fix regression (clobbered register; redmine #534)

13 years ago · af20eaf2e5
parent 0df4c5838d
commit af20eaf2e5
1 changed files with 6 additions and 2 deletions
--- a/src/util-cpu.c
+++ b/src/util-cpu.c
@ -192,8 +192,10 @@ uint64_t UtilCpuGetTicks(void)
 #else
    __asm__ __volatile__ (
    "xorl %%eax,%%eax\n\t"
+    "pushl %%ebx\n\t"
    "cpuid\n\t"
-    ::: "%eax", "%ebx", "%ecx", "%edx");
+    "popl %%ebx\n\t"
+    ::: "%eax", "%ecx", "%edx");
 #endif
    uint32_t a, d;
    __asm__ __volatile__ ("rdtsc" : "=a" (a), "=d" (d));
@ -206,8 +208,10 @@ uint64_t UtilCpuGetTicks(void)
 #else
    __asm__ __volatile__ (
    "xorl %%eax,%%eax\n\t"
+    "pushl %%ebx\n\t"
    "cpuid\n\t"
-    ::: "%eax", "%ebx", "%ecx", "%edx");
+    "popl %%ebx\n\t"
+    ::: "%eax", "%ecx", "%edx");
 #endif

 #else /* #if defined(__GNU__) */