diff options
| author | Andy Polyakov <appro@openssl.org> | 2014-10-01 23:55:54 +0200 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2014-10-01 23:59:14 +0200 |
| commit | ae4af7a067531245c20f032afe61a68d60d39d11 (patch) | |
| tree | 0a9f4fc89f0547388f608bb4230ba4cd900e8fc9 /crypto/cast/asm | |
| parent | df8c39d52256c2e5327a636928b6d1ed05f695a2 (diff) | |
crypto/cast/asm/cast-586.pl: +5% on PIII and remove obsolete readme.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Diffstat (limited to 'crypto/cast/asm')
| -rw-r--r-- | crypto/cast/asm/cast-586.pl | 9 | ||||
| -rw-r--r-- | crypto/cast/asm/readme | 7 |
2 files changed, 6 insertions, 10 deletions
diff --git a/crypto/cast/asm/cast-586.pl b/crypto/cast/asm/cast-586.pl index bf6810d335..ec2eab179d 100644 --- a/crypto/cast/asm/cast-586.pl +++ b/crypto/cast/asm/cast-586.pl @@ -1,6 +1,9 @@ #!/usr/local/bin/perl -# define for pentium pro friendly version +# 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. $ppro=1; $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; @@ -140,11 +143,11 @@ 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, 0xff); + &and( $tmp2, $tmp4); &shr( $tmp4, 16); # &xor( $tmp3, $tmp3); diff --git a/crypto/cast/asm/readme b/crypto/cast/asm/readme deleted file mode 100644 index fbcd76289e..0000000000 --- a/crypto/cast/asm/readme +++ /dev/null @@ -1,7 +0,0 @@ -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. - |