gcc/gcc ChangeLog c-common.c c-common.def c-co ...

Wed Jun 16 01:21:00 GMT 2004

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2004-06-16 01:21:39

Modified files:
	gcc            : ChangeLog c-common.c c-common.def c-common.h 
	                 c-decl.c c-dump.c c-gimplify.c c-lang.c 
	                 c-mudflap.c c-objc-common.c c-parse.in 
	                 c-pretty-print.c c-semantics.c c-tree.h 
	                 c-typeck.c fold-const.c gimplify.c 
	                 langhooks-def.h langhooks.c langhooks.h 
	                 stub-objc.c tree-gimple.h tree-inline.c 
	                 tree-iterator.c tree-iterator.h 
	                 tree-pretty-print.c 
	gcc/cp         : ChangeLog call.c cp-gimplify.c cp-lang.c 
	                 cp-mudflap.c cp-tree.h decl.c decl2.c except.c 
	                 init.c method.c name-lookup.c name-lookup.h 
	                 parser.c pt.c semantics.c typeck2.c 
	gcc/objc       : objc-act.c objc-lang.c 
	gcc/testsuite  : ChangeLog 
	gcc/testsuite/g++.dg/ext: stmtexpr1.C 
	gcc/testsuite/gcc.dg: 20030612-1.c 

Log message:
	* c-common.c (lang_gimplify_stmt): Remove next_p argument.
	(if_elt, if_stack, if_stack_space, c_expand_start_cond, c_finish_then,
	c_expand_end_cond, c_expand_start_else, c_finish_else, c_begin_if_stmt,
	c_begin_while_stmt, c_finish_while_stmt_cond): Move to c-typeck.c.
	(finish_fname_decls, fname_decl): Use statement_lists.
	(c_expand_expr_stmt): Don't set last_expr_type.
	(c_type_hash): Fix indentation.
	(c_safe_from_p): Don't follow TREE_CHAIN.
	(c_tree_chain_matters_p): Remove.
	* c-common.def (SCOPE_STMT): Remove.
	(CLEANUP_STMT): Redefine to contain its own body.
	* c-common.h (struct stmt_tree_s): Remove x_last_stmt,
	x_last_expr_type, x_last_expr_filename, x_scope_stmt_stack.
	Add x_cur_stmt_list.
	(last_tree, last_expr_type, last_expr_filename, RECHAIN_STMTS): Remove.
	(cur_stmt_list): New.
	(STATEMENT_LIST_STMT_EXPR): New.
	(SCOPE_BEGIN_P, SCOPE_END_P, SCOPE_STMT_BLOCK, SCOPE_NULLIFIED_P,
	SCOPE_NO_CLEANUPS_P, SCOPE_PARTIAL_P, NEW_FOR_SCOPE_P): Remove.
	(CLEANUP_BODY): New.
	(CLEANUP_DECL): Move to operand 2.
	(c_common_stmt_codes): Remove SCOPE_STMT.
	(COMPOUND_STMT_NO_SCOPE, COMPOUND_STMT_BODY_BLOCK): Remove.
	* c-decl.c (c_scope_stmt_stack, current_scope_stmt_stack): Remove.
	(c_push_function_context, c_pop_function_context): Don't save it.
	(finish_decl): Set TREE_USED on the decl for a cleanup.
	Use push_cleanup.
	(store_parm_decls): Use statement lists.
	(finish_function): Remove compstmt rule workaround.  Use statement
	lists.  Call finish_fname_decls after finalizing the body.
	(c_begin_compound_stmt): Move to c-typeck.c.
	* c-dump.c (c_dump_tree): Remove SCOPE_STMT.
	* c-gimplify.c (gimplify_cleanup_stmt, gimplify_cleanup_stmts): New.
	(c_genericize): Invoke them.
	(c_gimplify_stmt): Don't look through TREE_CHAIN.  Kill SCOPE_STMT.
	(c_build_bind_expr): Export.
	(gimplify_block, gimplify_cleanup): Remove.
	(gimplify_condition): Use gimplify_stmt.
	(gimplify_for_stmt): Remove FOR_INIT_STMT chaining hack.
	(gimplify_if_stmt): Remove recursion hack.
	(c_gimplify_expr): Remove STMT_EXPR handling.
	(stmt_expr_last_stmt, gimplify_stmt_expr): Remove.
	(is_last_stmt_of_scope): Remove.
	* c-lang.c (LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P): Remove.
	* c-mudflap.c (mflang_flush_calls): Use c_begin_compound_stmt,
	c_end_compound_stmt.
	* c-objc-common.c (build_cdtor): Likewise.
	* c-parse.in (primary): Use c_finish_stmt_expr.
	(push_scope, pop_scope): Remove.
	(c99_block_start, compstmt_start): Use c_begin_compound_stmt.
	(c99_block_end, compstmt): Use c_end_compound_stmt.
	(c99_block_lineno_labeled_stmt): Likewise.
	(compstmt_primary_start): Use c_begin_stmt_expr.
	(simple_if, select_or_iter_stmt): Update calls to stmt builders.
	(do_stmt_start): Fill in body directly.
	(lineno_stmt): Avoid setting lineno on constants.
	* c-pretty-print.c (pp_c_statement): Handle STATEMENT_LIST.
	Remove SCOPE_STMT.
	* c-semantics.c (begin_stmt_tree): Remove.
	(push_stmt_list, re_push_stmt_list, pop_stmt_list): New.
	(add_stmt): Use statement lists.
	(add_scope_stmt, finish_stmt_tree): Remove.
	(push_cleanup): New.
	* c-tree.h: Move some decls from c-common.h.
	* c-typeck.c (c_tree_expr_nonnegative_p): Simplify for statement lists.
	(do_case, c_finish_case): Likewise.
	(c_finish_then): Take body for then as argument.
	(c_finish_else): Similarly.
	(c_begin_for_stmt, c_finish_for_stmt_init, c_finish_for_stmt_cond,
	c_finish_for_stmt_incr, c_finish_for_stmt): New.
	(c_begin_stmt_expr, c_finish_stmt_expr): New.
	(c_begin_compound_stmt): Do scope management.
	(c_end_compound_stmt): New.
	* fold-const.c (tree_expr_nonnegative_p): Fix BIND_EXPR.
	* gimplify.c (voidify_wrapper_expr): Accept temporary argument.
	Look through exception handling constructs.
	(gimplify_bind_expr): Accept temporary argument.
	(gimplify_target_expr): Special case BIND_EXPR bodies.
	(gimplify_expr): Handle fallback == fb_none like a statement.
	* langhooks-def.h (LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P): Kill.
	* langhooks.c (lhd_tree_inlining_tree_chain_matters_p): Remove.
	* langhooks.h (tree_chain_matters_p): Remove.
	* stub-objc.c (objc_clear_super_receiver): New.
	* tree-gimple.h (voidify_wrapper_expr): Update decl.
	(append_to_statement_list, append_to_statement_list_force): Move
	to tree-iterator.h.
	* tree-inline.c (expand_call_inline): Update call.
	(clone_body): Use statement lists.
	(walk_tree): Don't check tree_chain_matters_p.
	(copy_tree_r): Likewise.
	* tree-iterator.c (alloc_stmt_list): Clear lang bits.
	(tsi_link_before, tsi_link_after): Set TREE_SIDE_EFFECTS properly.
	* tree-iterator.h (append_to_statement_list,
	append_to_statement_list_force): Moved from tree-gimple.h.
	* tree-pretty-print.c (dump_generic_node): Clean up TARGET_EXPR dump.
	* objc/objc-act.c (build_module_descriptor): Use c_begin_compound_stmt.
	(objc_enter_block): Likewise.
	(objc_exit_block): Use c_end_compound_stmt.
	(objc_build_try_enter_fragment): Add #error and comment for
	rewriting for OBJCPLUS.
	(objc_build_extract_fragment, objc_build_try_epilogue,
	objc_build_catch_stmt, objc_build_finally_prologue,
	objc_build_finally_epilogue): Update for C statement builders.
	* objc/objc-lang.c (LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P):
	Remove.
	cp/
	* call.c (initialize_reference): Don't build CLEANUP_STMT here.
	* cp-gimplify.c (cp_gimplify_stmt): Remove next_p argument.
	(genericize_try_block): Use gimplify_stmt.
	(genericize_catch_block, genericize_eh_spec_block): Likewise.
	(cp_gimplify_init_expr): Remove STMT_EXPR special case.
	(gimplify_must_not_throw_expr): Update voidify_wrapper_expr call.
	* cp-lang.c (LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P): Remove.
	(cp_tree_chain_matters_p): Remove.
	* cp-tree.h (COMPOUND_STMT_TRY_BLOCK): New.
	(COMPOUND_STMT_BODY_BLOCK): New.
	(STATEMENT_LIST_NO_SCOPE, STATEMENT_LIST_TRY_BLOCK): New.
	(EXPR_STMT_STMT_EXPR_RESULT): New.
	(building_stmt_tree): Check cur_stmt_list.
	(tf_stmt_expr_cmpd, tf_stmt_expr_body): Remove.
	(BCS_NO_SCOPE, BCS_TRY_BLOCK, BCS_FN_BODY): New.
	* decl.c (poplevel): Use pop_stmt_list for minding cleanups.
	(cp_finish_decl): Use push_cleanup.
	(start_function, finish_function): Use statement lists.
	(finish_stmt): Do nothing.
	* except.c (begin_eh_spec_block): Use statement lists.
	(check_handlers_1, check_handlers): Likewise.
	* init.c (construct_virtual_base): Don't add extra compound stmts.
	(build_vec_init): Likewise.
	* name-lookup.c (maybe_push_cleanup_level): Use statement lists.
	* name-lookup.h (struct cp_binding_level): Add statement_list.
	* parser.c (cp_parser_statement): Take the STMT_EXPR node, not a bool.
	(cp_parser_labeled_statement, cp_parser_expression_statement,
	cp_parser_statement_seq_opt): Likewise.
	(cp_parser_compound_statement): Likewise.  Take bool for try block.
	(cp_parser_selection_statement): Tidy if processing.
	(cp_parser_already_scoped_statement): Rewrite to do what it says.
	* pt.c (tsubst_copy): Move STMT_EXPR to tsubst_expr.
	(tsubst_expr): Rewrite STMT_EXPR processing.  Handle STATEMENT_LIST.
	Mind COMPOUND_STMT_TRY_BLOCK, EXPR_STMT_STMT_EXPR_RESULT.
	* semantics.c (do_poplevel, do_pushlevel): Use statement lists.
	(finish_cond): New, rewritten from FINISH_COND.
	(simplify_loop_decl_cond): New.
	(finish_expr_stmt): Avoid nested EXPR_STMTs.
	(begin_if_stmt, finish_if_stmt_cond, finish_then_clause,
	begin_else_clause, finish_else_clause, finish_if_stmt,
	begin_while_stmt, finish_while_stmt_cond, finish_while_stmt,
	begin_do_stmt, finish_do_body, begin_for_stmt, finish_for_init_stmt,
	finish_for_cond, finish_for_stmt, begin_switch_stmt,
	finish_switch_cond, finish_switch_stmt, begin_try_block,
	finish_try_block, finish_cleanup_try_block, finish_function_try_block,
	finish_handler_sequence, finish_function_handler_sequence,
	begin_handler, finish_handler_parms, finish_handler,
	begin_stmt_expr, finish_stmt_expr_expr, finish_stmt_expr): Rewrite
	using statement lists.
	(begin_compound_stmt): Replace has_no_scope argument with flags.
	Update all callers.  Use statement lists.
	(finish_compound_stmt): Likewise.
	(finish_decl_cleanup, finish_eh_cleanup): Use push_cleanup.
	(current_scope_stmt_stack): Remove.
	(simplify_aggr_init_expr): Don't muck with TREE_CHAIN.
	* typeck2.c (split_nonconstant_init_1, split_nonconstant_init):
	Rewrite with statement lists.
	testsuite/
	* g++.dg/ext/stmtexpr1.C: XFAIL.
	* gcc.dg/20030612-1.c: XFAIL.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.3987&r2=2.3988
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-common.c.diff?cvsroot=gcc&r1=1.511&r2=1.512
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-common.def.diff?cvsroot=gcc&r1=1.15&r2=1.16
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-common.h.diff?cvsroot=gcc&r1=1.230&r2=1.231
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-decl.c.diff?cvsroot=gcc&r1=1.508&r2=1.509
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-dump.c.diff?cvsroot=gcc&r1=1.18&r2=1.19
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-gimplify.c.diff?cvsroot=gcc&r1=2.4&r2=2.5
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-lang.c.diff?cvsroot=gcc&r1=1.125&r2=1.126
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-mudflap.c.diff?cvsroot=gcc&r1=2.1&r2=2.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-objc-common.c.diff?cvsroot=gcc&r1=1.46&r2=1.47
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-parse.in.diff?cvsroot=gcc&r1=1.209&r2=1.210
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-pretty-print.c.diff?cvsroot=gcc&r1=1.42&r2=1.43
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-semantics.c.diff?cvsroot=gcc&r1=1.81&r2=1.82
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-tree.h.diff?cvsroot=gcc&r1=1.149&r2=1.150
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-typeck.c.diff?cvsroot=gcc&r1=1.314&r2=1.315
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.396&r2=1.397
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gimplify.c.diff?cvsroot=gcc&r1=2.15&r2=2.16
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/langhooks-def.h.diff?cvsroot=gcc&r1=1.77&r2=1.78
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/langhooks.c.diff?cvsroot=gcc&r1=1.63&r2=1.64
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/langhooks.h.diff?cvsroot=gcc&r1=1.83&r2=1.84
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/stub-objc.c.diff?cvsroot=gcc&r1=2.2&r2=2.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-gimple.h.diff?cvsroot=gcc&r1=2.5&r2=2.6
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-inline.c.diff?cvsroot=gcc&r1=1.106&r2=1.107
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-iterator.c.diff?cvsroot=gcc&r1=2.2&r2=2.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-iterator.h.diff?cvsroot=gcc&r1=2.1&r2=2.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-pretty-print.c.diff?cvsroot=gcc&r1=2.7&r2=2.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&r1=1.4101&r2=1.4102
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/call.c.diff?cvsroot=gcc&r1=1.480&r2=1.481
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/cp-gimplify.c.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/cp-lang.c.diff?cvsroot=gcc&r1=1.79&r2=1.80
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/cp-mudflap.c.diff?cvsroot=gcc&r1=1.2&r2=1.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/cp-tree.h.diff?cvsroot=gcc&r1=1.976&r2=1.977
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/decl.c.diff?cvsroot=gcc&r1=1.1217&r2=1.1218
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/decl2.c.diff?cvsroot=gcc&r1=1.714&r2=1.715
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/except.c.diff?cvsroot=gcc&r1=1.168&r2=1.169
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/init.c.diff?cvsroot=gcc&r1=1.373&r2=1.374
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/method.c.diff?cvsroot=gcc&r1=1.284&r2=1.285
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/name-lookup.c.diff?cvsroot=gcc&r1=1.59&r2=1.60
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/name-lookup.h.diff?cvsroot=gcc&r1=1.20&r2=1.21
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/parser.c.diff?cvsroot=gcc&r1=1.206&r2=1.207
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/pt.c.diff?cvsroot=gcc&r1=1.862&r2=1.863
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/semantics.c.diff?cvsroot=gcc&r1=1.396&r2=1.397
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/typeck2.c.diff?cvsroot=gcc&r1=1.159&r2=1.160
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/objc/objc-act.c.diff?cvsroot=gcc&r1=1.218&r2=1.219
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/objc/objc-lang.c.diff?cvsroot=gcc&r1=1.43&r2=1.44
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.3862&r2=1.3863
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/ext/stmtexpr1.C.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/20030612-1.c.diff?cvsroot=gcc&r1=1.2&r2=1.3