diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/init-arch.c')
| -rw-r--r-- | sysdeps/x86_64/multiarch/init-arch.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sysdeps/x86_64/multiarch/init-arch.c b/sysdeps/x86_64/multiarch/init-arch.c index 809d105c77..81b2378467 100644 --- a/sysdeps/x86_64/multiarch/init-arch.c +++ b/sysdeps/x86_64/multiarch/init-arch.c @@ -97,13 +97,18 @@ __init_cpu_features (void) case 0x2c: case 0x2e: case 0x2f: - /* Rep string instructions and copy backward are fast on - Intel Core i3, i5 and i7. */ + /* Rep string instructions, copy backward and unaligned loads + 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 __cpu_features.feature[index_Fast_Rep_String] - |= bit_Fast_Rep_String | bit_Fast_Copy_Backward; + |= (bit_Fast_Rep_String + | bit_Fast_Copy_Backward + | bit_Fast_Unaligned_Load); break; } } |