diff options
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 295 |
1 files changed, 178 insertions, 117 deletions
@@ -131,6 +131,15 @@ typedef struct rtx_def rtunion fld[1]; } *rtx; +/* Add prototype support. */ +#ifndef PROTO +#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__) +#define PROTO(ARGS) ARGS +#else +#define PROTO(ARGS) () +#endif +#endif + #define NULL_RTX (rtx) 0 /* Define a generic NULL if one hasn't already been defined. */ @@ -139,8 +148,16 @@ typedef struct rtx_def #define NULL 0 #endif +#ifndef GENERIC_PTR +#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__) +#define GENERIC_PTR void * +#else +#define GENERIC_PTR char * +#endif +#endif + #ifndef NULL_PTR -#define NULL_PTR (char *) NULL +#define NULL_PTR ((GENERIC_PTR)0) #endif /* Define macros to access the `code' field of the rtx. */ @@ -568,118 +585,146 @@ extern char *note_insn_name[]; #define plus_constant_for_output(X,C) \ plus_constant_for_output_wide (X, (HOST_WIDE_INT) (C)) -extern rtx plus_constant_wide (), plus_constant_for_output_wide (); +extern rtx plus_constant_wide PROTO((rtx, HOST_WIDE_INT)); +extern rtx plus_constant_for_output_wide PROTO((rtx, HOST_WIDE_INT)); #define GEN_INT(N) gen_rtx (CONST_INT, VOIDmode, (N)) -extern rtx gen_rtx (); +#if 0 +/* We cannot define prototypes for the variable argument functions, + since they have not been ANSI-fied, and an ANSI compiler would + complain when compiling the definition of these functions. */ -extern char *xmalloc (); -extern char *xrealloc (); -extern char *oballoc (); -extern char *permalloc (); -extern void free (); -extern rtx rtx_alloc (); -extern rtvec rtvec_alloc (); -extern rtx find_reg_note (); -extern rtx find_regno_note (); -extern HOST_WIDE_INT get_integer_term (); -extern rtx get_related_value (); -extern rtx single_set (); -extern rtx find_last_value (); -extern rtx copy_rtx (); -extern rtx copy_rtx_if_shared (); -extern rtx copy_most_rtx (); -extern rtx replace_rtx (); +extern rtx gen_rtx PROTO((enum rtx_code, enum machine_mode, ...)); +extern rtvec gen_rtvec PROTO((int, ...)); + +#else +extern rtx gen_rtx (); extern rtvec gen_rtvec (); -extern rtvec gen_rtvec_v (); +#endif + +#ifdef BUFSIZ /* stdio.h has been included */ +extern rtx read_rtx PROTO((FILE *)); +#else extern rtx read_rtx (); -extern rtx gen_reg_rtx (); -extern rtx gen_label_rtx (); -extern rtx gen_inline_header_rtx (); -extern rtx gen_lowpart_common (); -extern rtx gen_lowpart (); -extern rtx gen_lowpart_if_possible (); -extern rtx operand_subword (); -extern rtx operand_subword_force (); -extern int subreg_lowpart_p (); -extern rtx make_safe_from (); -extern rtx memory_address (); -extern rtx get_insns (); -extern rtx get_last_insn (); -extern rtx get_last_insn_anywhere (); -extern void start_sequence (); -extern void push_to_sequence (); -extern void end_sequence (); -extern rtx gen_sequence (); -extern rtx expand_expr (); -extern rtx output_constant_def (); -extern rtx immed_real_const (); -extern rtx immed_real_const_1 (); -extern rtx immed_double_const (); -extern rtx force_const_mem (); -extern rtx get_pool_constant (); -extern enum machine_mode get_pool_mode (); -extern int get_pool_offset (); -extern rtx get_parm_real_loc (); -extern rtx assign_stack_local (); -extern rtx assign_stack_temp (); -extern rtx protect_from_queue (); -extern void emit_queue (); -extern rtx emit_move_insn (); -extern rtx emit_insn_before (); -extern rtx emit_jump_insn_before (); -extern rtx emit_call_insn_before (); -extern rtx emit_barrier_before (); -extern rtx emit_note_before (); -extern rtx emit_insn_after (); -extern rtx emit_jump_insn_after (); -extern rtx emit_barrier_after (); -extern rtx emit_label_after (); -extern rtx emit_note_after (); -extern rtx emit_line_note_after (); -extern rtx emit_insn (); -extern rtx emit_insns (); -extern rtx emit_insns_before (); -extern rtx emit_jump_insn (); -extern rtx emit_call_insn (); -extern rtx emit_label (); -extern rtx emit_barrier (); -extern rtx emit_line_note (); -extern rtx emit_note (); -extern rtx emit_line_note_force (); -extern rtx make_insn_raw (); -extern rtx previous_insn (); -extern rtx next_insn (); -extern rtx prev_nonnote_insn (); -extern rtx next_nonnote_insn (); -extern rtx prev_real_insn (); -extern rtx next_real_insn (); -extern rtx prev_active_insn (); -extern rtx next_active_insn (); -extern rtx prev_label (); -extern rtx next_label (); -extern rtx next_cc0_user (); -extern rtx prev_cc0_setter (); -extern rtx reg_set_last (); -extern rtx next_nondeleted_insn (); -extern enum rtx_code reverse_condition (); -extern enum rtx_code swap_condition (); -extern enum rtx_code unsigned_condition (); -extern enum rtx_code signed_condition (); -extern rtx find_equiv_reg (); -extern rtx squeeze_notes (); -extern rtx delete_insn (); -extern void delete_jump (); -extern rtx get_label_before (); -extern rtx get_label_after (); -extern rtx follow_jumps (); -extern rtx adj_offsettable_operand (); -extern rtx try_split (); -extern rtx split_insns (); -extern rtx simplify_unary_operation (), simplify_binary_operation (); -extern rtx simplify_ternary_operation (), simplify_relational_operation (); -extern rtx nonlocal_label_rtx_list (); +#endif + +#if 0 +/* At present, don't prototype xrealloc, since all of the callers don't + cast their pointers to char *, and all of the xrealloc's don't use + void * yet. */ +extern char *xrealloc PROTO((void *, unsigned)); +#else +extern char *xrealloc (); +#endif + +extern char *xmalloc PROTO((unsigned)); +extern char *oballoc PROTO((int)); +extern char *permalloc PROTO((int)); +extern void free PROTO((void *)); +extern rtx rtx_alloc PROTO((RTX_CODE)); +extern rtvec rtvec_alloc PROTO((int)); +extern rtx find_reg_note PROTO((rtx, enum reg_note, rtx)); +extern rtx find_regno_note PROTO((rtx, enum reg_note, int)); +extern HOST_WIDE_INT get_integer_term PROTO((rtx)); +extern rtx get_related_value PROTO((rtx)); +extern rtx single_set PROTO((rtx)); +extern rtx find_last_value PROTO((rtx, rtx *, rtx)); +extern rtx copy_rtx PROTO((rtx)); +extern rtx copy_rtx_if_shared PROTO((rtx)); +extern rtx copy_most_rtx PROTO((rtx, rtx)); +extern rtx replace_rtx PROTO((rtx, rtx, rtx)); +extern rtvec gen_rtvec_v PROTO((int, rtx *)); +extern rtx gen_reg_rtx PROTO((enum machine_mode)); +extern rtx gen_label_rtx PROTO((void)); +extern rtx gen_inline_header_rtx PROTO((rtx, rtx, int, int, int, int, int, int, rtx, int, int, rtvec, rtx)); +extern rtx gen_lowpart_common PROTO((enum machine_mode, rtx)); +extern rtx gen_lowpart PROTO((enum machine_mode, rtx)); +extern rtx gen_lowpart_if_possible PROTO((enum machine_mode, rtx)); +extern rtx operand_subword PROTO((rtx, int, int, enum machine_mode)); +extern rtx operand_subword_force PROTO((rtx, int, enum machine_mode)); +extern int subreg_lowpart_p PROTO((rtx)); +extern rtx make_safe_from PROTO((rtx, rtx)); +extern rtx memory_address PROTO((enum machine_mode, rtx)); +extern rtx get_insns PROTO((void)); +extern rtx get_last_insn PROTO((void)); +extern rtx get_last_insn_anywhere PROTO((void)); +extern void start_sequence PROTO((void)); +extern void push_to_sequence PROTO((rtx)); +extern void end_sequence PROTO((void)); +extern rtx gen_sequence PROTO((void)); +extern rtx immed_double_const PROTO((HOST_WIDE_INT, HOST_WIDE_INT, enum machine_mode)); +extern rtx force_const_mem PROTO((enum machine_mode, rtx)); +extern rtx force_reg PROTO((enum machine_mode, rtx)); +extern rtx get_pool_constant PROTO((rtx)); +extern enum machine_mode get_pool_mode PROTO((rtx)); +extern int get_pool_offset PROTO((rtx)); +extern rtx assign_stack_local PROTO((enum machine_mode, int, int)); +extern rtx assign_stack_temp PROTO((enum machine_mode, int, int)); +extern rtx protect_from_queue PROTO((rtx, int)); +extern void emit_queue PROTO((void)); +extern rtx emit_move_insn PROTO((rtx, rtx)); +extern rtx emit_insn_before PROTO((rtx, rtx)); +extern rtx emit_jump_insn_before PROTO((rtx, rtx)); +extern rtx emit_call_insn_before PROTO((rtx, rtx)); +extern rtx emit_barrier_before PROTO((rtx)); +extern rtx emit_note_before PROTO((int, rtx)); +extern rtx emit_insn_after PROTO((rtx, rtx)); +extern rtx emit_jump_insn_after PROTO((rtx, rtx)); +extern rtx emit_barrier_after PROTO((rtx)); +extern rtx emit_label_after PROTO((rtx, rtx)); +extern rtx emit_note_after PROTO((int, rtx)); +extern rtx emit_line_note_after PROTO((char *, int, rtx)); +extern rtx emit_insn PROTO((rtx)); +extern rtx emit_insns PROTO((rtx)); +extern rtx emit_insns_before PROTO((rtx, rtx)); +extern rtx emit_jump_insn PROTO((rtx)); +extern rtx emit_call_insn PROTO((rtx)); +extern rtx emit_label PROTO((rtx)); +extern rtx emit_barrier PROTO((void)); +extern rtx emit_line_note PROTO((char *, int)); +extern rtx emit_note PROTO((char *, int)); +extern rtx emit_line_note_force PROTO((char *, int)); +extern rtx make_insn_raw PROTO((rtx)); +extern rtx previous_insn PROTO((rtx)); +extern rtx next_insn PROTO((rtx)); +extern rtx prev_nonnote_insn PROTO((rtx)); +extern rtx next_nonnote_insn PROTO((rtx)); +extern rtx prev_real_insn PROTO((rtx)); +extern rtx next_real_insn PROTO((rtx)); +extern rtx prev_active_insn PROTO((rtx)); +extern rtx next_active_insn PROTO((rtx)); +extern rtx prev_label PROTO((rtx)); +extern rtx next_label PROTO((rtx)); +extern rtx next_cc0_user PROTO((rtx)); +extern rtx prev_cc0_setter PROTO((rtx)); +extern rtx reg_set_last PROTO((rtx, rtx)); +extern rtx next_nondeleted_insn PROTO((rtx)); +extern enum rtx_code reverse_condition PROTO((enum rtx_code)); +extern enum rtx_code swap_condition PROTO((enum rtx_code)); +extern enum rtx_code unsigned_condition PROTO((enum rtx_code)); +extern enum rtx_code signed_condition PROTO((enum rtx_code)); +extern rtx find_equiv_reg PROTO((rtx, rtx, enum reg_class, int, short *, int, enum machine_mode)); +extern rtx squeeze_notes PROTO((rtx, rtx)); +extern rtx delete_insn PROTO((rtx)); +extern void delete_jump PROTO((rtx)); +extern rtx get_label_before PROTO((rtx)); +extern rtx get_label_after PROTO((rtx)); +extern rtx follow_jumps PROTO((rtx)); +extern rtx adj_offsettable_operand PROTO((rtx, int)); +extern rtx try_split PROTO((rtx, rtx, int)); +extern rtx split_insns PROTO((rtx, rtx)); +extern rtx simplify_unary_operation PROTO((enum rtx_code, enum machine_mode, rtx, enum machine_mode)); +extern rtx simplify_binary_operation PROTO((enum rtx_code, enum machine_mode, rtx, rtx)); +extern rtx simplify_ternary_operation PROTO((enum rtx_code, enum machine_mode, enum machine_mode, rtx, rtx, rtx)); +extern rtx simplify_relational_operation PROTO((enum rtx_code, enum machine_mode, rtx, rtx)); +extern rtx nonlocal_label_rtx_list PROTO((void)); +extern rtx gen_move_insn PROTO((rtx, rtx)); +extern rtx gen_jump PROTO((rtx)); +extern rtx gen_beq PROTO((rtx)); +extern rtx gen_bge PROTO((rtx)); +extern rtx gen_ble PROTO((rtx)); +extern rtx eliminate_constant_term PROTO((rtx, rtx *)); /* Maximum number of parallel sets and clobbers in any insn in this fn. Always at least 3, since the combiner could put that many togetherm @@ -687,16 +732,13 @@ extern rtx nonlocal_label_rtx_list (); extern int max_parallel; -extern int asm_noperands (); -extern char *decode_asm_operands (); +extern int asm_noperands PROTO((rtx)); +extern char *decode_asm_operands PROTO((rtx, rtx *, rtx **, char **, enum machine_mode *)); -#ifdef BITS_PER_WORD -/* Conditional is to detect when config.h has been included. */ -extern enum reg_class reg_preferred_class (); -extern enum reg_class reg_alternate_class (); -#endif +extern enum reg_class reg_preferred_class PROTO((int)); +extern enum reg_class reg_alternate_class PROTO((int)); -extern rtx get_first_nonparm_insn (); +extern rtx get_first_nonparm_insn PROTO((void)); /* Standard pieces of rtx, to be substituted directly into things. */ extern rtx pc_rtx; @@ -773,8 +815,27 @@ extern rtx virtual_outgoing_args_rtx; #define LAST_VIRTUAL_REGISTER ((FIRST_VIRTUAL_REGISTER) + 3) -extern rtx find_next_ref (); -extern rtx *find_single_use (); +extern rtx find_next_ref PROTO((rtx, rtx)); +extern rtx *find_single_use PROTO((rtx, rtx, rtx *)); + +/* It is hard to write the prototype for expand_expr, since it needs + expr.h to be included for the enumeration. */ + +extern rtx expand_expr (); +extern rtx immed_real_const_1(); + +#ifdef TREE_CODE +/* rtl.h and tree.h were included. */ +extern rtx output_constant_def PROTO((tree)); +extern rtx immed_real_const PROTO((tree)); +extern rtx immed_real_const_1 PROTO((REAL_VALUE_TYPE, enum machine_mode)); +extern tree make_tree PROTO((tree, rtx)); + +#else +extern rtx output_constant_def (); +extern rtx immed_real_const (); +extern rtx immed_real_const_1 (); +#endif /* Define a default value for STORE_FLAG_VALUE. */ |