Adjustments and additions to testcases

Adjustments and additions to testcases

Some additions of redundant "present" clauses dropped.

2018-10-22  Cesar Philippidis  <cesar@codesourcery.com>

	gcc/testsuite/
	* g++.dg/goacc/loop-1.c: New test.
	* g++.dg/goacc/loop-2.c: New test.
	* g++.dg/goacc/loop-3.c: New test.

2018-10-22  James Norris  <jnorris@codesourcery.com>
	    Cesar Philippidis  <cesar@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>

	libgomp/
	* testsuite/libgomp.oacc-fortran/data-3.f90: Update parallel
	regions to denote variables copyied in via acc enter data as
	present.
	* testsuite/libgomp.oacc-c-c++-common/subr.h: Reimplement.
	* testsuite/libgomp.oacc-c-c++-common/subr.ptx: Regenerated PTX.
	* testsuite/libgomp.oacc-c-c++-common/timer.h: Removed.
	* testsuite/libgomp.oacc-c-c++-common/lib-69.c: Change async checks.
	* testsuite/libgomp.oacc-c-c++-common/lib-70.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-72.c: Rework kernel i/f and
	change async checks.
	* testsuite/libgomp.oacc-c-c++-common/lib-73.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-74.c: Rework kernel i/f and
	timing checks.
	* testsuite/libgomp.oacc-c-c++-common/lib-75.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-76.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-78.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-79.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-81.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-82.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-93.c: New test.