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* * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.m.hayes2001-01-251-1/+1
| | | | | | | | | | | | | | | | (loop_insn_emit_before): No longer static. (move_movables): Replace emit_insn_after with loop_insn_emit_after. (loop_givs_rescan, load_mems): Likewise. (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before. (maybe_eliminate_biv_1): (move_movables): Replace emit_call_insn_before with loop_call_insn_hoist. * loop.h (loop_insn_emit_before): Add. * unroll.c (copy_loop_body): Replace emit_insn_before with loop_insn_emit_before. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39260 138bc75d-0d04-0410-961f-82ee72b054a4
* * unroll.c (precondition_loop_p): Fail if no iterationrth2001-01-161-1/+8
| | | | | | | variable found. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39064 138bc75d-0d04-0410-961f-82ee72b054a4
* * unroll.c (loop_iterations): If we cannot prove iteration variablejakub2001-01-131-0/+15
| | | | | | | is set once in each iteration, punt. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38996 138bc75d-0d04-0410-961f-82ee72b054a4
* * loop.h (total_biv_increment): Constify iv_class pointer.m.hayes2001-01-121-1/+1
| | | | | | | | | | | (struct induction): Replace `mem_mode' with `mem' rtx. * unroll.c (total_biv_increment): Constify iv_class pointer. * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx. (find_mem_givs, combine_givs_p): Likewise. (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38933 138bc75d-0d04-0410-961f-82ee72b054a4
* * hard-reg-set.h: Add multiple include guard.m.hayes2001-01-071-53/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * basic-block.h (struct loop): Add `sink' field. * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h. (emit_iv_add_mult): Delete. (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define. (loop_iv_add_mult_emit_before, loop_insn_sink): Define. (unroll_loop): Remove end_insert_before argument. * loop.c (loop_givs_rescan): Remove end_insert_before argument. (maybe_eliminate_biv_1): Likewise. (emit_iv_add_mult): Delete. (gen_add_mult, loop_regs_update): New. (loop_insn_emit_after, loop_insn_emit_before): New. (loop_insn_sink, loop_insn_sink_or_swim): New. (emit_iv_add_mult): Delete. (scan_loop): Set loop->sink. (loop_givs_reduce): Use loop_insn_sink and its ilk. (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise. (maybe_eliminate_biv_1): Likewise. (maybe_eliminate_biv_1): Add basic block argument. * unroll.c (unroll_loop): Remove end_insert_before argument. (find_splittable_regs): Likewise. (find_splittable_regs): Use loop_insn_sink and its ilk. (find_splittable_givs, final_biv_value, final_giv_value): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38766 138bc75d-0d04-0410-961f-82ee72b054a4
* * reload.c (subst_reloads): Take INSN argument. Whenaoliva2001-01-071-2/+2
| | | | | | | | | | | | | | | | | | | | replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note. * reload.h (subst_reloads): Adjust prototype. * reload1.c (reload_as_needed): Pass INSN to subst_reloads. * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes present in JUMP_INSNs and copy them to JUMP_LABEL. * flow.c (find_label_refs, find_basic_blocks_1): Skip JUMP_INSNs and insns with REG_LABELs that are followed by JUMP_INSNs with the same REG_LABEL. * sched-rgn.c (is_cfg_nonregular): Likewise. * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL note is available. * unroll.c (unroll_loop): Look for REG_LABEL notes in JUMP_INSNs too. * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38755 138bc75d-0d04-0410-961f-82ee72b054a4
* * loop.c (debug_biv, debug_giv): New.m.hayes2001-01-061-3/+3
| | | | | | | | | | | | (loop_biv_dump): Break out from ... (record_biv): ... here. (loop_giv_dump): Break out from ... (record_giv): ... here. (loop_bivs_check): Use print_simple_rtl. * unroll.c (loop_iterations): Use print_simple_rtl. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38744 138bc75d-0d04-0410-961f-82ee72b054a4
* * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.m.hayes2001-01-011-7/+4
| | | | | | | | | | (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise. (record_initial): Likewise. * unroll.c (copy_loop_body, loop_iterations): Likewise. (remap_split_bivs): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38584 138bc75d-0d04-0410-961f-82ee72b054a4
* * loop.h (struct iv): New.m.hayes2001-01-011-4/+4
| | | | | | | | | | | | (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'. (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info', 'reg_biv_class' fields with 'regs' and 'n_regs'. (struct ivs): Rename 'loop_iv_list' field to 'list'. * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array. * unroll.c (loop_iterations): Check array bounds with ivs->n_regs. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38582 138bc75d-0d04-0410-961f-82ee72b054a4
* * loop.h (REG_IV_CLASS): New accessor macro.m.hayes2001-01-011-7/+7
| | | | | | | | * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array. * unroll.c (REG_IV_CLASS): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38580 138bc75d-0d04-0410-961f-82ee72b054a4
* * loop.h (REGNO_FIRST_LUID, REGNO_LAST_LUID): Define.m.hayes2001-01-011-6/+6
| | | | | | | | | * loop.c (REGNO_FIRST_LUID, REGNO_LAST_LUID): Use in place of direct access to uid_luid array. * unroll.c (REGNO_FIRST_LUID, REGNO_LAST_LUID): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38575 138bc75d-0d04-0410-961f-82ee72b054a4
* * function.h (emit_status): Delete member regno_pointer_flag andlaw2000-11-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | rename regno_pointer_flag_length to regno_pointer_align_length. Delete define for REGNO_POINTER_FLAG. * integrate.h (inline_remap): Delete member regno_pointer_flag. Add member x_regno_reg_rtx. * rtl.h (rtx_def): Use frame_related bit to indicate register is a pointer in REG expressions. Define REG_POINTER macro. * alias.c (find_base_value, find_base_term): Use REG_POINTER instead of REGNO_POINTER_FLAG. * combine.c (nonzero_bits, num_sign_bit_copies): Likewise. * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead of regno_pointer_flag_length. Remove code which refers to regno_pointer_flag. (mark_reg_pointer): Use REG_POINTER. (free_emit_status): Remove code which refers to regno_pointer_flag. (init_emit, mark_emit_status): Likewise. * flow.c (dump_flow_info): Likewise. * function.c (preserve_temp_slots): Likewise. * integrate.c (expand_inline_function, copy_rtx_and_substitute): Use x_regno_reg_rtx instead of regno_pointer_flag for function pointer determination in map. * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER. * predict.c (estimate_probability): Likewise. * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise. * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of regno_pointer_flag for function pointer determination in map. * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use REG_POINTER. * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand): Use REG_POINTER. (restore_unscaled_index_insn_codes): Revise comment. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37863 138bc75d-0d04-0410-961f-82ee72b054a4
* * alias.c (init_alias_analysis), calls.c (expand_call,jsm282000-11-071-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | emit_library_call_value_1), combine.c (init_reg_last_arrays), cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c (init_output_buffer, set_diagnostic_context), dwarf2out.c (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c (init_emit_once), fold-const.c (mul_double, div_and_round_double), function.c (assign_parms), gcse.c (compute_can_copy, alloc_gcse_mem, alloc_reg_set_mem, record_one_set, compute_hash_table, compute_set_hash_table, compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info, clear_units, schedule_block), integrate.c (initialize_for_inline, expand_inline_function), jump.c (thread_jumps), local-alloc.c (local_alloc), loop.c (combine_movables, count_loop_regs_set, load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree), regclass.c (init_reg_sets, init_reg_sets_1, regclass, record_reg_classes, allocate_reg_info), reload.c (get_secondary_mem, remove_address_replacements, find_reloads), reload1.c (reload, set_initial_label_offsets, finish_spills, reload_as_needed, choose_reload_regs_init, reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c (rename_registers), stmt.c (expand_end_case), unroll.c (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset () instead of bzero (). ch: * actions.c (check_missing_cases), typeck.c (build_chill_slice, build_chill_cast): Use memset () instead of bzero (). cp: * class.c (duplicate_tag_error, build_vtbl_initializer), decl.c (push_binding_level), error.c (cp_tree_printer), pt.c (process_partial_specialization, tsubst_template_arg_vector), search.c (lookup_member): Use memset () instead of bzero (). java: * expr.c (note_instructions), jcf-io.c (find_class), jcf-parse.c (init_outgoing_cpool), lex.c (java_init_lex): Use memset () instead of bzero (). git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37303 138bc75d-0d04-0410-961f-82ee72b054a4
* Kill recombine_givs.rth2000-09-191-74/+7
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36536 138bc75d-0d04-0410-961f-82ee72b054a4
* * unroll.c (copy_loop_body): Update LABEL_NUSES beforerth2000-09-191-1/+3
| | | | | | | calling invert_jump. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36529 138bc75d-0d04-0410-961f-82ee72b054a4
* Fix IA-64 abort compiling ping.wilson2000-09-181-2/+3
| | | | | | | | * unroll.c (loop_iterations): Pass increment to extend_for_giv_value before passing it to fold_rtx_mult_add. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36518 138bc75d-0d04-0410-961f-82ee72b054a4
* Fix for IA-64 abort compiling xaaPCache.c from XFree86wilson2000-09-181-1/+2
| | | | | | | | * unroll.c (final_giv_value): Pass increment through extend_value_for_giv before passing it to emit_iv_add_mult. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36517 138bc75d-0d04-0410-961f-82ee72b054a4
* * unroll.c: Fix formatting.law2000-09-121-64/+55
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36361 138bc75d-0d04-0410-961f-82ee72b054a4
* * loop.h (LOOP_IVS): New macro.m.hayes2000-09-111-31/+41
| | | | | | | | | | | | | | | | | | | (REG_IV_TYPE, REG_IV_INFO): Add ivs argument. (struct loop_ivs): New. (struct loop_info): Add ivs field. (reg_iv_type, reg_iv_info): Delete prototype. (reg_biv_class, loop_iv_list): Likewise. * loop.c (record_biv, find_life_end): Pass loop argument. (reg_iv_type): Remove global array and use field in loop_regs structure within loop_ivs structure. (reg_iv_info, reg_biv_class, loop_iv_list): Likewise. (first_increment_giv, last_increment_giv): Use entry in loop_ivs structure. (record_initial): Pass ivs pointer. * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36336 138bc75d-0d04-0410-961f-82ee72b054a4
* * unroll.c (iteration_info): Subsume into loop_iterations.m.hayes2000-09-111-125/+115
| | | | | | | * loop.h (loop_info): New field iv. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36334 138bc75d-0d04-0410-961f-82ee72b054a4
* * loop.c (strength_reduce): Call check_ext_dependant_givs.rth2000-09-071-3/+8
| | | | | | | | | | | | | | | | | | | | Properly extend the biv initial value for the giv. (record_biv): Zero ext_dependant. (record_giv): New argument ext_val. Update all callers. (general_induction_var): Likewise. (consec_sets_giv): Likewise. (simplify_giv_expr): Likewise. Fill in ext_val if we find a sign-extend, zero-extend, or truncate. (combine_givs_p): Make sure modes are compatible. (check_ext_dependant_givs): New. (extend_value_for_giv): New. * loop.h (struct induction): Add ext_dependant. * unroll.c (iteration_info): Extend the biv initial value for the giv. (find_splittable_givs): Likewise. (final_giv_value): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36250 138bc75d-0d04-0410-961f-82ee72b054a4
* * unroll.c (unroll_loop): Check for unconditional jumpsclm2000-09-071-0/+47
| | | | | | | | to loop continuation. Delete if n_iterations is 1. (ujump_to_loop_cont): New routine. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36235 138bc75d-0d04-0410-961f-82ee72b054a4
* * unroll.c (loop_find_equiv_value): If ret is modified betweenjakub2000-08-211-0/+5
| | | | | | | | | insn and loop_start, ret might not be equivalent to reg. * gcc.c-torture/execute/20000819-1.x: Remove. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35857 138bc75d-0d04-0410-961f-82ee72b054a4
* * alias.c (mark_constant_function): Use INSN_P.law2000-08-041-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35494 138bc75d-0d04-0410-961f-82ee72b054a4
* * unroll.c (copy_loop_body): Fix one instance of using hostgeoffk2000-07-181-2/+3
| | | | | | | | arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit cross-compile. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35109 138bc75d-0d04-0410-961f-82ee72b054a4
* * combine.c (try_combine): Use any_condjump_p, any_uncondjump_prth2000-05-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34175 138bc75d-0d04-0410-961f-82ee72b054a4
* Jan Hubicka <jh@suse.cz>rth2000-05-251-16/+7
| | | | | | | | | | | | | | | | | | | | * jump.c (invert_exp_1): Remove first argument, use pc_set to get the expression. (redirect_exp): Make static; redirect only the pc_set expression, remove first argument. (invert_exp): Remove first argument, make static. (jump_optimize): Use any_condjump_p, any_uncondjump_p and any_onlyjump at most places where we originaly did condjump_p and simplejump_p. (jump_back_p, follow_jumps, thread_jumps): Likewise. (delete_barrier_succesors): Use pc_set. (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update calls of invert_exp and redirect_exp. * rtl.h (redirect_exp, invert_exp): Remove. * unroll.c (copy_loop_body): Use invert_jump and redirect_jump. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34171 138bc75d-0d04-0410-961f-82ee72b054a4
* * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.kenner2000-05-191-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34039 138bc75d-0d04-0410-961f-82ee72b054a4
* * Makefile.in (final.o): Depend on BASIC_BLOCK_H.rth2000-05-121-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * final.c (final_end_function): Use app_disable. Rearrange note handling into a switch. Emit deleted labels. (output_asm_label): Generate label strings for deleted labels. * flow.c (tail_recursion_label_list): New. (find_basic_blocks_1): Set label_value_list directly. Collect list of tail recursion labels from call_placeholders. Don't add deleted labels to the label value list. (cleanup_cfg): Use free_EXPR_LIST_list. (flow_delete_insn_chain): Turn non-removable labels into notes. (flow_delete_block): Don't disable deleting the block because of a non-removable label. (tail_recursion_label_p): New. (merge_blocks_move_predecessor_nojumps): Don't disable the merge because of a label. (merge_blocks_move_successor_nojumps): Likewise. Also move a jump table. (merge_blocks): Disable a merge because of tail recursion labels. * ifcvt.c (merge_if_block): Don't disable a merge because of a label. Use a more accurate measure of not merging the join block. (find_if_block): Don't disable conversion because of a label. (find_if_case_1, find_if_case_2): Likewise. * jump.c (duplicate_loop_exit_test): Preserve the kind of list element when copying. (squeeze_notes): Also leave EH notes. (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for REG_LABEL notes. (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when deleting a label. * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref referring to a deleted label. Convert tail handling to a switch. * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE for NOTE_INSN_DELETED_LABEL. (NOTE): Fix commentary. * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST. (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise. (CODE_LABEL_NUMBER, LABEL_NAME): Update index. (LABEL_NUSES, LABEL_REFS): Likewise. * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33876 138bc75d-0d04-0410-961f-82ee72b054a4
* * loop.c (load_mems) Don't use hard registers for the hoisting.hubicka2000-04-271-1/+3
| | | | | | | | | * 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 git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33480 138bc75d-0d04-0410-961f-82ee72b054a4
* * Rework fields used to describe positions of bitfields andkenner2000-03-251-30/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32742 138bc75d-0d04-0410-961f-82ee72b054a4
* Fix copyrights.law2000-02-261-1/+2
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32179 138bc75d-0d04-0410-961f-82ee72b054a4
* * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.kenner2000-02-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cppinit.c (new_pending_define): Add cast to avoid warning. * expmed.c (extract_bit_field): Likewise. * flow.c (enum reorder_skip_type): New type. (skip_insns_between_blcok): New it. Rework to avoid warning about possibly undefined variable. * function.c (assign_parms): Make thisparm_boundary unsigned. * genrecog.c (write_switch): Cast XWINT result to int. * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING. * mips-tfile.c (init_file): Make two versions of FDR intializer: one for MIPS and one for Alpha. (get_tag, copy_object): Add casts to avoid warnings. * optabs.c (init_one_libfunc): Cast NAME to (char *). * reload.c (find_reloads): Make TYPE enum reload_type. * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L". * unroll.c (unroll_loop): Initialize UNROLL_NUMBER. * varasm.c (compare_constant_1): Add cast to avoid warning. * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC to (char *). (alpha_expand_unaligned_load, alpha_expand_unaligned_store): Cast switch operand of size to int. (alpha_expand_epilogue): Always initialize fp_offset and sa_reg. * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort in unhandled case. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32060 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (mark_regs_live_at_end): Delete unused variables.ghazi2000-02-101-1/+1
| | | | | | | | | | | | | | | * ggc-page.c (ggc_page_print_statistics): bzero -> memset. * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment' in macro FRAME_GROWS_DOWNWARD. * stmt.c (expand_end_bindings): Delete unused variable. * unroll.c (iteration_info): Mark parameter `loop' with ATTRIBUTE_UNUSED. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31895 138bc75d-0d04-0410-961f-82ee72b054a4
* * frame.c (find_fde): Convert for loop to do-while so compilerzack2000-02-011-5/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sees it's always executed at least once. * libgcc2.c (BBINBUFSIZE): Kill. (__bb_init_prg): Use fgets. (__bb_exit_trace_func): Don't paste strings. * unroll.c (unroll_loop): Initialize unroll_type, not unroll_number, and tweak logic to match. * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in all failure paths. (ix86_flags_dependant): Likewise. Disentangle control flow. (ix86_sched_reorder): Break guts out to ix86_sched_reorder_pentium and ix86_sched_reorder_ppro. (ix86_sched_reorder_ppro): Initialize pair2 and insnp before any possible use. * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't use string concatenation. Don't save and restore esi. * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def. (machname.h): Remove script to separate file. Use two-step sequence so target is not created if script fails. * fixinc/gen-machname.h: New file. Handle case where no non-reserved identifiers are defined. * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is an empty string, machine_name doesn't need to do anything at all. (is_cxx_header): Add more cases to regexp. * fixinc/fixlib.h: Update prototype. * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of mn_get_regexps. * fixinc/fixincl.c: Define NO_BOGOSITY. * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out. (hp_sysfile): Add missing comma. (math_exception): Put the wrapper ifdefs at the beginning and the end of the file. * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31744 138bc75d-0d04-0410-961f-82ee72b054a4
* 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>m.hayes2000-01-251-101/+104
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * loop.c (current_loop_info): Delete. (consec_sets_invariant_p): Add loop argument, update callers. (get_condition_for_loop): Likewise. (count_nonfixed_reads, update_giv_derive): Likewise. (simplify_giv_expr, general_induction_var): Likewise. (consec_sets_giv, recombine_givs): Likewise. (move_movables): Delete loop_start and loop_end arguments, add loop argument, and update callers. (find_mem_givs, check_final_value): Likewise. (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise. (loop_invariant_p): Rename from invariant_p, add loop argument, and update callers. (basic_induction_var): Add loop argument, delete loop_level argument, and update callers. * unroll.c (iteration_info): Delete loop_start and loop_end arguments, add loop argument, and update callers. (find_splittable_regs, find_splittable_givs): Likewise. (reg_dead_after_loop, loop_find_equiv_value): Likewise. (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise. (biv_total_increment): Delete loop_start and loop_end arguments; update callers. (precondition_loop_p): Delete loop_start and loop_info arguments; update callers. * loop.h (get_condition_for_loop): Add loop argument. (biv_total_increment): Delete loop_start and loop_end arguments. (precondition_loop_p): Delete loop_start and loop_info arguments; add loop argument. (final_biv_value): Delete loop_start and loop_end arguments; add loop argument. (final_giv_value, back_branch_in_range_p): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31618 138bc75d-0d04-0410-961f-82ee72b054a4
* 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>m.hayes2000-01-251-2/+2
| | | | | | | | | | | * loop.h (LOOP_INFO): New accessor macro. * basic-block.h (struct loop): Rename field `info' to `aux'. * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop). (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise. * unroll.c (loop_iterations, unroll_loop): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31596 138bc75d-0d04-0410-961f-82ee72b054a4
* loop.cm.hayes2000-01-191-4/+8
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31500 138bc75d-0d04-0410-961f-82ee72b054a4
* * toplev.c: PROTO -> PARAMS.ghazi2000-01-171-15/+15
| | | | | | | | | | | | | * toplev.h: Likewise. * tree.c: Likewise. * tree.h: Likewise. * unroll.c: Likewise. * varasm.c: Likewise. * varray.c: Likewise. * varray.h: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31462 138bc75d-0d04-0410-961f-82ee72b054a4
* * loop.c (this_loop_info): Delete.m.hayes2000-01-151-39/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (uid_loop): Add in place of uid_loop_num. All uses updated. (loop_number_exit_count): Delete and replace with entry in loop structure. All uses updated. (loop_number_loop_starts, loop_number_loop_ends): Likewise. (loop_number_loop_cont, loop_number_cont_dominator): Likewise. (loop_outer_loop): Likewise. (loop_invalid, loop_number_exit_labels): Likewise. (loop_used_count_register): Delete and replace with entry in loop_info structure. (find_and_verify_loops): Add loops argument. (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start, loop_end, etc. arguments with loop structure pointer. All callers changed. (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise. (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise. (load_mems_and_recount_loop_regs_set, load_mems): Likewise. (insert_bct): Likewise. (basic_induction_var): New argument level. * loop.h (struct loop_info): Delete fields num, loops_enclosed, vtop, and cont. Add used_count_register. (uid_loop): Delete declaration. (loop_number_exit_count): Likewise. (loop_number_loop_starts, loop_number_loop_ends): Likewise. (loop_number_loop_cont, loop_number_cont_dominator): Likewise. (loop_outer_loop, loop_used_count_register): Likewise. (loop_invalid, loop_number_exit_labels): Likewise. (unroll_loop): Replace loop_start and loop_end arguments with loop structure pointer. (loop_precondition_p, loop_iterations): Likewise. Include basic-block.h. * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments with loop structure pointer. (loop_precondition_p, loop_iterations): Likewise. * basic-block.h (struct loop): New entries vtop, cont, cont_dominator, start, end, top, scan_start, exit_labels, exit_count. * Makefile.in (LOOP_H): Add basic-block.h to dependencies. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31434 138bc75d-0d04-0410-961f-82ee72b054a4
* * unroll.c (unroll_loop): Add EH support.mrs2000-01-111-0/+13
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31334 138bc75d-0d04-0410-961f-82ee72b054a4
* * builtins.c (expand_builtin_strlen): Initialize variable `icode'.ghazi2000-01-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * calls.c (expand_call): Likewise for `old_stack_arg_under_construction'. * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'. * function.c (pad_to_arg_alignment): Likewise for `save_var' and `save_constant'. * gcc.c (execute): Likewise for `ut' and `st'. * genattrtab.c (attr_rtx): Likewise for `rt_val'. * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'. * jump.c (jump_optimize_1): Likewise for `temp2'. * local-alloc.c (block_alloc): Likewise for `r1'. * loop.c (recombine_givs): Likewise for `life_start' and `life_end'. * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'. (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'. * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node' and `set2'. * reload.c (find_reloads): Likewise for `goal_alternative_number' and `goal_earlyclobber'. * scan-decls.c (scan_decls): Likewise for `prev_id_end'. * sdbout.c (sdbout_one_type): Likewise for `member_scl'. * stupid.c (stupid_life_analysis): Likewise for `chain'. * unroll.c (copy_loop_body): Likewise for `copy'. * varasm.c (output_constructor): Likewise for `byte'. ch: * actions.c (update_else_range_for_int_const): Initialize variables `lowval' and `highval'. (update_else_range_for_range): Likewise for `low_range_val' and `high_range_val'. cp: * class.c (warn_hidden): Initialize variable `fndecl'. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31207 138bc75d-0d04-0410-961f-82ee72b054a4
* * alias.c (nonlocal_reference_p): Add else for disjoint ifs.rth1999-12-271-1/+1
| | | | | | | | | | | | | | | | * flow.c (find_use_as_address): Likewise. * function.c (fixup_var_refs_1): Likewise. (walk_fixup_memory_subreg, fixup_stack_1): Likewise. * jump.c (invert_exp, redirect_exp): Likewise. * loop.c (replace_call_address): Likewise. (count_nonfixed_reads): Likewise. * rtlanal.c (modified_between_p): Likewise. (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise. (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise. * unroll.c (remap_split_bivs): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31103 138bc75d-0d04-0410-961f-82ee72b054a4
* * Makefile.in (toplev.o): Depend on loop.h.ghazi1999-12-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * dwarfout.c: Include tm_p.h. * emit-rtl.c (restore_emit_status): Mark parameter with ATTRIBUTE_UNUSED. * final.c (final_scan_insn): Likewise. * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find, flow_depth_first_order_compute, flow_loop_pre_header_find, flow_loop_tree_node_add, flow_loops_tree_build, flow_loop_level_compute, flow_loops_level_compute, flow_loop_outside_edge_p): Add prototypes. (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED. * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack): Mark with ATTRIBUTE_NORETURN. * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED. * local-alloc.c (no_conflict_p): Likewise. * loop.c (insert_bct): Hide definitions of variables with hidden usage. (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED. * regclass.c (memory_move_secondary_cost): Mark variable `mem' with ATTRIBUTE_UNUSED. (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED. (reg_scan): Likewise. * reload.c (find_reloads): Remove unused variables `changed'. * reload1.c (reload_reg_class_lower): Don't unnecessarily cast away const-ness. (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED. Remove unused variable `insn'. * toplev.c: Include loop.h. (report_file_and_line): Remove unnecessary prototype. * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED. * unroll.c (biv_total_increment): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31085 138bc75d-0d04-0410-961f-82ee72b054a4
* current_function -> cfuncrux1999-12-201-2/+2
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31033 138bc75d-0d04-0410-961f-82ee72b054a4
* * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.amylaar1999-12-181-5/+8
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31016 138bc75d-0d04-0410-961f-82ee72b054a4
* Fix abort in loop_iterationscrux1999-11-291-4/+2
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30698 138bc75d-0d04-0410-961f-82ee72b054a4
* * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.rth1999-11-121-1/+2
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30513 138bc75d-0d04-0410-961f-82ee72b054a4
* * jump.c (jump_optimize_1): Swap the incscc and the conditional modelaw1999-11-021-0/+24
| | | | | | | | | | detection code * unroll.c (unroll_loop): Remove LOOP notes when loop is completely unrolled. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30352 138bc75d-0d04-0410-961f-82ee72b054a4
* * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.law1999-11-021-5/+4
| | | | | | | Remove explicit zero initializations of entries within MAP. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30337 138bc75d-0d04-0410-961f-82ee72b054a4
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