diff options
| author | Naohiro Tamura <naohirot@fujitsu.com> | 2021-09-24 07:49:59 +0000 |
|---|---|---|
| committer | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2021-09-24 13:26:59 +0100 |
| commit | 381b29616abb82babc8163bdf516c6da87544b35 (patch) | |
| tree | 5c00a9e5f2cdc8630138bcf98544d8d88ee59d9b | |
| parent | 2efca218b56b0ef32289ad448c05b8f482a2e759 (diff) | |
| download | glibc-381b29616abb82babc8163bdf516c6da87544b35.tar.gz | |
aarch64: Disable A64FX memcpy/memmove BTI unconditionally
This patch disables A64FX memcpy/memmove BTI instruction insertion
unconditionally such as A64FX memset patch [1] for performance.
[1] commit 07b427296b8d59f439144029d9a948f6c1ce0a31
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
| -rw-r--r-- | sysdeps/aarch64/multiarch/memcpy_a64fx.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/aarch64/multiarch/memcpy_a64fx.S b/sysdeps/aarch64/multiarch/memcpy_a64fx.S index 65528405bb..ae7464e09f 100644 --- a/sysdeps/aarch64/multiarch/memcpy_a64fx.S +++ b/sysdeps/aarch64/multiarch/memcpy_a64fx.S @@ -19,6 +19,9 @@ #include <sysdep.h> +#undef BTI_C +#define BTI_C + /* Assumptions: * * ARMv8.2-a, AArch64, unaligned accesses, sve |