ppc64-mont.pl: adapt for 32-bit and engage for all builds.

[openssl.git] / crypto / bn / asm / ppc-mont.pl

diff --git a/crypto/bn/asm/ppc-mont.pl b/crypto/bn/asm/ppc-mont.pl
index 7849eae..9257b2c 100644 (file)
--- a/crypto/bn/asm/ppc-mont.pl
+++ b/crypto/bn/asm/ppc-mont.pl
@@ -108,14 +108,19 @@ $code=<<___;
 .machine "any"
 .text
 
-.globl .bn_mul_mont
+.globl .bn_mul_mont_int
 .align 4
-.bn_mul_mont:
+.bn_mul_mont_int:
        cmpwi   $num,4
        mr      $rp,r3          ; $rp is reassigned
        li      r3,0
        bltlr
-
+___
+$code.=<<___ if ($BNSZ==4);
+       cmpwi   $num,32         ; longer key performance is not better
+       bgelr
+___
+$code.=<<___;
        slwi    $num,$num,`log($BNSZ)/log(2)`
        li      $tj,-4096
        addi    $ovf,$num,`$FRAME+$RZONE`