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-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/x86/cpu-features.c12
2 files changed, 17 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 51c6fef..3f55c55 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
2015-08-13 H.J. Lu <hongjiu.lu@intel.com>
+ * sysdeps/x86/cpu-features.c (init_cpu_features): Call
+ __get_cpuid_max if not compiling for i586, i686 nor x86-64.
+
+2015-08-13 H.J. Lu <hongjiu.lu@intel.com>
+
* sysdeps/unix/sysv/linux/x86/elision-conf.h: Don't include
<cpuid.h>.
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
index 587080c..582a8f5 100644
--- a/sysdeps/x86/cpu-features.c
+++ b/sysdeps/x86/cpu-features.c
@@ -40,6 +40,14 @@ init_cpu_features (struct cpu_features *cpu_features)
unsigned int model = 0;
enum cpu_features_kind kind;
+#if !defined __i586__ && !defined __i686__ && !defined __x86_64__
+ if (__get_cpuid_max (0, 0) == 0)
+ {
+ kind = arch_kind_other;
+ goto no_cpuid;
+ }
+#endif
+
__cpuid (0, cpu_features->max_cpuid, ebx, ecx, edx);
/* This spells out "GenuineIntel". */
@@ -196,6 +204,10 @@ init_cpu_features (struct cpu_features *cpu_features)
}
}
+#if !defined __i586__ && !defined __i686__ && !defined __x86_64__
+no_cpuid:
+#endif
+
cpu_features->family = family;
cpu_features->model = model;
cpu_features->kind = kind;