x86_64 assembly pack: improve masm support.
(Imported from upstream's 371feee876dd8b58531cb6e50fe79262db8e4ed7)
Change-Id: Id3b5ece6b5e5f0565060d5e598ea265d64dac9df
diff --git a/crypto/bn/asm/x86_64-mont.pl b/crypto/bn/asm/x86_64-mont.pl
index 29c0f9c..39476ab 100644
--- a/crypto/bn/asm/x86_64-mont.pl
+++ b/crypto/bn/asm/x86_64-mont.pl
@@ -65,7 +65,7 @@
if (!$addx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) &&
`ml64 2>&1` =~ /Version ([0-9]+)\./) {
- $addx = ($1>=11);
+ $addx = ($1>=12);
}
# int bn_mul_mont(
@@ -741,9 +741,11 @@
my @A1=("%r12","%r13");
my ($a0,$a1,$ai)=("%r14","%r15","%rbx");
+$code.=<<___ if ($addx);
+.extern bn_sqrx8x_internal # see x86_64-mont5 module
+___
$code.=<<___;
.extern bn_sqr8x_internal # see x86_64-mont5 module
-.extern bn_sqrx8x_internal # see x86_64-mont5 module
.type bn_sqr8x_mont,\@function,6
.align 32