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| author | Wilco Dijkstra <wdijkstr@arm.com> | 2020-10-14 13:56:21 +0100 |
|---|---|---|
| committer | Wilco Dijkstra <wdijkstr@arm.com> | 2020-10-14 17:29:12 +0100 |
| commit | e5dac996b9c5541d5c677565d4102566734202c4 (patch) | |
| tree | 28a9b148204f6a825cd4047e87a1aa8a97452883 /sysdeps/unix/sysv/linux | |
| parent | 98979f62b88dc781e99db84744646f298fcea62f (diff) | |
| download | glibc-e5dac996b9c5541d5c677565d4102566734202c4.tar.gz glibc-e5dac996b9c5541d5c677565d4102566734202c4.tar.xz glibc-e5dac996b9c5541d5c677565d4102566734202c4.zip | |
AArch64: Use __memcpy_simd on Neoverse N2/V1
Add CPU detection of Neoverse N2 and Neoverse V1, and select __memcpy_simd as the memcpy/memmove ifunc. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> (cherry picked from commit e11ed9d2b4558eeacff81557dc9557001af42a6b)
Diffstat (limited to 'sysdeps/unix/sysv/linux')
| -rw-r--r-- | sysdeps/unix/sysv/linux/aarch64/cpu-features.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/aarch64/cpu-features.h b/sysdeps/unix/sysv/linux/aarch64/cpu-features.h index c52ed7fc12..fbe1148652 100644 --- a/sysdeps/unix/sysv/linux/aarch64/cpu-features.h +++ b/sysdeps/unix/sysv/linux/aarch64/cpu-features.h @@ -53,6 +53,10 @@ && MIDR_PARTNUM(midr) == 0x000) #define IS_NEOVERSE_N1(midr) (MIDR_IMPLEMENTOR(midr) == 'A' \ && MIDR_PARTNUM(midr) == 0xd0c) +#define IS_NEOVERSE_N2(midr) (MIDR_IMPLEMENTOR(midr) == 'A' \ + && MIDR_PARTNUM(midr) == 0xd49) +#define IS_NEOVERSE_V1(midr) (MIDR_IMPLEMENTOR(midr) == 'A' \ + && MIDR_PARTNUM(midr) == 0xd40) struct cpu_features { |