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875 B

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/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: