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From: "viriketo at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sources.redhat.com
Subject: [Bug libc/12123] SIGBUS on strstr_sse42 due to bad alignment
Date: Wed, 27 Oct 2010 12:38:00 -0000 [thread overview]
Message-ID: <20101027123800.0qCcZ4pgs72n5ikw6-2SFhxzWBq2U_KoqJA70px3O1M@z> (raw)
In-Reply-To: <bug-12123-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=12123
--- Comment #16 from Lluís Batlle <viriketo at gmail dot com> 2010-10-27 12:37:47 UTC ---
(In reply to comment #15)
> strstr.os was compiled with -mpreferred-stack-boundary=2 which implies
> -mincoming-stack-boundary=2, so it is a compiler bug if it assumes bigger
> alignment.
So you think that, if the user asked "-mpreferred-stack-boundary=2", but the
function body has SSE vectors (that have to be 4w aligned), gcc should decide
to align them properly to 4w instead of blindly setting a 2w stack alignment,
right?
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next prev parent reply other threads:[~2010-10-27 12:38 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-14 20:42 [Bug libc/12123] New: " viriketo at gmail dot com
2010-10-14 20:43 ` [Bug libc/12123] " viriketo at gmail dot com
2010-10-26 3:02 ` drepper.fsp at gmail dot com
2010-10-26 6:46 ` hjl.tools at gmail dot com
2010-10-26 7:23 ` viriketo at gmail dot com
2010-10-26 7:39 ` hjl.tools at gmail dot com
2010-10-26 7:51 ` viriketo at gmail dot com
2010-10-26 7:52 ` viriketo at gmail dot com
2010-10-26 15:12 ` schwab@linux-m68k.org
2010-10-26 16:17 ` viriketo at gmail dot com
2010-10-26 16:31 ` viriketo at gmail dot com
2010-10-26 16:49 ` viriketo at gmail dot com
2010-10-26 17:22 ` hjl.tools at gmail dot com
2010-10-26 17:24 ` viriketo at gmail dot com
2010-10-26 17:37 ` jakub at redhat dot com
2010-10-26 17:53 ` viriketo at gmail dot com
2010-10-27 8:25 ` schwab@linux-m68k.org
2010-10-27 12:38 ` viriketo at gmail dot com [this message]
2010-10-28 15:42 ` throctukes at gmail dot com
2010-10-28 19:29 ` viriketo at gmail dot com
2010-10-28 19:32 ` hjl.tools at gmail dot com
2010-10-28 20:10 ` viriketo at gmail dot com
2010-10-29 15:43 ` throctukes at gmail dot com
2010-11-01 18:42 ` drepper.fsp at gmail dot com
2010-11-01 18:51 ` viriketo at gmail dot com
2014-06-30 7:49 ` fweimer at redhat dot com
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