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authorH.J. Lu <hjl.tools@gmail.com>2016-04-15 05:22:53 -0700
committerH.J. Lu <hjl.tools@gmail.com>2016-04-15 05:23:06 -0700
commit2e2d9796daba2776e661c5a9e570370b6bcb5aec (patch)
treee494c90981346fc1008a34f76a0743e6289eae20 /sysdeps/x86
parent155bc2a502b8a455952dec4c7ae72b64eb41d8d1 (diff)
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Detect Intel Goldmont and Airmont processors
Updated from the model numbers of Goldmont and Airmont processors in
Intel64 And IA-32 Processor Architectures Software Developer's Manual
Volume 3 Revision 058.

	* sysdeps/x86/cpu-features.c (init_cpu_features): Detect Intel
	Goldmont and Airmont processors.
Diffstat (limited to 'sysdeps/x86')
-rw-r--r--sysdeps/x86/cpu-features.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
index 963b845916..a5fa81f709 100644
--- a/sysdeps/x86/cpu-features.c
+++ b/sysdeps/x86/cpu-features.c
@@ -140,6 +140,14 @@ init_cpu_features (struct cpu_features *cpu_features)
 	      cpu_features->feature[index_arch_Prefer_No_VZEROUPPER]
 		|= bit_arch_Prefer_No_VZEROUPPER;
 
+	    case 0x5c:
+	    case 0x5f:
+	      /* Unaligned load versions are faster than SSSE3
+		 on Goldmont.  */
+
+	    case 0x4c:
+	      /* Airmont is a die shrink of Silvermont.  */
+
 	    case 0x37:
 	    case 0x4a:
 	    case 0x4d: