Latest update.

crypto/bn/asm/armv8-mont.pl

@@ -40,15 +40,18 @@
 # 50-70% improvement for RSA4096 sign. RSA2048 sign is ~25% faster
 # on Cortex-A57 and ~60-100% faster on others.
 
-$flavour = shift;
-$output  = shift;
+# $output is the last argument if it looks like a file (it has an extension)
+# $flavour is the first argument if it doesn't look like a file
+my $output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef;
+my $flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef;
 
 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $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 $output";
+open OUT,"| \"$^X\" $xlate $flavour \"$output\""
+    or die "can't call $xlate: $1";
 *STDOUT=*OUT;
 
 ($lo0,$hi0,$aj,$m0,$alo,$ahi,