Add vpaes-amrv8.pl module.

Reviewed-by: NRichard Levitte <levitte@openssl.org>

crypto/aes/Makefile

@@ -91,6 +91,9 @@ aes-mips.S:	asm/aes-mips.pl
 aesv8-armx.S:	asm/aesv8-armx.pl
 	$(PERL) asm/aesv8-armx.pl $(PERLASM_SCHEME) $@
 aesv8-armx.o:	aesv8-armx.S
+vpaes-armv8.S:	asm/vpaes-armv8.pl
+	$(PERL) asm/vpaes-armv8.pl $(PERLASM_SCHEME) $@
+vpaes-armv8.o:	vpaes-armv8.S
 
 # GNU make "catch all"
 aes-%.S:	asm/aes-%.pl;	$(PERL) $< $(PERLASM_SCHEME) $@

crypto/aes/asm/vpaes-armv8.pl

+#!/usr/bin/env perl
+
+######################################################################
+## Constant-time SSSE3 AES core implementation.
+## version 0.1
+##
+## By Mike Hamburg (Stanford University), 2009
+## Public domain.
+##
+## For details see http://shiftleft.org/papers/vector_aes/ and
+## http://crypto.stanford.edu/vpaes/.
+##
+######################################################################
+# ARMv8 NEON adaptation by <appro@openssl.org>
+#
+# Reason for undertaken effort is that there is at least one popular
+# SoC based on Cortex-A53 that doesn't have crypto extensions.
+#
+#                   CBC enc     ECB enc/dec(*)   [bit-sliced enc/dec]
+# Cortex-A53        21.5        18.1/20.6        [17.5/19.8         ]
+# Cortex-A57        36.0(**)    20.4/24.9(**)    [14.4/16.6         ]
+# X-Gene            45.9(**)    45.8/57.7(**)    [33.1/37.6(**)     ]
+#
+# (*)	ECB denotes approximate result for parallelizeable modes
+#	such as CBC decrypt, CTR, etc.;
+# (**)	these results are worse than scalar compiler-generated
+#	code, but it's constant-time and therefore preferred;
+
+$flavour = shift;
+while (($output=shift) && ($output!~/^\w[\w\-]*\.\w+$/)) {}
+
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or
+( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate) or
+die "can't locate arm-xlate.pl";
+
+open OUT,"| \"$^X\" $xlate $flavour $output";
+*STDOUT=*OUT;
+
+$code.=<<___;
+.text
+
+.type	_vpaes_consts,%object
+.align	7	// totally strategic alignment
+_vpaes_consts:
+.Lk_mc_forward:	// mc_forward
+	.quad	0x0407060500030201, 0x0C0F0E0D080B0A09
+	.quad	0x080B0A0904070605, 0x000302010C0F0E0D
+	.quad	0x0C0F0E0D080B0A09, 0x0407060500030201
+	.quad	0x000302010C0F0E0D, 0x080B0A0904070605
+.Lk_mc_backward:// mc_backward
+	.quad	0x0605040702010003, 0x0E0D0C0F0A09080B
+	.quad	0x020100030E0D0C0F, 0x0A09080B06050407
+	.quad	0x0E0D0C0F0A09080B, 0x0605040702010003
+	.quad	0x0A09080B06050407, 0x020100030E0D0C0F
+.Lk_sr:		// sr
+	.quad	0x0706050403020100, 0x0F0E0D0C0B0A0908
+	.quad	0x030E09040F0A0500, 0x0B06010C07020D08
+	.quad	0x0F060D040B020900, 0x070E050C030A0108
+	.quad	0x0B0E0104070A0D00, 0x0306090C0F020508
+
+//
+// "Hot" constants
+//
+.Lk_inv:	// inv, inva
+	.quad	0x0E05060F0D080180, 0x040703090A0B0C02
+	.quad	0x01040A060F0B0780, 0x030D0E0C02050809
+.Lk_ipt:	// input transform (lo, hi)
+	.quad	0xC2B2E8985A2A7000, 0xCABAE09052227808
+	.quad	0x4C01307D317C4D00, 0xCD80B1FCB0FDCC81
+.Lk_sbo:	// sbou, sbot
+	.quad	0xD0D26D176FBDC700, 0x15AABF7AC502A878
+	.quad	0xCFE474A55FBB6A00, 0x8E1E90D1412B35FA
+.Lk_sb1:	// sb1u, sb1t
+	.quad	0x3618D415FAE22300, 0x3BF7CCC10D2ED9EF
+	.quad	0xB19BE18FCB503E00, 0xA5DF7A6E142AF544
+.Lk_sb2:	// sb2u, sb2t
+	.quad	0x69EB88400AE12900, 0xC2A163C8AB82234A
+	.quad	0xE27A93C60B712400, 0x5EB7E955BC982FCD
+
+//
+//  Decryption stuff
+//
+.Lk_dipt:	// decryption input transform
+	.quad	0x0F505B040B545F00, 0x154A411E114E451A
+	.quad	0x86E383E660056500, 0x12771772F491F194
+.Lk_dsbo:	// decryption sbox final output
+	.quad	0x1387EA537EF94000, 0xC7AA6DB9D4943E2D
+	.quad	0x12D7560F93441D00, 0xCA4B8159D8C58E9C
+.Lk_dsb9:	// decryption sbox output *9*u, *9*t
+	.quad	0x851C03539A86D600, 0xCAD51F504F994CC9
+	.quad	0xC03B1789ECD74900, 0x725E2C9EB2FBA565
+.Lk_dsbd:	// decryption sbox output *D*u, *D*t
+	.quad	0x7D57CCDFE6B1A200, 0xF56E9B13882A4439
+	.quad	0x3CE2FAF724C6CB00, 0x2931180D15DEEFD3
+.Lk_dsbb:	// decryption sbox output *B*u, *B*t
+	.quad	0xD022649296B44200, 0x602646F6B0F2D404
+	.quad	0xC19498A6CD596700, 0xF3FF0C3E3255AA6B
+.Lk_dsbe:	// decryption sbox output *E*u, *E*t
+	.quad	0x46F2929626D4D000, 0x2242600464B4F6B0
+	.quad	0x0C55A6CDFFAAC100, 0x9467F36B98593E32
+
+//
+//  Key schedule constants
+//
+.Lk_dksd:	// decryption key schedule: invskew x*D
+	.quad	0xFEB91A5DA3E44700, 0x0740E3A45A1DBEF9
+	.quad	0x41C277F4B5368300, 0x5FDC69EAAB289D1E
+.Lk_dksb:	// decryption key schedule: invskew x*B
+	.quad	0x9A4FCA1F8550D500, 0x03D653861CC94C99
+	.quad	0x115BEDA7B6FC4A00, 0xD993256F7E3482C8
+.Lk_dkse:	// decryption key schedule: invskew x*E + 0x63
+	.quad	0xD5031CCA1FC9D600, 0x53859A4C994F5086
+	.quad	0xA23196054FDC7BE8, 0xCD5EF96A20B31487
+.Lk_dks9:	// decryption key schedule: invskew x*9
+	.quad	0xB6116FC87ED9A700, 0x4AED933482255BFC
+	.quad	0x4576516227143300, 0x8BB89FACE9DAFDCE
+
+.Lk_rcon:	// rcon
+	.quad	0x1F8391B9AF9DEEB6, 0x702A98084D7C7D81
+
+.Lk_opt:	// output transform
+	.quad	0xFF9F4929D6B66000, 0xF7974121DEBE6808
+	.quad	0x01EDBD5150BCEC00, 0xE10D5DB1B05C0CE0
+.Lk_deskew:	// deskew tables: inverts the sbox's "skew"
+	.quad	0x07E4A34047A4E300, 0x1DFEB95A5DBEF91A
+	.quad	0x5F36B5DC83EA6900, 0x2841C2ABF49D1E77
+
+.asciz  "Vector Permutaion AES for ARMv8, Mike Hamburg (Stanford University)"
+.size	_vpaes_consts,.-_vpaes_consts
+.align	6
+___
+
+{
+my ($inp,$out,$key) = map("x$_",(0..2));
+
+my ($invlo,$invhi,$iptlo,$ipthi,$sbou,$sbot) = map("v$_.16b",(18..23));
+my ($sb1u,$sb1t,$sb2u,$sb2t) = map("v$_.16b",(24..27));
+my ($sb9u,$sb9t,$sbdu,$sbdt,$sbbu,$sbbt,$sbeu,$sbet)=map("v$_.16b",(24..31));
+
+$code.=<<___;
+##
+##  _aes_preheat
+##
+##  Fills register %r10 -> .aes_consts (so you can -fPIC)
+##  and %xmm9-%xmm15 as specified below.
+##
+.type	_vpaes_encrypt_preheat,%function
+.align	4
+_vpaes_encrypt_preheat:
+	adr	x10, .Lk_inv
+	movi	v17.16b, #0x0f
+	ld1	{v18.2d-v19.2d}, [x10],#32	// .Lk_inv
+	ld1	{v20.2d-v23.2d}, [x10],#64	// .Lk_ipt, .Lk_sbo
+	ld1	{v24.2d-v27.2d}, [x10]		// .Lk_sb1, .Lk_sb2
+	ret
+.size	_vpaes_encrypt_preheat,.-_vpaes_encrypt_preheat
+
+##
+##  _aes_encrypt_core
+##
+##  AES-encrypt %xmm0.
+##
+##  Inputs:
+##     %xmm0 = input
+##     %xmm9-%xmm15 as in _vpaes_preheat
+##    (%rdx) = scheduled keys
+##
+##  Output in %xmm0
+##  Clobbers  %xmm1-%xmm5, %r9, %r10, %r11, %rax
+##  Preserves %xmm6 - %xmm8 so you get some local vectors
+##
+##
+.type	_vpaes_encrypt_core,%function
+.align 4
+_vpaes_encrypt_core:
+	mov	x9, $key
+	ldr	w8, [$key,#240]			// pull rounds
+	adr	x11, .Lk_mc_forward+16
+						// vmovdqa	.Lk_ipt(%rip),	%xmm2	# iptlo
+	ld1	{v16.2d}, [x9], #16		// vmovdqu	(%r9),	%xmm5		# round0 key
+	and	v1.16b, v7.16b, v17.16b		// vpand	%xmm9,	%xmm0,	%xmm1
+	ushr	v0.16b, v7.16b, #4		// vpsrlb	\$4,	%xmm0,	%xmm0
+	tbl	v1.16b, {$iptlo}, v1.16b	// vpshufb	%xmm1,	%xmm2,	%xmm1
+						// vmovdqa	.Lk_ipt+16(%rip), %xmm3	# ipthi
+	tbl	v2.16b, {$ipthi}, v0.16b	// vpshufb	%xmm0,	%xmm3,	%xmm2
+	eor	v0.16b, v1.16b, v16.16b		// vpxor	%xmm5,	%xmm1,	%xmm0
+	eor	v0.16b, v0.16b, v2.16b		// vpxor	%xmm2,	%xmm0,	%xmm0
+	b	.Lenc_entry
+
+.align 4
+.Lenc_loop:
+	// middle of middle round
+	add	x10, x11, #0x40
+	tbl	v4.16b, {$sb1t}, v2.16b		// vpshufb	%xmm2,	%xmm13,	%xmm4	# 4 = sb1u
+	ld1	{v1.2d}, [x11], #16		// vmovdqa	-0x40(%r11,%r10), %xmm1	# .Lk_mc_forward[]
+	tbl	v0.16b, {$sb1u}, v3.16b		// vpshufb	%xmm3,	%xmm12,	%xmm0	# 0 = sb1t
+	eor	v4.16b, v4.16b, v16.16b		// vpxor	%xmm5,	%xmm4,	%xmm4	# 4 = sb1u + k
+	tbl	v5.16b,	{$sb2t}, v2.16b		// vpshufb	%xmm2,	%xmm15,	%xmm5	# 4 = sb2u
+	eor	v0.16b, v0.16b, v4.16b		// vpxor	%xmm4,	%xmm0,	%xmm0	# 0 = A
+	tbl	v2.16b, {$sb2u}, v3.16b		// vpshufb	%xmm3,	%xmm14,	%xmm2	# 2 = sb2t
+	ld1	{v4.2d}, [x10]			// vmovdqa	(%r11,%r10), %xmm4	# .Lk_mc_backward[]
+	tbl	v3.16b, {v0.16b}, v1.16b	// vpshufb	%xmm1,	%xmm0,	%xmm3	# 0 = B
+	eor	v2.16b, v2.16b, v5.16b		// vpxor	%xmm5,	%xmm2,	%xmm2	# 2 = 2A
+	tbl	v0.16b, {v0.16b}, v4.16b	// vpshufb	%xmm4,	%xmm0,	%xmm0	# 3 = D
+	eor	v3.16b, v3.16b, v2.16b		// vpxor	%xmm2,	%xmm3,	%xmm3	# 0 = 2A+B
+	tbl	v4.16b, {v3.16b}, v1.16b	// vpshufb	%xmm1,	%xmm3,	%xmm4	# 0 = 2B+C
+	eor	v0.16b, v0.16b, v3.16b		// vpxor	%xmm3,	%xmm0,	%xmm0	# 3 = 2A+B+D
+	bic	x11, x11, #1<<6			// and		\$0x30,	%r11		# ... mod 4
+	eor	v0.16b, v0.16b, v4.16b		// vpxor	%xmm4,	%xmm0, %xmm0	# 0 = 2A+3B+C+D
+	sub	w8, w8, #1			// nr--
+
+.Lenc_entry:
+	// top of round
+	and	v1.16b, v0.16b, v17.16b		// vpand	%xmm0,	%xmm9,	%xmm1   # 0 = k
+	ushr	v0.16b, v0.16b, #4		// vpsrlb	\$4,	%xmm0,	%xmm0	# 1 = i
+	tbl	v5.16b, {$invhi}, v1.16b	// vpshufb	%xmm1,	%xmm11,	%xmm5	# 2 = a/k
+	eor	v1.16b, v1.16b, v0.16b		// vpxor	%xmm0,	%xmm1,	%xmm1	# 0 = j
+	tbl	v3.16b, {$invlo}, v0.16b	// vpshufb	%xmm0, 	%xmm10,	%xmm3  	# 3 = 1/i
+	tbl	v4.16b, {$invlo}, v1.16b	// vpshufb	%xmm1, 	%xmm10,	%xmm4  	# 4 = 1/j
+	eor	v3.16b, v3.16b, v5.16b		// vpxor	%xmm5,	%xmm3,	%xmm3	# 3 = iak = 1/i + a/k
+	eor	v4.16b, v4.16b, v5.16b		// vpxor	%xmm5,	%xmm4,	%xmm4  	# 4 = jak = 1/j + a/k
+	tbl	v2.16b, {$invlo}, v3.16b	// vpshufb	%xmm3,	%xmm10,	%xmm2  	# 2 = 1/iak
+	tbl	v3.16b, {$invlo}, v4.16b	// vpshufb	%xmm4,	%xmm10,	%xmm3	# 3 = 1/jak
+	eor	v2.16b, v2.16b, v1.16b		// vpxor	%xmm1,	%xmm2,	%xmm2  	# 2 = io
+	eor	v3.16b, v3.16b, v0.16b		// vpxor	%xmm0,	%xmm3,	%xmm3	# 3 = jo
+	ld1	{v16.2d}, [x9],#16		// vmovdqu	(%r9),	%xmm5
+	cbnz	w8, .Lenc_loop
+
+	// middle of last round
+	add	x10, x11, #0x80
+						// vmovdqa	-0x60(%r10), %xmm4	# 3 : sbou	.Lk_sbo
+						// vmovdqa	-0x50(%r10), %xmm0	# 0 : sbot	.Lk_sbo+16
+	tbl	v4.16b, {$sbou}, v2.16b		// vpshufb	%xmm2,	%xmm4,	%xmm4	# 4 = sbou
+	ld1	{v1.2d}, [x10]			// vmovdqa	0x40(%r11,%r10), %xmm1	# .Lk_sr[]
+	tbl	v0.16b, {$sbot}, v3.16b		// vpshufb	%xmm3,	%xmm0,	%xmm0	# 0 = sb1t
+	eor	v4.16b, v4.16b, v16.16b		// vpxor	%xmm5,	%xmm4,	%xmm4	# 4 = sb1u + k
+	eor	v0.16b, v0.16b, v4.16b		// vpxor	%xmm4,	%xmm0,	%xmm0	# 0 = A
+	tbl	v0.16b, {v0.16b}, v1.16b	// vpshufb	%xmm1,	%xmm0,	%xmm0
+	ret
+.size	_vpaes_encrypt_core,.-_vpaes_encrypt_core
+
+.globl	vpaes_encrypt
+.type	vpaes_encrypt,%function
+.align	4
+vpaes_encrypt:
+	stp	x29,x30,[sp,#-16]!
+	add	x29,sp,#0
+
+	ld1	{v7.16b}, [$inp]
+	bl	_vpaes_encrypt_preheat
+	bl	_vpaes_encrypt_core
+	st1	{v0.16b}, [$out]
+
+	ldp	x29,x30,[sp],#16
+	ret
+.size	vpaes_encrypt,.-vpaes_encrypt
+
+.type	_vpaes_encrypt_2x,%function
+.align 4
+_vpaes_encrypt_2x:
+	mov	x9, $key
+	ldr	w8, [$key,#240]			// pull rounds
+	adr	x11, .Lk_mc_forward+16
+						// vmovdqa	.Lk_ipt(%rip),	%xmm2	# iptlo
+	ld1	{v16.2d}, [x9], #16		// vmovdqu	(%r9),	%xmm5		# round0 key
+	and	v1.16b,  v14.16b,  v17.16b	// vpand	%xmm9,	%xmm0,	%xmm1
+	ushr	v0.16b,  v14.16b,  #4		// vpsrlb	\$4,	%xmm0,	%xmm0
+	 and	v9.16b,  v15.16b,  v17.16b
+	 ushr	v8.16b,  v15.16b,  #4
+	tbl	v1.16b,  {$iptlo}, v1.16b	// vpshufb	%xmm1,	%xmm2,	%xmm1
+	 tbl	v9.16b,  {$iptlo}, v9.16b
+						// vmovdqa	.Lk_ipt+16(%rip), %xmm3	# ipthi
+	tbl	v2.16b,  {$ipthi}, v0.16b	// vpshufb	%xmm0,	%xmm3,	%xmm2
+	 tbl	v10.16b, {$ipthi}, v8.16b
+	eor	v0.16b,  v1.16b,   v16.16b	// vpxor	%xmm5,	%xmm1,	%xmm0
+	 eor	v8.16b,  v9.16b,   v16.16b
+	eor	v0.16b,  v0.16b,   v2.16b	// vpxor	%xmm2,	%xmm0,	%xmm0
+	 eor	v8.16b,  v8.16b,   v10.16b
+	b	.Lenc_2x_entry
+
+.align 4
+.Lenc_2x_loop:
+	// middle of middle round
+	add	x10, x11, #0x40
+	tbl	v4.16b,  {$sb1t}, v2.16b	// vpshufb	%xmm2,	%xmm13,	%xmm4	# 4 = sb1u
+	 tbl	v12.16b, {$sb1t}, v10.16b
+	ld1	{v1.2d}, [x11], #16		// vmovdqa	-0x40(%r11,%r10), %xmm1	# .Lk_mc_forward[]
+	tbl	v0.16b,  {$sb1u}, v3.16b	// vpshufb	%xmm3,	%xmm12,	%xmm0	# 0 = sb1t
+	 tbl	v8.16b,  {$sb1u}, v11.16b
+	eor	v4.16b,  v4.16b,  v16.16b	// vpxor	%xmm5,	%xmm4,	%xmm4	# 4 = sb1u + k
+	 eor	v12.16b, v12.16b, v16.16b
+	tbl	v5.16b,	 {$sb2t}, v2.16b	// vpshufb	%xmm2,	%xmm15,	%xmm5	# 4 = sb2u
+	 tbl	v13.16b, {$sb2t}, v10.16b
+	eor	v0.16b,  v0.16b,  v4.16b	// vpxor	%xmm4,	%xmm0,	%xmm0	# 0 = A
+	 eor	v8.16b,  v8.16b,  v12.16b
+	tbl	v2.16b,  {$sb2u}, v3.16b	// vpshufb	%xmm3,	%xmm14,	%xmm2	# 2 = sb2t
+	 tbl	v10.16b, {$sb2u}, v11.16b
+	ld1	{v4.2d}, [x10]			// vmovdqa	(%r11,%r10), %xmm4	# .Lk_mc_backward[]
+	tbl	v3.16b,  {v0.16b}, v1.16b	// vpshufb	%xmm1,	%xmm0,	%xmm3	# 0 = B
+	 tbl	v11.16b, {v8.16b}, v1.16b
+	eor	v2.16b,  v2.16b,  v5.16b	// vpxor	%xmm5,	%xmm2,	%xmm2	# 2 = 2A
+	 eor	v10.16b, v10.16b, v13.16b
+	tbl	v0.16b,  {v0.16b}, v4.16b	// vpshufb	%xmm4,	%xmm0,	%xmm0	# 3 = D
+	 tbl	v8.16b,  {v8.16b}, v4.16b
+	eor	v3.16b,  v3.16b,  v2.16b	// vpxor	%xmm2,	%xmm3,	%xmm3	# 0 = 2A+B
+	 eor	v11.16b, v11.16b, v10.16b
+	tbl	v4.16b,  {v3.16b}, v1.16b	// vpshufb	%xmm1,	%xmm3,	%xmm4	# 0 = 2B+C
+	 tbl	v12.16b, {v11.16b},v1.16b
+	eor	v0.16b,  v0.16b,  v3.16b	// vpxor	%xmm3,	%xmm0,	%xmm0	# 3 = 2A+B+D
+	 eor	v8.16b,  v8.16b,  v11.16b
+	bic	x11, x11, #1<<6			// and		\$0x30,	%r11		# ... mod 4
+	eor	v0.16b,  v0.16b,  v4.16b	// vpxor	%xmm4,	%xmm0, %xmm0	# 0 = 2A+3B+C+D
+	 eor	v8.16b,  v8.16b,  v12.16b
+	sub	w8, w8, #1			// nr--
+
+.Lenc_2x_entry:
+	// top of round
+	and	v1.16b,  v0.16b, v17.16b	// vpand	%xmm0,	%xmm9,	%xmm1   # 0 = k
+	ushr	v0.16b,  v0.16b, #4		// vpsrlb	\$4,	%xmm0,	%xmm0	# 1 = i
+	 and	v9.16b,  v8.16b, v17.16b
+	 ushr	v8.16b,  v8.16b, #4
+	tbl	v5.16b,  {$invhi},v1.16b	// vpshufb	%xmm1,	%xmm11,	%xmm5	# 2 = a/k
+	 tbl	v13.16b, {$invhi},v9.16b
+	eor	v1.16b,  v1.16b,  v0.16b	// vpxor	%xmm0,	%xmm1,	%xmm1	# 0 = j
+	 eor	v9.16b,  v9.16b,  v8.16b
+	tbl	v3.16b,  {$invlo},v0.16b	// vpshufb	%xmm0, 	%xmm10,	%xmm3  	# 3 = 1/i
+	 tbl	v11.16b, {$invlo},v8.16b
+	tbl	v4.16b,  {$invlo},v1.16b	// vpshufb	%xmm1, 	%xmm10,	%xmm4  	# 4 = 1/j
+	 tbl	v12.16b, {$invlo},v9.16b
+	eor	v3.16b,  v3.16b,  v5.16b	// vpxor	%xmm5,	%xmm3,	%xmm3	# 3 = iak = 1/i + a/k
+	 eor	v11.16b, v11.16b, v13.16b
+	eor	v4.16b,  v4.16b,  v5.16b	// vpxor	%xmm5,	%xmm4,	%xmm4  	# 4 = jak = 1/j + a/k
+	 eor	v12.16b, v12.16b, v13.16b
+	tbl	v2.16b,  {$invlo},v3.16b	// vpshufb	%xmm3,	%xmm10,	%xmm2  	# 2 = 1/iak
+	 tbl	v10.16b, {$invlo},v11.16b
+	tbl	v3.16b,  {$invlo},v4.16b	// vpshufb	%xmm4,	%xmm10,	%xmm3	# 3 = 1/jak
+	 tbl	v11.16b, {$invlo},v12.16b
+	eor	v2.16b,  v2.16b,  v1.16b	// vpxor	%xmm1,	%xmm2,	%xmm2  	# 2 = io
+	 eor	v10.16b, v10.16b, v9.16b
+	eor	v3.16b,  v3.16b,  v0.16b	// vpxor	%xmm0,	%xmm3,	%xmm3	# 3 = jo
+	 eor	v11.16b, v11.16b, v8.16b
+	ld1	{v16.2d}, [x9],#16		// vmovdqu	(%r9),	%xmm5
+	cbnz	w8, .Lenc_2x_loop
+
+	// middle of last round
+	add	x10, x11, #0x80
+						// vmovdqa	-0x60(%r10), %xmm4	# 3 : sbou	.Lk_sbo
+						// vmovdqa	-0x50(%r10), %xmm0	# 0 : sbot	.Lk_sbo+16
+	tbl	v4.16b,  {$sbou}, v2.16b	// vpshufb	%xmm2,	%xmm4,	%xmm4	# 4 = sbou
+	 tbl	v12.16b, {$sbou}, v10.16b
+	ld1	{v1.2d}, [x10]			// vmovdqa	0x40(%r11,%r10), %xmm1	# .Lk_sr[]
+	tbl	v0.16b,  {$sbot}, v3.16b	// vpshufb	%xmm3,	%xmm0,	%xmm0	# 0 = sb1t
+	 tbl	v8.16b,  {$sbot}, v11.16b
+	eor	v4.16b,  v4.16b,  v16.16b	// vpxor	%xmm5,	%xmm4,	%xmm4	# 4 = sb1u + k
+	 eor	v12.16b, v12.16b, v16.16b
+	eor	v0.16b,  v0.16b,  v4.16b	// vpxor	%xmm4,	%xmm0,	%xmm0	# 0 = A
+	 eor	v8.16b,  v8.16b,  v12.16b
+	tbl	v0.16b,  {v0.16b},v1.16b	// vpshufb	%xmm1,	%xmm0,	%xmm0
+	 tbl	v1.16b,  {v8.16b},v1.16b
+	ret
+.size	_vpaes_encrypt_2x,.-_vpaes_encrypt_2x
+
+.type	_vpaes_decrypt_preheat,%function
+.align	4
+_vpaes_decrypt_preheat:
+	adr	x10, .Lk_inv
+	movi	v17.16b, #0x0f
+	adr	x11, .Lk_dipt
+	ld1	{v18.2d-v19.2d}, [x10],#32	// .Lk_inv
+	ld1	{v20.2d-v23.2d}, [x11],#64	// .Lk_dipt, .Lk_dsbo
+	ld1	{v24.2d-v27.2d}, [x11],#64	// .Lk_dsb9, .Lk_dsbd
+	ld1	{v28.2d-v31.2d}, [x11]		// .Lk_dsbb, .Lk_dsbe
+	ret
+.size	_vpaes_decrypt_preheat,.-_vpaes_decrypt_preheat
+
+##
+##  Decryption core
+##
+##  Same API as encryption core.
+##
+.type	_vpaes_decrypt_core,%function
+.align	4
+_vpaes_decrypt_core:
+	mov	x9, $key
+	ldr	w8, [$key,#240]			// pull rounds
+
+						// vmovdqa	.Lk_dipt(%rip), %xmm2	# iptlo
+	lsl	x11, x8, #4			// mov	%rax,	%r11;	shl	\$4, %r11
+	eor	x11, x11, #0x30			// xor		\$0x30,	%r11
+	adr	x10, .Lk_sr
+	and	x11, x11, #0x30			// and		\$0x30,	%r11
+	add	x11, x11, x10
+	adr	x10, .Lk_mc_forward+48
+
+	ld1	{v16.2d}, [x9],#16		// vmovdqu	(%r9),	%xmm4		# round0 key
+	and	v1.16b, v7.16b, v17.16b		// vpand	%xmm9,	%xmm0,	%xmm1
+	ushr	v0.16b, v7.16b, #4		// vpsrlb	\$4,	%xmm0,	%xmm0
+	tbl	v2.16b, {$iptlo}, v1.16b	// vpshufb	%xmm1,	%xmm2,	%xmm2
+	ld1	{v5.2d}, [x10]			// vmovdqa	.Lk_mc_forward+48(%rip), %xmm5
+						// vmovdqa	.Lk_dipt+16(%rip), %xmm1 # ipthi
+	tbl	v0.16b, {$ipthi}, v0.16b	// vpshufb	%xmm0,	%xmm1,	%xmm0
+	eor	v2.16b, v2.16b, v16.16b		// vpxor	%xmm4,	%xmm2,	%xmm2
+	eor	v0.16b, v0.16b, v2.16b		// vpxor	%xmm2,	%xmm0,	%xmm0
+	b	.Ldec_entry
+
+.align 4
+.Ldec_loop:
+//
+//  Inverse mix columns
+//
+						// vmovdqa	-0x20(%r10),%xmm4		# 4 : sb9u
+						// vmovdqa	-0x10(%r10),%xmm1		# 0 : sb9t
+	tbl	v4.16b, {$sb9u}, v2.16b		// vpshufb	%xmm2,	%xmm4,	%xmm4		# 4 = sb9u
+	tbl	v1.16b, {$sb9t}, v3.16b		// vpshufb	%xmm3,	%xmm1,	%xmm1		# 0 = sb9t
+	eor	v0.16b, v4.16b, v16.16b		// vpxor	%xmm4,	%xmm0,	%xmm0
+						// vmovdqa	0x00(%r10),%xmm4		# 4 : sbdu
+	eor	v0.16b, v0.16b, v1.16b		// vpxor	%xmm1,	%xmm0,	%xmm0		# 0 = ch
+						// vmovdqa	0x10(%r10),%xmm1		# 0 : sbdt
+
+	tbl	v4.16b, {$sbdu}, v2.16b		// vpshufb	%xmm2,	%xmm4,	%xmm4		# 4 = sbdu
+	tbl 	v0.16b, {v0.16b}, v5.16b	// vpshufb	%xmm5,	%xmm0,	%xmm0		# MC ch
+	tbl	v1.16b, {$sbdt}, v3.16b		// vpshufb	%xmm3,	%xmm1,	%xmm1		# 0 = sbdt
+	eor	v0.16b, v0.16b, v4.16b		// vpxor	%xmm4,	%xmm0,	%xmm0		# 4 = ch
+						// vmovdqa	0x20(%r10),	%xmm4		# 4 : sbbu
+	eor	v0.16b, v0.16b, v1.16b		// vpxor	%xmm1,	%xmm0,	%xmm0		# 0 = ch
+						// vmovdqa	0x30(%r10),	%xmm1		# 0 : sbbt
+
+	tbl	v4.16b, {$sbbu}, v2.16b		// vpshufb	%xmm2,	%xmm4,	%xmm4		# 4 = sbbu
+	tbl	v0.16b, {v0.16b}, v5.16b	// vpshufb	%xmm5,	%xmm0,	%xmm0		# MC ch
+	tbl	v1.16b, {$sbbt}, v3.16b		// vpshufb	%xmm3,	%xmm1,	%xmm1		# 0 = sbbt
+	eor	v0.16b, v0.16b, v4.16b		// vpxor	%xmm4,	%xmm0,	%xmm0		# 4 = ch
+						// vmovdqa	0x40(%r10),	%xmm4		# 4 : sbeu
+	eor	v0.16b, v0.16b, v1.16b		// vpxor	%xmm1,	%xmm0,	%xmm0		# 0 = ch
+						// vmovdqa	0x50(%r10),	%xmm1		# 0 : sbet
+
+	tbl	v4.16b, {$sbeu}, v2.16b		// vpshufb	%xmm2,	%xmm4,	%xmm4		# 4 = sbeu
+	tbl	v0.16b, {v0.16b}, v5.16b	// vpshufb	%xmm5,	%xmm0,	%xmm0		# MC ch
+	tbl	v1.16b, {$sbet}, v3.16b		// vpshufb	%xmm3,	%xmm1,	%xmm1		# 0 = sbet
+	eor	v0.16b, v0.16b, v4.16b		// vpxor	%xmm4,	%xmm0,	%xmm0		# 4 = ch
+	ext	v5.16b, v5.16b, v5.16b, #12	// vpalignr \$12,	%xmm5,	%xmm5,	%xmm5
+	eor	v0.16b, v0.16b, v1.16b		// vpxor	%xmm1,	%xmm0,	%xmm0		# 0 = ch
+	sub	w8, w8, #1			// sub		\$1,%rax			# nr--
+
+.Ldec_entry:
+	// top of round
+	and	v1.16b, v0.16b, v17.16b		// vpand	%xmm9,	%xmm0,	%xmm1	# 0 = k
+	ushr	v0.16b, v0.16b, #4		// vpsrlb	\$4,	%xmm0,	%xmm0	# 1 = i
+	tbl	v2.16b, {$invhi}, v1.16b	// vpshufb	%xmm1,	%xmm11,	%xmm2	# 2 = a/k
+	eor	v1.16b,	v1.16b, v0.16b		// vpxor	%xmm0,	%xmm1,	%xmm1	# 0 = j
+	tbl	v3.16b, {$invlo}, v0.16b	// vpshufb	%xmm0, 	%xmm10,	%xmm3	# 3 = 1/i
+	tbl	v4.16b, {$invlo}, v1.16b	// vpshufb	%xmm1,	%xmm10,	%xmm4	# 4 = 1/j
+	eor	v3.16b, v3.16b, v2.16b		// vpxor	%xmm2,	%xmm3,	%xmm3	# 3 = iak = 1/i + a/k
+	eor	v4.16b, v4.16b, v2.16b		// vpxor	%xmm2, 	%xmm4,	%xmm4	# 4 = jak = 1/j + a/k
+	tbl	v2.16b, {$invlo}, v3.16b	// vpshufb	%xmm3,	%xmm10,	%xmm2	# 2 = 1/iak
+	tbl	v3.16b, {$invlo}, v4.16b	// vpshufb	%xmm4,  %xmm10,	%xmm3	# 3 = 1/jak
+	eor	v2.16b, v2.16b, v1.16b		// vpxor	%xmm1,	%xmm2,	%xmm2	# 2 = io
+	eor	v3.16b, v3.16b, v0.16b		// vpxor	%xmm0,  %xmm3,	%xmm3	# 3 = jo
+	ld1	{v16.2d}, [x9],#16		// vmovdqu	(%r9),	%xmm0
+	cbnz	w8, .Ldec_loop
+
+	// middle of last round
+						// vmovdqa	0x60(%r10),	%xmm4	# 3 : sbou
+	tbl	v4.16b, {$sbou}, v2.16b		// vpshufb	%xmm2,	%xmm4,	%xmm4	# 4 = sbou
+						// vmovdqa	0x70(%r10),	%xmm1	# 0 : sbot
+	ld1	{v2.2d}, [x11]			// vmovdqa	-0x160(%r11),	%xmm2	# .Lk_sr-.Lk_dsbd=-0x160
+	tbl	v1.16b, {$sbot}, v3.16b		// vpshufb	%xmm3,	%xmm1,	%xmm1	# 0 = sb1t
+	eor	v4.16b, v4.16b, v16.16b		// vpxor	%xmm0,	%xmm4,	%xmm4	# 4 = sb1u + k
+	eor	v0.16b, v1.16b, v4.16b		// vpxor	%xmm4,	%xmm1,	%xmm0	# 0 = A
+	tbl	v0.16b, {v0.16b}, v2.16b	// vpshufb	%xmm2,	%xmm0,	%xmm0
+	ret
+.size	_vpaes_decrypt_core,.-_vpaes_decrypt_core
+
+.globl	vpaes_decrypt
+.type	vpaes_decrypt,%function
+.align	4
+vpaes_decrypt:
+	stp	x29,x30,[sp,#-16]!
+	add	x29,sp,#0
+
+	ld1	{v7.16b}, [$inp]
+	bl	_vpaes_decrypt_preheat
+	bl	_vpaes_decrypt_core
+	st1	{v0.16b}, [$out]
+
+	ldp	x29,x30,[sp],#16
+	ret
+.size	vpaes_decrypt,.-vpaes_decrypt
+
+// v14-v15 input, v0-v1 output
+.type	_vpaes_decrypt_2x,%function
+.align	4
+_vpaes_decrypt_2x:
+	mov	x9, $key
+	ldr	w8, [$key,#240]			// pull rounds
+
+						// vmovdqa	.Lk_dipt(%rip), %xmm2	# iptlo
+	lsl	x11, x8, #4			// mov	%rax,	%r11;	shl	\$4, %r11
+	eor	x11, x11, #0x30			// xor		\$0x30,	%r11
+	adr	x10, .Lk_sr
+	and	x11, x11, #0x30			// and		\$0x30,	%r11
+	add	x11, x11, x10
+	adr	x10, .Lk_mc_forward+48
+
+	ld1	{v16.2d}, [x9],#16		// vmovdqu	(%r9),	%xmm4		# round0 key
+	and	v1.16b,  v14.16b, v17.16b	// vpand	%xmm9,	%xmm0,	%xmm1
+	ushr	v0.16b,  v14.16b, #4		// vpsrlb	\$4,	%xmm0,	%xmm0
+	 and	v9.16b,  v15.16b, v17.16b
+	 ushr	v8.16b,  v15.16b, #4
+	tbl	v2.16b,  {$iptlo},v1.16b	// vpshufb	%xmm1,	%xmm2,	%xmm2
+	 tbl	v10.16b, {$iptlo},v9.16b
+	ld1	{v5.2d}, [x10]			// vmovdqa	.Lk_mc_forward+48(%rip), %xmm5
+						// vmovdqa	.Lk_dipt+16(%rip), %xmm1 # ipthi
+	tbl	v0.16b,  {$ipthi},v0.16b	// vpshufb	%xmm0,	%xmm1,	%xmm0
+	 tbl	v8.16b,  {$ipthi},v8.16b
+	eor	v2.16b,  v2.16b,  v16.16b	// vpxor	%xmm4,	%xmm2,	%xmm2
+	 eor	v10.16b, v10.16b, v16.16b
+	eor	v0.16b,  v0.16b,  v2.16b	// vpxor	%xmm2,	%xmm0,	%xmm0
+	 eor	v8.16b,  v8.16b,  v10.16b
+	b	.Ldec_2x_entry
+
+.align 4
+.Ldec_2x_loop:
+//
+//  Inverse mix columns
+//
+						// vmovdqa	-0x20(%r10),%xmm4		# 4 : sb9u
+						// vmovdqa	-0x10(%r10),%xmm1		# 0 : sb9t
+	tbl	v4.16b,  {$sb9u}, v2.16b	// vpshufb	%xmm2,	%xmm4,	%xmm4		# 4 = sb9u
+	 tbl	v12.16b, {$sb9u}, v10.16b
+	tbl	v1.16b,  {$sb9t}, v3.16b	// vpshufb	%xmm3,	%xmm1,	%xmm1		# 0 = sb9t
+	 tbl	v9.16b,  {$sb9t}, v11.16b
+	eor	v0.16b,  v4.16b,  v16.16b	// vpxor	%xmm4,	%xmm0,	%xmm0
+	 eor	v8.16b,  v12.16b, v16.16b
+						// vmovdqa	0x00(%r10),%xmm4		# 4 : sbdu
+	eor	v0.16b,  v0.16b,  v1.16b	// vpxor	%xmm1,	%xmm0,	%xmm0		# 0 = ch
+	 eor	v8.16b,  v8.16b,  v9.16b	// vpxor	%xmm1,	%xmm0,	%xmm0		# 0 = ch
+						// vmovdqa	0x10(%r10),%xmm1		# 0 : sbdt
+
+	tbl	v4.16b,  {$sbdu}, v2.16b	// vpshufb	%xmm2,	%xmm4,	%xmm4		# 4 = sbdu
+	 tbl	v12.16b, {$sbdu}, v10.16b
+	tbl 	v0.16b,  {v0.16b},v5.16b	// vpshufb	%xmm5,	%xmm0,	%xmm0		# MC ch
+	 tbl 	v8.16b,  {v8.16b},v5.16b
+	tbl	v1.16b,  {$sbdt}, v3.16b	// vpshufb	%xmm3,	%xmm1,	%xmm1		# 0 = sbdt
+	 tbl	v9.16b,  {$sbdt}, v11.16b
+	eor	v0.16b,  v0.16b,  v4.16b	// vpxor	%xmm4,	%xmm0,	%xmm0		# 4 = ch
+	 eor	v8.16b,  v8.16b,  v12.16b
+						// vmovdqa	0x20(%r10),	%xmm4		# 4 : sbbu
+	eor	v0.16b,  v0.16b,  v1.16b	// vpxor	%xmm1,	%xmm0,	%xmm0		# 0 = ch
+	 eor	v8.16b,  v8.16b,  v9.16b
+						// vmovdqa	0x30(%r10),	%xmm1		# 0 : sbbt
+
+	tbl	v4.16b,  {$sbbu}, v2.16b	// vpshufb	%xmm2,	%xmm4,	%xmm4		# 4 = sbbu
+	 tbl	v12.16b, {$sbbu}, v10.16b
+	tbl	v0.16b,  {v0.16b},v5.16b	// vpshufb	%xmm5,	%xmm0,	%xmm0		# MC ch
+	 tbl	v8.16b,  {v8.16b},v5.16b
+	tbl	v1.16b,  {$sbbt}, v3.16b	// vpshufb	%xmm3,	%xmm1,	%xmm1		# 0 = sbbt
+	 tbl	v9.16b,  {$sbbt}, v11.16b
+	eor	v0.16b,  v0.16b,  v4.16b	// vpxor	%xmm4,	%xmm0,	%xmm0		# 4 = ch
+	 eor	v8.16b,  v8.16b,  v12.16b
+						// vmovdqa	0x40(%r10),	%xmm4		# 4 : sbeu
+	eor	v0.16b,  v0.16b,  v1.16b	// vpxor	%xmm1,	%xmm0,	%xmm0		# 0 = ch
+	 eor	v8.16b,  v8.16b,  v9.16b
+						// vmovdqa	0x50(%r10),	%xmm1		# 0 : sbet
+
+	tbl	v4.16b,  {$sbeu}, v2.16b	// vpshufb	%xmm2,	%xmm4,	%xmm4		# 4 = sbeu
+	 tbl	v12.16b, {$sbeu}, v10.16b
+	tbl	v0.16b,  {v0.16b},v5.16b	// vpshufb	%xmm5,	%xmm0,	%xmm0		# MC ch
+	 tbl	v8.16b,  {v8.16b},v5.16b
+	tbl	v1.16b,  {$sbet}, v3.16b	// vpshufb	%xmm3,	%xmm1,	%xmm1		# 0 = sbet
+	 tbl	v9.16b,  {$sbet}, v11.16b
+	eor	v0.16b,  v0.16b,  v4.16b	// vpxor	%xmm4,	%xmm0,	%xmm0		# 4 = ch
+	 eor	v8.16b,  v8.16b,  v12.16b
+	ext	v5.16b,  v5.16b,  v5.16b, #12	// vpalignr \$12,	%xmm5,	%xmm5,	%xmm5
+	eor	v0.16b,  v0.16b,  v1.16b	// vpxor	%xmm1,	%xmm0,	%xmm0		# 0 = ch
+	 eor	v8.16b,  v8.16b,  v9.16b
+	sub	w8, w8, #1			// sub		\$1,%rax			# nr--
+
+.Ldec_2x_entry:
+	// top of round
+	and	v1.16b,  v0.16b,  v17.16b	// vpand	%xmm9,	%xmm0,	%xmm1	# 0 = k
+	ushr	v0.16b,  v0.16b,  #4		// vpsrlb	\$4,	%xmm0,	%xmm0	# 1 = i
+	 and	v9.16b,  v8.16b,  v17.16b
+	 ushr	v8.16b,  v8.16b,  #4
+	tbl	v2.16b,  {$invhi},v1.16b	// vpshufb	%xmm1,	%xmm11,	%xmm2	# 2 = a/k
+	 tbl	v10.16b, {$invhi},v9.16b
+	eor	v1.16b,	 v1.16b,  v0.16b	// vpxor	%xmm0,	%xmm1,	%xmm1	# 0 = j
+	 eor	v9.16b,	 v9.16b,  v8.16b
+	tbl	v3.16b,  {$invlo},v0.16b	// vpshufb	%xmm0, 	%xmm10,	%xmm3	# 3 = 1/i
+	 tbl	v11.16b, {$invlo},v8.16b
+	tbl	v4.16b,  {$invlo},v1.16b	// vpshufb	%xmm1,	%xmm10,	%xmm4	# 4 = 1/j
+	 tbl	v12.16b, {$invlo},v9.16b
+	eor	v3.16b,  v3.16b,  v2.16b	// vpxor	%xmm2,	%xmm3,	%xmm3	# 3 = iak = 1/i + a/k
+	 eor	v11.16b, v11.16b, v10.16b
+	eor	v4.16b,  v4.16b,  v2.16b	// vpxor	%xmm2, 	%xmm4,	%xmm4	# 4 = jak = 1/j + a/k
+	 eor	v12.16b, v12.16b, v10.16b
+	tbl	v2.16b,  {$invlo},v3.16b	// vpshufb	%xmm3,	%xmm10,	%xmm2	# 2 = 1/iak
+	 tbl	v10.16b, {$invlo},v11.16b
+	tbl	v3.16b,  {$invlo},v4.16b	// vpshufb	%xmm4,  %xmm10,	%xmm3	# 3 = 1/jak
+	 tbl	v11.16b, {$invlo},v12.16b
+	eor	v2.16b,  v2.16b,  v1.16b	// vpxor	%xmm1,	%xmm2,	%xmm2	# 2 = io
+	 eor	v10.16b, v10.16b, v9.16b
+	eor	v3.16b,  v3.16b,  v0.16b	// vpxor	%xmm0,  %xmm3,	%xmm3	# 3 = jo
+	 eor	v11.16b, v11.16b, v8.16b
+	ld1	{v16.2d}, [x9],#16		// vmovdqu	(%r9),	%xmm0
+	cbnz	w8, .Ldec_2x_loop
+
+	// middle of last round
+						// vmovdqa	0x60(%r10),	%xmm4	# 3 : sbou
+	tbl	v4.16b,  {$sbou}, v2.16b	// vpshufb	%xmm2,	%xmm4,	%xmm4	# 4 = sbou
+	 tbl	v12.16b, {$sbou}, v10.16b
+						// vmovdqa	0x70(%r10),	%xmm1	# 0 : sbot
+	tbl	v1.16b,  {$sbot}, v3.16b	// vpshufb	%xmm3,	%xmm1,	%xmm1	# 0 = sb1t
+	 tbl	v9.16b,  {$sbot}, v11.16b
+	ld1	{v2.2d}, [x11]			// vmovdqa	-0x160(%r11),	%xmm2	# .Lk_sr-.Lk_dsbd=-0x160
+	eor	v4.16b,  v4.16b,  v16.16b	// vpxor	%xmm0,	%xmm4,	%xmm4	# 4 = sb1u + k
+	 eor	v12.16b, v12.16b, v16.16b
+	eor	v0.16b,  v1.16b,  v4.16b	// vpxor	%xmm4,	%xmm1,	%xmm0	# 0 = A
+	 eor	v8.16b,  v9.16b,  v12.16b
+	tbl	v0.16b,  {v0.16b},v2.16b	// vpshufb	%xmm2,	%xmm0,	%xmm0
+	 tbl	v1.16b,  {v8.16b},v2.16b
+	ret
+.size	_vpaes_decrypt_2x,.-_vpaes_decrypt_2x
+___
+}
+{
+my ($inp,$bits,$out,$dir)=("x0","w1","x2","w3");
+my ($invlo,$invhi,$iptlo,$ipthi,$rcon) = map("v$_.16b",(18..21,8));
+
+$code.=<<___;
+########################################################
+##                                                    ##
+##                  AES key schedule                  ##
+##                                                    ##
+########################################################
+.type	_vpaes_key_preheat,%function
+.align	4
+_vpaes_key_preheat:
+	adr	x10, .Lk_inv
+	movi	v16.16b, #0x5b			// .Lk_s63
+	adr	x11, .Lk_sb1
+	movi	v17.16b, #0x0f			// .Lk_s0F
+	ld1	{v18.2d-v21.2d}, [x10]		// .Lk_inv, .Lk_ipt
+	adr	x10, .Lk_dksd
+	ld1	{v22.2d-v23.2d}, [x11]		// .Lk_sb1
+	adr	x11, .Lk_mc_forward
+	ld1	{v24.2d-v27.2d}, [x10],#64	// .Lk_dksd, .Lk_dksb
+	ld1	{v28.2d-v31.2d}, [x10],#64	// .Lk_dkse, .Lk_dks9
+	ld1	{v8.2d}, [x10]			// .Lk_rcon
+	ld1	{v9.2d}, [x11]			// .Lk_mc_forward[0]
+	ret
+.size	_vpaes_key_preheat,.-_vpaes_key_preheat
+
+.type	_vpaes_schedule_core,%function
+.align	4
+_vpaes_schedule_core:
+	stp	x29, x30, [sp,#-16]!
+	add	x29,sp,#0
+
+	bl	_vpaes_key_preheat		// load the tables
+
+	ld1	{v0.16b}, [$inp],#16		// vmovdqu	(%rdi),	%xmm0		# load key (unaligned)
+
+	// input transform
+	mov	v3.16b, v0.16b			// vmovdqa	%xmm0,	%xmm3
+	bl	_vpaes_schedule_transform
+	mov	v7.16b, v0.16b			// vmovdqa	%xmm0,	%xmm7
+
+	adr	x10, .Lk_sr			// lea	.Lk_sr(%rip),%r10
+	add	x8, x8, x10
+	cbnz	$dir, .Lschedule_am_decrypting
+
+	// encrypting, output zeroth round key after transform
+	st1	{v0.2d}, [$out]			// vmovdqu	%xmm0,	(%rdx)
+	b	.Lschedule_go
+
+.Lschedule_am_decrypting:
+	// decrypting, output zeroth round key after shiftrows
+	ld1	{v1.2d}, [x8]			// vmovdqa	(%r8,%r10),	%xmm1
+	tbl	v3.16b, {v3.16b}, v1.16b	// vpshufb  %xmm1,	%xmm3,	%xmm3
+	st1	{v3.2d}, [$out]			// vmovdqu	%xmm3,	(%rdx)
+	eor	x8, x8, #0x30			// xor	\$0x30, %r8
+
+.Lschedule_go:
+	cmp	$bits, #192			// cmp	\$192,	%esi
+	bhi	.Lschedule_256
+	beq	.Lschedule_192
+	// 128: fall though
+
+##
+##  .schedule_128
+##
+##  128-bit specific part of key schedule.
+##
+##  This schedule is really simple, because all its parts
+##  are accomplished by the subroutines.
+##
+.Lschedule_128:
+	mov	$inp, #10			// mov	\$10, %esi
+
+.Loop_schedule_128:
+	sub	$inp, $inp, #1			// dec	%esi
+	bl 	_vpaes_schedule_round
+	cbz 	$inp, .Lschedule_mangle_last
+	bl	_vpaes_schedule_mangle		// write output
+	b 	.Loop_schedule_128
+
+##
+##  .aes_schedule_192
+##
+##  192-bit specific part of key schedule.
+##
+##  The main body of this schedule is the same as the 128-bit
+##  schedule, but with more smearing.  The long, high side is
+##  stored in %xmm7 as before, and the short, low side is in
+##  the high bits of %xmm6.
+##
+##  This schedule is somewhat nastier, however, because each
+##  round produces 192 bits of key material, or 1.5 round keys.
+##  Therefore, on each cycle we do 2 rounds and produce 3 round
+##  keys.
+##
+.align	4
+.Lschedule_192:
+	sub	$inp, $inp, #8
+	ld1	{v0.16b}, [$inp]		// vmovdqu	8(%rdi),%xmm0		# load key part 2 (very unaligned)
+	bl	_vpaes_schedule_transform	// input transform
+	mov	v6.16b, v0.16b			// vmovdqa	%xmm0,	%xmm6		# save short part
+	eor	v4.16b, v4.16b, v4.16b		// vpxor	%xmm4,	%xmm4, %xmm4	# clear 4
+	ins	v6.d[0], v4.d[0]		// vmovhlps	%xmm4,	%xmm6,	%xmm6		# clobber low side with zeros
+	mov	$inp, #4			// mov	\$4,	%esi
+
+.Loop_schedule_192:
+	sub	$inp, $inp, #1			// dec	%esi
+	bl	_vpaes_schedule_round
+	ext	v0.16b, v6.16b, v0.16b, #8	// vpalignr	\$8,%xmm6,%xmm0,%xmm0
+	bl	_vpaes_schedule_mangle		// save key n
+	bl	_vpaes_schedule_192_smear
+	bl	_vpaes_schedule_mangle		// save key n+1
+	bl	_vpaes_schedule_round
+	cbz 	$inp, .Lschedule_mangle_last
+	bl	_vpaes_schedule_mangle		// save key n+2
+	bl	_vpaes_schedule_192_smear
+	b	.Loop_schedule_192
+
+##
+##  .aes_schedule_256
+##
+##  256-bit specific part of key schedule.
+##
+##  The structure here is very similar to the 128-bit
+##  schedule, but with an additional "low side" in
+##  %xmm6.  The low side's rounds are the same as the
+##  high side's, except no rcon and no rotation.
+##
+.align	4
+.Lschedule_256:
+	ld1	{v0.16b}, [$inp]		// vmovdqu	16(%rdi),%xmm0		# load key part 2 (unaligned)
+	bl	_vpaes_schedule_transform	// input transform
+	mov	$inp, #7			// mov	\$7, %esi
+	
+.Loop_schedule_256:
+	sub	$inp, $inp, #1			// dec	%esi
+	bl	_vpaes_schedule_mangle		// output low result
+	mov	v6.16b, v0.16b			// vmovdqa	%xmm0,	%xmm6		# save cur_lo in xmm6
+
+	// high round
+	bl	_vpaes_schedule_round
+	cbz 	$inp, .Lschedule_mangle_last
+	bl	_vpaes_schedule_mangle	
+
+	// low round. swap xmm7 and xmm6
+	dup	v0.4s, v0.s[3]			// vpshufd	\$0xFF,	%xmm0,	%xmm0
+	movi	v4.16b, #0
+	mov	v5.16b, v7.16b			// vmovdqa	%xmm7,	%xmm5
+	mov	v7.16b, v6.16b			// vmovdqa	%xmm6,	%xmm7
+	bl	_vpaes_schedule_low_round
+	mov	v7.16b, v5.16b			// vmovdqa	%xmm5,	%xmm7
+	
+	b	.Loop_schedule_256
+
+##
+##  .aes_schedule_mangle_last
+##
+##  Mangler for last round of key schedule
+##  Mangles %xmm0
+##    when encrypting, outputs out(%xmm0) ^ 63
+##    when decrypting, outputs unskew(%xmm0)
+##
+##  Always called right before return... jumps to cleanup and exits
+##
+.align	4
+.Lschedule_mangle_last:
+	// schedule last round key from xmm0
+	adr	x11, .Lk_deskew			// lea	.Lk_deskew(%rip),%r11	# prepare to deskew
+	cbnz	$dir, .Lschedule_mangle_last_dec
+
+	// encrypting
+	ld1	{v1.2d}, [x8]			// vmovdqa	(%r8,%r10),%xmm1
+	adr	x11, .Lk_opt			// lea	.Lk_opt(%rip),	%r11		# prepare to output transform
+	add	$out, $out, #32			// add	\$32,	%rdx
+	tbl	v0.16b, {v0.16b}, v1.16b	// vpshufb	%xmm1,	%xmm0,	%xmm0		# output permute
+
+.Lschedule_mangle_last_dec:
+	ld1	{v20.2d-v21.2d}, [x11]		// reload constants
+	sub	$out, $out, #16			// add	\$-16,	%rdx 
+	eor	v0.16b, v0.16b, v16.16b		// vpxor	.Lk_s63(%rip),	%xmm0,	%xmm0
+	bl	_vpaes_schedule_transform	// output transform
+	st1	{v0.2d}, [$out]			// vmovdqu	%xmm0,	(%rdx)		# save last key
+
+	// cleanup
+	eor	v0.16b, v0.16b, v0.16b		// vpxor	%xmm0,	%xmm0,	%xmm0
+	eor	v1.16b, v1.16b, v1.16b		// vpxor	%xmm1,	%xmm1,	%xmm1
+	eor	v2.16b, v2.16b, v2.16b		// vpxor	%xmm2,	%xmm2,	%xmm2
+	eor	v3.16b, v3.16b, v3.16b		// vpxor	%xmm3,	%xmm3,	%xmm3
+	eor	v4.16b, v4.16b, v4.16b		// vpxor	%xmm4,	%xmm4,	%xmm4
+	eor	v5.16b, v5.16b, v5.16b		// vpxor	%xmm5,	%xmm5,	%xmm5
+	eor	v6.16b, v6.16b, v6.16b		// vpxor	%xmm6,	%xmm6,	%xmm6
+	eor	v7.16b, v7.16b, v7.16b		// vpxor	%xmm7,	%xmm7,	%xmm7
+	ldp	x29, x30, [sp],#16
+	ret
+.size	_vpaes_schedule_core,.-_vpaes_schedule_core
+
+##
+##  .aes_schedule_192_smear
+##
+##  Smear the short, low side in the 192-bit key schedule.
+##
+##  Inputs:
+##    %xmm7: high side, b  a  x  y
+##    %xmm6:  low side, d  c  0  0
+##    %xmm13: 0
+##
+##  Outputs:
+##    %xmm6: b+c+d  b+c  0  0
+##    %xmm0: b+c+d  b+c  b  a
+##
+.type	_vpaes_schedule_192_smear,%function
+.align	4
+_vpaes_schedule_192_smear:
+	movi	v1.16b, #0
+	dup	v0.4s, v7.s[3]
+	ins	v1.s[3], v6.s[2]	// vpshufd	\$0x80,	%xmm6,	%xmm1	# d c 0 0 -> c 0 0 0
+	ins	v0.s[0], v7.s[2]	// vpshufd	\$0xFE,	%xmm7,	%xmm0	# b a _ _ -> b b b a
+	eor	v6.16b, v6.16b, v1.16b	// vpxor	%xmm1,	%xmm6,	%xmm6	# -> c+d c 0 0
+	eor	v1.16b, v1.16b, v1.16b	// vpxor	%xmm1,	%xmm1,	%xmm1
+	eor	v6.16b, v6.16b, v0.16b	// vpxor	%xmm0,	%xmm6,	%xmm6	# -> b+c+d b+c b a
+	mov	v0.16b, v6.16b		// vmovdqa	%xmm6,	%xmm0
+	ins	v6.d[0], v1.d[0]	// vmovhlps	%xmm1,	%xmm6,	%xmm6	# clobber low side with zeros
+	ret
+.size	_vpaes_schedule_192_smear,.-_vpaes_schedule_192_smear
+
+##
+##  .aes_schedule_round
+##
+##  Runs one main round of the key schedule on %xmm0, %xmm7
+##
+##  Specifically, runs subbytes on the high dword of %xmm0
+##  then rotates it by one byte and xors into the low dword of
+##  %xmm7.
+##
+##  Adds rcon from low byte of %xmm8, then rotates %xmm8 for
+##  next rcon.
+##
+##  Smears the dwords of %xmm7 by xoring the low into the
+##  second low, result into third, result into highest.
+##
+##  Returns results in %xmm7 = %xmm0.
+##  Clobbers %xmm1-%xmm4, %r11.
+##
+.type	_vpaes_schedule_round,%function
+.align	4
+_vpaes_schedule_round:
+	// extract rcon from xmm8
+	movi	v4.16b, #0			// vpxor	%xmm4,	%xmm4,	%xmm4
+	ext	v1.16b, $rcon, v4.16b, #15	// vpalignr	\$15,	%xmm8,	%xmm4,	%xmm1
+	ext	$rcon, $rcon, $rcon, #15	// vpalignr	\$15,	%xmm8,	%xmm8,	%xmm8
+	eor	v7.16b, v7.16b, v1.16b		// vpxor	%xmm1,	%xmm7,	%xmm7
+
+	// rotate
+	dup	v0.4s, v0.s[3]			// vpshufd	\$0xFF,	%xmm0,	%xmm0
+	ext	v0.16b, v0.16b, v0.16b, #1	// vpalignr	\$1,	%xmm0,	%xmm0,	%xmm0
+
+	// fall through...
+
+	// low round: same as high round, but no rotation and no rcon.
+_vpaes_schedule_low_round:
+	// smear xmm7
+	ext	v1.16b, v4.16b, v7.16b, #12	// vpslldq	\$4,	%xmm7,	%xmm1
+	eor	v7.16b, v7.16b, v1.16b		// vpxor	%xmm1,	%xmm7,	%xmm7
+	ext	v4.16b, v4.16b, v7.16b, #8	// vpslldq	\$8,	%xmm7,	%xmm4
+
+	// subbytes
+	and	v1.16b, v0.16b, v17.16b		// vpand	%xmm9,	%xmm0,	%xmm1		# 0 = k
+	ushr	v0.16b, v0.16b, #4		// vpsrlb	\$4,	%xmm0,	%xmm0		# 1 = i
+	 eor	v7.16b, v7.16b, v4.16b		// vpxor	%xmm4,	%xmm7,	%xmm7
+	tbl	v2.16b, {$invhi}, v1.16b	// vpshufb	%xmm1,	%xmm11,	%xmm2		# 2 = a/k
+	eor	v1.16b, v1.16b, v0.16b		// vpxor	%xmm0,	%xmm1,	%xmm1		# 0 = j
+	tbl	v3.16b, {$invlo}, v0.16b	// vpshufb	%xmm0, 	%xmm10,	%xmm3		# 3 = 1/i
+	eor	v3.16b, v3.16b, v2.16b		// vpxor	%xmm2,	%xmm3,	%xmm3		# 3 = iak = 1/i + a/k
+	tbl	v4.16b, {$invlo}, v1.16b	// vpshufb	%xmm1,	%xmm10,	%xmm4		# 4 = 1/j
+	 eor	v7.16b, v7.16b, v16.16b		// vpxor	.Lk_s63(%rip),	%xmm7,	%xmm7
+	tbl	v3.16b, {$invlo}, v3.16b	// vpshufb	%xmm3,	%xmm10,	%xmm3		# 2 = 1/iak
+	eor	v4.16b, v4.16b, v2.16b		// vpxor	%xmm2,	%xmm4,	%xmm4		# 4 = jak = 1/j + a/k
+	tbl	v2.16b, {$invlo}, v4.16b	// vpshufb	%xmm4,	%xmm10,	%xmm2		# 3 = 1/jak
+	eor	v3.16b, v3.16b, v1.16b		// vpxor	%xmm1,	%xmm3,	%xmm3		# 2 = io
+	eor	v2.16b, v2.16b, v0.16b		// vpxor	%xmm0,	%xmm2,	%xmm2		# 3 = jo
+	tbl	v4.16b, {v23.16b}, v3.16b	// vpshufb	%xmm3,	%xmm13,	%xmm4		# 4 = sbou
+	tbl	v1.16b, {v22.16b}, v2.16b	// vpshufb	%xmm2,	%xmm12,	%xmm1		# 0 = sb1t
+	eor	v1.16b, v1.16b, v4.16b		// vpxor	%xmm4,	%xmm1,	%xmm1		# 0 = sbox output
+
+	// add in smeared stuff
+	eor	v0.16b, v1.16b, v7.16b		// vpxor	%xmm7,	%xmm1,	%xmm0
+	eor	v7.16b, v1.16b, v7.16b		// vmovdqa	%xmm0,	%xmm7
+	ret
+.size	_vpaes_schedule_round,.-_vpaes_schedule_round
+
+##
+##  .aes_schedule_transform
+##
+##  Linear-transform %xmm0 according to tables at (%r11)
+##
+##  Requires that %xmm9 = 0x0F0F... as in preheat
+##  Output in %xmm0
+##  Clobbers %xmm1, %xmm2
+##
+.type	_vpaes_schedule_transform,%function
+.align	4
+_vpaes_schedule_transform:
+	and	v1.16b, v0.16b, v17.16b		// vpand	%xmm9,	%xmm0,	%xmm1
+	ushr	v0.16b, v0.16b, #4		// vpsrlb	\$4,	%xmm0,	%xmm0
+						// vmovdqa	(%r11),	%xmm2 	# lo
+	tbl	v2.16b, {$iptlo}, v1.16b	// vpshufb	%xmm1,	%xmm2,	%xmm2
+						// vmovdqa	16(%r11),	%xmm1 # hi
+	tbl	v0.16b, {$ipthi}, v0.16b	// vpshufb	%xmm0,	%xmm1,	%xmm0
+	eor	v0.16b, v0.16b, v2.16b		// vpxor	%xmm2,	%xmm0,	%xmm0
+	ret
+.size	_vpaes_schedule_transform,.-_vpaes_schedule_transform
+
+##
+##  .aes_schedule_mangle
+##
+##  Mangle xmm0 from (basis-transformed) standard version
+##  to our version.
+##
+##  On encrypt,
+##    xor with 0x63
+##    multiply by circulant 0,1,1,1
+##    apply shiftrows transform
+##
+##  On decrypt,
+##    xor with 0x63
+##    multiply by "inverse mixcolumns" circulant E,B,D,9
+##    deskew
+##    apply shiftrows transform
+##
+##
+##  Writes out to (%rdx), and increments or decrements it
+##  Keeps track of round number mod 4 in %r8
+##  Preserves xmm0
+##  Clobbers xmm1-xmm5
+##
+.type	_vpaes_schedule_mangle,%function
+.align	4
+_vpaes_schedule_mangle:
+	mov	v4.16b, v0.16b			// vmovdqa	%xmm0,	%xmm4	# save xmm0 for later
+						// vmovdqa	.Lk_mc_forward(%rip),%xmm5
+	cbnz	$dir, .Lschedule_mangle_dec
+
+	// encrypting
+	eor	v4.16b, v0.16b, v16.16b		// vpxor	.Lk_s63(%rip),	%xmm0,	%xmm4
+	add	$out, $out, #16			// add	\$16,	%rdx
+	tbl	v4.16b, {v4.16b}, v9.16b	// vpshufb	%xmm5,	%xmm4,	%xmm4
+	tbl	v1.16b, {v4.16b}, v9.16b	// vpshufb	%xmm5,	%xmm4,	%xmm1
+	tbl	v3.16b, {v1.16b}, v9.16b	// vpshufb	%xmm5,	%xmm1,	%xmm3
+	eor	v4.16b, v4.16b, v1.16b		// vpxor	%xmm1,	%xmm4,	%xmm4
+	ld1	{v1.2d}, [x8]			// vmovdqa	(%r8,%r10),	%xmm1
+	eor	v3.16b, v3.16b, v4.16b		// vpxor	%xmm4,	%xmm3,	%xmm3
+
+	b	.Lschedule_mangle_both
+.align	4
+.Lschedule_mangle_dec:
+	// inverse mix columns
+						// lea	.Lk_dksd(%rip),%r11
+	ushr	v1.16b, v4.16b, #4		// vpsrlb	\$4,	%xmm4,	%xmm1	# 1 = hi
+	and	v4.16b, v4.16b, v17.16b		// vpand	%xmm9,	%xmm4,	%xmm4	# 4 = lo
+
+						// vmovdqa	0x00(%r11),	%xmm2
+	tbl	v2.16b, {v24.16b}, v4.16b	// vpshufb	%xmm4,	%xmm2,	%xmm2
+						// vmovdqa	0x10(%r11),	%xmm3
+	tbl	v3.16b,	{v25.16b}, v1.16b	// vpshufb	%xmm1,	%xmm3,	%xmm3
+	eor	v3.16b, v3.16b, v2.16b		// vpxor	%xmm2,	%xmm3,	%xmm3
+	tbl	v3.16b, {v3.16b}, v9.16b	// vpshufb	%xmm5,	%xmm3,	%xmm3
+
+						// vmovdqa	0x20(%r11),	%xmm2
+	tbl	v2.16b, {v26.16b}, v4.16b	// vpshufb	%xmm4,	%xmm2,	%xmm2
+	eor	v2.16b, v2.16b, v3.16b		// vpxor	%xmm3,	%xmm2,	%xmm2
+						// vmovdqa	0x30(%r11),	%xmm3
+	tbl	v3.16b, {v27.16b}, v1.16b	// vpshufb	%xmm1,	%xmm3,	%xmm3
+	eor	v3.16b, v3.16b, v2.16b		// vpxor	%xmm2,	%xmm3,	%xmm3
+	tbl	v3.16b, {v3.16b}, v9.16b	// vpshufb	%xmm5,	%xmm3,	%xmm3
+
+						// vmovdqa	0x40(%r11),	%xmm2
+	tbl	v2.16b, {v28.16b}, v4.16b	// vpshufb	%xmm4,	%xmm2,	%xmm2
+	eor	v2.16b, v2.16b, v3.16b		// vpxor	%xmm3,	%xmm2,	%xmm2
+						// vmovdqa	0x50(%r11),	%xmm3
+	tbl	v3.16b, {v29.16b}, v1.16b	// vpshufb	%xmm1,	%xmm3,	%xmm3
+	eor	v3.16b, v3.16b, v2.16b		// vpxor	%xmm2,	%xmm3,	%xmm3
+
+						// vmovdqa	0x60(%r11),	%xmm2
+	tbl	v2.16b, {v30.16b}, v4.16b	// vpshufb	%xmm4,	%xmm2,	%xmm2
+	tbl	v3.16b, {v3.16b}, v9.16b	// vpshufb	%xmm5,	%xmm3,	%xmm3
+						// vmovdqa	0x70(%r11),	%xmm4
+	tbl	v4.16b, {v31.16b}, v1.16b	// vpshufb	%xmm1,	%xmm4,	%xmm4
+	ld1	{v1.2d}, [x8]			// vmovdqa	(%r8,%r10),	%xmm1
+	eor	v2.16b, v2.16b, v3.16b		// vpxor	%xmm3,	%xmm2,	%xmm2
+	eor	v3.16b, v4.16b, v2.16b		// vpxor	%xmm2,	%xmm4,	%xmm3
+
+	sub	$out, $out, #16			// add	\$-16,	%rdx
+
+.Lschedule_mangle_both:
+	tbl	v3.16b, {v3.16b}, v1.16b	// vpshufb	%xmm1,	%xmm3,	%xmm3
+	add	x8, x8, #64-16			// add	\$-16,	%r8
+	bic	x8, x8, #1<<6			// and	\$0x30,	%r8
+	st1	{v3.2d}, [$out]			// vmovdqu	%xmm3,	(%rdx)
+	ret
+.size	_vpaes_schedule_mangle,.-_vpaes_schedule_mangle
+
+.globl	vpaes_set_encrypt_key
+.type	vpaes_set_encrypt_key,%function
+.align	4
+vpaes_set_encrypt_key:
+	stp	x29,x30,[sp,#-16]!
+	add	x29,sp,#0
+	stp	d8,d9,[sp,#-16]!	// ABI spec says so
+
+	lsr	w9, $bits, #5		// shr	\$5,%eax
+	add	w9, w9, #5		// \$5,%eax
+	str	w9, [$out,#240]		// mov	%eax,240(%rdx)	# AES_KEY->rounds = nbits/32+5;
+
+	mov	$dir, #0		// mov	\$0,%ecx
+	mov	x8, #0x30		// mov	\$0x30,%r8d
+	bl	_vpaes_schedule_core
+	eor	x0, x0, x0
+
+	ldp	d8,d9,[sp],#16
+	ldp	x29,x30,[sp],#16
+	ret
+.size	vpaes_set_encrypt_key,.-vpaes_set_encrypt_key
+
+.globl	vpaes_set_decrypt_key
+.type	vpaes_set_decrypt_key,%function
+.align	4
+vpaes_set_decrypt_key:
+	stp	x29,x30,[sp,#-16]!
+	add	x29,sp,#0
+	stp	d8,d9,[sp,#-16]!	// ABI spec says so
+
+	lsr	w9, $bits, #5		// shr	\$5,%eax
+	add	w9, w9, #5		// \$5,%eax
+	str	w9, [$out,#240]		// mov	%eax,240(%rdx)	# AES_KEY->rounds = nbits/32+5;
+	lsl	w9, w9, #4		// shl	\$4,%eax
+	add	$out, $out, #16		// lea	16(%rdx,%rax),%rdx
+	add	$out, $out, x9
+
+	mov	$dir, #1		// mov	\$1,%ecx
+	lsr	w8, $bits, #1		// shr	\$1,%r8d
+	and	x8, x8, #32		// and	\$32,%r8d
+	eor	x8, x8, #32		// xor	\$32,%r8d	# nbits==192?0:32
+	bl	_vpaes_schedule_core
+
+	ldp	d8,d9,[sp],#16
+	ldp	x29,x30,[sp],#16
+	ret
+.size	vpaes_set_decrypt_key,.-vpaes_set_decrypt_key
+___
+}
+{
+my ($inp,$out,$len,$key,$ivec,$dir) = map("x$_",(0..5));
+
+$code.=<<___;
+.globl	vpaes_cbc_encrypt
+.type	vpaes_cbc_encrypt,%function
+.align	4
+vpaes_cbc_encrypt:
+	cbz	$len, .Lcbc_abort
+	cmp	w5, #0			// check direction
+	b.eq	vpaes_cbc_decrypt
+
+	stp	x29,x30,[sp,#-16]!
+	add	x29,sp,#0
+
+	mov	x17, $len		// reassign
+	mov	x2,  $key		// reassign
+
+	ld1	{v0.16b}, [$ivec]	// load ivec
+	bl	_vpaes_encrypt_preheat
+	b	.Lcbc_enc_loop
+
+.align	4
+.Lcbc_enc_loop:
+	ld1	{v7.16b}, [$inp],#16	// load input
+	eor	v7.16b, v7.16b, v0.16b	// xor with ivec
+	bl	_vpaes_encrypt_core
+	st1	{v0.16b}, [$out],#16	// save output
+	subs	x17, x17, #16
+	b.hi	.Lcbc_enc_loop
+
+	st1	{v0.16b}, [$ivec]	// write ivec
+
+	ldp	x29,x30,[sp],#16
+.Lcbc_abort:
+	ret
+.size	vpaes_cbc_encrypt,.-vpaes_cbc_encrypt
+
+.type	vpaes_cbc_decrypt,%function
+.align	4
+vpaes_cbc_decrypt:
+	stp	x29,x30,[sp,#-16]!
+	add	x29,sp,#0
+	stp	d8,d9,[sp,#-16]!	// ABI spec says so
+	stp	d10,d11,[sp,#-16]!
+	stp	d12,d13,[sp,#-16]!
+	stp	d14,d15,[sp,#-16]!
+
+	mov	x17, $len		// reassign
+	mov	x2,  $key		// reassign
+	ld1	{v6.16b}, [$ivec]	// load ivec
+	bl	_vpaes_decrypt_preheat
+	tst	x17, #16
+	b.eq	.Lcbc_dec_loop2x
+
+	ld1	{v7.16b}, [$inp], #16	// load input
+	bl	_vpaes_decrypt_core
+	eor	v0.16b, v0.16b, v6.16b	// xor with ivec
+	orr	v6.16b, v7.16b, v7.16b	// next ivec value
+	st1	{v0.16b}, [$out], #16
+	subs	x17, x17, #16
+	b.ls	.Lcbc_dec_done
+
+.align	4
+.Lcbc_dec_loop2x:
+	ld1	{v14.16b,v15.16b}, [$inp], #32
+	bl	_vpaes_decrypt_2x
+	eor	v0.16b, v0.16b, v6.16b	// xor with ivec
+	eor	v1.16b, v1.16b, v14.16b
+	orr	v6.16b, v15.16b, v15.16b
+	st1	{v0.16b,v1.16b}, [$out], #32
+	subs	x17, x17, #32
+	b.hi	.Lcbc_dec_loop2x
+
+.Lcbc_dec_done:
+	st1	{v6.16b}, [$ivec]
+
+	ldp	d14,d15,[sp],#16
+	ldp	d12,d13,[sp],#16
+	ldp	d10,d11,[sp],#16
+	ldp	d8,d9,[sp],#16
+	ldp	x29,x30,[sp],#16
+	ret
+.size	vpaes_cbc_decrypt,.-vpaes_cbc_decrypt
+___
+if (1) {
+$code.=<<___;
+.globl	vpaes_ecb_encrypt
+.type	vpaes_ecb_encrypt,%function
+.align	4
+vpaes_ecb_encrypt:
+	stp	x29,x30,[sp,#-16]!
+	add	x29,sp,#0
+	stp	d8,d9,[sp,#-16]!	// ABI spec says so
+	stp	d10,d11,[sp,#-16]!
+	stp	d12,d13,[sp,#-16]!
+	stp	d14,d15,[sp,#-16]!
+
+	mov	x17, $len
+	mov	x2,  $key
+	bl	_vpaes_encrypt_preheat
+	tst	x17, #16
+	b.eq	.Lecb_enc_loop
+
+	ld1	{v7.16b}, [$inp],#16
+	bl	_vpaes_encrypt_core
+	st1	{v0.16b}, [$out],#16
+	subs	x17, x17, #16
+	b.ls	.Lecb_enc_done
+
+.align	4
+.Lecb_enc_loop:
+	ld1	{v14.16b,v15.16b}, [$inp], #32
+	bl	_vpaes_encrypt_2x
+	st1	{v0.16b,v1.16b}, [$out], #32
+	subs	x17, x17, #32
+	b.hi	.Lecb_enc_loop
+
+.Lecb_enc_done:
+	ldp	d14,d15,[sp],#16
+	ldp	d12,d13,[sp],#16
+	ldp	d10,d11,[sp],#16
+	ldp	d8,d9,[sp],#16
+	ldp	x29,x30,[sp],#16
+	ret
+.size	vpaes_ecb_encrypt,.-vpaes_ecb_encrypt
+
+.globl	vpaes_ecb_decrypt
+.type	vpaes_ecb_decrypt,%function
+.align	4
+vpaes_ecb_decrypt:
+	stp	x29,x30,[sp,#-16]!
+	add	x29,sp,#0
+	stp	d8,d9,[sp,#-16]!	// ABI spec says so
+	stp	d10,d11,[sp,#-16]!
+	stp	d12,d13,[sp,#-16]!
+	stp	d14,d15,[sp,#-16]!
+
+	mov	x17, $len
+	mov	x2,  $key
+	bl	_vpaes_decrypt_preheat
+	tst	x17, #16
+	b.eq	.Lecb_dec_loop
+
+	ld1	{v7.16b}, [$inp],#16
+	bl	_vpaes_encrypt_core
+	st1	{v0.16b}, [$out],#16
+	subs	x17, x17, #16
+	b.ls	.Lecb_dec_done
+
+.align	4
+.Lecb_dec_loop:
+	ld1	{v14.16b,v15.16b}, [$inp], #32
+	bl	_vpaes_decrypt_2x
+	st1	{v0.16b,v1.16b}, [$out], #32
+	subs	x17, x17, #32
+	b.hi	.Lecb_dec_loop
+
+.Lecb_dec_done:
+	ldp	d14,d15,[sp],#16
+	ldp	d12,d13,[sp],#16
+	ldp	d10,d11,[sp],#16
+	ldp	d8,d9,[sp],#16
+	ldp	x29,x30,[sp],#16
+	ret
+.size	vpaes_ecb_decrypt,.-vpaes_ecb_decrypt
+___
+}	}
+print $code;
+
+close STDOUT;