crypto/cast/asm/cast-586.pl: +5% on PIII and remove obsolete readme.

Reviewed-by: Rich Salz <rsalz@openssl.org>

diff --git a/crypto/cast/asm/cast-586.pl b/crypto/cast/asm/cast-586.pl
index bf6810d335f25310b06e303623e7573c75c40ef9..ec2eab179d536d2cf3c5b8417377201340393de6 100644 (file)
--- 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 (file)
index fbcd762..0000000
--- 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.
-