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Fix for PR 3783.
[pf3gnuchains/gcc-fork.git]
/
gcc
/
rtl.h
diff --git
a/gcc/rtl.h
b/gcc/rtl.h
index
a925210
..
d993888
100644
(file)
--- a/
gcc/rtl.h
+++ b/
gcc/rtl.h
@@
-2,25
+2,25
@@
Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001 Free Software Foundation, Inc.
Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001 Free Software Foundation, Inc.
-This file is part of G
NU
CC.
+This file is part of GCC.
-G
NU 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.
+G
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.
-G
NU 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 th
e
-
GNU General Public License
for more details.
+G
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 Licens
e
+for more details.
You should have received a copy of the GNU General Public License
You should have received a copy of the GNU General Public License
-along with G
NU 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 G
CC; 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;
struct function;
@@
-31,9
+31,9
@@
struct function;
#undef ABS /* Likewise. */
#undef PC /* Likewise. */
#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 */
/* Register Transfer Language EXPRESSIONS CODES */
@@
-89,19
+89,19
@@
typedef union rtunion_def
int rtint;
unsigned int rtuint;
const char *rtstr;
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;
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"). */
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;
{
/* The kind of expression this is. */
ENUM_BITFIELD(rtx_code) code: 16;
@@
-179,7
+179,7
@@
typedef struct rtx_def
The number of operands and their types are controlled
by the `code' field, according to rtl.def. */
rtunion fld[1];
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 NULL_RTX (rtx) 0
@@
-199,10
+199,10
@@
typedef struct rtx_def
for a variable number of things. The principle use is inside
PARALLEL expressions. */
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 */
int num_elem; /* number of elements */
-
struct rtx_def *
elem[1];
-}
*rtvec
;
+
rtx
elem[1];
+};
#define NULL_RTVEC (rtvec) 0
#define NULL_RTVEC (rtvec) 0
@@
-320,6
+320,7
@@
extern void rtvec_check_failed_bounds PARAMS ((rtvec, int,
#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 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))
#define XVECEXP(RTX, N, M) RTVEC_ELT (XVEC (RTX, N), M)
#define XVECLEN(RTX, N) GET_NUM_ELEM (XVEC (RTX, N))
@@
-388,8
+389,8
@@
extern void rtvec_check_failed_bounds PARAMS ((rtvec, int,
/* 1 if insn has been deleted. */
#define INSN_DELETED_P(INSN) ((INSN)->volatil)
/* 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)
/* 1 if insn (assumed to be a CALL_INSN) is a sibling call. */
#define SIBLING_CALL_P(INSN) ((INSN)->jump)
@@
-497,10
+498,10
@@
enum reg_note
flow, are represented by a 0 reg note kind. */
REG_DEP_ANTI, REG_DEP_OUTPUT,
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
REG_BR_PROB,
/* REG_EXEC_COUNT is attached to the first insn of each basic block, and
@@
-516,8
+517,10
@@
enum reg_note
where SETJMP_VIA_SAVE_AREA is true. */
REG_SAVE_AREA,
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
REG_BR_PRED,
/* Attached to insns that are RTX_FRAME_RELATED_P, but are too complex
@@
-536,11
+539,6
@@
enum reg_note
throw, nor will it execute a non-local goto. */
REG_EH_REGION,
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,
/* Used by haifa-sched to save NOTE_INSN notes across scheduling. */
REG_SAVE_NOTE,
@@
-555,7
+553,14
@@
enum reg_note
/* Indicates that an indirect jump is a non-local goto instead of a
computed goto. */
/* 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. */
};
/* The base value for branch probability notes. */
@@
-653,10
+658,6
@@
enum insn_note
off the end of the function body without a return statement. */
NOTE_INSN_FUNCTION_END,
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,
/* This marks the point immediately after the last prologue insn. */
NOTE_INSN_PROLOGUE_END,
@@
-1141,8
+1142,8
@@
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(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));
/* In explow.c */
extern void set_stack_check_libfunc PARAMS ((rtx));
@@
-1156,14
+1157,12
@@
extern void optimize_save_area_alloca PARAMS ((rtx));
extern rtx gen_rtx PARAMS ((enum rtx_code,
enum machine_mode, ...));
extern rtvec gen_rtvec PARAMS ((int, ...));
extern rtx gen_rtx PARAMS ((enum rtx_code,
enum machine_mode, ...));
extern rtvec gen_rtvec PARAMS ((int, ...));
-
-/* In other files */
-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 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 rtx copy_rtx PARAMS ((rtx));
/* In emit-rtl.c */
@@
-1187,6
+1186,8
@@
extern rtx gen_lowpart_if_possible PARAMS ((enum machine_mode, rtx));
/* In emit-rtl.c */
extern rtx gen_highpart 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,
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,
@@
-1198,6
+1199,10
@@
extern rtx constant_subword PARAMS ((rtx, int,
extern rtx operand_subword_force PARAMS ((rtx, unsigned int,
enum machine_mode));
extern int subreg_lowpart_p PARAMS ((rtx));
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 get_insns PARAMS ((void));
extern rtx make_safe_from PARAMS ((rtx, rtx));
extern rtx convert_memory_address PARAMS ((enum machine_mode, rtx));
extern rtx get_insns PARAMS ((void));
@@
-1228,8
+1233,7
@@
extern rtx assign_stack_local PARAMS ((enum machine_mode,
HOST_WIDE_INT, int));
extern rtx assign_stack_temp PARAMS ((enum machine_mode,
HOST_WIDE_INT, int));
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));
+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));
/* In emit-rtl.c */
extern rtx emit_insn_before PARAMS ((rtx, rtx));
extern rtx emit_jump_insn_before PARAMS ((rtx, rtx));
@@
-1276,10
+1280,11
@@
extern enum rtx_code reverse_condition_maybe_unordered PARAMS ((enum rtx_code));
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 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));
+extern void mark_jump_label PARAMS ((rtx, rtx, int));
+extern void cleanup_barriers PARAMS ((void));
/* In jump.c */
/* 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 delete_insn PARAMS ((rtx));
extern void delete_jump PARAMS ((rtx));
extern void delete_barrier PARAMS ((rtx));
@@
-1288,10
+1293,11
@@
extern rtx get_label_after PARAMS ((rtx));
extern rtx follow_jumps PARAMS ((rtx));
/* In recog.c */
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));
/* 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 unknown file */
extern rtx split_insns PARAMS ((rtx, rtx));
@@
-1324,11
+1330,20
@@
extern rtx simplify_gen_relational PARAMS ((enum rtx_code,
enum machine_mode,
enum machine_mode,
rtx, rtx));
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));
extern rtx simplify_replace_rtx PARAMS ((rtx, rtx, rtx));
extern rtx simplify_rtx PARAMS ((rtx));
+extern rtx avoid_constant_pool_reference PARAMS ((rtx));
/* In function.c */
/* In function.c */
-extern rtx gen_mem_addressof PARAMS ((rtx,
union tree_node *
));
+extern rtx gen_mem_addressof PARAMS ((rtx,
tree
));
/* In regclass.c */
extern enum machine_mode choose_hard_reg_mode PARAMS ((unsigned int,
/* In regclass.c */
extern enum machine_mode choose_hard_reg_mode PARAMS ((unsigned int,
@@
-1359,6
+1374,8
@@
extern int reg_used_between_p PARAMS ((rtx, rtx, rtx));
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 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 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));
@@
-1368,6
+1385,7
@@
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 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 rtx find_last_value PARAMS ((rtx, rtx *, rtx, int));
extern int refers_to_regno_p PARAMS ((unsigned int, unsigned int,
rtx, rtx *));
@@
-1406,6
+1424,7
@@
extern int auto_inc_p PARAMS ((rtx));
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 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 */
/* flow.c */
@@
-1442,6
+1461,7
@@
extern enum reg_class reg_alternate_class PARAMS ((int));
extern rtx get_first_nonparm_insn PARAMS ((void));
extern void split_all_insns PARAMS ((int));
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];
#define MAX_SAVED_CONST_INT 64
extern rtx const_int_rtx[MAX_SAVED_CONST_INT * 2 + 1];
@@
-1612,8
+1632,8
@@
extern rtx gen_lowpart_SUBREG PARAMS ((enum machine_mode, rtx));
extern rtx find_next_ref PARAMS ((rtx, rtx));
extern rtx find_next_ref PARAMS ((rtx, rtx));
-extern rtx output_constant_def PARAMS ((
union tree_node *
, int));
-extern rtx immed_real_const PARAMS ((
union tree_node *
));
+extern rtx output_constant_def PARAMS ((
tree
, int));
+extern rtx immed_real_const PARAMS ((
tree
));
/* Define a default value for STORE_FLAG_VALUE. */
/* Define a default value for STORE_FLAG_VALUE. */
@@
-1671,7
+1691,7
@@
struct cse_basic_block_data;
extern int rtx_cost PARAMS ((rtx, enum rtx_code));
extern int address_cost PARAMS ((rtx, enum machine_mode));
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
#ifdef BUFSIZ
extern int cse_main PARAMS ((rtx, int, int, FILE *));
#endif
@@
-1690,6
+1710,7
@@
extern rtx condjump_label PARAMS ((rtx));
extern int simplejump_p PARAMS ((rtx));
extern int returnjump_p PARAMS ((rtx));
extern int onlyjump_p PARAMS ((rtx));
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 sets_cc0_p PARAMS ((rtx));
extern int invert_jump_1 PARAMS ((rtx, rtx));
extern int invert_jump PARAMS ((rtx, rtx, int));
@@
-1697,8
+1718,6
@@
extern int rtx_renumbered_equal_p PARAMS ((rtx, rtx));
extern int true_regnum PARAMS ((rtx));
extern int redirect_jump_1 PARAMS ((rtx, rtx));
extern int redirect_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 rebuild_jump_labels PARAMS ((rtx));
extern void thread_jumps PARAMS ((rtx, int, int));
extern int rtx_equal_for_thread_p PARAMS ((rtx, rtx, rtx));
@@
-1709,12
+1728,8
@@
extern enum rtx_code reversed_comparison_code_parts PARAMS ((enum rtx_code,
extern void delete_for_peephole PARAMS ((rtx, rtx));
extern int condjump_in_parallel_p PARAMS ((rtx));
extern void never_reached_warning PARAMS ((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));
/* In emit-rtl.c. */
extern int max_reg_num PARAMS ((void));
@@
-1930,7
+1945,8
@@
enum libcall_type
LCT_CONST_MAKE_BLOCK = 3,
LCT_PURE_MAKE_BLOCK = 4,
LCT_NORETURN = 5,
LCT_CONST_MAKE_BLOCK = 3,
LCT_PURE_MAKE_BLOCK = 4,
LCT_NORETURN = 5,
- LCT_THROW = 6
+ LCT_THROW = 6,
+ LCT_ALWAYS_RETURN = 7
};
extern void emit_library_call PARAMS ((rtx, enum libcall_type,
};
extern void emit_library_call PARAMS ((rtx, enum libcall_type,
@@
-1972,6
+1988,7
@@
extern void fancy_abort PARAMS ((const char *, int, const char *))
#define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__)
/* In alias.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 canon_rtx PARAMS ((rtx));
extern int true_dependence PARAMS ((rtx, enum machine_mode, rtx,
int (*)(rtx, int)));
@@
-1986,6
+2003,7
@@
extern void init_alias_once PARAMS ((void));
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 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 sibcall.c */
typedef enum {
@@
-2007,7
+2025,10
@@
extern rtx stack_limit_rtx;
/* In regrename.c */
extern void regrename_optimize PARAMS ((void));
/* In regrename.c */
extern void regrename_optimize PARAMS ((void));
-/* In
condexec
.c */
+/* In
ifcvt
.c */
extern void if_convert PARAMS ((int));
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 */
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