linux-kernel - Re: Is gcc thread-unsafe?

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Message-ID:  <87r6jjzfhd.fsf@willow.rfc1149.net>
Date:	Thu, 25 Oct 2007 11:54:38 +0200
From:	Samuel Tardieu <sam@...1149.net>
To:	linux-kernel@...r.kernel.org
Subject:  Re: Is gcc thread-unsafe?

>>>>> "Sam" == Samuel Tardieu <sam@...1149.net> writes:
>>>>> "Nick" == Nick Piggin <nickpiggin@...oo.com.au> writes:

Nick> Either way, I think we really need a way to turn it off for
Nick> Linux.

Sam> Someone would need to add an option to disable the "cselim" pass
Sam> in GCC tree-ssa-phiopt.c as far as I can tell from reading GCC
Sam> source.

Mmm, it looks like there is an option already (-fno-tree-cselim), but
it looks like it has no visible effect in my version of GCC
(yesterday's SVN). I'll ask on the GCC mailing-list.

  Sam
-- 
Samuel Tardieu -- sam@...1149.net -- http://www.rfc1149.net/

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