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.

diff --git a/ChangeLog b/ChangeLog
index 9fd5ebc564a4260b258e0c3641c5ca320c1249de..4bafcd183c25140c1126b44f49710487df7df130 100644 (file)
--- 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 4e8f1790003b9f188e0af819c2c97d453f168df5..33788ed32373bb26074382a76eaa78087667678f 100644 (file)
--- 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: