[nvptx, PR84028] Add exit insn after noreturn call for neutered workers

2018-01-25  Tom de Vries  <tom@codesourcery.com>

	PR target/84028
	* config/nvptx/nvptx.c (nvptx_single): Add exit insn after noreturn call
	for neutered workers.

	* testsuite/libgomp.oacc-fortran/pr84028.f90: New test.

From-SVN: r257046

gcc/ChangeLog

+2018-01-25  Tom de Vries  <tom@codesourcery.com>
+
+	PR target/84028
+	* config/nvptx/nvptx.c (nvptx_single): Add exit insn after noreturn call
+	for neutered workers.
+
 2018-01-24  Joseph Myers  <joseph@codesourcery.com>
 
 	PR target/68467

gcc/config/nvptx/nvptx.c

@@ -4065,8 +4065,8 @@ nvptx_single (unsigned mask, basic_block from, basic_block to)
 	else
 	  {
 	    rtx_insn *label_insn = emit_label_after (label, tail);
-	    if (mode == GOMP_DIM_VECTOR && CALL_P (tail)
-		&& find_reg_note (tail, REG_NORETURN, NULL))
+	    if ((mode == GOMP_DIM_VECTOR || mode == GOMP_DIM_WORKER)
+		&& CALL_P (tail) && find_reg_note (tail, REG_NORETURN, NULL))
 	      emit_insn_after (gen_exit (), label_insn);
 	  }
       }

libgomp/ChangeLog

+2018-01-25  Tom de Vries  <tom@codesourcery.com>
+
+	PR target/84028
+	* testsuite/libgomp.oacc-fortran/pr84028.f90: New test.
+
 2018-01-24  Tom de Vries  <tom@codesourcery.com>
 
 	PR target/83589

libgomp/testsuite/libgomp.oacc-fortran/pr84028.f90

+! { dg-do run }
+
+program foo
+  integer :: a(3,3,3), ll, lll
+
+  a = 1
+
+  !$acc parallel num_gangs(1) num_workers(2)
+
+  if (any(a(1:3,1:3,1:3).ne.1)) call abort
+
+  do ll=1,3
+
+     !$acc loop vector
+     do lll=1,3
+        a(1,ll,lll) = 2
+     enddo
+
+  enddo
+
+  if (a(1,1,1).ne.2) call abort
+
+  !$acc end parallel
+
+end program foo