-/* Register Transfer Language (RTL) definitions for GNU C-Compiler
+/* Register Transfer Language (RTL) definitions for GCC
Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GCC.
struct function;
#include "machmode.h"
+#include "input.h"
#undef FFS /* Some systems predefine this symbol; don't let it interfere. */
#undef FLOAT /* Likewise. */
extern const char rtx_class[NUM_RTX_CODE];
#define GET_RTX_CLASS(CODE) (rtx_class[(int) (CODE)])
+
+extern const unsigned char rtx_size[NUM_RTX_CODE];
+extern const unsigned char rtx_next[NUM_RTX_CODE];
\f
/* The flags and bitfields of an ADDR_DIFF_VEC. BASE is the base label
relative to which the offsets are calculated, as explained in rtl.def. */
so MEMs that the same attributes share a data structure. This means
they cannot be modified in place. If any element is nonzero, it means
the value of the corresponding attribute is unknown. */
+/* ALIGN and SIZE are the alignment and size of the MEM itself,
+ while EXPR can describe a larger underlying object, which might have a
+ stricter alignment; OFFSET is the offset of the MEM within that object. */
typedef struct mem_attrs GTY(())
{
HOST_WIDE_INT alias; /* Memory alias set. */
unsigned int align; /* Alignment of MEM in bits. */
} mem_attrs;
+/* Structure used to describe the attributes of a REG in similar way as
+ mem_attrs does for MEM above. */
+
+typedef struct reg_attrs GTY(())
+{
+ tree decl; /* decl corresponding to REG. */
+ HOST_WIDE_INT offset; /* Offset from start of DECL. */
+} reg_attrs;
+
/* Common union for an element of an rtx. */
-typedef union rtunion_def
+union rtunion_def
{
- HOST_WIDE_INT rtwint;
int rtint;
unsigned int rtuint;
const char *rtstr;
tree rttree;
struct basic_block_def *bb;
mem_attrs *rtmem;
-} rtunion;
+ reg_attrs *rtreg;
+};
+typedef union rtunion_def rtunion;
/* RTL expression ("rtx"). */
-struct rtx_def
+struct rtx_def GTY((chain_next ("RTX_NEXT (&%h)"),
+ chain_prev ("RTX_PREV (&%h)")))
{
/* The kind of expression this is. */
ENUM_BITFIELD(rtx_code) code: 16;
/* 1 in a MEM if we should keep the alias set for this mem unchanged
when we access a component.
1 in a CALL_INSN if it is a sibling call.
- 1 in a SET that is for a return. */
+ 1 in a SET that is for a return.
+ In a CODE_LABEL, part of the two-bit alternate entry field. */
unsigned int jump : 1;
- /* This flag is currently unused. */
+ /* In a CODE_LABEL, part of the two-bit alternate entry field.
+ 1 in a MEM if it cannot trap. */
unsigned int call : 1;
/* 1 in a REG, MEM, or CONCAT if the value is set at most once, anywhere.
1 in a SUBREG if it references an unsigned object whose mode has been
and must not be deleted even if its count is zero.
1 in a LABEL_REF if this is a reference to a label outside the
current loop.
- 1 in an INSN, JUMP_INSN, CALL_INSN, CODE_LABEL, BARRIER, or NOTE if
- this insn must be scheduled together with the preceding insn. Valid
- only within sched.
+ 1 in an INSN, JUMP_INSN or CALL_INSN if this insn must be scheduled
+ together with the preceding insn. Valid only within sched.
1 in an INSN, JUMP_INSN, or CALL_INSN if insn is in a delay slot and
from the target of a branch. Valid from reorg until end of compilation;
cleared before used.
- 1 in an INSN or related rtx if this insn is dead code. Valid only during
- dead-code elimination phase; cleared before use. */
+ 1 in an INSN, JUMP_INSN or CALL_INSN or related rtx if this insn is
+ dead code. Valid only during dead-code elimination phase; cleared
+ before use. */
unsigned int in_struct : 1;
/* At the end of RTL generation, 1 if this rtx is used. This is used for
copying shared structure. See `unshare_all_rtl'.
has used it as the function. */
unsigned int used : 1;
/* Nonzero if this rtx came from procedure integration.
- 1 in a REG means this reg refers to the return value
+ 1 in a REG or PARALLEL means this rtx refers to the return value
of the current function.
1 in a SYMBOL_REF if the symbol is weak. */
unsigned integrated : 1;
/* The first element of the operands of this rtx.
The number of operands and their types are controlled
by the `code' field, according to rtl.def. */
- rtunion fld[1];
+ union u {
+ rtunion fld[1];
+ HOST_WIDE_INT hwint[1];
+ } GTY ((special ("rtx_def"), desc ("GET_CODE (&%0)"))) u;
};
+/* The size in bytes of an rtx header (code, mode and flags). */
+#define RTX_HDR_SIZE offsetof (struct rtx_def, u)
+
+/* The size in bytes of an rtx with code CODE. */
+#define RTX_SIZE(CODE) rtx_size[CODE]
+
#define NULL_RTX (rtx) 0
+/* The "next" and "previous" RTX, relative to this one. */
+
+#define RTX_NEXT(X) (rtx_next[GET_CODE (X)] == 0 ? NULL \
+ : *(rtx *)(((char *)X) + rtx_next[GET_CODE (X)]))
+
+/* FIXME: the "NEXT_INSN (PREV_INSN (X)) == X" condition shouldn't be needed.
+ */
+#define RTX_PREV(X) ((GET_CODE (X) == INSN \
+ || GET_CODE (X) == CALL_INSN \
+ || GET_CODE (X) == JUMP_INSN \
+ || GET_CODE (X) == NOTE \
+ || GET_CODE (X) == BARRIER \
+ || GET_CODE (X) == CODE_LABEL) \
+ && PREV_INSN (X) != NULL \
+ && NEXT_INSN (PREV_INSN (X)) == X \
+ ? PREV_INSN (X) : NULL)
+
/* Define macros to access the `code' field of the rtx. */
#define GET_CODE(RTX) ((enum rtx_code) (RTX)->code)
-#define PUT_CODE(RTX, CODE) ((RTX)->code = (ENUM_BITFIELD(rtx_code)) (CODE))
+#define PUT_CODE(RTX, CODE) ((RTX)->code = (CODE))
#define GET_MODE(RTX) ((enum machine_mode) (RTX)->mode)
-#define PUT_MODE(RTX, MODE) ((RTX)->mode = (ENUM_BITFIELD(machine_mode)) (MODE))
+#define PUT_MODE(RTX, MODE) ((RTX)->mode = (MODE))
/* RTL vector. These appear inside RTX's when there is a need
for a variable number of things. The principle use is inside
/* Predicate yielding nonzero iff X is a barrier insn. */
#define BARRIER_P(X) (GET_CODE (X) == BARRIER)
-/* Predicate yielding nonzero iff X is cc0. */
-#ifdef HAVE_cc0
-#define CC0_P(X) ((X) == cc0_rtx)
-#else
-#define CC0_P(X) 0
-#endif
-
/* Predicate yielding nonzero iff X is a data for a jump table. */
#define JUMP_TABLE_DATA_P(INSN) \
(JUMP_P (INSN) && (GET_CODE (PATTERN (INSN)) == ADDR_VEC || \
if (GET_RTX_FORMAT(_code)[_n] != C1) \
rtl_check_failed_type1 (_rtx, _n, C1, __FILE__, __LINE__, \
__FUNCTION__); \
- &_rtx->fld[_n]; }))
+ &_rtx->u.fld[_n]; }))
#define RTL_CHECK2(RTX, N, C1, C2) __extension__ \
(*({ rtx const _rtx = (RTX); const int _n = (N); \
&& GET_RTX_FORMAT(_code)[_n] != C2) \
rtl_check_failed_type2 (_rtx, _n, C1, C2, __FILE__, __LINE__, \
__FUNCTION__); \
- &_rtx->fld[_n]; }))
+ &_rtx->u.fld[_n]; }))
#define RTL_CHECKC1(RTX, N, C) __extension__ \
(*({ rtx const _rtx = (RTX); const int _n = (N); \
if (GET_CODE (_rtx) != (C)) \
rtl_check_failed_code1 (_rtx, (C), __FILE__, __LINE__, \
__FUNCTION__); \
- &_rtx->fld[_n]; }))
+ &_rtx->u.fld[_n]; }))
#define RTL_CHECKC2(RTX, N, C1, C2) __extension__ \
(*({ rtx const _rtx = (RTX); const int _n = (N); \
if (_code != (C1) && _code != (C2)) \
rtl_check_failed_code2 (_rtx, (C1), (C2), __FILE__, __LINE__, \
__FUNCTION__); \
- &_rtx->fld[_n]; }))
+ &_rtx->u.fld[_n]; }))
#define RTVEC_ELT(RTVEC, I) __extension__ \
(*({ rtvec const _rtvec = (RTVEC); const int _i = (I); \
__FUNCTION__); \
&_rtvec->elem[_i]; }))
-extern void rtl_check_failed_bounds PARAMS ((rtx, int,
- const char *, int, const char *))
+#define XWINT(RTX, N) __extension__ \
+(*({ 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__, \
+ __FUNCTION__); \
+ if (GET_RTX_FORMAT(_code)[_n] != 'w') \
+ rtl_check_failed_type1 (_rtx, _n, 'w', __FILE__, __LINE__, \
+ __FUNCTION__); \
+ &_rtx->u.hwint[_n]; }))
+
+#define XCWINT(RTX, N, C) __extension__ \
+(*({ rtx const _rtx = (RTX); \
+ if (GET_CODE (_rtx) != (C)) \
+ rtl_check_failed_code1 (_rtx, (C), __FILE__, __LINE__, \
+ __FUNCTION__); \
+ &_rtx->u.hwint[N]; }))
+
+extern void rtl_check_failed_bounds (rtx, int, const char *, int,
+ const char *)
ATTRIBUTE_NORETURN;
-extern void rtl_check_failed_type1 PARAMS ((rtx, int, int,
- const char *, int, const char *))
+extern void rtl_check_failed_type1 (rtx, int, int, const char *, int,
+ const char *)
ATTRIBUTE_NORETURN;
-extern void rtl_check_failed_type2 PARAMS ((rtx, int, int, int,
- const char *, int, const char *))
+extern void rtl_check_failed_type2 (rtx, int, int, int, const char *,
+ int, const char *)
ATTRIBUTE_NORETURN;
-extern void rtl_check_failed_code1 PARAMS ((rtx, enum rtx_code,
- const char *, int, const char *))
+extern void rtl_check_failed_code1 (rtx, enum rtx_code, const char *,
+ int, const char *)
ATTRIBUTE_NORETURN;
-extern void rtl_check_failed_code2 PARAMS ((rtx, enum rtx_code, enum rtx_code,
- const char *, int, const char *))
+extern void rtl_check_failed_code2 (rtx, enum rtx_code, enum rtx_code,
+ const char *, int, const char *)
ATTRIBUTE_NORETURN;
-extern void rtvec_check_failed_bounds PARAMS ((rtvec, int,
- const char *, int, const char *))
+extern void rtvec_check_failed_bounds (rtvec, int, const char *, int,
+ const char *)
ATTRIBUTE_NORETURN;
#else /* not ENABLE_RTL_CHECKING */
-#define RTL_CHECK1(RTX, N, C1) ((RTX)->fld[N])
-#define RTL_CHECK2(RTX, N, C1, C2) ((RTX)->fld[N])
-#define RTL_CHECKC1(RTX, N, C) ((RTX)->fld[N])
-#define RTL_CHECKC2(RTX, N, C1, C2) ((RTX)->fld[N])
+#define RTL_CHECK1(RTX, N, C1) ((RTX)->u.fld[N])
+#define RTL_CHECK2(RTX, N, C1, C2) ((RTX)->u.fld[N])
+#define RTL_CHECKC1(RTX, N, C) ((RTX)->u.fld[N])
+#define RTL_CHECKC2(RTX, N, C1, C2) ((RTX)->u.fld[N])
#define RTVEC_ELT(RTVEC, I) ((RTVEC)->elem[I])
+#define XWINT(RTX, N) ((RTX)->u.hwint[N])
+#define XCWINT(RTX, N, C) ((RTX)->u.hwint[N])
#endif
({ rtx const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
- __FUNCTION__); \
+ __FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK2(NAME, RTX, C1, C2) __extension__ \
({ rtx const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2) \
rtl_check_failed_flag (NAME,_rtx, __FILE__, __LINE__, \
- __FUNCTION__); \
+ __FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK3(NAME, RTX, C1, C2, C3) __extension__ \
({ rtx const _rtx = (RTX); \
- if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
+ if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
- __FUNCTION__); \
+ __FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK4(NAME, RTX, C1, C2, C3, C4) __extension__ \
({ rtx const _rtx = (RTX); \
- if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
+ 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__, \
- __FUNCTION__); \
+ __FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK5(NAME, RTX, C1, C2, C3, C4, C5) __extension__ \
({ rtx const _rtx = (RTX); \
- if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
+ if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \
&& GET_CODE(_rtx) != C5) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
- __FUNCTION__); \
+ __FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK6(NAME, RTX, C1, C2, C3, C4, C5, C6) \
__extension__ \
({ rtx const _rtx = (RTX); \
- if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
+ 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) \
rtl_check_failed_flag (NAME,_rtx, __FILE__, __LINE__, \
- __FUNCTION__); \
+ __FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK7(NAME, RTX, C1, C2, C3, C4, C5, C6, C7) \
__extension__ \
({ rtx const _rtx = (RTX); \
- if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
+ 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 \
&& GET_CODE(_rtx) != C7) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
- __FUNCTION__); \
+ __FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK8(NAME, RTX, C1, C2, C3, C4, C5, C6, C7, C8) \
__extension__ \
({ rtx const _rtx = (RTX); \
- if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
+ 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 \
&& GET_CODE(_rtx) != C7 && GET_CODE(_rtx) != C8) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
- __FUNCTION__); \
+ __FUNCTION__); \
_rtx; })
-extern void rtl_check_failed_flag PARAMS ((const char *, rtx, const char *,
- int, const char *))
+extern void rtl_check_failed_flag (const char *, rtx, const char *,
+ int, const char *)
ATTRIBUTE_NORETURN
;
#define RTL_FLAG_CHECK2(NAME, RTX, C1, C2) (RTX)
#define RTL_FLAG_CHECK3(NAME, RTX, C1, C2, C3) (RTX)
#define RTL_FLAG_CHECK4(NAME, RTX, C1, C2, C3, C4) (RTX)
-#define RTL_FLAG_CHECK5(NAME, RTX, C1, C2, C3, C4, C5) (RTX)
+#define RTL_FLAG_CHECK5(NAME, RTX, C1, C2, C3, C4, C5) (RTX)
#define RTL_FLAG_CHECK6(NAME, RTX, C1, C2, C3, C4, C5, C6) (RTX)
#define RTL_FLAG_CHECK7(NAME, RTX, C1, C2, C3, C4, C5, C6, C7) (RTX)
#define RTL_FLAG_CHECK8(NAME, RTX, C1, C2, C3, C4, C5, C6, C7, C8) (RTX)
_rtx->volatil = 0; \
} while (0)
-#define XWINT(RTX, N) (RTL_CHECK1 (RTX, N, 'w').rtwint)
#define XINT(RTX, N) (RTL_CHECK2 (RTX, N, 'i', 'n').rtint)
#define XSTR(RTX, N) (RTL_CHECK2 (RTX, N, 's', 'S').rtstr)
#define XEXP(RTX, N) (RTL_CHECK2 (RTX, N, 'e', 'u').rtx)
#define XVECEXP(RTX, N, M) RTVEC_ELT (XVEC (RTX, N), M)
#define XVECLEN(RTX, N) GET_NUM_ELEM (XVEC (RTX, N))
-/* These are like XWINT, etc. except that they expect a '0' field instead
+/* These are like XINT, etc. except that they expect a '0' field instead
of the normal type code. */
-#define X0WINT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtwint)
#define X0INT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtint)
#define X0UINT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtuint)
#define X0STR(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtstr)
#define X0BBDEF(RTX, N) (RTL_CHECK1 (RTX, N, '0').bb)
#define X0ADVFLAGS(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_addr_diff_vec_flags)
#define X0CSELIB(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_cselib)
-#define X0MEMATTR(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtmem)
+#define X0MEMATTR(RTX, N) (RTL_CHECKC1 (RTX, N, MEM).rtmem)
+#define X0REGATTR(RTX, N) (RTL_CHECKC1 (RTX, N, REG).rtreg)
+
+/* Access a '0' field with any type. */
+#define X0ANY(RTX, N) RTL_CHECK1 (RTX, N, '0')
-#define XCWINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtwint)
#define XCINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtint)
#define XCUINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtuint)
#define XCSTR(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtstr)
#define NEXT_INSN(INSN) XEXP (INSN, 2)
#define BLOCK_FOR_INSN(INSN) XBBDEF (INSN, 3)
-#define INSN_SCOPE(INSN) XTREE (INSN, 4)
+#define INSN_LOCATOR(INSN) XINT (INSN, 4)
/* The body of an insn. */
#define PATTERN(INSN) XEXP (INSN, 5)
/* 1 if RTX is an insn that is dead code. Valid only for dead-code
elimination phase. */
#define INSN_DEAD_CODE_P(RTX) \
- (RTL_FLAG_CHECK1("INSN_DEAD_CODE_P", (RTX), INSN)->in_struct)
+ (RTL_FLAG_CHECK3("INSN_DEAD_CODE_P", (RTX), INSN, CALL_INSN, JUMP_INSN)->in_struct)
/* 1 if RTX is an insn in a delay slot and is from the target of the branch.
If the branch insn has INSN_ANNULLED_BRANCH_P set, this insn should only be
but it can be used for cse. */
REG_EQUAL,
- /* The register set in this insn held 0 before the insn. The contents of
- the note is the insn that stored the 0. If that insn is deleted or
- patched to a NOTE, the REG_WAS_0 is inoperative. The REG_WAS_0 note
- is actually an INSN_LIST, not an EXPR_LIST. */
- REG_WAS_0,
-
/* This insn copies the return-value of a library call out of the hard reg
for return values. This note is actually an INSN_LIST and it points to
the first insn involved in setting up arguments for the call. flow.c
REG_CC_SETTER, REG_CC_USER,
/* Points to a CODE_LABEL. Used by non-JUMP_INSNs to say that the
- CODE_LABEL contained in the REG_LABEL note is used by the insn.
+ CODE_LABEL contained in the REG_LABEL note is used by the insn.
This note is an INSN_LIST. */
REG_LABEL,
return. */
REG_BR_PROB,
- /* REG_EXEC_COUNT is attached to the first insn of each basic block, and
- the first insn after each CALL_INSN. It indicates how many times this
- block was executed. */
- REG_EXEC_COUNT,
+ /* REG_VALUE_PROFILE is attached when the profile is read in to an insn
+ before that the code to profile the value is inserted. It contains
+ the results of profiling. */
+ REG_VALUE_PROFILE,
/* Attached to a call insn; indicates that the call is malloc-like and
that the pointer returned cannot alias anything else. */
/* Indicates that this insn (which is part of the prologue) computes
a value which might not be used later, and if so it's OK to delete
- the insn. Normally, deleting any insn in the prologue is an error.
+ the insn. Normally, deleting any insn in the prologue is an error.
At present the parameter is unused and set to (const_int 0). */
REG_MAYBE_DEAD,
/* Indicates that a call does not return. */
REG_NORETURN,
- /* Indicates that an indirect jump is a non-local goto instead of a
+ /* Indicates that an indirect jump is a non-local goto instead of a
computed goto. */
REG_NON_LOCAL_GOTO,
between ints and pointers if we use a different macro for the block number.)
*/
-#define NOTE_SOURCE_FILE(INSN) XCSTR (INSN, 4, NOTE)
+/* Opaque data. */
+#define NOTE_DATA(INSN) RTL_CHECKC1 (INSN, 4, NOTE)
+#define NOTE_SOURCE_FILE(INSN) XCSTR (INSN, 4, NOTE)
#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_PREDICTION(INSN) XCINT (INSN, 4, NOTE)
+#define NOTE_PRECONDITIONED(INSN) XCINT (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)
/* Nonzero if INSN is a note marking the beginning of a basic block. */
-#define NOTE_INSN_BASIC_BLOCK_P(INSN) \
+#define NOTE_INSN_BASIC_BLOCK_P(INSN) \
(GET_CODE (INSN) == NOTE \
&& NOTE_LINE_NUMBER (INSN) == NOTE_INSN_BASIC_BLOCK)
their homes, etc. */
NOTE_INSN_FUNCTION_BEG,
- /* These note where exception handling regions begin and end.
+ /* These note where exception handling regions begin and end.
Uses NOTE_EH_HANDLER to identify the region in question. */
NOTE_INSN_EH_REGION_BEG,
NOTE_INSN_EH_REGION_END,
NOTE_EXPECTED_VALUE; stored as (eq (reg) (const_int)). */
NOTE_INSN_EXPECTED_VALUE,
- /* Record a prediction. Uses NOTE_PREDICTION. */
+ /* Record a prediction. Uses NOTE_PREDICTION. */
NOTE_INSN_PREDICTION,
NOTE_INSN_MAX
of LABEL_REFs that point at it, so unused labels can be deleted. */
#define LABEL_NUSES(RTX) XCINT (RTX, 4, CODE_LABEL)
-/* Associate a name with a CODE_LABEL. */
-#define LABEL_ALTERNATE_NAME(RTX) XCSTR (RTX, 8, CODE_LABEL)
+/* Labels carry a two-bit field composed of the ->jump and ->call
+ bits. This field indicates whether the label is an alternate
+ entry point, and if so, what kind. */
+enum label_kind
+{
+ LABEL_NORMAL = 0, /* ordinary label */
+ LABEL_STATIC_ENTRY, /* alternate entry point, not exported */
+ LABEL_GLOBAL_ENTRY, /* alternate entry point, exported */
+ LABEL_WEAK_ENTRY /* alternate entry point, exported as weak symbol */
+};
+
+#if defined ENABLE_RTL_FLAG_CHECKING && (GCC_VERSION > 2007)
+
+/* Retrieve the kind of LABEL. */
+#define LABEL_KIND(LABEL) __extension__ \
+({ rtx const _label = (LABEL); \
+ if (GET_CODE (_label) != CODE_LABEL) \
+ rtl_check_failed_flag ("LABEL_KIND", _label, __FILE__, __LINE__, \
+ __FUNCTION__); \
+ (enum label_kind) ((_label->jump << 1) | _label->call); })
+
+/* Set the kind of LABEL. */
+#define SET_LABEL_KIND(LABEL, KIND) do { \
+ rtx _label = (LABEL); \
+ unsigned int _kind = (KIND); \
+ if (GET_CODE (_label) != CODE_LABEL) \
+ rtl_check_failed_flag ("SET_LABEL_KIND", _label, __FILE__, __LINE__, \
+ __FUNCTION__); \
+ _label->jump = ((_kind >> 1) & 1); \
+ _label->call = (_kind & 1); \
+} while (0)
+
+#else
+
+/* Retrieve the kind of LABEL. */
+#define LABEL_KIND(LABEL) \
+ ((enum label_kind) (((LABEL)->jump << 1) | (LABEL)->call))
+
+/* Set the kind of LABEL. */
+#define SET_LABEL_KIND(LABEL, KIND) do { \
+ rtx _label = (LABEL); \
+ unsigned int _kind = (KIND); \
+ _label->jump = ((_kind >> 1) & 1); \
+ _label->call = (_kind & 1); \
+} while (0)
+
+#endif /* rtl flag checking */
+
+#define LABEL_ALT_ENTRY_P(LABEL) (LABEL_KIND (LABEL) != LABEL_NORMAL)
/* The original regno this ADDRESSOF was built for. */
#define ADDRESSOF_REGNO(RTX) XCUINT (RTX, 1, ADDRESSOF)
#define REGNO(RTX) XCUINT (RTX, 0, REG)
#define ORIGINAL_REGNO(RTX) X0UINT (RTX, 1)
-/* 1 if RTX is a reg that is the current function's return value. */
+/* 1 if RTX is a reg or parallel that is the current function's return
+ value. */
#define REG_FUNCTION_VALUE_P(RTX) \
- (RTL_FLAG_CHECK1("REG_FUNCTION_VALUE_P", (RTX), REG)->integrated)
+ (RTL_FLAG_CHECK2("REG_FUNCTION_VALUE_P", (RTX), REG, PARALLEL)->integrated)
/* 1 if RTX is a reg that corresponds to a variable declared by the user. */
#define REG_USERVAR_P(RTX) \
#define INTVAL(RTX) XCWINT(RTX, 0, CONST_INT)
/* For a CONST_DOUBLE:
- The usual two ints that hold the value.
- For a DImode, that is all there are;
- and CONST_DOUBLE_LOW is the low-order word and ..._HIGH the high-order.
- For a float, the number of ints varies,
- and CONST_DOUBLE_LOW is the one that should come first *in memory*.
- So use &CONST_DOUBLE_LOW(r) as the address of an array of ints. */
+ For a DImode, there are two integers CONST_DOUBLE_LOW is the
+ low-order word and ..._HIGH the high-order.
+ For a float, there is a REAL_VALUE_TYPE structure, and
+ CONST_DOUBLE_REAL_VALUE(r) is a pointer to it. */
#define CONST_DOUBLE_LOW(r) XCWINT (r, 0, CONST_DOUBLE)
#define CONST_DOUBLE_HIGH(r) XCWINT (r, 1, CONST_DOUBLE)
+#define CONST_DOUBLE_REAL_VALUE(r) ((struct real_value *)&CONST_DOUBLE_LOW(r))
/* For a CONST_VECTOR, return element #n. */
#define CONST_VECTOR_ELT(RTX, N) XCVECEXP (RTX, 0, N, CONST_VECTOR)
#define SUBREG_BYTE(RTX) XCUINT (RTX, 1, SUBREG)
/* in rtlanal.c */
-extern unsigned int subreg_lsb PARAMS ((rtx));
-extern unsigned int subreg_regno_offset PARAMS ((unsigned int,
- enum machine_mode,
- unsigned int,
- enum machine_mode));
-extern unsigned int subreg_regno PARAMS ((rtx));
+extern unsigned int subreg_lsb (rtx);
+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);
/* 1 if RTX is a subreg containing a reg that is already known to be
sign- or zero-extended from the mode of the subreg to the mode of
#define MEM_SCALAR_P(RTX) \
(RTL_FLAG_CHECK1("MEM_SCALAR_P", (RTX), MEM)->frame_related)
-/* If VAL is non-zero, set MEM_IN_STRUCT_P and clear MEM_SCALAR_P in
+/* 1 if RTX is a mem that cannot trap. */
+#define MEM_NOTRAP_P(RTX) \
+ (RTL_FLAG_CHECK1("MEM_NOTRAP_P", (RTX), MEM)->call)
+
+/* If VAL is nonzero, set MEM_IN_STRUCT_P and clear MEM_SCALAR_P in
RTX. Otherwise, vice versa. Use this macro only when you are
*sure* that you know that the MEM is in a structure, or is a
scalar. VAL is evaluated only once. */
in the block and provide defaults if none specified. */
#define MEM_ATTRS(RTX) X0MEMATTR (RTX, 1)
+/* The register attribute block. We provide access macros for each value
+ in the block and provide defaults if none specified. */
+#define REG_ATTRS(RTX) X0REGATTR (RTX, 2)
+
/* For a MEM rtx, the alias set. If 0, this MEM is not in any alias
set, and may alias anything. Otherwise, the MEM can only alias
- MEMs in the same alias set. This value is set in a
+ MEMs in a conflicting alias set. This value is set in a
language-dependent manner in the front-end, and should not be
- altered in the back-end. These set numbers are tested for zero,
- and compared for equality; they have no other significance. In
- some front-ends, these numbers may correspond in some way to types,
- or other language-level entities, but they need not, and the
- back-end makes no such assumptions. */
+ altered in the back-end. These set numbers are tested with
+ alias_sets_conflict_p. */
#define MEM_ALIAS_SET(RTX) (MEM_ATTRS (RTX) == 0 ? 0 : MEM_ATTRS (RTX)->alias)
/* For a MEM rtx, the decl it is known to refer to, if it is known to
: (STRICT_ALIGNMENT && GET_MODE (RTX) != BLKmode \
? GET_MODE_ALIGNMENT (GET_MODE (RTX)) : BITS_PER_UNIT))
+/* For a REG rtx, the decl it is known to refer to, if it is known to
+ refer to part of a DECL. */
+#define REG_EXPR(RTX) (REG_ATTRS (RTX) == 0 ? 0 : REG_ATTRS (RTX)->decl)
+
+/* For a MEM rtx, the offset from the start of MEM_DECL, if known, as a
+ RTX that is always a CONST_INT. */
+#define REG_OFFSET(RTX) (REG_ATTRS (RTX) == 0 ? 0 : REG_ATTRS (RTX)->offset)
+
/* Copy the attributes that apply to memory locations from RHS to LHS. */
#define MEM_COPY_ATTRIBUTES(LHS, RHS) \
(MEM_VOLATILE_P (LHS) = MEM_VOLATILE_P (RHS), \
MEM_IN_STRUCT_P (LHS) = MEM_IN_STRUCT_P (RHS), \
MEM_SCALAR_P (LHS) = MEM_SCALAR_P (RHS), \
+ MEM_NOTRAP_P (LHS) = MEM_NOTRAP_P (RHS), \
RTX_UNCHANGING_P (LHS) = RTX_UNCHANGING_P (RHS), \
MEM_KEEP_ALIAS_SET_P (LHS) = MEM_KEEP_ALIAS_SET_P (RHS), \
MEM_ATTRS (LHS) = MEM_ATTRS (RHS))
/* During sched, 1 if RTX is an insn that must be scheduled together
with the preceding insn. */
#define SCHED_GROUP_P(RTX) \
- (RTL_FLAG_CHECK6("SCHED_GROUP_P", (RTX), INSN, JUMP_INSN, CALL_INSN, \
- CODE_LABEL, BARRIER, NOTE)->in_struct)
+ (RTL_FLAG_CHECK3("SCHED_GROUP_P", (RTX), INSN, JUMP_INSN, CALL_INSN \
+ )->in_struct)
/* For a SET rtx, SET_DEST is the place that is set
and SET_SRC is the value it is set to. */
#define COND_EXEC_TEST(RTX) XCEXP (RTX, 0, COND_EXEC)
#define COND_EXEC_CODE(RTX) XCEXP (RTX, 1, COND_EXEC)
-/* 1 if RTX is a symbol_ref that addresses this function's constants pool. */
+/* 1 if RTX is a symbol_ref that addresses this function's rtl
+ constants pool. */
#define CONSTANT_POOL_ADDRESS_P(RTX) \
(RTL_FLAG_CHECK1("CONSTANT_POOL_ADDRESS_P", (RTX), SYMBOL_REF)->unchanging)
-/* 1 if RTX is a symbol_ref that addresses this function's string constant
- pool */
-#define STRING_POOL_ADDRESS_P(RTX) \
- (RTL_FLAG_CHECK1("STRING_POOL_ADDRESS_P", (RTX), SYMBOL_REF)->frame_related)
+/* 1 if RTX is a symbol_ref that addresses a value in the file's
+ tree constant pool. This information is private to varasm.c. */
+#define TREE_CONSTANT_POOL_ADDRESS_P(RTX) \
+ (RTL_FLAG_CHECK1("TREE_CONSTANT_POOL_ADDRESS_P", \
+ (RTX), SYMBOL_REF)->frame_related)
/* Used if RTX is a symbol_ref, for machine-specific purposes. */
#define SYMBOL_REF_FLAG(RTX) \
#define SYMBOL_REF_WEAK(RTX) \
(RTL_FLAG_CHECK1("SYMBOL_REF_WEAK", (RTX), SYMBOL_REF)->integrated)
+/* The tree (decl or constant) associated with the symbol, or null. */
+#define SYMBOL_REF_DECL(RTX) X0TREE ((RTX), 2)
+
+/* A set of flags on a symbol_ref that are, in some respects, redundant with
+ information derivable from the tree decl associated with this symbol.
+ Except that we build a *lot* of SYMBOL_REFs that aren't associated with a
+ decl. In some cases this is a bug. But beyond that, it's nice to cache
+ this information to avoid recomputing it. Finally, this allows space for
+ the target to store more than one bit of information, as with
+ SYMBOL_REF_FLAG. */
+#define SYMBOL_REF_FLAGS(RTX) X0INT ((RTX), 1)
+
+/* These flags are common enough to be defined for all targets. They
+ are computed by the default version of targetm.encode_section_info. */
+
+/* Set if this symbol is a function. */
+#define SYMBOL_FLAG_FUNCTION (1 << 0)
+#define SYMBOL_REF_FUNCTION_P(RTX) \
+ ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_FUNCTION) != 0)
+/* Set if targetm.binds_local_p is true. */
+#define SYMBOL_FLAG_LOCAL (1 << 1)
+#define SYMBOL_REF_LOCAL_P(RTX) \
+ ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_LOCAL) != 0)
+/* Set if targetm.in_small_data_p is true. */
+#define SYMBOL_FLAG_SMALL (1 << 2)
+#define SYMBOL_REF_SMALL_P(RTX) \
+ ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_SMALL) != 0)
+/* The three-bit field at [5:3] is true for TLS variables; use
+ SYMBOL_REF_TLS_MODEL to extract the field as an enum tls_model. */
+#define SYMBOL_FLAG_TLS_SHIFT 3
+#define SYMBOL_REF_TLS_MODEL(RTX) \
+ ((enum tls_model) ((SYMBOL_REF_FLAGS (RTX) >> SYMBOL_FLAG_TLS_SHIFT) & 7))
+/* Set if this symbol is not defined in this translation unit. */
+#define SYMBOL_FLAG_EXTERNAL (1 << 6)
+#define SYMBOL_REF_EXTERNAL_P(RTX) \
+ ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_EXTERNAL) != 0)
+
+/* Subsequent bits are available for the target to use. */
+#define SYMBOL_FLAG_MACH_DEP_SHIFT 7
+#define SYMBOL_FLAG_MACH_DEP (1 << SYMBOL_FLAG_MACH_DEP_SHIFT)
+
/* Define a macro to look for REG_INC notes,
but save time on machines where they never exist. */
-/* Don't continue this line--convex cc version 4.1 would lose. */
#if (defined (HAVE_PRE_INCREMENT) || defined (HAVE_PRE_DECREMENT) || defined (HAVE_POST_INCREMENT) || defined (HAVE_POST_DECREMENT))
#define FIND_REG_INC_NOTE(INSN, REG) \
((REG) != NULL_RTX && REG_P ((REG)) \
/* Indicate whether the machine has any sort of auto increment addressing.
If not, we can avoid checking for REG_INC notes. */
-/* Don't continue this line--convex cc version 4.1 would lose. */
#if (defined (HAVE_PRE_INCREMENT) || defined (HAVE_PRE_DECREMENT) || defined (HAVE_POST_INCREMENT) || defined (HAVE_POST_DECREMENT))
#define AUTO_INC_DEC
#endif
/* Generally useful functions. */
/* In expmed.c */
-extern int ceil_log2 PARAMS ((unsigned HOST_WIDE_INT));
+extern int ceil_log2 (unsigned HOST_WIDE_INT);
#define plus_constant(X, C) plus_constant_wide ((X), (HOST_WIDE_INT) (C))
/* In builtins.c */
-extern rtx expand_builtin_expect_jump PARAMS ((tree, rtx, rtx));
+extern rtx expand_builtin_expect_jump (tree, rtx, rtx);
+extern void purge_builtin_constant_p (void);
/* In explow.c */
-extern void set_stack_check_libfunc PARAMS ((rtx));
-extern HOST_WIDE_INT trunc_int_for_mode PARAMS ((HOST_WIDE_INT,
- enum machine_mode));
-extern rtx plus_constant_wide PARAMS ((rtx, HOST_WIDE_INT));
-extern rtx plus_constant_for_output_wide PARAMS ((rtx, HOST_WIDE_INT));
-extern void optimize_save_area_alloca PARAMS ((rtx));
+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_wide (rtx, HOST_WIDE_INT);
+extern rtx plus_constant_for_output_wide (rtx, HOST_WIDE_INT);
+extern void optimize_save_area_alloca (rtx);
/* In emit-rtl.c */
-extern rtx gen_rtx PARAMS ((enum rtx_code,
- enum machine_mode, ...));
-extern rtvec gen_rtvec PARAMS ((int, ...));
-extern rtx copy_insn_1 PARAMS ((rtx));
-extern rtx copy_insn PARAMS ((rtx));
-extern rtx gen_int_mode PARAMS ((HOST_WIDE_INT,
- enum machine_mode));
-extern rtx emit_copy_of_insn_after PARAMS ((rtx, rtx));
+extern rtx gen_rtx (enum rtx_code, enum machine_mode, ...);
+extern rtvec gen_rtvec (int, ...);
+extern rtx copy_insn_1 (rtx);
+extern rtx copy_insn (rtx);
+extern rtx gen_int_mode (HOST_WIDE_INT, enum machine_mode);
+extern rtx emit_copy_of_insn_after (rtx, 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);
/* In rtl.c */
-extern rtx rtx_alloc PARAMS ((RTX_CODE));
-extern rtvec rtvec_alloc PARAMS ((int));
-extern rtx copy_rtx PARAMS ((rtx));
+extern rtx rtx_alloc (RTX_CODE);
+extern rtvec rtvec_alloc (int);
+extern rtx copy_rtx (rtx);
+extern void dump_rtx_statistics (void);
/* In emit-rtl.c */
-extern rtx copy_rtx_if_shared PARAMS ((rtx));
+extern rtx copy_rtx_if_shared (rtx);
/* In rtl.c */
-extern rtx copy_most_rtx PARAMS ((rtx, rtx));
-extern rtx shallow_copy_rtx PARAMS ((rtx));
-extern int rtx_equal_p PARAMS ((rtx, rtx));
+extern rtx copy_most_rtx (rtx, rtx);
+extern rtx shallow_copy_rtx (rtx);
+extern int rtx_equal_p (rtx, 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));
+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_label_rtx (void);
+extern int subreg_hard_regno (rtx, int);
+extern rtx gen_lowpart_common (enum machine_mode, rtx);
+extern rtx gen_lowpart (enum machine_mode, rtx);
/* In cse.c */
-extern rtx gen_lowpart_if_possible PARAMS ((enum machine_mode, rtx));
+extern rtx gen_lowpart_if_possible (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));
+extern rtx gen_highpart (enum machine_mode, rtx);
+extern rtx gen_highpart_mode (enum machine_mode, enum machine_mode, rtx);
+extern rtx gen_realpart (enum machine_mode, rtx);
+extern rtx gen_imagpart (enum machine_mode, rtx);
+extern rtx operand_subword (rtx, unsigned int, int, enum machine_mode);
+extern rtx constant_subword (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 get_insns PARAMS ((void));
-extern const char *get_insn_name PARAMS ((int));
-extern rtx get_last_insn PARAMS ((void));
-extern rtx get_last_insn_anywhere PARAMS ((void));
-extern void start_sequence PARAMS ((void));
-extern void push_to_sequence PARAMS ((rtx));
-extern void end_sequence PARAMS ((void));
-extern void push_to_full_sequence PARAMS ((rtx, rtx));
-extern void end_full_sequence PARAMS ((rtx*, rtx*));
-extern rtx gen_sequence PARAMS ((void));
+extern rtx operand_subword_force (rtx, unsigned int, enum machine_mode);
+extern int subreg_lowpart_p (rtx);
+extern unsigned int subreg_lowpart_offset (enum machine_mode,
+ enum machine_mode);
+extern unsigned int subreg_highpart_offset (enum machine_mode,
+ enum machine_mode);
+extern rtx make_safe_from (rtx, rtx);
+extern rtx convert_memory_address (enum machine_mode, rtx);
+extern rtx get_insns (void);
+extern const char *get_insn_name (int);
+extern rtx get_last_insn (void);
+extern rtx get_last_insn_anywhere (void);
+extern rtx get_first_nonnote_insn (void);
+extern rtx get_last_nonnote_insn (void);
+extern void start_sequence (void);
+extern void push_to_sequence (rtx);
+extern void end_sequence (void);
+extern void push_to_full_sequence (rtx, rtx);
+extern void end_full_sequence (rtx*, rtx*);
/* In varasm.c */
-extern rtx immed_double_const PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT, enum machine_mode));
-extern rtx mem_for_const_double PARAMS ((rtx));
-extern rtx force_const_mem PARAMS ((enum machine_mode, rtx));
+extern rtx immed_double_const (HOST_WIDE_INT, HOST_WIDE_INT,
+ enum machine_mode);
+extern rtx force_const_mem (enum machine_mode, rtx);
/* In varasm.c */
-extern rtx get_pool_constant PARAMS ((rtx));
-extern rtx get_pool_constant_mark PARAMS ((rtx, bool *));
-extern enum machine_mode get_pool_mode PARAMS ((rtx));
-extern rtx get_pool_constant_for_function PARAMS ((struct function *, rtx));
-extern enum machine_mode get_pool_mode_for_function PARAMS ((struct function *, rtx));
-extern int get_pool_offset PARAMS ((rtx));
-extern rtx simplify_subtraction PARAMS ((rtx));
+extern rtx get_pool_constant (rtx);
+extern rtx get_pool_constant_mark (rtx, bool *);
+extern enum machine_mode get_pool_mode (rtx);
+extern rtx get_pool_constant_for_function (struct function *, rtx);
+extern enum machine_mode get_pool_mode_for_function (struct function *, rtx);
+extern int get_pool_offset (rtx);
+extern rtx simplify_subtraction (rtx);
/* In function.c */
-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));
-extern rtx assign_stack_temp_for_type PARAMS ((enum machine_mode,
- HOST_WIDE_INT, int, tree));
-extern rtx assign_temp PARAMS ((tree, int, int, int));
+extern rtx assign_stack_local (enum machine_mode, HOST_WIDE_INT, int);
+extern rtx assign_stack_temp (enum machine_mode, HOST_WIDE_INT, int);
+extern rtx assign_stack_temp_for_type (enum machine_mode,
+ HOST_WIDE_INT, int, tree);
+extern rtx assign_temp (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 rtx emit_call_insn_before PARAMS ((rtx, rtx));
-extern rtx emit_barrier_before PARAMS ((rtx));
-extern rtx emit_label_before PARAMS ((rtx, rtx));
-extern rtx emit_note_before PARAMS ((int, rtx));
-extern rtx emit_insn_after PARAMS ((rtx, rtx));
-extern rtx emit_jump_insn_after PARAMS ((rtx, rtx));
-extern rtx emit_call_insn_after PARAMS ((rtx, rtx));
-extern rtx emit_barrier_after PARAMS ((rtx));
-extern rtx emit_label_after PARAMS ((rtx, rtx));
-extern rtx emit_note_after PARAMS ((int, rtx));
-extern rtx emit_line_note_after PARAMS ((const char *, int, rtx));
-extern rtx emit_insn PARAMS ((rtx));
-extern rtx emit_insns PARAMS ((rtx));
-extern rtx emit_insns_before PARAMS ((rtx, rtx));
-extern rtx emit_insns_after PARAMS ((rtx, rtx));
-extern rtx emit_jump_insn PARAMS ((rtx));
-extern rtx emit_call_insn PARAMS ((rtx));
-extern rtx emit_label PARAMS ((rtx));
-extern rtx emit_barrier PARAMS ((void));
-extern rtx emit_line_note PARAMS ((const char *, int));
-extern rtx emit_note PARAMS ((const char *, int));
-extern rtx emit_line_note_force PARAMS ((const char *, int));
-extern rtx make_insn_raw PARAMS ((rtx));
-extern rtx previous_insn PARAMS ((rtx));
-extern rtx next_insn PARAMS ((rtx));
-extern rtx prev_nonnote_insn PARAMS ((rtx));
-extern rtx next_nonnote_insn PARAMS ((rtx));
-extern rtx prev_real_insn PARAMS ((rtx));
-extern rtx next_real_insn PARAMS ((rtx));
-extern rtx prev_active_insn PARAMS ((rtx));
-extern rtx next_active_insn PARAMS ((rtx));
-extern int active_insn_p PARAMS ((rtx));
-extern rtx prev_label PARAMS ((rtx));
-extern rtx next_label PARAMS ((rtx));
-extern rtx next_cc0_user PARAMS ((rtx));
-extern rtx prev_cc0_setter PARAMS ((rtx));
+extern rtx emit_insn_before (rtx, rtx);
+extern rtx emit_insn_before_setloc (rtx, rtx, int);
+extern rtx emit_jump_insn_before (rtx, rtx);
+extern rtx emit_jump_insn_before_setloc (rtx, rtx, int);
+extern rtx emit_call_insn_before (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_insn_after (rtx, rtx);
+extern rtx emit_insn_after_setloc (rtx, rtx, int);
+extern rtx emit_jump_insn_after (rtx, rtx);
+extern rtx emit_jump_insn_after_setloc (rtx, rtx, int);
+extern rtx emit_call_insn_after (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_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_copy (rtx);
+extern rtx emit_line_note (location_t);
+extern rtx make_insn_raw (rtx);
+extern void add_function_usage_to (rtx, rtx);
+extern rtx last_call_insn (void);
+extern rtx previous_insn (rtx);
+extern rtx next_insn (rtx);
+extern rtx prev_nonnote_insn (rtx);
+extern rtx next_nonnote_insn (rtx);
+extern rtx prev_real_insn (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 rtx prev_label (rtx);
+extern rtx next_label (rtx);
+extern rtx next_cc0_user (rtx);
+extern rtx prev_cc0_setter (rtx);
+
+/* In cfglayout.c */
+extern tree choose_inner_scope (tree, tree);
+extern int insn_line (rtx);
+extern const char * insn_file (rtx);
+extern int locator_line (int);
+extern const char * locator_file (int);
+extern int prologue_locator, epilogue_locator;
/* In jump.c */
-extern rtx next_nondeleted_insn PARAMS ((rtx));
-extern enum rtx_code reverse_condition PARAMS ((enum rtx_code));
-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 void mark_jump_label PARAMS ((rtx, rtx, int));
-extern void cleanup_barriers PARAMS ((void));
+extern enum rtx_code reverse_condition (enum rtx_code);
+extern enum rtx_code reverse_condition_maybe_unordered (enum rtx_code);
+extern enum rtx_code swap_condition (enum rtx_code);
+extern enum rtx_code unsigned_condition (enum rtx_code);
+extern enum rtx_code signed_condition (enum rtx_code);
+extern void mark_jump_label (rtx, rtx, int);
+extern void cleanup_barriers (void);
/* In jump.c */
-extern bool squeeze_notes PARAMS ((rtx *, rtx *));
-extern rtx delete_related_insns PARAMS ((rtx));
-extern void delete_jump PARAMS ((rtx));
-extern void delete_barrier PARAMS ((rtx));
-extern rtx get_label_before PARAMS ((rtx));
-extern rtx get_label_after PARAMS ((rtx));
-extern rtx follow_jumps PARAMS ((rtx));
+extern bool squeeze_notes (rtx *, rtx *);
+extern rtx delete_related_insns (rtx);
+extern void delete_jump (rtx);
+extern void delete_barrier (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 PARAMS ((rtx *));
+extern rtx *find_constant_term_loc (rtx *);
/* In emit-rtl.c */
-extern rtx try_split PARAMS ((rtx, rtx, int));
+extern rtx try_split (rtx, rtx, int);
extern int split_branch_probability;
/* In unknown file */
-extern rtx split_insns PARAMS ((rtx, rtx));
+extern rtx split_insns (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_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));
-extern rtx avoid_constant_pool_reference PARAMS ((rtx));
+extern rtx simplify_unary_operation (enum rtx_code, enum machine_mode, rtx,
+ enum machine_mode);
+extern rtx simplify_binary_operation (enum rtx_code, enum machine_mode, rtx,
+ rtx);
+extern rtx simplify_ternary_operation (enum rtx_code, enum machine_mode,
+ enum machine_mode, rtx, rtx, rtx);
+extern rtx simplify_relational_operation (enum rtx_code, enum machine_mode,
+ rtx, rtx);
+extern rtx simplify_gen_binary (enum rtx_code, enum machine_mode, rtx, rtx);
+extern rtx simplify_gen_unary (enum rtx_code, enum machine_mode, rtx,
+ enum machine_mode);
+extern rtx simplify_gen_ternary (enum rtx_code, enum machine_mode,
+ enum machine_mode, rtx, rtx, rtx);
+extern rtx simplify_gen_relational (enum rtx_code, enum machine_mode,
+ enum machine_mode, rtx, rtx);
+extern rtx simplify_subreg (enum machine_mode, rtx, enum machine_mode,
+ 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_rtx (rtx);
+extern rtx avoid_constant_pool_reference (rtx);
/* In function.c */
-extern rtx gen_mem_addressof PARAMS ((rtx, tree));
+extern rtx gen_mem_addressof (rtx, tree, int);
/* In regclass.c */
-extern enum machine_mode choose_hard_reg_mode PARAMS ((unsigned int,
- unsigned int));
+extern enum machine_mode choose_hard_reg_mode (unsigned int, unsigned int,
+ bool);
/* In emit-rtl.c */
-extern rtx set_unique_reg_note PARAMS ((rtx, enum reg_note, rtx));
+extern rtx set_unique_reg_note (rtx, enum reg_note, rtx);
/* Functions in rtlanal.c */
: NULL_RTX)
#define single_set_1(I) single_set_2 (I, PATTERN (I))
-extern int rtx_addr_can_trap_p PARAMS ((rtx));
-extern int rtx_unstable_p PARAMS ((rtx));
-extern int rtx_varies_p PARAMS ((rtx, int));
-extern int rtx_addr_varies_p PARAMS ((rtx, int));
-extern HOST_WIDE_INT get_integer_term PARAMS ((rtx));
-extern rtx get_related_value PARAMS ((rtx));
-extern rtx get_jump_table_offset PARAMS ((rtx, rtx *));
-extern int global_reg_mentioned_p PARAMS ((rtx));
-extern int reg_mentioned_p PARAMS ((rtx, rtx));
-extern int count_occurrences PARAMS ((rtx, rtx, int));
-extern int reg_referenced_p PARAMS ((rtx, rtx));
-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 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_in_p PARAMS ((rtx, rtx));
-extern int insn_dependent_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 int reg_overlap_mentioned_p PARAMS ((rtx, rtx));
-extern rtx set_of PARAMS ((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 int pure_call_p PARAMS ((rtx));
-extern void remove_note PARAMS ((rtx, rtx));
-extern int side_effects_p PARAMS ((rtx));
-extern int volatile_refs_p PARAMS ((rtx));
-extern int volatile_insn_p PARAMS ((rtx));
-extern int may_trap_p PARAMS ((rtx));
-extern int inequality_comparisons_p PARAMS ((rtx));
-extern rtx replace_rtx PARAMS ((rtx, rtx, rtx));
-extern rtx replace_regs PARAMS ((rtx, rtx *, unsigned int,
- int));
-extern int computed_jump_p PARAMS ((rtx));
-typedef int (*rtx_function) PARAMS ((rtx *, void *));
-extern int for_each_rtx PARAMS ((rtx *, rtx_function, void *));
-extern rtx regno_use_in PARAMS ((unsigned int, rtx));
-extern int auto_inc_p PARAMS ((rtx));
-extern int in_expr_list_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));
-extern bool keep_with_call_p PARAMS ((rtx));
+/* Structure used for passing data to REPLACE_LABEL. */
+typedef struct replace_label_data
+{
+ rtx r1;
+ rtx r2;
+ 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 rtx get_jump_table_offset (rtx, rtx *);
+extern int global_reg_mentioned_p (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_referenced_between_p (rtx, rtx, rtx);
+extern int reg_set_between_p (rtx, rtx, rtx);
+extern int regs_set_between_p (rtx, rtx, rtx);
+extern int commutative_operand_precedence (rtx);
+extern int 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_jumps_between_p (rtx, rtx);
+extern int modified_in_p (rtx, rtx);
+extern int insn_dependent_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 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 void note_uses (rtx *, void (*) (rtx *, void *), void *);
+extern rtx reg_set_last (rtx, rtx);
+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 inequality_comparisons_p (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);
+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 insns_safe_to_move_p (rtx, rtx, rtx *);
+extern int loc_mentioned_in_p (rtx *, rtx);
+extern rtx find_first_parameter_load (rtx, rtx);
+extern bool keep_with_call_p (rtx);
/* flow.c */
-extern rtx find_use_as_address PARAMS ((rtx, rtx, HOST_WIDE_INT));
+extern rtx find_use_as_address (rtx, rtx, HOST_WIDE_INT);
/* lists.c */
-void free_EXPR_LIST_list PARAMS ((rtx *));
-void free_INSN_LIST_list PARAMS ((rtx *));
-void free_EXPR_LIST_node PARAMS ((rtx));
-void free_INSN_LIST_node PARAMS ((rtx));
-rtx alloc_INSN_LIST PARAMS ((rtx, rtx));
-rtx alloc_EXPR_LIST PARAMS ((int, rtx, rtx));
+void free_EXPR_LIST_list (rtx *);
+void free_INSN_LIST_list (rtx *);
+void free_EXPR_LIST_node (rtx);
+void free_INSN_LIST_node (rtx);
+rtx alloc_INSN_LIST (rtx, rtx);
+rtx alloc_EXPR_LIST (int, 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 togetherm
+ 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 PARAMS ((void));
+extern void free_reg_info (void);
/* recog.c */
-extern int asm_noperands PARAMS ((rtx));
-extern const char *decode_asm_operands PARAMS ((rtx, rtx *, rtx **,
- const char **,
- enum machine_mode *));
+extern int asm_noperands (rtx);
+extern const char *decode_asm_operands (rtx, rtx *, rtx **, const char **,
+ enum machine_mode *);
-extern enum reg_class reg_preferred_class PARAMS ((int));
-extern enum reg_class reg_alternate_class PARAMS ((int));
+extern enum reg_class reg_preferred_class (int);
+extern enum reg_class reg_alternate_class (int);
-extern rtx get_first_nonparm_insn PARAMS ((void));
+extern rtx get_first_nonparm_insn (void);
-extern void split_all_insns PARAMS ((int));
-extern void split_all_insns_noflow PARAMS ((void));
+extern void split_all_insns (int);
+extern void split_all_insns_noflow (void);
#define MAX_SAVED_CONST_INT 64
extern GTY(()) rtx const_int_rtx[MAX_SAVED_CONST_INT * 2 + 1];
#define arg_pointer_rtx (global_rtl[GR_ARG_POINTER])
extern GTY(()) rtx pic_offset_table_rtx;
-extern GTY(()) rtx struct_value_rtx;
-extern GTY(()) rtx struct_value_incoming_rtx;
extern GTY(()) rtx static_chain_rtx;
extern GTY(()) rtx static_chain_incoming_rtx;
extern GTY(()) rtx return_address_pointer_rtx;
add to this list, modify special_rtx in gengenrtl.c as well. You
should also modify gen_rtx to use the special function. */
-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, unsigned));
-extern rtx gen_rtx_SUBREG PARAMS ((enum machine_mode, rtx, int));
-extern rtx gen_rtx_MEM PARAMS ((enum machine_mode, rtx));
+extern rtx gen_rtx_CONST_INT (enum machine_mode, HOST_WIDE_INT);
+extern rtx gen_rtx_CONST_VECTOR (enum machine_mode, rtvec);
+extern rtx gen_raw_REG (enum machine_mode, int);
+extern rtx gen_rtx_REG (enum machine_mode, unsigned);
+extern rtx gen_rtx_SUBREG (enum machine_mode, rtx, int);
+extern rtx gen_rtx_MEM (enum machine_mode, rtx);
-extern rtx gen_lowpart_SUBREG PARAMS ((enum machine_mode, rtx));
+extern rtx gen_lowpart_SUBREG (enum machine_mode, rtx);
/* We need the cast here to ensure that we get the same result both with
and without prototypes. */
#define VIRTUAL_OUTGOING_ARGS_REGNUM ((FIRST_VIRTUAL_REGISTER) + 3)
/* This points to the Canonical Frame Address of the function. This
- should corrospond to the CFA produced by INCOMING_FRAME_SP_OFFSET,
+ should correspond to the CFA produced by INCOMING_FRAME_SP_OFFSET,
but is calculated relative to the arg pointer for simplicity; the
frame pointer nor stack pointer are necessarily fixed relative to
the CFA until after reload. */
#define LAST_VIRTUAL_REGISTER ((FIRST_VIRTUAL_REGISTER) + 4)
/* Nonzero if REGNUM is a pointer into the stack frame. */
-#define REGNO_PTR_FRAME_P(REGNUM) \
+#define REGNO_PTR_FRAME_P(REGNUM) \
((REGNUM) == STACK_POINTER_REGNUM \
|| (REGNUM) == FRAME_POINTER_REGNUM \
|| (REGNUM) == HARD_FRAME_POINTER_REGNUM \
/* REGNUM never really appearing in the INSN stream. */
#define INVALID_REGNUM (~(unsigned int) 0)
-extern rtx find_next_ref PARAMS ((rtx, rtx));
+extern rtx output_constant_def (tree, int);
+extern rtx lookup_constant_def (tree);
-extern rtx output_constant_def PARAMS ((tree, int));
-
-/* Define a default value for STORE_FLAG_VALUE. */
-
-#ifndef STORE_FLAG_VALUE
-#define STORE_FLAG_VALUE 1
-#endif
+/* Called from integrate.c when a deferred constant is inlined. */
+extern void notice_rtl_inlining_of_deferred_constant (void);
/* Nonzero after the second flow pass has completed.
Set to 1 or 0 by toplev.c */
extern int reload_completed;
+/* Nonzero after thread_prologue_and_epilogue_insns has run. */
+extern int epilogue_completed;
+
/* Set to 1 while reload_as_needed is operating.
Required by some machines to handle any generated moves differently. */
REAL_ARITHMETIC. The function returns an int because the caller may not
know what `enum tree_code' means. */
-extern int rtx_to_tree_code PARAMS ((enum rtx_code));
-
-/* In tree.c */
-struct obstack;
-extern void gcc_obstack_init PARAMS ((struct obstack *));
+extern int rtx_to_tree_code (enum rtx_code);
/* In cse.c */
struct cse_basic_block_data;
N times that of a fast register-to-register instruction. */
#define COSTS_N_INSNS(N) ((N) * 4)
-/* Maximum cost of a rtl expression. This value has the special meaning
+/* Maximum cost of an rtl expression. This value has the special meaning
not to use an rtx with this cost under any circumstances. */
#define MAX_COST INT_MAX
-extern int rtx_cost PARAMS ((rtx, enum rtx_code));
-extern int address_cost PARAMS ((rtx, enum machine_mode));
-extern int delete_trivially_dead_insns PARAMS ((rtx, int));
+extern int rtx_cost (rtx, enum rtx_code);
+extern int address_cost (rtx, enum machine_mode);
+extern int delete_trivially_dead_insns (rtx, int);
#ifdef BUFSIZ
-extern int cse_main PARAMS ((rtx, int, int, FILE *));
+extern int cse_main (rtx, int, int, FILE *);
#endif
-extern void cse_end_of_basic_block PARAMS ((rtx,
- struct cse_basic_block_data *,
- int, int, int));
+extern void cse_end_of_basic_block (rtx, struct cse_basic_block_data *,
+ int, int, int);
/* In jump.c */
-extern int comparison_dominates_p PARAMS ((enum rtx_code, enum rtx_code));
-extern int condjump_p PARAMS ((rtx));
-extern int any_condjump_p PARAMS ((rtx));
-extern int any_uncondjump_p PARAMS ((rtx));
-extern int safe_to_remove_jump_p PARAMS ((rtx));
-extern rtx pc_set PARAMS ((rtx));
-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 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 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 void rebuild_jump_labels PARAMS ((rtx));
-extern enum rtx_code reversed_comparison_code PARAMS ((rtx, rtx));
-extern enum rtx_code reversed_comparison_code_parts PARAMS ((enum rtx_code,
- 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, rtx));
-extern void purge_line_number_notes PARAMS ((rtx));
-extern void copy_loop_headers PARAMS ((rtx));
+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 int safe_to_remove_jump_p (rtx);
+extern rtx pc_set (rtx);
+extern rtx condjump_label (rtx);
+extern int simplejump_p (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 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 redirect_jump_1 (rtx, rtx);
+extern int redirect_jump (rtx, rtx, int);
+extern void rebuild_jump_labels (rtx);
+extern enum rtx_code reversed_comparison_code (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 void never_reached_warning (rtx, rtx);
+extern void purge_line_number_notes (rtx);
+extern void copy_loop_headers (rtx);
/* In emit-rtl.c. */
-extern int max_reg_num PARAMS ((void));
-extern int max_label_num PARAMS ((void));
-extern int get_first_label_num PARAMS ((void));
-extern void delete_insns_since PARAMS ((rtx));
-extern void mark_reg_pointer PARAMS ((rtx, int));
-extern void mark_user_reg PARAMS ((rtx));
-extern void reset_used_flags PARAMS ((rtx));
-extern void reorder_insns PARAMS ((rtx, rtx, rtx));
-extern void reorder_insns_nobb PARAMS ((rtx, rtx, rtx));
-extern int get_max_uid PARAMS ((void));
-extern int in_sequence_p PARAMS ((void));
-extern void force_next_line_note PARAMS ((void));
-extern void init_emit PARAMS ((void));
-extern void init_emit_once PARAMS ((int));
-extern void push_topmost_sequence PARAMS ((void));
-extern void pop_topmost_sequence PARAMS ((void));
-extern int subreg_realpart_p PARAMS ((rtx));
-extern void reverse_comparison PARAMS ((rtx));
-extern void set_new_first_and_last_insn PARAMS ((rtx, rtx));
-extern void set_new_first_and_last_label_num PARAMS ((int, int));
-extern void set_new_last_label_num PARAMS ((int));
-extern void unshare_all_rtl_again PARAMS ((rtx));
-extern void set_first_insn PARAMS ((rtx));
-extern void set_last_insn PARAMS ((rtx));
-extern void link_cc0_insns PARAMS ((rtx));
-extern void add_insn PARAMS ((rtx));
-extern void add_insn_before PARAMS ((rtx, rtx));
-extern void add_insn_after PARAMS ((rtx, rtx));
-extern void remove_insn PARAMS ((rtx));
-extern void reorder_insns_with_line_notes PARAMS ((rtx, rtx, rtx));
-extern void emit_insn_after_with_line_notes PARAMS ((rtx, rtx, rtx));
-extern enum rtx_code classify_insn PARAMS ((rtx));
-extern rtx emit PARAMS ((rtx));
+extern int max_reg_num (void);
+extern int max_label_num (void);
+extern int get_first_label_num (void);
+extern void delete_insns_since (rtx);
+extern void mark_reg_pointer (rtx, int);
+extern void mark_user_reg (rtx);
+extern void reset_used_flags (rtx);
+extern void set_used_flags (rtx);
+extern void reorder_insns (rtx, rtx, rtx);
+extern void reorder_insns_nobb (rtx, rtx, rtx);
+extern int get_max_uid (void);
+extern int in_sequence_p (void);
+extern void force_next_line_note (void);
+extern void init_emit (void);
+extern void init_emit_once (int);
+extern void push_topmost_sequence (void);
+extern void pop_topmost_sequence (void);
+extern int subreg_realpart_p (rtx);
+extern void reverse_comparison (rtx);
+extern void set_new_first_and_last_insn (rtx, rtx);
+extern void set_new_last_label_num (int);
+extern void unshare_all_rtl_again (rtx);
+extern void unshare_all_rtl_in_chain (rtx);
+extern void verify_rtl_sharing (void);
+extern void set_first_insn (rtx);
+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 remove_insn (rtx);
+extern void reorder_insns_with_line_notes (rtx, rtx, rtx);
+extern void emit_insn_after_with_line_notes (rtx, rtx, rtx);
+extern enum rtx_code classify_insn (rtx);
+extern rtx emit (rtx);
/* Query and clear/ restore no_line_numbers. This is used by the
switch / case handling in stmt.c to give proper line numbers in
warnings about unreachable code. */
-int force_line_numbers PARAMS ((void));
-void restore_line_number_status PARAMS ((int old_value));
-extern void renumber_insns PARAMS ((FILE *));
-extern void remove_unnecessary_notes PARAMS ((void));
-extern rtx delete_insn PARAMS ((rtx));
-extern void delete_insn_chain PARAMS ((rtx, rtx));
-extern rtx delete_insn_and_edges PARAMS ((rtx));
-extern void delete_insn_chain_and_edges PARAMS ((rtx, rtx));
+int force_line_numbers (void);
+void restore_line_number_status (int old_value);
+extern void renumber_insns (FILE *);
+extern void remove_unnecessary_notes (void);
+extern rtx delete_insn (rtx);
+extern void delete_insn_chain (rtx, rtx);
+extern rtx unlink_insn_chain (rtx, rtx);
+extern rtx delete_insn_and_edges (rtx);
+extern void delete_insn_chain_and_edges (rtx, rtx);
/* In combine.c */
-extern int combine_instructions PARAMS ((rtx, unsigned int));
-extern unsigned int extended_count PARAMS ((rtx, enum machine_mode, int));
-extern rtx remove_death PARAMS ((unsigned int, rtx));
+extern int combine_instructions (rtx, unsigned int);
+extern unsigned int extended_count (rtx, enum machine_mode, int);
+extern rtx remove_death (unsigned int, rtx);
#ifdef BUFSIZ
-extern void dump_combine_stats PARAMS ((FILE *));
-extern void dump_combine_total_stats PARAMS ((FILE *));
+extern void dump_combine_stats (FILE *);
+extern void dump_combine_total_stats (FILE *);
#endif
+/* In web.c */
+extern void web_main (void);
/* In sched.c. */
#ifdef BUFSIZ
-extern void schedule_insns PARAMS ((FILE *));
-extern void schedule_ebbs PARAMS ((FILE *));
+extern void schedule_insns (FILE *);
+extern void schedule_ebbs (FILE *);
#endif
-extern void fix_sched_param PARAMS ((const char *, const char *));
+extern void fix_sched_param (const char *, const char *);
/* In print-rtl.c */
extern const char *print_rtx_head;
-extern void debug_rtx PARAMS ((rtx));
-extern void debug_rtx_list PARAMS ((rtx, int));
-extern void debug_rtx_range PARAMS ((rtx, rtx));
-extern rtx debug_rtx_find PARAMS ((rtx, int));
+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);
#ifdef BUFSIZ
-extern void print_mem_expr PARAMS ((FILE *, tree));
-extern void print_rtl PARAMS ((FILE *, rtx));
-extern void print_simple_rtl PARAMS ((FILE *, rtx));
-extern int print_rtl_single PARAMS ((FILE *, rtx));
-extern void print_inline_rtx PARAMS ((FILE *, 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);
#endif
/* In loop.c */
-extern void init_loop PARAMS ((void));
-extern rtx libcall_other_reg PARAMS ((rtx, rtx));
+extern void init_loop (void);
+extern rtx libcall_other_reg (rtx, rtx);
#ifdef BUFSIZ
-extern void loop_optimize PARAMS ((rtx, FILE *, int));
+extern void loop_optimize (rtx, FILE *, int);
#endif
-extern void record_excess_regs PARAMS ((rtx, rtx, rtx *));
+extern void branch_target_load_optimize (rtx, bool);
+extern void record_excess_regs (rtx, rtx, rtx *);
/* In function.c */
-extern void reposition_prologue_and_epilogue_notes PARAMS ((rtx));
-extern void thread_prologue_and_epilogue_insns PARAMS ((rtx));
-extern int prologue_epilogue_contains PARAMS ((rtx));
-extern int sibcall_epilogue_contains PARAMS ((rtx));
-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));
+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 preserve_rtl_expr_result (rtx);
+extern void mark_temp_addr_taken (rtx);
+extern void update_temp_slot_address (rtx, rtx);
+extern void purge_addressof (rtx);
+extern void purge_hard_subreg_sets (rtx);
/* In stmt.c */
-extern void set_file_and_line_for_stmt PARAMS ((const char *, int));
-extern void expand_null_return PARAMS ((void));
-extern void emit_jump PARAMS ((rtx));
-extern int preserve_subexpressions_p PARAMS ((void));
+extern void set_file_and_line_for_stmt (location_t);
+extern void expand_null_return (void);
+extern void expand_naked_return (void);
+extern void emit_jump (rtx);
+extern int preserve_subexpressions_p (void);
/* In expr.c */
-extern void move_by_pieces PARAMS ((rtx, rtx,
- unsigned HOST_WIDE_INT,
- unsigned int));
+extern rtx move_by_pieces (rtx, rtx, unsigned HOST_WIDE_INT,
+ unsigned int, int);
/* In flow.c */
-extern void recompute_reg_usage PARAMS ((rtx, int));
-extern int initialize_uninitialized_subregs PARAMS ((void));
-extern void delete_dead_jumptables PARAMS ((void));
+extern void recompute_reg_usage (rtx, int);
+extern int initialize_uninitialized_subregs (void);
+extern void delete_dead_jumptables (void);
#ifdef BUFSIZ
-extern void print_rtl_with_bb PARAMS ((FILE *, rtx));
-extern void dump_flow_info PARAMS ((FILE *));
+extern void print_rtl_with_bb (FILE *, rtx);
+extern void dump_flow_info (FILE *);
#endif
/* In expmed.c */
-extern void init_expmed PARAMS ((void));
-extern void expand_inc PARAMS ((rtx, rtx));
-extern void expand_dec PARAMS ((rtx, rtx));
-extern rtx expand_mult_highpart PARAMS ((enum machine_mode, rtx,
- unsigned HOST_WIDE_INT, rtx,
- int, int));
+extern void init_expmed (void);
+extern void expand_inc (rtx, rtx);
+extern void expand_dec (rtx, rtx);
+extern rtx expand_mult_highpart (enum machine_mode, rtx,
+ unsigned HOST_WIDE_INT, rtx, int, int);
/* In gcse.c */
+extern bool can_copy_p (enum machine_mode);
+extern rtx fis_get_condition (rtx);
#ifdef BUFSIZ
-extern int gcse_main PARAMS ((rtx, FILE *));
+extern int gcse_main (rtx, FILE *);
+extern int bypass_jumps (FILE *);
#endif
/* In global.c */
-extern void mark_elimination PARAMS ((int, int));
+extern void mark_elimination (int, int);
#ifdef BUFSIZ
-extern int global_alloc PARAMS ((FILE *));
-extern void dump_global_regs PARAMS ((FILE *));
+extern int global_alloc (FILE *);
+extern void dump_global_regs (FILE *);
#endif
#ifdef HARD_CONST
-extern void retry_global_alloc PARAMS ((int, HARD_REG_SET));
+/* Yes, this ifdef is silly, but HARD_REG_SET is not always defined. */
+extern void retry_global_alloc (int, HARD_REG_SET);
#endif
-extern void build_insn_chain PARAMS ((rtx));
+extern void build_insn_chain (rtx);
/* In regclass.c */
-extern int reg_classes_intersect_p PARAMS ((enum reg_class, enum reg_class));
-extern int reg_class_subset_p PARAMS ((enum reg_class, enum reg_class));
-extern void globalize_reg PARAMS ((int));
-extern void init_regs PARAMS ((void));
-extern void init_reg_sets PARAMS ((void));
-extern void regset_release_memory PARAMS ((void));
-extern void regclass_init PARAMS ((void));
-extern void regclass PARAMS ((rtx, int, FILE *));
-extern void reg_scan PARAMS ((rtx, unsigned int, int));
-extern void reg_scan_update PARAMS ((rtx, rtx, unsigned int));
-extern void fix_register PARAMS ((const char *, int, int));
-
-extern void delete_null_pointer_checks PARAMS ((rtx));
+extern int reg_classes_intersect_p (enum reg_class, enum reg_class);
+extern int reg_class_subset_p (enum reg_class, enum reg_class);
+extern void globalize_reg (int);
+extern void init_reg_modes_once (void);
+extern void init_regs (void);
+extern void init_fake_stack_mems (void);
+extern void init_reg_sets (void);
+extern void regset_release_memory (void);
+extern void regclass_init (void);
+extern void regclass (rtx, int, FILE *);
+extern void reg_scan (rtx, unsigned int, int);
+extern void reg_scan_update (rtx, rtx, unsigned int);
+extern void fix_register (const char *, int, int);
+#ifdef HARD_CONST
+extern void cannot_change_mode_set_regs (HARD_REG_SET *,
+ enum machine_mode, unsigned int);
+#endif
+extern bool invalid_mode_change_p (unsigned int, enum reg_class,
+ enum machine_mode);
+
+extern int delete_null_pointer_checks (rtx);
/* In regmove.c */
#ifdef BUFSIZ
-extern void regmove_optimize PARAMS ((rtx, int, FILE *));
+extern void regmove_optimize (rtx, int, FILE *);
#endif
-extern void combine_stack_adjustments PARAMS ((void));
+extern void combine_stack_adjustments (void);
/* In reorg.c */
#ifdef BUFSIZ
-extern void dbr_schedule PARAMS ((rtx, FILE *));
+extern void dbr_schedule (rtx, FILE *);
#endif
/* In local-alloc.c */
#ifdef BUFSIZ
-extern void dump_local_alloc PARAMS ((FILE *));
+extern void dump_local_alloc (FILE *);
#endif
-extern int local_alloc PARAMS ((void));
-extern int function_invariant_p PARAMS ((rtx));
+extern int local_alloc (void);
+extern int function_invariant_p (rtx);
/* In profile.c */
-extern void init_branch_prob PARAMS ((const char *));
-extern void branch_prob PARAMS ((void));
-extern void end_branch_prob PARAMS ((void));
-extern void output_func_start_profiler PARAMS ((void));
+extern void init_branch_prob (void);
+extern void branch_prob (void);
+extern void end_branch_prob (void);
/* In reg-stack.c */
#ifdef BUFSIZ
-extern void reg_to_stack PARAMS ((rtx, FILE *));
+extern bool reg_to_stack (rtx, FILE *);
#endif
-/* In fold-const.c */
-extern int add_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *));
-extern int neg_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *));
-extern int mul_double PARAMS ((unsigned HOST_WIDE_INT,
- HOST_WIDE_INT,
- unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *));
-extern void lshift_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned int,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *, int));
-extern void rshift_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned int,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *, int));
-extern void lrotate_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned int,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *));
-extern void rrotate_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned int,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *));
-
/* In calls.c */
enum libcall_type
{
LCT_RETURNS_TWICE = 8
};
-extern void emit_library_call PARAMS ((rtx, enum libcall_type,
- enum machine_mode, int,
- ...));
-extern rtx emit_library_call_value PARAMS ((rtx, rtx, enum libcall_type,
- enum machine_mode, int,
- ...));
+extern void emit_library_call (rtx, enum libcall_type, enum machine_mode, int,
+ ...);
+extern rtx emit_library_call_value (rtx, rtx, enum libcall_type,
+ enum machine_mode, int, ...);
/* In unroll.c */
-extern int set_dominates_use PARAMS ((int, int, int, rtx, rtx));
+extern int set_dominates_use (int, int, int, rtx, rtx);
/* In varasm.c */
-extern int in_data_section PARAMS ((void));
-extern void init_varasm_once PARAMS ((void));
+extern int in_data_section (void);
+extern void init_varasm_once (void);
/* In rtl.c */
-extern void init_rtl PARAMS ((void));
-extern void traverse_md_constants PARAMS ((int (*) (void **, void *),
- void *));
+extern void init_rtl (void);
+extern void traverse_md_constants (int (*) (void **, void *), void *);
struct md_constant { char *name, *value; };
#ifdef BUFSIZ
-extern int read_skip_spaces PARAMS ((FILE *));
-extern rtx read_rtx PARAMS ((FILE *));
+extern int read_skip_spaces (FILE *);
+extern rtx read_rtx (FILE *);
#endif
extern const char *read_rtx_filename;
special abort includes one or both. toplev.h gets too few files,
system.h gets too many. */
-extern void fancy_abort PARAMS ((const char *, int, const char *))
+extern void fancy_abort (const char *, int, const char *)
ATTRIBUTE_NORETURN;
#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 mark_constant_function PARAMS ((void));
-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 clear_reg_alias_info (rtx);
+extern rtx canon_rtx (rtx);
+extern int true_dependence (rtx, enum machine_mode, rtx, int (*)(rtx, int));
+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 unchanging_anti_dependence (rtx, rtx);
+extern void mark_constant_function (void);
+extern void init_alias_once (void);
+extern void init_alias_analysis (void);
+extern void end_alias_analysis (void);
+extern rtx addr_side_effect_eval (rtx, int, int);
+extern bool memory_modified_in_insn_p (rtx, rtx);
+extern rtx find_base_term (rtx);
/* In sibcall.c */
typedef enum {
sibcall_use_sibcall
} sibcall_use_t;
-extern void optimize_sibling_and_tail_recursive_calls PARAMS ((void));
-extern void replace_call_placeholder PARAMS ((rtx, sibcall_use_t));
+extern void optimize_sibling_and_tail_recursive_calls (void);
+extern void replace_call_placeholder (rtx, sibcall_use_t);
#ifdef STACK_REGS
-extern int stack_regs_mentioned PARAMS ((rtx insn));
+extern int stack_regs_mentioned (rtx insn);
#endif
/* In toplev.c */
extern GTY(()) rtx stack_limit_rtx;
/* In regrename.c */
-extern void regrename_optimize PARAMS ((void));
-extern void copyprop_hardreg_forward PARAMS ((void));
+extern void regrename_optimize (void);
+extern void copyprop_hardreg_forward (void);
/* In ifcvt.c */
-extern void if_convert PARAMS ((int));
+extern void if_convert (int);
/* In predict.c */
-extern void invert_br_probabilities PARAMS ((rtx));
-extern bool expensive_function_p PARAMS ((int));
+extern void invert_br_probabilities (rtx);
+extern bool expensive_function_p (int);
/* In tracer.c */
-extern void tracer PARAMS ((void));
+extern void tracer (void);
+
#endif /* ! GCC_RTL_H */
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