glibc/SOURCES/glibc-upstream-2.34-67.patch
2022-05-17 15:48:09 +00:00

51 lines
1.7 KiB
Diff

commit 217b84127b3a6590afcc7e198e6c3f665935e8f4
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Thu Jan 6 14:36:28 2022 +0000
AArch64: Check for SVE in ifuncs [BZ #28744]
Add a check for SVE in the A64FX ifuncs for memcpy, memset and memmove.
This fixes BZ #28744.
(cherry picked from commit e5fa62b8db546f8792ec9e5c61e6419f4f8e3f4d)
diff --git a/sysdeps/aarch64/multiarch/memcpy.c b/sysdeps/aarch64/multiarch/memcpy.c
index 25e0081eeb51727c..b6703af44b3f1a3d 100644
--- a/sysdeps/aarch64/multiarch/memcpy.c
+++ b/sysdeps/aarch64/multiarch/memcpy.c
@@ -48,7 +48,7 @@ libc_ifunc (__libc_memcpy,
|| IS_NEOVERSE_V1 (midr)
? __memcpy_simd
# if HAVE_AARCH64_SVE_ASM
- : (IS_A64FX (midr)
+ : (IS_A64FX (midr) && sve
? __memcpy_a64fx
: __memcpy_generic))))));
# else
diff --git a/sysdeps/aarch64/multiarch/memmove.c b/sysdeps/aarch64/multiarch/memmove.c
index d0adefc547f60030..d2339ff34ff7b3e5 100644
--- a/sysdeps/aarch64/multiarch/memmove.c
+++ b/sysdeps/aarch64/multiarch/memmove.c
@@ -48,7 +48,7 @@ libc_ifunc (__libc_memmove,
|| IS_NEOVERSE_V1 (midr)
? __memmove_simd
# if HAVE_AARCH64_SVE_ASM
- : (IS_A64FX (midr)
+ : (IS_A64FX (midr) && sve
? __memmove_a64fx
: __memmove_generic))))));
# else
diff --git a/sysdeps/aarch64/multiarch/memset.c b/sysdeps/aarch64/multiarch/memset.c
index d7d9bbbda095e051..3d839bc02e96380d 100644
--- a/sysdeps/aarch64/multiarch/memset.c
+++ b/sysdeps/aarch64/multiarch/memset.c
@@ -44,7 +44,7 @@ libc_ifunc (__libc_memset,
: (IS_EMAG (midr) && zva_size == 64
? __memset_emag
# if HAVE_AARCH64_SVE_ASM
- : (IS_A64FX (midr)
+ : (IS_A64FX (midr) && sve
? __memset_a64fx
: __memset_generic))));
# else