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AArch64: Use __memcpy_simd on Neoverse N2/V1

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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>
This commit is contained in:
Wilco Dijkstra
2020-10-14 13:56:21 +01:00
parent f1f00c0721
commit e11ed9d2b4
3 changed files with 8 additions and 2 deletions
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4
sysdeps/unix/sysv/linux/aarch64/cpu-features.h
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@ -54,6 +54,10 @@
&& 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)
#define IS_EMAG(midr) (MIDR_IMPLEMENTOR(midr) == 'P' \
&& MIDR_PARTNUM(midr) == 0x000)