r263017 - in /branches/gcc-8-branch/gcc: Change...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Jul 26 16:38:11 2018
New Revision: 263017

URL: https://gcc.gnu.org/viewcvs?rev=263017&root=gcc&view=rev
Log:
	Backported from mainline
	2018-07-24  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/86627
	* expmed.c (expand_divmod): Punt if d == HOST_WIDE_INT_MIN
	and size > HOST_BITS_PER_WIDE_INT.  For size > HOST_BITS_PER_WIDE_INT
	and abs_d == d, do the power of two handling if profitable.

	* gcc.target/i386/pr86627.c: New test.

Added:
    branches/gcc-8-branch/gcc/testsuite/gcc.target/i386/pr86627.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/expmed.c
    branches/gcc-8-branch/gcc/testsuite/ChangeLog