r268578 - in /branches/gcc-8-branch/gcc: Change...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Feb  6 12:56:02 2019
New Revision: 268578

URL: https://gcc.gnu.org/viewcvs?rev=268578&root=gcc&view=rev
Log:
2019-02-06  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-01-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89135
	* tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
	with abnormal preds.

	* gcc.dg/torture/pr89135.c: New testcase.

	2019-01-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88903
	* tree-vect-stmts.c (vectorizable_shift): Verify we see all
	scalar stmts a SLP shift amount is composed of when detecting
	shifts by scalars.

	* gcc.dg/vect/pr88903-1.c: New testcase.
	* gcc.dg/vect/pr88903-2.c: Likewise.

Added:
    branches/gcc-8-branch/gcc/testsuite/gcc.dg/torture/pr89135.c
    branches/gcc-8-branch/gcc/testsuite/gcc.dg/vect/pr88903-1.c
    branches/gcc-8-branch/gcc/testsuite/gcc.dg/vect/pr88903-2.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/testsuite/ChangeLog
    branches/gcc-8-branch/gcc/tree-ssa-phiprop.c
    branches/gcc-8-branch/gcc/tree-vect-stmts.c