+
+ vpsrld \$3,$Xn,$sigma
+ vpsrld \$7,$Xn,$t2
+ vpslld \$25,$Xn,$t3
+ vpxor $t2,$sigma,$sigma
+ vpsrld \$18,$Xn,$t2
+ vpxor $t3,$sigma,$sigma
+ vpslld \$14,$Xn,$t3
+ vmovdqu `&Xi_off($i+14)`,$t1
+ vpsrld \$10,$t1,$axb # borrow $axb
+
+ vpxor $t2,$sigma,$sigma
+ vpsrld \$17,$t1,$t2
+ vpxor $t3,$sigma,$sigma # sigma0(X[i+1])
+ vpslld \$15,$t1,$t3
+ vpaddd $sigma,$Xi,$Xi # Xi+=sigma0(e)
+ vpxor $t2,$axb,$sigma
+ vpsrld \$19,$t1,$t2
+ vpxor $t3,$sigma,$sigma
+ vpslld \$13,$t1,$t3
+ vpxor $t2,$sigma,$sigma
+ vpxor $t3,$sigma,$sigma # sigma0(X[i+14])
+ vpaddd $sigma,$Xi,$Xi # Xi+=sigma1(X[i+14])
+___
+ &ROUND_00_15_avx($i,@_);
+ ($Xi,$Xn)=($Xn,$Xi);
+}
+
+$code.=<<___;
+.type sha256_multi_block_avx,\@function,3
+.align 32
+sha256_multi_block_avx:
+_avx_shortcut:
+___
+$code.=<<___ if ($avx>1);
+ shr \$32,%rcx
+ cmp \$2,$num
+ jb .Lavx
+ test \$`1<<5`,%ecx
+ jnz _avx2_shortcut
+ jmp .Lavx
+.align 32
+.Lavx:
+___
+$code.=<<___;
+ mov %rsp,%rax
+ push %rbx
+ push %rbp
+___
+$code.=<<___ if ($win64);
+ lea -0xa8(%rsp),%rsp
+ movaps %xmm6,(%rsp)
+ movaps %xmm7,0x10(%rsp)
+ movaps %xmm8,0x20(%rsp)
+ movaps %xmm9,0x30(%rsp)
+ movaps %xmm10,-0x78(%rax)
+ movaps %xmm11,-0x68(%rax)
+ movaps %xmm12,-0x58(%rax)
+ movaps %xmm13,-0x48(%rax)
+ movaps %xmm14,-0x38(%rax)
+ movaps %xmm15,-0x28(%rax)
+___
+$code.=<<___;
+ sub \$`$REG_SZ*18`, %rsp
+ and \$-256,%rsp
+ mov %rax,`$REG_SZ*17`(%rsp) # original %rsp
+.Lbody_avx:
+ lea K256+128(%rip),$Tbl
+ lea `$REG_SZ*16`(%rsp),%rbx
+ lea 0x80($ctx),$ctx # size optimization
+
+.Loop_grande_avx:
+ mov $num,`$REG_SZ*17+8`(%rsp) # original $num
+ xor $num,$num
+___
+for($i=0;$i<4;$i++) {
+ $code.=<<___;
+ mov `16*$i+0`($inp),@ptr[$i] # input pointer
+ mov `16*$i+8`($inp),%ecx # number of blocks
+ cmp $num,%ecx
+ cmovg %ecx,$num # find maximum
+ test %ecx,%ecx
+ mov %ecx,`4*$i`(%rbx) # initialize counters
+ cmovle $Tbl,@ptr[$i] # cancel input
+___
+}
+$code.=<<___;
+ test $num,$num
+ jz .Ldone_avx
+
+ vmovdqu 0x00-0x80($ctx),$A # load context
+ lea 128(%rsp),%rax
+ vmovdqu 0x20-0x80($ctx),$B
+ vmovdqu 0x40-0x80($ctx),$C
+ vmovdqu 0x60-0x80($ctx),$D
+ vmovdqu 0x80-0x80($ctx),$E
+ vmovdqu 0xa0-0x80($ctx),$F
+ vmovdqu 0xc0-0x80($ctx),$G
+ vmovdqu 0xe0-0x80($ctx),$H
+ vmovdqu .Lpbswap(%rip),$Xn
+ jmp .Loop_avx
+
+.align 32
+.Loop_avx:
+ vpxor $B,$C,$bxc # magic seed
+___
+for($i=0;$i<16;$i++) { &ROUND_00_15_avx($i,@V); unshift(@V,pop(@V)); }
+$code.=<<___;
+ vmovdqu `&Xi_off($i)`,$Xi
+ mov \$3,%ecx
+ jmp .Loop_16_xx_avx
+.align 32
+.Loop_16_xx_avx:
+___
+for(;$i<32;$i++) { &ROUND_16_XX_avx($i,@V); unshift(@V,pop(@V)); }
+$code.=<<___;
+ dec %ecx
+ jnz .Loop_16_xx_avx
+
+ mov \$1,%ecx
+ lea K256+128(%rip),$Tbl
+___
+for($i=0;$i<4;$i++) {
+ $code.=<<___;
+ cmp `4*$i`(%rbx),%ecx # examine counters
+ cmovge $Tbl,@ptr[$i] # cancel input
+___
+}
+$code.=<<___;
+ vmovdqa (%rbx),$sigma # pull counters
+ vpxor $t1,$t1,$t1
+ vmovdqa $sigma,$Xn
+ vpcmpgtd $t1,$Xn,$Xn # mask value
+ vpaddd $Xn,$sigma,$sigma # counters--
+
+ vmovdqu 0x00-0x80($ctx),$t1
+ vpand $Xn,$A,$A
+ vmovdqu 0x20-0x80($ctx),$t2
+ vpand $Xn,$B,$B
+ vmovdqu 0x40-0x80($ctx),$t3
+ vpand $Xn,$C,$C
+ vmovdqu 0x60-0x80($ctx),$Xi
+ vpand $Xn,$D,$D
+ vpaddd $t1,$A,$A
+ vmovdqu 0x80-0x80($ctx),$t1
+ vpand $Xn,$E,$E
+ vpaddd $t2,$B,$B
+ vmovdqu 0xa0-0x80($ctx),$t2
+ vpand $Xn,$F,$F
+ vpaddd $t3,$C,$C
+ vmovdqu 0xc0-0x80($ctx),$t3
+ vpand $Xn,$G,$G
+ vpaddd $Xi,$D,$D
+ vmovdqu 0xe0-0x80($ctx),$Xi
+ vpand $Xn,$H,$H
+ vpaddd $t1,$E,$E
+ vpaddd $t2,$F,$F
+ vmovdqu $A,0x00-0x80($ctx)
+ vpaddd $t3,$G,$G
+ vmovdqu $B,0x20-0x80($ctx)
+ vpaddd $Xi,$H,$H
+ vmovdqu $C,0x40-0x80($ctx)
+ vmovdqu $D,0x60-0x80($ctx)
+ vmovdqu $E,0x80-0x80($ctx)
+ vmovdqu $F,0xa0-0x80($ctx)
+ vmovdqu $G,0xc0-0x80($ctx)
+ vmovdqu $H,0xe0-0x80($ctx)
+
+ vmovdqu $sigma,(%rbx) # save counters
+ vmovdqu .Lpbswap(%rip),$Xn
+ dec $num
+ jnz .Loop_avx
+
+ mov `$REG_SZ*17+8`(%rsp),$num
+ lea $REG_SZ($ctx),$ctx
+ lea `16*$REG_SZ/4`($inp),$inp
+ dec $num
+ jnz .Loop_grande_avx
+
+.Ldone_avx:
+ mov `$REG_SZ*17`(%rsp),%rax # orignal %rsp
+ vzeroupper
+___
+$code.=<<___ if ($win64);
+ movaps -0xb8(%rax),%xmm6
+ movaps -0xa8(%rax),%xmm7
+ movaps -0x98(%rax),%xmm8
+ movaps -0x88(%rax),%xmm9
+ movaps -0x78(%rax),%xmm10
+ movaps -0x68(%rax),%xmm11
+ movaps -0x58(%rax),%xmm12
+ movaps -0x48(%rax),%xmm13
+ movaps -0x38(%rax),%xmm14
+ movaps -0x28(%rax),%xmm15
+___
+$code.=<<___;
+ mov -16(%rax),%rbp
+ mov -8(%rax),%rbx
+ lea (%rax),%rsp
+.Lepilogue_avx:
+ ret
+.size sha256_multi_block_avx,.-sha256_multi_block_avx
+___
+ if ($avx>1) {
+$code =~ s/\`([^\`]*)\`/eval $1/gem;
+
+$REG_SZ=32;
+@ptr=map("%r$_",(12..15,8..11));
+
+@V=($A,$B,$C,$D,$E,$F,$G,$H)=map("%ymm$_",(8..15));
+($t1,$t2,$t3,$axb,$bxc,$Xi,$Xn,$sigma)=map("%ymm$_",(0..7));
+
+$code.=<<___;
+.type sha256_multi_block_avx2,\@function,3
+.align 32
+sha256_multi_block_avx2:
+_avx2_shortcut:
+ mov %rsp,%rax
+ push %rbx
+ push %rbp
+ push %r12
+ push %r13
+ push %r14
+ push %r15
+___
+$code.=<<___ if ($win64);
+ lea -0xa8(%rsp),%rsp
+ movaps %xmm6,(%rsp)
+ movaps %xmm7,0x10(%rsp)
+ movaps %xmm8,0x20(%rsp)
+ movaps %xmm9,0x30(%rsp)
+ movaps %xmm10,0x40(%rsp)
+ movaps %xmm11,0x50(%rsp)
+ movaps %xmm12,-0x78(%rax)
+ movaps %xmm13,-0x68(%rax)
+ movaps %xmm14,-0x58(%rax)
+ movaps %xmm15,-0x48(%rax)
+___
+$code.=<<___;
+ sub \$`$REG_SZ*18`, %rsp
+ and \$-256,%rsp
+ mov %rax,`$REG_SZ*17`(%rsp) # original %rsp
+.Lbody_avx2:
+ lea K256+128(%rip),$Tbl
+ lea 0x80($ctx),$ctx # size optimization
+
+.Loop_grande_avx2:
+ mov $num,`$REG_SZ*17+8`(%rsp) # original $num
+ xor $num,$num
+ lea `$REG_SZ*16`(%rsp),%rbx
+___
+for($i=0;$i<8;$i++) {
+ $code.=<<___;
+ mov `16*$i+0`($inp),@ptr[$i] # input pointer
+ mov `16*$i+8`($inp),%ecx # number of blocks
+ cmp $num,%ecx
+ cmovg %ecx,$num # find maximum
+ test %ecx,%ecx
+ mov %ecx,`4*$i`(%rbx) # initialize counters
+ cmovle $Tbl,@ptr[$i] # cancel input
+___
+}
+$code.=<<___;
+ vmovdqu 0x00-0x80($ctx),$A # load context
+ lea 128(%rsp),%rax
+ vmovdqu 0x20-0x80($ctx),$B
+ lea 256+128(%rsp),%rbx
+ vmovdqu 0x40-0x80($ctx),$C
+ vmovdqu 0x60-0x80($ctx),$D
+ vmovdqu 0x80-0x80($ctx),$E
+ vmovdqu 0xa0-0x80($ctx),$F
+ vmovdqu 0xc0-0x80($ctx),$G
+ vmovdqu 0xe0-0x80($ctx),$H
+ vmovdqu .Lpbswap(%rip),$Xn
+ jmp .Loop_avx2
+
+.align 32
+.Loop_avx2:
+ vpxor $B,$C,$bxc # magic seed
+___
+for($i=0;$i<16;$i++) { &ROUND_00_15_avx($i,@V); unshift(@V,pop(@V)); }
+$code.=<<___;
+ vmovdqu `&Xi_off($i)`,$Xi
+ mov \$3,%ecx
+ jmp .Loop_16_xx_avx2
+.align 32
+.Loop_16_xx_avx2:
+___
+for(;$i<32;$i++) { &ROUND_16_XX_avx($i,@V); unshift(@V,pop(@V)); }
+$code.=<<___;
+ dec %ecx
+ jnz .Loop_16_xx_avx2
+
+ mov \$1,%ecx
+ lea `$REG_SZ*16`(%rsp),%rbx
+ lea K256+128(%rip),$Tbl
+___
+for($i=0;$i<8;$i++) {
+ $code.=<<___;
+ cmp `4*$i`(%rbx),%ecx # examine counters
+ cmovge $Tbl,@ptr[$i] # cancel input
+___
+}
+$code.=<<___;
+ vmovdqa (%rbx),$sigma # pull counters
+ vpxor $t1,$t1,$t1
+ vmovdqa $sigma,$Xn
+ vpcmpgtd $t1,$Xn,$Xn # mask value
+ vpaddd $Xn,$sigma,$sigma # counters--
+
+ vmovdqu 0x00-0x80($ctx),$t1
+ vpand $Xn,$A,$A
+ vmovdqu 0x20-0x80($ctx),$t2
+ vpand $Xn,$B,$B
+ vmovdqu 0x40-0x80($ctx),$t3
+ vpand $Xn,$C,$C
+ vmovdqu 0x60-0x80($ctx),$Xi
+ vpand $Xn,$D,$D
+ vpaddd $t1,$A,$A
+ vmovdqu 0x80-0x80($ctx),$t1
+ vpand $Xn,$E,$E
+ vpaddd $t2,$B,$B
+ vmovdqu 0xa0-0x80($ctx),$t2
+ vpand $Xn,$F,$F
+ vpaddd $t3,$C,$C
+ vmovdqu 0xc0-0x80($ctx),$t3
+ vpand $Xn,$G,$G
+ vpaddd $Xi,$D,$D
+ vmovdqu 0xe0-0x80($ctx),$Xi
+ vpand $Xn,$H,$H
+ vpaddd $t1,$E,$E
+ vpaddd $t2,$F,$F
+ vmovdqu $A,0x00-0x80($ctx)
+ vpaddd $t3,$G,$G
+ vmovdqu $B,0x20-0x80($ctx)
+ vpaddd $Xi,$H,$H
+ vmovdqu $C,0x40-0x80($ctx)
+ vmovdqu $D,0x60-0x80($ctx)
+ vmovdqu $E,0x80-0x80($ctx)
+ vmovdqu $F,0xa0-0x80($ctx)
+ vmovdqu $G,0xc0-0x80($ctx)
+ vmovdqu $H,0xe0-0x80($ctx)
+
+ vmovdqu $sigma,(%rbx) # save counters
+ lea 256+128(%rsp),%rbx
+ vmovdqu .Lpbswap(%rip),$Xn
+ dec $num
+ jnz .Loop_avx2
+
+ #mov `$REG_SZ*17+8`(%rsp),$num
+ #lea $REG_SZ($ctx),$ctx
+ #lea `16*$REG_SZ/4`($inp),$inp
+ #dec $num
+ #jnz .Loop_grande_avx2
+
+.Ldone_avx2:
+ mov `$REG_SZ*17`(%rsp),%rax # orignal %rsp
+ vzeroupper
+___
+$code.=<<___ if ($win64);
+ movaps -0xd8(%rax),%xmm6
+ movaps -0xc8(%rax),%xmm7
+ movaps -0xb8(%rax),%xmm8
+ movaps -0xa8(%rax),%xmm9
+ movaps -0x98(%rax),%xmm10
+ movaps -0x88(%rax),%xmm11
+ movaps -0x78(%rax),%xmm12
+ movaps -0x68(%rax),%xmm13
+ movaps -0x58(%rax),%xmm14
+ movaps -0x48(%rax),%xmm15
+___
+$code.=<<___;
+ mov -48(%rax),%r15
+ mov -40(%rax),%r14
+ mov -32(%rax),%r13
+ mov -24(%rax),%r12
+ mov -16(%rax),%rbp
+ mov -8(%rax),%rbx
+ lea (%rax),%rsp
+.Lepilogue_avx2:
+ ret
+.size sha256_multi_block_avx2,.-sha256_multi_block_avx2
+___
+ } }}}
+$code.=<<___;
+.align 256
+K256:
+___
+sub TABLE {
+ foreach (@_) {
+ $code.=<<___;
+ .long $_,$_,$_,$_
+ .long $_,$_,$_,$_
+___
+ }
+}
+&TABLE( 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5,
+ 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5,
+ 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3,
+ 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174,
+ 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc,
+ 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da,
+ 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7,
+ 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967,
+ 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13,
+ 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85,
+ 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3,
+ 0xd192e819,0xd6990624,0xf40e3585,0x106aa070,
+ 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5,
+ 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3,
+ 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208,
+ 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2 );
+$code.=<<___;
+.Lpbswap:
+ .long 0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f # pbswap
+ .long 0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f # pbswap
+K256_shaext:
+ .long 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
+ .long 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
+ .long 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3
+ .long 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174
+ .long 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc
+ .long 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da
+ .long 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7
+ .long 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967
+ .long 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13
+ .long 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85
+ .long 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3
+ .long 0xd192e819,0xd6990624,0xf40e3585,0x106aa070
+ .long 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5
+ .long 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
+ .long 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
+ .long 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
+ .asciz "SHA256 multi-block transform for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
+___
+
+if ($win64) {
+# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
+# CONTEXT *context,DISPATCHER_CONTEXT *disp)
+$rec="%rcx";
+$frame="%rdx";
+$context="%r8";
+$disp="%r9";
+
+$code.=<<___;
+.extern __imp_RtlVirtualUnwind
+.type se_handler,\@abi-omnipotent
+.align 16
+se_handler:
+ push %rsi
+ push %rdi
+ push %rbx
+ push %rbp
+ push %r12
+ push %r13
+ push %r14
+ push %r15
+ pushfq
+ sub \$64,%rsp
+
+ mov 120($context),%rax # pull context->Rax
+ mov 248($context),%rbx # pull context->Rip
+
+ mov 8($disp),%rsi # disp->ImageBase
+ mov 56($disp),%r11 # disp->HandlerData
+
+ mov 0(%r11),%r10d # HandlerData[0]
+ lea (%rsi,%r10),%r10 # end of prologue label
+ cmp %r10,%rbx # context->Rip<.Lbody
+ jb .Lin_prologue
+
+ mov 152($context),%rax # pull context->Rsp
+
+ mov 4(%r11),%r10d # HandlerData[1]
+ lea (%rsi,%r10),%r10 # epilogue label
+ cmp %r10,%rbx # context->Rip>=.Lepilogue
+ jae .Lin_prologue
+
+ mov `16*17`(%rax),%rax # pull saved stack pointer
+
+ mov -8(%rax),%rbx
+ mov -16(%rax),%rbp
+ mov %rbx,144($context) # restore context->Rbx
+ mov %rbp,160($context) # restore context->Rbp
+
+ lea -24-10*16(%rax),%rsi
+ lea 512($context),%rdi # &context.Xmm6
+ mov \$20,%ecx
+ .long 0xa548f3fc # cld; rep movsq
+
+.Lin_prologue:
+ mov 8(%rax),%rdi
+ mov 16(%rax),%rsi
+ mov %rax,152($context) # restore context->Rsp
+ mov %rsi,168($context) # restore context->Rsi
+ mov %rdi,176($context) # restore context->Rdi
+
+ mov 40($disp),%rdi # disp->ContextRecord
+ mov $context,%rsi # context
+ mov \$154,%ecx # sizeof(CONTEXT)
+ .long 0xa548f3fc # cld; rep movsq
+
+ mov $disp,%rsi
+ xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
+ mov 8(%rsi),%rdx # arg2, disp->ImageBase
+ mov 0(%rsi),%r8 # arg3, disp->ControlPc
+ mov 16(%rsi),%r9 # arg4, disp->FunctionEntry
+ mov 40(%rsi),%r10 # disp->ContextRecord
+ lea 56(%rsi),%r11 # &disp->HandlerData
+ lea 24(%rsi),%r12 # &disp->EstablisherFrame
+ mov %r10,32(%rsp) # arg5
+ mov %r11,40(%rsp) # arg6
+ mov %r12,48(%rsp) # arg7
+ mov %rcx,56(%rsp) # arg8, (NULL)
+ call *__imp_RtlVirtualUnwind(%rip)
+
+ mov \$1,%eax # ExceptionContinueSearch
+ add \$64,%rsp
+ popfq
+ pop %r15
+ pop %r14
+ pop %r13
+ pop %r12
+ pop %rbp
+ pop %rbx
+ pop %rdi
+ pop %rsi
+ ret
+.size se_handler,.-se_handler
+___
+$code.=<<___ if ($avx>1);
+.type avx2_handler,\@abi-omnipotent
+.align 16
+avx2_handler:
+ push %rsi
+ push %rdi
+ push %rbx
+ push %rbp
+ push %r12
+ push %r13
+ push %r14
+ push %r15
+ pushfq
+ sub \$64,%rsp
+
+ mov 120($context),%rax # pull context->Rax
+ mov 248($context),%rbx # pull context->Rip
+
+ mov 8($disp),%rsi # disp->ImageBase
+ mov 56($disp),%r11 # disp->HandlerData
+
+ mov 0(%r11),%r10d # HandlerData[0]
+ lea (%rsi,%r10),%r10 # end of prologue label
+ cmp %r10,%rbx # context->Rip<body label
+ jb .Lin_prologue
+
+ mov 152($context),%rax # pull context->Rsp
+
+ mov 4(%r11),%r10d # HandlerData[1]
+ lea (%rsi,%r10),%r10 # epilogue label
+ cmp %r10,%rbx # context->Rip>=epilogue label
+ jae .Lin_prologue
+
+ mov `32*17`($context),%rax # pull saved stack pointer
+
+ mov -8(%rax),%rbx
+ mov -16(%rax),%rbp
+ mov -24(%rax),%r12
+ mov -32(%rax),%r13
+ mov -40(%rax),%r14
+ mov -48(%rax),%r15
+ mov %rbx,144($context) # restore context->Rbx
+ mov %rbp,160($context) # restore context->Rbp
+ mov %r12,216($context) # restore cotnext->R12
+ mov %r13,224($context) # restore cotnext->R13
+ mov %r14,232($context) # restore cotnext->R14
+ mov %r15,240($context) # restore cotnext->R15
+
+ lea -56-10*16(%rax),%rsi
+ lea 512($context),%rdi # &context.Xmm6
+ mov \$20,%ecx
+ .long 0xa548f3fc # cld; rep movsq
+
+ jmp .Lin_prologue
+.size avx2_handler,.-avx2_handler
+___
+$code.=<<___;
+.section .pdata
+.align 4
+ .rva .LSEH_begin_sha256_multi_block
+ .rva .LSEH_end_sha256_multi_block
+ .rva .LSEH_info_sha256_multi_block
+ .rva .LSEH_begin_sha256_multi_block_shaext
+ .rva .LSEH_end_sha256_multi_block_shaext
+ .rva .LSEH_info_sha256_multi_block_shaext
+___
+$code.=<<___ if ($avx);
+ .rva .LSEH_begin_sha256_multi_block_avx
+ .rva .LSEH_end_sha256_multi_block_avx
+ .rva .LSEH_info_sha256_multi_block_avx
+___
+$code.=<<___ if ($avx>1);
+ .rva .LSEH_begin_sha256_multi_block_avx2
+ .rva .LSEH_end_sha256_multi_block_avx2
+ .rva .LSEH_info_sha256_multi_block_avx2
+___
+$code.=<<___;
+.section .xdata
+.align 8
+.LSEH_info_sha256_multi_block:
+ .byte 9,0,0,0
+ .rva se_handler
+ .rva .Lbody,.Lepilogue # HandlerData[]
+.LSEH_info_sha256_multi_block_shaext:
+ .byte 9,0,0,0
+ .rva se_handler
+ .rva .Lbody_shaext,.Lepilogue_shaext # HandlerData[]
+___
+$code.=<<___ if ($avx);
+.LSEH_info_sha256_multi_block_avx:
+ .byte 9,0,0,0
+ .rva se_handler
+ .rva .Lbody_avx,.Lepilogue_avx # HandlerData[]
+___
+$code.=<<___ if ($avx>1);
+.LSEH_info_sha256_multi_block_avx2:
+ .byte 9,0,0,0
+ .rva avx2_handler
+ .rva .Lbody_avx2,.Lepilogue_avx2 # HandlerData[]
+___
+}
+####################################################################
+
+sub rex {
+ local *opcode=shift;
+ my ($dst,$src)=@_;
+ my $rex=0;
+
+ $rex|=0x04 if ($dst>=8);
+ $rex|=0x01 if ($src>=8);
+ unshift @opcode,$rex|0x40 if ($rex);
+}
+
+sub sha256op38 {
+ my $instr = shift;
+ my %opcodelet = (
+ "sha256rnds2" => 0xcb,
+ "sha256msg1" => 0xcc,
+ "sha256msg2" => 0xcd );
+
+ if (defined($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 $instr."\t".@_[0];
+ }
+}
+
+foreach (split("\n",$code)) {
+ s/\`([^\`]*)\`/eval($1)/ge;
+
+ s/\b(sha256[^\s]*)\s+(.*)/sha256op38($1,$2)/geo or
+
+ s/\b(vmov[dq])\b(.+)%ymm([0-9]+)/$1$2%xmm$3/go or
+ s/\b(vmovdqu)\b(.+)%x%ymm([0-9]+)/$1$2%xmm$3/go or
+ s/\b(vpinsr[qd])\b(.+)%ymm([0-9]+),%ymm([0-9]+)/$1$2%xmm$3,%xmm$4/go or
+ s/\b(vpextr[qd])\b(.+)%ymm([0-9]+)/$1$2%xmm$3/go or
+ s/\b(vinserti128)\b(\s+)%ymm/$1$2\$1,%xmm/go or
+ s/\b(vpbroadcast[qd]\s+)%ymm([0-9]+)/$1%xmm$2/go;
+
+ print $_,"\n";
+}
+
+close STDOUT;