[Bug tree-optimization/84687] [8 Regression] error: invalid conversion in gimple call with -O3 and -ffast-math

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84687

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Mar  6 07:06:44 2018
New Revision: 258272

URL: https://gcc.gnu.org/viewcvs?rev=258272&root=gcc&view=rev
Log:
        PR tree-optimization/84687
        * omp-simd-clone.c (simd_clone_create): Clear DECL_BUILT_IN_CLASS
        on new_node->decl.
        * match.pd (pow(C,x)*expN(y) -> expN(logN(C)*x+y)): New optimization.

        * gcc.dg/pr84687.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr84687.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/match.pd
    trunk/gcc/omp-simd-clone.c
    trunk/gcc/testsuite/ChangeLog