https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102029
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Roger Sayle from comment #3)
> Here's the fix that I'm currently testing...
>
> (simplify
> (convert (lshift:s@0 (convert:s@1 @2) INTEGER_CST@3))
> - (if (tree_nop_conversion_p (type, TREE_TYPE (@0))
> + (if (INTEGRAL_TYPE_P (type)
> + && !POINTER_TYPE_P (type)
either of both is redundant, I think keeping INTEGRAL_TYPE_P is better.
> + && tree_nop_conversion_p (type, TREE_TYPE (@0))
> && INTEGRAL_TYPE_P (TREE_TYPE (@2))
> && TYPE_PRECISION (TREE_TYPE (@2)) <= TYPE_PRECISION (type))
> (lshift (convert @2) @3)))
