diff options
Diffstat (limited to 'sysdeps/aarch64')
| -rw-r--r-- | sysdeps/aarch64/cpu-features.h | 1 | ||||
| -rw-r--r-- | sysdeps/aarch64/multiarch/init-arch.h | 2 | ||||
| -rw-r--r-- | sysdeps/aarch64/multiarch/memcpy.c | 2 | ||||
| -rw-r--r-- | sysdeps/aarch64/multiarch/memmove.c | 2 |
4 files changed, 5 insertions, 2 deletions
diff --git a/sysdeps/aarch64/cpu-features.h b/sysdeps/aarch64/cpu-features.h index 77a782422a..5f2da91ebb 100644 --- a/sysdeps/aarch64/cpu-features.h +++ b/sysdeps/aarch64/cpu-features.h @@ -71,6 +71,7 @@ struct cpu_features /* Currently, the GLIBC memory tagging tunable only defines 8 bits. */ uint8_t mte_state; bool sve; + bool prefer_sve_ifuncs; bool mops; }; diff --git a/sysdeps/aarch64/multiarch/init-arch.h b/sysdeps/aarch64/multiarch/init-arch.h index c52860efb2..61dc40088f 100644 --- a/sysdeps/aarch64/multiarch/init-arch.h +++ b/sysdeps/aarch64/multiarch/init-arch.h @@ -36,5 +36,7 @@ MTE_ENABLED (); \ bool __attribute__((unused)) sve = \ GLRO(dl_aarch64_cpu_features).sve; \ + bool __attribute__((unused)) prefer_sve_ifuncs = \ + GLRO(dl_aarch64_cpu_features).prefer_sve_ifuncs; \ bool __attribute__((unused)) mops = \ GLRO(dl_aarch64_cpu_features).mops; diff --git a/sysdeps/aarch64/multiarch/memcpy.c b/sysdeps/aarch64/multiarch/memcpy.c index d12eccfca5..ce53567dab 100644 --- a/sysdeps/aarch64/multiarch/memcpy.c +++ b/sysdeps/aarch64/multiarch/memcpy.c @@ -47,7 +47,7 @@ select_memcpy_ifunc (void) { if (IS_A64FX (midr)) return __memcpy_a64fx; - return __memcpy_sve; + return prefer_sve_ifuncs ? __memcpy_sve : __memcpy_generic; } if (IS_THUNDERX (midr)) diff --git a/sysdeps/aarch64/multiarch/memmove.c b/sysdeps/aarch64/multiarch/memmove.c index 2081eeb4d4..fe95037be3 100644 --- a/sysdeps/aarch64/multiarch/memmove.c +++ b/sysdeps/aarch64/multiarch/memmove.c @@ -47,7 +47,7 @@ select_memmove_ifunc (void) { if (IS_A64FX (midr)) return __memmove_a64fx; - return __memmove_sve; + return prefer_sve_ifuncs ? __memmove_sve : __memmove_generic; } if (IS_THUNDERX (midr)) |