From 98979f62b88dc781e99db84744646f298fcea62f Mon Sep 17 00:00:00 2001 From: Wilco Dijkstra Date: Wed, 15 Jul 2020 16:58:07 +0100 Subject: AArch64: Rename IS_ARES to IS_NEOVERSE_N1 Rename IS_ARES to IS_NEOVERSE_N1 since that is a bit clearer. Reviewed-by: Carlos O'Donell (cherry picked from commit 0f6278a8793a5d04ea31878119eccf99f469a02d) --- sysdeps/unix/sysv/linux/aarch64/cpu-features.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'sysdeps/unix/sysv/linux') diff --git a/sysdeps/unix/sysv/linux/aarch64/cpu-features.h b/sysdeps/unix/sysv/linux/aarch64/cpu-features.h index 153d258afe..c52ed7fc12 100644 --- a/sysdeps/unix/sysv/linux/aarch64/cpu-features.h +++ b/sysdeps/unix/sysv/linux/aarch64/cpu-features.h @@ -51,8 +51,8 @@ #define IS_PHECDA(midr) (MIDR_IMPLEMENTOR(midr) == 'h' \ && MIDR_PARTNUM(midr) == 0x000) -#define IS_ARES(midr) (MIDR_IMPLEMENTOR(midr) == 'A' \ - && MIDR_PARTNUM(midr) == 0xd0c) +#define IS_NEOVERSE_N1(midr) (MIDR_IMPLEMENTOR(midr) == 'A' \ + && MIDR_PARTNUM(midr) == 0xd0c) struct cpu_features { -- cgit v1.2.3-70-g09d2 From e5dac996b9c5541d5c677565d4102566734202c4 Mon Sep 17 00:00:00 2001 From: Wilco Dijkstra Date: Wed, 14 Oct 2020 13:56:21 +0100 Subject: 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 (cherry picked from commit e11ed9d2b4558eeacff81557dc9557001af42a6b) --- sysdeps/aarch64/multiarch/memcpy.c | 3 ++- sysdeps/aarch64/multiarch/memmove.c | 3 ++- sysdeps/unix/sysv/linux/aarch64/cpu-features.h | 4 ++++ 3 files changed, 8 insertions(+), 2 deletions(-) (limited to 'sysdeps/unix/sysv/linux') diff --git a/sysdeps/aarch64/multiarch/memcpy.c b/sysdeps/aarch64/multiarch/memcpy.c index 18b5f51543..e69a1ae5af 100644 --- a/sysdeps/aarch64/multiarch/memcpy.c +++ b/sysdeps/aarch64/multiarch/memcpy.c @@ -41,7 +41,8 @@ libc_ifunc (__libc_memcpy, ? __memcpy_falkor : (IS_THUNDERX2 (midr) || IS_THUNDERX2PA (midr) ? __memcpy_thunderx2 - : (IS_NEOVERSE_N1 (midr) + : (IS_NEOVERSE_N1 (midr) || IS_NEOVERSE_N2 (midr) + || IS_NEOVERSE_V1 (midr) ? __memcpy_simd : __memcpy_generic))))); diff --git a/sysdeps/aarch64/multiarch/memmove.c b/sysdeps/aarch64/multiarch/memmove.c index bc3f2e566d..b426dad834 100644 --- a/sysdeps/aarch64/multiarch/memmove.c +++ b/sysdeps/aarch64/multiarch/memmove.c @@ -38,7 +38,8 @@ libc_ifunc (__libc_memmove, ? __memmove_thunderx : (IS_FALKOR (midr) || IS_PHECDA (midr) ? __memmove_falkor - : (IS_NEOVERSE_N1 (midr) + : (IS_NEOVERSE_N1 (midr) || IS_NEOVERSE_N2 (midr) + || IS_NEOVERSE_V1 (midr) ? __memmove_simd : __memmove_generic)))); 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 { -- cgit v1.2.3-70-g09d2