http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55832
--- Comment #6 from Marc Glisse <glisse at gcc dot gnu.org> 2013-01-03 08:56:47
UTC ---
(In reply to comment #5)
> I've slightly adjusted the testcase, so that it at least doesn't violate
> strict
> aliasing, unfortunately without the uninitialized c it doesn't trigger. And I
> couldn't find a way to create ABS_EXPR of vectors using vector types directly.
I would also like a way to generate ABS_EXPR and MAX_EXPR for vectors, but for
this specific bug, it is probably easier to stick to unsigned types:
typedef unsigned long vec __attribute__((vector_size(16)));
void f(vec* x){
*x = (*x >= 0) ? *x : 0;
}
