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. */
/* 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;
+};
+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. */
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
/* Predicate yielding nonzero iff X is a barrier insn. */
#define BARRIER_P(X) (GET_CODE (X) == BARRIER)
+/* Predicate yielding nonzero iff X is cc0. */
+#ifdef HAVE_cc0
+#define CC0_P(X) ((X) == cc0_rtx)
+#else
+#define CC0_P(X) 0
+#endif
+
/* Predicate yielding nonzero iff X is a data for a jump table. */
#define JUMP_TABLE_DATA_P(INSN) \
(JUMP_P (INSN) && (GET_CODE (PATTERN (INSN)) == ADDR_VEC || \
#define PREV_INSN(INSN) XEXP (INSN, 1)
#define NEXT_INSN(INSN) XEXP (INSN, 2)
+#define BLOCK_FOR_INSN(INSN) XBBDEF (INSN, 3)
+#define INSN_SCOPE(INSN) XTREE (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 LOG_LINKS(INSN) XEXP(INSN, 7)
#define RTX_INTEGRATED_P(RTX) \
(RTL_FLAG_CHECK8("RTX_INTEGRATED_P", (RTX), INSN, CALL_INSN, \
#define SIBLING_CALL_P(RTX) \
(RTL_FLAG_CHECK1("SIBLING_CALL_P", (RTX), CALL_INSN)->jump)
-/* 1 if RTX is an insn in the delay slot of a branch insn for which an
- annulling branch should be used. */
+/* 1 if RTX is a jump_insn, call_insn, or insn that is an annulling branch. */
#define INSN_ANNULLED_BRANCH_P(RTX) \
- (RTL_FLAG_CHECK2("INSN_ANNULLED_BRANCH_P", (RTX), INSN, \
- JUMP_INSN)->unchanging)
+ (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_CHECK1("INSN_DEAD_CODE_P", (RTX), INSN)->in_struct)
+ (RTL_FLAG_CHECK3("INSN_DEAD_CODE_P", (RTX), INSN, CALL_INSN, JUMP_INSN)->in_struct)
/* 1 if RTX is an insn in a delay slot and is from the target of the branch.
If the branch insn has INSN_ANNULLED_BRANCH_P set, this insn should only be
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_CHECK2("INSN_FROM_TARGET_P", (RTX), INSN, JUMP_INSN)->in_struct)
+ (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
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)
+ */
+
+#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) \
&& 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
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 */
+};
+
+#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))
-/* Associate a name with a CODE_LABEL. */
-#define LABEL_ALTERNATE_NAME(RTX) XCSTR (RTX, 7, CODE_LABEL)
+/* 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)
-/* 1 if RTX is a reg that is the current function's return value. */
+/* 1 if RTX is a reg or parallel that is the current function's return
+ value. */
#define REG_FUNCTION_VALUE_P(RTX) \
- (RTL_FLAG_CHECK1("REG_FUNCTION_VALUE_P", (RTX), REG)->integrated)
+ (RTL_FLAG_CHECK2("REG_FUNCTION_VALUE_P", (RTX), REG, PARALLEL)->integrated)
/* 1 if RTX is a reg that corresponds to a variable declared by the user. */
#define REG_USERVAR_P(RTX) \
#define INTVAL(RTX) XCWINT(RTX, 0, CONST_INT)
/* For a CONST_DOUBLE:
- The usual two ints that hold the value.
- For a DImode, that is all there are;
- and CONST_DOUBLE_LOW is the low-order word and ..._HIGH the high-order.
- For a float, the number of ints varies,
- and CONST_DOUBLE_LOW is the one that should come first *in memory*.
- So use &CONST_DOUBLE_LOW(r) as the address of an array of ints. */
-#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_PROMOTED_UNSIGNED_SET(RTX, VAL) \
do { \
- RTL_FLAG_CHECK1("SUBREG_PROMOTED_UNSIGNED_SET", (RTX), SUBREG); \
+ rtx const _rtx = RTL_FLAG_CHECK1("SUBREG_PROMOTED_UNSIGNED_SET", (RTX), SUBREG); \
if ((VAL) < 0) \
- (RTX)->volatil = 1; \
+ _rtx->volatil = 1; \
else { \
- (RTX)->volatil = 0; \
- (RTX)->unchanging = (VAL); \
+ _rtx->volatil = 0; \
+ _rtx->unchanging = (VAL); \
} \
} while (0)
#define SUBREG_PROMOTED_UNSIGNED_P(RTX) \
#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
+/* 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. */
/* During sched, 1 if RTX is an insn that must be scheduled together
with the preceding insn. */
#define SCHED_GROUP_P(RTX) \
- (RTL_FLAG_CHECK6("SCHED_GROUP_P", (RTX), INSN, JUMP_INSN, CALL_INSN, \
- CODE_LABEL, BARRIER, NOTE)->in_struct)
+ (RTL_FLAG_CHECK3("SCHED_GROUP_P", (RTX), INSN, JUMP_INSN, CALL_INSN \
+ )->in_struct)
/* For a SET rtx, SET_DEST is the place that is set
and SET_SRC is the value it is set to. */
/* Define 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 \
extern const char *get_insn_name PARAMS ((int));
extern rtx get_last_insn PARAMS ((void));
extern rtx get_last_insn_anywhere PARAMS ((void));
+extern rtx get_first_nonnote_insn PARAMS ((void));
+extern rtx get_last_nonnote_insn 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));
/* In varasm.c */
extern rtx immed_double_const PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT, enum machine_mode));
extern rtx assign_temp PARAMS ((tree, int, int, int));
/* In emit-rtl.c */
extern rtx emit_insn_before PARAMS ((rtx, rtx));
+extern rtx emit_insn_before_scope PARAMS ((rtx, rtx, tree));
extern rtx emit_jump_insn_before PARAMS ((rtx, rtx));
+extern rtx emit_jump_insn_before_scope PARAMS ((rtx, rtx, tree));
extern rtx emit_call_insn_before PARAMS ((rtx, rtx));
+extern rtx emit_call_insn_before_scope PARAMS ((rtx, rtx, tree));
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_insn_after_scope PARAMS ((rtx, rtx, tree));
extern rtx emit_jump_insn_after PARAMS ((rtx, rtx));
+extern rtx emit_jump_insn_after_scope PARAMS ((rtx, rtx, tree));
extern rtx emit_call_insn_after PARAMS ((rtx, rtx));
+extern rtx emit_call_insn_after_scope PARAMS ((rtx, rtx, tree));
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 next_cc0_user PARAMS ((rtx));
extern rtx prev_cc0_setter PARAMS ((rtx));
+/* In cfglayout.c */
+extern tree choose_inner_scope PARAMS ((tree, tree));
+
/* In jump.c */
extern rtx next_nondeleted_insn PARAMS ((rtx));
extern enum rtx_code reverse_condition PARAMS ((enum rtx_code));
#define single_set_1(I) single_set_2 (I, PATTERN (I))
extern int rtx_addr_can_trap_p PARAMS ((rtx));
+extern bool nonzero_address_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));
/* flow.c */
extern rtx find_use_as_address PARAMS ((rtx, rtx, HOST_WIDE_INT));
-void init_EXPR_INSN_LIST_cache PARAMS ((void));
+
+/* lists.c */
+
void free_EXPR_LIST_list PARAMS ((rtx *));
void free_INSN_LIST_list PARAMS ((rtx *));
void free_EXPR_LIST_node PARAMS ((rtx));
extern void split_all_insns_noflow PARAMS ((void));
#define MAX_SAVED_CONST_INT 64
-extern rtx const_int_rtx[MAX_SAVED_CONST_INT * 2 + 1];
+extern 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_rtx_CONST_VECTOR PARAMS ((enum machine_mode, rtvec));
extern rtx gen_raw_REG PARAMS ((enum machine_mode, int));
-extern rtx gen_rtx_REG PARAMS ((enum machine_mode, int));
+extern rtx gen_rtx_REG PARAMS ((enum machine_mode, unsigned));
extern rtx gen_rtx_SUBREG PARAMS ((enum machine_mode, rtx, int));
extern rtx gen_rtx_MEM PARAMS ((enum machine_mode, rtx));
#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. */
extern rtx find_next_ref PARAMS ((rtx, rtx));
extern rtx output_constant_def PARAMS ((tree, int));
-extern rtx immed_real_const PARAMS ((tree));
/* Define a default value for STORE_FLAG_VALUE. */
extern int invert_jump PARAMS ((rtx, rtx, int));
extern int rtx_renumbered_equal_p PARAMS ((rtx, rtx));
extern int true_regnum PARAMS ((rtx));
+extern unsigned int reg_or_subregno 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 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 dump_global_regs PARAMS ((FILE *));
#endif
#ifdef HARD_CONST
+/* Yes, this ifdef is silly, but HARD_REG_SET is not always defined. */
extern void retry_global_alloc PARAMS ((int, HARD_REG_SET));
#endif
extern void build_insn_chain PARAMS ((rtx));
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_fake_stack_mems PARAMS ((void));
extern void init_reg_sets PARAMS ((void));
extern void regset_release_memory PARAMS ((void));
extern void regclass_init PARAMS ((void));
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));
+#ifdef HARD_CONST
+extern void cannot_change_mode_set_regs PARAMS ((HARD_REG_SET *,
+ enum machine_mode,
+ unsigned int));
+#endif
+extern bool invalid_mode_change_p PARAMS ((unsigned int,
+ enum reg_class,
+ enum machine_mode));
-extern void delete_null_pointer_checks PARAMS ((rtx));
+extern int delete_null_pointer_checks PARAMS ((rtx));
/* In regmove.c */
#ifdef BUFSIZ
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 create_profiler PARAMS ((void));
/* In reg-stack.c */
#ifdef BUFSIZ
#endif
/* In toplev.c */
-extern rtx stack_limit_rtx;
+extern GTY(()) rtx stack_limit_rtx;
/* In regrename.c */
extern void regrename_optimize PARAMS ((void));
/* In predict.c */
extern void invert_br_probabilities PARAMS ((rtx));
extern bool expensive_function_p PARAMS ((int));
+/* In tracer.c */
+extern void tracer PARAMS ((void));
+
+/* In calls.c */
+
+/* Nonzero if this is a call to a `const' function. */
+#define ECF_CONST 1
+/* Nonzero if this is a call to a `volatile' function. */
+#define ECF_NORETURN 2
+/* Nonzero if this is a call to malloc or a related function. */
+#define ECF_MALLOC 4
+/* Nonzero if it is plausible that this is a call to alloca. */
+#define ECF_MAY_BE_ALLOCA 8
+/* Nonzero if this is a call to a function that won't throw an exception. */
+#define ECF_NOTHROW 16
+/* Nonzero if this is a call to setjmp or a related function. */
+#define ECF_RETURNS_TWICE 32
+/* Nonzero if this is a call to `longjmp'. */
+#define ECF_LONGJMP 64
+/* Nonzero if this is a syscall that makes a new process in the image of
+ the current one. */
+#define ECF_FORK_OR_EXEC 128
+#define ECF_SIBCALL 256
+/* Nonzero if this is a call to "pure" function (like const function,
+ but may read memory. */
+#define ECF_PURE 512
+/* Nonzero if this is a call to a function that returns with the stack
+ pointer depressed. */
+#define ECF_SP_DEPRESSED 1024
+/* Nonzero if this call is known to always return. */
+#define ECF_ALWAYS_RETURN 2048
+/* Create libcall block around the call. */
+#define ECF_LIBCALL_BLOCK 4096
+
+extern int flags_from_decl_or_type PARAMS ((tree));
+
#endif /* ! GCC_RTL_H */
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