From-SVN: r29150

	* Makefile.in (stor-layout.o): Depend on ggc.h.
	(expr.o): Depend on ggc.h.
	(profile.o): Depend on ggc.h.
	(stor-layout.o): Depend on ggc.h.
	* emit-rtl.c (init_emit_once): Add gc roots.
	* expr.c: Include ggc.h.
	(emit_block_move): Add gc roots.
	(clear_storage): Likewise.
	* expr.h (init_stor_layout_once): New function.
	* profile.c: Include ggc.h.
	(init_arc_profiler): profiler_label is a root.
	* scan.c (make_sstring_space): Trust xrealloc to function
	correctly with first parameter NULL.
	* stor-layout.c: Include ggc.h.
	(set_sizetype): Add gc root.
	(init_stor_layout_once): New function.
	* toplev.c (compile_file): Call it.

Co-Authored-By: Bernd Schmidt <bernds@cygnus.co.uk>
Co-Authored-By: Mark Mitchell <mark@codesourcery.com>

From-SVN: r29122

        * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
        * except.c (expand_rethrow): Remove unused variable.
        * expr.c (do_jump_by_parts_greater_rtx): Likewise.
        * flow.c (replace_insns): Likewise.
        (create_edge_list, verify_edge_list): Likewise.
        * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.

        * genemit.c (gen_expand): Only emit `operands[N]' decl if there
        is special code to run.
        (main): Don't define operands to emit_operand.
        * genrecog.c (main): Don't emit an empty peephole2_insn function.

        * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.

        * alpha/alpha.h (normal_memory_operand): Declare.
        (reg_no_subreg_operand): Declare.
        * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.

From-SVN: r29061

	* expr.c (expand_expr): Cope with COND_EXPRs with one
	non-returning branch.

From-SVN: r28825

	* expr.c (store_expr): Always pass down the target, even when not
	doing CSE.

From-SVN: r28824

        * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
        call.

From-SVN: r28818

From-SVN: r28752

Include function.h in most files.  Remove most of the global variables
duplicated in function.h.  Add accessor macros for them which access
current_function.  Delete INLINE_HEADER rtx and related code, replace
with code using struct function to store inlining related data.

From-SVN: r28626

	* expr.c (emit_group_load): Allow src to be a CONCAT.

From-SVN: r28546

From-SVN: r28511

	* expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
	tree for op1, not the rtl.

From-SVN: r28292

builtins.c (expand_builtin_saveregs): Remove static, remove exp and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.

        * builtins.c (expand_builtin_saveregs): Remove static, remove exp
        and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
        (expand_builtin_next_arg): Accept ARGLIST not EXP.
        (stabilize_va_list): New function.
        (std_expand_builtin_va_start): New function.
        (expand_builtin_va_start): New function.
        (get_varargs_alias_set): New function.
        (std_expand_builtin_va_arg): New function.
        (expand_builtin_va_arg): New function.
        (expand_builtin_va_end): New function.
        (expand_builtin_va_copy): New function.
        (expand_builtin): Call them.
        * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
        __builtin_{varargs_start,stdarg_start,end,copy}.
        (build_va_arg): New function.
        * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
        (build_va_arg): Declare.
        * c-decl.c (ptr_type_node, va_list_type_node): New.
        * c-parse.gperf (__builtin_va_arg): New.
        * c-parse.in (VA_ARG): New token.
        (unary_expr): Recognize it.
        * expr.c (expand_expr): Expand VA_ARG_EXPR.
        * expr.h (std_expand_builtin_va_start): Declare.
        (std_expand_builtin_va_arg): Declare.
        (expand_builtin_va_arg): Declare.
        (get_varargs_alias_set): Declare.
        * tree.def (VA_ARG_EXPR): New.
        * tree.h (BUILT_IN_VARARGS_START): New.
        (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
        (ptr_type_node, va_list_type_node): Declare.
        * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
        * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
        * m88k.h, m88k.c: Likewise.
        * mn10300.h, mn10300.c: Likewise.
        * pa.h, pa.c: Likewise.
        * rs6000.h, rs6000.c: Likewise.
        * sh.h, sh.c: Likewise.
        * sparc.h, sparc.c: Likewise.

        * emit-rtl.c (operand_subword): Copy alias set.
        (change_address): Likewise.

From-SVN: r28243

From-SVN: r28217

From-SVN: r28072

From-SVN: r28069

From-SVN: r28067

expr.c (expand_expr, [...]): Pass constants through immed_double_const to ensure they are properly truncated...

        * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
        immed_double_const to ensure they are properly truncated then
        sign extended.

From-SVN: r28066

        * expr.c (emit_block_move): Use copy_to_mode_reg for
        !TARGET_MEM_FUNCTIONS case too.

From-SVN: r27862

From-SVN: r27849

expr.c (emit_block_move): Properly handle case where one of the block move arguments has a queued...

�
        * expr.c (emit_block_move): Properly handle case where one of the
        block move arguments has a queued increment or decrement.
        (clear_storage): Similarly.  Fix formatting goof.

From-SVN: r27822

	* expr.c (expand_expr): Allow RTL_EXPR's through the
	MAX_INTEGER_COMPUTATION_MODE checks.

From-SVN: r27768

	* expr.c (expand_expr): STRIP_NOPS before checking against
	MAX_INTEGER_COMPUTATION_MODE
	(check_max_integer_computation_mode): Likewise.

From-SVN: r27715

	* expr.c (store_expr): When target is a promoted subreg, return a
	promoted subreg as a result.

From-SVN: r27705

	* tree.def (TYPE_NONCOPIED_PARTS): Revise documentation to match
        reality.
        * expr.c (init_noncopied_parts): Don't generate initializers for
        parts that don't need them.

From-SVN: r26969

From-SVN: r26897

	* emit-rtl.c (start_sequence): Expand comments.
	(start_sequence_for_rtl_expr): Likewise.
	(push_to_sequence): Likewise.
	(end_sequence): Likewise.
	* expr.c (inhibit_defer_pop): Likewise.
	* expr.h (inhibit_defer_pop): Likewise.
	(NO_DEFER_POP): Likewise.
	(OK_DEFER_POP): Likewise.

From-SVN: r26704

1999-04-27 08:32 -0400  Zack Weinberg  <zack@rabi.columbia.edu>
	* expr.c (emit_move_insn_1): Abort if MODE argument is invalid.
	(compare): Punt if TREE_OPERAND (exp, 0) is an ERROR_MARK.

From-SVN: r26673

function.c (put_var_into_stack): Change ptr_mode to Pmode in setup for chkr_set_right_libfunc calls.

        * function.c (put_var_into_stack): Change ptr_mode to Pmode
        in setup for chkr_set_right_libfunc calls.
        (assign_params): Likewise.
        * expr.c (emit_push_insn): Change ptr_mode to Pmode in
        setup for chkr_copy_bitmap_libfunc and chkr_set_right_libfunc calls.
        (expand_assignment): Change ptr_mode to Pmode in
        setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
        (store_expr): Change ptr_mode to Pmode in
        setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
        (expand_expr): Change ptr_mode to Pmode in
        setup for chkr_check_addr_libfunc.
        (expand_builtin): Change ptr_mode to Pmode in
        setup for chkr_check_str_libfunc, chkr_copy_bitmap_libfunc and
        chkr_check_addr_libfunc.
        * calls.c (rtx_for_function_call): Change ptr_mode to Pmode in
        setup for chkr_check_exec_libfunc.
        (expand_call): Change ptr_mode to Pmode in
        setup for chkr_set_right_libfunc.
        (expand_call): Change ptr_mode to Pmode in
        setup for chkr_set_right_libfunc.
        (store_one_arg): Change ptr_mode to Pmode in
        setup for chkr_set_right_libfunc.

Co-Authored-By: Donn Terry <donn@interix.com>

From-SVN: r26664

From-SVN: r26634

        * expr.c (expand_assignment): Force pointers to proper mode if
        POINTERS_EXTEND_UNSIGNED is defined.

From-SVN: r26484

        * expr.c (expand_expr, case ARRAY_REF, COMPONENT_REF, BIT_FIELD_REF):
        Do not try to optimize a aggregate address which has VOIDmode.
        Mirrors March 23 change to expand_assignment.

From-SVN: r26307

        * expr.c (expand_builtin) [BUILT_IN_RETURN_ADDRESS]: Use
        copy_to_mode_reg; don't force constants into a register.

From-SVN: r26231

        * expr.c (expand_builtin_setjmp): Put setjmp return label on
        nonlocal_goto_handler_labels for flow.

From-SVN: r26225

	* tm.texi (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
	USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT): Document.
	(USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
	USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Fix documentation.
	* rtl.h	(USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
	USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT,
	USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
	USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Provide default
	definition.
	* expr.c: (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
	USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Delete default
	definition.

From-SVN: r26134

	* expr.c (store_field): When check direct_store, assume all complex
	modes can be directly stored.

From-SVN: r26104

        * expr.c (expand_assignment): Do not try to optimize a aggregate
        address which has VOIDmode.

From-SVN: r25934

From-SVN: r25864

        * calls.c (initialize_argument_information): Mark parameters
        `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
        * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
        `filename'.
        (dbxout_finish): Likewise for parameters `file' and `filename'.
        (dbxout_prepare_symbol): Likewise for parameter `decl'.
        (dbxout_begin_function): Likewise.
        * explow.c (hard_function_value): Likewise for parameter `func'.
        * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
        * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
        * expr.c (expand_expr): Likewise.
        * expr.h (expand_abs): Delete unused argument from prototype.
        * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
        * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
        (sdbout_end_block): Likewise for parameter `n'.
        * toplev.c (debug_define): Likewise for parameters `lineno' and
        `buffer'.
        (debug_undef): Likewise.
        * varasm.c (named_section): Likewise for parameter 'reloc'.
        (assemble_external): Likewise for parameter `decl'.
        (assemble_alias): Likewise for parameter `target'.

From-SVN: r25858

        * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
        MAX_INTEGER_COMPUTATION_MODE.

From-SVN: r25714

h
	* tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR):  New tree nodes,
	* expr.c (expand_expr):  Support new tree nodes.

From-SVN: r25308