[Bug tree-optimization/77399] Poor code generation for vector casts and loads

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77399

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Sep 30 07:06:16 2016
New Revision: 240646

URL: https://gcc.gnu.org/viewcvs?rev=240646&root=gcc&view=rev
Log:
2016-09-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77399
        * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
        float <-> int conversions.

        * gcc.dg/tree-ssa/forwprop-35.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/forwprop-35.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c