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openssl/crypto/aes/asm/aes-s390x.pl

Index: openssl/crypto/aes/asm/aes-s390x.pl
===================================================================
--- openssl/crypto/aes/asm/aes-s390x.pl	(revision 0)
+++ openssl/crypto/aes/asm/aes-s390x.pl	(revision 0)
@@ -0,0 +1,1339 @@
+#!/usr/bin/env perl
+
+# ====================================================================
+# Written by Andy Polyakov <appro@fy.chalmers.se> 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/.
+# ====================================================================
+
+# AES for s390x.
+
+# April 2007.
+#
+# Software performance improvement over gcc-generated code is ~70% and
+# in absolute terms is ~73 cycles per byte processed with 128-bit key.
+# You're likely to exclaim "why so slow?" Keep in mind that z-CPUs are
+# *strictly* in-order execution and issued instruction [in this case
+# load value from memory is critical] has to complete before execution
+# flow proceeds. S-boxes are compressed to 2KB[+256B].
+#
+# As for hardware acceleration support. It's basically a "teaser," as
+# it can and should be improved in several ways. Most notably support
+# for CBC is not utilized, nor multiple blocks are ever processed.
+# Then software key schedule can be postponed till hardware support
+# detection... Performance improvement over assembler is reportedly
+# ~2.5x, but can reach >8x [naturally on larger chunks] if proper
+# support is implemented.
+
+# May 2007.
+#
+# Implement AES_set_[en|de]crypt_key. Key schedule setup is avoided
+# for 128-bit keys, if hardware support is detected.
+
+# Januray 2009.
+#
+# Add support for hardware AES192/256 and reschedule instructions to
+# minimize/avoid Address Generation Interlock hazard and to favour
+# dual-issue z10 pipeline. This gave ~25% improvement on z10 and
+# almost 50% on z9. The gain is smaller on z10, because being dual-
+# issue z10 makes it improssible to eliminate the interlock condition:
+# critial path is not long enough. Yet it spends ~24 cycles per byte
+# processed with 128-bit key.
+#
+# Unlike previous version hardware support detection takes place only
+# at the moment of key schedule setup, which is denoted in key->rounds.
+# This is done, because deferred key setup can't be made MT-safe, not
+# for key lengthes longer than 128 bits.
+#
+# Add AES_cbc_encrypt, which gives incredible performance improvement,
+# it was measured to be ~6.6x. It's less than previously mentioned 8x,
+# because software implementation was optimized.
+
+$softonly=0;	# allow hardware support
+
+$t0="%r0";	$mask="%r0";
+$t1="%r1";
+$t2="%r2";	$inp="%r2";
+$t3="%r3";	$out="%r3";	$bits="%r3";
+$key="%r4";
+$i1="%r5";
+$i2="%r6";
+$i3="%r7";
+$s0="%r8";
+$s1="%r9";
+$s2="%r10";
+$s3="%r11";
+$tbl="%r12";
+$rounds="%r13";
+$ra="%r14";
+$sp="%r15";
+
+sub _data_word()
+{ my $i;
+    while(defined($i=shift)) { $code.=sprintf".long\t0x%08x,0x%08x\n",$i,$i; }
+}
+
+$code=<<___;
+.text
+
+.type	AES_Te,\@object
+.align	256
+AES_Te:
+___
+&_data_word(
+	0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d,
+	0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554,
+	0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d,
+	0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a,
+	0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87,
+	0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b,
+	0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea,
+	0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b,
+	0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a,
+	0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f,
+	0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108,
+	0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f,
+	0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e,
+	0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5,
+	0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d,
+	0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f,
+	0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e,
+	0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb,
+	0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce,
+	0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497,
+	0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c,
+	0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed,
+	0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b,
+	0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a,
+	0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16,
+	0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594,
+	0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81,
+	0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3,
+	0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a,
+	0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504,
+	0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163,
+	0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d,
+	0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f,
+	0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739,
+	0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47,
+	0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395,
+	0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f,
+	0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883,
+	0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c,
+	0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76,
+	0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e,
+	0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4,
+	0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6,
+	0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b,
+	0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7,
+	0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0,
+	0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25,
+	0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818,
+	0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72,
+	0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651,
+	0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21,
+	0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85,
+	0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa,
+	0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12,
+	0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0,
+	0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9,
+	0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133,
+	0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7,
+	0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920,
+	0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a,
+	0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17,
+	0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8,
+	0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11,
+	0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a);
+$code.=<<___;
+# Te4[256]
+.byte	0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5
+.byte	0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76
+.byte	0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0
+.byte	0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0
+.byte	0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc
+.byte	0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15
+.byte	0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a
+.byte	0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75
+.byte	0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0
+.byte	0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84
+.byte	0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b
+.byte	0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf
+.byte	0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85
+.byte	0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8
+.byte	0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5
+.byte	0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2
+.byte	0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17
+.byte	0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73
+.byte	0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88
+.byte	0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb
+.byte	0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c
+.byte	0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79
+.byte	0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9
+.byte	0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08
+.byte	0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6
+.byte	0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a
+.byte	0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e
+.byte	0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e
+.byte	0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94
+.byte	0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf
+.byte	0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68
+.byte	0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
+# rcon[]
+.long	0x01000000, 0x02000000, 0x04000000, 0x08000000
+.long	0x10000000, 0x20000000, 0x40000000, 0x80000000
+.long	0x1B000000, 0x36000000, 0, 0, 0, 0, 0, 0
+.align	256
+.size	AES_Te,.-AES_Te
+
+# void AES_encrypt(const unsigned char *inp, unsigned char *out,
+# 		 const AES_KEY *key) {
+.globl	AES_encrypt
+.type	AES_encrypt,\@function
+AES_encrypt:
+___
+$code.=<<___ if (!$softonly);
+	l	%r0,240($key)
+	lhi	%r1,16
+	clr	%r0,%r1
+	jl	.Lesoft
+
+	la	%r1,0($key)
+	#la	%r2,0($inp)
+	la	%r4,0($out)
+	lghi	%r3,16		# single block length
+	.long	0xb92e0042	# km %r4,%r2
+	brc	1,.-4		# can this happen?
+	br	%r14
+.align	64
+.Lesoft:
+___
+$code.=<<___;
+	stmg	%r3,$ra,24($sp)
+
+	llgf	$s0,0($inp)
+	llgf	$s1,4($inp)
+	llgf	$s2,8($inp)
+	llgf	$s3,12($inp)
+
+	larl	$tbl,AES_Te
+	bras	$ra,_s390x_AES_encrypt
+
+	lg	$out,24($sp)
+	st	$s0,0($out)
+	st	$s1,4($out)
+	st	$s2,8($out)
+	st	$s3,12($out)
+
+	lmg	%r6,$ra,48($sp)
+	br	$ra
+.size	AES_encrypt,.-AES_encrypt
+
+.type   _s390x_AES_encrypt,\@function
+.align	16
+_s390x_AES_encrypt:
+	stg	$ra,152($sp)
+	x	$s0,0($key)
+	x	$s1,4($key)
+	x	$s2,8($key)
+	x	$s3,12($key)
+	l	$rounds,240($key)
+	llill	$mask,`0xff<<3`
+	aghi	$rounds,-1
+	j	.Lenc_loop
+.align	16
+.Lenc_loop:
+	sllg	$t1,$s0,`0+3`
+	srlg	$t2,$s0,`8-3`
+	srlg	$t3,$s0,`16-3`
+	srl	$s0,`24-3`
+	nr	$s0,$mask
+	ngr	$t1,$mask
+	nr	$t2,$mask
+	nr	$t3,$mask
+
+	srlg	$i1,$s1,`16-3`	# i0
+	sllg	$i2,$s1,`0+3`
+	srlg	$i3,$s1,`8-3`
+	srl	$s1,`24-3`
+	nr	$i1,$mask
+	nr	$s1,$mask
+	ngr	$i2,$mask
+	nr	$i3,$mask
+
+	l	$s0,0($s0,$tbl)	# Te0[s0>>24]
+	l	$t1,1($t1,$tbl)	# Te3[s0>>0]
+	l	$t2,2($t2,$tbl) # Te2[s0>>8]
+	l	$t3,3($t3,$tbl)	# Te1[s0>>16]
+
+	x	$s0,3($i1,$tbl)	# Te1[s1>>16]
+	l	$s1,0($s1,$tbl)	# Te0[s1>>24]
+	x	$t2,1($i2,$tbl)	# Te3[s1>>0]
+	x	$t3,2($i3,$tbl)	# Te2[s1>>8]
+
+	srlg	$i1,$s2,`8-3`	# i0
+	srlg	$i2,$s2,`16-3`	# i1
+	nr	$i1,$mask
+	nr	$i2,$mask
+	sllg	$i3,$s2,`0+3`
+	srl	$s2,`24-3`
+	nr	$s2,$mask
+	ngr	$i3,$mask
+
+	xr	$s1,$t1
+	srlg	$ra,$s3,`8-3`	# i1
+	sllg	$t1,$s3,`0+3`	# i0
+	nr	$ra,$mask
+	la	$key,16($key)
+	ngr	$t1,$mask
+
+	x	$s0,2($i1,$tbl)	# Te2[s2>>8]
+	x	$s1,3($i2,$tbl)	# Te1[s2>>16]
+	l	$s2,0($s2,$tbl)	# Te0[s2>>24]
+	x	$t3,1($i3,$tbl)	# Te3[s2>>0]
+
+	srlg	$i3,$s3,`16-3`	# i2
+	xr	$s2,$t2
+	srl	$s3,`24-3`
+	nr	$i3,$mask
+	nr	$s3,$mask
+
+	x	$s0,0($key)
+	x	$s1,4($key)
+	x	$s2,8($key)
+	x	$t3,12($key)
+
+	x	$s0,1($t1,$tbl)	# Te3[s3>>0]
+	x	$s1,2($ra,$tbl)	# Te2[s3>>8]
+	x	$s2,3($i3,$tbl)	# Te1[s3>>16]
+	l	$s3,0($s3,$tbl)	# Te0[s3>>24]
+	xr	$s3,$t3
+
+	brct	$rounds,.Lenc_loop
+	.align	16
+
+	sllg	$t1,$s0,`0+3`
+	srlg	$t2,$s0,`8-3`
+	ngr	$t1,$mask
+	srlg	$t3,$s0,`16-3`
+	srl	$s0,`24-3`
+	nr	$s0,$mask
+	nr	$t2,$mask
+	nr	$t3,$mask
+
+	srlg	$i1,$s1,`16-3`	# i0
+	sllg	$i2,$s1,`0+3`
+	ngr	$i2,$mask
+	srlg	$i3,$s1,`8-3`
+	srl	$s1,`24-3`
+	nr	$i1,$mask
+	nr	$s1,$mask
+	nr	$i3,$mask
+
+	llgc	$s0,2($s0,$tbl)	# Te4[s0>>24]
+	llgc	$t1,2($t1,$tbl)	# Te4[s0>>0]
+	sll	$s0,24
+	llgc	$t2,2($t2,$tbl)	# Te4[s0>>8]
+	llgc	$t3,2($t3,$tbl)	# Te4[s0>>16]
+	sll	$t2,8
+	sll	$t3,16
+
+	llgc	$i1,2($i1,$tbl)	# Te4[s1>>16]
+	llgc	$s1,2($s1,$tbl)	# Te4[s1>>24]
+	llgc	$i2,2($i2,$tbl)	# Te4[s1>>0]
+	llgc	$i3,2($i3,$tbl)	# Te4[s1>>8]
+	sll	$i1,16
+	sll	$s1,24
+	sll	$i3,8
+	or	$s0,$i1
+	or	$s1,$t1
+	or	$t2,$i2
+	or	$t3,$i3
+	
+	srlg	$i1,$s2,`8-3`	# i0
+	srlg	$i2,$s2,`16-3`	# i1
+	nr	$i1,$mask
+	nr	$i2,$mask
+	sllg	$i3,$s2,`0+3`
+	srl	$s2,`24-3`
+	ngr	$i3,$mask
+	nr	$s2,$mask
+
+	sllg	$t1,$s3,`0+3`	# i0
+	srlg	$ra,$s3,`8-3`	# i1
+	ngr	$t1,$mask
+
+	llgc	$i1,2($i1,$tbl)	# Te4[s2>>8]
+	llgc	$i2,2($i2,$tbl)	# Te4[s2>>16]
+	sll	$i1,8
+	llgc	$s2,2($s2,$tbl)	# Te4[s2>>24]
+	llgc	$i3,2($i3,$tbl)	# Te4[s2>>0]
+	sll	$i2,16
+	nr	$ra,$mask
+	sll	$s2,24
+	or	$s0,$i1
+	or	$s1,$i2
+	or	$s2,$t2
+	or	$t3,$i3
+
+	srlg	$i3,$s3,`16-3`	# i2
+	srl	$s3,`24-3`
+	nr	$i3,$mask
+	nr	$s3,$mask
+
+	l	$t0,16($key)
+	l	$t2,20($key)
+
+	llgc	$i1,2($t1,$tbl)	# Te4[s3>>0]
+	llgc	$i2,2($ra,$tbl)	# Te4[s3>>8]
+	llgc	$i3,2($i3,$tbl)	# Te4[s3>>16]
+	llgc	$s3,2($s3,$tbl)	# Te4[s3>>24]
+	sll	$i2,8
+	sll	$i3,16
+	sll	$s3,24
+	or	$s0,$i1
+	or	$s1,$i2
+	or	$s2,$i3
+	or	$s3,$t3
+
+	lg	$ra,152($sp)
+	xr	$s0,$t0
+	xr	$s1,$t2
+	x	$s2,24($key)
+	x	$s3,28($key)
+
+	br	$ra	
+.size	_s390x_AES_encrypt,.-_s390x_AES_encrypt
+___
+
+$code.=<<___;
+.type	AES_Td,\@object
+.align	256
+AES_Td:
+___
+&_data_word(
+	0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96,
+	0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393,
+	0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25,
+	0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f,
+	0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1,
+	0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6,
+	0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da,
+	0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844,
+	0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd,
+	0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4,
+	0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45,
+	0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94,
+	0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7,
+	0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a,
+	0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5,
+	0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c,
+	0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1,
+	0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a,
+	0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75,
+	0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051,
+	0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46,
+	0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff,
+	0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77,
+	0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb,
+	0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000,
+	0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e,
+	0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927,
+	0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a,
+	0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e,
+	0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16,
+	0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d,
+	0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8,
+	0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd,
+	0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34,
+	0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163,
+	0xd731dcca, 0x42638510, 0x13972240, 0x84c61120,
+	0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d,
+	0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0,
+	0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422,
+	0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef,
+	0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36,
+	0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4,
+	0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662,
+	0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5,
+	0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3,
+	0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b,
+	0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8,
+	0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6,
+	0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6,
+	0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0,
+	0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815,
+	0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f,
+	0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df,
+	0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f,
+	0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e,
+	0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713,
+	0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89,
+	0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c,
+	0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf,
+	0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86,
+	0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f,
+	0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541,
+	0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190,
+	0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742);
+$code.=<<___;
+# Td4[256]
+.byte	0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38
+.byte	0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb
+.byte	0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87
+.byte	0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb
+.byte	0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d
+.byte	0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e
+.byte	0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2
+.byte	0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25
+.byte	0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16
+.byte	0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92
+.byte	0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda
+.byte	0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84
+.byte	0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a
+.byte	0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06
+.byte	0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02
+.byte	0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b
+.byte	0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea
+.byte	0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73
+.byte	0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85
+.byte	0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e
+.byte	0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89
+.byte	0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b
+.byte	0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20
+.byte	0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4
+.byte	0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31
+.byte	0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f
+.byte	0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d
+.byte	0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef
+.byte	0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0
+.byte	0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61
+.byte	0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26
+.byte	0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
+.size	AES_Td,.-AES_Td
+
+# void AES_decrypt(const unsigned char *inp, unsigned char *out,
+# 		 const AES_KEY *key) {
+.globl	AES_decrypt
+.type	AES_decrypt,\@function
+AES_decrypt:
+___
+$code.=<<___ if (!$softonly);
+	l	%r0,240($key)
+	lhi	%r1,16
+	clr	%r0,%r1
+	jl	.Ldsoft
+
+	la	%r1,0($key)
+	#la	%r2,0($inp)
+	la	%r4,0($out)
+	lghi	%r3,16		# single block length
+	.long	0xb92e0042	# km %r4,%r2
+	brc	1,.-4		# can this happen?
+	br	%r14
+.align	64
+.Ldsoft:
+___
+$code.=<<___;
+	stmg	%r3,$ra,24($sp)
+
+	llgf	$s0,0($inp)
+	llgf	$s1,4($inp)
+	llgf	$s2,8($inp)
+	llgf	$s3,12($inp)
+
+	larl	$tbl,AES_Td
+	bras	$ra,_s390x_AES_decrypt
+
+	lg	$out,24($sp)
+	st	$s0,0($out)
+	st	$s1,4($out)
+	st	$s2,8($out)
+	st	$s3,12($out)
+
+	lmg	%r6,$ra,48($sp)
+	br	$ra
+.size	AES_decrypt,.-AES_decrypt
+
+.type   _s390x_AES_decrypt,\@function
+.align	16
+_s390x_AES_decrypt:
+	stg	$ra,152($sp)
+	x	$s0,0($key)
+	x	$s1,4($key)
+	x	$s2,8($key)
+	x	$s3,12($key)
+	l	$rounds,240($key)
+	llill	$mask,`0xff<<3`
+	aghi	$rounds,-1
+	j	.Ldec_loop
+.align	16
+.Ldec_loop:
+	srlg	$t1,$s0,`16-3`
+	srlg	$t2,$s0,`8-3`
+	sllg	$t3,$s0,`0+3`
+	srl	$s0,`24-3`
+	nr	$s0,$mask
+	nr	$t1,$mask
+	nr	$t2,$mask
+	ngr	$t3,$mask
+
+	sllg	$i1,$s1,`0+3`	# i0
+	srlg	$i2,$s1,`16-3`
+	srlg	$i3,$s1,`8-3`
+	srl	$s1,`24-3`
+	ngr	$i1,$mask
+	nr	$s1,$mask
+	nr	$i2,$mask
+	nr	$i3,$mask
+
+	l	$s0,0($s0,$tbl)	# Td0[s0>>24]
+	l	$t1,3($t1,$tbl)	# Td1[s0>>16]
+	l	$t2,2($t2,$tbl)	# Td2[s0>>8]
+	l	$t3,1($t3,$tbl)	# Td3[s0>>0]
+
+	x	$s0,1($i1,$tbl)	# Td3[s1>>0]
+	l	$s1,0($s1,$tbl)	# Td0[s1>>24]
+	x	$t2,3($i2,$tbl)	# Td1[s1>>16]
+	x	$t3,2($i3,$tbl)	# Td2[s1>>8]
+
+	srlg	$i1,$s2,`8-3`	# i0
+	sllg	$i2,$s2,`0+3`	# i1
+	srlg	$i3,$s2,`16-3`
+	srl	$s2,`24-3`
+	nr	$i1,$mask
+	ngr	$i2,$mask
+	nr	$s2,$mask
+	nr	$i3,$mask
+
+	xr	$s1,$t1
+	srlg	$ra,$s3,`8-3`	# i1
+	srlg	$t1,$s3,`16-3`	# i0
+	nr	$ra,$mask
+	la	$key,16($key)
+	nr	$t1,$mask
+
+	x	$s0,2($i1,$tbl)	# Td2[s2>>8]
+	x	$s1,1($i2,$tbl)	# Td3[s2>>0]
+	l	$s2,0($s2,$tbl)	# Td0[s2>>24]
+	x	$t3,3($i3,$tbl)	# Td1[s2>>16]
+
+	sllg	$i3,$s3,`0+3`	# i2
+	srl	$s3,`24-3`
+	ngr	$i3,$mask
+	nr	$s3,$mask
+
+	xr	$s2,$t2
+	x	$s0,0($key)
+	x	$s1,4($key)
+	x	$s2,8($key)
+	x	$t3,12($key)
+
+	x	$s0,3($t1,$tbl)	# Td1[s3>>16]
+	x	$s1,2($ra,$tbl)	# Td2[s3>>8]
+	x	$s2,1($i3,$tbl)	# Td3[s3>>0]
+	l	$s3,0($s3,$tbl)	# Td0[s3>>24]
+	xr	$s3,$t3
+
+	brct	$rounds,.Ldec_loop
+	.align	16
+
+	l	$t1,`2048+0`($tbl)	# prefetch Td4
+	l	$t2,`2048+64`($tbl)
+	l	$t3,`2048+128`($tbl)
+	l	$i1,`2048+192`($tbl)
+	llill	$mask,0xff
+
+	srlg	$i3,$s0,24	# i0
+	srlg	$t1,$s0,16
+	srlg	$t2,$s0,8
+	nr	$s0,$mask	# i3
+	nr	$t1,$mask
+
+	srlg	$i1,$s1,24
+	nr	$t2,$mask
+	srlg	$i2,$s1,16
+	srlg	$ra,$s1,8
+	nr	$s1,$mask	# i0
+	nr	$i2,$mask
+	nr	$ra,$mask
+
+	llgc	$i3,2048($i3,$tbl)	# Td4[s0>>24]
+	llgc	$t1,2048($t1,$tbl)	# Td4[s0>>16]
+	llgc	$t2,2048($t2,$tbl)	# Td4[s0>>8]
+	sll	$t1,16
+	llgc	$t3,2048($s0,$tbl)	# Td4[s0>>0]
+	sllg	$s0,$i3,24
+	sll	$t2,8
+
+	llgc	$s1,2048($s1,$tbl)	# Td4[s1>>0]
+	llgc	$i1,2048($i1,$tbl)	# Td4[s1>>24]
+	llgc	$i2,2048($i2,$tbl)	# Td4[s1>>16]
+	sll	$i1,24
+	llgc	$i3,2048($ra,$tbl)	# Td4[s1>>8]
+	sll	$i2,16
+	sll	$i3,8
+	or	$s0,$s1
+	or	$t1,$i1
+	or	$t2,$i2
+	or	$t3,$i3
+
+	srlg	$i1,$s2,8	# i0
+	srlg	$i2,$s2,24
+	srlg	$i3,$s2,16
+	nr	$s2,$mask	# i1
+	nr	$i1,$mask
+	nr	$i3,$mask
+	llgc	$i1,2048($i1,$tbl)	# Td4[s2>>8]
+	llgc	$s1,2048($s2,$tbl)	# Td4[s2>>0]
+	llgc	$i2,2048($i2,$tbl)	# Td4[s2>>24]
+	llgc	$i3,2048($i3,$tbl)	# Td4[s2>>16]
+	sll	$i1,8
+	sll	$i2,24
+	or	$s0,$i1
+	sll	$i3,16
+	or	$t2,$i2
+	or	$t3,$i3
+
+	srlg	$i1,$s3,16	# i0
+	srlg	$i2,$s3,8	# i1
+	srlg	$i3,$s3,24
+	nr	$s3,$mask	# i2
+	nr	$i1,$mask
+	nr	$i2,$mask
+
+	lg	$ra,152($sp)
+	or	$s1,$t1
+	l	$t0,16($key)
+	l	$t1,20($key)
+
+	llgc	$i1,2048($i1,$tbl)	# Td4[s3>>16]
+	llgc	$i2,2048($i2,$tbl)	# Td4[s3>>8]
+	sll	$i1,16
+	llgc	$s2,2048($s3,$tbl)	# Td4[s3>>0]
+	llgc	$s3,2048($i3,$tbl)	# Td4[s3>>24]
+	sll	$i2,8
+	sll	$s3,24
+	or	$s0,$i1
+	or	$s1,$i2
+	or	$s2,$t2
+	or	$s3,$t3
+
+	xr	$s0,$t0
+	xr	$s1,$t1
+	x	$s2,24($key)
+	x	$s3,28($key)
+
+	br	$ra	
+.size	_s390x_AES_decrypt,.-_s390x_AES_decrypt
+___
+
+$code.=<<___;
+# void AES_set_encrypt_key(const unsigned char *in, int bits,
+# 		 AES_KEY *key) {
+.globl	AES_set_encrypt_key
+.type	AES_set_encrypt_key,\@function
+.align	16
+AES_set_encrypt_key:
+	lghi	$t0,0
+	clgr	$inp,$t0
+	je	.Lminus1
+	clgr	$key,$t0
+	je	.Lminus1
+
+	lghi	$t0,128
+	clr	$bits,$t0
+	je	.Lproceed
+	lghi	$t0,192
+	clr	$bits,$t0
+	je	.Lproceed
+	lghi	$t0,256
+	clr	$bits,$t0
+	je	.Lproceed
+	lghi	%r2,-2
+	br	%r14
+
+.align	16
+.Lproceed:
+___
+$code.=<<___ if (!$softonly);
+	# convert bits to km code, [128,192,256]->[18,19,20]
+	lhi	%r5,-128
+	lhi	%r0,18
+	ar	%r5,$bits
+	srl	%r5,6
+	ar	%r5,%r0
+
+	larl	%r1,OPENSSL_s390xcap_P
+	lg	%r0,0(%r1)
+	tmhl	%r0,0x4000	# check for message-security assist
+	jz	.Lekey_internal
+
+	lghi	%r0,0		# query capability vector
+	la	%r1,16($sp)
+	.long	0xb92f0042	# kmc %r4,%r2
+
+	llihh	%r1,0x8000
+	srlg	%r1,%r1,0(%r5)
+	ng	%r1,16($sp)
+	jz	.Lekey_internal
+
+	lmg	%r0,%r1,0($inp)	# just copy 128 bits...
+	stmg	%r0,%r1,0($key)
+	lhi	%r0,192
+	cr	$bits,%r0
+	jl	1f
+	lg	%r1,16($inp)
+	stg	%r1,16($key)
+	je	1f
+	lg	%r1,24($inp)
+	stg	%r1,24($key)
+1:	st	$bits,236($key)	# save bits
+	st	%r5,240($key)	# save km code
+	lghi	%r2,0
+	br	%r14
+___
+$code.=<<___;
+.align	16
+.Lekey_internal:
+	stmg	%r6,%r13,48($sp)	# all non-volatile regs
+
+	larl	$tbl,AES_Te+2048
+
+	llgf	$s0,0($inp)
+	llgf	$s1,4($inp)
+	llgf	$s2,8($inp)
+	llgf	$s3,12($inp)
+	st	$s0,0($key)
+	st	$s1,4($key)
+	st	$s2,8($key)
+	st	$s3,12($key)
+	lghi	$t0,128
+	cr	$bits,$t0
+	jne	.Lnot128
+
+	llill	$mask,0xff
+	lghi	$t3,0			# i=0
+	lghi	$rounds,10
+	st	$rounds,240($key)
+
+	llgfr	$t2,$s3			# temp=rk[3]
+	srlg	$i1,$s3,8
+	srlg	$i2,$s3,16
+	srlg	$i3,$s3,24
+	nr	$t2,$mask
+	nr	$i1,$mask
+	nr	$i2,$mask
+
+.align	16
+.L128_loop:
+	la	$t2,0($t2,$tbl)
+	la	$i1,0($i1,$tbl)
+	la	$i2,0($i2,$tbl)
+	la	$i3,0($i3,$tbl)
+	icm	$t2,2,0($t2)		# Te4[rk[3]>>0]<<8
+	icm	$t2,4,0($i1)		# Te4[rk[3]>>8]<<16
+	icm	$t2,8,0($i2)		# Te4[rk[3]>>16]<<24
+	icm	$t2,1,0($i3)		# Te4[rk[3]>>24]
+	x	$t2,256($t3,$tbl)	# rcon[i]
+	xr	$s0,$t2			# rk[4]=rk[0]^...
+	xr	$s1,$s0			# rk[5]=rk[1]^rk[4]
+	xr	$s2,$s1			# rk[6]=rk[2]^rk[5]
+	xr	$s3,$s2			# rk[7]=rk[3]^rk[6]
+
+	llgfr	$t2,$s3			# temp=rk[3]
+	srlg	$i1,$s3,8
+	srlg	$i2,$s3,16
+	nr	$t2,$mask
+	nr	$i1,$mask
+	srlg	$i3,$s3,24
+	nr	$i2,$mask
+
+	st	$s0,16($key)
+	st	$s1,20($key)
+	st	$s2,24($key)
+	st	$s3,28($key)
+	la	$key,16($key)		# key+=4
+	la	$t3,4($t3)		# i++
+	brct	$rounds,.L128_loop
+	lghi	%r2,0
+	lmg	%r6,%r13,48($sp)
+	br	$ra
+
+.align	16
+.Lnot128:
+	llgf	$t0,16($inp)
+	llgf	$t1,20($inp)
+	st	$t0,16($key)
+	st	$t1,20($key)
+	lghi	$t0,192
+	cr	$bits,$t0
+	jne	.Lnot192
+
+	llill	$mask,0xff
+	lghi	$t3,0			# i=0
+	lghi	$rounds,12
+	st	$rounds,240($key)
+	lghi	$rounds,8
+
+	srlg	$i1,$t1,8
+	srlg	$i2,$t1,16
+	srlg	$i3,$t1,24
+	nr	$t1,$mask
+	nr	$i1,$mask
+	nr	$i2,$mask
+
+.align	16
+.L192_loop:
+	la	$t1,0($t1,$tbl)
+	la	$i1,0($i1,$tbl)
+	la	$i2,0($i2,$tbl)
+	la	$i3,0($i3,$tbl)
+	icm	$t1,2,0($t1)		# Te4[rk[5]>>0]<<8
+	icm	$t1,4,0($i1)		# Te4[rk[5]>>8]<<16
+	icm	$t1,8,0($i2)		# Te4[rk[5]>>16]<<24
+	icm	$t1,1,0($i3)		# Te4[rk[5]>>24]
+	x	$t1,256($t3,$tbl)	# rcon[i]
+	xr	$s0,$t1			# rk[6]=rk[0]^...
+	xr	$s1,$s0			# rk[7]=rk[1]^rk[6]
+	xr	$s2,$s1			# rk[8]=rk[2]^rk[7]
+	xr	$s3,$s2			# rk[9]=rk[3]^rk[8]
+
+	st	$s0,24($key)
+	st	$s1,28($key)
+	st	$s2,32($key)
+	st	$s3,36($key)
+	brct	$rounds,.L192_continue
+	lghi	%r2,0
+	lmg	%r6,%r13,48($sp)
+	br	$ra
+
+.align	16
+.L192_continue:
+	lgr	$t1,$s3
+	x	$t1,16($key)		# rk[10]=rk[4]^rk[9]
+	st	$t1,40($key)
+	x	$t1,20($key)		# rk[11]=rk[5]^rk[10]
+	st	$t1,44($key)
+
+	srlg	$i1,$t1,8
+	srlg	$i2,$t1,16
+	srlg	$i3,$t1,24
+	nr	$t1,$mask
+	nr	$i1,$mask
+	nr	$i2,$mask
+
+	la	$key,24($key)		# key+=6
+	la	$t3,4($t3)		# i++
+	j	.L192_loop
+
+.align	16
+.Lnot192:
+	llgf	$t0,24($inp)
+	llgf	$t1,28($inp)
+	st	$t0,24($key)
+	st	$t1,28($key)
+	llill	$mask,0xff
+	lghi	$t3,0			# i=0
+	lghi	$rounds,14
+	st	$rounds,240($key)
+	lghi	$rounds,7
+
+	srlg	$i1,$t1,8
+	srlg	$i2,$t1,16
+	srlg	$i3,$t1,24
+	nr	$t1,$mask
+	nr	$i1,$mask
+	nr	$i2,$mask
+
+.align	16
+.L256_loop:
+	la	$t1,0($t1,$tbl)
+	la	$i1,0($i1,$tbl)
+	la	$i2,0($i2,$tbl)
+	la	$i3,0($i3,$tbl)
+	icm	$t1,2,0($t1)		# Te4[rk[7]>>0]<<8
+	icm	$t1,4,0($i1)		# Te4[rk[7]>>8]<<16
+	icm	$t1,8,0($i2)		# Te4[rk[7]>>16]<<24
+	icm	$t1,1,0($i3)		# Te4[rk[7]>>24]
+	x	$t1,256($t3,$tbl)	# rcon[i]
+	xr	$s0,$t1			# rk[8]=rk[0]^...
+	xr	$s1,$s0			# rk[9]=rk[1]^rk[8]
+	xr	$s2,$s1			# rk[10]=rk[2]^rk[9]
+	xr	$s3,$s2			# rk[11]=rk[3]^rk[10]
+	st	$s0,32($key)
+	st	$s1,36($key)
+	st	$s2,40($key)
+	st	$s3,44($key)
+	brct	$rounds,.L256_continue
+	lghi	%r2,0
+	lmg	%r6,%r13,48($sp)
+	br	$ra
+
+.align	16
+.L256_continue:
+	lgr	$t1,$s3			# temp=rk[11]
+	srlg	$i1,$s3,8
+	srlg	$i2,$s3,16
+	srlg	$i3,$s3,24
+	nr	$t1,$mask
+	nr	$i1,$mask
+	nr	$i2,$mask
+	la	$t1,0($t1,$tbl)
+	la	$i1,0($i1,$tbl)
+	la	$i2,0($i2,$tbl)
+	la	$i3,0($i3,$tbl)
+	llgc	$t1,0($t1)		# Te4[rk[11]>>0]
+	icm	$t1,2,0($i1)		# Te4[rk[11]>>8]<<8
+	icm	$t1,4,0($i2)		# Te4[rk[11]>>16]<<16
+	icm	$t1,8,0($i3)		# Te4[rk[11]>>24]<<24
+	x	$t1,16($key)		# rk[12]=rk[4]^...
+	st	$t1,48($key)
+	x	$t1,20($key)		# rk[13]=rk[5]^rk[12]
+	st	$t1,52($key)
+	x	$t1,24($key)		# rk[14]=rk[6]^rk[13]
+	st	$t1,56($key)
+	x	$t1,28($key)		# rk[15]=rk[7]^rk[14]
+	st	$t1,60($key)
+
+	srlg	$i1,$t1,8
+	srlg	$i2,$t1,16
+	srlg	$i3,$t1,24
+	nr	$t1,$mask
+	nr	$i1,$mask
+	nr	$i2,$mask
+
+	la	$key,32($key)		# key+=8
+	la	$t3,4($t3)		# i++
+	j	.L256_loop
+
+.Lminus1:
+	lghi	%r2,-1
+	br	$ra
+.size	AES_set_encrypt_key,.-AES_set_encrypt_key
+
+# void AES_set_decrypt_key(const unsigned char *in, int bits,
+# 		 AES_KEY *key) {
+.globl	AES_set_decrypt_key
+.type	AES_set_decrypt_key,\@function
+.align	16
+AES_set_decrypt_key:
+	stg	$key,32($sp)		# I rely on AES_set_encrypt_key to
+	stg	$ra,112($sp)		# save non-volatile registers!
+	bras	$ra,AES_set_encrypt_key
+	lg	$key,32($sp)
+	lg	$ra,112($sp)
+	ltgr	%r2,%r2
+	bnzr	$ra
+___
+$code.=<<___ if (!$softonly);
+	l	$t0,240($key)
+	lhi	$t1,16
+	cr	$t0,$t1
+	jl	.Lgo
+	oill	$t0,0x80	# set "decrypt" bit
+	st	$t0,240($key)
+	br	$ra
+
+.align	16
+.Ldkey_internal:
+	stg	$key,32($sp)
+	stg	$ra,40($sp)
+	bras	$ra,.Lekey_internal
+	lg	$key,32($sp)
+	lg	$ra,40($sp)
+___
+$code.=<<___;
+
+.Lgo:	llgf	$rounds,240($key)
+	la	$i1,0($key)
+	sllg	$i2,$rounds,4
+	la	$i2,0($i2,$key)
+	srl	$rounds,1
+	lghi	$t1,-16
+
+.align	16
+.Linv:	lmg	$s0,$s1,0($i1)
+	lmg	$s2,$s3,0($i2)
+	stmg	$s0,$s1,0($i2)
+	stmg	$s2,$s3,0($i1)
+	la	$i1,16($i1)
+	la	$i2,0($t1,$i2)
+	brct	$rounds,.Linv
+___
+$mask80=$i1;
+$mask1b=$i2;
+$maskfe=$i3;
+$code.=<<___;
+	llgf	$rounds,240($key)
+	aghi	$rounds,-1
+	sll	$rounds,2	# (rounds-1)*4
+	llilh	$mask80,0x8080
+	llilh	$mask1b,0x1b1b
+	llilh	$maskfe,0xfefe
+	oill	$mask80,0x8080
+	oill	$mask1b,0x1b1b
+	oill	$maskfe,0xfefe
+
+.align	16
+.Lmix:	l	$s0,16($key)	# tp1
+	lr	$s1,$s0
+	ngr	$s1,$mask80
+	srlg	$t1,$s1,7
+	slr	$s1,$t1
+	nr	$s1,$mask1b
+	sllg	$t1,$s0,1
+	nr	$t1,$maskfe
+	xr	$s1,$t1		# tp2
+
+	lr	$s2,$s1
+	ngr	$s2,$mask80
+	srlg	$t1,$s2,7
+	slr	$s2,$t1
+	nr	$s2,$mask1b
+	sllg	$t1,$s1,1
+	nr	$t1,$maskfe
+	xr	$s2,$t1		# tp4
+
+	lr	$s3,$s2
+	ngr	$s3,$mask80
+	srlg	$t1,$s3,7
+	slr	$s3,$t1
+	nr	$s3,$mask1b
+	sllg	$t1,$s2,1
+	nr	$t1,$maskfe
+	xr	$s3,$t1		# tp8
+
+	xr	$s1,$s0		# tp2^tp1
+	xr	$s2,$s0		# tp4^tp1
+	rll	$s0,$s0,24	# = ROTATE(tp1,8)
+	xr	$s2,$s3		# ^=tp8
+	xr	$s0,$s1		# ^=tp2^tp1
+	xr	$s1,$s3		# tp2^tp1^tp8
+	xr	$s0,$s2		# ^=tp4^tp1^tp8
+	rll	$s1,$s1,8
+	rll	$s2,$s2,16
+	xr	$s0,$s1		# ^= ROTATE(tp8^tp2^tp1,24)
+	rll	$s3,$s3,24
+	xr	$s0,$s2    	# ^= ROTATE(tp8^tp4^tp1,16)
+	xr	$s0,$s3		# ^= ROTATE(tp8,8)
+
+	st	$s0,16($key)
+	la	$key,4($key)
+	brct	$rounds,.Lmix
+
+	lmg	%r6,%r13,48($sp)# as was saved by AES_set_encrypt_key!
+	lghi	%r2,0
+	br	$ra
+.size	AES_set_decrypt_key,.-AES_set_decrypt_key
+___
+
+#void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
+#                     size_t length, const AES_KEY *key,
+#                     unsigned char *ivec, const int enc)
+{
+my $inp="%r2";
+my $out="%r4";	# length and out are swapped
+my $len="%r3";
+my $key="%r5";
+my $ivp="%r6";
+
+$code.=<<___;
+.globl	AES_cbc_encrypt
+.type	AES_cbc_encrypt,\@function
+.align	16
+AES_cbc_encrypt:
+	xgr	%r3,%r4		# flip %r3 and %r4, out and len
+	xgr	%r4,%r3
+	xgr	%r3,%r4
+___
+$code.=<<___ if (!$softonly);
+	lhi	%r0,16
+	cl	%r0,240($key)
+	jh	.Lcbc_software
+
+	lg	%r0,0($ivp)	# copy ivec
+	lg	%r1,8($ivp)
+	stmg	%r0,%r1,16($sp)
+	lmg	%r0,%r1,0($key)	# copy key, cover 256 bit
+	stmg	%r0,%r1,32($sp)
+	lmg	%r0,%r1,16($key)
+	stmg	%r0,%r1,48($sp)
+	l	%r0,240($key)	# load kmc code
+	lghi	$key,15		# res=len%16, len-=res;
+	ngr	$key,$len
+	slgr	$len,$key
+	la	%r1,16($sp)	# parameter block - ivec || key
+	jz	.Lkmc_truncated
+	.long	0xb92f0042	# kmc %r4,%r2
+	brc	1,.-4		# pay attention to "partial completion"
+	ltr	$key,$key
+	jnz	.Lkmc_truncated
+.Lkmc_done:
+	lmg	%r0,%r1,16($sp)	# copy ivec to caller
+	stg	%r0,0($ivp)
+	stg	%r1,8($ivp)
+	br	$ra
+.align	16
+.Lkmc_truncated:
+	ahi	$key,-1		# it's the way it's encoded in mvc
+	tmll	%r0,0x80
+	jnz	.Lkmc_truncated_dec
+	lghi	%r1,0
+	stg	%r1,128($sp)
+	stg	%r1,136($sp)
+	bras	%r1,1f
+	mvc	128(1,$sp),0($inp)
+1:	ex	$key,0(%r1)
+	la	%r1,16($sp)	# restore parameter block
+	la	$inp,128($sp)
+	lghi	$len,16
+	.long	0xb92f0042	# kmc %r4,%r2
+	j	.Lkmc_done
+.align	16
+.Lkmc_truncated_dec:
+	stg	$out,64($sp)
+	la	$out,128($sp)
+	lghi	$len,16
+	.long	0xb92f0042	# kmc %r4,%r2
+	lg	$out,64($sp)
+	bras	%r1,2f
+	mvc	0(1,$out),128($sp)
+2:	ex	$key,0(%r1)
+	j	.Lkmc_done
+.align	16
+.Lcbc_software:
+___
+$code.=<<___;
+	stmg	$key,$ra,40($sp)
+	lhi	%r0,0
+	cl	%r0,164($sp)
+	je	.Lcbc_decrypt
+
+	larl	$tbl,AES_Te
+
+	llgf	$s0,0($ivp)
+	llgf	$s1,4($ivp)
+	llgf	$s2,8($ivp)
+	llgf	$s3,12($ivp)
+
+	lghi	$t0,16
+	slgr	$len,$t0
+	brc	4,.Lcbc_enc_tail	# if borrow
+.Lcbc_enc_loop:
+	stmg	$inp,$out,16($sp)
+	x	$s0,0($inp)
+	x	$s1,4($inp)
+	x	$s2,8($inp)
+	x	$s3,12($inp)
+	lgr	%r4,$key
+
+	bras	$ra,_s390x_AES_encrypt
+
+	lmg	$inp,$key,16($sp)
+	st	$s0,0($out)
+	st	$s1,4($out)
+	st	$s2,8($out)
+	st	$s3,12($out)
+
+	la	$inp,16($inp)
+	la	$out,16($out)
+	lghi	$t0,16
+	ltgr	$len,$len
+	jz	.Lcbc_enc_done
+	slgr	$len,$t0
+	brc	4,.Lcbc_enc_tail	# if borrow
+	j	.Lcbc_enc_loop
+.align	16
+.Lcbc_enc_done:
+	lg	$ivp,48($sp)
+	st	$s0,0($ivp)
+	st	$s1,4($ivp)	
+	st	$s2,8($ivp)
+	st	$s3,12($ivp)
+
+	lmg	%r7,$ra,56($sp)
+	br	$ra
+
+.align	16
+.Lcbc_enc_tail:
+	aghi	$len,15
+	lghi	$t0,0
+	stg	$t0,128($sp)
+	stg	$t0,136($sp)
+	bras	$t1,3f
+	mvc	128(1,$sp),0($inp)
+3:	ex	$len,0($t1)
+	lghi	$len,0
+	la	$inp,128($sp)
+	j	.Lcbc_enc_loop
+
+.align	16
+.Lcbc_decrypt:
+	larl	$tbl,AES_Td
+
+	lg	$t0,0($ivp)
+	lg	$t1,8($ivp)
+	stmg	$t0,$t1,128($sp)
+
+.Lcbc_dec_loop:
+	stmg	$inp,$out,16($sp)
+	llgf	$s0,0($inp)
+	llgf	$s1,4($inp)
+	llgf	$s2,8($inp)
+	llgf	$s3,12($inp)
+	lgr	%r4,$key
+
+	bras	$ra,_s390x_AES_decrypt
+
+	lmg	$inp,$key,16($sp)
+	sllg	$s0,$s0,32
+	sllg	$s2,$s2,32
+	lr	$s0,$s1
+	lr	$s2,$s3
+
+	lg	$t0,0($inp)
+	lg	$t1,8($inp)
+	xg	$s0,128($sp)
+	xg	$s2,136($sp)
+	lghi	$s1,16
+	slgr	$len,$s1
+	brc	4,.Lcbc_dec_tail	# if borrow
+	brc	2,.Lcbc_dec_done	# if zero
+	stg	$s0,0($out)
+	stg	$s2,8($out)
+	stmg	$t0,$t1,128($sp)
+
+	la	$inp,16($inp)
+	la	$out,16($out)
+	j	.Lcbc_dec_loop
+
+.Lcbc_dec_done:
+	stg	$s0,0($out)
+	stg	$s2,8($out)
+.Lcbc_dec_exit:
+	lmg	$ivp,$ra,48($sp)
+	stmg	$t0,$t1,0($ivp)
+
+	br	$ra
+
+.align	16
+.Lcbc_dec_tail:
+	aghi	$len,15
+	stg	$s0,128($sp)
+	stg	$s2,136($sp)
+	bras	$s1,4f
+	mvc	0(1,$out),128($sp)
+4:	ex	$len,0($s1)
+	j	.Lcbc_dec_exit
+.size	AES_cbc_encrypt,.-AES_cbc_encrypt
+.comm  OPENSSL_s390xcap_P,8,8
+___
+}
+$code.=<<___;
+.string	"AES for s390x, CRYPTOGAMS by <appro\@openssl.org>"
+___
+
+$code =~ s/\`([^\`]*)\`/eval $1/gem;
+print $code;