diff options
Diffstat (limited to 'lib/libcrypto/bn/bn_asm.c')
| -rw-r--r-- | lib/libcrypto/bn/bn_asm.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/libcrypto/bn/bn_asm.c b/lib/libcrypto/bn/bn_asm.c index 19978085b26..99bc2de4913 100644 --- a/lib/libcrypto/bn/bn_asm.c +++ b/lib/libcrypto/bn/bn_asm.c @@ -459,6 +459,34 @@ BN_ULONG bn_sub_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, int n) #define sqr_add_c2(a,i,j,c0,c1,c2) \ mul_add_c2((a)[i],(a)[j],c0,c1,c2) +#elif defined(BN_UMULT_LOHI) + +#define mul_add_c(a,b,c0,c1,c2) { \ + BN_ULONG ta=(a),tb=(b); \ + BN_UMULT_LOHI(t1,t2,ta,tb); \ + c0 += t1; t2 += (c0<t1)?1:0; \ + c1 += t2; c2 += (c1<t2)?1:0; \ + } + +#define mul_add_c2(a,b,c0,c1,c2) { \ + BN_ULONG ta=(a),tb=(b),t0; \ + BN_UMULT_LOHI(t0,t1,ta,tb); \ + t2 = t1+t1; c2 += (t2<t1)?1:0; \ + t1 = t0+t0; t2 += (t1<t0)?1:0; \ + c0 += t1; t2 += (c0<t1)?1:0; \ + c1 += t2; c2 += (c1<t2)?1:0; \ + } + +#define sqr_add_c(a,i,c0,c1,c2) { \ + BN_ULONG ta=(a)[i]; \ + BN_UMULT_LOHI(t1,t2,ta,ta); \ + c0 += t1; t2 += (c0<t1)?1:0; \ + c1 += t2; c2 += (c1<t2)?1:0; \ + } + +#define sqr_add_c2(a,i,j,c0,c1,c2) \ + mul_add_c2((a)[i],(a)[j],c0,c1,c2) + #elif defined(BN_UMULT_HIGH) #define mul_add_c(a,b,c0,c1,c2) { \ |