On Tue, 4 Oct 2016, Uros Bizjak wrote:
> On Tue, Oct 4, 2016 at 12:00 PM, Richard Biener <rguent...@suse.de> wrote:
>
> >> x86 targets should always be in pair, so "target i?86-*-* x86_64-*-*",
> >> with an optional ia32 target addition when the test is valid for 32
> >> bit targets only, or { ! ia32 } addition when test is valid for 64-bit
> >> targets only.
> >
> > I need SSE2 support but didn't want to adjust dg-options with another
> > { target } ... so with default ISA this is valid for x86_64 only
> > AFAIK? It might be ok for i?86-*-* with -m64 thus that is your
> > { i?86-*-* x86_64-*-* } && { ! ia32 } then? But x86_64-*-* -m32
> > is ok ...
> >
> > I'll try a
> >
> > /* { dg-options "-O -fdump-tree-cddce1 -msse2" { target { i?86-*-*
> > x86_64-*-* } } } */
> >
> > then.
>
> You need sse2_runtime effective target. Please see e.g.
> gcc.dg/pr37544.c (or gcc.dg/pr36584.c for 32-bit only target) on how
> it should be used
It's a dg-do compile testcase only so I think that's not needed.
Richard.
