On Tue, 15 Mar 2016, Andreas Schwab wrote: > Richard Henderson <r...@redhat.com> writes: > > > diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr68714.c > > b/gcc/testsuite/gcc.dg/tree-ssa/pr68714.c > > new file mode 100644 > > index 0000000..741d311 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr68714.c > > @@ -0,0 +1,9 @@ > > +/* { dg-do compile } */ > > +/* { dg-options "-O2 -fdump-tree-optimized" } */ > > + > > +typedef int vec __attribute__((vector_size(16))); > > +vec f(vec x,vec y){ > > + return x<y|x==y; > > +} > > + > > +/* { dg-final { scan-tree-dump-times " <= " 1 "optimized" } } */ > > That fails on ia64: > > $ grep " <= " pr68714.c.211t.optimized > _10 = _8 <= _9 ? -1 : 0; > _13 = _11 <= _12 ? -1 : 0; > _16 = _14 <= _15 ? -1 : 0;
Probably on all targets that don't support V4SImode vectors. Though three cond_exprs is odd ;) I suppose we got one DImode and two SImode but that would be odd behavior from veclower... Richard.