From 2e2d9796daba2776e661c5a9e570370b6bcb5aec Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Fri, 15 Apr 2016 05:22:53 -0700 Subject: 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. --- ChangeLog | 5 +++++ sysdeps/x86/cpu-features.c | 8 ++++++++ 2 files changed, 13 insertions(+) diff --git a/ChangeLog b/ChangeLog index 44deb0fd26..0b0b5e2202 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2016-04-15 H.J. Lu + + * sysdeps/x86/cpu-features.c (init_cpu_features): Detect Intel + Goldmont and Airmont processors. + 2016-04-15 Wilco Dijkstra * string/string.h: Use __GNUC_PREREQ(3,4) for bits/string2.h. 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: -- cgit 1.4.1