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* [PATCH] i386: Use generic memrchr in libc (bug 31316)
@ 2024-02-15 14:49 Florian Weimer
  2024-02-15 15:08 ` Andreas Schwab
  0 siblings, 1 reply; 4+ messages in thread
From: Florian Weimer @ 2024-02-15 14:49 UTC (permalink / raw)
  To: libc-alpha; +Cc: Sam James

Before this change, we incorrectly use the SSE2 variant is the
implementation, without checking that the system actually supports
SSE2.

Tested-by: Sam James <sam@gentoo.org>

---
 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

base-commit: 491e55beab7457ed310a4a47496f4a333c5d1032


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] i386: Use generic memrchr in libc (bug 31316)
  2024-02-15 14:49 [PATCH] i386: Use generic memrchr in libc (bug 31316) Florian Weimer
@ 2024-02-15 15:08 ` Andreas Schwab
  2024-02-15 15:17   ` Florian Weimer
  0 siblings, 1 reply; 4+ messages in thread
From: Andreas Schwab @ 2024-02-15 15:08 UTC (permalink / raw)
  To: Florian Weimer; +Cc: libc-alpha, Sam James

On Feb 15 2024, Florian Weimer wrote:

> Before this change, we incorrectly use the SSE2 variant is the

s/ is / in /

> implementation, without checking that the system actually supports
> SSE2.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] i386: Use generic memrchr in libc (bug 31316)
  2024-02-15 15:08 ` Andreas Schwab
@ 2024-02-15 15:17   ` Florian Weimer
  2024-02-15 15:41     ` H.J. Lu
  0 siblings, 1 reply; 4+ messages in thread
From: Florian Weimer @ 2024-02-15 15:17 UTC (permalink / raw)
  To: Andreas Schwab; +Cc: libc-alpha, Sam James

* Andreas Schwab:

> On Feb 15 2024, Florian Weimer wrote:
>
>> Before this change, we incorrectly use the SSE2 variant is the
>
> s/ is / in /
>
>> implementation, without checking that the system actually supports
>> SSE2.

Thanks, fixed locally.  Okay to push with that change?

Florian


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] i386: Use generic memrchr in libc (bug 31316)
  2024-02-15 15:17   ` Florian Weimer
@ 2024-02-15 15:41     ` H.J. Lu
  0 siblings, 0 replies; 4+ messages in thread
From: H.J. Lu @ 2024-02-15 15:41 UTC (permalink / raw)
  To: Florian Weimer; +Cc: Andreas Schwab, libc-alpha, Sam James

On Thu, Feb 15, 2024 at 7:18 AM Florian Weimer <fweimer@redhat.com> wrote:
>
> * Andreas Schwab:
>
> > On Feb 15 2024, Florian Weimer wrote:
> >
> >> Before this change, we incorrectly use the SSE2 variant is the
> >
> > s/ is / in /
> >
> >> implementation, without checking that the system actually supports
> >> SSE2.
>
> Thanks, fixed locally.  Okay to push with that change?
>
> Florian
>

Yes.

Thanks.

-- 
H.J.

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2024-02-15 15:41 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2024-02-15 14:49 [PATCH] i386: Use generic memrchr in libc (bug 31316) Florian Weimer
2024-02-15 15:08 ` Andreas Schwab
2024-02-15 15:17   ` Florian Weimer
2024-02-15 15:41     ` H.J. Lu

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