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[Bug target/57357] Error with '-mno-sse' and include wchar.h
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 21 May 2013 16:46:03 +0000
- Subject: [Bug target/57357] Error with '-mno-sse' and include wchar.h
- Auto-submitted: auto-generated
- References: <bug-57357-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57357
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to thutt from comment #2)
> Can you please explain why it's invalid to return a double if SSE is
> disabled?
> SSE is an x86-specific hardware implementation and has nothing to do with
> language validity from my standpoint.
On x86_64 the ABI says doubles are returned (and passed) via the SSE registers.