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| author | Marco Bodrato <bodrato@mail.dm.unipi.it> | 2018-02-08 12:58:28 +0100 |
|---|---|---|
| committer | Marco Bodrato <bodrato@mail.dm.unipi.it> | 2018-02-08 12:58:28 +0100 |
| commit | 95d89505a623cd743e05ac8b0b30ddcb85091506 (patch) | |
| tree | 165643d52a435116b192da38680cce1750a0c9bd /gmp-impl.h | |
| parent | 50bf88ac58fabb0788cd774eeffb87f03a1a8de9 (diff) | |
| download | gmp-95d89505a623cd743e05ac8b0b30ddcb85091506.tar.gz | |
gmp-impl.h (popc_limb): Use fewer constants (GMP_LIMB_BITS == 16)
Diffstat (limited to 'gmp-impl.h')
| -rw-r--r-- | gmp-impl.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gmp-impl.h b/gmp-impl.h index f0e2bff50..7bcdd89d0 100644 --- a/gmp-impl.h +++ b/gmp-impl.h @@ -3711,9 +3711,9 @@ __GMP_DECLSPEC extern const unsigned char binvert_limb_table[128]; mp_limb_t __x = (input); \ __x -= (__x >> 1) & MP_LIMB_T_MAX/3; \ __x = ((__x >> 2) & MP_LIMB_T_MAX/5) + (__x & MP_LIMB_T_MAX/5); \ - __x = ((__x >> 4) + __x) & MP_LIMB_T_MAX/17; \ - __x = ((__x >> 8) + __x); \ - (result) = __x & 0xff; \ + __x += (__x >> 4); \ + __x = ((__x >> 8) & MP_LIMB_T_MAX/4369)+(__x & MP_LIMB_T_MAX/4369); \ + (result) = __x; \ } while (0) #endif |