[Bug tree-optimization/92734] Missing match.pd simplification done by fold_binary_loc on generic

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92734
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Dec  4 09:38:48 2019
New Revision: 278958

URL: https://gcc.gnu.org/viewcvs?rev=278958&root=gcc&view=rev
Log:
        PR tree-optimization/92734
        * match.pd ((A +- B) - A -> +- B, (A +- B) -+ B -> A,
        A - (A +- B) -> -+ B, A +- (B -+ A) -> +- B): Handle nop_convert.

        * gcc.dg/tree-ssa/pr92734-2.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr92734-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/match.pd
    trunk/gcc/testsuite/ChangeLog