gcc/combined-reduction.c at 2cb7a501ab0be001dca4bac0d9af9298c0bfabbc - gcc - Expired Mentality Git

OpenE2K/gcc

Cesar Philippidis e7ff0319f3 re PR middle-end/70626 (bogus results in 'acc parallel loop' reductions)

gcc/c-family/
	PR middle-end/70626
	* c-common.h (c_oacc_split_loop_clauses): Add boolean argument.
	* c-omp.c (c_oacc_split_loop_clauses): Use it to duplicate
	reduction clauses in acc parallel loops.

	gcc/c/
	PR middle-end/70626
	* c-parser.c (c_parser_oacc_loop): Don't augment mask with
	OACC_LOOP_CLAUSE_MASK.
	(c_parser_oacc_kernels_parallel): Update call to
	c_oacc_split_loop_clauses.

	gcc/cp/
	PR middle-end/70626
	* parser.c (cp_parser_oacc_loop): Don't augment mask with
	OACC_LOOP_CLAUSE_MASK.
	(cp_parser_oacc_kernels_parallel): Update call to
	c_oacc_split_loop_clauses.

	gcc/fortran/
	PR middle-end/70626
	* trans-openmp.c (gfc_trans_oacc_combined_directive): Duplicate
	the reduction clause in both parallel and loop directives.

	gcc/testsuite/
	PR middle-end/70626
	* c-c++-common/goacc/combined-reduction.c: New test.
	* gfortran.dg/goacc/reduction-2.f95: Add check for kernels reductions.

	libgomp/
	PR middle-end/70626
	* testsuite/libgomp.oacc-c++/template-reduction.C: Adjust test.
	* testsuite/libgomp.oacc-c-c++-common/combined-reduction.c: New test.
	* testsuite/libgomp.oacc-fortran/combined-reduction.f90: New test.

From-SVN: r235651

2016-04-29 10:42:04 -07:00

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 /* Test a combined acc parallel loop reduction.  */
 /* { dg-do run } */
 #include <assert.h>
 int
 main ()
 {
   int i, v1 = 0, v2 = 0, n = 100;
 #pragma acc parallel loop reduction(+:v1, v2)
   for (i = 0; i < n; i++)
     {
       v1++;
       v2++;
     }
   assert (v1 == n);
   assert (v2 == n);
   return 0;
 }