-/* 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_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. */
-typedef struct
+/* 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. */
tree expr; /* expr corresponding to MEM. */
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;
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
1 in a SYMBOL_REF if it addresses something in the per-function
constants pool.
1 in a CALL_INSN, NOTE, or EXPR_LIST for a const or pure call.
- 1 in an INSN in the delay slot of a branch insn if an annulling branch
- should be used. */
+ 1 in a JUMP_INSN, CALL_INSN, or INSN of an annulling branch. */
unsigned int unchanging : 1;
/* 1 in a MEM or ASM_OPERANDS expression if the memory reference is volatile.
1 in an INSN, CALL_INSN, JUMP_INSN, CODE_LABEL, BARRIER, or NOTE
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 in a delay slot that is the target of a branch, during reorg.
- 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];
+ rtunion GTY ((special ("rtx_def"),
+ desc ("GET_CODE (&%0)"))) fld[1];
};
#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)
for a variable number of things. The principle use is inside
PARALLEL expressions. */
-struct rtvec_def {
+struct rtvec_def GTY(()) {
int num_elem; /* number of elements */
- rtx elem[1];
+ rtx GTY ((length ("%h.num_elem"))) elem[1];
};
#define NULL_RTVEC (rtvec) 0
__FUNCTION__); \
&_rtvec->elem[_i]; }))
-extern void rtl_check_failed_bounds PARAMS ((rtx, int,
- const char *, int, const char *))
+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 */
/* Access an individual rtx flag, with no checking of any kind. */
#define RTX_FLAG(RTX, FLAG) ((RTX)->FLAG)
-#if defined ENABLE_RTL_FLAG_CHECKING
-#define RTL_FLAG_CHECK1(RTX, C1) __extension__ \
+#if defined ENABLE_RTL_FLAG_CHECKING && (GCC_VERSION >= 2007)
+#define RTL_FLAG_CHECK1(NAME, RTX, C1) __extension__ \
({ rtx const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1) \
- rtl_check_failed_flag (_rtx, __FILE__, __LINE__, __FUNCTION__); \
+ rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
+ __FUNCTION__); \
_rtx; })
-#define RTL_FLAG_CHECK2(RTX, C1, C2) __extension__ \
+#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 (_rtx, __FILE__, __LINE__, __FUNCTION__); \
+ rtl_check_failed_flag (NAME,_rtx, __FILE__, __LINE__, \
+ __FUNCTION__); \
_rtx; })
-#define RTL_FLAG_CHECK3(RTX, C1, C2, C3) __extension__ \
+#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 (_rtx, __FILE__, __LINE__, __FUNCTION__); \
+ rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
+ __FUNCTION__); \
_rtx; })
-#define RTL_FLAG_CHECK4(RTX, C1, C2, C3, C4) __extension__ \
+#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 (_rtx, __FILE__, __LINE__, __FUNCTION__); \
+ rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
+ __FUNCTION__); \
_rtx; })
-#define RTL_FLAG_CHECK5(RTX, C1, C2, C3, C4, C5) __extension__ \
+#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 (_rtx, __FILE__, __LINE__, __FUNCTION__); \
+ rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
+ __FUNCTION__); \
_rtx; })
-#define RTL_FLAG_CHECK6(RTX, C1, C2, C3, C4, C5, C6) __extension__ \
+#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 (_rtx, __FILE__, __LINE__, __FUNCTION__); \
+ rtl_check_failed_flag (NAME,_rtx, __FILE__, __LINE__, \
+ __FUNCTION__); \
_rtx; })
-#define RTL_FLAG_CHECK7(RTX, C1, C2, C3, C4, C5, C6, C7) __extension__ \
+#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 (_rtx, __FILE__, __LINE__, __FUNCTION__); \
+ rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
+ __FUNCTION__); \
_rtx; })
-#define RTL_FLAG_CHECK8(RTX, C1, C2, C3, C4, C5, C6, C7, C8) __extension__ \
+#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 (_rtx, __FILE__, __LINE__, __FUNCTION__); \
+ rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
+ __FUNCTION__); \
_rtx; })
-extern void rtl_check_failed_flag PARAMS ((rtx, const char *, int,
- const char *))
+extern void rtl_check_failed_flag (const char *, rtx, const char *,
+ int, const char *)
ATTRIBUTE_NORETURN
;
#else /* not ENABLE_RTL_FLAG_CHECKING */
-#define RTL_FLAG_CHECK1(RTX, C1) (RTX)
-#define RTL_FLAG_CHECK2(RTX, C1, C2) (RTX)
-#define RTL_FLAG_CHECK3(RTX, C1, C2, C3) (RTX)
-#define RTL_FLAG_CHECK4(RTX, C1, C2, C3, C4) (RTX)
-#define RTL_FLAG_CHECK5(RTX, C1, C2, C3, C4, C5) (RTX)
-#define RTL_FLAG_CHECK6(RTX, C1, C2, C3, C4, C5, C6) (RTX)
-#define RTL_FLAG_CHECK7(RTX, C1, C2, C3, C4, C5, C6, C7) (RTX)
-#define RTL_FLAG_CHECK8(RTX, C1, C2, C3, C4, C5, C6, C7, C8) (RTX)
+#define RTL_FLAG_CHECK1(NAME, RTX, C1) (RTX)
+#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_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)
#endif
#define CLEAR_RTX_FLAGS(RTX) \
#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)
#define XCWINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtwint)
#define XCINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtint)
#define PREV_INSN(INSN) XEXP (INSN, 1)
#define NEXT_INSN(INSN) XEXP (INSN, 2)
+#define BLOCK_FOR_INSN(INSN) XBBDEF (INSN, 3)
+#define INSN_LOCATOR(INSN) XINT (INSN, 4)
/* The body of an insn. */
-#define PATTERN(INSN) XEXP (INSN, 3)
+#define PATTERN(INSN) XEXP (INSN, 5)
/* Code number of instruction, from when it was recognized.
-1 means this instruction has not been recognized yet. */
-#define INSN_CODE(INSN) XINT (INSN, 4)
+#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, 5)
-
-#define RTX_INTEGRATED_P(RTX) \
- (RTL_FLAG_CHECK8((RTX), INSN, CALL_INSN, JUMP_INSN, INSN_LIST, \
- BARRIER, CODE_LABEL, CONST, NOTE)->integrated)
-#define RTX_UNCHANGING_P(RTX) \
- (RTL_FLAG_CHECK3((RTX), REG, MEM, CONCAT)->unchanging)
-#define RTX_FRAME_RELATED_P(RTX) \
- (RTL_FLAG_CHECK5((RTX), INSN, CALL_INSN, JUMP_INSN, BARRIER, \
- SET)->frame_related)
-
-/* 1 if insn has been deleted. */
-#define INSN_DELETED_P(RTX) \
- (RTL_FLAG_CHECK6((RTX), INSN, CALL_INSN, JUMP_INSN, CODE_LABEL, \
- BARRIER, NOTE)->volatil)
-
-/* 1 if insn is a call to a const or pure function. */
-#define CONST_OR_PURE_CALL_P(RTX) \
- (RTL_FLAG_CHECK3((RTX), CALL_INSN, NOTE, EXPR_LIST)->unchanging)
-
-/* 1 if insn (assumed to be a CALL_INSN) is a sibling call. */
-#define SIBLING_CALL_P(INSN) (RTL_FLAG_CHECK1((INSN), CALL_INSN)->jump)
-
-/* 1 in an INSN in the delay slot of a branch insn if an annulling branch
- should be used. */
-#define INSN_ANNULLED_BRANCH_P(RTX) (RTL_FLAG_CHECK1((RTX), INSN)->unchanging)
-
-/* 1 if insn is a dead code. Valid only for dead-code elimination phase. */
-#define INSN_DEAD_CODE_P(RTX) (RTL_FLAG_CHECK1((RTX), INSN)->in_struct)
-
-/* 1 if insn is 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
+#define LOG_LINKS(INSN) XEXP(INSN, 7)
+
+#define RTX_INTEGRATED_P(RTX) \
+ (RTL_FLAG_CHECK8("RTX_INTEGRATED_P", (RTX), INSN, CALL_INSN, \
+ JUMP_INSN, INSN_LIST, BARRIER, CODE_LABEL, CONST, \
+ NOTE)->integrated)
+#define RTX_UNCHANGING_P(RTX) \
+ (RTL_FLAG_CHECK3("RTX_UNCHANGING_P", (RTX), REG, MEM, CONCAT)->unchanging)
+#define RTX_FRAME_RELATED_P(RTX) \
+ (RTL_FLAG_CHECK5("RTX_FRAME_RELATED_P", (RTX), INSN, CALL_INSN, \
+ JUMP_INSN, BARRIER, SET)->frame_related)
+
+/* 1 if RTX is an insn that has been deleted. */
+#define INSN_DELETED_P(RTX) \
+ (RTL_FLAG_CHECK6("INSN_DELETED_P", (RTX), INSN, CALL_INSN, JUMP_INSN, \
+ CODE_LABEL, BARRIER, NOTE)->volatil)
+
+/* 1 if RTX is a call to a const or pure function. */
+#define CONST_OR_PURE_CALL_P(RTX) \
+ (RTL_FLAG_CHECK3("CONST_OR_PURE_CALL_P", (RTX), CALL_INSN, NOTE, \
+ EXPR_LIST)->unchanging)
+
+/* 1 if RTX is a call_insn for a sibling call. */
+#define SIBLING_CALL_P(RTX) \
+ (RTL_FLAG_CHECK1("SIBLING_CALL_P", (RTX), CALL_INSN)->jump)
+
+/* 1 if RTX is a jump_insn, call_insn, or insn that is an annulling branch. */
+#define INSN_ANNULLED_BRANCH_P(RTX) \
+ (RTL_FLAG_CHECK3("INSN_ANNULLED_BRANCH_P", (RTX), JUMP_INSN, CALL_INSN, INSN)->unchanging)
+
+/* 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_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
executed if the branch is taken. For annulled branches with this bit
clear, the insn should be executed only if the branch is not taken. */
-#define INSN_FROM_TARGET_P(RTX) (RTL_FLAG_CHECK1((RTX), INSN)->in_struct)
+#define INSN_FROM_TARGET_P(RTX) \
+ (RTL_FLAG_CHECK3("INSN_FROM_TARGET_P", (RTX), INSN, JUMP_INSN, CALL_INSN)->in_struct)
#define ADDR_DIFF_VEC_FLAGS(RTX) X0ADVFLAGS(RTX, 4)
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, 6)
+#define REG_NOTES(INSN) XEXP(INSN, 8)
/* Don't forget to change reg_note_name in rtl.c. */
enum reg_note
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,
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, 7)
+#define CALL_INSN_FUNCTION_USAGE(INSN) XEXP(INSN, 9)
/* The label-number of a code-label. The assembler label
is made from `L' and the label-number printed in decimal.
Label numbers are unique in a compilation. */
-#define CODE_LABEL_NUMBER(INSN) XINT (INSN, 5)
+#define CODE_LABEL_NUMBER(INSN) XINT (INSN, 6)
#define LINE_NUMBER NOTE
line is in. We use the same field to record block numbers temporarily in
NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes. (We avoid lots of casts
between ints and pointers if we use a different macro for the block number.)
- The NOTE_INSN_RANGE_{START,END} and NOTE_INSN_LIVE notes record their
- information as an rtx in the field. */
-
-#define NOTE_SOURCE_FILE(INSN) XCSTR (INSN, 3, NOTE)
-#define NOTE_BLOCK(INSN) XCTREE (INSN, 3, NOTE)
-#define NOTE_EH_HANDLER(INSN) XCINT (INSN, 3, NOTE)
-#define NOTE_RANGE_INFO(INSN) XCEXP (INSN, 3, NOTE)
-#define NOTE_LIVE_INFO(INSN) XCEXP (INSN, 3, NOTE)
-#define NOTE_BASIC_BLOCK(INSN) XCBBDEF (INSN, 3, NOTE)
-#define NOTE_EXPECTED_VALUE(INSN) XCEXP (INSN, 3, NOTE)
-#define NOTE_PREDICTION(INSN) XCINT (INSN, 3, 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, 4, NOTE)
+#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)
/* Algorithm and flags for prediction. */
-#define NOTE_PREDICTION_ALG(INSN) (XCINT(INSN, 3, NOTE)>>8)
-#define NOTE_PREDICTION_FLAGS(INSN) (XCINT(INSN, 3, NOTE)&0xff)
+#define NOTE_PREDICTION_ALG(INSN) (XCINT(INSN, 4, NOTE)>>8)
+#define NOTE_PREDICTION_FLAGS(INSN) (XCINT(INSN, 4, NOTE)&0xff)
#define NOTE_PREDICT(ALG,FLAGS) ((ALG<<8)+(FLAGS))
/* Codes that appear in the NOTE_LINE_NUMBER field
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,
the line containing the inline call from being counted twice in gcov. */
NOTE_INSN_REPEATED_LINE_NUMBER,
- /* Start/end of a live range region, where pseudos allocated on the stack
- can be allocated to temporary registers. Uses NOTE_RANGE_INFO. */
- NOTE_INSN_RANGE_BEG,
- NOTE_INSN_RANGE_END,
-
- /* Record which registers are currently live. Uses NOTE_LIVE_INFO. */
- NOTE_INSN_LIVE,
-
/* Record the struct for the following basic block. Uses NOTE_BASIC_BLOCK. */
NOTE_INSN_BASIC_BLOCK,
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
/* The name of a label, in case it corresponds to an explicit label
in the input source code. */
-#define LABEL_NAME(RTX) XCSTR (RTX, 6, CODE_LABEL)
+#define LABEL_NAME(RTX) XCSTR (RTX, 7, CODE_LABEL)
/* In jump.c, each label contains a count of the number
of LABEL_REFs that point at it, so unused labels can be deleted. */
-#define LABEL_NUSES(RTX) XCINT (RTX, 3, CODE_LABEL)
+#define LABEL_NUSES(RTX) XCINT (RTX, 4, 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 */
+};
-/* Associate a name with a CODE_LABEL. */
-#define LABEL_ALTERNATE_NAME(RTX) XCSTR (RTX, 7, CODE_LABEL)
+#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)
/* 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, 7, JUMP_INSN)
+#define JUMP_LABEL(INSN) XCEXP (INSN, 9, 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. */
-#define LABEL_REFS(LABEL) XCEXP (LABEL, 4, CODE_LABEL)
+#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.
#define REGNO(RTX) XCUINT (RTX, 0, REG)
#define ORIGINAL_REGNO(RTX) X0UINT (RTX, 1)
-/* For a REG rtx, REG_FUNCTION_VALUE_P is nonzero if the reg
- 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_CHECK2("REG_FUNCTION_VALUE_P", (RTX), REG, PARALLEL)->integrated)
-#define REG_FUNCTION_VALUE_P(RTX) (RTL_FLAG_CHECK1((RTX), REG)->integrated)
+/* 1 if RTX is a reg that corresponds to a variable declared by the user. */
+#define REG_USERVAR_P(RTX) \
+ (RTL_FLAG_CHECK1("REG_USERVAR_P", (RTX), REG)->volatil)
-/* 1 in a REG rtx if it corresponds to a variable declared by the user. */
-#define REG_USERVAR_P(RTX) (RTL_FLAG_CHECK1((RTX), REG)->volatil)
-
-/* 1 in a REG rtx if the register is a pointer. */
-#define REG_POINTER(RTX) (RTL_FLAG_CHECK1((RTX), REG)->frame_related)
+/* 1 if RTX is a reg that holds a pointer value. */
+#define REG_POINTER(RTX) \
+ (RTL_FLAG_CHECK1("REG_POINTER", (RTX), REG)->frame_related)
/* 1 if the given register REG corresponds to a hard register. */
#define HARD_REGISTER_P(REG) (HARD_REGISTER_NUM_P (REGNO (REG)))
#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. */
-#define CONST_DOUBLE_LOW(r) XCWINT (r, 1, CONST_DOUBLE)
-#define CONST_DOUBLE_HIGH(r) XCWINT (r, 2, CONST_DOUBLE)
-
-/* Link for chain of all CONST_DOUBLEs in use in current function. */
-#define CONST_DOUBLE_CHAIN(r) XCEXP (r, 0, CONST_DOUBLE)
+ 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));
-
-/* 1 if the REG contained in SUBREG_REG is already known to be
- sign- or zero-extended from the mode of the SUBREG to the mode of
+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
the reg. SUBREG_PROMOTED_UNSIGNED_P gives the signedness of the
extension.
When used as a LHS, is means that this extension must be done
when assigning to SUBREG_REG. */
-#define SUBREG_PROMOTED_VAR_P(RTX) (RTL_FLAG_CHECK1((RTX), SUBREG)->in_struct)
-#define SUBREG_PROMOTED_UNSIGNED_SET(RTX, VAL) \
-do { \
- RTL_FLAG_CHECK1((RTX), SUBREG); \
- if ((VAL) < 0) \
- (RTX)->volatil = 1; \
- else { \
- (RTX)->volatil = 0; \
- (RTX)->unchanging = (VAL); \
- } \
+#define SUBREG_PROMOTED_VAR_P(RTX) \
+ (RTL_FLAG_CHECK1("SUBREG_PROMOTED", (RTX), SUBREG)->in_struct)
+
+#define SUBREG_PROMOTED_UNSIGNED_SET(RTX, VAL) \
+do { \
+ rtx const _rtx = RTL_FLAG_CHECK1("SUBREG_PROMOTED_UNSIGNED_SET", (RTX), SUBREG); \
+ if ((VAL) < 0) \
+ _rtx->volatil = 1; \
+ else { \
+ _rtx->volatil = 0; \
+ _rtx->unchanging = (VAL); \
+ } \
} while (0)
#define SUBREG_PROMOTED_UNSIGNED_P(RTX) \
- ((RTL_FLAG_CHECK1((RTX), SUBREG)->volatil) ? -1 : (RTX)->unchanging)
+ ((RTL_FLAG_CHECK1("SUBREG_PROMOTED_UNSIGNED_P", (RTX), SUBREG)->volatil) \
+ ? -1 : (RTX)->unchanging)
/* Access various components of an ASM_OPERANDS rtx. */
#define ASM_OPERANDS_SOURCE_FILE(RTX) XCSTR (RTX, 5, ASM_OPERANDS)
#define ASM_OPERANDS_SOURCE_LINE(RTX) XCINT (RTX, 6, ASM_OPERANDS)
-/* For a MEM RTX, 1 if we should keep the alias set for this mem
+/* 1 if RTX is a mem and we should keep the alias set for this mem
unchanged when we access a component. Set to 1, or example, when we
are already in a non-addressable component of an aggregate. */
-#define MEM_KEEP_ALIAS_SET_P(RTX) (RTL_FLAG_CHECK1((RTX), MEM)->jump)
+#define MEM_KEEP_ALIAS_SET_P(RTX) \
+ (RTL_FLAG_CHECK1("MEM_KEEP_ALIAS_SET_P", (RTX), MEM)->jump)
-/* For a MEM rtx, 1 if it's a volatile reference.
- Also in an ASM_OPERANDS rtx. */
-#define MEM_VOLATILE_P(RTX) (RTL_FLAG_CHECK2((RTX), MEM, ASM_OPERANDS)->volatil)
+/* 1 if RTX is a mem or asm_operand for a volatile reference. */
+#define MEM_VOLATILE_P(RTX) \
+ (RTL_FLAG_CHECK3("MEM_VOLATILE_P", (RTX), MEM, ASM_OPERANDS, \
+ ASM_INPUT)->volatil)
-/* For a MEM rtx, 1 if it refers to an aggregate, either to the
+/* 1 if RTX is a mem that refers to an aggregate, either to the
aggregate itself of to a field of the aggregate. If zero, RTX may
or may not be such a reference. */
-#define MEM_IN_STRUCT_P(RTX) (RTL_FLAG_CHECK1((RTX), MEM)->in_struct)
+#define MEM_IN_STRUCT_P(RTX) \
+ (RTL_FLAG_CHECK1("MEM_IN_STRUCT_P", (RTX), MEM)->in_struct)
-/* For a MEM rtx, 1 if it refers to a scalar. If zero, RTX may or may
+/* 1 if RTX is a mem that refers to a scalar. If zero, RTX may or may
not refer to a scalar. */
-#define MEM_SCALAR_P(RTX) (RTL_FLAG_CHECK1((RTX), MEM)->frame_related)
+#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))
-/* For a LABEL_REF, 1 means that this reference is to a label outside the
- loop containing the reference. */
-#define LABEL_OUTSIDE_LOOP_P(RTX) (RTL_FLAG_CHECK1((RTX), LABEL_REF)->in_struct)
+/* 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)
-/* For a LABEL_REF, 1 means it is for a nonlocal label. */
-/* Likewise in an EXPR_LIST for a REG_LABEL note. */
-#define LABEL_REF_NONLOCAL_P(RTX) \
- (RTL_FLAG_CHECK2((RTX), LABEL_REF, REG_LABEL)->volatil)
+/* 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) \
+ (RTL_FLAG_CHECK2("LABEL_REF_NONLOCAL_P", (RTX), LABEL_REF, \
+ REG_LABEL)->volatil)
-/* For a CODE_LABEL, 1 means always consider this label to be needed. */
-#define LABEL_PRESERVE_P(RTX) \
- (RTL_FLAG_CHECK2((RTX), CODE_LABEL, NOTE)->in_struct)
+/* 1 if RTX is a code_label that should always be considered to be needed. */
+#define LABEL_PRESERVE_P(RTX) \
+ (RTL_FLAG_CHECK2("LABEL_PRESERVE_P", (RTX), CODE_LABEL, NOTE)->in_struct)
-/* For a REG, 1 means the register is used only in an exit test of a loop. */
-#define REG_LOOP_TEST_P(RTX) (RTL_FLAG_CHECK1((RTX), REG)->in_struct)
+/* 1 if RTX is a reg that is used only in an exit test of a loop. */
+#define REG_LOOP_TEST_P(RTX) \
+ (RTL_FLAG_CHECK1("REG_LOOP_TEST_P", (RTX), REG)->in_struct)
-/* During sched, for an insn, 1 means that the insn must be scheduled together
+/* 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((RTX), INSN, JUMP_INSN, CALL_INSN, CODE_LABEL, \
- BARRIER, NOTE)->in_struct)
+#define SCHED_GROUP_P(RTX) \
+ (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 SET_DEST(RTX) XC2EXP(RTX, 0, SET, CLOBBER)
#define SET_SRC(RTX) XCEXP(RTX, 1, SET)
-#define SET_IS_RETURN_P(RTX) (RTL_FLAG_CHECK1((RTX), SET)->jump)
+#define SET_IS_RETURN_P(RTX) \
+ (RTL_FLAG_CHECK1("SET_IS_RETURN_P", (RTX), SET)->jump)
/* For a TRAP_IF rtx, TRAP_CONDITION is an expression. */
#define TRAP_CONDITION(RTX) XCEXP (RTX, 0, TRAP_IF)
#define COND_EXEC_TEST(RTX) XCEXP (RTX, 0, COND_EXEC)
#define COND_EXEC_CODE(RTX) XCEXP (RTX, 1, COND_EXEC)
-/* 1 in a SYMBOL_REF if it addresses this function's constants pool. */
-#define CONSTANT_POOL_ADDRESS_P(RTX) \
- (RTL_FLAG_CHECK1((RTX), SYMBOL_REF)->unchanging)
-
-/* 1 in a SYMBOL_REF if it addresses this function's string constant pool. */
-#define STRING_POOL_ADDRESS_P(RTX) \
- (RTL_FLAG_CHECK1((RTX), SYMBOL_REF)->frame_related)
-
-/* Flag in a SYMBOL_REF for machine-specific purposes. */
-#define SYMBOL_REF_FLAG(RTX) (RTL_FLAG_CHECK1((RTX), SYMBOL_REF)->volatil)
-
-/* 1 means a SYMBOL_REF has been the library function in emit_library_call. */
-#define SYMBOL_REF_USED(RTX) (RTL_FLAG_CHECK1((RTX), SYMBOL_REF)->used)
-
-/* 1 means a SYMBOL_REF is weak. */
-#define SYMBOL_REF_WEAK(RTX) (RTL_FLAG_CHECK1((RTX), SYMBOL_REF)->integrated)
+/* 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 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) \
+ (RTL_FLAG_CHECK1("SYMBOL_REF_FLAG", (RTX), SYMBOL_REF)->volatil)
+
+/* 1 if RTX is a symbol_ref that has been the library function in
+ emit_library_call. */
+#define SYMBOL_REF_USED(RTX) \
+ (RTL_FLAG_CHECK1("SYMBOL_REF_USED", (RTX), SYMBOL_REF)->used)
+
+/* 1 if RTX is a symbol_ref for a weak symbol. */
+#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
#define USE_STORE_PRE_DECREMENT(MODE) HAVE_PRE_DECREMENT
#endif
-
-/* Accessors for RANGE_INFO. */
-/* For RANGE_{START,END} notes return the RANGE_START note. */
-#define RANGE_INFO_NOTE_START(INSN) XCEXP (INSN, 0, RANGE_INFO)
-
-/* For RANGE_{START,END} notes return the RANGE_START note. */
-#define RANGE_INFO_NOTE_END(INSN) XCEXP (INSN, 1, RANGE_INFO)
-
-/* For RANGE_{START,END} notes, return the vector containing the registers used
- in the range. */
-#define RANGE_INFO_REGS(INSN) XCVEC (INSN, 2, RANGE_INFO)
-#define RANGE_INFO_REGS_REG(INSN, N) XCVECEXP (INSN, 2, N, RANGE_INFO)
-#define RANGE_INFO_NUM_REGS(INSN) XCVECLEN (INSN, 2, RANGE_INFO)
-
-/* For RANGE_{START,END} notes, the number of calls within the range. */
-#define RANGE_INFO_NCALLS(INSN) XCINT (INSN, 3, RANGE_INFO)
-
-/* For RANGE_{START,END} notes, the number of insns within the range. */
-#define RANGE_INFO_NINSNS(INSN) XCINT (INSN, 4, RANGE_INFO)
-
-/* For RANGE_{START,END} notes, a unique # to identify this range. */
-#define RANGE_INFO_UNIQUE(INSN) XCINT (INSN, 5, RANGE_INFO)
-
-/* For RANGE_{START,END} notes, the basic block # the range starts with. */
-#define RANGE_INFO_BB_START(INSN) XCINT (INSN, 6, RANGE_INFO)
-
-/* For RANGE_{START,END} notes, the basic block # the range ends with. */
-#define RANGE_INFO_BB_END(INSN) XCINT (INSN, 7, RANGE_INFO)
-
-/* For RANGE_{START,END} notes, the loop depth the range is in. */
-#define RANGE_INFO_LOOP_DEPTH(INSN) XCINT (INSN, 8, RANGE_INFO)
-
-/* For RANGE_{START,END} notes, the bitmap of live registers at the start
- of the range. */
-#define RANGE_INFO_LIVE_START(INSN) XCBITMAP (INSN, 9, RANGE_INFO)
-
-/* For RANGE_{START,END} notes, the bitmap of live registers at the end
- of the range. */
-#define RANGE_INFO_LIVE_END(INSN) XCBITMAP (INSN, 10, RANGE_INFO)
-
-/* For RANGE_START notes, the marker # of the start of the range. */
-#define RANGE_INFO_MARKER_START(INSN) XCINT (INSN, 11, RANGE_INFO)
-
-/* For RANGE_START notes, the marker # of the end of the range. */
-#define RANGE_INFO_MARKER_END(INSN) XCINT (INSN, 12, RANGE_INFO)
-
-/* Original pseudo register # for a live range note. */
-#define RANGE_REG_PSEUDO(INSN,N) XCINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 0, REG)
-
-/* Pseudo register # original register is copied into or -1. */
-#define RANGE_REG_COPY(INSN,N) XCINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 1, REG)
-
-/* How many times a register in a live range note was referenced. */
-#define RANGE_REG_REFS(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 2)
-
-/* How many times a register in a live range note was set. */
-#define RANGE_REG_SETS(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 3)
-
-/* How many times a register in a live range note died. */
-#define RANGE_REG_DEATHS(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 4)
-
-/* Whether the original value is needed to be copied into the range register at
- the start of the range. */
-#define RANGE_REG_COPY_FLAGS(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 5)
-
-/* # of insns the register copy is live over. */
-#define RANGE_REG_LIVE_LENGTH(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 6)
-
-/* # of calls the register copy is live over. */
-#define RANGE_REG_N_CALLS(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 7)
-
-/* DECL_NODE pointer of the declaration if the register is a user defined
- variable. */
-#define RANGE_REG_SYMBOL_NODE(INSN,N) XTREE (XCVECEXP (INSN, 2, N, RANGE_INFO), 8)
-
-/* BLOCK_NODE pointer to the block the variable is declared in if the
- register is a user defined variable. */
-#define RANGE_REG_BLOCK_NODE(INSN,N) XTREE (XCVECEXP (INSN, 2, N, RANGE_INFO), 9)
-
-/* EXPR_LIST of the distinct ranges a variable is in. */
-#define RANGE_VAR_LIST(INSN) (XEXP (INSN, 0))
-
-/* Block a variable is declared in. */
-#define RANGE_VAR_BLOCK(INSN) (XTREE (INSN, 1))
-
-/* # of distinct ranges a variable is in. */
-#define RANGE_VAR_NUM(INSN) (XINT (INSN, 2))
-
-/* For a NOTE_INSN_LIVE note, the registers which are currently live. */
-#define RANGE_LIVE_BITMAP(INSN) (XBITMAP (INSN, 0))
-
-/* For a NOTE_INSN_LIVE note, the original basic block number. */
-#define RANGE_LIVE_ORIG_BLOCK(INSN) (XINT (INSN, 1))
-
/* Determine if the insn is a PHI node. */
#define PHI_NODE_P(X) \
((X) && GET_CODE (X) == INSN \
/* 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);
/* 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));
-void init_EXPR_INSN_LIST_cache PARAMS ((void));
-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));
+extern rtx find_use_as_address (rtx, rtx, HOST_WIDE_INT);
+
+/* lists.c */
+
+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 */
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 rtx const_int_rtx[MAX_SAVED_CONST_INT * 2 + 1];
+extern GTY(()) rtx const_int_rtx[MAX_SAVED_CONST_INT * 2 + 1];
#define const0_rtx (const_int_rtx[MAX_SAVED_CONST_INT])
#define const1_rtx (const_int_rtx[MAX_SAVED_CONST_INT+1])
#define const2_rtx (const_int_rtx[MAX_SAVED_CONST_INT+2])
#define constm1_rtx (const_int_rtx[MAX_SAVED_CONST_INT-1])
-extern rtx const_true_rtx;
+extern GTY(()) rtx const_true_rtx;
-extern rtx const_tiny_rtx[3][(int) MAX_MACHINE_MODE];
+extern GTY(()) rtx const_tiny_rtx[3][(int) MAX_MACHINE_MODE];
/* Returns a constant 0 rtx in mode MODE. Integer modes are treated the
same as VOIDmode. */
};
/* Pointers to standard pieces of rtx are stored here. */
-extern rtx global_rtl[GR_MAX];
+extern GTY(()) rtx global_rtl[GR_MAX];
/* Standard pieces of rtx, to be substituted directly into things. */
#define pc_rtx (global_rtl[GR_PC])
#define hard_frame_pointer_rtx (global_rtl[GR_HARD_FRAME_POINTER])
#define arg_pointer_rtx (global_rtl[GR_ARG_POINTER])
-extern rtx pic_offset_table_rtx;
-extern rtx struct_value_rtx;
-extern rtx struct_value_incoming_rtx;
-extern rtx static_chain_rtx;
-extern rtx static_chain_incoming_rtx;
-extern rtx return_address_pointer_rtx;
+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;
/* Include the RTL generation functions. */
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_DOUBLE PARAMS ((enum machine_mode,
- HOST_WIDE_INT, HOST_WIDE_INT));
-extern rtx gen_rtx_CONST_INT PARAMS ((enum machine_mode, HOST_WIDE_INT));
-extern rtx gen_raw_REG PARAMS ((enum machine_mode, int));
-extern rtx gen_rtx_REG PARAMS ((enum machine_mode, int));
-extern rtx gen_rtx_SUBREG PARAMS ((enum machine_mode, rtx, int));
-extern rtx gen_rtx_MEM PARAMS ((enum machine_mode, rtx));
+extern rtx gen_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 PARAMS ((tree, int));
-extern rtx immed_real_const PARAMS ((tree));
+extern rtx output_constant_def (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;
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 clear_emit_caches 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 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_first_and_last_label_num (int, int);
+extern void set_new_last_label_num (int);
+extern void unshare_all_rtl_again (rtx);
+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 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 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_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 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 rtx stack_limit_rtx;
+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 (void);
+
#endif /* ! GCC_RTL_H */
OSDN Git Service
