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Detect Intel Goldmont and Airmont processors

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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.
This commit is contained in:
H.J. Lu 2016-04-15 05:22:53 -07:00
parent 155bc2a502
commit 2e2d9796da
2 changed files with 13 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,8 @@
2016-04-15 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86/cpu-features.c (init_cpu_features): Detect Intel
Goldmont and Airmont processors.
2016-04-15 Wilco Dijkstra <wdijkstr@arm.com>
* string/string.h: Use __GNUC_PREREQ(3,4) for bits/string2.h.

8
sysdeps/x86/cpu-features.c
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@ -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: