Add SHA for ARMv8.

#!/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/.

# ====================================================================

#

# SHA1 for ARMv8.

#

# Performance in cycles per processed byte and improvement coefficient

# over code generated with "default" compiler:

#

#		hardware-assisted	software(*)

# Apple A7	2.31			4.13 (+14%)

# Cortex-A5x	n/a			n/a

#

# (*)	Software results are presented mostly for reference purposes.

$flavour = shift;

open STDOUT,">".shift;

($ctx,$inp,$num)=("x0","x1","x2");

@Xw=map("w$_",(3..17,19));

@Xx=map("x$_",(3..17,19));

@V=($A,$B,$C,$D,$E)=map("w$_",(20..24));

($t0,$t1,$t2,$K)=map("w$_",(25..28));

sub BODY_00_19 {

my ($i,$a,$b,$c,$d,$e)=@_;

my $j=($i+2)&15;

$code.=<<___ if ($i<15 && !($i&1));

	lsr	@Xx[$i+1],@Xx[$i],#32

___

$code.=<<___ if ($i<14 && !($i&1));

	ldr	@Xx[$i+2],[$inp,#`($i+2)*4-64`]

___

$code.=<<___ if ($i<14 && ($i&1));

#ifdef	__ARMEB__

	ror	@Xx[$i+1],@Xx[$i+1],#32

#else

	rev32	@Xx[$i+1],@Xx[$i+1]

#endif

___

$code.=<<___ if ($i<14);

	bic	$t0,$d,$b

	and	$t1,$c,$b

	ror	$t2,$a,#27

	add	$d,$d,$K		// future e+=K

	orr	$t0,$t0,$t1

	add	$e,$e,$t2		// e+=rot(a,5)

	ror	$b,$b,#2

	add	$d,$d,@Xw[($i+1)&15]	// future e+=X[i]

	add	$e,$e,$t0		// e+=F(b,c,d)

___

$code.=<<___ if ($i==19);

	movz	$K,#0xeba1

	movk	$K,#0x6ed9,lsl#16

___

$code.=<<___ if ($i>=14);

	 eor	@Xw[$j],@Xw[$j],@Xw[($j+2)&15]

	bic	$t0,$d,$b

	and	$t1,$c,$b

	ror	$t2,$a,#27

	 eor	@Xw[$j],@Xw[$j],@Xw[($j+8)&15]

	add	$d,$d,$K		// future e+=K

	orr	$t0,$t0,$t1

	add	$e,$e,$t2		// e+=rot(a,5)

	 eor	@Xw[$j],@Xw[$j],@Xw[($j+13)&15]

	ror	$b,$b,#2

	add	$d,$d,@Xw[($i+1)&15]	// future e+=X[i]

	add	$e,$e,$t0		// e+=F(b,c,d)

	 ror	@Xw[$j],@Xw[$j],#31

___

}

sub BODY_40_59 {

my ($i,$a,$b,$c,$d,$e)=@_;

my $j=($i+2)&15;

$code.=<<___ if ($i==59);

	movz	$K,#0xc1d6

	movk	$K,#0xca62,lsl#16

___

$code.=<<___;

	orr	$t0,$b,$c

	and	$t1,$b,$c

	 eor	@Xw[$j],@Xw[$j],@Xw[($j+2)&15]

	ror	$t2,$a,#27

	and	$t0,$t0,$d

	add	$d,$d,$K		// future e+=K

	 eor	@Xw[$j],@Xw[$j],@Xw[($j+8)&15]

	add	$e,$e,$t2		// e+=rot(a,5)

	orr	$t0,$t0,$t1

	ror	$b,$b,#2

	 eor	@Xw[$j],@Xw[$j],@Xw[($j+13)&15]

	add	$d,$d,@Xw[($i+1)&15]	// future e+=X[i]

	add	$e,$e,$t0		// e+=F(b,c,d)

	 ror	@Xw[$j],@Xw[$j],#31

___

}

sub BODY_20_39 {

my ($i,$a,$b,$c,$d,$e)=@_;

my $j=($i+2)&15;

$code.=<<___ if ($i==39);

	movz	$K,#0xbcdc

	movk	$K,#0x8f1b,lsl#16

___

$code.=<<___ if ($i<78);

	 eor	@Xw[$j],@Xw[$j],@Xw[($j+2)&15]

	eor	$t0,$d,$b

	ror	$t2,$a,#27

	add	$d,$d,$K		// future e+=K

	 eor	@Xw[$j],@Xw[$j],@Xw[($j+8)&15]

	eor	$t0,$t0,$c

	add	$e,$e,$t2		// e+=rot(a,5)

	ror	$b,$b,#2

	 eor	@Xw[$j],@Xw[$j],@Xw[($j+13)&15]

	add	$d,$d,@Xw[($i+1)&15]	// future e+=X[i]

	add	$e,$e,$t0		// e+=F(b,c,d)

	 ror	@Xw[$j],@Xw[$j],#31

___

$code.=<<___ if ($i==78);

	ldp	@Xw[1],@Xw[2],[$ctx]

	eor	$t0,$d,$b

	ror	$t2,$a,#27

	add	$d,$d,$K		// future e+=K

	eor	$t0,$t0,$c

	add	$e,$e,$t2		// e+=rot(a,5)

	ror	$b,$b,#2

	add	$d,$d,@Xw[($i+1)&15]	// future e+=X[i]

	add	$e,$e,$t0		// e+=F(b,c,d)

___

$code.=<<___ if ($i==79);

	ldp	@Xw[3],@Xw[4],[$ctx,#8]

	eor	$t0,$d,$b

	ror	$t2,$a,#27

	eor	$t0,$t0,$c

	add	$e,$e,$t2		// e+=rot(a,5)

	ror	$b,$b,#2

	ldr	@Xw[5],[$ctx,#16]

	add	$e,$e,$t0		// e+=F(b,c,d)

___

}

$code.=<<___;

#include "arm_arch.h"

.text

.globl	sha1_block_data_order

.type	sha1_block_data_order,%function

.align	6

sha1_block_data_order:

	ldr	x16,.LOPENSSL_armcap_P

	adr	x17,.LOPENSSL_armcap_P

	add	x16,x16,x17

	ldr	w16,[x16]

	tst	w16,#ARMV8_SHA1

	b.ne	.Lv8_entry

	stp	x29,x30,[sp,#-96]!

	add	x29,sp,#0

	stp	x19,x20,[sp,#16]

	stp	x21,x22,[sp,#32]

	stp	x23,x24,[sp,#48]

	stp	x25,x26,[sp,#64]

	stp	x27,x28,[sp,#80]

	ldp	$A,$B,[$ctx]

	ldp	$C,$D,[$ctx,#8]

	ldr	$E,[$ctx,#16]

.Loop:

	ldr	@Xx[0],[$inp],#64

	movz	$K,#0x7999

	sub	$num,$num,#1

	movk	$K,#0x5a82,lsl#16

#ifdef	__ARMEB__

	ror	$Xx[0],@Xx[0],#32

#else

	rev32	@Xx[0],@Xx[0]

#endif

	add	$E,$E,$K		// warm it up

	add	$E,$E,@Xw[0]

___

for($i=0;$i<20;$i++)	{ &BODY_00_19($i,@V); unshift(@V,pop(@V)); }

for(;$i<40;$i++)	{ &BODY_20_39($i,@V); unshift(@V,pop(@V)); }

for(;$i<60;$i++)	{ &BODY_40_59($i,@V); unshift(@V,pop(@V)); }

for(;$i<80;$i++)	{ &BODY_20_39($i,@V); unshift(@V,pop(@V)); }

$code.=<<___;

	add	$B,$B,@Xw[2]

	add	$C,$C,@Xw[3]

	add	$A,$A,@Xw[1]

	add	$D,$D,@Xw[4]

	add	$E,$E,@Xw[5]

	stp	$A,$B,[$ctx]

	stp	$C,$D,[$ctx,#8]

	str	$E,[$ctx,#16]

	cbnz	$num,.Loop

	ldp	x19,x20,[sp,#16]

	ldp	x21,x22,[sp,#32]

	ldp	x23,x24,[sp,#48]

	ldp	x25,x26,[sp,#64]

	ldp	x27,x28,[sp,#80]

	ldr	x29,[sp],#96

	ret

.size	sha1_block_data_order,.-sha1_block_data_order

___

{{{

my ($ABCD,$E,$E0,$E1)=map("v$_.16b",(0..3));

my @MSG=map("v$_.16b",(4..7));

my @Kxx=map("v$_.4s",(16..19));

my ($W0,$W1)=("v20.4s","v21.4s");

my $ABCD_SAVE="v22.16b";

$code.=<<___;

.type	sha1_block_armv8,%function

.align	6

sha1_block_armv8:

.Lv8_entry:

	stp	x29,x30,[sp,#-16]!

	add	x29,sp,#0

	adr	x4,.Lconst

	eor	$E,$E,$E

	ld1.32	{$ABCD},[$ctx],#16

	ld1.32	{$E}[0],[$ctx]

	sub	$ctx,$ctx,#16

	ld1.32	{@Kxx[0]-@Kxx[3]},[x4]

.Loop_hw:

	ld1	{@MSG[0]-@MSG[3]},[$inp],#64

	sub	$num,$num,#1

	rev32	@MSG[0],@MSG[0]

	rev32	@MSG[1],@MSG[1]

	add.i32	$W0,@Kxx[0],@MSG[0]

	rev32	@MSG[2],@MSG[2]

	orr	$ABCD_SAVE,$ABCD,$ABCD	// offload

	add.i32	$W1,@Kxx[0],@MSG[1]

	rev32	@MSG[3],@MSG[3]

	sha1h	$E1,$ABCD

	sha1c	$ABCD,$E,$W0		// 0

	add.i32	$W0,@Kxx[$j],@MSG[2]

	sha1su0	@MSG[0],@MSG[1],@MSG[2]

___

for ($j=0,$i=1;$i<20-3;$i++) {

my $f=("c","p","m","p")[$i/5];

$code.=<<___;

	sha1h	$E0,$ABCD		// $i

	sha1$f	$ABCD,$E1,$W1

	add.i32	$W1,@Kxx[$j],@MSG[3]

	sha1su1	@MSG[0],@MSG[3]

___

$code.=<<___ if ($i<20-4);

	sha1su0	@MSG[1],@MSG[2],@MSG[3]

___

	($E0,$E1)=($E1,$E0);		($W0,$W1)=($W1,$W0);

	push(@MSG,shift(@MSG));		$j++ if ((($i+3)%5)==0);

}

$code.=<<___;

	sha1h	$E0,$ABCD		// $i

	sha1p	$ABCD,$E1,$W1

	add.i32	$W1,@Kxx[$j],@MSG[3]

	sha1h	$E1,$ABCD		// 18

	sha1p	$ABCD,$E0,$W0

	sha1h	$E0,$ABCD		// 19

	sha1p	$ABCD,$E1,$W1

	add.i32	$E,$E,$E0

	add.i32	$ABCD,$ABCD,$ABCD_SAVE

	cbnz	$num,.Loop_hw

	st1.32	{$ABCD},[$ctx],#16

	st1.32	{$E}[0],[$ctx]

	ldr	x29,[sp],#16

	ret

.size	sha1_block_armv8,.-sha1_block_armv8

.align	6

.Lconst:

.long	0x5a827999,0x5a827999,0x5a827999,0x5a827999	//K_00_19

.long	0x6ed9eba1,0x6ed9eba1,0x6ed9eba1,0x6ed9eba1	//K_20_39

.long	0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc	//K_40_59

.long	0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6	//K_60_79

.LOPENSSL_armcap_P:

.quad	OPENSSL_armcap_P-.

.asciz	"SHA1 block transform for ARMv8, CRYPTOGAMS by <appro\@openssl.org>"

.align	2

.comm	OPENSSL_armcap_P,4,4

___

}}}

{   my	%opcode = (

	"sha1c"		=> 0x5e000000,	"sha1p"		=> 0x5e001000,

	"sha1m"		=> 0x5e002000,	"sha1su0"	=> 0x5e003000,

	"sha1h"		=> 0x5e280800,	"sha1su1"	=> 0x5e281800	);

    sub unsha1 {

	my ($mnemonic,$arg)=@_;

	$arg =~ m/[qv]([0-9]+)[^,]*,\s*[qv]([0-9]+)[^,]*(?:,\s*[qv]([0-9]+))?/o

	&&

	sprintf ".long\t0x%08x\t//%s %s",

			$opcode{$mnemonic}|$1|($2<<5)|($3<<16),

			$mnemonic,$arg;

    }

}

foreach(split("\n",$code)) {

	s/\`([^\`]*)\`/eval($1)/geo;

	s/\b(sha1\w+)\s+([qv].*)/unsha1($1,$2)/geo;

	s/\.\w?32\b//o		and s/\.16b/\.4s/go;

	m/(ld|st)1[^\[]+\[0\]/o	and s/\.4s/\.s/go;

	print $_,"\n";

}

close STDOUT;

#!/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/.

# ====================================================================

#

# SHA256/512 for ARMv8.

#

# Performance in cycles per processed byte and improvement coefficient

# over code generated with "default" compiler:

#

#		SHA256-hw	SHA256(*)	SHA512

# Apple A7	1.97		10.5 (+33%)	6.73 (-1%(**))

# Cortex-A5x	n/a		n/a		n/a

# 

# (*)	Software SHA256 results are of lesser relevance, presented

#	mostly for informational purposes.

# (**)	The result is a trade-off: it's possible to improve it by

#	10%, but at the cost of 20% loss on Cortex-A5x.

$flavour=shift;

$output=shift;

open STDOUT,">$output";

if ($output =~ /512/) {

	$BITS=512;

	$SZ=8;

	@Sigma0=(28,34,39);

	@Sigma1=(14,18,41);

	@sigma0=(1,  8, 7);

	@sigma1=(19,61, 6);

	$rounds=80;

	$reg_t="x";

} else {

	$BITS=256;

	$SZ=4;

	@Sigma0=( 2,13,22);

	@Sigma1=( 6,11,25);

	@sigma0=( 7,18, 3);

	@sigma1=(17,19,10);

	$rounds=64;

	$reg_t="w";

}

$func="sha${BITS}_block_data_order";

($ctx,$inp,$num,$Ktbl)=map("x$_",(0..2,30));

@X=map("$reg_t$_",(3..15,0..2));

@V=($A,$B,$C,$D,$E,$F,$G,$H)=map("$reg_t$_",(20..27));

($t0,$t1,$t2,$t3)=map("$reg_t$_",(16,17,19,28));

sub BODY_00_xx {

my ($i,$a,$b,$c,$d,$e,$f,$g,$h)=@_;

my $j=($i+1)&15;

my ($T0,$T1,$T2)=(@X[($i-8)&15],@X[($i-9)&15],@X[($i-10)&15]);

   $T0=@X[$i+3] if ($i<11);

$code.=<<___	if ($i<16);

#ifndef	__ARMEB__

	rev	@X[$i],@X[$i]			// $i

#endif

___

$code.=<<___	if ($i<13 && ($i&1));

	ldp	@X[$i+1],@X[$i+2],[$inp],#2*$SZ

___

$code.=<<___	if ($i==13);

	ldp	@X[14],@X[15],[$inp]

___

$code.=<<___	if ($i>=14);

	ldr	@X[($i-11)&15],[sp,#`$SZ*(($i-11)%4)`]

___

$code.=<<___	if ($i>0 && $i<16);

	add	$a,$a,$t1			// h+=Sigma0(a)

___

$code.=<<___	if ($i>=11);

	str	@X[($i-8)&15],[sp,#`$SZ*(($i-8)%4)`]

___

# While ARMv8 specifies merged rotate-n-logical operation such as

# 'eor x,y,z,ror#n', it was found to negatively affect performance

# on Apple A7. The reason seems to be that it requires even 'y' to

# be available earlier. This means that such merged instruction is

# not necessarily best choice on critical path... On the other hand

# Cortex-A5x handles merged instructions much better than disjoint

# rotate and logical... See (**) footnote above.

$code.=<<___	if ($i<15);

	ror	$t0,$e,#$Sigma1[0]

	add	$h,$h,$t2			// h+=K[i]

	eor	$T0,$e,$e,ror#`$Sigma1[2]-$Sigma1[1]`

	and	$t1,$f,$e

	bic	$t2,$g,$e

	add	$h,$h,@X[$i&15]			// h+=X[i]

	orr	$t1,$t1,$t2			// Ch(e,f,g)

	eor	$t2,$a,$b			// a^b, b^c in next round

	eor	$t0,$t0,$T0,ror#$Sigma1[1]	// Sigma1(e)

	ror	$T0,$a,#$Sigma0[0]

	add	$h,$h,$t1			// h+=Ch(e,f,g)

	eor	$t1,$a,$a,ror#`$Sigma0[2]-$Sigma0[1]`

	add	$h,$h,$t0			// h+=Sigma1(e)

	and	$t3,$t3,$t2			// (b^c)&=(a^b)

	add	$d,$d,$h			// d+=h

	eor	$t3,$t3,$b			// Maj(a,b,c)

	eor	$t1,$T0,$t1,ror#$Sigma0[1]	// Sigma0(a)

	add	$h,$h,$t3			// h+=Maj(a,b,c)

	ldr	$t3,[$Ktbl],#$SZ		// *K++, $t2 in next round

	//add	$h,$h,$t1			// h+=Sigma0(a)

___

$code.=<<___	if ($i>=15);

	ror	$t0,$e,#$Sigma1[0]

	add	$h,$h,$t2			// h+=K[i]

	ror	$T1,@X[($j+1)&15],#$sigma0[0]

	and	$t1,$f,$e

	ror	$T2,@X[($j+14)&15],#$sigma1[0]

	bic	$t2,$g,$e

	ror	$T0,$a,#$Sigma0[0]

	add	$h,$h,@X[$i&15]			// h+=X[i]

	eor	$t0,$t0,$e,ror#$Sigma1[1]

	eor	$T1,$T1,@X[($j+1)&15],ror#$sigma0[1]

	orr	$t1,$t1,$t2			// Ch(e,f,g)

	eor	$t2,$a,$b			// a^b, b^c in next round

	eor	$t0,$t0,$e,ror#$Sigma1[2]	// Sigma1(e)

	eor	$T0,$T0,$a,ror#$Sigma0[1]

	add	$h,$h,$t1			// h+=Ch(e,f,g)

	and	$t3,$t3,$t2			// (b^c)&=(a^b)

	eor	$T2,$T2,@X[($j+14)&15],ror#$sigma1[1]

	eor	$T1,$T1,@X[($j+1)&15],lsr#$sigma0[2]	// sigma0(X[i+1])

	add	$h,$h,$t0			// h+=Sigma1(e)

	eor	$t3,$t3,$b			// Maj(a,b,c)

	eor	$t1,$T0,$a,ror#$Sigma0[2]	// Sigma0(a)

	eor	$T2,$T2,@X[($j+14)&15],lsr#$sigma1[2]	// sigma1(X[i+14])

	add	@X[$j],@X[$j],@X[($j+9)&15]

	add	$d,$d,$h			// d+=h

	add	$h,$h,$t3			// h+=Maj(a,b,c)

	ldr	$t3,[$Ktbl],#$SZ		// *K++, $t2 in next round

	add	@X[$j],@X[$j],$T1

	add	$h,$h,$t1			// h+=Sigma0(a)

	add	@X[$j],@X[$j],$T2

___

	($t2,$t3)=($t3,$t2);

}

$code.=<<___;

#include "arm_arch.h"

.text

.globl	$func

.type	$func,%function

.align	6

$func:

___

$code.=<<___	if ($SZ==4);

	ldr	x16,.LOPENSSL_armcap_P

	adr	x17,.LOPENSSL_armcap_P

	add	x16,x16,x17

	ldr	w16,[x16]

	tst	w16,#ARMV8_SHA256

	b.ne	.Lv8_entry

___

$code.=<<___;

	stp	x29,x30,[sp,#-128]!

	add	x29,sp,#0

	stp	x19,x20,[sp,#16]

	stp	x21,x22,[sp,#32]

	stp	x23,x24,[sp,#48]

	stp	x25,x26,[sp,#64]

	stp	x27,x28,[sp,#80]

	sub	sp,sp,#4*$SZ

	ldp	$A,$B,[$ctx]				// load context

	ldp	$C,$D,[$ctx,#2*$SZ]

	ldp	$E,$F,[$ctx,#4*$SZ]

	add	$num,$inp,$num,lsl#`log(16*$SZ)/log(2)`	// end of input

	ldp	$G,$H,[$ctx,#6*$SZ]

	adr	$Ktbl,K$BITS

	stp	$ctx,$num,[x29,#96]

.Loop:

	ldp	@X[0],@X[1],[$inp],#2*$SZ

	ldr	$t2,[$Ktbl],#$SZ			// *K++

	eor	$t3,$B,$C				// magic seed

	str	$inp,[x29,#112]

___

for ($i=0;$i<16;$i++)	{ &BODY_00_xx($i,@V); unshift(@V,pop(@V)); }

$code.=".Loop_16_xx:\n";

for (;$i<32;$i++)	{ &BODY_00_xx($i,@V); unshift(@V,pop(@V)); }

$code.=<<___;

	cbnz	$t2,.Loop_16_xx

	ldp	$ctx,$num,[x29,#96]

	ldr	$inp,[x29,#112]

	sub	$Ktbl,$Ktbl,#`$SZ*($rounds+1)`		// rewind

	ldp	@X[0],@X[1],[$ctx]

	ldp	@X[2],@X[3],[$ctx,#2*$SZ]

	add	$inp,$inp,#14*$SZ			// advance input pointer

	ldp	@X[4],@X[5],[$ctx,#4*$SZ]

	add	$A,$A,@X[0]

	ldp	@X[6],@X[7],[$ctx,#6*$SZ]

	add	$B,$B,@X[1]

	add	$C,$C,@X[2]

	add	$D,$D,@X[3]

	stp	$A,$B,[$ctx]

	add	$E,$E,@X[4]

	add	$F,$F,@X[5]

	stp	$C,$D,[$ctx,#2*$SZ]

	add	$G,$G,@X[6]

	add	$H,$H,@X[7]

	cmp	$inp,$num

	stp	$E,$F,[$ctx,#4*$SZ]

	stp	$G,$H,[$ctx,#6*$SZ]

	b.ne	.Loop

	ldp	x19,x20,[x29,#16]

	add	sp,sp,#4*$SZ

	ldp	x21,x22,[x29,#32]

	ldp	x23,x24,[x29,#48]

	ldp	x25,x26,[x29,#64]

	ldp	x27,x28,[x29,#80]

	ldp	x29,x30,[sp],#128

	ret

.size	$func,.-$func

.align	6

.type	K$BITS,%object

K$BITS:

___

$code.=<<___ if ($SZ==8);

	.quad	0x428a2f98d728ae22,0x7137449123ef65cd

	.quad	0xb5c0fbcfec4d3b2f,0xe9b5dba58189dbbc

	.quad	0x3956c25bf348b538,0x59f111f1b605d019

	.quad	0x923f82a4af194f9b,0xab1c5ed5da6d8118

	.quad	0xd807aa98a3030242,0x12835b0145706fbe

	.quad	0x243185be4ee4b28c,0x550c7dc3d5ffb4e2

	.quad	0x72be5d74f27b896f,0x80deb1fe3b1696b1

	.quad	0x9bdc06a725c71235,0xc19bf174cf692694

	.quad	0xe49b69c19ef14ad2,0xefbe4786384f25e3

	.quad	0x0fc19dc68b8cd5b5,0x240ca1cc77ac9c65

	.quad	0x2de92c6f592b0275,0x4a7484aa6ea6e483

	.quad	0x5cb0a9dcbd41fbd4,0x76f988da831153b5

	.quad	0x983e5152ee66dfab,0xa831c66d2db43210

	.quad	0xb00327c898fb213f,0xbf597fc7beef0ee4

	.quad	0xc6e00bf33da88fc2,0xd5a79147930aa725

	.quad	0x06ca6351e003826f,0x142929670a0e6e70

	.quad	0x27b70a8546d22ffc,0x2e1b21385c26c926

	.quad	0x4d2c6dfc5ac42aed,0x53380d139d95b3df

	.quad	0x650a73548baf63de,0x766a0abb3c77b2a8

	.quad	0x81c2c92e47edaee6,0x92722c851482353b

	.quad	0xa2bfe8a14cf10364,0xa81a664bbc423001

	.quad	0xc24b8b70d0f89791,0xc76c51a30654be30

	.quad	0xd192e819d6ef5218,0xd69906245565a910

	.quad	0xf40e35855771202a,0x106aa07032bbd1b8

	.quad	0x19a4c116b8d2d0c8,0x1e376c085141ab53

	.quad	0x2748774cdf8eeb99,0x34b0bcb5e19b48a8

	.quad	0x391c0cb3c5c95a63,0x4ed8aa4ae3418acb

	.quad	0x5b9cca4f7763e373,0x682e6ff3d6b2b8a3

	.quad	0x748f82ee5defb2fc,0x78a5636f43172f60

	.quad	0x84c87814a1f0ab72,0x8cc702081a6439ec

	.quad	0x90befffa23631e28,0xa4506cebde82bde9

	.quad	0xbef9a3f7b2c67915,0xc67178f2e372532b

	.quad	0xca273eceea26619c,0xd186b8c721c0c207

	.quad	0xeada7dd6cde0eb1e,0xf57d4f7fee6ed178

	.quad	0x06f067aa72176fba,0x0a637dc5a2c898a6

	.quad	0x113f9804bef90dae,0x1b710b35131c471b

	.quad	0x28db77f523047d84,0x32caab7b40c72493

	.quad	0x3c9ebe0a15c9bebc,0x431d67c49c100d4c

	.quad	0x4cc5d4becb3e42b6,0x597f299cfc657e2a

	.quad	0x5fcb6fab3ad6faec,0x6c44198c4a475817

	.quad	0	// terminator

___

$code.=<<___ if ($SZ==4);

	.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

	.long	0	//terminator

___

$code.=<<___;

.size	K$BITS,.-K$BITS

.align	3

.LOPENSSL_armcap_P:

	.quad	OPENSSL_armcap_P-.

.asciz	"SHA$BITS block transform for ARMv8, CRYPTOGAMS by <appro\@openssl.org>"

.align	2

___

if ($SZ==4) {

my $Ktbl="x3";

my ($ABCD,$EFGH,$abcd)=map("v$_.16b",(0..2));

my @MSG=map("v$_.16b",(4..7));

my ($W0,$W1)=("v16.4s","v17.4s");

my ($ABCD_SAVE,$EFGH_SAVE)=("v18.16b","v19.16b");

$code.=<<___;

.type	sha256_block_armv8,%function

.align	6

sha256_block_armv8:

.Lv8_entry:

	stp		x29,x30,[sp,#-16]!

	add		x29,sp,#0