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zhaoxiaomeng
2018-01-04 13:38:57 +08:00
committed by Simon
parent d11f845fde
commit 53af3b51ae
2361 changed files with 387455 additions and 144458 deletions
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23
crypto/cast/asm/cast-586.pl
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@@ -1,16 +1,6 @@
#! /usr/bin/env perl
# Copyright 1995-2016 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
#!/usr/local/bin/perl
# This flag makes the inner loop one cycle longer, but generates
# code that runs %30 faster on the pentium pro/II, 44% faster
# of PIII, while only %7 slower on the pentium.
# By default, this flag is on.
# define for pentium pro friendly version
$ppro=1;
$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
@@ -18,9 +8,6 @@ push(@INC,"${dir}","${dir}../../perlasm");
require "x86asm.pl";
require "cbc.pl";
$output=pop;
open STDOUT,">$output";
&asm_init($ARGV[0],"cast-586.pl",$ARGV[$#ARGV] eq "386");
$CAST_ROUNDS=16;
@@ -46,8 +33,6 @@ $S4="CAST_S_table3";
&asm_finish();
close STDOUT;
sub CAST_encrypt {
local($name,$enc)=@_;
@@ -155,11 +140,11 @@ sub E_CAST {
&rotl( $tmp4, &LB($tmp1));
if ($ppro) {
&mov( $tmp2, $tmp4); # B
&xor( $tmp1, $tmp1);
&mov( $tmp2, 0xff);
&movb( &LB($tmp1), &HB($tmp4)); # A
&and( $tmp2, $tmp4);
&and( $tmp2, 0xff);
&shr( $tmp4, 16); #
&xor( $tmp3, $tmp3);

7
crypto/cast/asm/readme Normal file
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@@ -0,0 +1,7 @@
There is a ppro flag in cast-586 which turns on/off
generation of pentium pro/II friendly code
This flag makes the inner loop one cycle longer, but generates
code that runs %30 faster on the pentium pro/II, while only %7 slower
on the pentium. By default, this flag is on.