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authorWilco Dijkstra <wdijkstr@arm.com>2020-10-14 13:56:21 +0100
committerWilco Dijkstra <wdijkstr@arm.com>2020-10-14 14:27:50 +0100
commite11ed9d2b4558eeacff81557dc9557001af42a6b (patch)
treec7adb040894f0c0403170aecebcdfdceee4b20d9 /sysdeps/unix/sysv/linux
parentf1f00c072138af90ae6da180f260111f09afe7a3 (diff)
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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>
Diffstat (limited to 'sysdeps/unix/sysv/linux')
-rw-r--r--sysdeps/unix/sysv/linux/aarch64/cpu-features.h4
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 fc68845..00a4d0c 100644
--- a/sysdeps/unix/sysv/linux/aarch64/cpu-features.h
+++ b/sysdeps/unix/sysv/linux/aarch64/cpu-features.h
@@ -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)