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Date: Mon, 13 Jul 2009 12:04:10 -0500
From: "Yaakov (Cygwin/X)" <yselkowitz AT users DOT sourceforge DOT net>
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To: cygwin AT cygwin DOT com
Subject: Re: gcc4: -ffast-math causes segfaults
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On 13/07/2009 04:24, Dave Korn wrote:
>>    Yes.  -ffaast-math allows the compiler to generate SSE instructions.  This
>> is a problem if used with plain uninitialised C common variable declarations,
>> because the PE file format doesn't have a way to specify the alignment of
>> common section allocations.
>
>    BTW, all this is PR37216:

Reading that PR just made my head spin.  I'm sure glad we've got guys 
like you on top of this stuff. :-)

 > Fixing this required adding support to both binutils and GCC; the new
 > release of binutils includes this support, and both GCC HEAD and the
 > coming-real-soon-now gcc-4.3.3-1 contain code to make use of the new
 > ability.

Well, that's certainly reassuring.  Thanks for the clarification.


Yaakov

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