Here is a list of all struct and union fields with links to the structures/unions they belong to:

- r -

r : edge_def::edge_def_insns , undo
r1 : replace_label_data
r2 : replace_label_data
racc : assign_link
range_max : switch_conv_info
range_min : switch_conv_info
range_size : switch_conv_info
rank : haifa_sched_info , operand_entry , repeat_factor_d
rclass : reload
rcode : optab_def_d
rd_bitmaps : df_rd_problem_data
rdesc : ipa_constant_data
reaching_reg : expr , ls_expr , st_expr
read_avail_in : tm_memopt_bitmaps
read_avail_out : tm_memopt_bitmaps
read_local : tm_memopt_bitmaps
read_optimization_summary : ipa_opt_pass_d
read_rec : insn_info
read_summary : ipa_opt_pass_d
read_tree : streamer_hooks
reader_cache : data_in
readonly : deps_desc
readonly_flag : tree_base
ready : haifa_saved_data
ready_cycle : _sel_insn_data
ready_ticks : _fence
ready_ticks_size : _fence
real : tree_complex
real_cst_ptr : tree_real_cst
reason : switch_conv_info
receiver_decl : omp_context
recip_def : occurrence
recip_def_stmt : occurrence
reconstruct_complex_type : lang_hooks_for_types
record_align : record_layout_info_s
record_type : omp_context
recovery_block : _haifa_insn_data
recurrence_length : ddg_scc
redefined_extern_inline : cgraph_local_info
redirect_edge_and_branch : cfg_hooks
redirect_edge_and_branch_force : cfg_hooks
redo_entry_and_exit : df_d
reduc_phi : reduction_info
reduc_stmt : reduction_info
reduc_version : reduction_info
reduce : searchc_env
reduction : ipa_parm_adjustment
reduction_chains : _loop_vec_info
reduction_code : reduction_info , tree_omp_clause::omp_clause_subcode
reductions : _loop_vec_info
redundant_reason : store_info
reexamine : object_size_info
ref : dref_d , mem_addr_template , ao_ref_s , mem_ref_loc , csa_reflist , df_link , postorder_stack , data_reference
ref_alias_set : ao_ref_s
ref_always_accessed() : ref_always_accessed
ref_artificial_pool : df_scan_problem_data
ref_base_pool : df_scan_problem_data
ref_list : symtab_node_base
ref_modified : param_analysis_info
ref_order : df_base_ref , df_ref_info , df_d
ref_outside_mem : elim_table
ref_p : ipa_replace_map
ref_pass_instance_number : register_pass_info
ref_pressure : model_pressure_data
ref_regular_pool : df_scan_problem_data
refcount : indirect_string_node , addr_table_entry_struct , ipa_cst_ref_desc , strinfo_struct , variable_def , shared_hash_def
reference : pre_expr_union_d
reference_pass_name : register_pass_info
reference_to : tree_type_common
references : ipa_ref_list , vn_tables_s
references_pool : vn_tables_s
referred : ipa_ref
referred_index : ipa_ref
referring : ipa_ref , ipa_ref_list
reflist : record_stack_refs_data
refs : df_ref_info , regstat_n_sets_and_refs_t , chain , component , mem_ref_group
refs_size : df_ref_info
reg : arg_data , df_base_ref , web_entry , deferred_change , queued_reg_save , cfa_loc , init_expmed_rtl , ira_emit_data , invariant , var_to_expand , input_reload , stack_def , dead_debug_global_entry
reg0 : inc_insn , mem_insn
reg1 : inc_insn , mem_insn
reg1_is_const : inc_insn , mem_insn
reg1_state : inc_insn , mem_insn
reg1_val : inc_insn , mem_insn
reg_bitmaps : df_scan_problem_data
reg_chain : df_reg_info
reg_clobbers : idata_def
reg_flag : decomposition
reg_in_table : cse_reg_info
reg_last : deps_desc
reg_last_in_use : deps_desc
reg_moves : partial_schedule
reg_nonzero_bits : rtl_hooks
reg_num_sign_bit_copies : rtl_hooks
reg_parm_stack_space : assign_parm_data_all
reg_pool : df_scan_problem_data
reg_pressure : ira_loop_tree_node , _haifa_insn_data
reg_pressure_excess_cost_change : _haifa_insn_data
reg_qty : cse_reg_info
reg_res : inc_insn
reg_rtx : reload
reg_save : dw_cfi_row_struct
reg_set : stack_def
reg_set_list : _haifa_insn_data
reg_sets : idata_def
reg_tick : cse_reg_info
reg_truncated_to_mode : rtl_hooks
reg_use_list : _haifa_insn_data
reg_uses : idata_def
regclass : constraint_data
regcost : table_elt
regdecl_flag : tree_function_decl
regexp : reserv_decl , insn_reserv_decl , repeat_regexp , regexp
regexps : sequence_regexp , allof_regexp , oneof_regexp
regexps_num : sequence_regexp , allof_regexp , oneof_regexp
regimplify : copy_body_data
region : eh_landing_pad_d , gimple_statement_eh_ctrl , ivs_params , scop , bsc , ifsese_s , leh_tf_state
region_array : eh_status
region_tree : eh_status
region_type : gimplify_omp_ctx
register_builtin_type : lang_hooks_for_types
register_dump_files() : gcc::pass_manager
register_dump_files_1() : gcc::pass_manager
register_one_dump_file() : gcc::pass_manager
register_overhead() : vec_prefix
register_pass() : gcc::pass_manager
registered : vtbl_map_node
regno : likely_spilled_retval_info , df_base_ref , ira_allocno , biv_entry , to_inherit , lra_live_range , lra_insn_reg , slot , du_head , reload , reg_use_data , reg_set_data
regno1 : lra_copy
regno1_dest_p : lra_copy
regno1_next : lra_copy
regno2 : lra_copy
regno2_next : lra_copy
regno_allocno_map : ira_loop_tree_node
regno_pointer_align : emit_status
regno_pointer_align_length : emit_status
regs : lra_insn_recog_data , resources , parms_set_data , target_globals , dataflow_set_def
regs_active : expand_value_data
regs_ever_used : hard_regs_data
regs_for_call_clobbered : hard_regs_data
regs_for_mode : hard_regs_data
regs_for_mode_ok : hard_regs_data
regs_for_rename : hard_regs_data
regs_inited : df_d
regs_live : seginfo , bb_info , loop_data
regs_ref : loop_data
regs_saved_in_regs : dw_trace_info
regs_set_in_loop : hwloop_info_d
regs_size : df_d
regs_used : ivopts_data
regular_block_artificial_uses : df_d
regular_ref : df_ref_d
reject : operand_alternative
related_cands : iv_use
related_stmt : _stmt_vec_info
related_value : table_elt
relation : rdg_edge
release() : vec< T, A, vl_ptr > , va_heap , va_gc , va_stack
release_overhead() : vec_prefix
relevant : ivopts_data , _stmt_vec_info
reload : target_globals
reloads_num : usage_insns
remaining_in_alignment : record_layout_info_s
remap_decls_p : move_stmt_d
remapping_type_depth : copy_body_data
remove() : vn_phi_hasher , vn_reference_hasher , same_succ_def , val_ssa_equiv_hasher , dead_debug_hash_descr , variable_hasher , expr_elt_hasher , cost_classes_hasher , typed_free_remove< Type > , counts_entry , cu_hash_table_entry_hasher , clast_index_hasher , typed_noop_remove< Type > , odr_hasher , polymorphic_call_target_hasher , freeing_string_slot_hasher , stats_counter_hasher , log_entry_hasher
remove_elt() : hash_table< Descriptor, Allocator >
remove_elt_with_hash() : hash_table< Descriptor, Allocator >
remove_param : ipa_parm_adjustment
remove_problem_fun : df_problem
removed : stmt_stats
removed_last_insn : cmpd_local_params
removed_p : _list_iterator
removed_phis : stmt_stats
removed_stmt : walk_stmt_info
rename_vops : gimple_df
renaming_hash_table : lto_file_decl_data
reorder_fn : walk_type_data , ptr_data
reorder_note_routine : write_types_data
rep : constraint_graph
rep_bb : bb_cluster_def
repeat : regexp
repeat_num : repeat_regexp
repl_set : ssa_name_info
repl_stmt : goto_queue_node
replace : equivalence , _dep
replace_apply : haifa_saved_data
replace_p : ipa_replace_map
replaceable_expressions : temp_expr_table_d
replaced : dw_loc_list_struct
replacement : equivalence
replacement_decl : access
replacement_deps : haifa_saved_data
replacements : dead_debug_insn_data
repr : repeat_factor_d
representable_p : subreg_info
representative : stack_var
require_machine_suffix : prefix_list
res : res_pair
reserv : regexp , decl , pattern_reserv
reserv_decl : reserv_regexp
reserv_is_used : reserv_decl
reserve() : va_stack , vec< T, A, vl_ptr > , va_heap , va_stack , va_heap , va_gc
reserve_exact() : vec< T, A, vl_ptr >
reservs : state
reset : elv_data
reset_fun : df_problem
resolution_map : lto_file_decl_data
resolved_addr : dw_loc_list_struct
resolved_back_deps : _haifa_deps_insn_data
resolved_forw_deps : _haifa_deps_insn_data
resolved_p : _sd_iterator
respairs : lto_file_decl_data
rest : affine_tree_combination , choice_entry
restart_block : tm_region
restore_regno : lra_reg
restore_state : haifa_sched_info
restrict_flag : tree_type_common
result : _edge_var_map , nrv_data , vn_phi_s , tree_decl_non_common , vn_reference_s , vn_nary_op_s , gimple_statement_phi , searchc_env
result_vdef : vn_reference_s
return_cost : eni_weights_d
return_rtx : rtl_data
return_statements : lower_data
return_temp : gimplify_ctx
returned_free_list : alloc_pool_def
returns_pcc_struct : function
returns_struct : function
returns_twice_flag : tree_function_decl
retvar : copy_body_data
reuse_distance : mem_ref
reuse_expansion : var_to_expand
reverse : store_by_pieces_d , move_by_pieces_d
reverse_code : atomic_op_functions
reverse_cond : _haifa_deps_insn_data
reversed_p : data_dependence_relation
revision : plugin_gcc_version
rewrite_mem_ref_loc() : rewrite_mem_ref_loc
rflow : fixup_edge_d
rfo : dst_file_info_struct
rgn_blocks : region
rgn_nr_blocks : region
rhs : constraint , gimple_statement_omp_atomic_load , edge_info , idata_def , edge_equivalency , hashable_expr , store_info
right : case_node , et_node
rightmost_occ : et_node
rld : insn_chain
root : _slp_instance , nesting_copy_body_data
root_die : comdat_type_struct
round : trace
round_towards_zero : real_format
routine_name : code_motion_path_driver_info_def
row : node_sched_params
rows : partial_schedule
rows_length : partial_schedule
rowsize : lambda_trans_matrix_s
rrotate() : double_int
rshift() : double_int
rslt_type : chain
rt_addr_diff_vec_flags : rtunion_def
rt_bb : rtunion_def
rt_cfi : rtunion_def
rt_constant : rtunion_def
rt_cselib : rtunion_def
rt_int : rtunion_def
rt_mem : rtunion_def
rt_reg : rtunion_def
rt_rtvec : rtunion_def
rt_rtx : rtunion_def
rt_str : rtunion_def
rt_tree : rtunion_def
rt_type : rtunion_def
rt_uint : rtunion_def
rtl : tree_decl_with_rtl , constant_descriptor_tree , basic_block_def::basic_block_il_dependent , addr_table_entry_struct::addr_table_entry_struct_union , cgraph_node , attr_hash , target_globals , set
rtl_opt_pass() : rtl_opt_pass
rtx_base : group_info
ruid : reg_use
rule : pp_wrapping_mode_t
run : profile_record
run_max : gcov_ctr_summary
runs : gcov_ctr_summary
rw_unconditionally : ifc_dr