Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
-#ifndef _RTL_H
-#define _RTL_H
+#ifndef GCC_RTL_H
+#define GCC_RTL_H
struct function;
#undef ABS /* Likewise. */
#undef PC /* Likewise. */
-#ifndef TREE_CODE
-union tree_node;
-#endif
+/* Value used by some passes to "recognize" noop moves as valid instructions.
+ */
+#define NOOP_MOVE_INSN_CODE INT_MAX
/* Register Transfer Language EXPRESSIONS CODES */
int rtint;
unsigned int rtuint;
const char *rtstr;
- struct rtx_def *rtx;
- struct rtvec_def *rtvec;
+ rtx rtx;
+ rtvec rtvec;
enum machine_mode rttype;
addr_diff_vec_flags rt_addr_diff_vec_flags;
struct cselib_val_struct *rt_cselib;
struct bitmap_head_def *rtbit;
- union tree_node *rttree;
+ tree rttree;
struct basic_block_def *bb;
} rtunion;
/* RTL expression ("rtx"). */
-typedef struct rtx_def
+struct rtx_def
{
/* The kind of expression this is. */
ENUM_BITFIELD(rtx_code) code: 16;
unsigned int used : 1;
/* Nonzero if this rtx came from procedure integration.
In a REG, nonzero means this reg refers to the return value
- of the current function. */
+ of the current function.
+ 1 in a SYMBOL_REF if the symbol is weak. */
unsigned integrated : 1;
/* 1 in an INSN or a SET if this rtx is related to the call frame,
either changing how we compute the frame address or saving and
The number of operands and their types are controlled
by the `code' field, according to rtl.def. */
rtunion fld[1];
-} *rtx;
+};
#define NULL_RTX (rtx) 0
/* Define macros to access the `code' field of the rtx. */
-#define GET_CODE(RTX) ((RTX)->code)
-#define PUT_CODE(RTX, CODE) ((RTX)->code = (CODE))
+#define GET_CODE(RTX) ((enum rtx_code) (RTX)->code)
+#define PUT_CODE(RTX, CODE) ((RTX)->code = (ENUM_BITFIELD(rtx_code)) (CODE))
-#define GET_MODE(RTX) ((RTX)->mode)
-#define PUT_MODE(RTX, MODE) ((RTX)->mode = (MODE))
+#define GET_MODE(RTX) ((enum machine_mode) (RTX)->mode)
+#define PUT_MODE(RTX, MODE) ((RTX)->mode = (ENUM_BITFIELD(machine_mode)) (MODE))
#define RTX_INTEGRATED_P(RTX) ((RTX)->integrated)
#define RTX_UNCHANGING_P(RTX) ((RTX)->unchanging)
for a variable number of things. The principle use is inside
PARALLEL expressions. */
-typedef struct rtvec_def{
+struct rtvec_def {
int num_elem; /* number of elements */
- struct rtx_def *elem[1];
-} *rtvec;
+ rtx elem[1];
+};
#define NULL_RTVEC (rtvec) 0
#define XBITMAP(RTX, N) (RTL_CHECK1(RTX, N, 'b').rtbit)
#define XTREE(RTX, N) (RTL_CHECK1(RTX, N, 't').rttree)
#define XBBDEF(RTX, N) (RTL_CHECK1(RTX, N, 'B').bb)
+#define XTMPL(RTX, N) (RTL_CHECK1(RTX, N, 'T').rtstr)
#define XVECEXP(RTX, N, M) RTVEC_ELT (XVEC (RTX, N), M)
#define XVECLEN(RTX, N) GET_NUM_ELEM (XVEC (RTX, N))
/* 1 if insn has been deleted. */
#define INSN_DELETED_P(INSN) ((INSN)->volatil)
-/* 1 if insn is a call to a const function. */
-#define CONST_CALL_P(INSN) ((INSN)->unchanging)
+/* 1 if insn is a call to a const or pure function. */
+#define CONST_OR_PURE_CALL_P(INSN) ((INSN)->unchanging)
/* 1 if insn (assumed to be a CALL_INSN) is a sibling call. */
#define SIBLING_CALL_P(INSN) ((INSN)->jump)
flow, are represented by a 0 reg note kind. */
REG_DEP_ANTI, REG_DEP_OUTPUT,
- /* REG_BR_PROB is attached to JUMP_INSNs and CALL_INSNs when the flag
- -fbranch-probabilities is given. It has an integer value. For jumps,
- it is the probability that this is a taken branch. For calls, it is
- the probability that this call won't return. */
+ /* REG_BR_PROB is attached to JUMP_INSNs and CALL_INSNs.
+ It has an integer value. For jumps, it is the probability that this is a
+ taken branch. For calls, it is the probability that this call won't
+ return. */
REG_BR_PROB,
/* REG_EXEC_COUNT is attached to the first insn of each basic block, and
where SETJMP_VIA_SAVE_AREA is true. */
REG_SAVE_AREA,
- /* Attached to JUMP_INSNs only, it holds the branch prediction flags
- computed by get_jump_flags() after dbr scheduling is complete. */
+ /* REG_BR_PRED is attached to JUMP_INSNs and CALL_INSNSs. It contains
+ CONCAT of two integer value. First specifies the branch predictor
+ that added the note, second specifies the predicted hitrate of branch
+ in the same format as REG_BR_PROB note uses. */
REG_BR_PRED,
/* Attached to insns that are RTX_FRAME_RELATED_P, but are too complex
throw, nor will it execute a non-local goto. */
REG_EH_REGION,
- /* Indicates that a call is actually a call to rethrow, and specifies the
- rethrow symbol for the region the rethrow is targetting. This provides
- a way to generate the non standard flow edges required for a rethrow. */
- REG_EH_RETHROW,
-
/* Used by haifa-sched to save NOTE_INSN notes across scheduling. */
REG_SAVE_NOTE,
/* Indicates that an indirect jump is a non-local goto instead of a
computed goto. */
- REG_NON_LOCAL_GOTO
+ REG_NON_LOCAL_GOTO,
+
+ /* This kind of note is generated at each to `setjmp',
+ and similar functions that can return twice. */
+ REG_SETJMP,
+
+ /* Indicate calls that always returns. */
+ REG_ALWAYS_RETURN
};
/* The base value for branch probability notes. */
off the end of the function body without a return statement. */
NOTE_INSN_FUNCTION_END,
- /* This kind of note is generated just after each call to `setjmp',
- and similar functions that can return twice. */
- NOTE_INSN_SETJMP,
-
/* This marks the point immediately after the last prologue insn. */
NOTE_INSN_PROLOGUE_END,
extern const char * const note_insn_name[NOTE_INSN_MAX - NOTE_INSN_BIAS];
#define GET_NOTE_INSN_NAME(NOTE_CODE) \
- (note_insn_name[(NOTE_CODE) - NOTE_INSN_BIAS])
+ (note_insn_name[(NOTE_CODE) - (int) NOTE_INSN_BIAS])
/* The name of a label, in case it corresponds to an explicit label
in the input source code. */
#define CONST_DOUBLE_MEM(r) XCEXP (r, 0, CONST_DOUBLE)
/* For a SUBREG rtx, SUBREG_REG extracts the value we want a subreg of.
- SUBREG_WORD extracts the word-number. */
+ SUBREG_BYTE extracts the byte-number. */
#define SUBREG_REG(RTX) XCEXP(RTX, 0, SUBREG)
-#define SUBREG_WORD(RTX) XCUINT(RTX, 1, SUBREG)
+#define SUBREG_BYTE(RTX) XCUINT(RTX, 1, SUBREG)
+
+/* in rtlanal.c */
+extern unsigned int subreg_regno_offset PARAMS ((unsigned int,
+ enum machine_mode,
+ unsigned int,
+ enum machine_mode));
+extern unsigned int subreg_regno PARAMS ((rtx));
/* 1 if the REG contained in SUBREG_REG is already known to be
sign- or zero-extended from the mode of the SUBREG to the mode of
/* Flag in a SYMBOL_REF for machine-specific purposes. */
#define SYMBOL_REF_FLAG(RTX) ((RTX)->volatil)
-/* 1 in a SYMBOL_REF if it represents a symbol which might have to change
- if its inlined or unrolled. */
-#define SYMBOL_REF_NEED_ADJUST(RTX) ((RTX)->in_struct)
-
/* 1 means a SYMBOL_REF has been the library function in emit_library_call. */
#define SYMBOL_REF_USED(RTX) ((RTX)->used)
+/* 1 means a SYMBOL_REF is weak. */
+#define SYMBOL_REF_WEAK(RTX) ((RTX)->integrated)
+
/* Define a macro to look for REG_INC notes,
but save time on machines where they never exist. */
/* Generally useful functions. */
-/* The following functions accept a wide integer argument. Rather than
- having to cast on every function call, we use a macro instead, that is
- defined here and in tree.h. */
-
-#ifndef exact_log2
-#define exact_log2(N) exact_log2_wide ((unsigned HOST_WIDE_INT) (N))
-#define floor_log2(N) floor_log2_wide ((unsigned HOST_WIDE_INT) (N))
-#endif
-extern int exact_log2_wide PARAMS ((unsigned HOST_WIDE_INT));
-extern int floor_log2_wide PARAMS ((unsigned HOST_WIDE_INT));
-
/* In expmed.c */
extern int ceil_log2 PARAMS ((unsigned HOST_WIDE_INT));
#define plus_constant(X,C) plus_constant_wide (X, (HOST_WIDE_INT) (C))
-#define plus_constant_for_output(X,C) \
- plus_constant_for_output_wide (X, (HOST_WIDE_INT) (C))
+/* In builtins.c */
+extern rtx expand_builtin_expect_jump PARAMS ((tree, rtx, rtx));
/* In explow.c */
extern void set_stack_check_libfunc PARAMS ((rtx));
extern rtx gen_rtx PARAMS ((enum rtx_code,
enum machine_mode, ...));
extern rtvec gen_rtvec PARAMS ((int, ...));
-
-/* In other files */
-extern char *permalloc PARAMS ((int));
-extern rtx rtx_alloc PARAMS ((RTX_CODE));
-extern rtvec rtvec_alloc PARAMS ((int));
extern rtx copy_insn_1 PARAMS ((rtx));
extern rtx copy_insn PARAMS ((rtx));
/* In rtl.c */
+extern rtx rtx_alloc PARAMS ((RTX_CODE));
+extern rtvec rtvec_alloc PARAMS ((int));
extern rtx copy_rtx PARAMS ((rtx));
/* In emit-rtl.c */
extern rtvec gen_rtvec_v PARAMS ((int, rtx *));
extern rtx gen_reg_rtx PARAMS ((enum machine_mode));
extern rtx gen_label_rtx PARAMS ((void));
+extern int subreg_hard_regno PARAMS ((rtx, int));
extern rtx gen_lowpart_common PARAMS ((enum machine_mode, rtx));
extern rtx gen_lowpart PARAMS ((enum machine_mode, rtx));
/* In emit-rtl.c */
extern rtx gen_highpart PARAMS ((enum machine_mode, rtx));
+extern rtx gen_highpart_mode PARAMS ((enum machine_mode,
+ enum machine_mode, rtx));
extern rtx gen_realpart PARAMS ((enum machine_mode, rtx));
extern rtx gen_imagpart PARAMS ((enum machine_mode, rtx));
extern rtx operand_subword PARAMS ((rtx, unsigned int, int,
enum machine_mode));
+extern rtx constant_subword PARAMS ((rtx, int,
+ enum machine_mode));
/* In emit-rtl.c */
extern rtx operand_subword_force PARAMS ((rtx, unsigned int,
enum machine_mode));
extern int subreg_lowpart_p PARAMS ((rtx));
+extern unsigned int subreg_lowpart_offset PARAMS ((enum machine_mode,
+ enum machine_mode));
+extern unsigned int subreg_highpart_offset PARAMS ((enum machine_mode,
+ enum machine_mode));
extern rtx make_safe_from PARAMS ((rtx, rtx));
extern rtx convert_memory_address PARAMS ((enum machine_mode, rtx));
-extern rtx memory_address PARAMS ((enum machine_mode, rtx));
extern rtx get_insns PARAMS ((void));
extern const char *get_insn_name PARAMS ((int));
extern rtx get_last_insn PARAMS ((void));
extern rtx immed_double_const PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT, enum machine_mode));
extern rtx force_const_mem PARAMS ((enum machine_mode, rtx));
-/* In explow.c */
-extern rtx force_reg PARAMS ((enum machine_mode, rtx));
-
/* In varasm.c */
extern rtx get_pool_constant PARAMS ((rtx));
extern enum machine_mode get_pool_mode PARAMS ((rtx));
HOST_WIDE_INT, int));
extern rtx assign_stack_temp PARAMS ((enum machine_mode,
HOST_WIDE_INT, int));
-extern rtx assign_temp PARAMS ((union tree_node *,
- int, int, int));
-/* In expr.c */
-extern rtx protect_from_queue PARAMS ((rtx, int));
-extern void emit_queue PARAMS ((void));
-extern rtx emit_move_insn PARAMS ((rtx, rtx));
-
+extern rtx assign_temp PARAMS ((tree, int, int, int));
/* In emit-rtl.c */
extern rtx emit_insn_before PARAMS ((rtx, rtx));
extern rtx emit_jump_insn_before PARAMS ((rtx, rtx));
extern enum rtx_code swap_condition PARAMS ((enum rtx_code));
extern enum rtx_code unsigned_condition PARAMS ((enum rtx_code));
extern enum rtx_code signed_condition PARAMS ((enum rtx_code));
-extern void mark_jump_label PARAMS ((rtx, rtx, int, int));
-
-/* In reload.c */
-extern rtx find_equiv_reg PARAMS ((rtx, rtx, enum reg_class, int, short *, int, enum machine_mode));
+extern void mark_jump_label PARAMS ((rtx, rtx, int));
+extern void cleanup_barriers PARAMS ((void));
/* In jump.c */
-extern rtx squeeze_notes PARAMS ((rtx, rtx));
+extern void squeeze_notes PARAMS ((rtx *, rtx *));
extern rtx delete_insn PARAMS ((rtx));
extern void delete_jump PARAMS ((rtx));
extern void delete_barrier PARAMS ((rtx));
extern rtx follow_jumps PARAMS ((rtx));
/* In recog.c */
-extern rtx adj_offsettable_operand PARAMS ((rtx, int));
+extern rtx *find_constant_term_loc PARAMS ((rtx *));
/* In emit-rtl.c */
extern rtx try_split PARAMS ((rtx, rtx, int));
+extern int split_branch_probability;
/* In unknown file */
extern rtx split_insns PARAMS ((rtx, rtx));
/* In simplify-rtx.c */
-extern rtx simplify_unary_operation PARAMS ((enum rtx_code, enum machine_mode, rtx, enum machine_mode));
-extern rtx simplify_binary_operation PARAMS ((enum rtx_code, enum machine_mode, rtx, rtx));
-extern rtx simplify_ternary_operation PARAMS ((enum rtx_code, enum machine_mode, enum machine_mode, rtx, rtx, rtx));
-extern rtx simplify_relational_operation PARAMS ((enum rtx_code, enum machine_mode, rtx, rtx));
-extern rtx simplify_gen_binary PARAMS ((enum rtx_code, enum machine_mode,
- rtx, rtx));
+extern rtx simplify_unary_operation PARAMS ((enum rtx_code,
+ enum machine_mode, rtx,
+ enum machine_mode));
+extern rtx simplify_binary_operation PARAMS ((enum rtx_code,
+ enum machine_mode, rtx,
+ rtx));
+extern rtx simplify_ternary_operation PARAMS ((enum rtx_code,
+ enum machine_mode,
+ enum machine_mode, rtx, rtx,
+ rtx));
+extern rtx simplify_relational_operation PARAMS ((enum rtx_code,
+ enum machine_mode, rtx,
+ rtx));
+extern rtx simplify_gen_binary PARAMS ((enum rtx_code,
+ enum machine_mode,
+ rtx, rtx));
+extern rtx simplify_gen_unary PARAMS ((enum rtx_code,
+ enum machine_mode, rtx,
+ enum machine_mode));
+extern rtx simplify_gen_ternary PARAMS ((enum rtx_code,
+ enum machine_mode,
+ enum machine_mode,
+ rtx, rtx, rtx));
+extern rtx simplify_gen_relational PARAMS ((enum rtx_code,
+ enum machine_mode,
+ enum machine_mode,
+ rtx, rtx));
+extern rtx simplify_subreg PARAMS ((enum machine_mode,
+ rtx,
+ enum machine_mode,
+ unsigned int));
+extern rtx simplify_gen_subreg PARAMS ((enum machine_mode,
+ rtx,
+ enum machine_mode,
+ unsigned int));
+extern rtx simplify_replace_rtx PARAMS ((rtx, rtx, rtx));
extern rtx simplify_rtx PARAMS ((rtx));
-
-/* In optabs.c */
-extern rtx gen_move_insn PARAMS ((rtx, rtx));
-
-extern rtx gen_jump PARAMS ((rtx));
-extern rtx gen_beq PARAMS ((rtx));
-extern rtx gen_bge PARAMS ((rtx));
-extern rtx gen_ble PARAMS ((rtx));
+extern rtx avoid_constant_pool_reference PARAMS ((rtx));
/* In function.c */
-extern rtx gen_mem_addressof PARAMS ((rtx, union tree_node *));
-
-/* In explow.c */
-extern rtx eliminate_constant_term PARAMS ((rtx, rtx *));
-
-/* In optabs.c */
-extern rtx expand_complex_abs PARAMS ((enum machine_mode, rtx, rtx,
- int));
+extern rtx gen_mem_addressof PARAMS ((rtx, tree));
/* In regclass.c */
extern enum machine_mode choose_hard_reg_mode PARAMS ((unsigned int,
extern int reg_referenced_between_p PARAMS ((rtx, rtx, rtx));
extern int reg_set_between_p PARAMS ((rtx, rtx, rtx));
extern int regs_set_between_p PARAMS ((rtx, rtx, rtx));
+extern int commutative_operand_precedence PARAMS ((rtx));
+extern int swap_commutative_operands_p PARAMS ((rtx, rtx));
extern int modified_between_p PARAMS ((rtx, rtx, rtx));
extern int no_labels_between_p PARAMS ((rtx, rtx));
extern int no_jumps_between_p PARAMS ((rtx, rtx));
extern int reg_set_p PARAMS ((rtx, rtx));
extern rtx single_set_2 PARAMS ((rtx, rtx));
extern int multiple_sets PARAMS ((rtx));
+extern int set_noop_p PARAMS ((rtx));
+extern int noop_move_p PARAMS ((rtx));
extern rtx find_last_value PARAMS ((rtx, rtx *, rtx, int));
extern int refers_to_regno_p PARAMS ((unsigned int, unsigned int,
rtx, rtx *));
extern void note_stores PARAMS ((rtx,
void (*) (rtx, rtx, void *),
void *));
+extern void note_uses PARAMS ((rtx *,
+ void (*) (rtx *, void *),
+ void *));
extern rtx reg_set_last PARAMS ((rtx, rtx));
extern int dead_or_set_p PARAMS ((rtx, rtx));
extern int dead_or_set_regno_p PARAMS ((rtx, unsigned int));
extern rtx find_reg_note PARAMS ((rtx, enum reg_note, rtx));
extern rtx find_regno_note PARAMS ((rtx, enum reg_note,
unsigned int));
+extern rtx find_reg_equal_equiv_note PARAMS ((rtx));
extern int find_reg_fusage PARAMS ((rtx, enum rtx_code, rtx));
extern int find_regno_fusage PARAMS ((rtx, enum rtx_code,
unsigned int));
extern void remove_node_from_expr_list PARAMS ((rtx, rtx *));
extern int insns_safe_to_move_p PARAMS ((rtx, rtx, rtx *));
extern int loc_mentioned_in_p PARAMS ((rtx *, rtx));
+extern rtx find_first_parameter_load PARAMS ((rtx, rtx));
/* flow.c */
extern rtx get_first_nonparm_insn PARAMS ((void));
extern void split_all_insns PARAMS ((int));
+extern void split_all_insns_noflow PARAMS ((void));
#define MAX_SAVED_CONST_INT 64
extern rtx const_int_rtx[MAX_SAVED_CONST_INT * 2 + 1];
extern rtx gen_rtx_CONST_INT PARAMS ((enum machine_mode, HOST_WIDE_INT));
extern rtx gen_raw_REG PARAMS ((enum machine_mode, int));
extern rtx gen_rtx_REG PARAMS ((enum machine_mode, int));
+extern rtx gen_rtx_SUBREG PARAMS ((enum machine_mode, rtx, int));
extern rtx gen_rtx_MEM PARAMS ((enum machine_mode, rtx));
+extern rtx gen_lowpart_SUBREG PARAMS ((enum machine_mode, rtx));
+
/* We need the cast here to ensure that we get the same result both with
and without prototypes. */
#define GEN_INT(N) gen_rtx_CONST_INT (VOIDmode, (HOST_WIDE_INT) (N))
#define LAST_VIRTUAL_REGISTER ((FIRST_VIRTUAL_REGISTER) + 4)
+/* REGNUM never really appearing in the INSN stream. */
+#define INVALID_REGNUM (~(unsigned int)0)
+
extern rtx find_next_ref PARAMS ((rtx, rtx));
-extern rtx *find_single_use PARAMS ((rtx, rtx, rtx *));
-extern rtx output_constant_def PARAMS ((union tree_node *, int));
-extern rtx immed_real_const PARAMS ((union tree_node *));
-extern union tree_node *make_tree PARAMS ((union tree_node *, rtx));
+extern rtx output_constant_def PARAMS ((tree, int));
+extern rtx immed_real_const PARAMS ((tree));
/* Define a default value for STORE_FLAG_VALUE. */
extern int rtx_cost PARAMS ((rtx, enum rtx_code));
extern int address_cost PARAMS ((rtx, enum machine_mode));
-extern void delete_trivially_dead_insns PARAMS ((rtx, int));
+extern void delete_trivially_dead_insns PARAMS ((rtx, int, int));
#ifdef BUFSIZ
extern int cse_main PARAMS ((rtx, int, int, FILE *));
#endif
extern int simplejump_p PARAMS ((rtx));
extern int returnjump_p PARAMS ((rtx));
extern int onlyjump_p PARAMS ((rtx));
+extern int only_sets_cc0_p PARAMS ((rtx));
extern int sets_cc0_p PARAMS ((rtx));
extern int invert_jump_1 PARAMS ((rtx, rtx));
extern int invert_jump PARAMS ((rtx, rtx, int));
extern int true_regnum PARAMS ((rtx));
extern int redirect_jump_1 PARAMS ((rtx, rtx));
extern int redirect_jump PARAMS ((rtx, rtx, int));
-extern void jump_optimize PARAMS ((rtx, int, int, int));
-extern void jump_optimize_minimal PARAMS ((rtx));
extern void rebuild_jump_labels PARAMS ((rtx));
extern void thread_jumps PARAMS ((rtx, int, int));
extern int rtx_equal_for_thread_p PARAMS ((rtx, rtx, rtx));
extern void delete_for_peephole PARAMS ((rtx, rtx));
extern int condjump_in_parallel_p PARAMS ((rtx));
extern void never_reached_warning PARAMS ((rtx));
-
-/* Flags for jump_optimize() */
-#define JUMP_CROSS_JUMP 1
-#define JUMP_CROSS_JUMP_DEATH_MATTERS 2
-#define JUMP_NOOP_MOVES 1
-#define JUMP_AFTER_REGSCAN 1
+extern void purge_line_number_notes PARAMS ((rtx));
+extern void copy_loop_headers PARAMS ((rtx));
/* In emit-rtl.c. */
extern int max_reg_num PARAMS ((void));
extern void renumber_insns PARAMS ((FILE *));
extern void remove_unnecessary_notes PARAMS ((void));
-/* In insn-emit.c */
-extern void add_clobbers PARAMS ((rtx, int));
-
/* In combine.c */
extern int combine_instructions PARAMS ((rtx, unsigned int));
extern unsigned int extended_count PARAMS ((rtx, enum machine_mode, int));
extern void thread_prologue_and_epilogue_insns PARAMS ((rtx));
extern int prologue_epilogue_contains PARAMS ((rtx));
extern int sibcall_epilogue_contains PARAMS ((rtx));
-extern HOST_WIDE_INT get_frame_size PARAMS ((void));
extern void preserve_rtl_expr_result PARAMS ((rtx));
extern void mark_temp_addr_taken PARAMS ((rtx));
extern void update_temp_slot_address PARAMS ((rtx, rtx));
extern void purge_addressof PARAMS ((rtx));
extern void purge_hard_subreg_sets PARAMS ((rtx));
-/* In reload.c */
-extern int operands_match_p PARAMS ((rtx, rtx));
-extern int safe_from_earlyclobber PARAMS ((rtx, rtx));
-
/* In stmt.c */
extern void set_file_and_line_for_stmt PARAMS ((const char *, int));
extern void expand_null_return PARAMS ((void));
extern int preserve_subexpressions_p PARAMS ((void));
/* In expr.c */
-extern void init_expr_once PARAMS ((void));
extern void move_by_pieces PARAMS ((rtx, rtx,
unsigned HOST_WIDE_INT,
unsigned int));
extern void dbr_schedule PARAMS ((rtx, FILE *));
#endif
-/* In optabs.c */
-extern void init_optabs PARAMS ((void));
-
/* In local-alloc.c */
#ifdef BUFSIZ
extern void dump_local_alloc PARAMS ((FILE *));
extern int local_alloc PARAMS ((void));
extern int function_invariant_p PARAMS ((rtx));
-/* In reload1.c */
-extern void reload_cse_regs PARAMS ((rtx));
-extern void init_reload PARAMS ((void));
-extern void mark_home_live PARAMS ((int));
-extern int reload PARAMS ((rtx, int));
-
-/* In caller-save.c */
-extern void init_caller_save PARAMS ((void));
-
/* In profile.c */
extern void init_branch_prob PARAMS ((const char *));
extern void branch_prob PARAMS ((void));
LCT_CONST = 1,
LCT_PURE = 2,
LCT_CONST_MAKE_BLOCK = 3,
- LCT_PURE_MAKE_BLOCK = 4
+ LCT_PURE_MAKE_BLOCK = 4,
+ LCT_NORETURN = 5,
+ LCT_THROW = 6,
+ LCT_ALWAYS_RETURN = 7
};
extern void emit_library_call PARAMS ((rtx, enum libcall_type,
extern int set_dominates_use PARAMS ((int, int, int, rtx, rtx));
/* In varasm.c */
-extern void bss_section PARAMS ((void));
extern int in_data_section PARAMS ((void));
-extern int supports_one_only PARAMS ((void));
extern void init_varasm_once PARAMS ((void));
/* In rtl.c */
#define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__)
/* In alias.c */
+extern void clear_reg_alias_info PARAMS ((rtx));
extern rtx canon_rtx PARAMS ((rtx));
extern int true_dependence PARAMS ((rtx, enum machine_mode, rtx,
int (*)(rtx, int)));
+extern rtx get_addr PARAMS ((rtx));
+extern int canon_true_dependence PARAMS ((rtx, enum machine_mode, rtx,
+ rtx, int (*)(rtx, int)));
extern int read_dependence PARAMS ((rtx, rtx));
extern int anti_dependence PARAMS ((rtx, rtx));
extern int output_dependence PARAMS ((rtx, rtx));
extern void init_alias_analysis PARAMS ((void));
extern void end_alias_analysis PARAMS ((void));
extern rtx addr_side_effect_eval PARAMS ((rtx, int, int));
+extern void set_mem_alias_set PARAMS ((rtx, HOST_WIDE_INT));
/* In sibcall.c */
typedef enum {
/* In regrename.c */
extern void regrename_optimize PARAMS ((void));
-/* In condexec.c */
+/* In ifcvt.c */
extern void if_convert PARAMS ((int));
-#endif /* _RTL_H */
+/* In predict.c */
+extern void invert_br_probabilities PARAMS ((rtx));
+extern bool expensive_function_p PARAMS ((int));
+#endif /* ! GCC_RTL_H */
OSDN Git Service
