diff options
| author | H.J. Lu <hjl.tools@gmail.com> | 2015-12-15 11:46:54 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2015-12-15 11:46:54 -0800 |
| commit | c9afcaaafaf9126a973883528eed8d0058a264c0 (patch) | |
| tree | 52df5095ecfc21d3529d5a7be2e2c5cb42b073fc | |
| parent | 42d6443faf5e8b5c70474923bfcc021b77ee0095 (diff) | |
| download | glibc-c9afcaaafaf9126a973883528eed8d0058a264c0.tar.gz glibc-c9afcaaafaf9126a973883528eed8d0058a264c0.tar.xz glibc-c9afcaaafaf9126a973883528eed8d0058a264c0.zip | |
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.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 7995a58067..5bff90f886 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 fba3ef02a7..aff894cc1e 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: |