2014-08-19 David Malcolm <dmalcolm@redhat.com>
+ * emit-rtl.h (emit_copy_of_insn_after): Strengthen return type
+ from rtx to rtx_insn *.
+
+ * rtl.h (emit_insn_before): Likewise.
+ (emit_insn_before_noloc): Likewise.
+ (emit_insn_before_setloc): Likewise.
+ (emit_jump_insn_before): Likewise.
+ (emit_jump_insn_before_noloc): Likewise.
+ (emit_jump_insn_before_setloc): Likewise.
+ (emit_call_insn_before): Likewise.
+ (emit_call_insn_before_noloc): Likewise.
+ (emit_call_insn_before_setloc): Likewise.
+ (emit_debug_insn_before): Likewise.
+ (emit_debug_insn_before_noloc): Likewise.
+ (emit_debug_insn_before_setloc): Likewise.
+ (emit_label_before): Likewise.
+ (emit_insn_after): Likewise.
+ (emit_insn_after_noloc): Likewise.
+ (emit_insn_after_setloc): Likewise.
+ (emit_jump_insn_after): Likewise.
+ (emit_jump_insn_after_noloc): Likewise.
+ (emit_jump_insn_after_setloc): Likewise.
+ (emit_call_insn_after): Likewise.
+ (emit_call_insn_after_noloc): Likewise.
+ (emit_call_insn_after_setloc): Likewise.
+ (emit_debug_insn_after): Likewise.
+ (emit_debug_insn_after_noloc): Likewise.
+ (emit_debug_insn_after_setloc): Likewise.
+ (emit_label_after): Likewise.
+ (emit_insn): Likewise.
+ (emit_debug_insn): Likewise.
+ (emit_jump_insn): Likewise.
+ (emit_call_insn): Likewise.
+ (emit_label): Likewise.
+ (gen_clobber): Likewise.
+ (emit_clobber): Likewise.
+ (gen_use): Likewise.
+ (emit_use): Likewise.
+ (emit): Likewise.
+
+ (emit_barrier_before): Strengthen return type from rtx to
+ rtx_barrier *.
+ (emit_barrier_after): Likewise.
+ (emit_barrier): Likewise.
+
+ * emit-rtl.c (emit_pattern_before_noloc): Strengthen return type
+ from rtx to rtx_insn *. Add checked casts for now when converting
+ "last" from rtx to rtx_insn *.
+ (emit_insn_before_noloc): Likewise for return type.
+ (emit_jump_insn_before_noloc): Likewise.
+ (emit_call_insn_before_noloc): Likewise.
+ (emit_debug_insn_before_noloc): Likewise.
+ (emit_barrier_before): Strengthen return type and local "insn"
+ from rtx to rtx_barrier *.
+ (emit_label_before): Strengthen return type from rtx to
+ rtx_insn *. Add checked cast for now when returning param
+ (emit_pattern_after_noloc): Strengthen return type from rtx to
+ rtx_insn *. Add checked casts for now when converting "last" from
+ rtx to rtx_insn *.
+ (emit_insn_after_noloc): Strengthen return type from rtx to
+ rtx_insn *.
+ (emit_jump_insn_after_noloc): Likewise.
+ (emit_call_insn_after_noloc): Likewise.
+ (emit_debug_insn_after_noloc): Likewise.
+ (emit_barrier_after): Strengthen return type from rtx to
+ rtx_barrier *.
+ (emit_label_after): Strengthen return type from rtx to rtx_insn *.
+ Add checked cast for now when converting "label" from rtx to
+ rtx_insn *.
+ (emit_pattern_after_setloc): Strengthen return type from rtx to
+ rtx_insn *. Add checked casts for now when converting "last" from
+ rtx to rtx_insn *.
+ (emit_pattern_after): Strengthen return type from rtx to
+ rtx_insn *.
+ (emit_insn_after_setloc): Likewise.
+ (emit_insn_after): Likewise.
+ (emit_jump_insn_after_setloc): Likewise.
+ (emit_jump_insn_after): Likewise.
+ (emit_call_insn_after_setloc): Likewise.
+ (emit_call_insn_after): Likewise.
+ (emit_debug_insn_after_setloc): Likewise.
+ (emit_debug_insn_after): Likewise.
+ (emit_pattern_before_setloc): Likewise. Add checked casts for now
+ when converting "last" from rtx to rtx_insn *.
+ (emit_pattern_before): Strengthen return type from rtx to
+ rtx_insn *.
+ (emit_insn_before_setloc): Likewise.
+ (emit_insn_before): Likewise.
+ (emit_jump_insn_before_setloc): Likewise.
+ (emit_jump_insn_before): Likewise.
+ (emit_call_insn_before_setloc): Likewise.
+ (emit_call_insn_before): Likewise.
+ (emit_debug_insn_before_setloc): Likewise.
+ (emit_debug_insn_before): Likewise.
+ (emit_insn): Strengthen return type and locals "last", "insn",
+ "next" from rtx to rtx_insn *. Add checked cast to rtx_insn
+ within cases where we know we have an insn.
+ (emit_debug_insn): Likewise.
+ (emit_jump_insn): Likewise.
+ (emit_call_insn): Strengthen return type and local "insn" from rtx
+ to rtx_insn *.
+ (emit_label): Strengthen return type from rtx to rtx_insn *. Add
+ a checked cast to rtx_insn * for now on "label".
+ (emit_barrier): Strengthen return type from rtx to rtx_barrier *.
+ (emit_clobber): Strengthen return type from rtx to rtx_insn *.
+ (emit_use): Likewise.
+ (gen_use): Likewise, also for local "seq".
+ (emit): Likewise for return type and local "insn".
+ (rtx_insn): Likewise for return type and local "new_rtx".
+
+ * cfgrtl.c (emit_barrier_after_bb): Strengthen local "barrier"
+ from rtx to rtx_barrier *.
+
+ * config/sh/sh.c (output_stack_adjust): Since emit_insn has
+ changed return type from rtx to rtx_insn *, we must update
+ "emit_fn" type, and this in turn means updating...
+ (frame_insn): ...this. Strengthen return type from rtx to
+ rtx_insn *. Introduce a new local "insn" of the appropriate type.
+
+2014-08-19 David Malcolm <dmalcolm@redhat.com>
+
* emit-rtl.c (emit_jump_table_data): Strengthen return type from
rtx to rtx_jump_table_data *. Also for local.
* rtl.h (emit_jump_table_data): Likewise.
void
emit_barrier_after_bb (basic_block bb)
{
- rtx barrier = emit_barrier_after (BB_END (bb));
+ rtx_barrier *barrier = emit_barrier_after (BB_END (bb));
gcc_assert (current_ir_type () == IR_RTL_CFGRTL
|| current_ir_type () == IR_RTL_CFGLAYOUT);
if (current_ir_type () == IR_RTL_CFGLAYOUT)
static void sh_reorg (void);
static void sh_option_override (void);
static void output_stack_adjust (int, rtx, int, HARD_REG_SET *, bool);
-static rtx frame_insn (rtx);
+static rtx_insn *frame_insn (rtx);
static rtx push (int);
static void pop (int);
static void push_regs (HARD_REG_SET *, int);
output_stack_adjust (int size, rtx reg, int epilogue_p,
HARD_REG_SET *live_regs_mask, bool frame_p)
{
- rtx (*emit_fn) (rtx) = frame_p ? &frame_insn : &emit_insn;
+ rtx_insn *(*emit_fn) (rtx) = frame_p ? &frame_insn : &emit_insn;
if (size)
{
HOST_WIDE_INT align = STACK_BOUNDARY / BITS_PER_UNIT;
/* Emit the specified insn and mark it as frame related.
FIXME: Rename this to emit_frame_insn. */
-static rtx
+static rtx_insn *
frame_insn (rtx x)
{
- x = emit_insn (x);
- RTX_FRAME_RELATED_P (x) = 1;
- return x;
+ rtx_insn *insn = emit_insn (x);
+ RTX_FRAME_RELATED_P (insn) = 1;
+ return insn;
}
/* Output RTL to push register RN onto the stack. */
SEQUENCE rtl results in much fragmented RTL memory since the SEQUENCE
generated would almost certainly die right after it was created. */
-static rtx
+static rtx_insn *
emit_pattern_before_noloc (rtx x, rtx before, rtx last, basic_block bb,
rtx_insn *(*make_raw) (rtx))
{
gcc_assert (before);
if (x == NULL_RTX)
- return last;
+ return safe_as_a <rtx_insn *> (last);
switch (GET_CODE (x))
{
break;
}
- return last;
+ return safe_as_a <rtx_insn *> (last);
}
/* Make X be output before the instruction BEFORE. */
-rtx
+rtx_insn *
emit_insn_before_noloc (rtx x, rtx before, basic_block bb)
{
return emit_pattern_before_noloc (x, before, before, bb, make_insn_raw);
/* Make an instruction with body X and code JUMP_INSN
and output it before the instruction BEFORE. */
-rtx
+rtx_insn *
emit_jump_insn_before_noloc (rtx x, rtx before)
{
return emit_pattern_before_noloc (x, before, NULL_RTX, NULL,
/* Make an instruction with body X and code CALL_INSN
and output it before the instruction BEFORE. */
-rtx
+rtx_insn *
emit_call_insn_before_noloc (rtx x, rtx before)
{
return emit_pattern_before_noloc (x, before, NULL_RTX, NULL,
/* Make an instruction with body X and code DEBUG_INSN
and output it before the instruction BEFORE. */
-rtx
+rtx_insn *
emit_debug_insn_before_noloc (rtx x, rtx before)
{
return emit_pattern_before_noloc (x, before, NULL_RTX, NULL,
/* Make an insn of code BARRIER
and output it before the insn BEFORE. */
-rtx
+rtx_barrier *
emit_barrier_before (rtx before)
{
- rtx insn = rtx_alloc (BARRIER);
+ rtx_barrier *insn = as_a <rtx_barrier *> (rtx_alloc (BARRIER));
INSN_UID (insn) = cur_insn_uid++;
/* Emit the label LABEL before the insn BEFORE. */
-rtx
+rtx_insn *
emit_label_before (rtx label, rtx before)
{
gcc_checking_assert (INSN_UID (label) == 0);
INSN_UID (label) = cur_insn_uid++;
add_insn_before (label, before, NULL);
- return label;
+ return as_a <rtx_insn *> (label);
}
\f
/* Helper for emit_insn_after, handles lists of instructions
return last;
}
-static rtx
+static rtx_insn *
emit_pattern_after_noloc (rtx x, rtx after, basic_block bb,
rtx_insn *(*make_raw)(rtx))
{
gcc_assert (after);
if (x == NULL_RTX)
- return last;
+ return safe_as_a <rtx_insn *> (last);
switch (GET_CODE (x))
{
break;
}
- return last;
+ return safe_as_a <rtx_insn *> (last);
}
/* Make X be output after the insn AFTER and set the BB of insn. If
BB is NULL, an attempt is made to infer the BB from AFTER. */
-rtx
+rtx_insn *
emit_insn_after_noloc (rtx x, rtx after, basic_block bb)
{
return emit_pattern_after_noloc (x, after, bb, make_insn_raw);
/* Make an insn of code JUMP_INSN with body X
and output it after the insn AFTER. */
-rtx
+rtx_insn *
emit_jump_insn_after_noloc (rtx x, rtx after)
{
return emit_pattern_after_noloc (x, after, NULL, make_jump_insn_raw);
/* Make an instruction with body X and code CALL_INSN
and output it after the instruction AFTER. */
-rtx
+rtx_insn *
emit_call_insn_after_noloc (rtx x, rtx after)
{
return emit_pattern_after_noloc (x, after, NULL, make_call_insn_raw);
/* Make an instruction with body X and code CALL_INSN
and output it after the instruction AFTER. */
-rtx
+rtx_insn *
emit_debug_insn_after_noloc (rtx x, rtx after)
{
return emit_pattern_after_noloc (x, after, NULL, make_debug_insn_raw);
/* Make an insn of code BARRIER
and output it after the insn AFTER. */
-rtx
+rtx_barrier *
emit_barrier_after (rtx after)
{
- rtx insn = rtx_alloc (BARRIER);
+ rtx_barrier *insn = as_a <rtx_barrier *> (rtx_alloc (BARRIER));
INSN_UID (insn) = cur_insn_uid++;
/* Emit the label LABEL after the insn AFTER. */
-rtx
+rtx_insn *
emit_label_after (rtx label, rtx after)
{
gcc_checking_assert (INSN_UID (label) == 0);
INSN_UID (label) = cur_insn_uid++;
add_insn_after (label, after, NULL);
- return label;
+ return as_a <rtx_insn *> (label);
}
\f
/* Notes require a bit of special handling: Some notes need to have their
/* Insert PATTERN after AFTER, setting its INSN_LOCATION to LOC.
MAKE_RAW indicates how to turn PATTERN into a real insn. */
-static rtx
+static rtx_insn *
emit_pattern_after_setloc (rtx pattern, rtx after, int loc,
rtx_insn *(*make_raw) (rtx))
{
rtx last = emit_pattern_after_noloc (pattern, after, NULL, make_raw);
if (pattern == NULL_RTX || !loc)
- return last;
+ return safe_as_a <rtx_insn *> (last);
after = NEXT_INSN (after);
while (1)
break;
after = NEXT_INSN (after);
}
- return last;
+ return safe_as_a <rtx_insn *> (last);
}
/* Insert PATTERN after AFTER. MAKE_RAW indicates how to turn PATTERN
into a real insn. SKIP_DEBUG_INSNS indicates whether to insert after
any DEBUG_INSNs. */
-static rtx
+static rtx_insn *
emit_pattern_after (rtx pattern, rtx after, bool skip_debug_insns,
rtx_insn *(*make_raw) (rtx))
{
}
/* Like emit_insn_after_noloc, but set INSN_LOCATION according to LOC. */
-rtx
+rtx_insn *
emit_insn_after_setloc (rtx pattern, rtx after, int loc)
{
return emit_pattern_after_setloc (pattern, after, loc, make_insn_raw);
}
/* Like emit_insn_after_noloc, but set INSN_LOCATION according to AFTER. */
-rtx
+rtx_insn *
emit_insn_after (rtx pattern, rtx after)
{
return emit_pattern_after (pattern, after, true, make_insn_raw);
}
/* Like emit_jump_insn_after_noloc, but set INSN_LOCATION according to LOC. */
-rtx
+rtx_insn *
emit_jump_insn_after_setloc (rtx pattern, rtx after, int loc)
{
return emit_pattern_after_setloc (pattern, after, loc, make_jump_insn_raw);
}
/* Like emit_jump_insn_after_noloc, but set INSN_LOCATION according to AFTER. */
-rtx
+rtx_insn *
emit_jump_insn_after (rtx pattern, rtx after)
{
return emit_pattern_after (pattern, after, true, make_jump_insn_raw);
}
/* Like emit_call_insn_after_noloc, but set INSN_LOCATION according to LOC. */
-rtx
+rtx_insn *
emit_call_insn_after_setloc (rtx pattern, rtx after, int loc)
{
return emit_pattern_after_setloc (pattern, after, loc, make_call_insn_raw);
}
/* Like emit_call_insn_after_noloc, but set INSN_LOCATION according to AFTER. */
-rtx
+rtx_insn *
emit_call_insn_after (rtx pattern, rtx after)
{
return emit_pattern_after (pattern, after, true, make_call_insn_raw);
}
/* Like emit_debug_insn_after_noloc, but set INSN_LOCATION according to LOC. */
-rtx
+rtx_insn *
emit_debug_insn_after_setloc (rtx pattern, rtx after, int loc)
{
return emit_pattern_after_setloc (pattern, after, loc, make_debug_insn_raw);
}
/* Like emit_debug_insn_after_noloc, but set INSN_LOCATION according to AFTER. */
-rtx
+rtx_insn *
emit_debug_insn_after (rtx pattern, rtx after)
{
return emit_pattern_after (pattern, after, false, make_debug_insn_raw);
indicates if PATTERN is meant for an INSN as opposed to a JUMP_INSN,
CALL_INSN, etc. */
-static rtx
+static rtx_insn *
emit_pattern_before_setloc (rtx pattern, rtx before, int loc, bool insnp,
rtx_insn *(*make_raw) (rtx))
{
NULL, make_raw);
if (pattern == NULL_RTX || !loc)
- return last;
+ return safe_as_a <rtx_insn *> (last);
if (!first)
first = get_insns ();
break;
first = NEXT_INSN (first);
}
- return last;
+ return safe_as_a <rtx_insn *> (last);
}
/* Insert PATTERN before BEFORE. MAKE_RAW indicates how to turn PATTERN
before any DEBUG_INSNs. INSNP indicates if PATTERN is meant for an
INSN as opposed to a JUMP_INSN, CALL_INSN, etc. */
-static rtx
+static rtx_insn *
emit_pattern_before (rtx pattern, rtx before, bool skip_debug_insns,
bool insnp, rtx_insn *(*make_raw) (rtx))
{
}
/* Like emit_insn_before_noloc, but set INSN_LOCATION according to LOC. */
-rtx
+rtx_insn *
emit_insn_before_setloc (rtx pattern, rtx before, int loc)
{
return emit_pattern_before_setloc (pattern, before, loc, true,
}
/* Like emit_insn_before_noloc, but set INSN_LOCATION according to BEFORE. */
-rtx
+rtx_insn *
emit_insn_before (rtx pattern, rtx before)
{
return emit_pattern_before (pattern, before, true, true, make_insn_raw);
}
/* like emit_insn_before_noloc, but set INSN_LOCATION according to LOC. */
-rtx
+rtx_insn *
emit_jump_insn_before_setloc (rtx pattern, rtx before, int loc)
{
return emit_pattern_before_setloc (pattern, before, loc, false,
}
/* Like emit_jump_insn_before_noloc, but set INSN_LOCATION according to BEFORE. */
-rtx
+rtx_insn *
emit_jump_insn_before (rtx pattern, rtx before)
{
return emit_pattern_before (pattern, before, true, false,
}
/* Like emit_insn_before_noloc, but set INSN_LOCATION according to LOC. */
-rtx
+rtx_insn *
emit_call_insn_before_setloc (rtx pattern, rtx before, int loc)
{
return emit_pattern_before_setloc (pattern, before, loc, false,
/* Like emit_call_insn_before_noloc,
but set insn_location according to BEFORE. */
-rtx
+rtx_insn *
emit_call_insn_before (rtx pattern, rtx before)
{
return emit_pattern_before (pattern, before, true, false,
}
/* Like emit_insn_before_noloc, but set INSN_LOCATION according to LOC. */
-rtx
+rtx_insn *
emit_debug_insn_before_setloc (rtx pattern, rtx before, int loc)
{
return emit_pattern_before_setloc (pattern, before, loc, false,
/* Like emit_debug_insn_before_noloc,
but set insn_location according to BEFORE. */
-rtx
+rtx_insn *
emit_debug_insn_before (rtx pattern, rtx before)
{
return emit_pattern_before (pattern, before, false, false,
Returns the last insn emitted. */
-rtx
+rtx_insn *
emit_insn (rtx x)
{
- rtx last = get_last_insn ();
- rtx insn;
+ rtx_insn *last = get_last_insn ();
+ rtx_insn *insn;
if (x == NULL_RTX)
return last;
case CODE_LABEL:
case BARRIER:
case NOTE:
- insn = x;
+ insn = as_a <rtx_insn *> (x);
while (insn)
{
- rtx next = NEXT_INSN (insn);
+ rtx_insn *next = NEXT_INSN (insn);
add_insn (insn);
last = insn;
insn = next;
/* Make an insn of code DEBUG_INSN with pattern X
and add it to the end of the doubly-linked list. */
-rtx
+rtx_insn *
emit_debug_insn (rtx x)
{
- rtx last = get_last_insn ();
- rtx insn;
+ rtx_insn *last = get_last_insn ();
+ rtx_insn *insn;
if (x == NULL_RTX)
return last;
case CODE_LABEL:
case BARRIER:
case NOTE:
- insn = x;
+ insn = as_a <rtx_insn *> (x);
while (insn)
{
- rtx next = NEXT_INSN (insn);
+ rtx_insn *next = NEXT_INSN (insn);
add_insn (insn);
last = insn;
insn = next;
/* Make an insn of code JUMP_INSN with pattern X
and add it to the end of the doubly-linked list. */
-rtx
+rtx_insn *
emit_jump_insn (rtx x)
{
- rtx last = NULL_RTX, insn;
+ rtx_insn *last = NULL;
+ rtx_insn *insn;
switch (GET_CODE (x))
{
case CODE_LABEL:
case BARRIER:
case NOTE:
- insn = x;
+ insn = as_a <rtx_insn *> (x);
while (insn)
{
- rtx next = NEXT_INSN (insn);
+ rtx_insn *next = NEXT_INSN (insn);
add_insn (insn);
last = insn;
insn = next;
/* Make an insn of code CALL_INSN with pattern X
and add it to the end of the doubly-linked list. */
-rtx
+rtx_insn *
emit_call_insn (rtx x)
{
- rtx insn;
+ rtx_insn *insn;
switch (GET_CODE (x))
{
/* Add the label LABEL to the end of the doubly-linked list. */
-rtx
+rtx_insn *
emit_label (rtx label)
{
gcc_checking_assert (INSN_UID (label) == 0);
INSN_UID (label) = cur_insn_uid++;
add_insn (label);
- return label;
+ return as_a <rtx_insn *> (label);
}
/* Make an insn of code JUMP_TABLE_DATA
/* Make an insn of code BARRIER
and add it to the end of the doubly-linked list. */
-rtx
+rtx_barrier *
emit_barrier (void)
{
- rtx barrier = rtx_alloc (BARRIER);
+ rtx_barrier *barrier = as_a <rtx_barrier *> (rtx_alloc (BARRIER));
INSN_UID (barrier) = cur_insn_uid++;
add_insn (barrier);
return barrier;
/* Emit a clobber of lvalue X. */
-rtx
+rtx_insn *
emit_clobber (rtx x)
{
/* CONCATs should not appear in the insn stream. */
/* Return a sequence of insns to clobber lvalue X. */
-rtx
+rtx_insn *
gen_clobber (rtx x)
{
- rtx seq;
+ rtx_insn *seq;
start_sequence ();
emit_clobber (x);
/* Emit a use of rvalue X. */
-rtx
+rtx_insn *
emit_use (rtx x)
{
/* CONCATs should not appear in the insn stream. */
/* Return a sequence of insns to use rvalue X. */
-rtx
+rtx_insn *
gen_use (rtx x)
{
- rtx seq;
+ rtx_insn *seq;
start_sequence ();
emit_use (x);
/* Emit the rtl pattern X as an appropriate kind of insn.
If X is a label, it is simply added into the insn chain. */
-rtx
+rtx_insn *
emit (rtx x)
{
enum rtx_code code = classify_insn (x);
return emit_insn (x);
case JUMP_INSN:
{
- rtx insn = emit_jump_insn (x);
+ rtx_insn *insn = emit_jump_insn (x);
if (any_uncondjump_p (insn) || GET_CODE (x) == RETURN)
return emit_barrier ();
return insn;
/* Produce exact duplicate of insn INSN after AFTER.
Care updating of libcall regions if present. */
-rtx
+rtx_insn *
emit_copy_of_insn_after (rtx insn, rtx after)
{
- rtx new_rtx, link;
+ rtx_insn *new_rtx;
+ rtx link;
switch (GET_CODE (insn))
{
extern rtx copy_insn (rtx);
extern rtx copy_delay_slot_insn (rtx);
extern rtx gen_int_mode (HOST_WIDE_INT, enum machine_mode);
-extern rtx emit_copy_of_insn_after (rtx, rtx);
+extern rtx_insn *emit_copy_of_insn_after (rtx, rtx);
extern void set_reg_attrs_from_value (rtx, rtx);
extern void set_reg_attrs_for_parm (rtx, rtx);
extern void set_reg_attrs_for_decl_rtl (tree t, rtx x);
extern rtx assign_temp (tree, int, int);
/* In emit-rtl.c */
-extern rtx emit_insn_before (rtx, rtx);
-extern rtx emit_insn_before_noloc (rtx, rtx, basic_block);
-extern rtx emit_insn_before_setloc (rtx, rtx, int);
-extern rtx emit_jump_insn_before (rtx, rtx);
-extern rtx emit_jump_insn_before_noloc (rtx, rtx);
-extern rtx emit_jump_insn_before_setloc (rtx, rtx, int);
-extern rtx emit_call_insn_before (rtx, rtx);
-extern rtx emit_call_insn_before_noloc (rtx, rtx);
-extern rtx emit_call_insn_before_setloc (rtx, rtx, int);
-extern rtx emit_debug_insn_before (rtx, rtx);
-extern rtx emit_debug_insn_before_noloc (rtx, rtx);
-extern rtx emit_debug_insn_before_setloc (rtx, rtx, int);
-extern rtx emit_barrier_before (rtx);
-extern rtx emit_label_before (rtx, rtx);
+extern rtx_insn *emit_insn_before (rtx, rtx);
+extern rtx_insn *emit_insn_before_noloc (rtx, rtx, basic_block);
+extern rtx_insn *emit_insn_before_setloc (rtx, rtx, int);
+extern rtx_insn *emit_jump_insn_before (rtx, rtx);
+extern rtx_insn *emit_jump_insn_before_noloc (rtx, rtx);
+extern rtx_insn *emit_jump_insn_before_setloc (rtx, rtx, int);
+extern rtx_insn *emit_call_insn_before (rtx, rtx);
+extern rtx_insn *emit_call_insn_before_noloc (rtx, rtx);
+extern rtx_insn *emit_call_insn_before_setloc (rtx, rtx, int);
+extern rtx_insn *emit_debug_insn_before (rtx, rtx);
+extern rtx_insn *emit_debug_insn_before_noloc (rtx, rtx);
+extern rtx_insn *emit_debug_insn_before_setloc (rtx, rtx, int);
+extern rtx_barrier *emit_barrier_before (rtx);
+extern rtx_insn *emit_label_before (rtx, rtx);
extern rtx_note *emit_note_before (enum insn_note, rtx);
-extern rtx emit_insn_after (rtx, rtx);
-extern rtx emit_insn_after_noloc (rtx, rtx, basic_block);
-extern rtx emit_insn_after_setloc (rtx, rtx, int);
-extern rtx emit_jump_insn_after (rtx, rtx);
-extern rtx emit_jump_insn_after_noloc (rtx, rtx);
-extern rtx emit_jump_insn_after_setloc (rtx, rtx, int);
-extern rtx emit_call_insn_after (rtx, rtx);
-extern rtx emit_call_insn_after_noloc (rtx, rtx);
-extern rtx emit_call_insn_after_setloc (rtx, rtx, int);
-extern rtx emit_debug_insn_after (rtx, rtx);
-extern rtx emit_debug_insn_after_noloc (rtx, rtx);
-extern rtx emit_debug_insn_after_setloc (rtx, rtx, int);
-extern rtx emit_barrier_after (rtx);
-extern rtx emit_label_after (rtx, rtx);
+extern rtx_insn *emit_insn_after (rtx, rtx);
+extern rtx_insn *emit_insn_after_noloc (rtx, rtx, basic_block);
+extern rtx_insn *emit_insn_after_setloc (rtx, rtx, int);
+extern rtx_insn *emit_jump_insn_after (rtx, rtx);
+extern rtx_insn *emit_jump_insn_after_noloc (rtx, rtx);
+extern rtx_insn *emit_jump_insn_after_setloc (rtx, rtx, int);
+extern rtx_insn *emit_call_insn_after (rtx, rtx);
+extern rtx_insn *emit_call_insn_after_noloc (rtx, rtx);
+extern rtx_insn *emit_call_insn_after_setloc (rtx, rtx, int);
+extern rtx_insn *emit_debug_insn_after (rtx, rtx);
+extern rtx_insn *emit_debug_insn_after_noloc (rtx, rtx);
+extern rtx_insn *emit_debug_insn_after_setloc (rtx, rtx, int);
+extern rtx_barrier *emit_barrier_after (rtx);
+extern rtx_insn *emit_label_after (rtx, rtx);
extern rtx_note *emit_note_after (enum insn_note, rtx);
-extern rtx emit_insn (rtx);
-extern rtx emit_debug_insn (rtx);
-extern rtx emit_jump_insn (rtx);
-extern rtx emit_call_insn (rtx);
-extern rtx emit_label (rtx);
+extern rtx_insn *emit_insn (rtx);
+extern rtx_insn *emit_debug_insn (rtx);
+extern rtx_insn *emit_jump_insn (rtx);
+extern rtx_insn *emit_call_insn (rtx);
+extern rtx_insn *emit_label (rtx);
extern rtx_jump_table_data *emit_jump_table_data (rtx);
-extern rtx emit_barrier (void);
+extern rtx_barrier *emit_barrier (void);
extern rtx_note *emit_note (enum insn_note);
extern rtx_note *emit_note_copy (rtx_note *);
-extern rtx gen_clobber (rtx);
-extern rtx emit_clobber (rtx);
-extern rtx gen_use (rtx);
-extern rtx emit_use (rtx);
+extern rtx_insn *gen_clobber (rtx);
+extern rtx_insn *emit_clobber (rtx);
+extern rtx_insn *gen_use (rtx);
+extern rtx_insn *emit_use (rtx);
extern rtx_insn *make_insn_raw (rtx);
extern void add_function_usage_to (rtx, rtx);
extern rtx_call_insn *last_call_insn (void);
extern void add_insn_before (rtx, rtx, basic_block);
extern void add_insn_after (rtx, rtx, basic_block);
extern void remove_insn (rtx);
-extern rtx emit (rtx);
+extern rtx_insn *emit (rtx);
extern void delete_insn (rtx);
extern rtx_insn *entry_of_function (void);
extern void emit_insn_at_entry (rtx);