[Bug target/88906] wrong code with -march=k6 -minline-all-stringops -minline-stringops-dynamically -mmemcpy-strategy=libcall:-1:align and vector argument

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88906

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Aug 30 11:29:57 2019
New Revision: 275090

URL: https://gcc.gnu.org/viewcvs?rev=275090&root=gcc&view=rev
Log:
        Backported from mainline
        2019-01-22  Jakub Jelinek  <ja...@redhat.com>

        PR rtl-optimization/49429
        PR target/49454
        PR rtl-optimization/86334
        PR target/88906
        * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
        addressable from here...
        (emit_block_op_via_libcall): ... to here.

        * gcc.target/i386/pr86334.c: New test.
        * gcc.target/i386/pr88906.c: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.target/i386/pr86334.c
    branches/gcc-7-branch/gcc/testsuite/gcc.target/i386/pr88906.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/expr.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog