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* [glibc] i386: Use generic memrchr in libc (bug 31316)
@ 2024-02-16 6:41 Florian Weimer
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From: Florian Weimer @ 2024-02-16 6:41 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d9166c2245cad4ac520b337dee40c9a583872b6
commit 0d9166c2245cad4ac520b337dee40c9a583872b6
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Feb 16 07:40:37 2024 +0100
i386: Use generic memrchr in libc (bug 31316)
Before this change, we incorrectly used the SSE2 variant in the
implementation, without checking that the system actually supports
SSE2.
Tested-by: Sam James <sam@gentoo.org>
Diff:
---
sysdeps/i386/i686/multiarch/memrchr-c.c | 1 +
sysdeps/i386/i686/multiarch/memrchr-sse2.S | 1 -
2 files changed, 1 insertion(+), 1 deletion(-)
diff --git a/sysdeps/i386/i686/multiarch/memrchr-c.c b/sysdeps/i386/i686/multiarch/memrchr-c.c
index ef7bbbe792..20bfdf3af3 100644
--- a/sysdeps/i386/i686/multiarch/memrchr-c.c
+++ b/sysdeps/i386/i686/multiarch/memrchr-c.c
@@ -5,3 +5,4 @@ extern void *__memrchr_ia32 (const void *, int, size_t);
#endif
#include "string/memrchr.c"
+strong_alias (__memrchr_ia32, __GI___memrchr)
diff --git a/sysdeps/i386/i686/multiarch/memrchr-sse2.S b/sysdeps/i386/i686/multiarch/memrchr-sse2.S
index d9dae04171..e123f87435 100644
--- a/sysdeps/i386/i686/multiarch/memrchr-sse2.S
+++ b/sysdeps/i386/i686/multiarch/memrchr-sse2.S
@@ -720,5 +720,4 @@ L(ret_null):
ret
END (__memrchr_sse2)
-strong_alias (__memrchr_sse2, __GI___memrchr)
#endif
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2024-02-16 6:41 [glibc] i386: Use generic memrchr in libc (bug 31316) Florian Weimer
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