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| author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-04-30 22:32:05 +0000 |
|---|---|---|
| committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-04-30 22:32:05 +0000 |
| commit | 12aa4f0a57619d083429d94519af45656cd243aa (patch) | |
| tree | bf2bb47ce27e83ecbedec9ab753bfbe4d87e119b /internal.h | |
| parent | c33cf79b10de6e1c9efb05f541976eefc2a042b0 (diff) | |
| download | ruby-12aa4f0a57619d083429d94519af45656cd243aa.tar.gz | |
* string.c (search_nonascii): use nlz on big endian environments.
* internal.h (nlz_intpr): defined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54859 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'internal.h')
| -rw-r--r-- | internal.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/internal.h b/internal.h index a8f4240059..0bac79e012 100644 --- a/internal.h +++ b/internal.h @@ -261,6 +261,15 @@ nlz_int128(uint128_t x) #endif static inline int +nlz_intptr(uintptr_t x) { +#if SIZEOF_VOIDP == 8 + return nlz_long_long(x); +#elif SIZEOF_VOIDP == 4 + return nlz_int(x); +#endif +} + +static inline int rb_popcount32(uint32_t x) { x = (x & 0x55555555) + (x >> 1 & 0x55555555); x = (x & 0x33333333) + (x >> 2 & 0x33333333); |