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authorH.J. Lu <hjl.tools@gmail.com>2017-03-17 11:38:13 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-03-17 11:38:13 -0700
commitb170d2e7ab998180abbd24fdd6c03ecb4293d000 (patch)
treec0a40c921b23042f341f08a5c9397e7f18a5b0af
parent20409ce5e806c7d2fba103d6b88b5a0c2f2fbf5a (diff)
Use CPU_FEATURES_CPU_P to check if AVX is available
Don't use bit_cpu_AVX directly. * sysdeps/x86/cpu-features.c (init_cpu_features): Check AVX with CPU_FEATURES_CPU_P.
-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/x86/cpu-features.c3
2 files changed, 6 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index 9fd5ebc564..4bafcd183c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2017-03-17 H.J. Lu <hongjiu.lu@intel.com>
+
+ * sysdeps/x86/cpu-features.c (init_cpu_features): Check AVX with
+ CPU_FEATURES_CPU_P.
+
2017-03-17 Joseph Myers <joseph@codesourcery.com>
[BZ #21259]
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
index 4e8f179000..33788ed323 100644
--- a/sysdeps/x86/cpu-features.c
+++ b/sysdeps/x86/cpu-features.c
@@ -126,7 +126,6 @@ init_cpu_features (struct cpu_features *cpu_features)
if (family == 0x06)
{
- ecx = cpu_features->cpuid[COMMON_CPUID_INDEX_1].ecx;
model += extended_model;
switch (model)
{
@@ -176,7 +175,7 @@ init_cpu_features (struct cpu_features *cpu_features)
default:
/* Unknown family 0x06 processors. Assuming this is one
of Core i3/i5/i7 processors if AVX is available. */
- if ((ecx & bit_cpu_AVX) == 0)
+ if (!CPU_FEATURES_CPU_P (cpu_features, AVX))
break;
case 0x1a: