- o -

ob : add_to_obstack_info , graph
obj : ptr_data
object : type_change_info , live_range , change_t
object_size_type : object_size_info
objects : ira_allocno , object_block
obstack : bitmap_obstack , bitmap_head_def , output_block , output_buffer , ssa_conflicts_d , live_track_d
oecode : oecount_s
of : et_occ
off : vn_reference_op_struct
off_p : mem_addr_template
offmem_ok : operand_alternative
offset : condition , type_change_info , ipa_known_agg_contents_list , ipa_known_type_data , ipa_ancestor_jf_data , ipa_agg_jf_item , ipa_agg_replacement_value , ipa_parm_adjustment , elim_table , lra_reg , cgraph_indirect_call_info , mem_attrs , reg_attrs , cfa_loc , block_symbol , subreg_info , action_record , affine_tree_combination , innermost_loop_behavior , move_by_pieces_d , dref_d , access , store_by_pieces_d , mem_address , ao_ref_s , locate_and_pad_arg_data , name_to_bb , stridxlist , gcov_var , variable_info , constraint_expr , mmap_info , fieldoff , attrs_def , ipcp_value_source , variable_part_def::variable_aux , addr_const , ipcp_agg_lattice , rtx_constant_pool , constant_descriptor_rtx , agg_position_info
offset_known_p : mem_attrs
offset_map_n : group_info
offset_map_p : group_info
offset_map_size_n : group_info
offset_map_size_p : group_info
offset_unsigned : addr_diff_vec_flags
offsets : stdarg_info , vtable_registration
ok_for_sibcall : lang_hooks_for_decls
old : change_t
old_code : change_t
old_contents : undo
old_cp : iv_ca_delta
old_die : skeleton_chain_struct
old_expr_vinsn : expr_history_def_1
old_len : debug_prefix_map
old_name : rename_map_elt_s
old_node : create_version_alias_info
old_prefix : debug_prefix_map
old_pressure : bb_data
old_tree : ipa_replace_map
oldest_regno : value_data_entry
oldsolution : variable_info
omit_relative : spec_path_info
omp_clause_assign_op : lang_hooks_for_decls
omp_clause_copy_ctor : lang_hooks_for_decls
omp_clause_default_ctor : lang_hooks_for_decls
omp_clause_dtor : lang_hooks_for_decls
omp_cost : eni_weights_d
omp_disregard_value_expr : lang_hooks_for_decls
omp_finish_clause : lang_hooks_for_decls
omp_firstprivatize_type_sizes : lang_hooks_for_types
omp_mappable_type : lang_hooks_for_types
omp_predetermined_sharing : lang_hooks_for_decls
omp_private_debug_clause : lang_hooks_for_decls
omp_private_outer_ref : lang_hooks_for_decls
omp_privatize_by_reference : lang_hooks_for_decls
omp_report_decl : lang_hooks_for_decls
on_sccstack : vn_ssa_aux
on_stack : assign_parm_data_one , ipcp_value , ipa_dfs_info
on_tree : arc_info , edge_info
oneof : regexp
onepaux : variable_part_def::variable_aux
only_called_at_exit : cgraph_node , ipa_propagate_frequency_data
only_called_at_startup : cgraph_node , ipa_propagate_frequency_data
only_restrict_pointers : variable_info , fieldoff
only_vars : record_reference_ctx
op : oecount_s , inter_bb_range_test_entry , vn_nary_op_s , algorithm , optab_def_d , pattern_d , gimple_statement_with_ops , gimple_statement_with_memory_ops , gimple_statement_call , gimple_statement_asm , libfunc_entry , var_to_expand , simplify_plus_minus_op_data , chain , hashable_expr , operand_entry
op0 : separate_ops , vn_reference_op_struct
op1 : separate_ops , vn_reference_op_struct
op2 : separate_ops , vn_reference_op_struct
op_count : extraction
op_info : insn_rr_info
op_p : iv_use
opaque : lto_compression_stream
opcode : dw_line_info_struct , vn_reference_op_struct
open_chains_set : bb_rename_info
operand : data , ipa_pass_through_data , lra_static_insn_data , recog_data_d , insn_data_d
operand_alternative : lra_static_insn_data
operand_loc : recog_data_d , lra_insn_recog_data
operand_memory : ssa_operands
operand_memory_index : ssa_operands
operand_mode : recog_data_d
operand_num : condition
operand_number : data
operand_type : recog_data_d
operands : tree_exp , vn_reference_s
operands_swapped : _loop_vec_info
operation : ipa_pass_through_data
oplocs : extraction , accum_extract
opnd : hashable_expr
opnd0 : hashable_expr
opnd1 : hashable_expr
opnd2 : hashable_expr
opno : decision_test
ops : algorithm , hashable_expr
ops_active : ssa_operands
opt : pair , type , hw_doloop_hooks
opt0 : option_map
opt1 : option_map
opt_index : cl_decoded_option , cl_deferred_option
opt_len : cl_option
opt_permissive : diagnostic_context
opt_text : cl_option
optgroup_flags : dump_file_info
optinfo_flags : pass_data
option : param_info , diagnostic_classification_change_t , spec_path_info
option_enabled : diagnostic_context
option_index : diagnostic_info
option_lang_mask : lang_hooks
option_name : diagnostic_context
option_state : diagnostic_context
optional_p : dataflow
order : page_entry , symtab_node_base , asm_node , topo_info
order_pos : searchc_env
order_state_num : state
ordering : switchstr
orig : decl_table_entry
orig_bb_index : _expr
orig_block : move_stmt_d
orig_fnargs : assign_parm_data_all
orig_insn : _def
orig_loop : fmt_data
orig_mode : comparison
orig_option_with_args_text : cl_decoded_option
orig_reg : reg_saved_in_data_struct
orig_regno : invariant
orig_sched_cycle : _expr
orig_var : iv_to_split
origin : cgraph_node
original_schedule : scop
original_transaction_was_outer : tm_region
originators : _sel_insn_data
os_multilib : prefix_list
other : funny_match , eh_status::eh_status_u
other_btr_uses_after_use : btr_def_s
other_btr_uses_before_def : btr_def_s
other_count : switch_conv_info
other_insn : undobuf
other_use_this_block : btr_user_s
otr_token : cgraph_indirect_call_info , polymorphic_call_target_d
otr_type : cgraph_indirect_call_info
out : ddg_node , df_md_bb_info , variable_tracking_info_def , df_lr_problem_data , df_rd_bb_info , df_lr_bb_info , bb_info , df_live_problem_data , df_word_lr_bb_info , df_live_bb_info
out_edge : niter_desc
out_insn_reserv : bypass_decl
out_of_date_transfer_functions : dataflow
out_pattern : bypass_decl
outer : omp_region , eh_region_d , tm_region , nesting_info , omp_context , address_info , leh_tf_state
outer_context : gimplify_omp_ctx
outermost_exit : loop_data
outgoing_args_size : rtl_data
outlining_inline_function : gcc_debug_hooks
output : varpool_node , insn_data_d
output_format : insn_data_d , data
output_location : streamer_hooks
outside_cost : _vect_peel_extended_info
overall : loop_size
overall_size : stack_entry
overall_time : stack_entry
overhead : loc_descriptor
overread : gcov_var
override_column : diagnostic_info
own_end : btr_def_s