r228735 - in /branches/gomp-4_0-branch/gcc: Cha...

[vries@gcc.gnu.org]

Author: vries
Date: Mon Oct 12 18:23:49 2015
New Revision: 228735

URL: https://gcc.gnu.org/viewcvs?rev=228735&root=gcc&view=rev
Log:
Neuter gang-single code in gang-redundant mode

2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (is_oacc_kernels): New function.
	(lower_omp_target): Insert gang-pos at start of kernels region.
	(execute_oacc_device_lower): Handle IFN_GOACC_DIM_POS without result.
	* tree-parloops.c (create_parallel_loop): Don't expect
	single_pred_p (bb) if oacc_kernels_p.
	(oacc_entry_exit_ok_1): Add and handle reduction_stores parameter.
	(oacc_entry_exit_single_gang): New function.
	(oacc_entry_exit_ok): Call oacc_entry_exit_single_gang.

Modified:
    branches/gomp-4_0-branch/gcc/ChangeLog.gomp
    branches/gomp-4_0-branch/gcc/omp-low.c
    branches/gomp-4_0-branch/gcc/tree-parloops.c