hw/apic.c: use bsr and bsf on x86_64

(C.W. Betts)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5382 c046a42c-6fe2-441c-8c8c-71466251a162

diff --git a/hw/apic.c b/hw/apic.c
index 64e75ad0f01c469db07c7e48653675b178f5db8e..74e3a716156cc31785c41b80a94a93bb1d956324 100644 (file)
--- a/hw/apic.c
+++ b/hw/apic.c
@@ -109,7 +109,7 @@ static int fls_bit(uint32_t value)
 {
     unsigned int ret = 0;
 
-#if defined(HOST_I386)
+#if defined(HOST_I386) || defined(HOST_X86_64)
     __asm__ __volatile__ ("bsr %1, %0\n" : "+r" (ret) : "rm" (value));
     return ret;
 #else
@@ -130,7 +130,7 @@ static int ffs_bit(uint32_t value)
 {
     unsigned int ret = 0;
 
-#if defined(HOST_I386)
+#if defined(HOST_I386) || defined(HOST_X86_64)
     __asm__ __volatile__ ("bsf %1, %0\n" : "+r" (ret) : "rm" (value));
     return ret;
 #else