Re: [patch] x86: add -freg-struct-return to CFLAGS

[H. Peter Anvin]

Adrian Bunk wrote:
> On Thu, Feb 22, 2007 at 09:38:22AM +0100, Ingo Molnar wrote:
> > ...
> > --- linux.orig/arch/i386/Makefile
> > +++ linux/arch/i386/Makefile
> > @@ -31,7 +31,7 @@ LDFLAGS_vmlinux := --emit-relocs
> >  endif
> >  CHECKFLAGS	+= -D__i386__
> >  
> > -CFLAGS += -pipe -msoft-float -mregparm=3
> > +CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return
> >  
> >  # prevent gcc from keeping the stack 16 byte aligned
> >  CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
>
> Why is this i386 specific?

Because virtually all other architectures have it as their ABI default, 
anyway, and ABI selection should be per architecture.

	-hpa
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