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From-SVN: r36993
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a pointer and its aligment if...
* loop.c (strength_reduce): Show when new register made for
giv is known to be a pointer and its aligment if so and known.
(loop_dump_aux): Show VERBOSE parameter unused.
From-SVN: r36975
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From-SVN: r36942
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* Makefile.in (ggc-callbacks.o): Remove target.
(flow.o): Depend on GGC_H.
* alias.c (init_alias_analysis):
Remove ggc_p conditionals.
(end_alias_analysis): Likewise.
* basic-block.h (init_flow): New function.
(allocate_reg_life_data): Declare.
* bb-reorder.c (function_obstack): Replace with ...
(flow_obstack): ... new variable.
(fixup_reorder_chain): Use it.
* c-decl.c (ggc_p): Remove.
(caller-save.c): Don't call oballoc/obfree.
* combine.c (struct
undobuf): Remove storage.
(try_combine): Don't call oballoc.
(undo_all): Don't call obfree.
* cse.c (insert): Use xmalloc, not
oballoc.
(cse_main): Adjust accordingly.
* dwarf2out.c (save_rtx): Remove
obstack code.
(dwarf2out_init): Remove ggc_p conditionals.
* emit-rtl.c (rtl_obstack): Remove.
(gen_rtx_CONST_INT): Remove ggc_p conditionals.
(make_insn_raw): Likewise.
(emit_insn_before): Likewise.
(emit_insn_after): Likewise.
(emit_insn): Likewise.
(gen_sequence): Likewise.
(copy_insn_1): Remove handling of `b' RTL components.
(init_emit_once): Remove ggc_p conditionals.
* except.c (create_rethrow_ref): Don't fool with obstacks.
(add_partial_entry): Likewise.
(call_get_eh_context): Likewise.
(begin_protect_partials): Likewise.
(protect_with_terminate): Likewise.
* explow.c
(plus_constant_wide): Likewise.
* expr.c (init_expr_once):
Likewise.
(emit_block_move): Likewise.
(clear_storage): Likewise.
(expand_expr): Likewise.
* flow.c (function_obstack): Remove.
(flow_obstack): New variable.
(flow_firstobj): Likewise.
(create_base_block): Use the flow_obstack.
(split_block): Likewise.
(split_edge): Likewise.
(calculate_global_regs_live): Likewise.
(allocate_bb_life_data): Make it static. Likewiwse.
(init_flow): New function.
(size_int_type_wide): Remove ggc_p conditionals.
* function.c
(push_function_context_to): Don't call save_tree_status.
(pop_function_context_from): Or restore_tree_status.
(assign_stack_local_1): Don't call push_obstacks.
(find_fixup_replacement): Use xmalloc.
(fixup_var_refs_insns): Free the storage.
(insns_for_mem_walk): Don't mess with obstacks.
(instantiate_decls): Likewise.
(trampoline_address): Likewise.
(expand_function_end): Likewise.
* function.h (sturct function):
Remove obstack-related variables.
(save_tree_status): Don't declare.
(restore_tree_status): Likewise.
* gcse.c (compute_can_copy):
Don't call oballoc/obfree.
* genattrtab.c (operate_exp): Remove
ggc_p conditionals.
(simplify_cond): Likewise.
(simplify_test_exp): Don't mess with obstacks.
(optimize_attrs): Likewise.
* gengenrtl.c (gendef): Don't include
ggc_p conditionals.
* ggc-callbacks.c (ggc_p): Remove.
* ggc-none.c (ggc_p): Remove.
* ggc.h (ggc_p): Don't declare.
* integrate.c (save_for_inline): Don't mess with obstacks.
(integrate_decl_tree): Likewise.
(output_inline_function): Likewise.
* lists.c
(init_EXPR_INSN_LIST_cache): Likewise.
* loop.c (temp_obstack):
Remove.
(rtl_obstack): Likewise.
(init_loop): Don't mess with obstacks.
(reg_address_cost): Free BIVs and GIVs.
(check_insns_for_bivs): Use xmalloc, not oballoc.
(find_mem_givs): Likewise.
(record_biv): Likewise.
(general_induction_var): Likewise.
(product_cheap_p): Likewse.
* optabs.c (init_one_libfunc): Remove
ggc_p conditional.
* print-tree.c (debug_tree): Don't use
oballoc/obfree.
(print_node): Likewise.
* profile.c (output_func_start_profiler):
Remove call to temporary_allocation.
* reload1.c
(eliminate_regs_in_insn): Don't mess with obstacks.
* resource.c
(mark_target_live_regs): Use xmalloc.
(free_resource_info): Free the memory.
* rtl.c (rtl_obstack):
Remove.
(rtvec_alloc): Don't mess with obstacks.
(rtx_alloc): Likewise.
(rtx_free): Remove.
(copy_rtx): Don't handle `b' cases.
(read_rtx): Use a local rtl_obstack.
* rtl.h (oballoc): Remove.
(obfree): Likewise.
(pop_obstacks): Likewise.
(push_obstacks): Likewise.
(allocate_bb_life_data): Likewise.
(allocate_reg_life_data): Likewise.
(rtx_free): Likewise.
* sdbout.c (sdbout_queue_anonymous_type):
Use tree_cons, not saveable_tree_cons.
* simplify-rtx.c
(cselib_init): Don't mess with obstacks.
* stmt.c
(mark_block_nesting): Mark the label_chain.
(epxand_label): Use ggc_alloc, not oballoc.
(clear_last_expr): Don't mess with obstacks.
(expand_decl_cleanup): Likewise.
(expand_dcc_cleanup): Likewise.
(expand_dhc_cleanup): Likewise.
(expand_anon_union_decl): Likewise.
(add_case_node): Use xmalloc, not oballoc.
(free_case_nodes): New function.
(expand_end_case): Call it.
* stor-layout.c (layout_type): Don't
mess with obstacks.
(layout_type): Likewise.
* toplev.c (wrapup_global_declarations):
Likewise.
(compile_file): Remove ggc_p conditionals.
(rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
(decode_f_option): Remove ggc_p conditionals.
* tree.c
(function_maybepermanent_obstack): Remove.
(maybepermanent_obstack): Likewise.
(function_obstack): Likewise.
(tmeporary_obstack): Likewise.
(momentary_obstack): Likewise.
(temp_decl_obstack): Likewise.
(saveable_obstack): Likewise.
(rtl_obstack): Likewise.
(current_obstack): Likewise.
(expression_obstack): Likewise.
(struct obstack_stack): Likewise.
(obstack_stack): Likewise.
(obstack_stack_obstack): Likewise.
(maybepermanent_firstobj): Likewise.
(temporary_firstobj): Likewise.
(momentary_firstobj): Likewise.
(temp_decl_firstobj): Likewise.
(momentary_function_firstobj): Likewise.
(all_types_permanent): Likewise.
(struct momentary_level): Likewise.
(momentary_stack): Likewise.
(init_obstacks): Remove initialization of removed obstacks.
(save_tree_status): Remove.
(restore_tree_status): Likewise.
(temporary_allocation): Liekwise.
(end_temporary_allocation): Liekwise.
(resume_temporary_allocation): Likewise.
(saveable_allocation): Likewise.
(push_obstacks): Likewise.
(push_obstacks_nochange): Likewise.
(pop_obstacks): Likewise.
(allocation_temporary_p): Likewise.
(permanent_allocation): Likewise.
(preserve_data): Likewise.
(preserve_initializer): Likewise.
(rtl_in_current_obstack): Likewise.
(rtl_in_saveable_obstack): Likewise.
(oballoc): Likewise.
(obfree): Likewise.
(savealloc): Likewise.
(expralloc): Likewise.
(print_obstack_name): Likewise.
(debug_obstack): Likewise.
(object_permanent_p): Likewise.
(push_momentary): Likewise.
(perserve_momentary): Likewise.
(clear_momentary): Likewise.
(pop_momentary): Likewise.
(pop_momentary_nofree): Likewise.
(suspend_momentary): Likewise.
(resume_momentary): Likewise.
(make_node): Don't set TREE_PERMANENT.
(copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
Don't set TREE_PERMANENT.
(get_identifier): Remove ggc_p conditionals.
(build_string): Likewise.
(make_tree_vec): Likewise.
(build_decl_list): Remove.
(build_expr_list): Likewise.
(tree_cons): Remove ggc_p conditionals.
(decl_tree_cons): Remove.
(expr_tree_cons): Likewise.
(perm_tree_cons): Likewise.
(temp_tree_cons): Likewise.
(saveable_tree_cons): Likewise.
(build1): Remove ggc_p conditionals.
(build_parse_node): Likewise.
(build_type_attribute_variant): Don't mess with obstacks.
(build_type_copy): Likewise.
(type_hash_canon): Likewise.
(build_pointer_type): Likewise.
(build_reference_type): Likewise.
(build_index_type): Likewise.
(build_range_type): Likewise.
(dump_tree_statistics): Don't print obstack information.
* tree.h
(struct tree_common): Remove permanent_flag.
(TREE_PERMANENT): Remove.
(TREE_SET_PERMANENT): Likewise.
(TYPE_OBSTACK): Likewise.
(struct tree_type): Remove obstack.
(oballoc): Remove.
(savealloc): Likewise.
(build_decl_list): Likewise.
(build_expr_list): Likewise.
(perm_tree_cons): Likewise.
(temp_tree_cons): Likewise.
(saveable_tree_cons): Likewise.
(decl_tree_cons): Likewise.
(expr_tree_cons): Likewise.
(suspend_momentary): Likewise.
(allocation_temporary_p): Likewise.
(resume_momentary): Likewise.
(push_obstacks_nochange): Likewise.
(permanent_allocation): Likewise.
(push_momentary): Likewise.
(clear_momentary): Likewise.
(pop_momentary): Likewise.
(end_temporary_allocation): Likewise.
(pop_obstacks): Likewise.
(push_obstacks): Likewise.
(pop_momentary_nofree): LIkewise.
(preserve_momentary): Likewise.
(saveable_allocation): Likewise.
(temporary_allocation): Likewise.
(resume_temporary_allocation): Likewise.
(perserve_initializer): Likewise.
(debug_obstack): Likewise.
(rtl_in_current_obstack): Likewise.
(rtl_in_saveable_obstack): Likewise.
(obfree): Likewise.
* varasm.c (current_obstack): Remove.
(saveable_obstack): Remove.
(rtl_obstack): Remove.
(immed_double_const): Don't mess with obstacks.
(immed_real_cons): Likewise.
(output_constant_def): Likewise.
(init_varasm_status): Use xcalloc.
(mark_pool_constant): Mark the pool constant itself.
(free_varasm_status): Free memory.
(decode_rtx_const): Call bzero directly, rather than expanding it
inline.
(record_rtx_const): Don't mess with obstacks.
(force_const_mem): Likewise.
* config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
conditionals.
(aof_pic_entry): Likewise.
* config/ia64/ia64.c (ia64_encode_section_info): Likewise.
* config/m32r/m32r.c (m32r_encode_section_info): Likewise.
* config/pa/pa.c (saveable_obstack): Remove.
(rtl_obstack): Likewise.
(current_obstack): Likewise.
(output_call): Don't mess with obstacks.
(hppa_encode_label): Remove ggc_p conditionals.
* config/romp/romp.c (get_symref): Don't mess with obstacks.
* config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
(rs6000_encode_section_info): Likewise.
* config/sh/sh.c (get_fpscr_rtx): Likewise.
From-SVN: r36856
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2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* loop.c (check_final_value): A GIV is not replaceable if used
before set.
From-SVN: r36668
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From-SVN: r36536
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* loop.c: Fix formatting.
* loop.h: Likewise.
From-SVN: r36400
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From-SVN: r36375
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From-SVN: r36354
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* loop.h (LOOP_IVS): New macro.
(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.
From-SVN: r36336
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* loop.h (LOOP_REGS): New macro.
(struct loop_regs): New.
(struct loop_info): Add regs field.
* loop.c (set_in_loop): Remove global array and store
in loop_regs structure as part of loop_info structure.
(n_times_set, may_not_optimize): Likewise.
(reg_single_usage, moved_once): Likewise.
(count_one_set): Add regs argument.
(combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
(set_pseudo_multiple_uses): Pass regs pointer.
From-SVN: r36335
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fields store_mems...
* loop.h (struct loop_mem_info): Move from loop.c
(struct loop_info): Add fields store_mems, mems, mems_idx,
mems_allocated, unknown_address_altered,
unknown_constant_address_altered, num_mem_sets, and
first_loop_store_insn.
* loop.c (loop_store_mems): Replace with field in loop_info struct.
(loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
(unknown_address_altered, unknown_constant_address_altered): Likewise.
(num_mem_sets): Likewise.
(replace_loop_mems, replace_loop_regs): New.
(struct loop_replace_args): New.
(load_mems): Use replace_loop_mems.
(try_copy_prop): Use replace_loop_regs.
(replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
From-SVN: r36284
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* loop.c (struct movables): New.
(num_movables): Move into struct movables.
(the_movables): Change type to struct movables.
(ignore_some_movables): Change struct movable arg to struct movables.
(force_movables, combine_movables, regs_match_p): Likewise.
(rtx_equal_for_loop_p, move_movables): Likewise.
(scan_loop): Change movables to be of type struct movables.
Replace last_movable with field in movables structure.
From-SVN: r36278
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* loop.c (strength_reduce): Call check_ext_dependant_givs.
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.
From-SVN: r36250
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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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