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GNU C Library master sources branch master updated. glibc-2.22-606-gc9afcaa
- From: hjl at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 15 Dec 2015 19:48:41 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.22-606-gc9afcaa
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=c9afcaaafaf9126a973883528eed8d0058a264c0
commit c9afcaaafaf9126a973883528eed8d0058a264c0
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Dec 15 11:46:54 2015 -0800
Enable Silvermont optimizations for Knights Landing
Knights Landing processor is based on Silvermont. This patch enables
Silvermont optimizations for Knights Landing.
* sysdeps/x86/cpu-features.c (init_cpu_features): Enable
Silvermont optimizations for Knights Landing.
diff --git a/ChangeLog b/ChangeLog
index 7995a58..5bff90f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-12-15 H.J. Lu <hongjiu.lu@intel.com>
+
+ * sysdeps/x86/cpu-features.c (init_cpu_features): Enable
+ Silvermont optimizations for Knights Landing.
+
2015-12-15 Andreas Schwab <schwab@suse.de>
[BZ #17197]
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
index fba3ef0..aff894c 100644
--- a/sysdeps/x86/cpu-features.c
+++ b/sysdeps/x86/cpu-features.c
@@ -78,6 +78,9 @@ init_cpu_features (struct cpu_features *cpu_features)
cpu_features->feature[index_Slow_BSF] |= bit_Slow_BSF;
break;
+ case 0x57:
+ /* Knights Landing. Enable Silvermont optimizations. */
+
case 0x37:
case 0x4a:
case 0x4d:
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
sysdeps/x86/cpu-features.c | 3 +++
2 files changed, 8 insertions(+), 0 deletions(-)
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