diff options
Diffstat (limited to 'hw/apic.c')
| -rw-r--r-- | hw/apic.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/hw/apic.c b/hw/apic.c index 42920869c1..762852e90f 100644 --- a/hw/apic.c +++ b/hw/apic.c @@ -20,6 +20,7 @@ #include "hw.h" #include "pc.h" #include "qemu-timer.h" +#include "osdep.h" //#define DEBUG_APIC //#define DEBUG_IOAPIC @@ -107,7 +108,7 @@ static void apic_update_irq(APICState *s); /* Find first bit starting from msb */ static int fls_bit(uint32_t value) { -#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) +#if QEMU_GNUC_PREREQ(3, 4) return 31 - __builtin_clz(value); #else unsigned int ret = 0; @@ -127,7 +128,7 @@ static int fls_bit(uint32_t value) /* Find first bit starting from lsb */ static int ffs_bit(uint32_t value) { -#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) +#if QEMU_GNUC_PREREQ(3, 4) return __builtin_ffs(value) - 1; #else unsigned int ret = 0; |