diff options
| author | Niels M?ller <nisse@lysator.liu.se> | 2014-02-11 21:22:07 +0100 |
|---|---|---|
| committer | Niels M?ller <nisse@lysator.liu.se> | 2014-02-11 21:22:07 +0100 |
| commit | 0c9075cc3ec1e2207187264f603fb7de576bea7c (patch) | |
| tree | 7b2f628194e63daf06bbd25745813053cbb51b53 /tune | |
| parent | 2f55bc34fd43a72ba75250ff38aae445d9702131 (diff) | |
| download | gmp-0c9075cc3ec1e2207187264f603fb7de576bea7c.tar.gz | |
mpn_sec_powm: Replace exponent limb count argument with a bit count.
Diffstat (limited to 'tune')
| -rw-r--r-- | tune/tuneup.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/tune/tuneup.c b/tune/tuneup.c index 0b2c5d22e..bfd619a00 100644 --- a/tune/tuneup.c +++ b/tune/tuneup.c @@ -1881,7 +1881,7 @@ tune_powm_sec (void) k = 1; winsize = 10; /* the itch function needs this */ - itch = mpn_sec_powm_itch (n_max, n_max, n_max); + itch = mpn_sec_powm_itch (n_max, n_max * GMP_NUMB_BITS, n_max); rp = TMP_ALLOC_LIMBS (n_max); bp = TMP_ALLOC_LIMBS (n_max); @@ -1923,16 +1923,11 @@ tune_powm_sec (void) for (i = 0; i < n; i++) ep[i] = ~CNST_LIMB(0); - /* Truncate E to be exactly nbits large. */ - if (nbits % GMP_NUMB_BITS != 0) - mpn_rshift (ep, ep, n, GMP_NUMB_BITS - nbits % GMP_NUMB_BITS); - ep[n - 1] |= CNST_LIMB(1) << (nbits - 1) % GMP_NUMB_BITS; - winsize = k; for (i = 0; i < n_measurements; i++) { speed_starttime (); - mpn_sec_powm (rp, bp, n, ep, n, mp, n, tp); + mpn_sec_powm (rp, bp, n, ep, nbits, mp, n, tp); ttab[i] = speed_endtime (); } tk = median (ttab, n_measurements); @@ -1942,7 +1937,7 @@ tune_powm_sec (void) for (i = 0; i < n_measurements; i++) { speed_starttime (); - mpn_sec_powm (rp, bp, n, ep, n, mp, n, tp); + mpn_sec_powm (rp, bp, n, ep, nbits, mp, n, tp); ttab[i] = speed_endtime (); } tkp1 = median (ttab, n_measurements); |