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From-SVN: r36192
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Fix ia64-linux miscompilation or tcl/generic/tclCompExpr.c
* loop.c (check_final_value): Check for biv use before checking for
giv use. Check for both biv and giv uses. Always set last_giv_use
if there is a giv use.
From-SVN: r36104
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insert_loop_mem is safe.
* loop.c (prescan_loop): Don't check unknown_address_altered
when deciding if insert_loop_mem is safe. Add BLKmode MEMs
to loop_store_mems as necessary.
(loop_invariant_p): Don't check unknown_address_altered
or unknown_constant_address_altered.
From-SVN: r36045
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`namebuf'.
* cpplex.c (parse_string): Don't look for backslash
before first char in `namebuf'.
* loop.c (strength_reduce): Skip NOTEs.
From-SVN: r36015
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* loop.c (loop_dump_aux, debug_loop): New functions.
(LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
* flow.c (flow_loops_dump): Add callback parameter.
(flow_loop_dump): Add callback parameter and call it. Move
loop note debugging code to loop_dump_aux.
* basic-block.h (flow_loop_dump): Add callback parameter
(flow_loops_dump): Likewise.
* toplev.c (rest_of_compilation): Add NULL callback function pointer
to call to flow_loops_dump.
From-SVN: r35979
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argument.
* loop.c (count_loop_regs_set): Replace start and end arguments
with loop argument. All callers udated.
From-SVN: r35978
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From-SVN: r35977
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NOTE_INSN_LOOP_VTOP to...
* loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
and NOTE_INSN_LOOP_VTOP to...
(find_and_verify_loops) ...here.
From-SVN: r35976
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REG_RETVAL.
* loop.c (scan_loop): Use CONST_CALL_P instead of
checking for REG_LIBCALL / REG_RETVAL.
From-SVN: r35808
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* flow.c (attempt_auto_inc): Remove unused variable `bb'.
(attempt_auto_inc): Suppress parentheses warning.
* function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
* loop.c (load_mems): Remove `u' suffix in two places.
* config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
hex constants.
* config/rs6000/rs6000.h: Likewise.
* config/rs6000/sol-c0.c: Prototype some functions. Remove the
__eabi dummy routine.
* config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
variable `buf_ptr'.
From-SVN: r35670
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From-SVN: r35526
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* loop.c (try_swap_copy_prop): New function.
(load_mems): Rename copies to load_copies and add new regset
store_copies. Check for sets of shadow registers and mark
in store_copies. Call try_swap_copy_prop for registers
marked in store_copies.
From-SVN: r35520
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* alias.c (mark_constant_function): Use INSN_P.
(init_alias_analysis): Likewise.
* combine.c (combine_instructions): Use INSN_P.
(can_combine_p): Likewise.
(try_combine): Likewise.
(distribute_notes): Likewise.
(distribute_links): Likewise.
* cse.c (cse_around_loop): Use INSN_P.
(invalidate_skipped_block): Likewise.
(cse_set_around_loop): Likewise.
(cse_end_of_basic_block): Likewise.
(delete_trivially_dead_insns): Likewise.
* emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
(unshare_all_rtl_1): Likewise.
(next_cc0_user): Likewise.
(try_split make_insn_raw): Likewise.
(remove_unnecessary_notes): Likewise.
* final.c (shorten_branches): Use INSN_P.
(leaf_renumber_regs): Likewise.
(leaf_renumber_regs_insn): Likewise.
* flow.c (find_label_refs): Use INSN_P.
(verify_wide_reg): Likewise.
(notice_stack_pointer_modification): Likewise.
(count_or_remove_death_notes): Likewise.
(verify_flow_info): Likewise.
(clear_log_links): Likewise.
* function.c (fixup_var_refs_insns): Use INSN_P.
(compute_insns_for_mem): Likewise.
* gcse.c (alloc_gcse_mem): Use INSN_P.
(compute_sets): Likewise.
(compute_hash_table): Likewise.
(classic_gcse): Likewise.
(cprop): Likewise.
(insert_insn_end_bb): Likewise.
(delete_null_pointer_checks_1): Likewise.
* global.c (expand_preferences): Use INSN_P.
(build_insn_chain): Likewise.
* graph.c (node_data): Use INSN_P.
* haifa-sched.c (priority): Use INSN_P.
(rm_line_notes): Likewise.
(rm_other_notes): Likewise.
(find_insn_reg_weight): Likewise.
(init_target_units): Likewise.
(schedule_block): Likewise.
(compute_block_forward_dependences): Likewise.
(debug_dependencies): Likewise.
(set_priorities): Likewise.
* integrate.c (function_cannot_inline_p): Use INSN_P.
(save_parm_insns): Likewise.
(copy_insn_list): Likewise.
* jump.c (mark_all_labels): Use INSN_P.
(never_reached_warning): Likewise.
* lcm.c (optimize_mode_switching): Use INSN_P.
* local-alloc.c (validate_equiv_mem): Use INSN_P.
(memref_used_between_p): Likewise.
(update_equiv_regs): Likewise.
(block_alloc): Likewise.
(no_conflict_p): Likewise.
* loop.c (scan_loop): Use INSN_P.
(find_and_verify_loops): Likewise.
(count_loop_regs_set): Likewise.
(loop_reg_used_before_p): Likewise.
(strength_reduce): Likewise.
(recombine_givs): Likewise.
(check_dbra_loop): Likewise.
(load_mems): Likewise.
(try_copy_prop): Likewise.
* print-rtl.c (print_rtx): Use INSN_P.
* recog.c (find_single_use): Use INSN_P.
* reg-stack.c (stack_regs_mentioned): Use INSN_P.
(next_flags_user): Likewise.
(swap_rtx_condition): Likewise.
* regmove.c (mark_flags_life_zones): Use INSN_P.
(optimize_reg_copy_1): Likewise.
(optimize_reg_copy_2): Likewise.
(optimize_reg_copy_3): Likewise.
(reg_is_remote_constant_p): Likewise.
(fixup_match_2): Likewise.
(regmove_optimize): Likewise.
(fixup_match_1): Likewise.
* regrename.c (build_def_use): Use INSN_P.
(replace_reg_in_block): Likewise.
(consider_use): Likewise.
* reload.c (find_equiv_reg): Use INSN_P.
* reload1.c (reload): Use INSN_P.
(maybe_fix_stack_asms): Likewise.
(calculate_needs_all_insns): Likewise.
(reload_as_needed): Likewise.
(emit_output_reload_insns): Likewise.
(delete_address_reloads_1): Likewise.
(reload_cse_regs_1): Likewise.
(reload_combine): Likewise.
(reload_cse_move2add): Likewise.
* reorg.c (redundant_insn): Use INSN_P.
(dbr_schedule): Likewise.
* resource.c (find_dead_or_set_registers): Use INSN_P.
(mark_target_live_regs): Likewise.
* rtlanal.c (reg_used_between_p): Use INSN_P.
(reg_referenced_between_p): Likewise.
(reg_set_between_p): Likewise.
(reg_set_p): Likewise.
(single_set): Likewise.
(multiple_sets): Likewise.
(find_last_value): Likewise.
(reg_set_last): Likewise.
(find_reg_note): Likewise.
(find_regno_note): Likewise.
* sibcall.c (sequence_uses_addressof): Use INSN_P.
* simplify-rtx.c (cselib_process_insn): Use INSN_P.
* ssa.c (find_evaluations): Use INSN_P.
(rename_block): Likewise.
(rename_equivalent_regs): Likewise.
* unroll.c (loop_find_equiv_value): Use INSN_P.
(set_dominates_use): Likewise.
* varasm.c (mark_constant_pool): Use INSN_P.
(mark_constants): Likewise.
* config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
(alphaev4_next_group): Likewise.
(alphaev5_next_group): Likewise.
* config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
(c4x_rptb_rpts_p): Likewise.
* config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
* config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
(rs6000_adjust_priority): Likewise.
* config/sh/sh.c (sh_loop_align): Use INSN_P.
(machine_dependent_reorg): Likewise.
(split_branches): Likewise.
* config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
From-SVN: r35494
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reg_scan_update is run.
* loop.c (scan_loop): Ensure update_end label does not
go away until reg_scan_update is run.
From-SVN: r35428
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set's mode.
* loop.c (canonicalize_condition): use destination, not source to
determine set's mode.
From-SVN: r35409
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* loop.c (check_dbra_loop): Make change from July 17, 2000 work
on targets which need more than one insn for a compare/cbranch
operation.
From-SVN: r35404
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* Makefile.in (OBJS): Add doloop.o.
* doloop.c: New file.
* final.c (insn_current_reference_address): Return 0 before final.
* flags.h (flag_branch_on_count_reg): Fix typos in commentary.
* jump.c (any_uncondjump_p): Likewise.
* loop.c (indirect_jump_in_function): Make static.
(strength_reduce): Call doloop_optimize.
(insert_bct, instrument_loop_bct): Remove.
* loop.h (doloop_optimize): Prototype.
* recog.c (split_all_insns): Split all INSN_P.
* toplev.c (flag_branch_on_count_reg): Default on.
* config/c4x/c4x.c (c4x_optimization_options): Don't set
flag_branch_on_count_reg.
* config/i386/i386.c (override_options): Likewise.
* config/rs6000/rs6000.c (optimization_options): Likewise.
* config/i386/i386.md (decrement_and_branch_on_count): Remove.
(doloop_end): New.
(dbra_ge): Remove, as well as all it's splitters.
* config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
(doloop_end): New.
* config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
(ia64_register_move_cost): Declare.
* config/ia64/ia64.c (ar_lc_reg_operand): New.
(struct ia64_frame_info): Add ar_size.
(ia64_compute_frame_size): Set it.
(save_restore_insns): Save and restore ar.lc.
(ia64_register_move_cost): New, moved from header file. Handle
application registers.
(REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
(emit_insn_group_barriers): Special case doloop_end_internal.
(ia64_epilogue_uses): Mark ar.lc live at end.
* config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
(AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
(FIRST_PSEUDO_REGISTER): Make room.
(AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
(FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
(REG_ALLOC_ORDER): Update.
(HARD_REGNO_MODE_OK): Update.
(REGISTER_NAMES): Update.
(enum reg_class): Add AR_M_REGS and AR_I_REGS.
(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
(REGNO_REG_CLASS): Update.
(LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
(REGISTER_MOVE_COST): Move out of line.
(PREDICATE_CODES): Update.
* config/ia64/ia64.md (movdi patterns): Handle ar register classes.
(addsi3_plus1_alt, adddi3_plus1_alt): New.
(shladd_elim splitter): Allow constants in the predicate.
(doloop_end, doloop_end_internal): New.
From-SVN: r35358
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From-SVN: r35344
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2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
* collect2.c (main): Typo fixed.
* diagnostic.c: Typo fixed.
* dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
* eh-common.h: Typo fixed.
* emit-rtl.c (start_sequence): Typo fixed.
* flow.c (find_label_refs): Typo fixed.
(calculate_global_regs_live): Typo fixed.
(mark_regno_cond_dead): Typo fixed.
(create_edge_list): Typos fixed.
(verify_edge_list): Typo fixed.
* ggc-common.c (ggc_mark_rtx_children): Typo fixed.
* loop.c (strength_reduce): Typo in function name fixed.
* rtl.h: Added comments. Typo in function name fixed.
* rtlanal.c: Typo in function name fixed.
(insn_dependant_p): Rename to ...
(insn_dependent_p): ... this.
(computed_jumo_p): Typo fixed.
From-SVN: r35194
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From-SVN: r35112
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From-SVN: r35103
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From-SVN: r35102
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control the loop.
* loop.c (check_dbra_loop) : Return if more than one condition is
present to control the loop.
From-SVN: r35096
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* ifcvt.c (EDGE_COMPLEX): Move definition ...
* basic-block.h (EDGE_COMPLEX): ... here.
* loop.c (check_dbra_loop): Specify the register when
generating REG_NONNEG notes and don't generate duplicates.
From-SVN: r34542
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From-SVN: r34237
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* combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
and pc_set at the place of simplejump_p and condjump_p.
* cse.c (record_jump_equiv): Likewise.
* emit-rtl.c (emit): Likewise.
* explow.c (find_next_ref): Likewise.
* flow.c (tidy_fallthru_edge): Likewise.
(init_propagate_block_info): Likewise.
* gcse.c (delete_null_pointer_checks): Likewise.
* ifcvt.c (cond_exec_get_condition, noce_get_condition,
dead_or_predicable): Likewise.
* integrate.c (copy_insn_list): Likewise.
* loop.c (scan_loop, verify_dominator, find_and_verify_loops,
for_each_insn_in_loop, check_dbra_loop, get_condition,
insert_bct, load_mems): Likewise.
* resource.c (find_dead_or_set_registers): Likewise.
* sibcalls.c (simplejump_p): Likewise.
* unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
From-SVN: r34175
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From-SVN: r34153
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* Back out this patch:
Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
* loop.h (struct induction): Add multi_insn_incr.
* loop.c (basic_induction_var): New multi_insn_incr argument.
Set it if we search back through previous insns for the biv.
(record_biv): New multi_insn_incr argument; fill in struct induction.
(strength_reduce): Discard an iv with multiple bivs, any of
which require multiple insns to increment.
* loop.c (check_insn_for_bivs): Remove bits copied from above patch.
From-SVN: r34151
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* rtl.h (loc_mentioned_in_p): Declare.
* reload.c (loc_mentioned_in_p): Moved from here...
* rtlanal.c (loc_mentioned_in_p): to here. No longer static.
Fix loop increment for 'E' handling.
* loop.c (strength_reduce): When doing biv->giv conversion,
take multi-insn biv increments into account.
From-SVN: r34150
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* cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
* reload.c (find_equiv_reg): Likewise.
* alias.c (init_alias_analysis): Likewise.
Only call prologue_epilogue_contains on insns.
* basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
* bb-reorder.c (hard-reg-set.h): Include earlier.
* haifa-sched.c (hard-reg-set.h): Likewise.
* ifcvt.c (hard-reg-set.h): Likewise.
* local-alloc.c (hard-reg-set.h): Likewise.
* loop.c (hard-reg-set.h): Likewise.
* predict.c (hard-reg-set.h): Likewise.
* regrename.c (hard-reg-set.h): Likewise.
* flow.c (hard-reg-set.h): Likewise.
(reg_set_to_hard_reg_set): New function.
* bitmap.c (regs.h, basic-block.h): No longer include.
(bitmap.h): Now include.
* conflict.c (hard-reg-set.h): Include.
* profile.c (hard-reg-set.h): Likewise.
* print-rtl.c (hard-reg-set.h): Likewise.
* sbitmap.c (hard-reg-set.h): Likewise.
* toplev.c (hard-reg-set.h): Likewise.
* unroll.c (hard-reg-set.h, basic-block.h): Likewise.
* hard-reg-set.h (reg_names): Now constant.
* regs.h (reg_names): Likewise.
* regclass.c (reg_names): Likewise.
* loop.h (basic-block.h): No longer include.
(bitmap.h): Now include.
* reload1.c (order_regs_for_reload): Avoid loop over reg sets.
* Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
(toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
From-SVN: r34039
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* jump.c (redirect_jump): Add delete_unused argument. Don't
remove labels and code following when LABEL_NUSES goes to zero.
(invert_jump): Likewise.
(jump_optimize_1): Fix redirect/invert arguments.
(do_cross_jump, thread_jumps): Likewise.
* flow.c (split_edge): Likewise.
* reorg.c (optimize_skip): Likewise.
(reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
* profile.c (instrument_arcs): Likewise.
* loop.c (find_and_verify_loops): Likewise. Fix indentation.
* rtl.h: Update prototypes.
From-SVN: r34033
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* rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
* rtl.h (insn_dependant_p): Declare it.
* loop.c (strength_reduce): Use it.
From-SVN: r34010
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* loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
and bct_p parameters to flags.
* loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
* rtl.h (loop_optimize): Update prototype.
* toplev.c (rest_of_compilation): Update call of loop_optimize.
From-SVN: r33912
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* cse.c (CSE_ADDRESS_COST): Remove.
(find_best_addr): Add new parameter "MODE", use address_cost instead
of CSE_ADDRESS_COST
(address_cost): New.
(fold_rtx): Update call of find_best_addr.
* rtl.h (address_cost): Declare.
* loop.c (general_induction_var): Add new parameter "MODE", use
address_cost instead of ADDRESS_COST
(init_loop): Use address_cost instead of ADDRESS_COST.
(check_insn_for_givs): Update call of general_induction_var.
(find_mem_givs): Likewise.
(consec_sets_giv): Likewise.
* config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
* i386.c (ix86_address_cost): New.
* i386-protos.h (ix86_address_cost): Declare.
From-SVN: r33486
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* unroll.c (unroll_loop): Avoid overflow in the n_iterations
calculation; rename const_equiv array in the preconditioning code
from loop_unroll to loop_unroll_precondition
From-SVN: r33480
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From-SVN: r33413
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* loop.c (strength_reduce): Simplify test to INSN_P.
(record_giv): Attempt to simplify the add value, use CONSTANT_P
expressions instead of CONST_INT.
(express_from_1): Likewise.
From-SVN: r33375
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* loop.c (simplify_giv_expr): Be more agressive on simplifying
constant MULT givs.
From-SVN: r33357
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CONSTANT_P for mult_val...
* loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
of CONSTANT_P for mult_val; always use validate_change to update insn.
From-SVN: r33353
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From-SVN: r33344
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From-SVN: r33302
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explaining the calculated value.
* loop.c (emit_iv_add_mult): Simplify it's input and emit
REG_EQUAL note explaining the calculated value.
From-SVN: r33283
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From-SVN: r33256
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From-SVN: r33254
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* loop.c (check_insn_for_bivs, for_every_insn_in_loop,
check_insn_for_givs): Break out from ...
(strength_reduce) ... here; use for_every_insn_in_loop to call
check_insn_for_givs.
* loop.h (for_every_insn_in_loop): Declare.
(loop_insn_callback): New type.
From-SVN: r33250
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* loop.c (canonicalize_condition): Add WANT_REG argument.
Stop the search if we match it.
* expr.h (canonicalize_condition): Update decl.
* predict.c (expected_value_to_br_prob): Use it. Track last
expected value note.
(find_expected_value): Remove.
* reorg.c (mostly_true_jump): Always use BR_PROB if present.
From-SVN: r33214
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modify sizes to be unsigned and use HOST_WIDE_INT.
* alias.c (reg_known_value_size): Now unsigned.
* c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
(really_start_incremental_init): Use bitsize_zero_node.
(push_init_level, pop_init_level, output_init_element): Likewise.
Use bitsize_unit_node and bitsize_one_node.
(output_pending_init_elements, process_init_element): Likewise.
* combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
(make_extraction): Position and length HOST_WIDE_INT and unsigned
HOST_WIDE_INT, respectively.
(get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
(num_sign_bit_copies): Returns unsigned.
BITWIDTH now unsigned; rework arithmetic.
Remove recursive call from arg to MAX.
(combine_instructions, init_reg_last_arrays): NREGS now unsigned.
(setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
REGNO now unsigned.
(set_nonzero_bit_and_sign_copies): NUM now unsigned.
(find_split_point, expand_compound_operation, make_extraction): LEN
now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
(make_field_assignment): Likewise.
(combine_simplify_rtx): Add cast.
(expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
(force_to_mode): WIDTH now unsigned; add cast.
(if_then_else_cond): SIZE now unsigned.
(nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
(extended_count): Now returns unsigned.
(simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
(simplify_comparison): MODE_WIDTH now unsigned.
(update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
(mark_used_regs_combine): Likewise; rework arithmetic.
(record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
(record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
(record_promoted_value): REGNO now unsigned.
(get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
(get_last_value): REGNO now unsigned.
(use_crosses_set_p): REGNO and ENDREGNO now unsigned.
(reg_dead_regno, reg_dead_endregno): Now unsigned.
(remove_death): Arg REGNO now unsigned.
(move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
(reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
now unsigned.
* convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
* cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
(struct cse_reg_info): REGNO now unsigned.
(cached_regno): Now unsigned.
(REGNO_QTY_VALID_P): Add cast.
(make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
(remove_invalid_regs): Likewise.
(remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
as are variables END and I.
(get_cse_reg_info, insert): Likewise.
(mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
(canon_hash): Likewise.
(insert_regs, lookup_for_remove): REGNO now unsigned.
(invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
New variable RN.
* dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
* dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
* emit-rtl.c (subreg_realpart_p): Add cast.
(operand_subword): Arg I is now unsigned as is var PARTWORDS.
(operand_subword_force): Arg I is now unsigned.
* except.c (eh_regs): Variable I is now unsigned.
* explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
* expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
length is unsigned HOST_WIDE_INT; likewise for internal variables.
(store_split_bit_field, extract_fixed_bit_field): Likewise.
(extract_split_bit_field, store_bit_field, extract_bit_field):
Likewise.
* expr.c (store_constructor_fields, store_constructor, store_field):
Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
(expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
(do_jump): Likewise.
(move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
MAX_SIZE is now unsigned.
(emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
(emit_group_store): Likewise.
(emit_move_insn): I now unsigned.
(store_constructor): Use host_integerp, tree_low_cst, and
bitsize_unit_node.
(get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
Rework all calculations to use trees and new fields.
* expr.h (promoted_input_arg): Regno now unsigned.
(store_bit_field, extract_bit_field): Adjust types of pos and size.
(mark_seen_cases): Arg is HOST_WIDE_INT.
* flow.c (verify_wide_reg_1): REGNO now unsigned.
* fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
precisions and alignments are unsigned.
(optimize_bit_field_compare, fold_truthop): Likewise.
(int_const_binop): Adjust threshold for size_int_type_wide call.
(fold_convert): Likewise.
(size_int_type_wide): Make table larger and fix thinko that only
had half of table used.
(all_ones_mask_p, fold): Precisions are unsigned.
* function.c (put_reg_info_stack): REGNO is unsigned.
(instantiate_decl): Size is HOST_WIDE_INT.
(instantiate_virtual_regs): I is unsigned.
(assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
(promoted_input_arg): REGNO is unsigned.
* function.h (struct function): x_max_parm_reg is now unsigned.
* gcse.c (max_gcse_regno): Now unsigned.
(struct null_pointer_info): min_reg and max_reg now unsigned.
(lookup_set, next_set): REGNO arg now unsigned.
(compute_hash_table): REGNO and I now unsigned.
(handle_avail_expr): regnum_for_replacing now unsigned.
(cprop_insn): REGNO now unsigned.
(delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
* ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
* global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
* hard-reg-set.h (reg_class_size): Now unsigned.
* integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
* jump.c (mark_modified_reg): I now unsigned; add cast.
(rtx_equal_for_thread_p): Add cast.
* loop.c (max_reg_before_loop): Now unsigned.
(struct_movable): REGNO now unsigned.
(try_copy_prop): REGNO arg unsigned.
(regs_match_p): XN and YN now unsigned.
(consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
(strength_reduce): Likewise; NREGS also unsigned.
(first_increment_giv, last_increment_giv unsigned): Now unsigned.
* loop.h (struct iv_class): REGNO now unsigned.
(max_reg_before_loop, first_increment_giv, last_increment_giv):
Now unsigned.
* machmode.h (mode_size, mode_unit_size): Now unsigned.
(mode_for_size, smallest_mode_for_size): Pass size as unsigned.
* optabs.c (expand_binop): I and NWORDS now unsigned.
(expand_unop): I now unsigned.
* print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
* real.c (significand_size): Now returns unsigned.
* real.h (significand_size): Likewise.
* regclass.c (reg_class_size): Now unsigned.
(choose_hard_reg_mode): Both operands now unsigned.
(record_reg_classes): REGNO and NR now unsigned.
(reg_scan): NREGS now unsigned.
(reg_scan_update): old_max_regno now unsigned.
(reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
* reload.c (find_valid_class): BEST_SIZE now unsigned.
(find_dummy_reload): REGNO, NWORDS, and I now unsigned.
(hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
Likewise for variable R.
(refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
(find_equiv_reg): Add casts.
(regno_clobbered_p): Arg REGNO now unsigned.
* reload.h (struct reload): NREGS now unsigned.
(refers_to_regno_for_reload_p): Regno args are unsigned.
(regno_clobbered_p): Likewise.
* reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
(compute_use_by_pseudos): REGNO now unsigned.
(find_reg): I and J now unsigned, new variable K, and change loop
variables accordingly; THIS_NREGS now unsigned.
(alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
(spill_hard_reg): REGNO arg now unsigned; add casts.
(forget_old_reloads_1): REGNO, NR, and I now unsigned.
(mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
(clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
(reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
(choose_reload_regs): MAX_GROUP_SIZE now unsigned.
(emit_reload_insns): REGNO now unsigned.
(reload_cse_move2add): Add cast.
(move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
and rework loop.
* resource.c (mark_referenced_resources, mark_set_resources): New
variable R; REGNO and LAST_REGNO now unsigned.
(mark_target_live_regs): J and REGNO now unsigned.
* rtl.c (mode_size, mode_unit_size): Now unsigned.
* rtl.h (union rtunion_def): New field rtuint.
(XCUINT): New macro.
(ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
(operand_subword, operand_subword_force): Word number is unsigned.
(choose_hard_reg_mode): Operands are unsigned.
(refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
(find_regno_note, find_regno_fusage, replace_regs): Likewise.
(regno_use_in, combine_instructions, remove_death): Likewise.
(reg_scan, reg_scan_update): Likewise.
(extended_count): Return is unsigned.
* rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
(reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
(reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
(reg_reg_last_1): FIRS and LAST now unsigned.
(dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
(dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
now unsigned.
(find_regno_note, regno_use_in): Arg REGNO now unsigned.
(find_regno_fusage): Likewise; also var REGNOTE now unsigned.
(find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
(replace_regs): Arg NREGS now unsigned.
* sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
* simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
(simplify_binary_operation): Likewise.
(cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
THIS_LAST now unsigned.
(cselib_record_set): Add cast.
* ssa.c (ssa_max_reg_num): Now unsigned.
(rename_block): REGNO now unsigned.
* stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
sizes now unsigned.
(all_cases_count): Just return -1 not -2.
COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
Rework tests to use trees whenever possible.
Use host_integerp and tree_low_cst.
(mark_seen_cases): COUNT arg now HOST_WIDE_INT;
Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
(check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
* stor-layout.c (mode_for_size): SIZE arg now unsigned.
(smallest_mode_for_size): Likewise.
(layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
KNOWN_ALIGN is now an alignment, so simplify code.
Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
(start_record_layout): Renamed from new_record_layout_info.
Update to new fields.
(debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
New functions.
(place_union_field): Renamed from layout_union_field.
Update to use new fields in rli.
(place_field): Renamed from layout_field.
Major rewrite to use new fields in rli; pass alignment to layout_decl.
(finalize_record_size): Rework to use new fields in rli and handle
union.
(compute_record_mode): Rework to simplify and to use new DECL fields.
(finalize_type_size): Make rounding more consistent.
(finish_union_layout): Deleted.
(layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
(layout_type, case RECORD_TYPE): Call new function names.
(initialize_sizetypes): Set TYPE_IS_SIZETYPE.
(set_sizetype): Set TYPE_IS_SIZETYPE earlier.
(get_best_mode): UNIT is now unsigned; remove casts.
* tree.c (bit_position): Compute from new fields.
(byte_position, int_byte_position): New functions.
(print_type_hash_statistics): Cast to remove warning.
(build_range_type): Use host_integerp and tree_low_cst to try to hash.
(build_index_type): Likewise; make subtype of sizetype.
(build_index_2_type): Pass sizetype to build_range_type.
(build_common_tree_nodes): Use size_int and bitsize_int to
initialize nodes; add bitsize_{zero,one,unit}_node.
* tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
(DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
(DECL_PACKED, DECL_BIT_FIELD): Likewise.
(DECL_FIELD_BITPOS): Deleted.
(DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
(DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
(DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
(DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
(DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
(DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
(DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
(DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
(DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
(DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
(DECL_ALIGN): Adjust to new field in union.
(DECL_OFFSET_ALIGN): New field.
(DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
(DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
(union tree_decl): Add struct for both aligns.
(enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
(bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
(struct record_layout_info): Rework fields to have offset
alignment and byte and bit position.
(start_record_layout, place_field): Renamed from old names.
(rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
(byte_position, int_byte_position): Likewise.
(get_inner_reference): Change types of position and length.
* unroll.c (unroll_loop): New variable R; use for some loops.
MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
(calculate_giv_inc): Arg REGNO now unsigned.
(copy_loop_body): REGNO and SRC_REGNO now unsigned.
* varasm.c (assemble_variable): Clean up handling of size using
host_integerp and tree_low_cst.
(decode_addr_const): Use byte, not bit, position.
(output_constructor): bitpos and offsets are HOST_WIDE_INT;
use tree_low_cst and int_bit_position.
* objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
* ch/actions.c (check_missing_cases): BYTES_NEEDED is HOST_WIDE_INT.
* ch/typeck.c (expand_constant_to_buffer): Use int_byte_position.
(extract_constant_from_buffer): Likewise.
* cp/class.c (build_vbase_pointer_fields): layout_field now
place_field.
(get_vfield_offset): Use byte_position.
(set_rtti_entry): Set OFFSET to ssizetype zero.
(get_binfo_offset_as_int): Deleted.
(dfs_record_base_offsets): Use tree_low_cst.
(dfs_search_base_offsets): Likewise.
(layout_nonempty_base_or_field): Reflect changes in RLI format
and call byte_position.
(layout_empty_base): Convert offset to ssizetype.
(build_base_field): use rli_size_unit_so_far.
(dfs_propagate_binfo_offsets): Do computation in proper type.
(layout_virtual_bases): Pass ssizetype to propagate_binfo_offsets.
(layout_class_type): Reflect changes in RLI names and fields.
(finish_struct_1): Set DECL_FIELD_OFFSET.
* cp/dump.c (dequeue_and_dump): Call bit_position.
* cp/expr.c (cplus_expand_constant): Use byte_position.
* cp/rtti.c (expand_class_desc): Use bitsize_one_node.
* cp/typeck.c (build_component_addr): Use byte_position and don't
special case for zero offset.
* f/com.c (ffecom_tree_canonize_ptr_): Use bitsize_zero_node.
(ffecom_tree_canonize_ref_): Likewise.
* java/class.c (make_field_value): Use byte_position.
* java/expr.c (JAVA_ARRAY_LENGTH_OFFSET): Use byte_position.
(java_array_data_offset): Likewise.
* java/java-tree.h (MAYBE_CREATE_TYPE_TYPE_LANG_SPECIFIC): Add case to
bzero call.
From-SVN: r32742
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NOTE_INSN_BLOCK_END notes have an...
* emit-rtl.c (remove_unncessary_notes): Check that all
NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
associated NOTE_BLOCK.
* function.h (identify_blocks): Update comments.
(reorder_blocks): Declare.
* function.c (identify_blocks): Don't take paramters.
(reorder_blocks): Don't take parameters.
* loop.h (find_loop_tree_blocks): Remove.
(unroll_block_trees): Likewise.
* loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
reorder_blocks instead of unroll_block_trees.h
* sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
* stmt.c (find_loop_tree_blocks): Remove.
(unroll_block_trees): Likewise.
* toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
in whole-function mode.
* tree.h (reorder_blocks): Remove declaration.
From-SVN: r32632
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From-SVN: r32538
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* loop.c (reg_in_basic_block_p): Don't abort when falling through
to the end of the function.
From-SVN: r32229
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