/* Register Transfer Language (RTL) definitions for GCC
- Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of GCC.
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
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#ifndef GCC_RTL_H
#define GCC_RTL_H
#include "input.h"
#include "real.h"
#include "vec.h"
+#include "alias.h"
#undef FFS /* Some systems predefine this symbol; don't let it interfere. */
#undef FLOAT /* Likewise. */
stricter alignment; OFFSET is the offset of the MEM within that object. */
typedef struct mem_attrs GTY(())
{
- HOST_WIDE_INT alias; /* Memory alias set. */
+ alias_set_type alias; /* Memory alias set. */
tree expr; /* expr corresponding to MEM. */
rtx offset; /* Offset from start of DECL, as CONST_INT. */
rtx size; /* Size in bytes, as a CONST_INT. */
/* Predicate yielding nonzero iff X is an rtx for a memory location. */
#define MEM_P(X) (GET_CODE (X) == MEM)
+/* Predicate yielding nonzero iff X is an rtx for a constant integer. */
+#define CONST_INT_P(X) (GET_CODE (X) == CONST_INT)
+
/* Predicate yielding nonzero iff X is a label insn. */
#define LABEL_P(X) (GET_CODE (X) == CODE_LABEL)
/* The bit with a star outside the statement expr and an & inside is
so that N can be evaluated only once. */
#define RTL_CHECK1(RTX, N, C1) __extension__ \
-(*({ rtx const _rtx = (RTX); const int _n = (N); \
+(*({ __typeof (RTX) const _rtx = (RTX); const int _n = (N); \
const enum rtx_code _code = GET_CODE (_rtx); \
if (_n < 0 || _n >= GET_RTX_LENGTH (_code)) \
rtl_check_failed_bounds (_rtx, _n, __FILE__, __LINE__, \
&_rtx->u.fld[_n]; }))
#define RTL_CHECK2(RTX, N, C1, C2) __extension__ \
-(*({ rtx const _rtx = (RTX); const int _n = (N); \
+(*({ __typeof (RTX) const _rtx = (RTX); const int _n = (N); \
const enum rtx_code _code = GET_CODE (_rtx); \
if (_n < 0 || _n >= GET_RTX_LENGTH (_code)) \
rtl_check_failed_bounds (_rtx, _n, __FILE__, __LINE__, \
&_rtx->u.fld[_n]; }))
#define RTL_CHECKC1(RTX, N, C) __extension__ \
-(*({ rtx const _rtx = (RTX); const int _n = (N); \
+(*({ __typeof (RTX) const _rtx = (RTX); const int _n = (N); \
if (GET_CODE (_rtx) != (C)) \
rtl_check_failed_code1 (_rtx, (C), __FILE__, __LINE__, \
__FUNCTION__); \
&_rtx->u.fld[_n]; }))
#define RTL_CHECKC2(RTX, N, C1, C2) __extension__ \
-(*({ rtx const _rtx = (RTX); const int _n = (N); \
+(*({ __typeof (RTX) const _rtx = (RTX); const int _n = (N); \
const enum rtx_code _code = GET_CODE (_rtx); \
if (_code != (C1) && _code != (C2)) \
rtl_check_failed_code2 (_rtx, (C1), (C2), __FILE__, __LINE__, \
&_rtx->u.fld[_n]; }))
#define RTVEC_ELT(RTVEC, I) __extension__ \
-(*({ rtvec const _rtvec = (RTVEC); const int _i = (I); \
+(*({ __typeof (RTVEC) const _rtvec = (RTVEC); const int _i = (I); \
if (_i < 0 || _i >= GET_NUM_ELEM (_rtvec)) \
rtvec_check_failed_bounds (_rtvec, _i, __FILE__, __LINE__, \
__FUNCTION__); \
&_rtvec->elem[_i]; }))
#define XWINT(RTX, N) __extension__ \
-(*({ rtx const _rtx = (RTX); const int _n = (N); \
+(*({ __typeof (RTX) const _rtx = (RTX); const int _n = (N); \
const enum rtx_code _code = GET_CODE (_rtx); \
if (_n < 0 || _n >= GET_RTX_LENGTH (_code)) \
rtl_check_failed_bounds (_rtx, _n, __FILE__, __LINE__, \
&_rtx->u.hwint[_n]; }))
#define XCWINT(RTX, N, C) __extension__ \
-(*({ rtx const _rtx = (RTX); \
+(*({ __typeof (RTX) const _rtx = (RTX); \
if (GET_CODE (_rtx) != (C)) \
rtl_check_failed_code1 (_rtx, (C), __FILE__, __LINE__, \
__FUNCTION__); \
&_rtx->u.hwint[N]; }))
#define XCMWINT(RTX, N, C, M) __extension__ \
-(*({ rtx const _rtx = (RTX); \
+(*({ __typeof (RTX) const _rtx = (RTX); \
if (GET_CODE (_rtx) != (C) || GET_MODE (_rtx) != (M)) \
rtl_check_failed_code_mode (_rtx, (C), (M), false, __FILE__, \
__LINE__, __FUNCTION__); \
&_rtx->u.hwint[N]; }))
#define XCNMPRV(RTX, C, M) __extension__ \
-({ rtx const _rtx = (RTX); \
+({ __typeof (RTX) const _rtx = (RTX); \
if (GET_CODE (_rtx) != (C) || GET_MODE (_rtx) == (M)) \
rtl_check_failed_code_mode (_rtx, (C), (M), true, __FILE__, \
__LINE__, __FUNCTION__); \
&_rtx->u.rv; })
#define BLOCK_SYMBOL_CHECK(RTX) __extension__ \
-({ rtx const _symbol = (RTX); \
- unsigned int flags = RTL_CHECKC1 (_symbol, 1, SYMBOL_REF).rt_int; \
+({ __typeof (RTX) const _symbol = (RTX); \
+ const unsigned int flags = RTL_CHECKC1 (_symbol, 1, SYMBOL_REF).rt_int; \
if ((flags & SYMBOL_FLAG_HAS_BLOCK_INFO) == 0) \
rtl_check_failed_block_symbol (__FILE__, __LINE__, \
__FUNCTION__); \
&_symbol->u.block_sym; })
-extern void rtl_check_failed_bounds (rtx, int, const char *, int,
+extern void rtl_check_failed_bounds (const_rtx, int, const char *, int,
const char *)
ATTRIBUTE_NORETURN;
-extern void rtl_check_failed_type1 (rtx, int, int, const char *, int,
+extern void rtl_check_failed_type1 (const_rtx, int, int, const char *, int,
const char *)
ATTRIBUTE_NORETURN;
-extern void rtl_check_failed_type2 (rtx, int, int, int, const char *,
+extern void rtl_check_failed_type2 (const_rtx, int, int, int, const char *,
int, const char *)
ATTRIBUTE_NORETURN;
-extern void rtl_check_failed_code1 (rtx, enum rtx_code, const char *,
+extern void rtl_check_failed_code1 (const_rtx, enum rtx_code, const char *,
int, const char *)
ATTRIBUTE_NORETURN;
-extern void rtl_check_failed_code2 (rtx, enum rtx_code, enum rtx_code,
+extern void rtl_check_failed_code2 (const_rtx, enum rtx_code, enum rtx_code,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
-extern void rtl_check_failed_code_mode (rtx, enum rtx_code, enum machine_mode,
+extern void rtl_check_failed_code_mode (const_rtx, enum rtx_code, enum machine_mode,
bool, const char *, int, const char *)
ATTRIBUTE_NORETURN;
extern void rtl_check_failed_block_symbol (const char *, int, const char *)
ATTRIBUTE_NORETURN;
-extern void rtvec_check_failed_bounds (rtvec, int, const char *, int,
+extern void rtvec_check_failed_bounds (const_rtvec, int, const char *, int,
const char *)
ATTRIBUTE_NORETURN;
#if defined ENABLE_RTL_FLAG_CHECKING && (GCC_VERSION >= 2007)
#define RTL_FLAG_CHECK1(NAME, RTX, C1) __extension__ \
-({ rtx const _rtx = (RTX); \
+({ __typeof (RTX) const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
__FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK2(NAME, RTX, C1, C2) __extension__ \
-({ rtx const _rtx = (RTX); \
+({ __typeof (RTX) const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2) \
rtl_check_failed_flag (NAME,_rtx, __FILE__, __LINE__, \
__FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK3(NAME, RTX, C1, C2, C3) __extension__ \
-({ rtx const _rtx = (RTX); \
+({ __typeof (RTX) const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
_rtx; })
#define RTL_FLAG_CHECK4(NAME, RTX, C1, C2, C3, C4) __extension__ \
-({ rtx const _rtx = (RTX); \
+({ __typeof (RTX) const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
_rtx; })
#define RTL_FLAG_CHECK5(NAME, RTX, C1, C2, C3, C4, C5) __extension__ \
-({ rtx const _rtx = (RTX); \
+({ __typeof (RTX) const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \
&& GET_CODE(_rtx) != C5) \
#define RTL_FLAG_CHECK6(NAME, RTX, C1, C2, C3, C4, C5, C6) \
__extension__ \
-({ rtx const _rtx = (RTX); \
+({ __typeof (RTX) const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \
&& GET_CODE(_rtx) != C5 && GET_CODE(_rtx) != C6) \
#define RTL_FLAG_CHECK7(NAME, RTX, C1, C2, C3, C4, C5, C6, C7) \
__extension__ \
-({ rtx const _rtx = (RTX); \
+({ __typeof (RTX) const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \
&& GET_CODE(_rtx) != C5 && GET_CODE(_rtx) != C6 \
#define RTL_FLAG_CHECK8(NAME, RTX, C1, C2, C3, C4, C5, C6, C7, C8) \
__extension__ \
-({ rtx const _rtx = (RTX); \
+({ __typeof (RTX) const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \
&& GET_CODE(_rtx) != C5 && GET_CODE(_rtx) != C6 \
__FUNCTION__); \
_rtx; })
-extern void rtl_check_failed_flag (const char *, rtx, const char *,
+extern void rtl_check_failed_flag (const char *, const_rtx, const char *,
int, const char *)
ATTRIBUTE_NORETURN
;
-1 means this instruction has not been recognized yet. */
#define INSN_CODE(INSN) XINT (INSN, 6)
-/* Set up in flow.c; empty before then.
- Holds a chain of INSN_LIST rtx's whose first operands point at
- previous insns with direct data-flow connections to this one.
- That means that those insns set variables whose next use is in this insn.
- They are always in the same basic block as this insn. */
-#define LOG_LINKS(INSN) XEXP(INSN, 7)
-
#define RTX_FRAME_RELATED_P(RTX) \
(RTL_FLAG_CHECK5("RTX_FRAME_RELATED_P", (RTX), INSN, CALL_INSN, \
JUMP_INSN, BARRIER, SET)->frame_related)
chain pointer and the first operand is the REG being described.
The mode field of the EXPR_LIST contains not a real machine mode
but a value from enum reg_note. */
-#define REG_NOTES(INSN) XEXP(INSN, 8)
+#define REG_NOTES(INSN) XEXP(INSN, 7)
enum reg_note
{
CLOBBER expressions document the registers explicitly clobbered
by this CALL_INSN.
Pseudo registers can not be mentioned in this list. */
-#define CALL_INSN_FUNCTION_USAGE(INSN) XEXP(INSN, 9)
+#define CALL_INSN_FUNCTION_USAGE(INSN) XEXP(INSN, 8)
/* The label-number of a code-label. The assembler label
is made from `L' and the label-number printed in decimal.
/* Opaque data. */
#define NOTE_DATA(INSN) RTL_CHECKC1 (INSN, 4, NOTE)
#define NOTE_DELETED_LABEL_NAME(INSN) XCSTR (INSN, 4, NOTE)
-#ifdef USE_MAPPED_LOCATION
-#define NOTE_SOURCE_LOCATION(INSN) XCUINT (INSN, 5, NOTE)
-#define NOTE_EXPANDED_LOCATION(XLOC, INSN) \
- (XLOC) = expand_location (NOTE_SOURCE_LOCATION (INSN))
-#define SET_INSN_DELETED(INSN) \
- (PUT_CODE (INSN, NOTE), NOTE_LINE_NUMBER (INSN) = NOTE_INSN_DELETED)
-#else
-#define NOTE_EXPANDED_LOCATION(XLOC, INSN) \
- ((XLOC).file = NOTE_SOURCE_FILE (INSN), \
- (XLOC).line = NOTE_LINE_NUMBER (INSN))
-#define NOTE_SOURCE_FILE(INSN) XCSTR (INSN, 4, NOTE)
-#define SET_INSN_DELETED(INSN) \
- (PUT_CODE (INSN, NOTE), NOTE_SOURCE_FILE (INSN) = 0, \
- NOTE_LINE_NUMBER (INSN) = NOTE_INSN_DELETED)
-#endif
+#define SET_INSN_DELETED(INSN) set_insn_deleted (INSN);
#define NOTE_BLOCK(INSN) XCTREE (INSN, 4, NOTE)
#define NOTE_EH_HANDLER(INSN) XCINT (INSN, 4, NOTE)
#define NOTE_BASIC_BLOCK(INSN) XCBBDEF (INSN, 4, NOTE)
-#define NOTE_EXPECTED_VALUE(INSN) XCEXP (INSN, 4, NOTE)
#define NOTE_VAR_LOCATION(INSN) XCEXP (INSN, 4, NOTE)
/* In a NOTE that is a line number, this is the line number.
Other kinds of NOTEs are identified by negative numbers here. */
-#define NOTE_LINE_NUMBER(INSN) XCINT (INSN, 5, NOTE)
+#define NOTE_KIND(INSN) XCINT (INSN, 5, NOTE)
/* Nonzero if INSN is a note marking the beginning of a basic block. */
#define NOTE_INSN_BASIC_BLOCK_P(INSN) \
(GET_CODE (INSN) == NOTE \
- && NOTE_LINE_NUMBER (INSN) == NOTE_INSN_BASIC_BLOCK)
+ && NOTE_KIND (INSN) == NOTE_INSN_BASIC_BLOCK)
/* Variable declaration and the location of a variable. */
#define NOTE_VAR_LOCATION_DECL(INSN) (XCTREE (XCEXP (INSN, 4, NOTE), \
#define NOTE_VAR_LOCATION_LOC(INSN) (XCEXP (XCEXP (INSN, 4, NOTE), \
1, VAR_LOCATION))
-/* Codes that appear in the NOTE_LINE_NUMBER field for kinds of notes
+/* Initialization status of the variable in the location. Status
+ can be unknown, uninitialized or initialized. See enumeration
+ type below. */
+#define NOTE_VAR_LOCATION_STATUS(INSN) (XCINT (XCEXP (INSN, 4, NOTE), \
+ 2, VAR_LOCATION))
+
+/* Possible initialization status of a variable. When requested
+ by the user, this information is tracked and recorded in the DWARF
+ debug information, along with the variable's location. */
+enum var_init_status
+{
+ VAR_INIT_STATUS_UNKNOWN,
+ VAR_INIT_STATUS_UNINITIALIZED,
+ VAR_INIT_STATUS_INITIALIZED
+};
+
+/* Codes that appear in the NOTE_KIND field for kinds of notes
that are not line numbers. These codes are all negative.
Notice that we do not try to use zero here for any of
enum insn_note
{
- /* Keep all of these numbers negative. Adjust as needed. */
- NOTE_INSN_BIAS = -100,
-
#define DEF_INSN_NOTE(NAME) NAME,
#include "insn-notes.def"
#undef DEF_INSN_NOTE
/* Names for NOTE insn's other than line numbers. */
-extern const char * const note_insn_name[NOTE_INSN_MAX - NOTE_INSN_BIAS];
+extern const char * const note_insn_name[NOTE_INSN_MAX];
#define GET_NOTE_INSN_NAME(NOTE_CODE) \
- (note_insn_name[(NOTE_CODE) - (int) NOTE_INSN_BIAS])
+ (note_insn_name[(NOTE_CODE)])
/* The name of a label, in case it corresponds to an explicit label
in the input source code. */
/* Retrieve the kind of LABEL. */
#define LABEL_KIND(LABEL) __extension__ \
-({ rtx const _label = (LABEL); \
+({ __typeof (LABEL) const _label = (LABEL); \
if (GET_CODE (_label) != CODE_LABEL) \
rtl_check_failed_flag ("LABEL_KIND", _label, __FILE__, __LINE__, \
__FUNCTION__); \
/* Set the kind of LABEL. */
#define SET_LABEL_KIND(LABEL, KIND) do { \
- rtx _label = (LABEL); \
- unsigned int _kind = (KIND); \
+ __typeof (LABEL) const _label = (LABEL); \
+ const unsigned int _kind = (KIND); \
if (GET_CODE (_label) != CODE_LABEL) \
rtl_check_failed_flag ("SET_LABEL_KIND", _label, __FILE__, __LINE__, \
__FUNCTION__); \
/* Set the kind of LABEL. */
#define SET_LABEL_KIND(LABEL, KIND) do { \
- rtx _label = (LABEL); \
- unsigned int _kind = (KIND); \
+ rtx const _label = (LABEL); \
+ const unsigned int _kind = (KIND); \
_label->jump = ((_kind >> 1) & 1); \
_label->call = (_kind & 1); \
} while (0)
/* In jump.c, each JUMP_INSN can point to a label that it can jump to,
so that if the JUMP_INSN is deleted, the label's LABEL_NUSES can
be decremented and possibly the label can be deleted. */
-#define JUMP_LABEL(INSN) XCEXP (INSN, 9, JUMP_INSN)
+#define JUMP_LABEL(INSN) XCEXP (INSN, 8, JUMP_INSN)
-/* Once basic blocks are found in flow.c,
- each CODE_LABEL starts a chain that goes through
- all the LABEL_REFs that jump to that label.
- The chain eventually winds up at the CODE_LABEL: it is circular. */
+/* Once basic blocks are found, each CODE_LABEL starts a chain that
+ goes through all the LABEL_REFs that jump to that label. The chain
+ eventually winds up at the CODE_LABEL: it is circular. */
#define LABEL_REFS(LABEL) XCEXP (LABEL, 5, CODE_LABEL)
\f
-/* This is the field in the LABEL_REF through which the circular chain
- of references to a particular label is linked.
- FIXME: This chain is used in loop.c and in the SH backend.
- Since loop.c is about to go away, it could be a win to replace
- the uses of this in the SH backend with something else. */
-#define LABEL_NEXTREF(REF) XCEXP (REF, 1, LABEL_REF)
-
-/* For a REG rtx, REGNO extracts the register number. ORIGINAL_REGNO holds
- the number the register originally had; for a pseudo register turned into
- a hard reg this will hold the old pseudo register number. */
-
-#define REGNO(RTX) XCUINT (RTX, 0, REG)
+/* For a REG rtx, REGNO extracts the register number. REGNO can only
+ be used on RHS. Use SET_REGNO to change the value. */
+#define REGNO(RTX) (rhs_regno(RTX))
+#define SET_REGNO(RTX,N) (df_ref_change_reg_with_loc (REGNO(RTX), N, RTX), XCUINT (RTX, 0, REG) = N)
+
+/* ORIGINAL_REGNO holds the number the register originally had; for a
+ pseudo register turned into a hard reg this will hold the old pseudo
+ register number. */
#define ORIGINAL_REGNO(RTX) X0UINT (RTX, 1)
+/* Force the REGNO macro to only be used on the lhs. */
+static inline unsigned int
+rhs_regno (const_rtx x)
+{
+ return XCUINT (x, 0, REG);
+}
+
+
+
/* 1 if RTX is a reg or parallel that is the current function's return
value. */
#define REG_FUNCTION_VALUE_P(RTX) \
/* For a CONST_INT rtx, INTVAL extracts the integer. */
#define INTVAL(RTX) XCWINT(RTX, 0, CONST_INT)
+#define UINTVAL(RTX) ((unsigned HOST_WIDE_INT) INTVAL (RTX))
/* For a CONST_DOUBLE:
For a VOIDmode, there are two integers CONST_DOUBLE_LOW is the
extern void init_rtlanal (void);
extern int rtx_cost (rtx, enum rtx_code);
extern int address_cost (rtx, enum machine_mode);
-extern unsigned int subreg_lsb (rtx);
+extern unsigned int subreg_lsb (const_rtx);
extern unsigned int subreg_lsb_1 (enum machine_mode, enum machine_mode,
unsigned int);
extern unsigned int subreg_regno_offset (unsigned int, enum machine_mode,
unsigned int, enum machine_mode);
extern bool subreg_offset_representable_p (unsigned int, enum machine_mode,
unsigned int, enum machine_mode);
-extern unsigned int subreg_regno (rtx);
-extern unsigned HOST_WIDE_INT nonzero_bits (rtx, enum machine_mode);
-extern unsigned int num_sign_bit_copies (rtx, enum machine_mode);
+extern unsigned int subreg_regno (const_rtx);
+extern unsigned int subreg_nregs (const_rtx);
+extern unsigned HOST_WIDE_INT nonzero_bits (const_rtx, enum machine_mode);
+extern unsigned int num_sign_bit_copies (const_rtx, enum machine_mode);
extern bool constant_pool_constant_p (rtx);
-extern bool truncated_to_mode (enum machine_mode, rtx);
+extern bool truncated_to_mode (enum machine_mode, const_rtx);
/* 1 if RTX is a subreg containing a reg that is already known to be
GET_MODE (XCVECEXP (RTX, 4, N, ASM_OPERANDS))
#ifdef USE_MAPPED_LOCATION
#define ASM_OPERANDS_SOURCE_LOCATION(RTX) XCUINT (RTX, 5, ASM_OPERANDS)
+#define ASM_INPUT_SOURCE_LOCATION(RTX) XCUINT (RTX, 1, ASM_INPUT)
#else
#define ASM_OPERANDS_SOURCE_FILE(RTX) XCSTR (RTX, 5, ASM_OPERANDS)
#define ASM_OPERANDS_SOURCE_LINE(RTX) XCINT (RTX, 6, ASM_OPERANDS)
+#define ASM_INPUT_SOURCE_FILE(RTX) XCSTR (RTX, 1, ASM_INPUT)
+#define ASM_INPUT_SOURCE_LINE(RTX) XCINT (RTX, 2, ASM_INPUT)
#endif
/* 1 if RTX is a mem that is statically allocated in read-only memory. */
MEM_NOTRAP_P (LHS) = MEM_NOTRAP_P (RHS), \
MEM_READONLY_P (LHS) = MEM_READONLY_P (RHS), \
MEM_KEEP_ALIAS_SET_P (LHS) = MEM_KEEP_ALIAS_SET_P (RHS), \
+ MEM_POINTER (LHS) = MEM_POINTER (RHS), \
MEM_ATTRS (LHS) = MEM_ATTRS (RHS))
-/* 1 if RTX is a label_ref to a label outside the loop containing the
- reference. */
-#define LABEL_OUTSIDE_LOOP_P(RTX) \
- (RTL_FLAG_CHECK1("LABEL_OUTSIDE_LOOP_P", (RTX), LABEL_REF)->in_struct)
-
/* 1 if RTX is a label_ref for a nonlocal label. */
/* Likewise in an expr_list for a reg_label note. */
#define LABEL_REF_NONLOCAL_P(RTX) \
offset within that block. */
#define SYMBOL_REF_BLOCK_OFFSET(RTX) (BLOCK_SYMBOL_CHECK (RTX)->offset)
+/* Indicate whether the machine has any sort of auto increment addressing.
+ If not, we can avoid checking for REG_INC notes. */
+
+#if (defined (HAVE_PRE_INCREMENT) || defined (HAVE_PRE_DECREMENT) \
+ || defined (HAVE_POST_INCREMENT) || defined (HAVE_POST_DECREMENT) \
+ || defined (HAVE_PRE_MODIFY_DISP) || defined (HAVE_PRE_MODIFY_DISP) \
+ || defined (HAVE_PRE_MODIFY_REG) || defined (HAVE_POST_MODIFY_REG))
+#define AUTO_INC_DEC
+#endif
+
/* Define a macro to look for REG_INC notes,
but save time on machines where they never exist. */
-#if (defined (HAVE_PRE_INCREMENT) || defined (HAVE_PRE_DECREMENT) || defined (HAVE_POST_INCREMENT) || defined (HAVE_POST_DECREMENT))
+#ifdef AUTO_INC_DEC
#define FIND_REG_INC_NOTE(INSN, REG) \
((REG) != NULL_RTX && REG_P ((REG)) \
? find_regno_note ((INSN), REG_INC, REGNO (REG)) \
#define FIND_REG_INC_NOTE(INSN, REG) 0
#endif
-/* Indicate whether the machine has any sort of auto increment addressing.
- If not, we can avoid checking for REG_INC notes. */
-
-#if (defined (HAVE_PRE_INCREMENT) || defined (HAVE_PRE_DECREMENT) || defined (HAVE_POST_INCREMENT) || defined (HAVE_POST_DECREMENT))
-#define AUTO_INC_DEC
-#endif
-
#ifndef HAVE_PRE_INCREMENT
#define HAVE_PRE_INCREMENT 0
#endif
/* In expmed.c */
extern int ceil_log2 (unsigned HOST_WIDE_INT);
-/* In builtins.c */
-extern rtx expand_builtin_expect_jump (tree, rtx, rtx);
-
/* In explow.c */
extern void set_stack_check_libfunc (rtx);
extern HOST_WIDE_INT trunc_int_for_mode (HOST_WIDE_INT, enum machine_mode);
extern rtx plus_constant (rtx, HOST_WIDE_INT);
/* In emit-rtl.c */
+extern rtx gen_blockage (void);
extern rtvec gen_rtvec (int, ...);
extern rtx copy_insn_1 (rtx);
extern rtx copy_insn (rtx);
extern void set_reg_attrs_from_mem (rtx, rtx);
extern void set_mem_attrs_from_reg (rtx, rtx);
extern void set_reg_attrs_for_parm (rtx, rtx);
-extern int mem_expr_equal_p (tree, tree);
+extern int mem_expr_equal_p (const_tree, const_tree);
/* In rtl.c */
extern rtx rtx_alloc_stat (RTX_CODE MEM_STAT_DECL);
#define rtx_alloc(c) rtx_alloc_stat (c MEM_STAT_INFO)
extern rtvec rtvec_alloc (int);
+extern bool shared_const_p (const_rtx);
extern rtx copy_rtx (rtx);
extern void dump_rtx_statistics (void);
extern rtx copy_rtx_if_shared (rtx);
/* In rtl.c */
-extern unsigned int rtx_size (rtx);
-extern rtx shallow_copy_rtx_stat (rtx MEM_STAT_DECL);
+extern unsigned int rtx_size (const_rtx);
+extern rtx shallow_copy_rtx_stat (const_rtx MEM_STAT_DECL);
#define shallow_copy_rtx(a) shallow_copy_rtx_stat (a MEM_STAT_INFO)
-extern int rtx_equal_p (rtx, rtx);
+extern int rtx_equal_p (const_rtx, const_rtx);
/* In emit-rtl.c */
extern rtvec gen_rtvec_v (int, rtx *);
extern rtx gen_reg_rtx (enum machine_mode);
extern rtx gen_rtx_REG_offset (rtx, enum machine_mode, unsigned int, int);
+extern rtx gen_reg_rtx_offset (rtx, enum machine_mode, int);
extern rtx gen_label_rtx (void);
extern rtx gen_lowpart_common (enum machine_mode, rtx);
/* In emit-rtl.c */
extern rtx operand_subword_force (rtx, unsigned int, enum machine_mode);
-extern int subreg_lowpart_p (rtx);
+extern int subreg_lowpart_p (const_rtx);
extern unsigned int subreg_lowpart_offset (enum machine_mode,
enum machine_mode);
extern unsigned int subreg_highpart_offset (enum machine_mode,
extern rtx get_last_nonnote_insn (void);
extern void start_sequence (void);
extern void push_to_sequence (rtx);
+extern void push_to_sequence2 (rtx, rtx);
extern void end_sequence (void);
extern rtx immed_double_const (HOST_WIDE_INT, HOST_WIDE_INT,
enum machine_mode);
struct function;
extern rtx get_pool_constant (rtx);
extern rtx get_pool_constant_mark (rtx, bool *);
-extern enum machine_mode get_pool_mode (rtx);
+extern enum machine_mode get_pool_mode (const_rtx);
extern rtx simplify_subtraction (rtx);
/* In function.c */
/* In emit-rtl.c */
extern rtx emit_insn_before (rtx, rtx);
-extern rtx emit_insn_before_noloc (rtx, rtx);
+extern rtx emit_insn_before_noloc (rtx, rtx, struct basic_block_def *);
extern rtx emit_insn_before_setloc (rtx, rtx, int);
extern rtx emit_jump_insn_before (rtx, rtx);
extern rtx emit_jump_insn_before_noloc (rtx, rtx);
extern rtx emit_call_insn_before_setloc (rtx, rtx, int);
extern rtx emit_barrier_before (rtx);
extern rtx emit_label_before (rtx, rtx);
-extern rtx emit_note_before (int, rtx);
+extern rtx emit_note_before (enum insn_note, rtx);
extern rtx emit_insn_after (rtx, rtx);
-extern rtx emit_insn_after_noloc (rtx, rtx);
+extern rtx emit_insn_after_noloc (rtx, rtx, struct basic_block_def *);
extern rtx emit_insn_after_setloc (rtx, rtx, int);
extern rtx emit_jump_insn_after (rtx, rtx);
extern rtx emit_jump_insn_after_noloc (rtx, rtx);
extern rtx emit_call_insn_after_setloc (rtx, rtx, int);
extern rtx emit_barrier_after (rtx);
extern rtx emit_label_after (rtx, rtx);
-extern rtx emit_note_after (int, rtx);
-extern rtx emit_note_copy_after (rtx, rtx);
+extern rtx emit_note_after (enum insn_note, rtx);
extern rtx emit_insn (rtx);
extern rtx emit_jump_insn (rtx);
extern rtx emit_call_insn (rtx);
extern rtx emit_label (rtx);
extern rtx emit_barrier (void);
-extern rtx emit_note (int);
+extern rtx emit_note (enum insn_note);
extern rtx emit_note_copy (rtx);
-extern rtx emit_line_note (location_t);
extern rtx make_insn_raw (rtx);
extern rtx make_jump_insn_raw (rtx);
extern void add_function_usage_to (rtx, rtx);
extern rtx next_real_insn (rtx);
extern rtx prev_active_insn (rtx);
extern rtx next_active_insn (rtx);
-extern int active_insn_p (rtx);
+extern int active_insn_p (const_rtx);
extern rtx prev_label (rtx);
extern rtx next_label (rtx);
extern rtx skip_consecutive_labels (rtx);
extern rtx prev_cc0_setter (rtx);
/* In cfglayout.c */
-extern int insn_line (rtx);
-extern const char * insn_file (rtx);
+extern int insn_line (const_rtx);
+extern const char * insn_file (const_rtx);
extern int locator_line (int);
extern const char * locator_file (int);
extern int prologue_locator, epilogue_locator;
extern unsigned int cleanup_barriers (void);
/* In jump.c */
-extern bool squeeze_notes (rtx *, rtx *);
extern rtx delete_related_insns (rtx);
-extern void delete_jump (rtx);
-extern rtx get_label_before (rtx);
-extern rtx get_label_after (rtx);
-extern rtx follow_jumps (rtx);
/* In recog.c */
extern rtx *find_constant_term_loc (rtx *);
unsigned int);
extern rtx simplify_gen_subreg (enum machine_mode, rtx, enum machine_mode,
unsigned int);
-extern rtx simplify_replace_rtx (rtx, rtx, rtx);
+extern rtx simplify_replace_rtx (rtx, const_rtx, rtx);
extern rtx simplify_rtx (rtx);
extern rtx avoid_constant_pool_reference (rtx);
-extern bool constant_pool_reference_p (rtx x);
-extern bool mode_signbit_p (enum machine_mode, rtx);
+extern bool mode_signbit_p (enum machine_mode, const_rtx);
/* In regclass.c */
extern enum machine_mode choose_hard_reg_mode (unsigned int, unsigned int,
/* In emit-rtl.c */
extern rtx set_unique_reg_note (rtx, enum reg_note, rtx);
+extern void set_insn_deleted (rtx);
/* Functions in rtlanal.c */
bool update_label_nuses;
} replace_label_data;
-extern int rtx_addr_can_trap_p (rtx);
-extern bool nonzero_address_p (rtx);
-extern int rtx_unstable_p (rtx);
-extern int rtx_varies_p (rtx, int);
-extern int rtx_addr_varies_p (rtx, int);
-extern HOST_WIDE_INT get_integer_term (rtx);
-extern rtx get_related_value (rtx);
-extern int reg_mentioned_p (rtx, rtx);
-extern int count_occurrences (rtx, rtx, int);
-extern int reg_referenced_p (rtx, rtx);
-extern int reg_used_between_p (rtx, rtx, rtx);
-extern int reg_set_between_p (rtx, rtx, rtx);
+extern int rtx_addr_can_trap_p (const_rtx);
+extern bool nonzero_address_p (const_rtx);
+extern int rtx_unstable_p (const_rtx);
+extern bool rtx_varies_p (const_rtx, bool);
+extern bool rtx_addr_varies_p (const_rtx, bool);
+extern HOST_WIDE_INT get_integer_term (const_rtx);
+extern rtx get_related_value (const_rtx);
+extern bool offset_within_block_p (const_rtx, HOST_WIDE_INT);
+extern void split_const (rtx, rtx *, rtx *);
+extern int reg_mentioned_p (const_rtx, const_rtx);
+extern int count_occurrences (const_rtx, const_rtx, int);
+extern int reg_referenced_p (const_rtx, const_rtx);
+extern int reg_used_between_p (const_rtx, const_rtx, const_rtx);
+extern int reg_set_between_p (const_rtx, const_rtx, const_rtx);
extern int commutative_operand_precedence (rtx);
-extern int swap_commutative_operands_p (rtx, rtx);
+extern bool swap_commutative_operands_p (rtx, rtx);
extern int modified_between_p (rtx, rtx, rtx);
-extern int no_labels_between_p (rtx, rtx);
+extern int no_labels_between_p (const_rtx, const_rtx);
extern int modified_in_p (rtx, rtx);
-extern int reg_set_p (rtx, rtx);
-extern rtx single_set_2 (rtx, rtx);
-extern int multiple_sets (rtx);
-extern int set_noop_p (rtx);
-extern int noop_move_p (rtx);
+extern int reg_set_p (const_rtx, const_rtx);
+extern rtx single_set_2 (const_rtx, const_rtx);
+extern int multiple_sets (const_rtx);
+extern int set_noop_p (const_rtx);
+extern int noop_move_p (const_rtx);
extern rtx find_last_value (rtx, rtx *, rtx, int);
-extern int refers_to_regno_p (unsigned int, unsigned int, rtx, rtx *);
-extern int reg_overlap_mentioned_p (rtx, rtx);
-extern rtx set_of (rtx, rtx);
-extern void note_stores (rtx, void (*) (rtx, rtx, void *), void *);
+extern int refers_to_regno_p (unsigned int, unsigned int, const_rtx, rtx *);
+extern int reg_overlap_mentioned_p (const_rtx, const_rtx);
+extern const_rtx set_of (const_rtx, const_rtx);
+extern void note_stores (const_rtx, void (*) (rtx, const_rtx, void *), void *);
extern void note_uses (rtx *, void (*) (rtx *, void *), void *);
-extern int dead_or_set_p (rtx, rtx);
-extern int dead_or_set_regno_p (rtx, unsigned int);
-extern rtx find_reg_note (rtx, enum reg_note, rtx);
-extern rtx find_regno_note (rtx, enum reg_note, unsigned int);
-extern rtx find_reg_equal_equiv_note (rtx);
-extern int find_reg_fusage (rtx, enum rtx_code, rtx);
-extern int find_regno_fusage (rtx, enum rtx_code, unsigned int);
-extern int pure_call_p (rtx);
-extern void remove_note (rtx, rtx);
-extern int side_effects_p (rtx);
-extern int volatile_refs_p (rtx);
-extern int volatile_insn_p (rtx);
-extern int may_trap_p (rtx);
-extern int may_trap_after_code_motion_p (rtx);
-extern int may_trap_or_fault_p (rtx);
-extern int inequality_comparisons_p (rtx);
+extern int dead_or_set_p (const_rtx, const_rtx);
+extern int dead_or_set_regno_p (const_rtx, unsigned int);
+extern rtx find_reg_note (const_rtx, enum reg_note, const_rtx);
+extern rtx find_regno_note (const_rtx, enum reg_note, unsigned int);
+extern rtx find_reg_equal_equiv_note (const_rtx);
+extern rtx find_constant_src (const_rtx);
+extern int find_reg_fusage (const_rtx, enum rtx_code, const_rtx);
+extern int find_regno_fusage (const_rtx, enum rtx_code, unsigned int);
+extern int pure_call_p (const_rtx);
+extern void remove_note (rtx, const_rtx);
+extern void remove_reg_equal_equiv_notes (rtx);
+extern int side_effects_p (const_rtx);
+extern int volatile_refs_p (const_rtx);
+extern int volatile_insn_p (const_rtx);
+extern int may_trap_p (const_rtx);
+extern int may_trap_after_code_motion_p (const_rtx);
+extern int may_trap_or_fault_p (const_rtx);
+extern int inequality_comparisons_p (const_rtx);
extern rtx replace_rtx (rtx, rtx, rtx);
-extern rtx replace_regs (rtx, rtx *, unsigned int, int);
extern int replace_label (rtx *, void *);
extern int rtx_referenced_p (rtx, rtx);
-extern bool tablejump_p (rtx, rtx *, rtx *);
-extern int computed_jump_p (rtx);
+extern bool tablejump_p (const_rtx, rtx *, rtx *);
+extern int computed_jump_p (const_rtx);
typedef int (*rtx_function) (rtx *, void *);
extern int for_each_rtx (rtx *, rtx_function, void *);
extern rtx regno_use_in (unsigned int, rtx);
-extern int auto_inc_p (rtx);
-extern int in_expr_list_p (rtx, rtx);
-extern void remove_node_from_expr_list (rtx, rtx *);
-extern int loc_mentioned_in_p (rtx *, rtx);
+extern int auto_inc_p (const_rtx);
+extern int in_expr_list_p (const_rtx, const_rtx);
+extern void remove_node_from_expr_list (const_rtx, rtx *);
+extern int loc_mentioned_in_p (rtx *, const_rtx);
extern rtx find_first_parameter_load (rtx, rtx);
extern bool keep_with_call_p (rtx);
-extern bool label_is_jump_target_p (rtx, rtx);
+extern bool label_is_jump_target_p (const_rtx, const_rtx);
extern int insn_rtx_cost (rtx);
/* Given an insn and condition, return a canonical description of
being made. */
extern rtx get_condition (rtx, rtx *, int, int);
-
-/* flow.c */
-
-extern rtx find_use_as_address (rtx, rtx, HOST_WIDE_INT);
-
/* lists.c */
void free_EXPR_LIST_list (rtx *);
void free_INSN_LIST_node (rtx);
rtx alloc_INSN_LIST (rtx, rtx);
rtx alloc_EXPR_LIST (int, rtx, rtx);
+void remove_free_INSN_LIST_elem (rtx, rtx *);
+rtx remove_list_elem (rtx, rtx *);
/* regclass.c */
-/* Maximum number of parallel sets and clobbers in any insn in this fn.
- Always at least 3, since the combiner could put that many together
- and we want this to remain correct for all the remaining passes. */
-
-extern int max_parallel;
-
/* Free up register info memory. */
extern void free_reg_info (void);
/* recog.c */
-extern int asm_noperands (rtx);
+extern int asm_noperands (const_rtx);
extern const char *decode_asm_operands (rtx, rtx *, rtx **, const char **,
- enum machine_mode *);
+ enum machine_mode *, location_t *);
extern enum reg_class reg_preferred_class (int);
extern enum reg_class reg_alternate_class (int);
-extern void split_all_insns (int);
+extern void split_all_insns (void);
extern unsigned int split_all_insns_noflow (void);
#define MAX_SAVED_CONST_INT 64
#ifndef GENERATOR_FILE
#include "genrtl.h"
-#ifndef USE_MAPPED_LOCATION
+#undef gen_rtx_ASM_INPUT
+#ifdef USE_MAPPED_LOCATION
+#define gen_rtx_ASM_INPUT(MODE, ARG0) \
+ gen_rtx_fmt_si (ASM_INPUT, (MODE), (ARG0), 0)
+#define gen_rtx_ASM_INPUT_loc(MODE, ARG0, LOC) \
+ gen_rtx_fmt_si (ASM_INPUT, (MODE), (ARG0), (LOC))
+#else
+#define gen_rtx_ASM_INPUT(MODE, ARG0) \
+ gen_rtx_fmt_ssi (ASM_INPUT, (MODE), (ARG0), "", 0)
+#define gen_rtx_ASM_INPUT_loc(MODE, ARG0, LOC) \
+ gen_rtx_fmt_ssi (ASM_INPUT, (MODE), (ARG0), (LOC).file, (LOC).line)
#undef gen_rtx_ASM_OPERANDS
#define gen_rtx_ASM_OPERANDS(MODE, ARG0, ARG1, ARG2, ARG3, ARG4, LOC) \
gen_rtx_fmt_ssiEEsi (ASM_OPERANDS, (MODE), (ARG0), (ARG1), (ARG2), (ARG3), (ARG4), (LOC).file, (LOC).line)
extern rtx output_constant_def (tree, int);
extern rtx lookup_constant_def (tree);
-/* Nonzero after the second flow pass has completed.
- Set to 1 or 0 by toplev.c */
-extern int flow2_completed;
-
/* Nonzero after end of reload pass.
Set to 1 or 0 by reload1.c. */
extern int reload_in_progress;
+/* This macro indicates whether you may create a new
+ pseudo-register. */
+
+#define can_create_pseudo_p() (!reload_in_progress && !reload_completed)
+
+#ifdef STACK_REGS
+/* Nonzero after end of regstack pass.
+ Set to 1 or 0 by reg-stack.c. */
+extern int regstack_completed;
+#endif
+
/* If this is nonzero, we do not bother generating VOLATILE
around volatile memory references, and we are willing to
output indirect addresses. If cse is to follow, we reject
the same indirect address eventually. */
extern int cse_not_expected;
-/* Set to nonzero before life analysis to indicate that it is unsafe to
- generate any new pseudo registers. */
-extern int no_new_pseudos;
-
/* Translates rtx code to tree code, for those codes needed by
REAL_ARITHMETIC. The function returns an int because the caller may not
know what `enum tree_code' means. */
/* In cse.c */
extern int delete_trivially_dead_insns (rtx, int);
extern int cse_main (rtx, int);
-extern int exp_equiv_p (rtx, rtx, int, bool);
-extern unsigned hash_rtx (rtx x, enum machine_mode, int *, int *, bool);
+extern int exp_equiv_p (const_rtx, const_rtx, int, bool);
+extern unsigned hash_rtx (const_rtx x, enum machine_mode, int *, int *, bool);
/* In jump.c */
extern int comparison_dominates_p (enum rtx_code, enum rtx_code);
-extern int condjump_p (rtx);
-extern int any_condjump_p (rtx);
-extern int any_uncondjump_p (rtx);
-extern rtx pc_set (rtx);
+extern int condjump_p (const_rtx);
+extern int any_condjump_p (const_rtx);
+extern int any_uncondjump_p (const_rtx);
+extern rtx pc_set (const_rtx);
extern rtx condjump_label (rtx);
-extern int simplejump_p (rtx);
+extern int simplejump_p (const_rtx);
extern int returnjump_p (rtx);
-extern int onlyjump_p (rtx);
-extern int only_sets_cc0_p (rtx);
-extern int sets_cc0_p (rtx);
+extern int onlyjump_p (const_rtx);
+extern int only_sets_cc0_p (const_rtx);
+extern int sets_cc0_p (const_rtx);
extern int invert_jump_1 (rtx, rtx);
extern int invert_jump (rtx, rtx, int);
extern int rtx_renumbered_equal_p (rtx, rtx);
-extern int true_regnum (rtx);
-extern unsigned int reg_or_subregno (rtx);
+extern int true_regnum (const_rtx);
+extern unsigned int reg_or_subregno (const_rtx);
extern int redirect_jump_1 (rtx, rtx);
extern void redirect_jump_2 (rtx, rtx, rtx, int, int);
extern int redirect_jump (rtx, rtx, int);
extern void rebuild_jump_labels (rtx);
extern rtx reversed_comparison (rtx, enum machine_mode);
extern enum rtx_code reversed_comparison_code (rtx, rtx);
-extern enum rtx_code reversed_comparison_code_parts (enum rtx_code,
- rtx, rtx, rtx);
+extern enum rtx_code reversed_comparison_code_parts (enum rtx_code, rtx,
+ rtx, rtx);
extern void delete_for_peephole (rtx, rtx);
-extern int condjump_in_parallel_p (rtx);
-extern unsigned int purge_line_number_notes (void);
+extern int condjump_in_parallel_p (const_rtx);
/* In emit-rtl.c. */
extern int max_reg_num (void);
extern void set_last_insn (rtx);
extern void link_cc0_insns (rtx);
extern void add_insn (rtx);
-extern void add_insn_before (rtx, rtx);
-extern void add_insn_after (rtx, rtx);
+extern void add_insn_before (rtx, rtx, struct basic_block_def *);
+extern void add_insn_after (rtx, rtx, struct basic_block_def *);
extern void remove_insn (rtx);
-extern void emit_insn_after_with_line_notes (rtx, rtx, rtx);
extern rtx emit (rtx);
-extern void renumber_insns (void);
-extern unsigned int remove_unnecessary_notes (void);
extern rtx delete_insn (rtx);
extern rtx entry_of_function (void);
-extern void delete_insn_chain (rtx, rtx);
+extern void emit_insn_at_entry (rtx);
+extern void delete_insn_chain (rtx, rtx, bool);
extern rtx unlink_insn_chain (rtx, rtx);
extern rtx delete_insn_and_edges (rtx);
-extern void delete_insn_chain_and_edges (rtx, rtx);
extern rtx gen_lowpart_SUBREG (enum machine_mode, rtx);
extern rtx gen_const_mem (enum machine_mode, rtx);
extern rtx gen_frame_mem (enum machine_mode, rtx);
extern rtx gen_tmp_stack_mem (enum machine_mode, rtx);
extern bool validate_subreg (enum machine_mode, enum machine_mode,
- rtx, unsigned int);
+ const_rtx, unsigned int);
-/* In combine.c */
-extern unsigned int extended_count (rtx, enum machine_mode, int);
+/* In combine.c */
+extern unsigned int extended_count (const_rtx, enum machine_mode, int);
extern rtx remove_death (unsigned int, rtx);
extern void dump_combine_stats (FILE *);
extern void dump_combine_total_stats (FILE *);
+/* In cfgcleanup.c */
+extern void delete_dead_jumptables (void);
+
/* In sched-vis.c. */
extern void print_rtl_slim_with_bb (FILE *, rtx, int);
extern void dump_insn_slim (FILE *f, rtx x);
/* In print-rtl.c */
extern const char *print_rtx_head;
-extern void debug_rtx (rtx);
-extern void debug_rtx_list (rtx, int);
-extern void debug_rtx_range (rtx, rtx);
-extern rtx debug_rtx_find (rtx, int);
-extern void print_mem_expr (FILE *, tree);
-extern void print_rtl (FILE *, rtx);
-extern void print_simple_rtl (FILE *, rtx);
-extern int print_rtl_single (FILE *, rtx);
-extern void print_inline_rtx (FILE *, rtx, int);
-
-/* In loop.c */
-extern void init_loop (void);
-
-/* In bt-load.c */
-extern void branch_target_load_optimize (bool);
+extern void debug_rtx (const_rtx);
+extern void debug_rtx_list (const_rtx, int);
+extern void debug_rtx_range (const_rtx, const_rtx);
+extern const_rtx debug_rtx_find (const_rtx, int);
+extern void print_mem_expr (FILE *, const_tree);
+extern void print_rtl (FILE *, const_rtx);
+extern void print_simple_rtl (FILE *, const_rtx);
+extern int print_rtl_single (FILE *, const_rtx);
+extern void print_inline_rtx (FILE *, const_rtx, int);
/* In function.c */
-extern void reposition_prologue_and_epilogue_notes (rtx);
-extern void thread_prologue_and_epilogue_insns (rtx);
-extern int prologue_epilogue_contains (rtx);
-extern int sibcall_epilogue_contains (rtx);
+extern void reposition_prologue_and_epilogue_notes (void);
+extern int prologue_epilogue_contains (const_rtx);
+extern int sibcall_epilogue_contains (const_rtx);
extern void mark_temp_addr_taken (rtx);
extern void update_temp_slot_address (rtx, rtx);
extern rtx move_by_pieces (rtx, rtx, unsigned HOST_WIDE_INT,
unsigned int, int);
-/* In flow.c */
-extern unsigned int recompute_reg_usage (void);
-extern void delete_dead_jumptables (void);
-extern void print_rtl_with_bb (FILE *, rtx);
+/* In cfgrtl.c */
+extern void print_rtl_with_bb (FILE *, const_rtx);
+
+/* In cfg.c. */
+extern void dump_reg_info (FILE *);
extern void dump_flow_info (FILE *, int);
/* In expmed.c */
extern void init_regs (void);
extern void init_fake_stack_mems (void);
extern void init_reg_sets (void);
-extern void regclass_init (void);
extern void regclass (rtx, int);
extern void reg_scan (rtx, unsigned int);
extern void fix_register (const char *, int, int);
-extern void init_subregs_of_mode (void);
-extern void record_subregs_of_mode (rtx);
#ifdef HARD_CONST
extern void cannot_change_mode_set_regs (HARD_REG_SET *,
enum machine_mode, unsigned int);
extern void dump_local_alloc (FILE *);
/* In reload1.c */
-extern int function_invariant_p (rtx);
+extern int function_invariant_p (const_rtx);
/* In calls.c */
enum libcall_type
extern int read_rtx_lineno;
/* In alias.c */
-extern void clear_reg_alias_info (rtx);
extern rtx canon_rtx (rtx);
-extern int true_dependence (rtx, enum machine_mode, rtx, int (*)(rtx, int));
+extern int true_dependence (const_rtx, enum machine_mode, const_rtx, bool (*)(const_rtx, bool));
extern rtx get_addr (rtx);
-extern int canon_true_dependence (rtx, enum machine_mode, rtx, rtx,
- int (*)(rtx, int));
-extern int read_dependence (rtx, rtx);
-extern int anti_dependence (rtx, rtx);
-extern int output_dependence (rtx, rtx);
+extern int canon_true_dependence (const_rtx, enum machine_mode, rtx, const_rtx,
+ bool (*)(const_rtx, bool));
+extern int read_dependence (const_rtx, const_rtx);
+extern int anti_dependence (const_rtx, const_rtx);
+extern int output_dependence (const_rtx, const_rtx);
extern void init_alias_once (void);
extern void init_alias_analysis (void);
extern void end_alias_analysis (void);
/* In predict.c */
extern void invert_br_probabilities (rtx);
extern bool expensive_function_p (int);
+/* In cfgexpand.c */
+extern void add_reg_br_prob_note (rtx last, int probability);
/* In tracer.c */
-extern void tracer (unsigned int);
+extern void tracer (void);
/* In var-tracking.c */
extern unsigned int variable_tracking_main (void);
{
rtx (*gen_lowpart) (enum machine_mode, rtx);
rtx (*gen_lowpart_no_emit) (enum machine_mode, rtx);
- rtx (*reg_nonzero_bits) (rtx, enum machine_mode, rtx, enum machine_mode,
+ rtx (*reg_nonzero_bits) (const_rtx, enum machine_mode, const_rtx, enum machine_mode,
unsigned HOST_WIDE_INT, unsigned HOST_WIDE_INT *);
- rtx (*reg_num_sign_bit_copies) (rtx, enum machine_mode, rtx, enum machine_mode,
+ rtx (*reg_num_sign_bit_copies) (const_rtx, enum machine_mode, const_rtx, enum machine_mode,
unsigned int, unsigned int *);
- bool (*reg_truncated_to_mode) (enum machine_mode, rtx);
+ bool (*reg_truncated_to_mode) (enum machine_mode, const_rtx);
/* Whenever you add entries here, make sure you adjust rtlhooks-def.h. */
};
/* Keep this for the nonce. */
#define gen_lowpart rtl_hooks.gen_lowpart
+extern void insn_locators_alloc (void);
+extern void insn_locators_finalize (void);
+extern void set_curr_insn_source_location (location_t);
+extern void set_curr_insn_block (tree);
+extern int curr_insn_locator (void);
+
#endif /* ! GCC_RTL_H */
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