On Mon, 23 Jun 2014, Richard Biener wrote:
On Mon, Jun 23, 2014 at 3:32 PM, Prathamesh Kulkarni <bilbotheelffri...@gmail.com> wrote:* match.pd: Mark operators in some bitwise and plus-minus patterns to be commutative./* A - (A +- B) -> -+ B */ (match_and_simplify - (minus @0 (plus @0 @1)) + (minus @0 (plus:c @0 @1)) (negate @0)) seems pointless
Why? a-(a+b) and a-(b+a) are both wanted and don't appear elsewhere in the file, no? Should simplify to (negate @1) though.
-- Marc Glisse
