* 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.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@216220 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 31 insertions, 6 deletions

diff --git a/gcc/c/c-parser.c b/gcc/c/c-parser.c
index 346448a149d..fa146de35d0 100644
--- a/gcc/c/c-parser.c
+++ b/gcc/c/c-parser.c
@@ -113,6 +113,16 @@ c_parse_init (void)
       C_IS_RESERVED_WORD (id) = 1;
       ridpointers [(int) c_common_reswords[i].rid] = id;
     }
+
+  for (i = 0; i < NUM_INT_N_ENTS; i++)
+    {
+      /* We always create the symbols but they aren't always supported.  */
+      char name[50];
+      sprintf (name, "__int%d", int_n_data[i].bitsize);
+      id = get_identifier (xstrdup (name));
+      C_SET_RID_CODE (id, RID_FIRST_INT_N + i);
+      C_IS_RESERVED_WORD (id) = 1;
+    }
 }
 
 /* The C lexer intermediates between the lexer in cpplib and c-lex.c
@@ -483,7 +493,6 @@ c_token_starts_typename (c_token *token)
 	{
 	case RID_UNSIGNED:
 	case RID_LONG:
-	case RID_INT128:
 	case RID_SHORT:
 	case RID_SIGNED:
 	case RID_COMPLEX:
@@ -511,6 +520,10 @@ c_token_starts_typename (c_token *token)
 	case RID_AUTO_TYPE:
 	  return true;
 	default:
+	  if (token->keyword >= RID_FIRST_INT_N
+	      && token->keyword < RID_FIRST_INT_N + NUM_INT_N_ENTS
+	      && int_n_enabled_p[token->keyword - RID_FIRST_INT_N])
+	    return true;
 	  return false;
 	}
     case CPP_LESS:
@@ -641,7 +654,6 @@ c_token_starts_declspecs (c_token *token)
 	case RID_THREAD:
 	case RID_UNSIGNED:
 	case RID_LONG:
-	case RID_INT128:
 	case RID_SHORT:
 	case RID_SIGNED:
 	case RID_COMPLEX:
@@ -670,6 +682,10 @@ c_token_starts_declspecs (c_token *token)
 	case RID_AUTO_TYPE:
 	  return true;
 	default:
+	  if (token->keyword >= RID_FIRST_INT_N
+	      && token->keyword < RID_FIRST_INT_N + NUM_INT_N_ENTS
+	      && int_n_enabled_p[token->keyword - RID_FIRST_INT_N])
+	    return true;
 	  return false;
 	}
     case CPP_LESS:
@@ -2158,7 +2174,7 @@ c_parser_static_assert_declaration_no_semi (c_parser *parser)
    type-specifier:
      typeof-specifier
      __auto_type
-     __int128
+     __intN
      _Decimal32
      _Decimal64
      _Decimal128
@@ -2312,7 +2328,6 @@ c_parser_declspecs (c_parser *parser, struct c_declspecs *specs,
 	  /* Fall through.  */
 	case RID_UNSIGNED:
 	case RID_LONG:
-	case RID_INT128:
 	case RID_SHORT:
 	case RID_SIGNED:
 	case RID_COMPLEX:
@@ -2328,6 +2343,10 @@ c_parser_declspecs (c_parser *parser, struct c_declspecs *specs,
 	case RID_FRACT:
 	case RID_ACCUM:
 	case RID_SAT:
+	case RID_INT_N_0:
+	case RID_INT_N_1:
+	case RID_INT_N_2:
+	case RID_INT_N_3:
 	  if (!typespec_ok)
 	    goto out;
 	  attrs_ok = true;
@@ -3738,7 +3757,6 @@ c_parser_attribute_any_word (c_parser *parser)
 	case RID_STATIC:
 	case RID_UNSIGNED:
 	case RID_LONG:
-	case RID_INT128:
 	case RID_CONST:
 	case RID_EXTERN:
 	case RID_REGISTER:
@@ -3768,6 +3786,10 @@ c_parser_attribute_any_word (c_parser *parser)
 	case RID_TRANSACTION_CANCEL:
 	case RID_ATOMIC:
 	case RID_AUTO_TYPE:
+	case RID_INT_N_0:
+	case RID_INT_N_1:
+	case RID_INT_N_2:
+	case RID_INT_N_3:
 	  ok = true;
 	  break;
 	default:
@@ -8992,7 +9014,6 @@ c_parser_objc_selector (c_parser *parser)
     case RID_ALIGNOF:
     case RID_UNSIGNED:
     case RID_LONG:
-    case RID_INT128:
     case RID_CONST:
     case RID_SHORT:
     case RID_VOLATILE:
@@ -9013,6 +9034,10 @@ c_parser_objc_selector (c_parser *parser)
     case RID_BOOL:
     case RID_ATOMIC:
     case RID_AUTO_TYPE:
+    case RID_INT_N_0:
+    case RID_INT_N_1:
+    case RID_INT_N_2:
+    case RID_INT_N_3:
       c_parser_consume_token (parser);
       return value;
     default: