/* Procedure integration for GNU CC.
- Copyright (C) 1988, 1991, 1993, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1988, 91, 93, 94, 95, 1996 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com)
This file is part of GNU CC.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
#include <stdio.h>
#include "config.h"
#include "rtl.h"
#include "tree.h"
+#include "regs.h"
#include "flags.h"
#include "insn-config.h"
#include "insn-flags.h"
#include "output.h"
#include "integrate.h"
#include "real.h"
+#include "except.h"
#include "function.h"
#include "bytecode.h"
static rtx copy_for_inline PROTO((rtx));
static void integrate_parm_decls PROTO((tree, struct inline_remap *, rtvec));
static void integrate_decl_tree PROTO((tree, int, struct inline_remap *));
+static void save_constants_in_decl_trees PROTO ((tree));
static void subst_constants PROTO((rtx *, rtx, struct inline_remap *));
static void restore_constants PROTO((rtx *));
static void set_block_origin_self PROTO((tree));
return "function too large to be inline";
#if 0
- /* Large stacks are OK now that inlined functions can share them. */
- /* Don't inline functions with large stack usage,
- since they can make other recursive functions burn up stack. */
- if (!DECL_INLINE (fndecl) && get_frame_size () > 100)
- return "function stack frame for inlining";
-#endif
-
-#if 0
/* Don't inline functions which do not specify a function prototype and
have BLKmode argument or take the address of a parameter. */
for (parms = DECL_ARGUMENTS (fndecl); parms; parms = TREE_CHAIN (parms))
if (!DECL_INLINE (fndecl) && get_max_uid () > max_insns)
{
- for (ninsns = 0, insn = get_first_nonparm_insn (); insn && ninsns < max_insns;
+ for (ninsns = 0, insn = get_first_nonparm_insn ();
+ insn && ninsns < max_insns;
insn = NEXT_INSN (insn))
- {
- if (GET_RTX_CLASS (GET_CODE (insn)) == 'i')
- ninsns++;
- }
+ if (GET_RTX_CLASS (GET_CODE (insn)) == 'i')
+ ninsns++;
if (ninsns >= max_insns)
return "function too large to be inline";
if (current_function_has_nonlocal_goto)
return "function with nonlocal goto cannot be inline";
+ /* This is a hack, until the inliner is taught about eh regions at
+ the start of the function. */
+ for (insn = get_insns ();
+ insn &&
+ ! (GET_CODE (insn) == NOTE
+ && NOTE_LINE_NUMBER (insn) == NOTE_INSN_FUNCTION_BEG);
+ insn = NEXT_INSN (insn))
+ {
+ if (insn && GET_CODE (insn) == NOTE
+ && NOTE_LINE_NUMBER (insn) == NOTE_INSN_EH_REGION_BEG)
+ return "function with complex parameters cannot be inline";
+ }
+
return 0;
}
\f
the size of the incoming stack area for parameters,
the number of bytes popped on return,
the stack slot list,
+ the labels that are forced to exist,
some flags that are used to restore compiler globals,
the value of current_function_outgoing_args_size,
the original argument vector,
- and the original DECL_INITIAL. */
+ the original DECL_INITIAL,
+ and pointers to the table of psuedo regs, pointer flags, and alignment. */
return gen_inline_header_rtx (NULL_RTX, NULL_RTX, min_labelno, max_labelno,
max_parm_reg, max_reg,
current_function_args_size,
current_function_pops_args,
- stack_slot_list, function_flags,
+ stack_slot_list, forced_labels, function_flags,
current_function_outgoing_args_size,
- arg_vector, (rtx) DECL_INITIAL (fndecl));
+ arg_vector, (rtx) DECL_INITIAL (fndecl),
+ (rtvec) regno_reg_rtx, regno_pointer_flag,
+ regno_pointer_align);
}
/* Subroutine for `save_for_inline{copying,nocopy}'. Finishes up the
tree fndecl;
rtx head;
{
- NEXT_INSN (head) = get_first_nonparm_insn ();
+ FIRST_FUNCTION_INSN (head) = get_first_nonparm_insn ();
FIRST_PARM_INSN (head) = get_insns ();
DECL_SAVED_INSNS (fndecl) = head;
DECL_FRAME_SIZE (fndecl) = get_frame_size ();
- DECL_INLINE (fndecl) = 1;
}
/* Adjust the BLOCK_END_NOTE pointers in a given copied DECL tree so that
compiled. Our caller (rest_of_compilation) saves the original
DECL_INITIAL and DECL_ARGUMENTS; here we copy them. */
+/* ??? The nonlocal_label list should be adjusted also. However, since
+ a function that contains a nested function never gets inlined currently,
+ the nonlocal_label list will always be empty, so we don't worry about
+ it for now. */
+
void
save_for_inline_copying (fndecl)
tree fndecl;
int max_reg;
int max_uid;
rtx first_nonparm_insn;
+ char *new, *new1;
/* Make and emit a return-label if we have not already done so.
- Do this before recording the bounds on label numbers. */
+ Do this before recording the bounds on label numbers. */
if (return_label == 0)
{
save_constants (®_NOTES (insn));
}
+ /* Also scan all decls, and replace any constant pool references with the
+ actual constant. */
+ save_constants_in_decl_trees (DECL_INITIAL (fndecl));
+
/* Clear out the constant pool so that we can recreate it with the
copied constants below. */
init_const_rtx_hash_table ();
Make these new rtx's now, and install them in regno_reg_rtx, so they
will be the official pseudo-reg rtx's for the rest of compilation. */
- reg_map = (rtx *) alloca ((max_reg + 1) * sizeof (rtx));
+ reg_map = (rtx *) savealloc (regno_pointer_flag_length * sizeof (rtx));
len = sizeof (struct rtx_def) + (GET_RTX_LENGTH (REG) - 1) * sizeof (rtunion);
for (i = max_reg - 1; i > LAST_VIRTUAL_REGISTER; i--)
reg_map[i] = (rtx)obstack_copy (function_maybepermanent_obstack,
regno_reg_rtx[i], len);
- bcopy ((char *) (reg_map + LAST_VIRTUAL_REGISTER + 1),
- (char *) (regno_reg_rtx + LAST_VIRTUAL_REGISTER + 1),
- (max_reg - (LAST_VIRTUAL_REGISTER + 1)) * sizeof (rtx));
+ regno_reg_rtx = reg_map;
+
+ /* Put copies of all the virtual register rtx into the new regno_reg_rtx. */
+ regno_reg_rtx[VIRTUAL_INCOMING_ARGS_REGNUM] = virtual_incoming_args_rtx;
+ regno_reg_rtx[VIRTUAL_STACK_VARS_REGNUM] = virtual_stack_vars_rtx;
+ regno_reg_rtx[VIRTUAL_STACK_DYNAMIC_REGNUM] = virtual_stack_dynamic_rtx;
+ regno_reg_rtx[VIRTUAL_OUTGOING_ARGS_REGNUM] = virtual_outgoing_args_rtx;
/* Likewise each label rtx must have a unique rtx as its copy. */
NOTE_SOURCE_FILE (insn) = (char *) copy;
NOTE_SOURCE_FILE (copy) = 0;
}
+ if (NOTE_LINE_NUMBER (copy) == NOTE_INSN_EH_REGION_BEG
+ || NOTE_LINE_NUMBER (copy) == NOTE_INSN_EH_REGION_END)
+ {
+ /* We have to forward these both to match the new exception
+ region. */
+ NOTE_BLOCK_NUMBER (copy)
+ = CODE_LABEL_NUMBER (label_map[NOTE_BLOCK_NUMBER (copy)]);
+
+ }
+ RTX_INTEGRATED_P (copy) = RTX_INTEGRATED_P (insn);
break;
case INSN:
finish_inline (fndecl, head);
+ /* Make new versions of the register tables. */
+ new = (char *) savealloc (regno_pointer_flag_length);
+ bcopy (regno_pointer_flag, new, regno_pointer_flag_length);
+ new1 = (char *) savealloc (regno_pointer_flag_length);
+ bcopy (regno_pointer_align, new1, regno_pointer_flag_length);
+
+ regno_pointer_flag = new;
+ regno_pointer_align = new1;
+
set_new_first_and_last_insn (first_insn, last_insn);
}
BLOCK_VARS (t) = vars;
BLOCK_SUBBLOCKS (t) = nreverse (subblocks);
/* If the BLOCK being cloned is already marked as having been instantiated
- from something else, then leave that `origin' marking alone. Elsewise,
+ from something else, then leave that `origin' marking alone. Otherwise,
mark the clone as having originated from the BLOCK we are cloning. */
if (BLOCK_ABSTRACT_ORIGIN (t) == NULL_TREE)
BLOCK_ABSTRACT_ORIGIN (t) = block;
modified. In the second case, FNDECL is used for the last time,
so modifying the rtl is not a problem.
- ??? Actually, we do not verify that FNDECL is not inline expanded
- by other functions which must also be written down at the end
- of compilation. We could set flag_no_inline to nonzero when
- the time comes to write down such functions. */
+ We don't have to worry about FNDECL being inline expanded by
+ other functions which are written at the end of compilation
+ because flag_no_inline is turned on when we begin writing
+ functions at the end of compilation. */
void
save_for_inline_nocopy (fndecl)
}
}
+ /* Also scan all decls, and replace any constant pool references with the
+ actual constant. */
+ save_constants_in_decl_trees (DECL_INITIAL (fndecl));
+
/* We have now allocated all that needs to be allocated permanently
on the rtx obstack. Set our high-water mark, so that we
can free the rest of this when the time comes. */
{
register int j;
- XVEC (x, i) = gen_rtvec_v (XVECLEN (x, i), &XVECEXP (x, i, 0));
+ XVEC (x, i) = gen_rtvec_vv (XVECLEN (x, i), XVEC (x, i)->elem);
for (j = 0; j < XVECLEN (x, i); j++)
XVECEXP (x, i, j)
= copy_for_inline (XVECEXP (x, i, j));
else an rtx for where the value is stored. */
rtx
-expand_inline_function (fndecl, parms, target, ignore, type, structure_value_addr)
+expand_inline_function (fndecl, parms, target, ignore, type,
+ structure_value_addr)
tree fndecl, parms;
rtx target;
int ignore;
passed. Since the appropriate conversions or default promotions have
already been applied, the machine modes should match exactly. */
- for (formal = DECL_ARGUMENTS (fndecl),
- actual = parms;
+ for (formal = DECL_ARGUMENTS (fndecl), actual = parms;
formal;
- formal = TREE_CHAIN (formal),
- actual = TREE_CHAIN (actual))
+ formal = TREE_CHAIN (formal), actual = TREE_CHAIN (actual))
{
tree arg;
enum machine_mode mode;
return (rtx) (HOST_WIDE_INT) -1;
arg = TREE_VALUE (actual);
- mode= TYPE_MODE (DECL_ARG_TYPE (formal));
+ mode = TYPE_MODE (DECL_ARG_TYPE (formal));
if (mode != TYPE_MODE (TREE_TYPE (arg))
/* If they are block mode, the types should match exactly.
They don't match exactly if TREE_TYPE (FORMAL) == ERROR_MARK_NODE,
which could happen if the parameter has incomplete type. */
- || (mode == BLKmode && TREE_TYPE (arg) != TREE_TYPE (formal)))
+ || (mode == BLKmode
+ && (TYPE_MAIN_VARIANT (TREE_TYPE (arg))
+ != TYPE_MAIN_VARIANT (TREE_TYPE (formal)))))
return (rtx) (HOST_WIDE_INT) -1;
}
/* Make a fresh binding contour that we can easily remove. */
pushlevel (0);
expand_start_bindings (0);
- if (GET_CODE (parm_insns) == NOTE
- && NOTE_LINE_NUMBER (parm_insns) > 0)
- {
- rtx note = emit_note (NOTE_SOURCE_FILE (parm_insns),
- NOTE_LINE_NUMBER (parm_insns));
- if (note)
- RTX_INTEGRATED_P (note) = 1;
- }
/* Expand the function arguments. Do this first so that any
new registers get created before we allocate the maps. */
enum machine_mode mode = TYPE_MODE (TREE_TYPE (formal));
int invisiref = 0;
- /* Make sure this formal has some correspondence in the users code
- * before emitting any line notes for it. */
- if (DECL_SOURCE_LINE (formal))
- {
- rtx note = emit_note (DECL_SOURCE_FILE (formal),
- DECL_SOURCE_LINE (formal));
- if (note)
- RTX_INTEGRATED_P (note) = 1;
- }
-
arg_trees[i] = arg;
loc = RTVEC_ELT (arg_vector, i);
handle SUBREGs in addresses. */
|| (GET_CODE (arg_vals[i]) == SUBREG)))
arg_vals[i] = copy_to_mode_reg (GET_MODE (loc), arg_vals[i]);
+
+ if (arg_vals[i] != 0 && GET_CODE (arg_vals[i]) == REG
+ && TREE_CODE (TREE_TYPE (formal)) == POINTER_TYPE)
+ mark_reg_pointer (arg_vals[i],
+ (TYPE_ALIGN (TREE_TYPE (TREE_TYPE (formal)))
+ / BITS_PER_UNIT));
}
/* Allocate the structures we use to remap things. */
and argument memory blocks. */
map->insns_at_start = get_last_insn ();
+ map->regno_pointer_flag = INLINE_REGNO_POINTER_FLAG (header);
+ map->regno_pointer_align = INLINE_REGNO_POINTER_ALIGN (header);
+
/* Update the outgoing argument size to allow for those in the inlined
function. */
if (OUTGOING_ARGS_SIZE (header) > current_function_outgoing_args_size)
if (FUNCTION_FLAGS (header) & FUNCTION_FLAGS_NEEDS_CONTEXT)
static_chain_value = lookup_static_chain (fndecl);
+ if (GET_CODE (parm_insns) == NOTE
+ && NOTE_LINE_NUMBER (parm_insns) > 0)
+ {
+ rtx note = emit_note (NOTE_SOURCE_FILE (parm_insns),
+ NOTE_LINE_NUMBER (parm_insns));
+ if (note)
+ RTX_INTEGRATED_P (note) = 1;
+ }
+
/* Process each argument. For each, set up things so that the function's
reference to the argument will refer to the argument being passed.
We only replace REG with REG here. Any simplifications are done
that flag set if it is a register.
Also, don't allow hard registers here; they might not be valid
- when substituted into insns. */
+ when substituted into insns. */
if ((GET_CODE (copy) != REG && GET_CODE (copy) != SUBREG)
|| (GET_CODE (copy) == REG && REG_USERVAR_P (loc)
that flag set if it is a register.
Also, don't allow hard registers here; they might not be valid
- when substituted into insns. */
+ when substituted into insns. */
rtx locreal = gen_realpart (GET_MODE (XEXP (loc, 0)), loc);
rtx locimag = gen_imagpart (GET_MODE (XEXP (loc, 0)), loc);
rtx copyreal = gen_realpart (GET_MODE (locreal), copy);
if (GET_CODE (XEXP (loc, 0)) == REG)
{
- temp = force_reg (Pmode, structure_value_addr);
+ temp = force_reg (Pmode,
+ force_operand (structure_value_addr, NULL_RTX));
map->reg_map[REGNO (XEXP (loc, 0))] = temp;
if ((CONSTANT_P (structure_value_addr)
|| (GET_CODE (structure_value_addr) == PLUS
avoid machine mode mismatch when we substitute INLINE_TARGET.
But TARGET is what we will return to the caller. */
if (arriving_mode != departing_mode)
- reg_to_map = gen_rtx (SUBREG, arriving_mode, target, 0);
+ {
+ /* Avoid creating a paradoxical subreg wider than
+ BITS_PER_WORD, since that is illegal. */
+ if (GET_MODE_BITSIZE (arriving_mode) > BITS_PER_WORD)
+ {
+ if (!TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (departing_mode),
+ GET_MODE_BITSIZE (arriving_mode)))
+ /* Maybe could be handled by using convert_move () ? */
+ abort ();
+ reg_to_map = gen_reg_rtx (arriving_mode);
+ target = gen_lowpart (departing_mode, reg_to_map);
+ }
+ else
+ reg_to_map = gen_rtx (SUBREG, arriving_mode, target, 0);
+ }
else
reg_to_map = target;
SET_DEST (new_set)
= gen_reg_rtx (GET_MODE (SET_DEST (new_set)));
}
+ /* If the source and destination are the same and it
+ has a note on it, keep the insn. */
+ else if (rtx_equal_p (SET_DEST (set), SET_SRC (set))
+ && REG_NOTES (insn) != 0)
+ copy = emit_insn (copy_rtx_and_substitute (pattern, map));
else
break;
}
if (NOTE_LINE_NUMBER (insn) != NOTE_INSN_FUNCTION_END
&& NOTE_LINE_NUMBER (insn) != NOTE_INSN_FUNCTION_BEG
&& NOTE_LINE_NUMBER (insn) != NOTE_INSN_DELETED)
- copy = emit_note (NOTE_SOURCE_FILE (insn), NOTE_LINE_NUMBER (insn));
+ {
+ copy = emit_note (NOTE_SOURCE_FILE (insn), NOTE_LINE_NUMBER (insn));
+ if (copy && (NOTE_LINE_NUMBER (copy) == NOTE_INSN_EH_REGION_BEG
+ || NOTE_LINE_NUMBER (copy) == NOTE_INSN_EH_REGION_END))
+ {
+ rtx label = map->label_map[NOTE_BLOCK_NUMBER (copy)];
+
+ /* We have to forward these both to match the new exception
+ region. */
+ NOTE_BLOCK_NUMBER (copy) = CODE_LABEL_NUMBER (label);
+ }
+ }
else
copy = 0;
break;
}
}
}
+
+/* Given a BLOCK node LET, search for all DECL_RTL fields, and pass them
+ through save_constants. */
+
+static void
+save_constants_in_decl_trees (let)
+ tree let;
+{
+ tree t;
+
+ for (t = BLOCK_VARS (let); t; t = TREE_CHAIN (t))
+ if (DECL_RTL (t) != 0)
+ save_constants (&DECL_RTL (t));
+
+ for (t = BLOCK_SUBBLOCKS (let); t; t = TREE_CHAIN (t))
+ save_constants_in_decl_trees (t);
+}
\f
/* Create a new copy of an rtx.
Recursively copies the operands of the rtx,
map->reg_map[regno] = temp
= force_reg (Pmode, force_operand (loc, NULL_RTX));
+#ifdef STACK_BOUNDARY
+ mark_reg_pointer (map->reg_map[regno],
+ STACK_BOUNDARY / BITS_PER_UNIT);
+#endif
+
if (REGNO (temp) < map->const_equiv_map_size)
{
map->const_equiv_map[REGNO (temp)] = loc;
else if (regno == VIRTUAL_INCOMING_ARGS_REGNUM)
{
/* Do the same for a block to contain any arguments referenced
- in memory. */
+ in memory. */
rtx loc, seq;
int size = FUNCTION_ARGS_SIZE (DECL_SAVED_INSNS (map->fndecl));
loc = XEXP (loc, 0);
/* When arguments grow downward, the virtual incoming
args pointer points to the top of the argument block,
- so the remapped location better do the same. */
+ so the remapped location better do the same. */
#ifdef ARGS_GROW_DOWNWARD
loc = plus_constant (loc, size);
#endif
map->reg_map[regno] = temp
= force_reg (Pmode, force_operand (loc, NULL_RTX));
+#ifdef STACK_BOUNDARY
+ mark_reg_pointer (map->reg_map[regno],
+ STACK_BOUNDARY / BITS_PER_UNIT);
+#endif
+
if (REGNO (temp) < map->const_equiv_map_size)
{
map->const_equiv_map[REGNO (temp)] = loc;
REG_LOOP_TEST_P (map->reg_map[regno]) = REG_LOOP_TEST_P (orig);
RTX_UNCHANGING_P (map->reg_map[regno]) = RTX_UNCHANGING_P (orig);
/* A reg with REG_FUNCTION_VALUE_P true will never reach here. */
+
+ if (map->regno_pointer_flag[regno])
+ mark_reg_pointer (map->reg_map[regno],
+ map->regno_pointer_align[regno]);
}
return map->reg_map[regno];
&& CODE_LABEL_NUMBER (XEXP (copy, 0)) < max_label_num ()));
/* If we have made a nonlocal label local, it means that this
- inlined call will be refering to our nonlocal goto handler.
+ inlined call will be referring to our nonlocal goto handler.
So make sure we create one for this block; we normally would
not since this is not otherwise considered a "call". */
if (LABEL_REF_NONLOCAL_P (orig) && ! LABEL_REF_NONLOCAL_P (copy))
/* Legitimizing the address here is incorrect.
The only ADDRESS rtx's that can reach here are ones created by
- save_constants. Hence the operand of the ADDRESS is always legal
+ save_constants. Hence the operand of the ADDRESS is always valid
in this position of the instruction, since the original rtx without
- the ADDRESS was legal.
+ the ADDRESS was valid.
The reason we don't legitimize the address here is that on the
Sparc, the caller may have a (high ...) surrounding this ADDRESS.
will not have valid reg_map entries. This can cause try_constants()
to fail because assumes that all registers in the rtx have valid
reg_map entries, and it may end up replacing one of these new
- registers with junk. */
+ registers with junk. */
if (! memory_address_p (GET_MODE (temp), XEXP (temp, 0)))
temp = change_address (temp, GET_MODE (temp), XEXP (temp, 0));
src = SET_SRC (x);
while (GET_CODE (*dest_loc) == ZERO_EXTRACT
- /* By convention, we always use ZERO_EXTRACT in the dest. */
-/* || GET_CODE (*dest_loc) == SIGN_EXTRACT */
|| GET_CODE (*dest_loc) == SUBREG
|| GET_CODE (*dest_loc) == STRICT_LOW_PART)
{
for (arg = DECL_ARGUMENTS (decl); arg; arg = TREE_CHAIN (arg))
DECL_ABSTRACT_ORIGIN (arg) = arg;
- if (DECL_INITIAL (decl) != NULL_TREE)
+ if (DECL_INITIAL (decl) != NULL_TREE
+ && DECL_INITIAL (decl) != error_mark_node)
set_block_origin_self (DECL_INITIAL (decl));
}
}
register tree stmt;
register int setting;
{
- BLOCK_ABSTRACT (stmt) = setting;
-
- {
- register tree local_decl;
+ register tree local_decl;
+ register tree subblock;
- for (local_decl = BLOCK_VARS (stmt);
- local_decl != NULL_TREE;
- local_decl = TREE_CHAIN (local_decl))
- set_decl_abstract_flags (local_decl, setting);
- }
+ BLOCK_ABSTRACT (stmt) = setting;
- {
- register tree subblock;
+ for (local_decl = BLOCK_VARS (stmt);
+ local_decl != NULL_TREE;
+ local_decl = TREE_CHAIN (local_decl))
+ set_decl_abstract_flags (local_decl, setting);
- for (subblock = BLOCK_SUBBLOCKS (stmt);
- subblock != NULL_TREE;
- subblock = BLOCK_CHAIN (subblock))
- set_block_abstract_flags (subblock, setting);
- }
+ for (subblock = BLOCK_SUBBLOCKS (stmt);
+ subblock != NULL_TREE;
+ subblock = BLOCK_CHAIN (subblock))
+ set_block_abstract_flags (subblock, setting);
}
/* Given a pointer to some ..._DECL node, and a boolean value to set the
for (arg = DECL_ARGUMENTS (decl); arg; arg = TREE_CHAIN (arg))
DECL_ABSTRACT (arg) = setting;
- if (DECL_INITIAL (decl) != NULL_TREE)
+ if (DECL_INITIAL (decl) != NULL_TREE
+ && DECL_INITIAL (decl) != error_mark_node)
set_block_abstract_flags (DECL_INITIAL (decl), setting);
}
}
{
rtx head;
rtx last;
+ int save_flag_no_inline = flag_no_inline;
if (output_bytecode)
{
return;
}
+ /* Things we allocate from here on are part of this function, not
+ permanent. */
+ temporary_allocation ();
+
head = DECL_SAVED_INSNS (fndecl);
current_function_decl = fndecl;
/* Set stack frame size. */
assign_stack_local (BLKmode, DECL_FRAME_SIZE (fndecl), 0);
- restore_reg_data (FIRST_PARM_INSN (head));
-
+ /* The first is a bit of a lie (the array may be larger), but doesn't
+ matter too much and it isn't worth saving the actual bound. */
+ reg_rtx_no = regno_pointer_flag_length = MAX_REGNUM (head);
+ regno_reg_rtx = (rtx *) INLINE_REGNO_REG_RTX (head);
+ regno_pointer_flag = INLINE_REGNO_POINTER_FLAG (head);
+ regno_pointer_align = INLINE_REGNO_POINTER_ALIGN (head);
+
stack_slot_list = STACK_SLOT_LIST (head);
+ forced_labels = FORCED_LABELS (head);
if (FUNCTION_FLAGS (head) & FUNCTION_FLAGS_CALLS_ALLOCA)
current_function_calls_alloca = 1;
current_function_outgoing_args_size = OUTGOING_ARGS_SIZE (head);
current_function_pops_args = POPS_ARGS (head);
- /* There is no need to output a return label again. */
- return_label = 0;
-
- expand_function_end (DECL_SOURCE_FILE (fndecl), DECL_SOURCE_LINE (fndecl), 0);
+ /* This is the only thing the expand_function_end call that uses to be here
+ actually does and that call can cause problems. */
+ immediate_size_expand--;
/* Find last insn and rebuild the constant pool. */
for (last = FIRST_PARM_INSN (head);
/* We're not deferring this any longer. */
DECL_DEFER_OUTPUT (fndecl) = 0;
+ /* Integrating function calls isn't safe anymore, so turn on
+ flag_no_inline. */
+ flag_no_inline = 1;
+
/* Compile this function all the way down to assembly code. */
rest_of_compilation (fndecl);
+ /* Reset flag_no_inline to its original value. */
+ flag_no_inline = save_flag_no_inline;
+
current_function_decl = 0;
}
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