machmode.h (int_n_data_t): New.

	* machmode.h (int_n_data_t): New.
	(int_n_enabled_p): New.
	(int_n_data): New.
	* tree.c (int_n_enabled_p): New.
	(int_n_trees): New.
	(make_or_reuse_type): Check for all __intN types, not just
	__int128.
	(build_common_tree_nodes): Likewise.  Also fill in integer_typs[]
	entries.
	* tree.h (int128_integer_type_node): Remove.
	(int128_unsigned_type_node): Remove.
	(int_n_trees_t): New.
	(int_n_enabled_p): New.
	(int_n_trees): New.
	* toplev.c (standard_type_bitsize): New.
	(do_compile): Check which __intN types are enabled for the current
	run.
	* builtin-types.def (BT_INT128): Remove.
	(BT_UINT128): Remove.
	* machmode.def: Add macro to create __int128 for all targets.
	* stor-layout.c (mode_for_size): Support __intN types.
	(smallest_mode_for_size): Likewise.
	(initialize_sizetypes): Support __intN types.
	* genmodes.c (struct mode_data): Add int_n field.
	(blank_mode): Likewise.
	(INT_N): New.
	(make_int_n): New.
	(emit_insn_modes_h): Count __intN entries and define
	NUM_INT_N_ENTS.
	(emit_mode_int_n): New.
	(emit_insn_modes_c): Call it.
	* gimple.c (gimple_signed_or_unsigned_type): Check for all __intN
	types, not just __int128.
	* tree-core.h (integer_type_kind): Remove __int128-specific
	entries, reserve spots for __intN entries.

libstdc++-v3/
	* src/c++11/limits.cc: Add support for __intN types.
	* include/std/type_traits: Likewise.
	* include/std/limits: Likewise.
	* include/c_std/cstdlib: Likewise.
	* include/bits/cpp_type_traits.h: Likewise.
	* include/c_global/cstdlib: Likewise.

c-family/
	* c-pretty-print.c (pp_c_integer_constant): Check for all __intN
	types, not just __int128.
	* c-cppbuiltin.c (c_cpp_builtins): Add builtins for all __intN
	types, not just __int128.
	(cpp_atomic_builtins): Round pointer sizes up.
	(type_suffix): Use type precision, not specific types.
	* c-common.c (c_common_reswords): Remove __int128 special case.
	(c_common_type_for_size): Check for all __intN types, not just
	__int128.
	(c_common_type_for_mode): Likewise.
	(c_common_signed_or_unsigned_type): Likewise.
	(c_build_bitfield_integer_type): Likewise.
	(c_common_nodes_and_builtins): Likewise.
	(keyword_begins_type_specifier): Likewise.
	* c-common.h (rid): Remove RID_INT128 and add RID_INT_N_* for all
	__intN variants.

c/
	* c-parser.c (c_parse_init): Add RID entries for each __intN.
	(c_token_starts_typename): Check all __intN, not just __int128.
	(c_token_starts_declspecs): Likewise.
	(c_parser_declspecs): Likewise.
	(c_parser_attribute_any_word): Likewise.
	(c_parser_objc_selector): Likewise.
	* c-tree.h (c_typespec_keyword): cts_int128 -> cts_int_n.
	(struct c_declspecs): Add int_n_idx field to record *which* __intN
	is specified.
	* c-decl.c (declspecs_add_type): Check for all __intN, not just
	__int128.
	(finish_declspecs): Likewise.

testsuite/
	* g++.dg/abi/mangle64.C: New.

cp/
	* typeck.c (cp_common_type): Check for all __intN types, not just
	__int128.
	* decl.c (grokdeclarator): Likewise.
	* rtti.c (emit_support_tinfos): Check for all __intN types, not just
	__int128.
	* parser.c (cp_lexer_next_token_is_decl_specifier_keyword): Check
	for all __intN types, not just __int128.
	(cp_parser_simple_type_specifier): Likewise.
	* mangle.c (integer_type_codes): Remove int128-specific codes.
	* cp-tree.h (cp_decl_specifier_seq): Add int_n_idx to store which
	__intN was specified.
	* lex.c (init_reswords): Reserve all __intN keywords.

lto/
	* lto-lang.c (lto_build_c_type_nodes): Check intN types for
	size-type as well.
	(lto_init): Initialize all intN types, not just int128.

From-SVN: r216220

1 files changed, 45 insertions, 15 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index 2f4d194..e703206 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -236,6 +236,9 @@ static void attribute_hash_list (const_tree, inchash::hash &);
 tree global_trees[TI_MAX];
 tree integer_types[itk_none];
 
+bool int_n_enabled_p[NUM_INT_N_ENTS];
+struct int_n_trees_t int_n_trees [NUM_INT_N_ENTS];
+
 unsigned char tree_contains_struct[MAX_TREE_CODES][64];
 
 /* Number of operands for each OpenMP clause.  */
@@ -9445,6 +9448,8 @@ make_vector_type (tree innertype, int nunits, enum machine_mode mode)
 static tree
 make_or_reuse_type (unsigned size, int unsignedp)
 {
+  int i;
+
   if (size == INT_TYPE_SIZE)
     return unsignedp ? unsigned_type_node : integer_type_node;
   if (size == CHAR_TYPE_SIZE)
@@ -9456,9 +9461,12 @@ make_or_reuse_type (unsigned size, int unsignedp)
   if (size == LONG_LONG_TYPE_SIZE)
     return (unsignedp ? long_long_unsigned_type_node
             : long_long_integer_type_node);
-  if (size == 128 && int128_integer_type_node)
-    return (unsignedp ? int128_unsigned_type_node
-            : int128_integer_type_node);
+
+  for (i = 0; i < NUM_INT_N_ENTS; i ++)
+    if (size == int_n_data[i].bitsize
+	&& int_n_enabled_p[i])
+      return (unsignedp ? int_n_trees[i].unsigned_type
+	      : int_n_trees[i].signed_type);
 
   if (unsignedp)
     return make_unsigned_type (size);
@@ -9574,6 +9582,8 @@ build_atomic_base (tree type, unsigned int align)
 void
 build_common_tree_nodes (bool signed_char, bool short_double)
 {
+  int i;
+
   error_mark_node = make_node (ERROR_MARK);
   TREE_TYPE (error_mark_node) = error_mark_node;
 
@@ -9601,17 +9611,20 @@ build_common_tree_nodes (bool signed_char, bool short_double)
   long_unsigned_type_node = make_unsigned_type (LONG_TYPE_SIZE);
   long_long_integer_type_node = make_signed_type (LONG_LONG_TYPE_SIZE);
   long_long_unsigned_type_node = make_unsigned_type (LONG_LONG_TYPE_SIZE);
-#if HOST_BITS_PER_WIDE_INT >= 64
-    /* TODO: This isn't correct, but as logic depends at the moment on
-       host's instead of target's wide-integer.
-       If there is a target not supporting TImode, but has an 128-bit
-       integer-scalar register, this target check needs to be adjusted. */
-    if (targetm.scalar_mode_supported_p (TImode))
-      {
-        int128_integer_type_node = make_signed_type (128);
-        int128_unsigned_type_node = make_unsigned_type (128);
-      }
-#endif
+
+  for (i = 0; i < NUM_INT_N_ENTS; i ++)
+    {
+      int_n_trees[i].signed_type = make_signed_type (int_n_data[i].bitsize);
+      int_n_trees[i].unsigned_type = make_unsigned_type (int_n_data[i].bitsize);
+      TYPE_SIZE (int_n_trees[i].signed_type) = bitsize_int (int_n_data[i].bitsize);
+      TYPE_SIZE (int_n_trees[i].unsigned_type) = bitsize_int (int_n_data[i].bitsize);
+
+      if (int_n_data[i].bitsize > LONG_LONG_TYPE_SIZE)
+	{
+	  integer_types[itk_intN_0 + i * 2] = int_n_trees[i].signed_type;
+	  integer_types[itk_unsigned_intN_0 + i * 2] = int_n_trees[i].unsigned_type;
+	}
+    }
 
   /* Define a boolean type.  This type only represents boolean values but
      may be larger than char depending on the value of BOOL_TYPE_SIZE.  */
@@ -9630,7 +9643,24 @@ build_common_tree_nodes (bool signed_char, bool short_double)
   else if (strcmp (SIZE_TYPE, "short unsigned int") == 0)
     size_type_node = short_unsigned_type_node;
   else
-    gcc_unreachable ();
+    {
+      int i;
+
+      size_type_node = NULL_TREE;
+      for (i = 0; i < NUM_INT_N_ENTS; i++)
+	if (int_n_enabled_p[i])
+	  {
+	    char name[50];
+	    sprintf (name, "__int%d unsigned", int_n_data[i].bitsize);
+
+	    if (strcmp (name, SIZE_TYPE) == 0)
+	      {
+		size_type_node = int_n_trees[i].unsigned_type;
+	      }
+	  }
+      if (size_type_node == NULL_TREE)
+	gcc_unreachable ();
+    }
 
   /* Fill in the rest of the sized types.  Reuse existing type nodes
      when possible.  */