diff options
Diffstat (limited to 'include/qemu/host-utils.h')
| -rw-r--r-- | include/qemu/host-utils.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/qemu/host-utils.h b/include/qemu/host-utils.h index 38da849..4cd170e 100644 --- a/include/qemu/host-utils.h +++ b/include/qemu/host-utils.h @@ -207,7 +207,7 @@ static inline int cto64(uint64_t val) */ static inline int clrsb32(uint32_t val) { -#if QEMU_GNUC_PREREQ(4, 7) +#if __has_builtin(__builtin_clrsb) || !defined(__clang__) return __builtin_clrsb(val); #else return clz32(val ^ ((int32_t)val >> 1)) - 1; @@ -223,7 +223,7 @@ static inline int clrsb32(uint32_t val) */ static inline int clrsb64(uint64_t val) { -#if QEMU_GNUC_PREREQ(4, 7) +#if __has_builtin(__builtin_clrsbll) || !defined(__clang__) return __builtin_clrsbll(val); #else return clz64(val ^ ((int64_t)val >> 1)) - 1; |