From: Richard Henderson <rth@redhat.com>
To: Richard Earnshaw <rearnsha@arm.com>
Cc: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>,
Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>
Subject: Re: [cxx-mem-model 2/2] arm: Install __sync libfuncs for Linux.
Date: Thu, 24 Nov 2011 20:33:00 -0000 [thread overview]
Message-ID: <4ECE7A38.7070000@redhat.com> (raw)
In-Reply-To: <4ECE1723.10609@arm.com>
On 11/24/2011 02:06 AM, Richard Earnshaw wrote:
>>> >> + /* For Linux, we have access to kernel support for atomic operations. */
>>> >> + if (arm_abi == ARM_ABI_AAPCS_LINUX)
>>> >> + init_sync_libfuncs (8);
>>> >> +
>>> >> /* There are no special library functions unless we are using the
>>> >> ARM BPABI. */
>>> >> if (!TARGET_BPABI)
>> >
>> >
>
> What's the '8' for? If it's the size of an object, then shouldn't this
> really be something like GET_MODE_SIZE (DImode)?
Yes it's an object size.
r~
prev parent reply other threads:[~2011-11-24 17:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-03 23:27 [cxx-mem-model 0/2] Support the legacy __sync libcalls Richard Henderson
2011-11-03 23:31 ` [cxx-mem-model 1/2] Allow libcalls to be installed for legacy __sync optabs Richard Henderson
2011-11-03 23:37 ` [cxx-mem-model 2/2] arm: Install __sync libfuncs for Linux Richard Henderson
2011-11-24 1:10 ` Richard Henderson
2011-11-24 10:43 ` Richard Earnshaw
2011-11-24 20:33 ` Richard Henderson [this message]
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