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From: Richard Henderson <rth@redhat.com>
To: Andrew MacLeod <amacleod@redhat.com>
Cc: Lawrence Crowl <crowl@google.com>,
	Benjamin Kosnik <bkoz@redhat.com>,
	       Aldy Hernandez <aldyh@redhat.com>, GCC <gcc@gcc.gnu.org>
Subject: Re: C++11 atomic library notes
Date: Mon, 03 Oct 2011 17:31:00 -0000	[thread overview]
Message-ID: <4E89F171.4060808@redhat.com> (raw)
In-Reply-To: <4E862864.2010607@redhat.com>

On 09/30/2011 01:36 PM, Andrew MacLeod wrote:
> http://gcc.gnu.org/wiki/Atomic/GCCMM/LIbrary


>   __atomic_store (size_t obj_size, T *mem, T val, enum memory_model model)

I don't like this.  I really cannot imagine any situation for which the
compiler can't resolve SIZE to a compile-time constant.  I think it's
pointless to have a dispatch routine that just calls all of

>   __atomic_store_1  (T *mem, T val, enum memory_model model)
>   __atomic_store_2  (T *mem, T val, enum memory_model model)
>   __atomic_store_4  (T *mem, T val, enum memory_model model)
>   __atomic_store_8  (T *mem, T val, enum memory_model model)
>   __atomic_store_16 (T *mem, T val, enum memory_model model)

and so forth.



r~

  parent reply	other threads:[~2011-10-03 17:31 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4E862864.2010607@redhat.com>
2011-10-01  6:56 ` Marc Glisse
2011-10-01 23:12   ` Andrew MacLeod
2011-10-02  8:40     ` Marc Glisse
2011-10-02 13:56       ` Andrew MacLeod
2011-10-03 17:31 ` Richard Henderson [this message]
2011-10-03 17:54   ` Andrew MacLeod
2011-10-03 18:10     ` Richard Henderson
2011-10-03 19:52     ` Joseph S. Myers
2011-10-05  7:26 ` Jeffrey Yasskin
2011-10-05 18:58   ` Andrew MacLeod
2011-10-05 19:07     ` Jeffrey Yasskin
2011-10-05 20:12       ` Andrew MacLeod

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