-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2011-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (the "License"). You may not use
+# this file except in compliance with the License. You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
######################################################################
## Constant-time SSSE3 AES core implementation.
#
# aes-x86_64.pl vpaes-x86_64.pl
#
-# Core 2(**) 30.5/43.7/14.3 21.8/25.7(***)
-# Nehalem 30.5/42.2/14.6 9.8/11.8
-# Atom 63.9/79.0/32.1 64.0/84.8(***)
+# Core 2(**) 29.6/41.1/14.3 21.9/25.2(***)
+# Nehalem 29.6/40.3/14.6 10.0/11.8
+# Atom 57.3/74.2/32.1 60.9/77.2(***)
+# Silvermont 52.7/64.0/19.5 48.8/60.8(***)
+# Goldmont 38.9/49.0/17.8 10.6/12.6
#
# (*) "Hyper-threading" in the context refers rather to cache shared
# among multiple cores, than to specifically Intel HTT. As vast
# (**) "Core 2" refers to initial 65nm design, a.k.a. Conroe.
#
# (***) Less impressive improvement on Core 2 and Atom is due to slow
-# pshufb, yet it's respectable +40%/78% improvement on Core 2
+# pshufb, yet it's respectable +36%/62% improvement on Core 2
# (as implied, over "hyper-threading-safe" code path).
#
# <appro@openssl.org>
( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
die "can't locate x86_64-xlate.pl";
-open OUT,"| \"$^X\" $xlate $flavour $output";
+open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\"";
*STDOUT=*OUT;
$PREFIX="vpaes";
movdqa .Lk_ipt+16(%rip), %xmm0 # ipthi
pshufb %xmm1, %xmm0
pxor %xmm5, %xmm2
- pxor %xmm2, %xmm0
add \$16, %r9
+ pxor %xmm2, %xmm0
lea .Lk_mc_backward(%rip),%r10
jmp .Lenc_entry
.Lenc_loop:
# middle of middle round
movdqa %xmm13, %xmm4 # 4 : sb1u
- pshufb %xmm2, %xmm4 # 4 = sb1u
- pxor %xmm5, %xmm4 # 4 = sb1u + k
movdqa %xmm12, %xmm0 # 0 : sb1t
+ pshufb %xmm2, %xmm4 # 4 = sb1u
pshufb %xmm3, %xmm0 # 0 = sb1t
- pxor %xmm4, %xmm0 # 0 = A
+ pxor %xmm5, %xmm4 # 4 = sb1u + k
movdqa %xmm15, %xmm5 # 4 : sb2u
- pshufb %xmm2, %xmm5 # 4 = sb2u
+ pxor %xmm4, %xmm0 # 0 = A
movdqa -0x40(%r11,%r10), %xmm1 # .Lk_mc_forward[]
+ pshufb %xmm2, %xmm5 # 4 = sb2u
+ movdqa (%r11,%r10), %xmm4 # .Lk_mc_backward[]
movdqa %xmm14, %xmm2 # 2 : sb2t
pshufb %xmm3, %xmm2 # 2 = sb2t
- pxor %xmm5, %xmm2 # 2 = 2A
- movdqa (%r11,%r10), %xmm4 # .Lk_mc_backward[]
movdqa %xmm0, %xmm3 # 3 = A
+ pxor %xmm5, %xmm2 # 2 = 2A
pshufb %xmm1, %xmm0 # 0 = B
add \$16, %r9 # next key
pxor %xmm2, %xmm0 # 0 = 2A+B
pxor %xmm0, %xmm3 # 3 = 2A+B+D
pshufb %xmm1, %xmm0 # 0 = 2B+C
and \$0x30, %r11 # ... mod 4
- pxor %xmm3, %xmm0 # 0 = 2A+3B+C+D
sub \$1,%rax # nr--
+ pxor %xmm3, %xmm0 # 0 = 2A+3B+C+D
.Lenc_entry:
# top of round
movdqa %xmm9, %xmm1 # 1 : i
+ movdqa %xmm11, %xmm5 # 2 : a/k
pandn %xmm0, %xmm1 # 1 = i<<4
psrld \$4, %xmm1 # 1 = i
pand %xmm9, %xmm0 # 0 = k
- movdqa %xmm11, %xmm5 # 2 : a/k
pshufb %xmm0, %xmm5 # 2 = a/k
- pxor %xmm1, %xmm0 # 0 = j
movdqa %xmm10, %xmm3 # 3 : 1/i
+ pxor %xmm1, %xmm0 # 0 = j
pshufb %xmm1, %xmm3 # 3 = 1/i
- pxor %xmm5, %xmm3 # 3 = iak = 1/i + a/k
movdqa %xmm10, %xmm4 # 4 : 1/j
+ pxor %xmm5, %xmm3 # 3 = iak = 1/i + a/k
pshufb %xmm0, %xmm4 # 4 = 1/j
- pxor %xmm5, %xmm4 # 4 = jak = 1/j + a/k
movdqa %xmm10, %xmm2 # 2 : 1/iak
+ pxor %xmm5, %xmm4 # 4 = jak = 1/j + a/k
pshufb %xmm3, %xmm2 # 2 = 1/iak
- pxor %xmm0, %xmm2 # 2 = io
movdqa %xmm10, %xmm3 # 3 : 1/jak
- movdqu (%r9), %xmm5
+ pxor %xmm0, %xmm2 # 2 = io
pshufb %xmm4, %xmm3 # 3 = 1/jak
+ movdqu (%r9), %xmm5
pxor %xmm1, %xmm3 # 3 = jo
jnz .Lenc_loop
## Inverse mix columns
##
movdqa -0x20(%r10),%xmm4 # 4 : sb9u
+ movdqa -0x10(%r10),%xmm1 # 0 : sb9t
pshufb %xmm2, %xmm4 # 4 = sb9u
- pxor %xmm0, %xmm4
- movdqa -0x10(%r10),%xmm0 # 0 : sb9t
- pshufb %xmm3, %xmm0 # 0 = sb9t
- pxor %xmm4, %xmm0 # 0 = ch
- add \$16, %r9 # next round key
-
- pshufb %xmm5, %xmm0 # MC ch
+ pshufb %xmm3, %xmm1 # 0 = sb9t
+ pxor %xmm4, %xmm0
movdqa 0x00(%r10),%xmm4 # 4 : sbdu
+ pxor %xmm1, %xmm0 # 0 = ch
+ movdqa 0x10(%r10),%xmm1 # 0 : sbdt
+
pshufb %xmm2, %xmm4 # 4 = sbdu
- pxor %xmm0, %xmm4 # 4 = ch
- movdqa 0x10(%r10),%xmm0 # 0 : sbdt
- pshufb %xmm3, %xmm0 # 0 = sbdt
- pxor %xmm4, %xmm0 # 0 = ch
- sub \$1,%rax # nr--
-
pshufb %xmm5, %xmm0 # MC ch
+ pshufb %xmm3, %xmm1 # 0 = sbdt
+ pxor %xmm4, %xmm0 # 4 = ch
movdqa 0x20(%r10),%xmm4 # 4 : sbbu
+ pxor %xmm1, %xmm0 # 0 = ch
+ movdqa 0x30(%r10),%xmm1 # 0 : sbbt
+
pshufb %xmm2, %xmm4 # 4 = sbbu
- pxor %xmm0, %xmm4 # 4 = ch
- movdqa 0x30(%r10),%xmm0 # 0 : sbbt
- pshufb %xmm3, %xmm0 # 0 = sbbt
- pxor %xmm4, %xmm0 # 0 = ch
-
pshufb %xmm5, %xmm0 # MC ch
+ pshufb %xmm3, %xmm1 # 0 = sbbt
+ pxor %xmm4, %xmm0 # 4 = ch
movdqa 0x40(%r10),%xmm4 # 4 : sbeu
- pshufb %xmm2, %xmm4 # 4 = sbeu
- pxor %xmm0, %xmm4 # 4 = ch
- movdqa 0x50(%r10),%xmm0 # 0 : sbet
- pshufb %xmm3, %xmm0 # 0 = sbet
- pxor %xmm4, %xmm0 # 0 = ch
+ pxor %xmm1, %xmm0 # 0 = ch
+ movdqa 0x50(%r10),%xmm1 # 0 : sbet
+ pshufb %xmm2, %xmm4 # 4 = sbeu
+ pshufb %xmm5, %xmm0 # MC ch
+ pshufb %xmm3, %xmm1 # 0 = sbet
+ pxor %xmm4, %xmm0 # 4 = ch
+ add \$16, %r9 # next round key
palignr \$12, %xmm5, %xmm5
-
+ pxor %xmm1, %xmm0 # 0 = ch
+ sub \$1,%rax # nr--
+
.Ldec_entry:
# top of round
movdqa %xmm9, %xmm1 # 1 : i
pandn %xmm0, %xmm1 # 1 = i<<4
+ movdqa %xmm11, %xmm2 # 2 : a/k
psrld \$4, %xmm1 # 1 = i
pand %xmm9, %xmm0 # 0 = k
- movdqa %xmm11, %xmm2 # 2 : a/k
pshufb %xmm0, %xmm2 # 2 = a/k
- pxor %xmm1, %xmm0 # 0 = j
movdqa %xmm10, %xmm3 # 3 : 1/i
+ pxor %xmm1, %xmm0 # 0 = j
pshufb %xmm1, %xmm3 # 3 = 1/i
- pxor %xmm2, %xmm3 # 3 = iak = 1/i + a/k
movdqa %xmm10, %xmm4 # 4 : 1/j
+ pxor %xmm2, %xmm3 # 3 = iak = 1/i + a/k
pshufb %xmm0, %xmm4 # 4 = 1/j
pxor %xmm2, %xmm4 # 4 = jak = 1/j + a/k
movdqa %xmm10, %xmm2 # 2 : 1/iak
pshufb %xmm3, %xmm2 # 2 = 1/iak
- pxor %xmm0, %xmm2 # 2 = io
movdqa %xmm10, %xmm3 # 3 : 1/jak
+ pxor %xmm0, %xmm2 # 2 = io
pshufb %xmm4, %xmm3 # 3 = 1/jak
- pxor %xmm1, %xmm3 # 3 = jo
movdqu (%r9), %xmm0
+ pxor %xmm1, %xmm3 # 3 = jo
jnz .Ldec_loop
# middle of last round
.type _vpaes_schedule_192_smear,\@abi-omnipotent
.align 16
_vpaes_schedule_192_smear:
- pshufd \$0x80, %xmm6, %xmm0 # d c 0 0 -> c 0 0 0
- pxor %xmm0, %xmm6 # -> c+d c 0 0
+ pshufd \$0x80, %xmm6, %xmm1 # d c 0 0 -> c 0 0 0
pshufd \$0xFE, %xmm7, %xmm0 # b a _ _ -> b b b a
+ pxor %xmm1, %xmm6 # -> c+d c 0 0
+ pxor %xmm1, %xmm1
pxor %xmm0, %xmm6 # -> b+c+d b+c b a
movdqa %xmm6, %xmm0
- pxor %xmm1, %xmm1
movhlps %xmm1, %xmm6 # clobber low side with zeros
ret
.size _vpaes_schedule_192_smear,.-_vpaes_schedule_192_smear
projects / cassiopeia.git / blobdiff