/* Communication between reload.c, reload1.c and the rest of compiler.
- Copyright (C) 1987-2014 Free Software Foundation, Inc.
+ Copyright (C) 1987-2015 Free Software Foundation, Inc.
This file is part of GCC.
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
+#ifndef GCC_RELOAD_H
+#define GCC_RELOAD_H
/* If secondary reloads are the same for inputs and outputs, define those
macros here. */
SECONDARY_RELOAD_CLASS (CLASS, MODE, X)
#endif
-extern int register_move_cost (enum machine_mode, reg_class_t, reg_class_t);
-extern int memory_move_cost (enum machine_mode, reg_class_t, bool);
-extern int memory_move_secondary_cost (enum machine_mode, reg_class_t, bool);
+extern int register_move_cost (machine_mode, reg_class_t, reg_class_t);
+extern int memory_move_cost (machine_mode, reg_class_t, bool);
+extern int memory_move_secondary_cost (machine_mode, reg_class_t, bool);
/* Maximum number of reloads we can need. */
#define MAX_RELOADS (2 * MAX_RECOG_OPERANDS * (MAX_REGS_PER_ADDRESS + 1))
enum reg_class rclass;
/* The mode this operand should have when reloaded, on input. */
- enum machine_mode inmode;
+ machine_mode inmode;
/* The mode this operand should have when reloaded, on output. */
- enum machine_mode outmode;
+ machine_mode outmode;
/* The mode of the reload register. */
- enum machine_mode mode;
+ machine_mode mode;
/* the largest number of registers this reload will require. */
unsigned int nregs;
value indicates the level of indirect addressing supported, e.g., two
means that (MEM (MEM (REG n))) is also valid if (REG n) does not get
a hard register. */
- bool x_spill_indirect_levels;
+ unsigned char x_spill_indirect_levels;
/* True if caller-save has been reinitialized. */
bool x_caller_save_initialized_p;
enough to save the entire contents of the register. When saving the
register because it is live we first try to save in multi-register modes.
If that is not possible the save is done one register at a time. */
- enum machine_mode (x_regno_save_mode
+ machine_mode (x_regno_save_mode
[FIRST_PSEUDO_REGISTER]
[MAX_MOVE_MAX / MIN_UNITS_PER_WORD + 1]);
/* The list of insns that initialized reg N from its equivalent
constant or memory slot. */
- rtx init;
+ rtx_insn_list *init;
};
#define reg_equiv_constant(ELT) \
/* Functions from reload.c: */
extern reg_class_t secondary_reload_class (bool, reg_class_t,
- enum machine_mode, rtx);
+ machine_mode, rtx);
#ifdef GCC_INSN_CODES_H
extern enum reg_class scratch_reload_class (enum insn_code);
/* Return a memory location that will be used to copy X in mode MODE.
If we haven't already made a location for this mode in this insn,
call find_reloads_address on the location being returned. */
-extern rtx get_secondary_mem (rtx, enum machine_mode, int, enum reload_type);
+extern rtx get_secondary_mem (rtx, machine_mode, int, enum reload_type);
/* Clear any secondary memory locations we've made. */
extern void clear_secondary_mem (void);
address, namely: sum constant integers, surround the sum of two
constants with a CONST, put the constant as the second operand, and
group the constant on the outermost sum. */
-extern rtx form_sum (enum machine_mode, rtx, rtx);
+extern rtx form_sum (machine_mode, rtx, rtx);
/* Substitute into the current INSN the registers into which we have reloaded
the things that need reloading. */
/* Check the insns before INSN to see if there is a suitable register
containing the same value as GOAL. */
extern rtx find_equiv_reg (rtx, rtx_insn *, enum reg_class, int, short *,
- int, enum machine_mode);
+ int, machine_mode);
/* Return 1 if register REGNO is the subject of a clobber in insn INSN. */
-extern int regno_clobbered_p (unsigned int, rtx_insn *, enum machine_mode, int);
+extern int regno_clobbered_p (unsigned int, rtx_insn *, machine_mode, int);
/* Return 1 if X is an operand of an insn that is being earlyclobbered. */
extern int earlyclobber_operand_p (rtx);
/* Record one reload that needs to be performed. */
extern int push_reload (rtx, rtx, rtx *, rtx *, enum reg_class,
- enum machine_mode, enum machine_mode,
+ machine_mode, machine_mode,
int, int, int, enum reload_type);
/* Functions in reload1.c: */
/* Scan X and replace any eliminable registers (such as fp) with a
replacement (such as sp), plus an offset. */
-extern rtx eliminate_regs (rtx, enum machine_mode, rtx);
+extern rtx eliminate_regs (rtx, machine_mode, rtx);
extern bool elimination_target_reg_p (rtx);
/* Called from the register allocator to estimate costs of eliminating
extern void save_call_clobbered_regs (void);
/* Replace (subreg (reg)) with the appropriate (reg) for any operands. */
-extern void cleanup_subreg_operands (rtx);
+extern void cleanup_subreg_operands (rtx_insn *);
/* Debugging support. */
extern void debug_reload_to_stream (FILE *);
/* Compute the actual register we should reload to, in case we're
reloading to/from a register that is wider than a word. */
-extern rtx reload_adjust_reg_for_mode (rtx, enum machine_mode);
+extern rtx reload_adjust_reg_for_mode (rtx, machine_mode);
/* Allocate or grow the reg_equiv tables, initializing new entries to 0. */
extern void grow_reg_equivs (void);
+
+#endif /* GCC_RELOAD_H */