On Mon, Mar 21, 2016 at 02:43:23PM -0600, Jeff Law wrote:
> On 03/21/2016 02:21 PM, Jakub Jelinek wrote:
> >Hi!
> >
> >HONOR_NANS when called on a tree or its type handles properly
> >vector/complex element modes, but HONOR_NANS (TYPE_MODE (TREE_TYPE (...)))
> >does not.
> >
> >Fixed thusly, bootstrapped/regtested on x86_64-linux and i686-linux, ok for
> >trunk?
> >
> >2016-03-21 Marc Glisse <marc.gli...@inria.fr>
> > Jakub Jelinek <ja...@redhat.com>
> >
> > PR tree-optimization/70317
> > * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
> > to HONOR_NANS.
> >
> > * gcc.dg/pr70317.c: New test.
> Presumably this is the need to look at the mode of the inner type for
> vectors, right?
HONOR_NANS (tree t) is HONOR_NANS (element_mode (t)), where element_mode is
if (!TYPE_P (t))
t = TREE_TYPE (t);
if (VECTOR_TYPE_P (t) || TREE_CODE (t) == COMPLEX_TYPE)
t = TREE_TYPE (t);
return TYPE_MODE (t);
Jakub
