about summary refs log tree commit diff
path: root/sysdeps/aarch64
diff options
context:
space:
mode:
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/aarch64
parentf1f00c072138af90ae6da180f260111f09afe7a3 (diff)
downloadglibc-e11ed9d2b4558eeacff81557dc9557001af42a6b.tar.gz
glibc-e11ed9d2b4558eeacff81557dc9557001af42a6b.tar.xz
glibc-e11ed9d2b4558eeacff81557dc9557001af42a6b.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>
Diffstat (limited to 'sysdeps/aarch64')
-rw-r--r--sysdeps/aarch64/multiarch/memcpy.c3
-rw-r--r--sysdeps/aarch64/multiarch/memmove.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/aarch64/multiarch/memcpy.c b/sysdeps/aarch64/multiarch/memcpy.c
index 7cf5f033e8..799d60c98c 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 ad10aa8ac6..46a4cb3a54 100644
--- a/sysdeps/aarch64/multiarch/memmove.c
+++ b/sysdeps/aarch64/multiarch/memmove.c
@@ -41,7 +41,8 @@ libc_ifunc (__libc_memmove,
 		? __memmove_falkor
 		: (IS_THUNDERX2 (midr) || IS_THUNDERX2PA (midr)
 		  ? __memmove_thunderx2
-		  : (IS_NEOVERSE_N1 (midr)
+		  : (IS_NEOVERSE_N1 (midr) || IS_NEOVERSE_N2 (midr)
+		     || IS_NEOVERSE_V1 (midr)
 		     ? __memmove_simd
 		     : __memmove_generic)))));