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| author | Jia Tan <jiat0218@gmail.com> | 2023-05-04 20:30:25 +0800 |
|---|---|---|
| committer | Jia Tan <jiat0218@gmail.com> | 2023-05-04 20:30:25 +0800 |
| commit | 9ad64bdf309844b6ca6c3e8a4dfb6dbaedda0ca9 (patch) | |
| tree | 7df5ddace6c71cc0e3ab90ec2c48474128de5963 /src | |
| parent | tuklib_integer.h: Changes two other UINT_MAX == UINT32_MAX to >=. (diff) | |
| download | xz-9ad64bdf309844b6ca6c3e8a4dfb6dbaedda0ca9.tar.xz | |
tuklib_integer.h: Reverts previous commit.
Previous commit 6be460dde07113fe3f08f814b61ddc3264125a96 would cause an
error if the integer size was 32 bit.
Diffstat (limited to 'src')
| -rw-r--r-- | src/common/tuklib_integer.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/common/tuklib_integer.h b/src/common/tuklib_integer.h index d6355cc7..24d9efb1 100644 --- a/src/common/tuklib_integer.h +++ b/src/common/tuklib_integer.h @@ -636,7 +636,7 @@ bsr32(uint32_t n) #if defined(__INTEL_COMPILER) return _bit_scan_reverse(n); -#elif (TUKLIB_GNUC_REQ(3, 4) || defined(__clang__)) && UINT_MAX >= UINT32_MAX +#elif (TUKLIB_GNUC_REQ(3, 4) || defined(__clang__)) && UINT_MAX == UINT32_MAX // GCC >= 3.4 has __builtin_clz(), which gives good results on // multiple architectures. On x86, __builtin_clz() ^ 31U becomes // either plain BSR (so the XOR gets optimized away) or LZCNT and @@ -690,7 +690,7 @@ clz32(uint32_t n) #if defined(__INTEL_COMPILER) return _bit_scan_reverse(n) ^ 31U; -#elif (TUKLIB_GNUC_REQ(3, 4) || defined(__clang__)) && UINT_MAX >= UINT32_MAX +#elif (TUKLIB_GNUC_REQ(3, 4) || defined(__clang__)) && UINT_MAX == UINT32_MAX return (uint32_t)__builtin_clz(n); #elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) |