[Bug target/58744] Illegal Memory Access on 3-byte packed struct ARCH: x86_64

[amodra at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58744

--- Comment #5 from Alan Modra <amodra at gcc dot gnu.org> ---
Author: amodra
Date: Thu Apr 30 11:11:34 2015
New Revision: 222616

URL: https://gcc.gnu.org/viewcvs?rev=222616&root=gcc&view=rev
Log:
gcc/
        PR target/65408
        PR target/58744
        PR middle-end/36043
        * calls.c (load_register_parameters): Don't load past end of
        mem unless suitably aligned.
gcc/testsuite/
        * gcc.dg/pr65408.c: New.


Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.dg/pr65408.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/calls.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog