diff options
Diffstat (limited to 'sysdeps/x86/cpu-features.c')
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index 706a172ba9..645bba6314 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -555,6 +555,11 @@ init_cpu_features (struct cpu_features *cpu_features) cpu_features->preferred[index_arch_Prefer_AVX2_STRCMP] |= bit_arch_Prefer_AVX2_STRCMP; } + + /* Avoid avoid short distance REP MOVSB on processor with FSRM. */ + if (CPU_FEATURES_CPU_P (cpu_features, FSRM)) + cpu_features->preferred[index_arch_Avoid_Short_Distance_REP_MOVSB] + |= bit_arch_Avoid_Short_Distance_REP_MOVSB; } /* This spells out "AuthenticAMD" or "HygonGenuine". */ else if ((ebx == 0x68747541 && ecx == 0x444d4163 && edx == 0x69746e65) |