diff options
Diffstat (limited to 'include/llvm/Support/MathExtras.h')
| -rw-r--r-- | include/llvm/Support/MathExtras.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/llvm/Support/MathExtras.h b/include/llvm/Support/MathExtras.h index 7742e32737..00c6ad70d4 100644 --- a/include/llvm/Support/MathExtras.h +++ b/include/llvm/Support/MathExtras.h @@ -80,7 +80,7 @@ inline std::size_t countTrailingZeros<uint32_t>(uint32_t Val, ZeroBehavior ZB) { if (ZB != ZB_Undefined && Val == 0) return 32; -#if __GNUC__ >= 4 +#if __has_builtin(__builtin_ctz) || __GNUC_PREREQ(4, 0) return __builtin_ctz(Val); #elif _MSC_VER unsigned long Index; @@ -95,7 +95,7 @@ inline std::size_t countTrailingZeros<uint64_t>(uint64_t Val, ZeroBehavior ZB) { if (ZB != ZB_Undefined && Val == 0) return 64; -#if __GNUC__ >= 4 +#if __has_builtin(__builtin_ctzll) || __GNUC_PREREQ(4, 0) return __builtin_ctzll(Val); #elif _MSC_VER unsigned long Index; @@ -146,7 +146,7 @@ inline std::size_t countLeadingZeros<uint32_t>(uint32_t Val, ZeroBehavior ZB) { if (ZB != ZB_Undefined && Val == 0) return 32; -#if __GNUC__ >= 4 +#if __has_builtin(__builtin_clz) || __GNUC_PREREQ(4, 0) return __builtin_clz(Val); #elif _MSC_VER unsigned long Index; @@ -161,7 +161,7 @@ inline std::size_t countLeadingZeros<uint64_t>(uint64_t Val, ZeroBehavior ZB) { if (ZB != ZB_Undefined && Val == 0) return 64; -#if __GNUC__ >= 4 +#if __has_builtin(__builtin_clzll) || __GNUC_PREREQ(4, 0) return __builtin_clzll(Val); #elif _MSC_VER unsigned long Index; |