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From 705916007fba0a845229a02dc6474cb523eff150 Mon Sep 17 00:00:00 2001
From: David Schleef <ds@schleef.org>
Date: Tue, 20 Jul 2010 21:05:26 +0000
Subject: x86: Fix cpuid function on x86-64
Fixes: #28956.
---
diff --git a/liboil/liboilcpu-x86.c b/liboil/liboilcpu-x86.c
index e7a1978..ef4d3f2 100644
--- a/liboil/liboilcpu-x86.c
+++ b/liboil/liboilcpu-x86.c
@@ -162,13 +162,10 @@ get_cpuid (uint32_t op, uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d)
static void
get_cpuid (uint32_t op, uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d)
{
+ *a = op;
__asm__ (
- " pushq %%rbx\n"
" cpuid\n"
- " mov %%ebx, %%esi\n"
- " popq %%rbx\n"
- : "=a" (*a), "=S" (*b), "=c" (*c), "=d" (*d)
- : "0" (op));
+ : "+a" (*a), "=b" (*b), "=c" (*c), "=d" (*d));
}
#endif
@@ -185,7 +182,7 @@ oil_cpu_detect_cpuid (void)
{
uint32_t eax, ebx, ecx, edx;
uint32_t level;
- char vendor[13] = { 0 };
+ char vendor[13+4] = { 0 };
int ret;
oil_fault_check_enable ();
--
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