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commit e5fa62b8db546f8792ec9e5c61e6419f4f8e3f4d
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Author: Wilco Dijkstra <wdijkstr@arm.com>
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Date: Thu Jan 6 14:36:28 2022 +0000
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AArch64: Check for SVE in ifuncs [BZ #28744]
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Add a check for SVE in the A64FX ifuncs for memcpy, memset and memmove.
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This fixes BZ #28744.
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Conflicts:
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sysdeps/aarch64/multiarch/memcpy.c
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sysdeps/aarch64/multiarch/memmove.c
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sysdeps/aarch64/multiarch/memset.c
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(IFUNC resolver differences in the backport.)
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diff --git a/sysdeps/aarch64/multiarch/memcpy.c b/sysdeps/aarch64/multiarch/memcpy.c
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index e0313c42e82a7b86..a6ebeb06d3bda00f 100644
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--- a/sysdeps/aarch64/multiarch/memcpy.c
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+++ b/sysdeps/aarch64/multiarch/memcpy.c
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@@ -44,7 +44,7 @@ libc_ifunc (__libc_memcpy,
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: (IS_THUNDERX2 (midr) || IS_THUNDERX2PA (midr)
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? __memcpy_thunderx2
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# if HAVE_AARCH64_SVE_ASM
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- : (IS_A64FX (midr)
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+ : (IS_A64FX (midr) && sve
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? __memcpy_a64fx
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: __memcpy_generic)))));
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# else
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diff --git a/sysdeps/aarch64/multiarch/memmove.c b/sysdeps/aarch64/multiarch/memmove.c
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index d96612b9cf7c3a4e..bea72b3eddde54c0 100644
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--- a/sysdeps/aarch64/multiarch/memmove.c
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+++ b/sysdeps/aarch64/multiarch/memmove.c
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@@ -41,7 +41,7 @@ libc_ifunc (__libc_memmove,
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: (IS_FALKOR (midr) || IS_PHECDA (midr)
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? __memmove_falkor
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# if HAVE_AARCH64_SVE_ASM
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- : (IS_A64FX (midr)
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+ : (IS_A64FX (midr) && sve
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? __memmove_a64fx
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: __memmove_generic))));
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# else
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diff --git a/sysdeps/aarch64/multiarch/memset.c b/sysdeps/aarch64/multiarch/memset.c
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index 2c8cc72bb0b18474..e7bd412377533f18 100644
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--- a/sysdeps/aarch64/multiarch/memset.c
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+++ b/sysdeps/aarch64/multiarch/memset.c
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@@ -38,7 +38,7 @@ libc_ifunc (__libc_memset,
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((IS_FALKOR (midr) || IS_PHECDA (midr)) && zva_size == 64
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? __memset_falkor
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# if HAVE_AARCH64_SVE_ASM
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- : (IS_A64FX (midr)
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+ : (IS_A64FX (midr) && sve
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? __memset_a64fx
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: __memset_generic)));
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# else
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