diff options
Diffstat (limited to 'sysdeps/x86')
| -rw-r--r-- | sysdeps/x86/Makefile | 4 | ||||
| -rw-r--r-- | sysdeps/x86/cacheinfo.c | 16 |
2 files changed, 4 insertions, 16 deletions
diff --git a/sysdeps/x86/Makefile b/sysdeps/x86/Makefile index beab426f67..a6736aef25 100644 --- a/sysdeps/x86/Makefile +++ b/sysdeps/x86/Makefile @@ -14,6 +14,10 @@ gen-as-const-headers += jmp_buf-ssp.sym sysdep_routines += __longjmp_cancel endif +ifeq ($(subdir),string) +sysdep_routines += cacheinfo +endif + ifneq ($(enable-cet),no) ifeq ($(subdir),elf) sysdep-dl-routines += dl-cet diff --git a/sysdeps/x86/cacheinfo.c b/sysdeps/x86/cacheinfo.c index 136809a6d8..5366a37ea0 100644 --- a/sysdeps/x86/cacheinfo.c +++ b/sysdeps/x86/cacheinfo.c @@ -536,11 +536,6 @@ long int __x86_rep_movsb_threshold attribute_hidden = 2048; /* Threshold to use Enhanced REP STOSB. */ long int __x86_rep_stosb_threshold attribute_hidden = 2048; -#ifndef DISABLE_PREFETCHW -/* PREFETCHW support flag for use in memory and string routines. */ -int __x86_prefetchw attribute_hidden; -#endif - static void get_common_cache_info (long int *shared_ptr, unsigned int *threads_ptr, @@ -831,17 +826,6 @@ init_cacheinfo (void) /* Account for exclusive L2 and L3 caches. */ shared += core; } - -#ifndef DISABLE_PREFETCHW - if (max_cpuid_ex >= 0x80000001) - { - unsigned int eax; - __cpuid (0x80000001, eax, ebx, ecx, edx); - /* PREFETCHW || 3DNow! */ - if ((ecx & 0x100) || (edx & 0x80000000)) - __x86_prefetchw = -1; - } -#endif } if (cpu_features->data_cache_size != 0) |