* [committed, PATCH] Detect Intel Goldmont and Airmont processors
@ 2016-04-15 12:39 H.J. Lu
0 siblings, 0 replies; only message in thread
From: H.J. Lu @ 2016-04-15 12:39 UTC (permalink / raw)
To: GNU C Library
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.
---
sysdeps/x86/cpu-features.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
index 963b845..a5fa81f 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:
--
2.5.5
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2016-04-15 12:39 [committed, PATCH] Detect Intel Goldmont and Airmont processors H.J. Lu
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