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authorWilco Dijkstra <wilco.dijkstra@arm.com>2023-10-17 16:54:21 +0100
committerWilco Dijkstra <wilco.dijkstra@arm.com>2023-10-24 13:37:48 +0100
commit2bd00179885928fd95fcabfafc50e7b5c6e660d2 (patch)
tree0eb3165f11ebd3f4aacfbeabf06c1e4ed684d000 /sysdeps/unix
parent2f1c6652d7b339526cfebc87c64c6f130cabc9ba (diff)
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AArch64: Add support for MOPS memcpy/memmove/memset
Add support for MOPS in cpu_features and INIT_ARCH. Add ifuncs using MOPS for memcpy, memmove and memset (use .inst for now so it works with all binutils versions without needing complex configure and conditional compilation). Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/aarch64/cpu-features.c3
-rw-r--r--sysdeps/unix/sysv/linux/aarch64/cpu-features.h1
2 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/aarch64/cpu-features.c b/sysdeps/unix/sysv/linux/aarch64/cpu-features.c
index dc09c1c827..233d5b2407 100644
--- a/sysdeps/unix/sysv/linux/aarch64/cpu-features.c
+++ b/sysdeps/unix/sysv/linux/aarch64/cpu-features.c
@@ -120,4 +120,7 @@ init_cpu_features (struct cpu_features *cpu_features)
/* Check if SVE is supported. */
cpu_features->sve = GLRO (dl_hwcap) & HWCAP_SVE;
+
+ /* Check if MOPS is supported. */
+ cpu_features->mops = GLRO (dl_hwcap2) & HWCAP2_MOPS;
}
diff --git a/sysdeps/unix/sysv/linux/aarch64/cpu-features.h b/sysdeps/unix/sysv/linux/aarch64/cpu-features.h
index d67d286b53..40b709677d 100644
--- a/sysdeps/unix/sysv/linux/aarch64/cpu-features.h
+++ b/sysdeps/unix/sysv/linux/aarch64/cpu-features.h
@@ -76,6 +76,7 @@ struct cpu_features
/* Currently, the GLIBC memory tagging tunable only defines 8 bits. */
uint8_t mte_state;
bool sve;
+ bool mops;
};
#endif /* _CPU_FEATURES_AARCH64_H */