diff options
Diffstat (limited to 'host-utils.h')
| -rw-r--r-- | host-utils.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/host-utils.h b/host-utils.h index c907fe839a..2a46c9baff 100644 --- a/host-utils.h +++ b/host-utils.h @@ -51,7 +51,7 @@ void mulu64(uint64_t *phigh, uint64_t *plow, uint64_t a, uint64_t b); static always_inline int clz32(uint32_t val) { -#if defined(__GNUC__) +#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) if (val) return __builtin_clz(val); else @@ -93,7 +93,7 @@ static always_inline int clo32(uint32_t val) static always_inline int clz64(uint64_t val) { -#if defined(__GNUC__) +#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) if (val) return __builtin_clzll(val); else @@ -118,7 +118,7 @@ static always_inline int clo64(uint64_t val) static always_inline int ctz32 (uint32_t val) { -#if defined(__GNUC__) +#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) if (val) return __builtin_ctz(val); else @@ -162,7 +162,7 @@ static always_inline int cto32 (uint32_t val) static always_inline int ctz64 (uint64_t val) { -#if defined(__GNUC__) +#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) if (val) return __builtin_ctz(val); else @@ -206,7 +206,7 @@ static always_inline int ctpop16 (uint16_t val) static always_inline int ctpop32 (uint32_t val) { -#if defined(__GNUC__) +#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) return __builtin_popcount(val); #else val = (val & 0x55555555) + ((val >> 1) & 0x55555555); @@ -221,7 +221,7 @@ static always_inline int ctpop32 (uint32_t val) static always_inline int ctpop64 (uint64_t val) { -#if defined(__GNUC__) +#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) return __builtin_popcountll(val); #else val = (val & 0x5555555555555555ULL) + ((val >> 1) & 0x5555555555555555ULL); |