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* * sibcall.c (purge_mem_unchanging_flag): New function.jakub2000-10-241-11/+72
| | | | | | | | | (optimize_sibling_and_tail_recursive_calls): Call it. * g++.old-deja/g++.other/sibcall1.C: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37033 138bc75d-0d04-0410-961f-82ee72b054a4
* * sibcall.c (skip_pic_restore): New.rth2000-09-241-6/+26
| | | | | | | (identify_call_return_value): Use it. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36596 138bc75d-0d04-0410-961f-82ee72b054a4
* * sibcall.c (uses_addressof): Accept both addressof andrth2000-08-121-21/+16
| | | | | | | | | | | current_function_internal_arg_pointer inside a mem. (optimize_sibling_and_tail_recursive_call): Fail tail recursion if current_function_uses_addressof. * stmt.c (expand_return): Kill tail recursion and HAVE_return optimizations. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35657 138bc75d-0d04-0410-961f-82ee72b054a4
* * alias.c (mark_constant_function): Use INSN_P.law2000-08-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (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
* * sibcall.c (uses_addressof): Add INMEM argument, check forjakub2000-07-071-10/+24
| | | | | | | | | | | | | | | current_function_internal_arg_pointer outside of MEM rtxs in addition to ADDRESSOFs. (sequence_uses_addressof): Update caller. * gcc.c-torture/execute/20000706-1.c: New test. * gcc.c-torture/execute/20000706-2.c: New test. * gcc.c-torture/execute/20000706-3.c: New test. * gcc.c-torture/execute/20000706-4.c: New test. * gcc.c-torture/execute/20000706-5.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34906 138bc75d-0d04-0410-961f-82ee72b054a4
* * combine.c (try_combine): Use any_condjump_p, any_uncondjump_prth2000-05-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | 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
* * sibcall.c (indentify_call_return_value): Find last call in the chain;law2000-03-281-2/+9
| | | | | | | Allow stack adjustment after function call. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32791 138bc75d-0d04-0410-961f-82ee72b054a4
* * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO forjakub2000-03-241-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | comparison if regno's are equal. * calls.c (initialize_argument_informat): Add ecf_flags argument. Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL. (expand_call): Update caller. Avoid making a sibling call if argument size of the callee is larger than argument size of the caller. Call hard_function_value with outgoing set if in sibcall pass. Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL. * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used): Change LEAF_REGISTERS from an array initializer to actual array identifier. Move static global variable into the function. (leaf_function_p): Allow SIBLING_CALL_P calls even outside of sequences for leaf functions. * global.c (global_alloc): Likewise. * tm.texi (LEAF_REGISTERS): Update documentation. * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly TARGET_FLAT leaf disabling hack. (LEAF_REGISTERS): Changed from an array initializer to actual array identifier to avoid duplication and remove the above hack. (FUNCTION_OK_FOR_SIBCALL): Define. * config/sparc/sparc.md (sibcall): New attr type. Use it almost always like call attribute. (eligible_for_sibcall_delay): New attribute. (sibcall): New delay type. (sibcall, sibcall_value, sibcall_epilogue): New expands. (sibcall_symbolic_sp32, sibcall_symbolic_sp64, sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns. * config/sparc/sparc.c (sparc_leaf_regs): New array. (eligible_for_sibcall_delay, output_restore_regs, output_sibcall): New functions. (output_function_epilogue): Move part of the code into output_restore_regs. (ultra_code_from_mask, ultrasparc_sched_reorder): Handle TYPE_SIBCALL. * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New prototypes. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32730 138bc75d-0d04-0410-961f-82ee72b054a4
* * emit-rtl.c (remove_unncessary_notes): Check that allmmitchel2000-03-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32632 138bc75d-0d04-0410-961f-82ee72b054a4
* Sibling call optimizations.rth2000-03-171-0/+578
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32612 138bc75d-0d04-0410-961f-82ee72b054a4