From 9ad64bdf309844b6ca6c3e8a4dfb6dbaedda0ca9 Mon Sep 17 00:00:00 2001 From: Jia Tan Date: Thu, 4 May 2023 20:30:25 +0800 Subject: tuklib_integer.h: Reverts previous commit. Previous commit 6be460dde07113fe3f08f814b61ddc3264125a96 would cause an error if the integer size was 32 bit. --- src/common/tuklib_integer.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/common') 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__)) -- cgit v1.2.3