diff options
| -rw-r--r-- | host-utils.h | 12 | ||||
| -rw-r--r-- | hw/apic.c | 4 |
2 files changed, 8 insertions, 8 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); @@ -107,7 +107,7 @@ static void apic_update_irq(APICState *s); /* Find first bit starting from msb */ static int fls_bit(uint32_t value) { -#if defined(__GNUC__) +#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) return 31 - __builtin_clz(value); #else unsigned int ret = 0; @@ -127,7 +127,7 @@ static int fls_bit(uint32_t value) /* Find first bit starting from lsb */ static int ffs_bit(uint32_t value) { -#if defined(__GNUC__) +#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) return __builtin_ffs(value) - 1; #else unsigned int ret = 0; |