[Bug tree-optimization/62041] vector fneg codegen uses a subtract instead of an xor (x86-64)

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62041

--- Comment #6 from Marc Glisse <glisse at gcc dot gnu.org> ---
Author: glisse
Date: Tue Jun 11 12:48:26 2019
New Revision: 272151

URL: https://gcc.gnu.org/viewcvs?rev=272151&root=gcc&view=rev
Log:
fold_real_zero_addition_p for vectors

2019-06-11  Marc Glisse  <marc.gli...@inria.fr>

        PR tree-optimization/62041
        * fold-const.c (fold_real_zero_addition_p): Handle vectors.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c