diff options
Diffstat (limited to 'gcc/cp/parser.c')
| -rw-r--r-- | gcc/cp/parser.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c index 063d2ac..dd02734 100644 --- a/gcc/cp/parser.c +++ b/gcc/cp/parser.c @@ -5627,6 +5627,7 @@ cp_parser_postfix_expression (cp_parser *parser, bool address_p, bool cast_p, cp_id_kind idk = CP_ID_KIND_NONE; tree postfix_expression = NULL_TREE; bool is_member_access = false; + int saved_in_statement = -1; /* Peek at the next token. */ token = cp_lexer_peek_token (parser->lexer); @@ -5771,6 +5772,66 @@ cp_parser_postfix_expression (cp_parser *parser, bool address_p, bool cast_p, } break; + case RID_CILK_SPAWN: + { + cp_lexer_consume_token (parser->lexer); + token = cp_lexer_peek_token (parser->lexer); + if (token->type == CPP_SEMICOLON) + { + error_at (token->location, "%<_Cilk_spawn%> must be followed by " + "an expression"); + postfix_expression = error_mark_node; + break; + } + else if (!current_function_decl) + { + error_at (token->location, "%<_Cilk_spawn%> may only be used " + "inside a function"); + postfix_expression = error_mark_node; + break; + } + else + { + /* Consecutive _Cilk_spawns are not allowed in a statement. */ + saved_in_statement = parser->in_statement; + parser->in_statement |= IN_CILK_SPAWN; + } + cfun->calls_cilk_spawn = 1; + postfix_expression = + cp_parser_postfix_expression (parser, false, false, + false, false, &idk); + if (saved_in_statement & IN_CILK_SPAWN) + { + error_at (token->location, "consecutive %<_Cilk_spawn%> keywords " + "are not permitted"); + postfix_expression = error_mark_node; + cfun->calls_cilk_spawn = 0; + } + else + { + postfix_expression = build_cilk_spawn (token->location, + postfix_expression); + if (postfix_expression != error_mark_node) + SET_EXPR_LOCATION (postfix_expression, input_location); + parser->in_statement = parser->in_statement & ~IN_CILK_SPAWN; + } + break; + } + + case RID_CILK_SYNC: + if (flag_enable_cilkplus) + { + tree sync_expr = build_cilk_sync (); + SET_EXPR_LOCATION (sync_expr, + cp_lexer_peek_token (parser->lexer)->location); + finish_expr_stmt (sync_expr); + } + else + error_at (input_location, "_Cilk_sync cannot be used without enabling " + "Cilk Plus"); + cp_lexer_consume_token (parser->lexer); + break; + case RID_BUILTIN_SHUFFLE: { vec<tree, va_gc> *vec; |