[Bug c++/85077] [8 Regression] V[248][SD]F abs not optimized to

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85077

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Mar 27 20:00:56 2018
New Revision: 258903

URL: https://gcc.gnu.org/viewcvs?rev=258903&root=gcc&view=rev
Log:
        PR c++/85077
        * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
        type call fold to generate VECTOR_CSTs when possible.

        * g++.dg/ext/vector35.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ext/vector35.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-gimplify.c
    trunk/gcc/testsuite/ChangeLog