diff options
Diffstat (limited to 'sysdeps/x86/cacheinfo.c')
| -rw-r--r-- | sysdeps/x86/cacheinfo.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sysdeps/x86/cacheinfo.c b/sysdeps/x86/cacheinfo.c index 8000fd1e99..9542dfba80 100644 --- a/sysdeps/x86/cacheinfo.c +++ b/sysdeps/x86/cacheinfo.c @@ -752,6 +752,9 @@ intel_bug_no_cache_info: #endif } + if (cpu_features->data_cache_size != 0) + data = cpu_features->data_cache_size; + if (data > 0) { __x86_raw_data_cache_size_half = data / 2; @@ -762,6 +765,9 @@ intel_bug_no_cache_info: __x86_data_cache_size = data; } + if (cpu_features->shared_cache_size != 0) + shared = cpu_features->shared_cache_size; + if (shared > 0) { __x86_raw_shared_cache_size_half = shared / 2; @@ -777,7 +783,9 @@ intel_bug_no_cache_info: store becomes faster on a 8-core processor. This is the 3/4 of the total shared cache size. */ __x86_shared_non_temporal_threshold - = __x86_shared_cache_size * threads * 3 / 4; + = (cpu_features->non_temporal_threshold != 0 + ? cpu_features->non_temporal_threshold + : __x86_shared_cache_size * threads * 3 / 4); } #endif |