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723 Commits

Author SHA1 Message Date
Andrew Haley
ffad84cd85 function.c (expand_function_end): Emit a blockage insn before the epilogue when -fnon-call-exceptions is used. 
2004-03-10  Andrew Haley  <aph@redhat.com>

	* function.c (expand_function_end): Emit a blockage insn before
	the epilogue when -fnon-call-exceptions is used.

	* except.c (expand_start_all_catch): Make comment more accurate.

From-SVN: r79265
 2004-03-10 17:47:45 +00:00
Roger Sayle
e697b20f79 re PR middle-end/14289 (ICE in a register array) 
PR middle-end/14289
	* c-typeck.c (c_mark_addressable): A register variable should
	be considered global if its not automatic, i.e. TREE_PUBLIC,
	TREE_STATIC or DECL_EXTERNAL.
	* function.c (put_var_into_stack): Call abort when placing a
	hard register into the stack, if x_parm_reg_stack_loc is NULL.

	* gcc.dg/pr14289-1.c: New test case.
	* gcc.dg/pr14289-2.c: Likewise.
	* gcc.dg/pr14289-3.c: Likewise.

From-SVN: r79127
 2004-03-08 21:56:36 +00:00
Paul Brook
ce407aa992 * function.c (assign_parms): Include pretend alignment offset. 
From-SVN: r78973
 2004-03-05 16:44:33 +00:00
Paolo Bonzini
ec8e098d3d alias.c (rtx_equal_for_memref_p): Use predicates to test rtx classes and new rtx class codes... 
2004-02-07  Paolo Bonzini  <bonzini@gnu.org>

	* alias.c (rtx_equal_for_memref_p): Use predicates
	to test rtx classes and new rtx class codes, possibly
	splitting conditionals that tested against '<' and 'o'.
	* caller-save.c (save_call_clobbered_regs): Likewise.
	* combine.c (contains_muldiv, find_split_point, subst,
	combine_simplify_rtx, simplify_if_then_else,
	simplify_set, simplify_logical, expand_compound_operation,
	make_compound_operation, if_then_else_cond, known_cond,
	apply_distributive_law, cached_nonzero_bits,
	cached_num_sign_bit_copies, simplify_shift_const,
	gen_binary, simplify_comparison, update_table_tick,
	record_value_for_reg, get_lsat_value_validate): Likewise.
	* cse.c (mention_regs, find_best_addr, find_comparison_args,
	fold_rtx, cse_insn, invalidate_memory, cse_basic_block):
	Likewise.
	* emit-rtl.c (copy_insn_1): Likewise.
	* expr.c (force_operand): Likewise.
	* final.c (final_scan_insn, get_mem_expr_from_op): Likewise.
	* flow.c (notice_stack_pointer_modification_1,
	invalidate_mems_from_autoinc, ior_reg_cond, not_reg_cond,
	and_reg_cond, elim_reg_cond): Likewise.
	* function.c (update_epilogue_consts): Likewise.
	* genattrtab.c (attr_rtx_1): Likewise.
	* genopinit.c (gen_insn): Likewise.
	* integrate.c (subst_constants): Likewise.
	* jump.c (reversed_comparison_code_parts,
	reversed_comparison_code, delete_related_insns,
	rtx_renumbered_equal_p): Likewise.
	* local-alloc.c (block_alloc): Likewise.
	* loop.c (rtx_equal_for_prefetch_p, maybe_eliminate_biv,
	canonicalize_condition): Likewise.
	* loop-iv.c (simplify_using_conditions, iv_number_of_iterations):
	Likewise.
	* optabs.c (add_equal_node, expand_binop): Likewise.
	* predict.c (estimate_probability): Likewise.
	* ra-debug.c (ra_print_rtx_2op, ra_print_rtx): Likewise.
	* recog.c (validate_replace_rtx_1, comparison_operator,
	offsettable_address_p, constrain_operands): Likewise.
	* reg-stack.c (swap_rtx_condition_1, subst_stack_regs_pat):
	Likewise.
	* regclass.c (scan_one_insn): Likewise.
	* regmove.c (stable_and_no_regs_but_for_p): Likewise.
	* regrename.c (kill_autoinc_value): Likewise.
	* reload.c (find_reusable_reload, find_reloads,
	reg_overlap_mentioned_for_reload_p): Likewise.
	* reload1.c (gen_reload, delete_address_reloads_1): Likewise.
	* rtl.c (copy_rtx): Likewise.
	* rtl.h (CONSTANT_P, INSN_P): Likewise.
	* rtlanal.c (commutative_operand_precedence): Likewise.
	* sched-deps.c (conditions_mutex_p): Likewise.
	* sched-rgn.c (is_cfg_nonregular): Likewise.
	* simplify-rtx.c (simplify_gen_binary,
	simplify_gen_relational, simplify_replace_rtx,
	simplify_unary_operation, simplify_binary_operation,
	simplify_ternary_operation, simplify_rtx): Likewise.
	* unroll.c (reg_dead_after_loop): Likewise.
	* config/alpha/alpha.c (alpha_swapped_comparison_operator,
	print_operand): Likewise.
	* config/arc/arc.c (proper_comparison_operator): Likewise.
	* config/arm/arm.c (arm_arm_address_cost, arm_select_cc_mode):
	Likewise.
	* config/avr/avr.c (_reg_unused_after): Likewise.
	* config/frv/frv.c (frv_ifcvt_modify_tests,
	frv_ifcvt_modify_insn, frv_pack_insn): Likewise.
	* config/i386/i386.c (ix86_comparison_operator,
	ix86_carry_flag_operator, fcmov_comparison_operator,
	arith_or_logical_operator, print_operand,
	ix86_expand_binary_operator, ix86_binary_operator_ok):
	Likewise.
	* config/i386/i386.md: Likewise.
	* config/ia64/ia64.c (not_postinc_memory_operand,
	ia64_print_operand, update_set_flags, errata_emit_nops):
	Likewise.
	* config/ia64/ia64.h (PREFERRED_RELOAD_CLASS,
	CONSTRAINT_OK_FOR_S): Likewise.
	* config/ip2k/ip2k.c (mdr_resequence_xy_yx,
	mdr_try_move_dp_reload, ip2k_check_can_adjust_stack_ref,
	ip2k_xexp_not_uses_reg_for_mem, ip2k_xexp_not_uses_reg_p,
	ip2k_composite_xexp_not_uses_reg_p, ip2k_unary_operator):
	Likewise.
	* config/iq2000/iq2000.c (cmp_op, symbolic_expression_p,
	eqne_comparison_operator, signed_comparison_operator):
	Likewise.
	* config/mips/mips.c (cmp_op, symbolic_expression_p):
	Likewise.
	* config/mmix/mmix (mmix_foldable_comparison_operator,
	mmix_comparison_operator): Likewise.
	* config/pa/pa.c (hppa_legitimize_address): Likewise.
	* config/rs6000/rs6000.c (stmw_operation,
	branch_comparison_operator, trap_comparison_operator,
	ccr_bit): Likewise.
	* config/rs6000/rs6000.h (SELECT_CC_MODE): Likewise.
	* config/s390/s390.c (s390_alc_comparison,
	s390_slb_comparison):L Likewise.
	* config/sh/sh.c (gen_block_redirect, reg_unused_after):
	Likewise.
	* config/sparc/sparc.c (eq_or_neq, normal_comp_operator,
	noov_compare_op, noov_compare64_op, v9_regcmp_op,
	emit_hard_tfmode_operation, reg_unused_after)
	* doc/md.texi, doc/rtl.texi: Likewise.

	* ra-debug.c: Add 2004 to list of copyright years.
	* unroll.c: Likewise.

	* combine.c (simplify_logical): Remove dummy test,
	(apply_distributive_law): Fix typo in comment.
	GET_CODE (x) == AND so x is a commutative binary op.
	* jump.c (delete_related_insns): simplify loop
	condition, move testing of RTX codes inside the loop.
	(rtx_renumbered_equal_p): do not use RTX_CODE.
	* rtl.c (rtx_class): Declare as enum rtx_class.
	* rtl.def (EQ, NE, UNEQ, LTGT, UNORDERED, ORDERED):
	Move to RTX_COMM_COMPARE class.
	(HIGH, SYMBOL_REF, LABEL_REF, CONST, CONST_INT, CONST_DOUBLE):
	Move to RTX_CONST_OBJ class.
	* rtl.h (enum rtx_class): New declaration,
	(RTX_OBJ_MASK, RTX_OBJ_RESULT, RTX_COMPARE_MASK,
	RTX_COMPARE_RESULT, RTX_ARITHMETIC_MASK, RTX_ARITHMETIC_RESULT,
	RTX_BINARY_MASK, RTX_BINARY_RESULT, RTX_COMMUTATIVE_MASK,
	RTX_COMMUTATIVE_RESULT, RTX_NON_COMMUTATIVE_RESULT,
	RTX_EXPR_FIRST, RTX_EXPR_LAST, UNARY_P, BINARY_P,
	ARITHMETIC_P, COMMUTATIVE_ARITHMETIC_P, COMPARISON_P,
	SWAPPABLE_OPERANDS_P, NON_COMMUTATIVE_P, COMMUTATIVE_P,
	OBJECT_P): New macros.
	* config/sparc/sparc.c (noov_compare_op): Remove register
	from parameter.

From-SVN: r78824
 2004-03-03 08:35:33 +00:00
Roger Sayle
bc41842bb2 [multiple changes] 
2004-02-29  Waldek Hebisch  <hebisch@math.uni.wroc.pl>

	PR middle-end/14203
	* function.c (uninitialized_vars_warning): Use DECL_RTL_SET_P
	instead of testing whether DECL_RTL is not NULL.

2004-02-29  Roger Sayle  <roger@eyesopen.com>

	PR middle-end/14203
	* g++.dg/warn/Wunused-6.C: New test case.

From-SVN: r78648
 2004-02-29 14:07:44 +00:00
Paul Brook
53c428d012 * function.c (assign_parms): Don't count pretend args for alignment. 
From-SVN: r78563
 2004-02-27 12:02:55 +00:00
Kazu Hirata
6c5caf00a8 calls.c: Don't reference FINAL_REG_PARM_STACK_SPACE or MAYBE_REG_PARM_STACK_SPACE. 
* calls.c: Don't reference FINAL_REG_PARM_STACK_SPACE or
	MAYBE_REG_PARM_STACK_SPACE.
	* function.c: Likewise.
	* system.h (FINAL_REG_PARM_STACK_SPACE): Poison.
	(MAYBE_REG_PARM_STACK_SPACE): Likewise.
	* doc/tm.texi (FINAL_REG_PARM_STACK_SPACE): Remove.
	(MAYBE_REG_PARM_STACK_SPACE): Likewise.

From-SVN: r78530
 2004-02-26 23:32:09 +00:00
Alan Modra
196c42cd7c function.c (assign_parms): When building decl_rtl for SPLIT_COMPLEX_ARGS... 
* function.c (assign_parms): When building decl_rtl for
	SPLIT_COMPLEX_ARGS, ensure inner modes of concat match outer.

From-SVN: r78079
 2004-02-19 18:30:47 +10:30
Steven Bosscher
1da326c335 (c-decl.c, [...]): Replace DECL_SAVED_INSNS with DECL_STRUCT_FUNCTION. 
* (c-decl.c, c-semantics.c, calls.c, cgraph.c, cgraphunit.c,
        function.c, integrate.c, print-tree.c, toplev.c, tree-optimize.c,
        tree.h): Replace DECL_SAVED_INSNS with DECL_STRUCT_FUNCTION.
        * ada/utils.c: Likewise.
        * cp/decl.c: Likewise.
        * f/com.c: Likewise.
        * java/class.c: Likewise.

From-SVN: r77985
 2004-02-17 21:33:43 +00:00
Richard Kenner
8fbc67c072 * function.c (update_epilogue_consts): Teach about binary operations. 
From-SVN: r77727
 2004-02-12 15:48:21 -05:00
Richard Kenner
a5e9c81033 emit-rtl.c (set_mem_attributes_minus_bitpos): Don't kill previous MEM_VOLATILE in REF. 
* emit-rtl.c (set_mem_attributes_minus_bitpos): Don't kill
	previous MEM_VOLATILE in REF.
	* function.c (fixup_var_refs): Save volatile_ok and set to 1.
	* expr.c (emit_block_move_via_movstr): Save and restore volatile_ok.

From-SVN: r77718
 2004-02-12 13:25:09 -05:00
Josef Zlomek
fbe6ec8150 emit-rtl.c (set_decl_incoming_rtl): New. 
PR/14058
	* emit-rtl.c (set_decl_incoming_rtl): New.
	* tree.h (set_decl_incoming_rtl): New.
	* function.c (assign_parms): Use set_decl_incoming_rtl for setting
	DECL_INCOMING_RTL.
	* ada/misc.c (adjust_decl_rtl): Likewise.

From-SVN: r77611
 2004-02-10 18:38:19 +00:00
David Edelsohn
f276fb546f * function.c (assign_parms): Fix formatting. 
From-SVN: r77478
 2004-02-07 21:48:34 -05:00
Alan Modra
0f6937feff tm.texi (INIT_CUMULATIVE_ARGS): Update doco. 
* doc/tm.texi (INIT_CUMULATIVE_ARGS): Update doco.
	* calls.c (expand_call): Pass n_named_args to INIT_CUMULATIVE_ARGS.
	(emit_library_call_value_1): Likewise pass nargs.
	* expr.c (block_move_libcall_safe_for_call_parm): Pass 3 here.
	* function.c (assign_parms): Pass -1 to INIT_CUMULATIVE_ARGS.
	* config/rs6000/rs6000.c (init_cumulative_args): Use n_named_args
	parameter instead of scanning TYPE_ARGS_TYPES to count args.
	* config/rs6000/rs6000-protos.h (init_cumulative_args): Update
	prototype.
	* config/rs6000/rs6000.h (INIT_CUMULATIVE_ARGS): Pass extra arg.
	(INIT_CUMULATIVE_INCOMING_ARGS): Set extra arg to 1000.
	(INIT_CUMULATIVE_LIBCALL_ARGS): Set extra arg to 0.
	* config/sh/sh.c (sh_output_mi_thunk): Pass 1 as n_named_args to
	INIT_CUMULATIVE_ARGS.
	* config/alpha/alpha.h (INIT_CUMULATIVE_ARGS): Update.
	* config/alpha/unicosmk.h, config/alpha/vms.h, config/arc/arc.h,
	config/arm/arm.h, config/avr/avr.h, config/c4x/c4x.h,
	config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.h,
	config/h8300/h8300.h, config/i386/i386.h, config/i860/i860.h,
	config/ia64/ia64.h, config/ip2k/ip2k.h, config/iq2000/iq2000.h,
	config/iq2000/iq2000.c, config/m32r/m32r.h, config/m68hc11/m68hc11.h,
	config/m68k/m68k.h, config/mcore/mcore.h, config/mips/mips.h,
	config/mmix/mmix.h, config/mn10300/mn10300.h, config/ns32k/ns32k.h,
	config/pa/pa.h, config/pdp11/pdp11.h config/s390/s390.h,
	config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
	config/v850/v850.h, config/vax/vax.h, config/xtensa/xtensa.h: Likewise.

From-SVN: r77380
 2004-02-06 16:48:36 +10:30
Jan Hubicka
66fd46b6c6 alias.c (record_set): Use hard_regno_nregs. 
* alias.c (record_set): Use hard_regno_nregs.
	* bt-load.c (find_btr_reference, note_btr_set): Likewise.
	* builtins.c (apply_args_size): Likewise.
	* caller-save.c (setup_save_areas, save_call_clobbered_regs,
	mark_set_regs, add_stored_regs, mark_referenced_regs,
	insert_restore, insert_save, insert_one_insn): Likewise.
	* cfgcleanup.c: Include regs.h
	(mark_effect, mentions_nonequal_regs): Likewise.
	* cfgrtl.c (mark_killed_regs): Likewise
	* combine.c (update_table_tick, record_value_for_reg,
	record_dead_and_set_regs, get_last_value_validate, use_crosses_set_p,
	reg_dead_at_p_1, reg_dead_at_p, mark_used_regs_combine, move_deaths,
	reg_bitfield_target_p, distribute_notes): Likewise.
	* cse.c (mention_regs, insert, invalidate, invalidate_for_call,
	exp_equiv_p, cse_insn): Likewise.
	* cselib.c (cselib_lookup): Likewise.
	(cselib_invalidate_regno, cselib_record_set): Likewise.
	* df.c (df_ref_record): Likewise.
	* dwarf2out.c (reg_loc_descriptor, multiple_reg_loc_descriptor):
	Likewise.
	* flow.c (mark_reg, insn_dead_p, mark_set_1, mark_used_reg,
	count_or_remove_death_notes_bb): Likewise.
	* function.c (aggregate_value_p, keep_stack_depressed): Likewise.
	* gloval.c (global_alloc, find_reg, mark_reg_store, mark_reg_conflicts,
	mark_reg_death, set_preference, reg_becomes_live, reg_dies): Likewise.
	* integrate.c (mark_stores): Likewise.
	* jump.c (delete_prior_computation): Likewise.
	* lcm.c (reg_dies, reg_becomes_live): Likewise.
	* local-alloc.c (combine_regs, find_free_reg, post_mark_life): Likewise.
	* loop.c (LOOP_REGNO_NREGS): Likewise.
	* postreload.c (reload_combine, reload_combine_note_store,
	reload_combine_note_use, reload_cse_move2add, move2add_note_store): Likewise.
	* ra-colorize.c (combine, color_usable_p, get_free_reg,
	calculate_dont_begin, calculate_dont_begin, colorize_one_web,
	try_recolor_web, insert_coalesced_conflicts, check_colors,
	break_precolored_alias): Likewise.
	* ra-debug.c: Include regs.h
	(ra_print_rtx_object): Likewise.
	* ra-rewrite (choose_spill_colors): Likewise.
	(spill_same_color_p, update_spill_colors, spill_is_free): Likewise.
	* ra.c (init_ra): Likewise.
	* recog.c (reg_fits_class_p, peep2_reg_dead_p,
	peep2_find_free_register): Likewise.
	* reg-stack.c (subst_stack_regs_pat, convert_regs_exit): Likewise.
	* regclass.c (hard_regno_nregs): New array.
	(init_reg_modes_once): Initialize it.
	(choose_hard_reg_mode): Use it.
	(record_reg_classes): Likewise.
	* regmove.c (mark_flags_life_zones): Likewise.
	* regrename.c (note_sets, clear_dead_regs, regrename_optimize,
	scan_rtx_reg, dump_def_use_chain, kill_value, set_value_regno,
	copy_value, maybe_mode_change, find_oldest_value_reg,
	copyprop_hardreg_forward_1):
	* regs.h (hard_regno_nregs): Declare.
	* realod.c (reload_inner_reg_of_subreg): Use it.
	(push_reload, combine_reloads, find_dummy_reload,
	hard_reg_set_here_p, operands_match_p, decompose, find_reloads,
	refers_to_regno_for_reload_p, find_equiv_reg, regno_clobbered_p,
	reload_adjust_reg_for_mode): Likewise.
	* reload1.c (compute_use_by_pseudos, count_pseudo,
	count_spilled_pseudo, find_reg, find_reload_regs, mark_home_live,
	spill_hard_reg, forget_old_reloads_1, mark_reload_reg_in_use,
	clear_reload_reg_in_use, reload_reg_free_for_value_p, free_for_value_p
	allocate_reload_reg, choose_reload_regs, emit_reload_insns,
	delete_output_reload): Likewise.
	* resource.c (update_live_status, mark_referenced_resources,
	mark_set_resources, mark_target_live_regs): Likewise.
	* rtlanal.c:  Include regs.h
	(refers_to_regno_p, reg_overlap_mentioned_p, dead_or_set_p,
	dead_or_set_regno_p, find_regno_note, find_reg_fusage,
	subreg_regno_offset, subreg_offset_representable_p,
	hoist_test_store): Likewise.
	* sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
	* sched-rgn.c (check_live_1, update_live_1): Likewise.
	* stmt.c: Include regs.h
	(decl_conflicts_with_clobbers_p): Likewise.
	* varasm.c (make_decl_rtl): Likewise.
	* Makefile.in (cfgcleanup.o, rtlanal.o, ra-debug.o): Add regs.h dependnecy.

From-SVN: r77088
 2004-02-02 00:17:18 +00:00
Kazu Hirata
f84d109fc4 bt-load.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (". 
* bt-load.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
	* calls.c: Likewise.
	* emit-rtl.c: Likewise.
	* function.c: Likewise.
	* reload1.c: Likewise.
	* config/i386/cygming.h: Likewise.
	* config/i386/i386.c: Likewise.
	* config/i386/winnt.c: Likewise.

From-SVN: r77025
 2004-01-31 08:02:55 +00:00
Fariborz Jahanian
6e290f1155 Do not assign long long argument to memory in prologue if loaded in register. 
OKed by Richard Henderson.

From-SVN: r76648
 2004-01-26 17:43:46 +00:00
Kazu Hirata
1f52178b3a c-common.h: Fix comment typos. 
* c-common.h: Fix comment typos.
	* c-decl.c: Likewise.
	* cgraphunit.c: Likewise.
	* combine.c: Likewise.
	* et-forest.c: Likewise.
	* flow.c: Likewise.
	* function.c: Likewise.
	* ifcvt.c: Likewise.
	* integrate.c: Likewise.
	* jump.c: Likewise.
	* postreload.c: Likewise.
	* varray.c: Likewise.

From-SVN: r76539
 2004-01-25 03:52:42 +00:00
Jan Hubicka
0de456a50f function.c (allocate_struct_function): Do not initialize expr, emit and varasm. 
* function.c (allocate_struct_function): Do not initialize expr, emit
	and varasm.
	(prepare_function_start): Do it here.
	* c-parse.in (maybe_type_qual): Do not produce line number notes.

From-SVN: r76345
 2004-01-22 10:52:20 +00:00
Daniel Jacobowitz
589fe865e0 final.c (SEEN_BB, [...]): Define. 
* final.c (SEEN_BB, SEEN_NOTE, SEEN_EMITTED): Define.
	(final_scan_insn): Update to take an additional SEEN argument.  Emit
	a line note after the prologue.  Make static.
	(line_note_exists): Remove.
	(final): Don't initialize line_note_exists.  Update call to
	final_scan_insn.
	* output.h (final_scan_insn): Remove prologue.
	* function.c (set_insn_locators): Update comment.
	(thread_prologue_and_epilogue_insns): Add a comment.

From-SVN: r76060
 2004-01-17 22:11:58 +00:00
Steven Bosscher
faed5cc356 re PR c++/13376 (Incorrect dumps of RTL for passes that use current_function_name) 
PR c++/13376
	* function.h (struct function): Kill `name' field.
	(current_function_name): Make it an extern function.
	* function.c (current_function_name): New function.
	* graph.c: Update all uses of current_function_name.
	* gcse.c: Likewise.
	* config/alpha/alpha.c, config/avr/avr.c, config/c4x/c4x.c,
	config/mips/mips.c, config/pdp11/pdp11.c: Likewise.
	* config/ip2k/ip2k.c (function_prologue): Use MAIN_NAME_P
	instead of a strcmp with "main".

From-SVN: r75784
 2004-01-13 01:58:45 +00:00
Steven Bosscher
ca35b54689 Fix messed up accidental commit. 
From-SVN: r75368
 2004-01-03 19:58:40 +00:00
Steven Bosscher
d47cc544b6 backport: et-forest.h (et_forest_create, [...]): Declarations removed. 
Backport from tree-ssa (relevant changes only):
	2003-12-18  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	* et-forest.h (et_forest_create, et_forest_delete,
	et_forest_add_node, et_forest_add_edge, et_forest_remove_node,
	et_forest_remove_edge, et_forest_parent,
	et_forest_common_ancestor, et_forest_node_value,
	et_forest_enumerate_sons): Declarations removed.
	(struct et_node): New.
	(et_new_tree, et_free_tree, et_set_father, et_split, et_nca,
	et_below): Declare.
	* et-forest.c (struct et_forest_occurrence, struct et_forest,
	struct et_forest_node): Removed.
	(et_forest_create, et_forest_delete,
	et_forest_add_node, et_forest_add_edge, et_forest_remove_node,
	et_forest_remove_edge, et_forest_parent,
	et_forest_common_ancestor, et_forest_node_value,
	et_forest_enumerate_sons, splay, remove_all_occurrences,
	find_leftmost_node, find_rightmost_node, calculate_value): Removed.
	(struct et_occ): New.
	(et_nodes, et_occurences): New.
	(set_depth, set_depth_add, set_prev, set_next, et_recomp_min,
	et_check_occ_sanity, et_check_sanity, et_check_tree_sanity,
	record_path_before_1, record_path_before, check_path_after_1,
	check_path_after, et_splay, et_new_occ, et_new_tree,
	et_free_tree, et_set_father, et_split, et_nca, et_below): New.
	* basic-block.h (struct basic_block_def): New field dom.
	(struct dominance_info): Type removed.
	(calculate_dominance_info, free_dominance_info,
	nearest_common_dominator, set_immediate_dominator,
	get_immediate_dominator, dominated_by_p, get_dominated_by,
	add_to_dominance_info, delete_from_dominance_info,
	recount_dominator, redirect_immediate_dominators,
	iterate_fix_dominators, verify_dominators): Declarations
	changed.
	(enum dom_state): New.
	(dom_computed): New variable.
	(first_dom_son, next_dom_son): Declare.
	* dominance.c (struct dominance_info): Removed.
	(BB_NODE, SET_BB_NODE): Removed.
	(calculate_dominance_info, free_dominance_info,
	nearest_common_dominator, set_immediate_dominator,
	get_immediate_dominator, dominated_by_p, get_dominated_by,
	add_to_dominance_info, delete_from_dominance_info,
	recount_dominator, redirect_immediate_dominators,
	iterate_fix_dominators, verify_dominators,
	debug_dominance_info): Work over new datastructure.  Access
	dominance datastructures through CFG.
	(assign_dfs_numbers, compute_dom_fast_query, first_dom_son,
	next_dom_son): New.
	* bt-load.c (dom): Variable removed.
	(augment_live_range, combine_btr_defs, migrate_btr_def,
	migrate_btr_defs, branch_target_load_optimize): Updated for the
	new interface for dominance information.
	* cfg.c {exit_entry_blocks): Update initializer.
	* cfglayout.c (copy_bbs): Removed loops argument. Updated for
	the new interface for dominance information.
	* cfglayout.h (copy_bbs): Declaration changed.
	* cfgloop.c (flow_loop_pre_header_find, flow_loops_cfg_dump,
	flow_loop_scan, canonicalize_loop_headers, flow_loops_find): Updated
	for the new interface for dominance information.
	(flow_loop_scan): Loops argument removed.
	(flow_loops_free): Don't release dominators.
	* cfgloop.h (struct cfg): Dom field removed.
	(flow_loop_scan, loop_split_edge_with, simple_loop_p,
	just_once_each_iteration_p, split_loop_bb): Declaration changed.
	* cfgloopanal.c (simple_loop_exit_p, simple_increment,
	just_once_each_iteration_p, simple_loop_p): Remove loops argument.
	Updated for the new interface for dominance information.
	* cfgloopmanip.c (remove_bbs, find_path, create_preheader,
	split_loop_bb, loopify, duplicate_loop_to_header_edge,
	force_single_succ_latches, loop_split_edge_with): Ditto.
	* gcse.c (dominators): Variable removed.
	(free_code_hoist_mem, compute_code_hoist_data, hoist_code):
	Updated for the new interface for dominance information.
	* ifcvt.c (post_dominators): Variable removed.
	(mark_loop_exit_edges, merge_if_block, find_if_header,
	find_cond_trap, find_if_case_1, find_if_case_2, if_convert):
	Updated for the new interface for dominance information.
	* loop-init.c (rtl_loop_optimizer_init,
	rtl_loop_optimizer_finalize): Ditto.
	* loop-unroll.c (decide_peel_simple, decide_peel_once_rolling,
	decide_peel_completely, decide_unroll_stupid,
	decide_unroll_constant_iterations,
	decide_unroll_runtime_iterations): Loops argument removed.
	Updated for the new interface for dominance information.
	(unroll_and_peel_loops, peel_loops_completely,
	unroll_loop_runtime_iterations): Updated for the new interface for
	dominance information.
	* loop-unswitch.c (may_unswitch_on_p, unswitch_loops,
	unswitch_single_loop, unswitch_loop): Updated for the new
	interface for dominance information.
	* predict.c (process_note_predictions, process_note_prediction,
	estimate_probability, note_prediction_to_br_prob): Ditto.
	* sched-rgn.c (find_rgns, init_regions): Ditto.
	* toplev.c (rest_of_handle_branch_prob): Free the dominators.

From-SVN: r75226
 2003-12-30 10:40:56 +00:00
David Edelsohn
8deb9aee94 function.c (assign_parms): Update max_parm_reg and parm_reg_stack_loc when adding new parm reg. 
* function.c (assign_parms): Update max_parm_reg and
        parm_reg_stack_loc when adding new parm reg.

From-SVN: r75001
 2003-12-23 21:22:37 -05:00
Kazu Hirata
6614fd40d2 alias.c: Fix comment formatting. 
* alias.c: Fix comment formatting.
	* alloc-pool.c: Likewise.
	* bitmap.c: Likewise.
	* bitmap.h: Likewise.
	* bt-load.c: Likewise.
	* c-common.c: Likewise.
	* c-common.h: Likewise.
	* c-decl.c: Likewise.
	* c-opts.c: Likewise.
	* c-pretty-print.c: Likewise.
	* caller-save.c: Likewise.
	* cfghooks.h: Likewise.
	* cgraph.c: Likewise.
	* collect2.c: Likewise.
	* cppfiles.c: Likewise.
	* cpplib.h: Likewise.
	* dwarf2out.c: Likewise.
	* dwarfout.c: Likewise.
	* emit-rtl.c: Likewise.
	* final.c: Likewise.
	* function.c: Likewise.
	* gcov.c: Likewise.
	* gcse.c: Likewise.
	* genemit.c: Likewise.
	* ggc.h: Likewise.
	* haifa-sched.c: Likewise.
	* ifcvt.c: Likewise.
	* libgcc2.h: Likewise.
	* loop.c: Likewise.
	* predict.h: Likewise.
	* unwind-libunwind.c: Likewise.
	* varasm.c: Likewise.

From-SVN: r74907
 2003-12-21 14:08:35 +00:00
Kazu Hirata
9d05bbceb2 flow.c (EXIT_IGNORE_STACK): Move to ... 
* flow.c (EXIT_IGNORE_STACK): Move to ...
	* defaults.h (EXIT_IGNORE_STACK): ... here.
	* dojump.c (clear_pending_stack_adjust): Don't use #ifdef
	EXIT_IGNORE_STACK.
	* function.c (expand_function_end): Likewise.
	* global.c (global_alloc): Likewise.
	* ra.c (init_ra): Likewise.
	* reload1.c (init_elim_table): Likewise.
	* reorg.c (fill_simple_delay_slots): Likewise.
	* resource.c (init_resource_info): Likewise.
	* doc/tm.texi (EXIT_IGNORE_STACK): Document that the default
	is 0.

From-SVN: r74654
 2003-12-16 00:06:36 +00:00
Kazu Hirata
ba228239d2 c-typeck.c: Fix comment typos. 
* c-typeck.c: Fix comment typos.
	* calls.c: Likewise.
	* cfgcleanup.c: Likewise.
	* cgraph.h: Likewise.
	* dwarfout.c: Likewise.
	* emit-rtl.c: Likewise.
	* explow.c: Likewise.
	* expr.c: Likewise.
	* flow.c: Likewise.
	* function.c: Likewise.
	* gcc.c: Likewise.
	* ggc-zone.c: Likewise.
	* ifcvt.c: Likewise.
	* local-alloc.c: Likewise.
	* predict.c: Likewise.
	* pretty-print.c: Likewise.
	* profile.c: Likewise.
	* ra-colorize.c: Likewise.
	* sched-vis.c: Likewise.
	* stor-layout.c: Likewise.

From-SVN: r74594
 2003-12-13 04:11:23 +00:00
James E Wilson
1ec7a83137 Fix for problem with unnecessary volatile mems. 
PR target/13132
* function.c (gen_mem_addressof): When no decl, explicitly clear flag
bits.

From-SVN: r74543
 2003-12-11 11:04:07 -08:00
Steven Bosscher
a813c11120 basic-block.h (BLOCK_HEAD, BLOCK_END): Remove. 
2003-12-11  Steven Bosscher  <steven@gcc.gnu.org>

	* basic-block.h (BLOCK_HEAD, BLOCK_END): Remove.
	(BLOCK_HEAD_TREE, BLOCK_END_TREE): Remove.
	(basic_block_def): Rename `head' to `head_' and `end' to `end_'.
	(BB_HEAD, BB_END): New accessor macros for the `head_' and `end_'
	fields of a basic block.
	* bb-reorder.c, bt-load.c, caller-save.c, cfg.c, cfganal.c,
	cfgbuild.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgloopanal.c,
	cfgloopmanip.c, cfgrtl.c, combine.c, conflict.c, df.c, emit-rtl.c,
	final.c, flow.c, function.c, gcse.c, global.c, graph.c,
	haifa-sched.c, ifcvt.c, lcm.c, local-alloc.c, loop-unswitch.c,
	loop.c, postreload.c, predict.c, profile.c, ra-build.c, ra-debug.c,
	ra-rewrite.c, ra.c, recog.c, reg-stack.c, regclass.c, regmove.c,
	regrename.c, reload1.c, resource.c, sched-ebb.c, sched-rgn.c,
	sibcall.c, tracer.c, config/frv/frv.c, config/i386/i386.c,
	config/ia64/ia64.c: Use the BB_HEAD and BB_END macros instead of
	accessing the `head' and `end' fields of a basic block directly.

	* gengtype.c: Add missing piece from earlier patch.  Dunno what
	I was thinking...

From-SVN: r74520
 2003-12-11 00:20:51 +00:00
Eric Botcazou
5c6ef9bee0 re PR rtl-optimization/13060 ([g77] ICE in fixup_var_refs_1, at function.c:1947 on correct code with "-O2 -fno-force-mem") 
PR optimization/13060
	* function.c (fixup_var_refs_1) [SUBREG]: Recognize even if a
	replacement already exists.  Fix again the whole insn if that fails.

From-SVN: r74386
 2003-12-07 12:51:58 +00:00
Eric Botcazou
6e3077c608 re PR middle-end/11151 (__builtin_return(__builtin_apply(...)) gives wrong result) 
PR middle-end/11151
	* function.h (struct function): New field 'x_naked_return_label'.
	* function.c (free_after_compilation): Set it to NULL.
	(expand_function_end): Emit 'naked_return_label' if it exists.
	* rtl.h (expand_naked_return): Declare.
	* stmt.c (expand_naked_return): New function to generate a
	jump to 'naked_return_label'.
	* builtins.c (expand_builtin_return): Call expand_naked_return
	instead of expand_null_return.
	* config/sparc/sparc.md (untyped_return): Likewise.

From-SVN: r74312
 2003-12-05 06:46:35 +00:00
David Edelsohn
a0506b54dd function.c (assign_parms): Make sure parm PARALLEL combined in reg is composed of more than one object and... 
* function.c (assign_parms): Make sure parm PARALLEL combined
        in reg is composed of more than one object and the mode really
        produces a reg.

From-SVN: r74214
 2003-12-02 23:48:26 -05:00
Steven Bosscher
80fcc7bcae function.c (update_epilogue_consts): Don't use PARAMS. 
* function.c (update_epilogue_consts): Don't use PARAMS.
	* rtl.h (web_main): Ditto.
	* target.h (is_costly_dependence): Ditto

From-SVN: r74099
 2003-12-01 13:07:14 +00:00
Waldek Hebisch
1be4cd1f28 function.c: Make outer_function-chain external. 
2003-11-23  Waldek Hebisch <hebisch@math.uni.wroc.pl>

	* function.c: Make outer_function-chain external.
	* function.h: Likewise.

From-SVN: r73894
 2003-11-24 22:19:33 +01:00
Fariborz Jahanian
531547e90e calls.c (expand_call): Allocate new temp in pass1. 
2003-11-20  Fariborz Jahanian  <fjahanian@apple.com>
            David Edelsohn  <edelsohn@gnu.org>

        * calls.c (expand_call): Allocate new temp in pass1.
        (store_one_arg): If PARALLEL, calculate excess using mode size of
        rtvec elt.
        * expr.c (emit_push_insn): If PARALLEL, calculate offset using
        mode size of rtvec elt.
        * function.c (assign_parms): Use parm in register, if available.

Co-Authored-By: David Edelsohn <edelsohn@gnu.org>

From-SVN: r73775
 2003-11-20 17:42:01 -05:00
Jason Merrill
7f3a6a92f5 function.c (assign_parms): Use TREE_TYPE to determine the real type of the argument object. 
* function.c (assign_parms): Use TREE_TYPE to determine the real
        type of the argument object.

From-SVN: r73623
 2003-11-14 17:48:18 -05:00
Richard Kenner
f285d67bfe function.c (struct epi_info): New field const_equiv. 
PR/6552
	* function.c (struct epi_info): New field const_equiv.
	(update_epilogue_consts): New function.
	(keep_stack_depressed): Clear new field and verify scratch register
	doesn't have it set.
	Call new function via note_stores.
	(handle_epilogue_set): Allow setting SP equiv reg in different mode.
	Allow PLUS where second operand is register known set to constant.
	(emit_equiv_load): Write load using proper mode if source different.
	* config/mips/mips.md (return_internal): Put (return) first.

From-SVN: r73609
 2003-11-14 12:28:25 -05:00
Eric Christopher
729bf8ab4a function.c (purge_addressof_1): Add libcall check. 
2003-11-11  Eric Christopher  <echristo@redhat.com>

	* function.c (purge_addressof_1): Add libcall check.
	Remove test for cached replacements on fallback case.
	Simplify mode comparisons. Add libcall test for
	paradoxical subregs.

From-SVN: r73479
 2003-11-12 02:10:12 +00:00
John David Anglin
2b256a4627 function.c (assign_parms): Add ATTRIBUTE_UNUSED to variable reg_parm_stack_space. 
* function.c (assign_parms): Add ATTRIBUTE_UNUSED to variable
	reg_parm_stack_space.
	* toplev.c (default_get_pch_validity): Fix warning.

From-SVN: r73168
 2003-11-01 02:23:44 +00:00
Eric Christopher
69e4e6e99c function.c (purge_addressof_1): Add case for REG_RETVAL notes when modes are unequal. 
2003-10-25  Eric Christopher  <echristo@redhat.com>

	* function.c (purge_addressof_1): Add case for REG_RETVAL
        notes when modes are unequal.

From-SVN: r73107
 2003-10-30 23:50:53 +00:00
Eric Botcazou
69efc31da2 re PR rtl-optimization/12544 (ICE with large parameters used in nested functions) 
PR optimization/12544
	* function.c (put_var_into_stack): Don't generate ADDRESSOFs
	for DECL_NONLOCAL decls.

From-SVN: r72374
 2003-10-11 20:56:24 +00:00
Geoffrey Keating
a751cd5beb function.c (pad_to_arg_alignment): Move 'boundary_in_bytes' definition to above SPARC_STACK_BOUNDARY_HACK. 
* function.c (pad_to_arg_alignment): Move 'boundary_in_bytes'
	definition to above SPARC_STACK_BOUNDARY_HACK.

From-SVN: r72241
 2003-10-08 21:09:18 +00:00
Geoffrey Keating
a594a19c2a function.c (pad_to_arg_alignment): Take STACK_POINTER_OFFSET into account when aligning arguments. 
2003-10-07  Geoffrey Keating  <geoffk@apple.com>

	* function.c (pad_to_arg_alignment): Take STACK_POINTER_OFFSET into
	account	when aligning arguments.
	* calls.c (STACK_POINTER_OFFSET): Move default from here ...
	* defaults.h (STACK_POINTER_OFFSET): ... to here.
	* config/sparc/sparc.h (STACK_BOUNDARY): Add comment about how
	it's wrong when TARGET_ARCH64 && TARGET_STACK_BIAS.
	(SPARC_STACK_BOUNDARY_HACK): Define.
	* config/rs6000/rs6000.c (function_arg): On non-SVR4 systems,
	arrange for vector parameters to varargs functions to be passed
	in both memory and GPRs when appropriate.
	(rs6000_va_arg): Vector arguments passed in memory are 16-byte
	aligned.

Index: testsuite/ChangeLog
2003-10-07  Geoffrey Keating  <geoffk@apple.com>

	* gcc.dg/darwin-abi-2.c: New file.
	* gcc.c-torture/execute/va-arg-24.c: New file.

From-SVN: r72199
 2003-10-07 19:48:23 +00:00
Kazu Hirata
2067c116a4 c-pretty-print.c: Fix comment typos. 
* c-pretty-print.c: Fix comment typos.
	* c-pretty-print.h: Likewise.
	* calls.c: Likewise.
	* cfgloopmanip.c: Likewise.
	* cgraphunit.c: Likewise.
	* cppfiles.c: Likewise.
	* final.c: Likewise.
	* function.c: Likewise.
	* gcov-io.h: Likewise.
	* gcse.c: Likewise.
	* genoutput.c: Likewise.
	* loop.c: Likewise.
	* postreload.c: Likewise.
	* reg-stack.c: Likewise.
	* regmove.c: Likewise.
	* sched-int.h: Likewise.
	* sched-rgn.c: Likewise.
	* simplify-rtx.c: Likewise.
	* tree-inline.c: Likewise.
	* config/m68hc11/m68hc11.h: Likewise.
	* config/mmix/mmix.c: Likewise.
	* config/mn10300/mn10300.md: Likewise.
	* config/sh/sh.h: Likewise.

From-SVN: r72118
 2003-10-05 19:50:56 +00:00
Kazu Hirata
368ebcd6ff fold-const.c: Follow spelling conventions. 
* fold-const.c: Follow spelling conventions.
	* function.c: Likewise.
	* config/c4x/c4x.h: Likewise.
	* config/c4x/c4x.md: Likewise.
	* config/frv/frv.md: Likewise.
	* config/rs6000/aix.h: Likewise.
	* config/rs6000/linux64.h: Likewise.
	* config/xtensa/xtensa.c: Likewise.

From-SVN: r72111
 2003-10-05 13:34:45 +00:00
Richard Henderson
f31686a322 Revert DECL_SOURCE_LOCATION -> TREE_LOCUS change. 
From-SVN: r71641
 2003-09-21 22:09:32 -07:00
Richard Henderson
7e2af53a14 tree.h (TREE_LOCUS): Rename from DECL_SOURCE_LOCATION; make const. 
* tree.h (TREE_LOCUS): Rename from DECL_SOURCE_LOCATION; make const.
	(TREE_FILENAME, TREE_LINENO): Likewise.
	(set_tree_locus, copy_tree_locus, set_tree_file_line): New.
	(TREE_LOCUS_SET_P): New.
	* c-aux-info.c, c-decl.c, c-parse.in, coverage.c, dbxout.c,
	diagnostic.c, dwarf2out.c, dwarfout.c, function.c, integrate.c,
	print-tree.c, stmt.c, toplev.c, tree-dump.c, tree-inline.c,
	tree-optimize.c, tree.c, tree.def, xcoffout.c, config/alpha/alpha.c,
	config/mips/mips.c, doc/c-tree.texi, objc/objc-act.c: Update to match.

ada/
	* trans.c, utils.c: Update for DECL_SOURCE_LOCATION rename and
	change to const.

cp/
	* class.c, cp-tree.h, decl.c, decl2.c, error.c, init.c,
	method.c, optimize.c, pt.c, semantics.c, tree.c: Update for
	DECL_SOURCE_LOCATION rename and change to const.

f/
	* com.c, ste.c: Update for DECL_SOURCE_LOCATION rename and
	change to const.

java/
	* class.c, decl.c, jcf-parse.c, jcf-write.c, parse.y,
	resource.c: Update for DECL_SOURCE_LOCATION rename and change to const.

treelang/
	* treetree.c: Update for DECL_SOURCE_LOCATION rename and
	change to const.

From-SVN: r71636
 2003-09-21 16:39:40 -07:00
Richard Henderson
ddd2d57e72 c-format.c (gcc_diag_char_table): Add %J. 
* c-format.c (gcc_diag_char_table): Add %J.
        (gcc_cdiag_char_table, gcc_cxxdiag_char_table): Likewise.
        (check_format_types): Fix wanted_type name lookup.
        (init_dynamic_diag_info): Setup %J.
        * diagnostic.c (text_specifies_location): Implement %J.
        * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c, calls.c,
        dwarfout.c, expr.c, function.c, stmt.c, stor-layout.c, toplev.c,
        tree-inline.c, tree-optimize.c, varasm.c, config/arm/pe.c,
        config/i386/winnt.c, config/ia64/ia64.c, config/mcore/mcore.c,
        config/v850/v850.c, objc/objc-act.c: Use %J in diagnostics.

        * tree-inline.c: Include intl.h
        (inline_forbidden_p_1): Fix i18n of inline_forbidden_reason.
        * Makefile.in (tree-inline.o): Update.
cp/
        * decl.c, decl2.c, pt.c: Use %J in diagnostics.
java/
        * check-init.c, class.c, decl.c, expr.c: Use %J in diagnostics.
testsuite/
        * gcc.dg/format/gcc_diag-1.c: Add tests for %J.

From-SVN: r71619
 2003-09-20 22:07:20 -07:00
Mark Mitchell
5ae6cd0d1b re PR target/11184 ([ia64 hpux] ICE on __builtin_apply building libobjc) 
PR target/11184
	* builtins.c (expand_builtin_apply): Use convert_memory_address
	before returning the value.

	* alias.c (find_base_value): Simplify use of
	convert_memory_address.
	(find_base_term): Likewise.
	* builtins.c (expand_builtin_stejmp_setup): Likewise.
	(expand_builtin_longjmp): Likewise.
	(expand_builtin_prefetch): Likewise.
	(get_memory_rtx): Likewise.
	(expand_builtin_return): Likewise.
	(expand_builtin_memcpy): Likewise.
	(expand_builtin_strncpy): Likewise.
	(expand_builtin_memset): Likewise.
	(expand_builtin_va_arg): Likewise.
	(expand_builtin_va_copy): Likewise.
	(expand_builtin_alloca): Likewise.
	* calls.c (expand_call): Likewise.
	* except.c (expand_builtin_extract_return_addr): Likewise.
	(expand_builtin_eh_return): Likewise.
	* explow.c (convert_memory_address): Define even when
	POINTER_EXTEND_UNSIGNED is not defined.  Do nothing if the address
	is already in the right mode.
	* explow.c (memory_address): Simplify use of convert_memory_address.
	(probe_stack_range): Likewise.
	* expmed.c (make_tree): Likewise.
	* expr.c (emit_block_move_in_libcall): Likewise.
	(expand_assignment): Likewise.
	(expand_expr): Likewise.
	* function.c (assign_parms): Likewise.
	(expand_function_end): Likewise.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	* stmt.c (expand_computed_goto): Likewise.

	PR target/11184
	* gcc.dg/builtin-apply1.c: New test.

From-SVN: r71539
 2003-09-18 20:43:13 +00:00
Richard Sandiford
975f381876 function.c (STACK_BYTES): Move definition to head of file. 
* function.c (STACK_BYTES): Move definition to head of file.
	(assign_parms): Don't pass current_function_pretend_args_size
	directly to SETUP_INCOMING_VARARGS.  For partial register arguments,
	round current_function_pretend_args_size up to STACK_BYTES.  Skip any
	excess before laying out the argument.

From-SVN: r71372
 2003-09-14 10:07:51 +00:00