diff options
Diffstat (limited to 'src/include/port/pg_bitutils.h')
| -rw-r--r-- | src/include/port/pg_bitutils.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/include/port/pg_bitutils.h b/src/include/port/pg_bitutils.h index 4d88478c9c2..a3cad46afe9 100644 --- a/src/include/port/pg_bitutils.h +++ b/src/include/port/pg_bitutils.h @@ -74,13 +74,13 @@ pg_leftmost_one_pos64(uint64 word) #ifdef HAVE__BUILTIN_CLZ Assert(word != 0); -#if defined(HAVE_LONG_INT_64) +#if SIZEOF_LONG == 8 return 63 - __builtin_clzl(word); -#elif defined(HAVE_LONG_LONG_INT_64) +#elif SIZEOF_LONG_LONG == 8 return 63 - __builtin_clzll(word); #else -#error must have a working 64-bit integer datatype -#endif /* HAVE_LONG_INT_64 */ +#error "cannot find integer type of the same size as uint64_t" +#endif #elif defined(_MSC_VER) && (defined(_M_AMD64) || defined(_M_ARM64)) unsigned long result; @@ -147,13 +147,13 @@ pg_rightmost_one_pos64(uint64 word) #ifdef HAVE__BUILTIN_CTZ Assert(word != 0); -#if defined(HAVE_LONG_INT_64) +#if SIZEOF_LONG == 8 return __builtin_ctzl(word); -#elif defined(HAVE_LONG_LONG_INT_64) +#elif SIZEOF_LONG_LONG == 8 return __builtin_ctzll(word); #else -#error must have a working 64-bit integer datatype -#endif /* HAVE_LONG_INT_64 */ +#error "cannot find integer type of the same size as uint64_t" +#endif #elif defined(_MSC_VER) && (defined(_M_AMD64) || defined(_M_ARM64)) unsigned long result; |