[Bug target/68143] [5/6 Regression][ARM] Wrong code initialising struct member after zeroing out the whole struct

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68143

--- Comment #4 from ktkachov at gcc dot gnu.org ---
Author: ktkachov
Date: Wed Nov 18 13:18:47 2015
New Revision: 230544

URL: https://gcc.gnu.org/viewcvs?rev=230544&root=gcc&view=rev
Log:
[ARM] PR 68143 Properly update memory offsets when expanding setmem

        Backport from mainline
        2015-11-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/68143
        * config/arm/arm.c (arm_block_set_unaligned_vect): Keep track of
        offset from dstbase and use it appropriately in
        adjust_automodify_address.
        (arm_block_set_aligned_vect): Likewise.

        * gcc.c-torture/execute/pr68143_1.c: New test.


Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.c-torture/execute/pr68143_1.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/config/arm/arm.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog