[Bug target/34115] atomic builtins not supported on i686?

[scovich at gmail dot com]

------- Comment #6 from scovich at gmail dot com  2007-11-16 01:04 -------
(In reply to comment #5)
> Subject: Re:  atomic builtins not supported on i686?
> 
> On 15 Nov 2007 23:53:06 -0000, joseph at codesourcery dot com
> <gcc-bugzilla@gcc.gnu.org> wrote:
> > > Because the default arch for i686-linux-gnu is i386.
> > Which is a stupid inconsistency and arguably a bug.
> 
> ++
> 
> BTW, -march=i686 works beautifully. Close the bug? or rename it as a
> RFE to have i686-* default to -march=i686?
> 

Oh, and is there supposed to be a warning about unsupported atomic ops or not?
If not the docs should say to expect a linker error instead (and also
mention/link those macros Paolo pointed out).


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34115