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From: Andrew MacLeod <amacleod@redhat.com>
To: Richard Henderson <rth@redhat.com>,
	gcc-patches <gcc-patches@gcc.gnu.org>
Cc: Jeff Law <law@redhat.com>, Richard Biener <richard.guenther@gmail.com>
Subject: Re: [patch] Provide a can_compare_and_swap_p target hook.
Date: Tue, 04 Nov 2014 17:56:00 -0000	[thread overview]
Message-ID: <54591348.1010904@redhat.com> (raw)
In-Reply-To: <54590C19.40208@redhat.com>

On 11/04/2014 12:25 PM, Richard Henderson wrote:
> On 11/04/2014 05:28 PM, Andrew MacLeod wrote:
>> + bool
>> + default_can_compare_and_swap_p (machine_mode mode, bool allow_libcall)
>> + {
>> +   return can_compare_and_swap_p (mode, allow_libcall);
>> + }
> This is silly.  I think the problem you point out can be better fixed by moving
> the can_compare_and_swap_p prototype elsewhere.
>
yeah, except it uses some of the optab table stuff that is static to 
optabs.c...   so the basic functionality remains there.   we could stick 
a wrapper somewhere else... but thats effectively what this does.
we are asking a question about target behaviour...

Im open to other suggestions..

Andrew

  reply	other threads:[~2014-11-04 17:56 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-04 16:28 Andrew MacLeod
2014-11-04 17:26 ` Richard Henderson
2014-11-04 17:56   ` Andrew MacLeod [this message]
2014-11-04 17:58     ` Richard Henderson
2014-11-04 18:30       ` Andrew MacLeod
2014-11-04 19:53         ` Richard Biener
2014-11-04 20:13           ` Andrew MacLeod
2014-11-06 17:57             ` Andrew MacLeod
2014-11-06 18:23               ` Andrew Haley
2014-11-06 19:05                 ` Andrew MacLeod
2014-11-07  9:31                   ` Andrew Haley
2014-11-07 13:31                     ` Andrew MacLeod

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