/* Definitions for code generation pass of GNU compiler.
Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
This file is part of GCC.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#ifndef GCC_EXPR_H
#define GCC_EXPR_H
#include "rtl.h"
/* For optimize_size */
#include "flags.h"
-/* For host_integerp, tree_low_cst, convert, size_binop, ssize_int, TREE_CODE,
- TYPE_SIZE, int_size_in_bytes, */
+/* For host_integerp, tree_low_cst, fold_convert, size_binop, ssize_int,
+ TREE_CODE, TYPE_SIZE, int_size_in_bytes, */
#include "tree.h"
/* For GET_MODE_BITSIZE, word_mode */
#include "machmode.h"
#endif
/* If a clear memory operation would take CLEAR_RATIO or more simple
- move-instruction sequences, we will do a clrmem or libcall instead. */
+ move-instruction sequences, we will do a setmem or libcall instead. */
#ifndef CLEAR_RATIO
-#if defined (HAVE_clrmemqi) || defined (HAVE_clrmemhi) || defined (HAVE_clrmemsi) || defined (HAVE_clrmemdi) || defined (HAVE_clrmemti)
+#if defined (HAVE_setmemqi) || defined (HAVE_setmemhi) || defined (HAVE_setmemsi) || defined (HAVE_setmemdi) || defined (HAVE_setmemti)
#define CLEAR_RATIO 2
#else
/* If we are optimizing for space, cut down the default clear ratio. */
/* Add the value of the tree INC to the `struct args_size' TO. */
-#define ADD_PARM_SIZE(TO, INC) \
-do { \
- tree inc = (INC); \
- if (host_integerp (inc, 0)) \
- (TO).constant += tree_low_cst (inc, 0); \
- else if ((TO).var == 0) \
- (TO).var = convert (ssizetype, inc); \
- else \
- (TO).var = size_binop (PLUS_EXPR, (TO).var, \
- convert (ssizetype, inc)); \
+#define ADD_PARM_SIZE(TO, INC) \
+do { \
+ tree inc = (INC); \
+ if (host_integerp (inc, 0)) \
+ (TO).constant += tree_low_cst (inc, 0); \
+ else if ((TO).var == 0) \
+ (TO).var = fold_convert (ssizetype, inc); \
+ else \
+ (TO).var = size_binop (PLUS_EXPR, (TO).var, \
+ fold_convert (ssizetype, inc)); \
} while (0)
-#define SUB_PARM_SIZE(TO, DEC) \
-do { \
- tree dec = (DEC); \
- if (host_integerp (dec, 0)) \
- (TO).constant -= tree_low_cst (dec, 0); \
- else if ((TO).var == 0) \
- (TO).var = size_binop (MINUS_EXPR, ssize_int (0), \
- convert (ssizetype, dec)); \
- else \
- (TO).var = size_binop (MINUS_EXPR, (TO).var, \
- convert (ssizetype, dec)); \
+#define SUB_PARM_SIZE(TO, DEC) \
+do { \
+ tree dec = (DEC); \
+ if (host_integerp (dec, 0)) \
+ (TO).constant -= tree_low_cst (dec, 0); \
+ else if ((TO).var == 0) \
+ (TO).var = size_binop (MINUS_EXPR, ssize_int (0), \
+ fold_convert (ssizetype, dec)); \
+ else \
+ (TO).var = size_binop (MINUS_EXPR, (TO).var, \
+ fold_convert (ssizetype, dec)); \
} while (0)
/* Convert the implicit sum in a `struct args_size' into a tree
of type ssizetype. */
#define ARGS_SIZE_TREE(SIZE) \
((SIZE).var == 0 ? ssize_int ((SIZE).constant) \
- : size_binop (PLUS_EXPR, convert (ssizetype, (SIZE).var), \
+ : size_binop (PLUS_EXPR, fold_convert (ssizetype, (SIZE).var), \
ssize_int ((SIZE).constant)))
/* Convert the implicit sum in a `struct args_size' into an rtx. */
#define ARGS_SIZE_RTX(SIZE) \
((SIZE).var == 0 ? GEN_INT ((SIZE).constant) \
- : expand_expr (ARGS_SIZE_TREE (SIZE), NULL_RTX, VOIDmode, 0))
+ : expand_normal (ARGS_SIZE_TREE (SIZE)))
/* Supply a default definition for FUNCTION_ARG_PADDING:
usually pad upward, but pad short args downward on
extern void expand_builtin_setjmp_setup (rtx, rtx);
extern void expand_builtin_setjmp_receiver (rtx);
extern rtx expand_builtin_saveregs (void);
+extern void expand_builtin_trap (void);
\f
/* Functions from expr.c: */
If OBJECT has BLKmode, SIZE is its length in bytes. */
extern rtx clear_storage (rtx, rtx, enum block_op_methods);
+/* Expand a setmem pattern; return true if successful. */
+extern bool set_storage_via_setmem (rtx, rtx, rtx, unsigned int);
+
/* Determine whether the LEN bytes can be moved by using several move
instructions. Return nonzero if a call to move_by_pieces should
succeed. */
return expand_expr_real (exp, target, mode, modifier, NULL);
}
+static inline rtx
+expand_normal (tree exp)
+{
+ return expand_expr_real (exp, NULL_RTX, VOIDmode, EXPAND_NORMAL, NULL);
+}
+
extern void expand_var (tree);
/* At the start of a function, record that we have no previously-pushed
/* Return an rtx that refers to the value returned by a function
in its original home. This becomes invalid if any more code is emitted. */
-extern rtx hard_function_value (tree, tree, int);
+extern rtx hard_function_value (tree, tree, tree, int);
extern rtx prepare_call_address (rtx, rtx, rtx *, int, int);
by emitting insns to perform arithmetic if nec. */
extern rtx memory_address (enum machine_mode, rtx);
-/* Like `memory_address' but pretent `flag_force_addr' is 0. */
+/* Like `memory_address' but pretend `flag_force_addr' is 0. */
extern rtx memory_address_noforce (enum machine_mode, rtx);
/* Return a memory reference like MEMREF, but with its mode changed
valid address. */
extern rtx validize_mem (rtx);
+extern rtx use_anchored_address (rtx);
+
/* Given REF, a MEM, and T, either the type of X or the expression
corresponding to REF, set the memory attributes. OBJECTP is nonzero
if we are making a new object of this type. */
unsigned HOST_WIDE_INT, int, rtx,
enum machine_mode, enum machine_mode);
extern rtx expand_mult (enum machine_mode, rtx, rtx, rtx, int);
-extern bool const_mult_add_overflow_p (rtx, rtx, rtx, enum machine_mode, int);
-extern rtx expand_mult_add (rtx, rtx, rtx, rtx,enum machine_mode, int);
extern rtx expand_mult_highpart_adjust (enum machine_mode, rtx, rtx, rtx, rtx, int);
extern rtx assemble_static_space (unsigned HOST_WIDE_INT);
/* Call this to initialize an optab function entry. */
extern rtx init_one_libfunc (const char *);
-extern void do_jump_by_parts_equality_rtx (rtx, rtx, rtx);
-extern void do_jump_by_parts_greater_rtx (enum machine_mode, int, rtx, rtx,
- rtx, rtx);
-
extern int vector_mode_valid_p (enum machine_mode);
#endif /* GCC_EXPR_H */
OSDN Git Service
