-fno-math-errno by default

[Kostik Belousov]

On Wed, Feb 16, 2011 at 03:27:05AM +0100, Gerald Pfeifer wrote:
> On Tue, 15 Feb 2011, Pedro F. Giffuni wrote:
> > I think gcc/config/i386/freebsd.h needs an integral revision.
> 
> I understand Loren Rittle has done that some two years ago, which
> lead to quite some changes to upstream GCC.
> 
> > The FreeBSD port already uses CC1_SPEC and ASM_SPEC, just like is
> > done for linux in upstream gcc.
> 
> The system compiler based on GCC is obviously dying, so my focus is
> on upstream and in consequence the ports.
> 
> Basically the question is what changes we are missing upstream, and
> I'm working through them 1 by 1 right now, where -fno-math-errno is
> in process and -mno-fancy-math looks like a docu issue only.
Another thing you could consider is enabling NEED_INDICATE_EXEC_STACK
on HEAD, for x86 and PowerPC (both 32 and 64 bits).

See r217098, r217396.

Thanks.
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