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commit c9afcaaafaf9126a973883528eed8d0058a264c0
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Author: H.J. Lu <hjl.tools@gmail.com>
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Date: Tue Dec 15 11:46:54 2015 -0800
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Enable Silvermont optimizations for Knights Landing
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Knights Landing processor is based on Silvermont. This patch enables
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Silvermont optimizations for Knights Landing.
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* sysdeps/x86/cpu-features.c (init_cpu_features): Enable
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Silvermont optimizations for Knights Landing.
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diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
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index fba3ef0..aff894c 100644
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--- a/sysdeps/x86/cpu-features.c
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+++ b/sysdeps/x86/cpu-features.c
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@@ -78,6 +78,9 @@ init_cpu_features (struct cpu_features *cpu_features)
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cpu_features->feature[index_Slow_BSF] |= bit_Slow_BSF;
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break;
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+ case 0x57:
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+ /* Knights Landing. Enable Silvermont optimizations. */
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+
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case 0x37:
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case 0x4a:
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case 0x4d:
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