1 files changed, 10 insertions, 4 deletions
diff --git a/sysdeps/x86/cacheinfo.h b/sysdeps/x86/cacheinfo.h
index 4f91a1e98d..65132a9d19 100644
--- a/sysdeps/x86/cacheinfo.h
+++ b/sysdeps/x86/cacheinfo.h
@@ -61,14 +61,20 @@ init_cacheinfo (void)
   long int data = cpu_features->data_cache_size;
   /* Round data cache size to multiple of 256 bytes.  */
   data = data & ~255L;
-  __x86_data_cache_size_half = data / 2;
-  __x86_data_cache_size = data;
+  if (data > 0)
+    {
+      __x86_data_cache_size_half = data / 2;
+      __x86_data_cache_size = data;
+    }
 
   long int shared = cpu_features->shared_cache_size;
   /* Round shared cache size to multiple of 256 bytes.  */
   shared = shared & ~255L;
-  __x86_shared_cache_size_half = shared / 2;
-  __x86_shared_cache_size = shared;
+  if (shared > 0)
+    {
+      __x86_shared_cache_size_half = shared / 2;
+      __x86_shared_cache_size = shared;
+    }
 
   __x86_shared_non_temporal_threshold
     = cpu_features->non_temporal_threshold;