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From: "fweimer at redhat dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/56726] i386: MALLOC_ABI_ALIGNMENT is too small (usually)
Date: Mon, 06 Apr 2015 16:28:00 -0000 [thread overview]
Message-ID: <bug-56726-4-QJk79iM6c3@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-56726-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56726
--- Comment #12 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Chip Salzenberg from comment #11)
> Indeed, 16 is required by the ABI; see
> http://www.x86-64.org/documentation/abi.pdf page 12. Only the SIMD __m256
> is bigger than 16, and there seems no end to Intel's extensions to SIMD
> registers, so holding at 16 seems like the Right Thing.
Even for allocations smaller than 16 bytes?
prev parent reply other threads:[~2015-04-06 16:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-25 19:11 [Bug target/56726] New: " chip at pobox dot com
2013-03-25 20:04 ` [Bug target/56726] " hjl.tools at gmail dot com
2013-03-25 21:35 ` chip at pobox dot com
2013-03-25 22:07 ` hjl.tools at gmail dot com
2013-03-25 22:36 ` chip at pobox dot com
2013-03-26 14:27 ` rguenth at gcc dot gnu.org
2013-03-29 6:05 ` chip at pobox dot com
2013-09-05 20:05 ` chip at pobox dot com
2014-06-12 17:11 ` chip at pobox dot com
2015-04-02 11:36 ` fweimer at redhat dot com
2015-04-02 11:53 ` jakub at gcc dot gnu.org
2015-04-02 21:48 ` chip at pobox dot com
2015-04-06 16:28 ` fweimer at redhat dot com [this message]
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