Hi,

This patch removes the device-specific filtering (for NVidia PTX) from
the parsing stages of the host compiler (for the device_type clause --
separately for C, C++ and Fortran) in favour of fully parsing the
device_type clauses, but not actually implementing anything for them
(device_type support is a feature that we're not planning to implement
just yet: the existing "support" is something of a red herring).

With this patch, the parsed device_type clauses will be ready at OMP
lowering time whenever we choose to do something with them (e.g.
transforming them into a representation that can be streamed out and
re-read by the appropriate offload compiler). The representation is
more-or-less the same for all supported languages, modulo
clause ordering.

I've altered the dtype-*.* tests to account for the new behaviour (and
to not use e.g. mixed-case "nVidia" or "acc_device_nvidia" names, which
are contrary to the recommendations in the spec).

OK to apply, or any comments?

Thanks,

Julian

ChangeLog

    gcc/
    * gimplify.c (gimplify_scan_omp_clauses): Handle
    OMP_CLAUSE_DEVICE_TYPE.
    (gimplify_adjust_omp_clauses): Likewise.
    * omp-low.c (scan_sharing_clauses): Likewise.
    (expand_omp_target): Add "sorry" for device_type support.
    * tree-pretty-print.c (dump_omp_clause): Add device_type support.
    * tree.c (walk_tree_1): Likewise.

    gcc/c/
    * c-parser.c (c_parser_oacc_all_clauses): Don't call
    c_oacc_filter_device_types.
    * c-typeck.c (c_finish_omp_clauses): Handle OMP_CLAUSE_DEVICE_TYPE.

    gcc/cp/
    * parser.c (cp_parser_oacc_all_clauses): Don't call
    c_oacc_filter_device_types.
    * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_DEVICE_TYPE.
    * semantics.c (finish_omp_clauses): Likewise.

    gcc/fortran/
    * gfortran.h (gfc_omp_clauses): Change "dtype" int field to
    "device_types" gfc_expr_list.
    * openmp.c (gfc_match_omp_clauses): Remove scan_dtype variable (add
    OMP_CLAUSE_DEVICE_TYPE directly to appropriate bitmasks). Parse all
    device_type clauses without filtering.
    (OACC_LOOP_CLAUSE_DEVICE_TYPE_MASK)
    (OACC_KERNELS_CLAUSE_DEVICE_TYPE_MASK)
    (OACC_PARALLEL_CLAUSE_DEVICE_TYPE_MASK)
    (OACC_ROUTINE_CLAUSE_DEVICE_TYPE_MASK)
    (OACC_UPDATE_CLAUSE_DEVICE_TYPE_MASK): Add OMP_CLAUSE_DEVICE_TYPE.
    * trans-openmp.c (gfc_trans_omp_clauses): Translate device_type
    clauses, and split old body into...
    (gfc_trans_omp_clauses_1): New function.

    gcc/testsuite/
    * c-c++-common/goacc/dtype-1.c: Update test for new behaviour.
    * c-c++-common/goacc/dtype-2.c: Likewise.
    * c-c++-common/goacc/dtype-3.c: Likewise.
    * c-c++-common/goacc/dtype-4.c: Likewise.
    * gfortran.dg/goacc/dtype-1.f95: Likewise.
    * gfortran.dg/goacc/dtype-2.f95: Likewise.
    * gfortran.dg/goacc/dtype-3.f: Likewise.
commit 123298186bb8ce87f84b6a3a72743939d4fdae11
Author: Julian Brown <jul...@codesourcery.com>
Date:   Thu Jul 16 08:06:01 2015 -0700

    Fix device_type parsing, add sorry() for missing implementation of remainder.

diff --git a/gcc/c/c-parser.c b/gcc/c/c-parser.c
index 1c65abf..d90c18e 100644
--- a/gcc/c/c-parser.c
+++ b/gcc/c/c-parser.c
@@ -12439,10 +12439,7 @@ c_parser_oacc_all_clauses (c_parser *parser, omp_clause_mask mask,
   c_parser_skip_to_pragma_eol (parser);
 
   if (finish_p)
-    {
-      clauses = c_oacc_filter_device_types (clauses);
-      return c_finish_omp_clauses (clauses, true);
-    }
+    return c_finish_omp_clauses (clauses, true);
 
   return clauses;
 }
diff --git a/gcc/c/c-typeck.c b/gcc/c/c-typeck.c
index 98b8e3d..dcc246c 100644
--- a/gcc/c/c-typeck.c
+++ b/gcc/c/c-typeck.c
@@ -12568,6 +12568,10 @@ c_finish_omp_clauses (tree clauses, bool oacc)
 	  pc = &OMP_CLAUSE_CHAIN (c);
 	  continue;
 
+        case OMP_CLAUSE_DEVICE_TYPE:
+	  pc = &OMP_CLAUSE_DEVICE_TYPE_CLAUSES (c);
+	  continue;
+
 	case OMP_CLAUSE_INBRANCH:
 	case OMP_CLAUSE_NOTINBRANCH:
 	  if (branch_seen)
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index 28f0048..80aabed 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -29879,10 +29879,7 @@ cp_parser_oacc_all_clauses (cp_parser *parser, omp_clause_mask mask,
   cp_parser_skip_to_pragma_eol (parser, pragma_tok);
 
   if (finish_p)
-    {
-      clauses = c_oacc_filter_device_types (clauses);
-      return finish_omp_clauses (clauses, true);
-    }
+    return finish_omp_clauses (clauses, true);
 
   return clauses;
 }
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index 205dc30..056b2c1 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -13666,6 +13666,7 @@ tsubst_omp_clauses (tree clauses, bool declare_simd,
 	case OMP_CLAUSE_AUTO:
 	case OMP_CLAUSE_SEQ:
 	case OMP_CLAUSE_TILE:
+	case OMP_CLAUSE_DEVICE_TYPE:
 	  break;
 	default:
 	  gcc_unreachable ();
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index 8935eb6..1ce1dfa 100644
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -5951,6 +5951,7 @@ finish_omp_clauses (tree clauses, bool oacc)
 	case OMP_CLAUSE_BIND:
 	case OMP_CLAUSE_NOHOST:
 	case OMP_CLAUSE_TILE:
+	case OMP_CLAUSE_DEVICE_TYPE:
 	  break;
 
 	case OMP_CLAUSE_INBRANCH:
diff --git a/gcc/fortran/gfortran.h b/gcc/fortran/gfortran.h
index 89f6816..12d46a9 100644
--- a/gcc/fortran/gfortran.h
+++ b/gcc/fortran/gfortran.h
@@ -1267,7 +1267,7 @@ typedef struct gfc_omp_clauses
   struct gfc_expr *num_workers_expr;
   struct gfc_expr *vector_length_expr;
   struct gfc_symbol *routine_bind;
-  int dtype;
+  gfc_expr_list *device_types;
   struct gfc_omp_clauses *dtype_clauses;
   gfc_expr_list *wait_list;
   gfc_expr_list *tile_list;
diff --git a/gcc/fortran/openmp.c b/gcc/fortran/openmp.c
index c3d3ccf..4be3417 100644
--- a/gcc/fortran/openmp.c
+++ b/gcc/fortran/openmp.c
@@ -507,7 +507,6 @@ gfc_match_omp_clauses (gfc_omp_clauses **cp, uint64_t mask,
 {
   gfc_omp_clauses *base_clauses, *c = gfc_get_omp_clauses ();
   locus old_loc;
-  bool scan_dtype = false;
 
   base_clauses = c;
 
@@ -1154,39 +1153,50 @@ gfc_match_omp_clauses (gfc_omp_clauses **cp, uint64_t mask,
       if ((mask & OMP_CLAUSE_DEVICE) && c->device == NULL
 	  && gfc_match ("device ( %e )", &c->device) == MATCH_YES)
 	continue;
-      if (((mask & OMP_CLAUSE_DEVICE_TYPE) || scan_dtype)
+      if ((mask & OMP_CLAUSE_DEVICE_TYPE)
 	  && (gfc_match ("device_type ( ") == MATCH_YES
 	      || gfc_match ("dtype ( ") == MATCH_YES))
 	{
-	  int device = GOMP_DEVICE_NONE;
 	  gfc_omp_clauses *t = gfc_get_omp_clauses ();
+	  gfc_expr_list *p = NULL, *head, *tail;
 
-	  c->dtype_clauses = t;
-	  c = t;
+	  head = tail = NULL;
 
 	  if (gfc_match (" * ") == MATCH_YES)
-	    device = GOMP_DEVICE_DEFAULT;
+	    {
+	      head = p = gfc_get_expr_list ();
+	      p->expr
+	        = gfc_get_character_expr (gfc_default_character_kind,
+					  &gfc_current_locus, "*", 1);
+	    }
 	  else
 	    {
 	      char n[GFC_MAX_SYMBOL_LEN + 1];
 
-	      do {
-		if (gfc_match (" %n ", n) == MATCH_YES)
-		  {
-		    if (!strcasecmp ("nvidia", n))
-		      device = GOMP_DEVICE_NVIDIA_PTX;
-		    else
-		      {
-			/* The OpenACC technical committee advises compilers
-			   to silently ignore unknown devices.  */
-		      }
-		  }
-		else
-		  {
-		    gfc_error ("missing device_type argument");
-		    continue;
-		  }
-	      } while (gfc_match (" , ") == MATCH_YES);
+	      do
+		{
+		  p = gfc_get_expr_list ();
+
+		  if (head == NULL)
+	            head = tail = p;
+		  else
+	            {
+		      tail->next = p;
+		      tail = p;
+		    }
+
+		  if (gfc_match (" %n ", n) == MATCH_YES)
+		    p->expr
+		      = gfc_get_character_expr (gfc_default_character_kind,
+						&gfc_current_locus, n,
+						strlen (n));
+		  else
+		    {
+		      gfc_error ("missing device_type argument");
+		      continue;
+		    }
+		}
+	      while (gfc_match (" , ") == MATCH_YES);
 	    }
 
 	  /* Consume the trailing ')'.  */
@@ -1196,9 +1206,12 @@ gfc_match_omp_clauses (gfc_omp_clauses **cp, uint64_t mask,
 	      continue;
 	    }
 
-	  c->dtype = device;
+	  /* Move to chained pointer for parsing remaining clauses.  */
+	  c->device_types = head;
+	  c->dtype_clauses = t;
+	  c = t;
+
 	  mask = dtype_mask;
-	  scan_dtype = true;
 	  continue;
 	}
       if ((mask & OMP_CLAUSE_THREAD_LIMIT) && c->thread_limit == NULL
@@ -1259,69 +1272,6 @@ gfc_match_omp_clauses (gfc_omp_clauses **cp, uint64_t mask,
       return MATCH_ERROR;
     }
 
-  /* Filter out the device_type clauses.  */
-  if (base_clauses->dtype_clauses)
-    {
-      gfc_omp_clauses *t;
-      gfc_omp_clauses *seen_default = NULL;
-      gfc_omp_clauses *seen_nvidia = NULL;
-
-      /* Scan for device_type clauses.  */
-      c = base_clauses->dtype_clauses;
-      while (c)
-	{
-	  if (c->dtype == GOMP_DEVICE_DEFAULT)
-	    {
-	      if (seen_default)
-		gfc_error ("duplicate device_type (*)");
-	      else
-		seen_default = c;
-	    }
-	  else if (c->dtype == GOMP_DEVICE_NVIDIA_PTX)
-	    {
-	      if (seen_nvidia)
-		gfc_error ("duplicate device_type (nvidia)");
-	      else
-		seen_nvidia = c;
-	    }
-	  c = c->dtype_clauses;
-	}
-
-      /* Update the clauses in the original set of clauses.  */
-      c = seen_nvidia ? seen_nvidia : seen_default;
-      if (c)
-	{
-#define acc_clause0(mask) do if (c->mask) { base_clauses->mask = 1; } while (0)
-#define acc_clause1(mask, expr, type) do if (c->mask) { type t; \
-	      base_clauses->mask = 1; t = base_clauses->expr; \
-	      base_clauses->expr = c->expr; c->expr = t; } while (0)
-
-	  acc_clause1 (acc_collapse, collapse, int);
-	  acc_clause1 (gang, gang_expr, gfc_expr *);
-	  acc_clause1 (worker, worker_expr, gfc_expr *);
-	  acc_clause1 (vector, vector_expr, gfc_expr *);
-	  acc_clause0 (par_auto);
-	  acc_clause0 (independent);
-	  acc_clause0 (seq);
-	  acc_clause1 (tile, tile_list, gfc_expr_list *);
-	  acc_clause1 (async, async_expr, gfc_expr *);
-	  acc_clause1 (wait, wait_list, gfc_expr_list *);
-	  acc_clause1 (num_gangs, num_gangs_expr, gfc_expr *);
-	  acc_clause1 (num_workers, num_workers_expr, gfc_expr *);
-	  acc_clause1 (vector_length, vector_length_expr, gfc_expr *);
-	  acc_clause1 (bind, routine_bind, gfc_symbol *);
-	}
-
-      /* Remove the device_type clauses.  */
-      c = base_clauses->dtype_clauses;
-      while (c)
-	{
-	  t = c->dtype_clauses;
-	  gfc_free_omp_clauses (c);
-	  c = t;
-	}      
-    }
-
   *cp = base_clauses;
   return MATCH_YES;
 }
@@ -1384,17 +1334,18 @@ gfc_match_omp_clauses (gfc_omp_clauses **cp, uint64_t mask,
 
 #define OACC_LOOP_CLAUSE_DEVICE_TYPE_MASK \
   (OMP_CLAUSE_COLLAPSE | OMP_CLAUSE_GANG | OMP_CLAUSE_WORKER		    \
-   | OMP_CLAUSE_VECTOR | OMP_CLAUSE_AUTO | OMP_CLAUSE_SEQ | OMP_CLAUSE_TILE)
+   | OMP_CLAUSE_VECTOR | OMP_CLAUSE_AUTO | OMP_CLAUSE_SEQ | OMP_CLAUSE_TILE \
+   | OMP_CLAUSE_DEVICE_TYPE)
 #define OACC_KERNELS_CLAUSE_DEVICE_TYPE_MASK \
-  (OMP_CLAUSE_ASYNC | OMP_CLAUSE_WAIT)
+  (OMP_CLAUSE_ASYNC | OMP_CLAUSE_WAIT | OMP_CLAUSE_DEVICE_TYPE)
 #define OACC_PARALLEL_CLAUSE_DEVICE_TYPE_MASK				   \
   (OMP_CLAUSE_ASYNC | OMP_CLAUSE_NUM_GANGS | OMP_CLAUSE_NUM_WORKERS	   \
-   | OMP_CLAUSE_VECTOR_LENGTH | OMP_CLAUSE_WAIT)
+   | OMP_CLAUSE_VECTOR_LENGTH | OMP_CLAUSE_WAIT | OMP_CLAUSE_DEVICE_TYPE)
 #define OACC_ROUTINE_CLAUSE_DEVICE_TYPE_MASK				   \
    (OMP_CLAUSE_GANG | OMP_CLAUSE_WORKER | OMP_CLAUSE_VECTOR		   \
-    | OMP_CLAUSE_SEQ | OMP_CLAUSE_BIND)
+    | OMP_CLAUSE_SEQ | OMP_CLAUSE_BIND | OMP_CLAUSE_DEVICE_TYPE)
 #define OACC_UPDATE_CLAUSE_DEVICE_TYPE_MASK				   \
-   (OMP_CLAUSE_ASYNC | OMP_CLAUSE_WAIT)
+   (OMP_CLAUSE_ASYNC | OMP_CLAUSE_WAIT | OMP_CLAUSE_DEVICE_TYPE)
 
 
 match
diff --git a/gcc/fortran/trans-openmp.c b/gcc/fortran/trans-openmp.c
index 56e65ec..20a1e65 100644
--- a/gcc/fortran/trans-openmp.c
+++ b/gcc/fortran/trans-openmp.c
@@ -1730,8 +1730,8 @@ gfc_convert_expr_to_tree (stmtblock_t *block, gfc_expr *expr)
 }
 
 static tree
-gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses,
-		       locus where, bool declare_simd = false)
+gfc_trans_omp_clauses_1 (stmtblock_t *block, gfc_omp_clauses *clauses,
+			 locus where, bool declare_simd = false)
 {
   tree omp_clauses = NULL_TREE, chunk_size, c;
   int list;
@@ -2661,6 +2661,45 @@ gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses,
   return nreverse (omp_clauses);
 }
 
+static tree
+gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses,
+		       locus where, bool declare_simd = false)
+{
+  tree omp_clauses = gfc_trans_omp_clauses_1 (block, clauses, where,
+					      declare_simd);
+
+  for (; clauses->device_types; clauses = clauses->dtype_clauses)
+    {
+      tree c, following_clauses = NULL_TREE, dev_list = NULL_TREE;
+
+      if (clauses->dtype_clauses)
+        {
+	  gfc_expr_list *p;
+
+          following_clauses
+	    = gfc_trans_omp_clauses_1 (block, clauses->dtype_clauses,
+				       where, declare_simd);
+
+	  for (p = clauses->device_types; p; p = p->next)
+	    {
+	      tree dev = gfc_conv_constant_to_tree (p->expr);
+	      dev = get_identifier (TREE_STRING_POINTER (dev));
+	      if (dev_list)
+		dev_list = chainon (dev_list, dev);
+	      else
+	        dev_list = dev;
+	    }
+
+	  c = build_omp_clause (where.lb->location, OMP_CLAUSE_DEVICE_TYPE);
+	  OMP_CLAUSE_DEVICE_TYPE_CLAUSES (c) = following_clauses;
+	  OMP_CLAUSE_DEVICE_TYPE_DEVICES (c) = dev_list;
+	  omp_clauses = gfc_trans_add_clause (c, omp_clauses);
+	}
+    }
+
+  return omp_clauses;
+}
+
 /* Like gfc_trans_code, but force creation of a BIND_EXPR around it.  */
 
 static tree
diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index efae2e5..f5ec04a 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -6616,6 +6616,7 @@ gimplify_scan_omp_clauses (tree *list_p, gimple_seq *pre_p,
 	case OMP_CLAUSE_PROC_BIND:
 	case OMP_CLAUSE_SAFELEN:
 	case OMP_CLAUSE_TILE:
+	case OMP_CLAUSE_DEVICE_TYPE:
 	  break;
 
 	case OMP_CLAUSE_ALIGNED:
@@ -7035,6 +7036,7 @@ gimplify_adjust_omp_clauses (gimple_seq *pre_p, tree *list_p)
 	case OMP_CLAUSE_AUTO:
 	case OMP_CLAUSE_SEQ:
 	case OMP_CLAUSE_TILE:
+	case OMP_CLAUSE_DEVICE_TYPE:
 	  break;
 
 	default:
diff --git a/gcc/omp-low.c b/gcc/omp-low.c
index 0419dcd..37b853f 100644
--- a/gcc/omp-low.c
+++ b/gcc/omp-low.c
@@ -2028,6 +2028,7 @@ scan_sharing_clauses (tree clauses, omp_context *ctx)
 	case OMP_CLAUSE_AUTO:
 	case OMP_CLAUSE_SEQ:
 	case OMP_CLAUSE_TILE:
+	case OMP_CLAUSE_DEVICE_TYPE:
 	  break;
 
 	case OMP_CLAUSE_ALIGNED:
@@ -2163,6 +2164,7 @@ scan_sharing_clauses (tree clauses, omp_context *ctx)
 	case OMP_CLAUSE_AUTO:
 	case OMP_CLAUSE_SEQ:
 	case OMP_CLAUSE_TILE:
+	case OMP_CLAUSE_DEVICE_TYPE:
 	  break;
 
 	case OMP_CLAUSE_DEVICE_RESIDENT:
@@ -9774,6 +9776,10 @@ expand_omp_target (struct omp_region *region)
 	tree t_async;
 	int t_wait_idx;
 
+	c = find_omp_clause (clauses, OMP_CLAUSE_DEVICE_TYPE);
+	if (c)
+	  sorry ("device_type clause is not supported yet");
+
 	/* Default values for t_async.  */
 	t_async = fold_convert_loc (gimple_location (entry_stmt),
 				    integer_type_node,
diff --git a/gcc/testsuite/c-c++-common/goacc/dtype-1.c b/gcc/testsuite/c-c++-common/goacc/dtype-1.c
index e6d6e54..665f21e 100644
--- a/gcc/testsuite/c-c++-common/goacc/dtype-1.c
+++ b/gcc/testsuite/c-c++-common/goacc/dtype-1.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-fopenacc -fdump-tree-omplower" } */
+/* { dg-prune-output "sorry, unimplemented: device_type clause is not supported yet" } */
 
 void
 test ()
@@ -8,7 +9,7 @@ test ()
 
   /* ACC PARALLEL DEVICE_TYPE: */
 
-#pragma acc parallel device_type (nVidia) async (1) num_gangs (100) num_workers (100) vector_length (32) wait (1)
+#pragma acc parallel device_type (nvidia) async (1) num_gangs (100) num_workers (100) vector_length (32) wait (1)
   {
   }
 
@@ -45,49 +46,33 @@ test ()
   /* ACC LOOP DEVICE_TYPE: */
 
 #pragma acc parallel
-#pragma acc loop dtype (nVidia) gang tile (1)
+#pragma acc loop dtype (nvidia) gang tile (1)
   for (i1 = 1; i1 < 10; i1++)
-#pragma acc loop device_type (nVidia) worker collapse (1)
+#pragma acc loop device_type (nvidia) worker collapse (1)
     for (i2 = 1; i2 < 10; i2++)
-#pragma acc loop device_type (nVidia) vector
+#pragma acc loop device_type (nvidia) vector
       for (i3 = 1; i3 < 10; i3++)
-#pragma acc loop dtype (nVidia) auto
+#pragma acc loop dtype (nvidia) auto
 	for (i4 = 1; i4 < 10; i4++)
-#pragma acc loop dtype (nVidia)
+#pragma acc loop dtype (nvidia)
 	  for (i5 = 1; i5 < 10; i5++)
-#pragma acc loop device_type (nVidia) seq
+#pragma acc loop device_type (nvidia) seq
 	    for (i6 = 1; i6 < 10; i6++)
 	      {
 	      }
 
 #pragma acc parallel
-#pragma acc loop device_type (nVidia) gang tile (1) dtype (*) seq
+#pragma acc loop device_type (nvidia) gang tile (1) dtype (*) seq
   for (i1 = 1; i1 < 10; i1++)
-#pragma acc loop dtype (nVidia) worker collapse (1) device_type (*) seq
+#pragma acc loop dtype (nvidia) worker collapse (1) device_type (*) seq
     for (i2 = 1; i2 < 10; i2++)
-#pragma acc loop device_type (nVidia) vector dtype (*) seq
+#pragma acc loop device_type (nvidia) vector dtype (*) seq
       for (i3 = 1; i3 < 10; i3++)
-#pragma acc loop dtype (nVidia) auto device_type (*) seq
+#pragma acc loop dtype (nvidia) auto device_type (*) seq
 	for (i4 = 1; i4 < 10; i4++)
-#pragma acc loop device_type (nVidia) device_type (*) seq
+#pragma acc loop device_type (nvidia) device_type (*) seq
 	  for (i5 = 1; i5 < 10; i5++)
-#pragma acc loop device_type (nVidia) seq
-	    for (i6 = 1; i6 < 10; i6++)
-	      {
-	      }
-
-#pragma acc parallel
-#pragma acc loop dtype (nVidiaGPU) gang tile (1) device_type (*) seq
-  for (i1 = 1; i1 < 10; i1++)
-#pragma acc loop device_type (nVidiaGPU) worker collapse (1) dtype (*) seq
-    for (i2 = 1; i2 < 10; i2++)
-#pragma acc loop dtype (nVidiaGPU) vector device_type (*) seq
-      for (i3 = 1; i3 < 10; i3++)
-#pragma acc loop device_type (nVidiaGPU) auto device_type (*) seq
-	for (i4 = 1; i4 < 10; i4++)
-#pragma acc loop dtype (nVidiaGPU) dtype (*) seq
-	  for (i5 = 1; i5 < 10; i5++)
-#pragma acc loop device_type (nVidiaGPU) seq device_type (*) seq
+#pragma acc loop device_type (nvidia) seq
 	    for (i6 = 1; i6 < 10; i6++)
 	      {
 	      }
@@ -123,36 +108,36 @@ test ()
 #pragma acc routine (foo14) dtype (gpu) seq dtype (*) worker
 #pragma acc routine (foo15) dtype (gpu) bind (foo) dtype (*) seq
 
-/* { dg-final { scan-tree-dump-times "oacc_parallel wait\\(1\\) vector_length\\(32\\) num_workers\\(100\\) num_gangs\\(100\\) async\\(1\\)" 1 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "oacc_parallel device_type\\(nvidia\\) \\\[ wait\\(1\\) vector_length\\(32\\) num_workers\\(100\\) num_gangs\\(100\\) async\\(1\\) \\\]" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "oacc_parallel wait\\(1\\) vector_length\\(1\\) num_workers\\(1\\) num_gangs\\(1\\) async\\(1\\) wait\\(2\\) vector_length\\(64\\) num_workers\\(200\\) num_gangs\\(200\\) async\\(2\\)" 1 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "oacc_parallel device_type\\(nvidia\\) \\\[ wait\\(2\\) vector_length\\(64\\) num_workers\\(200\\) num_gangs\\(200\\) async\\(2\\) \\\] wait\\(1\\) vector_length\\(1\\) num_workers\\(1\\) num_gangs\\(1\\) async\\(1\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "acc_parallel wait\\(1\\) vector_length\\(1\\) num_workers\\(1\\) num_gangs\\(1\\) async\\(1\\) wait\\(3\\) vector_length\\(128\\) num_workers\\(300\\) num_gangs\\(300\\) async\\(3" 1 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "oacc_parallel device_type\\(\\*\\) \\\[ wait\\(10\\) vector_length\\(10\\) num_workers\\(10\\) num_gangs\\(10\\) async\\(10\\) \\\] device_type\\(nvidia\\) \\\[ wait\\(3\\) vector_length\\(128\\) num_workers\\(300\\) num_gangs\\(300\\) async\\(3\\) \\\] wait\\(1\\) vector_length\\(1\\) num_workers\\(1\\) num_gangs\\(1\\) async\\(1\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "oacc_kernels async\\(-1\\)" 4 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "oacc_kernels device_type\\(nvidia\\) \\\[ async\\(-1\\) \\\]" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "oacc_kernels async\\(-1\\) wait\\(2\\) async\\(2\\)" 1 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "oacc_kernels device_type\\(nvidia\\) \\\[ wait\\(1\\) async\\(1\\) \\\] async\\(-1\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "oacc_kernels async\\(-1\\) wait\\(0\\) async\\(0\\)" 1 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "oacc_kernels device_type\\(\\*\\) \\\[ wait\\(0\\) async\\(0\\) \\\] device_type\\(nvidia\\) \\\[ wait\\(2\\) async\\(2\\) \\\] async\\(-1\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "acc loop tile\\(1\\) gang private\\(i1\\.0\\) private\\(i1\\)" 1 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "acc loop device_type\\(nvidia\\) \\\[ tile\\(1\\) gang \\\] private\\(i1\\.0\\) private\\(i1\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "acc loop tile\\(1\\) gang private\\(i1\\.1\\) private\\(i1\\)" 1 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "acc loop device_type\\(\\*\\) \\\[ seq \\\] device_type\\(nvidia\\) \\\[ tile\\(1\\) gang \\\] private\\(i1\\.1\\) private\\(i1\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "acc loop seq private\\(i1\\.2\\) private\\(i1\\)" 1 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "acc loop device_type\\(nvidia\\) \\\[ collapse\\(1\\) worker \\\] private\\(i2\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "acc loop collapse\\(1\\) worker private\\(i2\\)" 2 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "acc loop device_type\\(nvidia\\) \\\[ vector \\\] private\\(i3\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "acc loop vector private\\(i3\\)" 2 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "acc loop device_type\\(nvidia\\) \\\[ auto \\\] private\\(i4\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "acc loop auto private\\(i4\\)" 2 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "acc loop device_type\\(nvidia\\) \\\[ \\\] private\\(i5\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "acc loop private\\(i5\\)" 1 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "acc loop device_type\\(nvidia\\) \\\[ seq \\\] private\\(i6\\)" 2 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "acc loop seq private\\(i6\\)" 3 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "acc loop device_type\\(\\*\\) \\\[ seq \\\] device_type\\(nvidia\\) \\\[ collapse\\(1\\) worker \\\] private\\(i2\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "acc loop seq private\\(i2\\)" 1 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "acc loop device_type\\(\\*\\) \\\[ seq \\\] device_type\\(nvidia\\) \\\[ vector \\\] private\\(i3\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "acc loop seq private\\(i4\\)" 1 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "acc loop device_type\\(\\*\\) \\\[ seq \\\] device_type\\(nvidia\\) \\\[ auto \\\] private\\(i4\\)" 1 "omplower" } } */
 
-/* { dg-final { scan-tree-dump-times "acc loop seq private\\(i5\\)" 2 "omplower" } } */
+/* { dg-final { scan-tree-dump-times "acc loop device_type\\(\\*\\) \\\[ seq \\\] device_type\\(nvidia\\) \\\[ \\\] private\\(i5\\)" 1 "omplower" } } */
diff --git a/gcc/testsuite/c-c++-common/goacc/dtype-2.c b/gcc/testsuite/c-c++-common/goacc/dtype-2.c
index 6fa48b9..96acab0 100644
--- a/gcc/testsuite/c-c++-common/goacc/dtype-2.c
+++ b/gcc/testsuite/c-c++-common/goacc/dtype-2.c
@@ -1,4 +1,5 @@
 /* { dg-do compile } */
+/* { dg-prune-output "sorry, unimplemented: device_type clause is not supported yet" } */
 
 void
 test ()
@@ -7,7 +8,7 @@ test ()
 
   /* ACC PARALLEL DEVICE_TYPE: */
 
-#pragma acc parallel dtype (nVidia) async (1) num_gangs (100) num_workers (100) vector_length (32) wait (1) copy (i1) /* { dg-error "not valid" } */
+#pragma acc parallel dtype (nvidia) async (1) num_gangs (100) num_workers (100) vector_length (32) wait (1) copy (i1) /* { dg-error "not valid" } */
   {
   }
 
@@ -20,7 +21,7 @@ test ()
   /* ACC LOOP DEVICE_TYPE: */
 
 #pragma acc parallel
-#pragma acc loop device_type (nVidia) gang tile (1) private (i2) /* { dg-error "not valid" } */
+#pragma acc loop device_type (nvidia) gang tile (1) private (i2) /* { dg-error "not valid" } */
   for (i1 = 1; i1 < 10; i1++)
     {
     }
diff --git a/gcc/testsuite/c-c++-common/goacc/dtype-3.c b/gcc/testsuite/c-c++-common/goacc/dtype-3.c
index 53ab94c..bfb06c4 100644
--- a/gcc/testsuite/c-c++-common/goacc/dtype-3.c
+++ b/gcc/testsuite/c-c++-common/goacc/dtype-3.c
@@ -1,4 +1,5 @@
-/* { dg-do compile } */
+/* { dg-do compile { xfail *-*-* } } */
+/* { dg-prune-output "sorry, unimplemented: device_type clause is not supported yet" } */
 
 float b;
 #pragma acc declare link (b)
@@ -14,15 +15,15 @@ main (int argc, char **argv)
   {
   }
 
-#pragma acc parallel device_type (acc_device_nvidia) num_gangs (1)
+#pragma acc parallel device_type (nvidia) num_gangs (1)
   {
   }
 
-#pragma acc parallel device_type (acc_device_host, acc_device_nvidia) num_gangs (1)
+#pragma acc parallel device_type (host, nvidia) num_gangs (1)
   {
   }
 
-#pragma acc parallel device_type (acc_device_host) num_gangs (1)
+#pragma acc parallel device_type (host) num_gangs (1)
   {
   }
 
diff --git a/gcc/testsuite/c-c++-common/goacc/dtype-4.c b/gcc/testsuite/c-c++-common/goacc/dtype-4.c
index f49d522..8328783 100644
--- a/gcc/testsuite/c-c++-common/goacc/dtype-4.c
+++ b/gcc/testsuite/c-c++-common/goacc/dtype-4.c
@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { xfail *-*-* } } */
 
 int
 main (int argc, char **argv)
@@ -8,19 +8,19 @@ main (int argc, char **argv)
   a = 2.0;
   b = 0.0;
 
-  #pragma acc parallel copy (a, b) device_type (acc_device_host) num_gangs (1) device_type (acc_device_nvidia) num_gangs (2)
+  #pragma acc parallel copy (a, b) device_type (host) num_gangs (1) device_type (nvidia) num_gangs (2) /* { dg-message "sorry, unimplemented: device_type clause is not supported yet" } */
   {
   }
 
-  #pragma acc parallel copy (a, b) num_gangs (3) device_type (acc_device_host) num_gangs (1) device_type (acc_device_nvidia) num_gangs (2)
+  #pragma acc parallel copy (a, b) num_gangs (3) device_type (host) num_gangs (1) device_type (nvidia) num_gangs (2) /* { dg-message "sorry, unimplemented: device_type clause is not supported yet" } */
   {
   }
 
-#pragma acc parallel copy (a, b) device_type (acc_device_host) num_gangs (1) device_type (acc_device_nvidia) num_gangs (2) device_type (acc_device_host) num_gangs (60) /* { dg-error "duplicate device_type" } */
+#pragma acc parallel copy (a, b) device_type (host) num_gangs (1) device_type (nvidia) num_gangs (2) device_type (host) num_gangs (60) /* { dg-message "sorry, unimplemented: device_type clause is not supported yet" } */
   {
   }
   
-#pragma acc parallel copy (a, b) num_gangs (3) device_type (nvidia) num_gangs (1) device_type (nvidia) num_gangs (2) /* { dg-error "duplicate device_type" } */
+#pragma acc parallel copy (a, b) num_gangs (3) device_type (nvidia) num_gangs (1) device_type (nvidia) num_gangs (2) /* { dg-message "sorry, unimplemented: device_type clause is not supported yet" } */
   {
   }
 
diff --git a/gcc/testsuite/gfortran.dg/goacc/dtype-1.f95 b/gcc/testsuite/gfortran.dg/goacc/dtype-1.f95
index 8f68bbe..5919ae4 100644
--- a/gcc/testsuite/gfortran.dg/goacc/dtype-1.f95
+++ b/gcc/testsuite/gfortran.dg/goacc/dtype-1.f95
@@ -1,12 +1,13 @@
 ! { dg-do compile }
 ! { dg-options "-fopenacc -fdump-tree-omplower" }
+! { dg-prune-output "sorry, unimplemented: device_type clause is not supported yet" }
 
 program dtype
   integer i1, i2, i3, i4, i5, i6
 
 !! ACC PARALLEL DEVICE_TYPE:
 
-!$acc parallel dtype (nVidia) async (1) num_gangs (100) &
+!$acc parallel dtype (nvidia) async (1) num_gangs (100) &
 !$acc&  num_workers (100) vector_length (32) wait (1)
 !$acc end parallel
 
@@ -46,17 +47,17 @@ program dtype
 !! ACC LOOP DEVICE_TYPE:
 
 !$acc parallel
-!$acc loop device_type (nVidia) gang tile (1)
+!$acc loop device_type (nvidia) gang tile (1)
   do i1 = 1, 10
-     !$acc loop dtype (nVidia) worker collapse (1)
+     !$acc loop dtype (nvidia) worker collapse (1)
      do i2 = 1, 10
-        !$acc loop device_type (nVidia) vector
+        !$acc loop device_type (nvidia) vector
         do i3 = 1, 10
-           !$acc loop device_type (nVidia) auto
+           !$acc loop device_type (nvidia) auto
            do i4 = 1, 10
-              !$acc loop dtype (nVidia)
+              !$acc loop dtype (nvidia)
               do i5 = 1, 10
-                 !$acc loop dtype (nVidia) seq
+                 !$acc loop dtype (nvidia) seq
                  do i6 = 1, 10
                  end do
               end do
@@ -67,42 +68,19 @@ program dtype
 !$acc end parallel
 
 !$acc parallel
-!$acc loop dtype (nVidia) gang tile (1) dtype (*) seq
+!$acc loop dtype (nvidia) gang tile (1) dtype (*) seq
   do i1 = 1, 10
-     !$acc loop device_type (nVidia) worker collapse (1) &
+     !$acc loop device_type (nvidia) worker collapse (1) &
      !$acc& device_type (*) seq
      do i2 = 1, 10
-        !$acc loop device_type (nVidia) vector dtype (*) seq
+        !$acc loop device_type (nvidia) vector dtype (*) seq
         do i3 = 1, 10
-           !$acc loop device_type (nVidia) auto dtype (*) seq
+           !$acc loop device_type (nvidia) auto dtype (*) seq
            do i4 = 1, 10
-              !$acc loop dtype (nVidia) &
+              !$acc loop dtype (nvidia) &
               !$acc& dtype (*) seq
               do i5 = 1, 10
-                 !$acc loop device_type (nVidia) seq
-                 do i6 = 1, 10
-                 end do
-              end do
-           end do
-        end do
-     end do
-  end do
-!$acc end parallel
-
-!$acc parallel
-!$acc loop dtype (nVidiaGPU) gang tile (1) dtype (*) seq
-  do i1 = 1, 10
-     !$acc loop dtype (nVidiaGPU) worker collapse (1) &
-     !$acc& device_type (*) seq
-     do i2 = 1, 10
-        !$acc loop device_type (nVidiaGPU) vector device_type (*) seq
-        do i3 = 1, 10
-           !$acc loop dtype (nVidiaGPU) auto device_type (*) seq
-           do i4 = 1, 10
-              !$acc loop dtype (nVidiaGPU) &
-              !$acc& dtype (*) seq
-              do i5 = 1, 10
-                 !$acc loop dtype (nVidiaGPU) seq device_type (*) seq
+                 !$acc loop device_type (nvidia) seq
                  do i6 = 1, 10
                  end do
               end do
@@ -189,42 +167,38 @@ subroutine sr5b ()
   !$acc routine dtype (gpu) bind (foo) device_type (*) seq
 end subroutine sr5b
 
-! { dg-final { scan-tree-dump-times "oacc_parallel async\\(1\\) wait\\(1\\) num_gangs\\(100\\) num_workers\\(100\\) vector_length\\(32\\)" 1 "omplower" } }
-
-! { dg-final { scan-tree-dump-times "oacc_parallel async\\(2\\) wait\\(2\\) num_gangs\\(200\\) num_workers\\(200\\) vector_length\\(64\\)" 1 "omplower" } }
-
-! { dg-final { scan-tree-dump-times "oacc_parallel async\\(3\\) wait\\(3\\) num_gangs\\(300\\) num_workers\\(300\\) vector_length\\(128\\)" 1 "omplower" } }
+! { dg-final { scan-tree-dump-times "oacc_parallel device_type\\(nvidia\\) \\\[ async\\(1\\) wait\\(1\\) num_gangs\\(100\\) num_workers\\(100\\) vector_length\\(32\\) \\\]" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "oacc_parallel async\\(10\\) wait\\(10\\) num_gangs\\(10\\) num_workers\\(10\\) vector_length\\(10\\)" 1 "omplower" } }
+! { dg-final { scan-tree-dump-times "oacc_parallel device_type\\(nvidia\\) \\\[ async\\(2\\) wait\\(2\\) num_gangs\\(200\\) num_workers\\(200\\) vector_length\\(64\\) \\\] async\\(1\\) wait\\(1\\) num_gangs\\(1\\) num_workers\\(1\\) vector_length\\(1\\)" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "oacc_kernels async\\(-1\\)" 1 "omplower" } }
+! { dg-final { scan-tree-dump-times "oacc_parallel device_type\\(\\*\\) \\\[ async\\(10\\) wait\\(10\\) num_gangs\\(10\\) num_workers\\(10\\) vector_length\\(10\\) \\\] device_type\\(nvidia\\) \\\[ async\\(3\\) wait\\(3\\) num_gangs\\(300\\) num_workers\\(300\\) vector_length\\(128\\) \\\] async\\(1\\) wait\\(1\\) num_gangs\\(1\\) num_workers\\(1\\) vector_length\\(1\\)" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "oacc_kernels async\\(1\\) wait\\(1\\)" 1 "omplower" } }
+! { dg-final { scan-tree-dump-times "oacc_parallel device_type\\(\\*\\) \\\[ async\\(10\\) wait\\(10\\) num_gangs\\(10\\) num_workers\\(10\\) vector_length\\(10\\) \\\] device_type\\(nvidia_ptx\\) \\\[ async\\(3\\) wait\\(3\\) num_gangs\\(300\\) num_workers\\(300\\) vector_length\\(128\\) \\\] async\\(1\\) wait\\(1\\) num_gangs\\(1\\) num_workers\\(1\\) vector_length\\(1\\)" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "oacc_kernels async\\(2\\) wait\\(2\\)" 1 "omplower" } }
+! { dg-final { scan-tree-dump-times "oacc_kernels device_type\\(nvidia\\) \\\[ async\\(-1\\) \\\]" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "oacc_kernels async\\(0\\) wait\\(0\\)" 1 "omplower" } }
+! { dg-final { scan-tree-dump-times "oacc_kernels device_type\\(nvidia\\) \\\[ async\\(1\\) wait\\(1\\) \\\]" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "acc loop private\\(i1\\) tile\\(1\\) gang private\\(i1\\.1\\)" 1 "omplower" } }
+! { dg-final { scan-tree-dump-times "oacc_kernels device_type\\(\\*\\) \\\[ async\\(0\\) wait\\(0\\) \\\] device_type\\(nvidia\\) \\\[ async\\(2\\) wait\\(2\\) \\\]" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "acc loop private\\(i1\\) tile\\(1\\) gang private\\(i1\\.2\\)" 1 "omplower" } }
+! { dg-final { scan-tree-dump-times "oacc_kernels device_type\\(\\*\\) \\\[ async\\(0\\) wait\\(0\\) \\\] device_type\\(nvidia_ptx\\) \\\[ async\\(1\\) wait\\(1\\) \\\] async\\(-1\\)" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "acc loop private\\(i1\\) seq private\\(i1\\.3\\)" 1 "omplower" } }
+! { dg-final { scan-tree-dump-times "acc loop device_type\\(nvidia\\) \\\[ tile\\(1\\) gang \\\] private\\(i1\\) private\\(i1\\.1\\)" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "acc loop private\\(i2\\) collapse\\(1\\) worker" 2 "omplower" } }
+! { dg-final { scan-tree-dump-times "acc loop device_type\\(\\*\\) \\\[ seq \\\] device_type\\(nvidia\\) \\\[ tile\\(1\\) gang \\\] private\\(i1\\) private\\(i1\\.2\\)" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "acc loop private\\(i3\\) vector" 2 "omplower" } }
+! { dg-final { scan-tree-dump-times "acc loop device_type\\(nvidia\\) \\\[ collapse\\(1\\) worker \\\] private\\(i2\\)" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "acc loop private\\(i4\\) auto" 2 "omplower" } }
+! { dg-final { scan-tree-dump-times "acc loop device_type\\(nvidia\\) \\\[ vector \\\] private\\(i3\\)" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "acc loop private\\(i4\\)" 3 "omplower" } }
+! { dg-final { scan-tree-dump-times "acc loop device_type\\(nvidia\\) \\\[ auto \\\] private\\(i4\\)" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "acc loop private\\(i5\\)" 3 "omplower" } }
+! { dg-final { scan-tree-dump-times "acc loop device_type\\(nvidia\\) \\\[ \\\] private\\(i5\\)" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "acc loop private\\(i6\\) seq" 3 "omplower" } }
+! { dg-final { scan-tree-dump-times "acc loop device_type\\(nvidia\\) \\\[ seq \\\] private\\(i6\\)" 2 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "acc loop private\\(i2\\) seq" 1 "omplower" } }
+! { dg-final { scan-tree-dump-times "acc loop device_type\\(\\*\\) \\\[ seq \\\] device_type\\(nvidia\\) \\\[ collapse\\(1\\) worker \\\] private\\(i2\\)" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "acc loop private\\(i4\\) seq" 1 "omplower" } }
+! { dg-final { scan-tree-dump-times "acc loop device_type\\(\\*\\) \\\[ seq \\\] device_type\\(nvidia\\) \\\[ auto \\\] private\\(i4\\)" 1 "omplower" } }
 
-! { dg-final { scan-tree-dump-times "acc loop private\\(i5\\) seq" 1 "omplower" } }
+! { dg-final { scan-tree-dump-times "acc loop device_type\\(\\*\\) \\\[ seq \\\] device_type\\(nvidia\\) \\\[ \\\] private\\(i5\\)" 1 "omplower" } }
diff --git a/gcc/testsuite/gfortran.dg/goacc/dtype-2.f95 b/gcc/testsuite/gfortran.dg/goacc/dtype-2.f95
index 0d96e37..6405749 100644
--- a/gcc/testsuite/gfortran.dg/goacc/dtype-2.f95
+++ b/gcc/testsuite/gfortran.dg/goacc/dtype-2.f95
@@ -1,11 +1,12 @@
 ! { dg-do compile }
+! { dg-prune-output "sorry, unimplemented: device_type clause is not supported yet" }
 
 program dtype
   integer i1, i2, i3, i4, i5, i6
 
 !! ACC PARALLEL DEVICE_TYPE:
 
-!$acc parallel device_type (nVidia) async (1) num_gangs (100) &
+!$acc parallel device_type (nvidia) async (1) num_gangs (100) &
 !$acc&  num_workers (100) vector_length (32) wait (1) copy (i1)
 !$acc end parallel
 
@@ -17,7 +18,7 @@ program dtype
 !! ACC LOOP DEVICE_TYPE:
 
 !$acc parallel
-!$acc loop dtype (nVidia) gang tile (1) private (i1)
+!$acc loop dtype (nvidia) gang tile (1) private (i1)
   do i1 = 1, 10
   end do
 !$acc end parallel
@@ -28,12 +29,12 @@ program dtype
 
 end program dtype
 
-! { dg-error "Unclassifiable OpenACC directive" "" { target *-*-* } 8 }
-! { dg-error "Unexpected" "" { target *-*-* } 10 }
+! { dg-error "Unclassifiable OpenACC directive" "" { target *-*-* } 9 }
+! { dg-error "Unexpected" "" { target *-*-* } 11 }
 
-! { dg-error "Unclassifiable OpenACC directive" "" { target *-*-* } 14 }
-! { dg-error "Unexpected" "" { target *-*-* } 15 }
+! { dg-error "Unclassifiable OpenACC directive" "" { target *-*-* } 15 }
+! { dg-error "Unexpected" "" { target *-*-* } 16 }
 
-! { dg-error "Unclassifiable OpenACC directive" "" { target *-*-* } 20 }
+! { dg-error "Unclassifiable OpenACC directive" "" { target *-*-* } 21 }
 
-! { dg-error "Unclassifiable OpenACC directive" "" { target *-*-* } 27 }
+! { dg-error "Unclassifiable OpenACC directive" "" { target *-*-* } 28 }
diff --git a/gcc/testsuite/gfortran.dg/goacc/dtype-3.f b/gcc/testsuite/gfortran.dg/goacc/dtype-3.f
index 2b2d45f..dd82c78 100644
--- a/gcc/testsuite/gfortran.dg/goacc/dtype-3.f
+++ b/gcc/testsuite/gfortran.dg/goacc/dtype-3.f
@@ -1,4 +1,5 @@
 ! { dg-do compile }
+! { dg-prune-output "sorry, unimplemented: device_type clause is not supported yet" }
 
       IMPLICIT NONE
 
diff --git a/gcc/tree-pretty-print.c b/gcc/tree-pretty-print.c
index 4b410a3..00fcee5 100644
--- a/gcc/tree-pretty-print.c
+++ b/gcc/tree-pretty-print.c
@@ -798,6 +798,15 @@ dump_omp_clause (pretty_printer *pp, tree clause, int spc, int flags)
 			 spc, flags, false);
       pp_right_paren (pp);
       break;
+    case OMP_CLAUSE_DEVICE_TYPE:
+      pp_string (pp, "device_type(");
+      dump_generic_node (pp, OMP_CLAUSE_DEVICE_TYPE_DEVICES (clause),
+			 spc, flags, false);
+      pp_string (pp, ") [");
+      dump_omp_clauses (pp, OMP_CLAUSE_DEVICE_TYPE_CLAUSES (clause),
+			spc, flags);
+      pp_string (pp, " ]");
+      break;
 
     default:
       /* Should never happen.  */
diff --git a/gcc/tree.c b/gcc/tree.c
index e67315a..ff533a3 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -11401,6 +11401,11 @@ walk_tree_1 (tree *tp, walk_tree_fn func, void *data,
 	case OMP_CLAUSE_TILE:
 	  WALK_SUBTREE_TAIL (OMP_CLAUSE_CHAIN (*tp));
 
+	case OMP_CLAUSE_DEVICE_TYPE:
+	  WALK_SUBTREE (OMP_CLAUSE_DEVICE_TYPE_DEVICES (*tp));
+	  WALK_SUBTREE (OMP_CLAUSE_DEVICE_TYPE_CLAUSES (*tp));
+	  WALK_SUBTREE_TAIL (OMP_CLAUSE_CHAIN (*tp));
+
 	case OMP_CLAUSE_LASTPRIVATE:
 	  WALK_SUBTREE (OMP_CLAUSE_DECL (*tp));
 	  WALK_SUBTREE (OMP_CLAUSE_LASTPRIVATE_STMT (*tp));

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