[Bug target/90424] memcpy into vector builtin not optimized

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90424

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu May 16 08:03:49 2019
New Revision: 271279

URL: https://gcc.gnu.org/viewcvs?rev=271279&root=gcc&view=rev
Log:
2019-05-16  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/90424
        * tree-ssa.c (non_rewritable_lvalue_p): Handle inserts from
        aligned subvectors.
        (execute_update_addresses_taken): Likewise.
        * tree-cfg.c (verify_gimple_assign_ternary): Likewise.

        * g++.target/i386/pr90424-1.C: New testcase.
        * g++.target/i386/pr90424-2.C: Likewise.

Added:
    trunk/gcc/testsuite/g++.target/i386/pr90424-1.C
    trunk/gcc/testsuite/g++.target/i386/pr90424-2.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-cfg.c
    trunk/gcc/tree-ssa.c