Bring C bn_mul_mont template closer to assembler.
authorAndy Polyakov <appro@openssl.org>
Tue, 16 Dec 2008 07:28:38 +0000 (07:28 +0000)
committerAndy Polyakov <appro@openssl.org>
Tue, 16 Dec 2008 07:28:38 +0000 (07:28 +0000)
crypto/bn/bn_asm.c

index 230258b..c43c91c 100644 (file)
@@ -860,13 +860,35 @@ int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_U
 
        n0 = *n0p;
 
-       tp[num]   = bn_mul_words(tp,ap,num,bp[0]);
+       c0 = 0;
+       ml = bp[0];
+#ifdef mul64
+       mh = HBITS(ml);
+       ml = LBITS(ml);
+       for (j=0;j<num;++j)
+               mul(tp[j],ap[j],ml,mh,c0);
+#else
+       for (j=0;j<num;++j)
+               mul(tp[j],ap[j],ml,c0);
+#endif
+
+       tp[num]   = c0;
        tp[num+1] = 0;
        goto enter;
 
        for(i=0;i<num;i++)
                {
-               c0 = bn_mul_add_words(tp,ap,num,bp[i]);
+               c0 = 0;
+               ml = bp[i];
+#ifdef mul64
+               mh = HBITS(ml);
+               ml = LBITS(ml);
+               for (j=0;j<num;++j)
+                       mul_add(tp[j],ap[j],ml,mh,c0);
+#else
+               for (j=0;j<num;++j)
+                       mul_add(tp[j],ap[j],ml,c0);
+#endif
                c1 = (tp[num] + c0)&BN_MASK2;
                tp[num]   = c1;
                tp[num+1] = (c1<c0?1:0);