motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-12-11 16:00:50 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

Define macro QEMU_GNUC_PREREQ and use it

Browse source 
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5467 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-10-12 16:15:04 +00:00
parent 5b7ada46e5
commit bad5b1ec8e
3 changed files with 16 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

5
hw/apic.c
View file

@ -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;