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Enable Silvermont optimizations for Knights Landing

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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.
This commit is contained in:
H.J. Lu
2015-12-15 11:46:54 -08:00
parent 42d6443faf
commit c9afcaaafa
2 changed files with 8 additions and 0 deletions
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ChangeLog
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@@ -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]

3
sysdeps/x86/cpu-features.c
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@@ -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: