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-rwxr-xr-xcrypto/bn/asm/ppc64-mont-fixed.pl6
1 files changed, 4 insertions, 2 deletions
diff --git a/crypto/bn/asm/ppc64-mont-fixed.pl b/crypto/bn/asm/ppc64-mont-fixed.pl
index 0fb397bc5f..e27d0ad93d 100755
--- a/crypto/bn/asm/ppc64-mont-fixed.pl
+++ b/crypto/bn/asm/ppc64-mont-fixed.pl
@@ -63,6 +63,7 @@ my $SIZE_T= 8;
# Registers are global so the code is remotely readable
# Parameters for Montgomery multiplication
+my $ze = "r0";
my $sp = "r1";
my $toc = "r2";
my $rp = "r3";
@@ -192,6 +193,7 @@ ___
$self->save_registers();
$self->add_code(<<___);
+ li $ze,0
ld $n0,0($n0)
ld $bp0,0($bp)
@@ -242,7 +244,7 @@ ___
$self->add_code(<<___);
addc $tp[$n],$tp[$n],$c0
- addze $tp[$n+1],$tp[$n+1]
+ addze $tp[$n+1],$ze
___
$self->add_code(<<___);
@@ -272,7 +274,7 @@ ___
and. $tp[$n],$tp[$n],$tp[$n]
bne $label->{"sub"}
- cmpld $tp[$n-1],$npj
+ cmpld $tp[$n-1],$npj
blt $label->{"copy"}
$label->{"sub"}: