diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/init-arch.c')
| -rw-r--r-- | sysdeps/x86_64/multiarch/init-arch.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sysdeps/x86_64/multiarch/init-arch.c b/sysdeps/x86_64/multiarch/init-arch.c index 81b2378467..0a145ca259 100644 --- a/sysdeps/x86_64/multiarch/init-arch.c +++ b/sysdeps/x86_64/multiarch/init-arch.c @@ -97,18 +97,22 @@ __init_cpu_features (void) case 0x2c: case 0x2e: case 0x2f: - /* Rep string instructions, copy backward and unaligned loads - are fast on Intel Core i3, i5 and i7. */ + /* Rep string instructions, copy backward, unaligned loads + and pminub are fast on Intel Core i3, i5 and i7. */ #if index_Fast_Rep_String != index_Fast_Copy_Backward # error index_Fast_Rep_String != index_Fast_Copy_Backward #endif #if index_Fast_Rep_String != index_Fast_Unaligned_Load # error index_Fast_Rep_String != index_Fast_Unaligned_Load #endif +#if index_Fast_Rep_String != index_Prefer_PMINUB_for_stringop +# error index_Fast_Rep_String != index_Prefer_PMINUB_for_stringop +#endif __cpu_features.feature[index_Fast_Rep_String] |= (bit_Fast_Rep_String | bit_Fast_Copy_Backward - | bit_Fast_Unaligned_Load); + | bit_Fast_Unaligned_Load + | bit_Prefer_PMINUB_for_stringop); break; } } |