[Bug target/77452] [7 Regression] ICE: in plus_constant, at explow.c:87 with -fno-split-wide-types -mavx512f --param=max-combine-insns=2

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77452

--- Comment #4 from uros at gcc dot gnu.org ---
Author: uros
Date: Tue Sep  6 15:33:32 2016
New Revision: 240012

URL: https://gcc.gnu.org/viewcvs?rev=240012&root=gcc&view=rev
Log:
        Backport from mainline
        2016-09-05  Uros Bizjak  <ubiz...@gmail.com>

        PR rtl-optimization/77452
        * explow.c (plus_constant) <case MEM>: Extract scalar constant from
        inner-mode reference to a CONST_VECTOR constant in the constant pool.

testsuite/ChangeLog:

        Backport from mainline
        2016-09-05  Uros Bizjak  <ubiz...@gmail.com>

        PR rtl-optimization/77452
        * gcc.target/i386/pr77452.c: New test.


Added:
    branches/gcc-6-branch/gcc/testsuite/gcc.target/i386/pr77452.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/explow.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog