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. */
/* 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. */
unsigned int in_struct : 1;
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 || \
/* Access an individual rtx flag, with no checking of any kind. */
#define RTX_FLAG(RTX, FLAG) ((RTX)->FLAG)
-#if defined ENABLE_RTL_FLAG_CHECKING
+#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) \
#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. */
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)
/* 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,
/* 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))
+
+/* 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)
-/* Associate a name with a CODE_LABEL. */
-#define LABEL_ALTERNATE_NAME(RTX) XCSTR (RTX, 7, CODE_LABEL)
+#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.
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)
+#define CONST_DOUBLE_LOW(r) XCWINT (r, 0, CONST_DOUBLE)
+#define CONST_DOUBLE_HIGH(r) XCWINT (r, 1, CONST_DOUBLE)
/* 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) \
/* 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 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));
/* 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));
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 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 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_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 delete_null_pointer_checks PARAMS ((rtx));
/* In regmove.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));
#endif /* ! GCC_RTL_H */
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