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Re: [v3] atomics

From: Mark Mitchell <mark at codesourcery dot com>
To: Benjamin Kosnik <bkoz at redhat dot com>
Cc: David Daney <ddaney at avtrex dot com>, David Miller <davem at davemloft dot net>, gcc-patches at gcc dot gnu dot org, libstdc++ at gcc dot gnu dot org, crowl at google dot com, rsandifo at nildram dot co dot uk
Date: Mon, 21 Apr 2008 22:20:08 -0700
Subject: Re: [v3] atomics
References: <20080410152950.4421fda9@wabash.artheist.org> <4808DFA5.2040903@avtrex.com> <20080418.144349.196133735.davem@davemloft.net> <48091B11.1080503@avtrex.com> <20080421143915.0c51906a@wabash.artheist.org>

Benjamin Kosnik wrote:

It sounds like it's not hard to do implement the full set. That's
certainly my preference.

I think that's reasonable, but ...

Do you have any idea as to how many backends this impacts?

... since David Daney wrote ...

A casual grep of arm, sh, and m68k indicates that they are probably missing _sync*, there may be others too.

... I think that that this patch should be backed out or disabled until all of the primary and secondary platforms have the necessary builtins or until the library can automatically turn off the new functionality on platforms that don't support it.

Thanks,

--
Mark Mitchell
CodeSourcery
mark@codesourcery.com
(650) 331-3385 x713

References:
- [v3] atomics
  - From: Benjamin Kosnik
- Re: [v3] atomics
  - From: David Daney
- Re: [v3] atomics
  - From: David Miller
- Re: [v3] atomics
  - From: David Daney
- Re: [v3] atomics
  - From: Benjamin Kosnik

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