x86_64-xlate.pl: refine sign extension logic when handling lea [from HEAD].

[openssl.git] / crypto / perlasm / x86_64-xlate.pl

diff --git a/crypto/perlasm/x86_64-xlate.pl b/crypto/perlasm/x86_64-xlate.pl
index c09c3216add8c9f12d7a5b788d0893e88a3faf5c..e4fc17bdbdbc8976da1b82aa99a833090e2e2f96 100755 (executable)
--- a/crypto/perlasm/x86_64-xlate.pl
+++ b/crypto/perlasm/x86_64-xlate.pl
@@ -241,9 +241,11 @@ my %globals;
 
        if ($gas) {
            # Solaris /usr/ccs/bin/as can't handle multiplications
-           # in $self->{label}
+           # in $self->{label}, new gas requires sign extension...
+           use integer;
            $self->{label} =~ s/(?<![0-9a-f])(0[x0-9a-f]+)/oct($1)/egi;
            $self->{label} =~ s/([0-9]+\s*[\*\/\%]\s*[0-9]+)/eval($1)/eg;
+           $self->{label} =~ s/([0-9]+)/$1<<32>>32/eg;
            $self->{label} =~ s/^___imp_/__imp__/   if ($flavour eq "mingw64");
 
            if (defined($self->{index})) {