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From: Andreas K. Huttel <dilfridge@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/release/2.39/master] i386: Use generic memrchr in libc (bug 31316) Date: Sat, 6 Apr 2024 22:42:08 +0000 (GMT) [thread overview] Message-ID: <20240406224208.4957E3858D34@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=31c7d69af59da0da80caa74b2ec6ae149013384d commit 31c7d69af59da0da80caa74b2ec6ae149013384d 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> (cherry picked from commit 0d9166c2245cad4ac520b337dee40c9a583872b6) 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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