/* Machine mode definitions for GNU C-Compiler; included by rtl.h and tree.h.
- Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1993, 1994, 1996, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+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. */
#ifndef HAVE_MACHINE_MODES
#define HAVE_MACHINE_MODES
-/* Strictly speaking, this isn't the proper place to include these definitions,
- but this file is included by every GCC file. */
-
-/* Find the largest host integer type and set its size and type. */
-
-#ifndef HOST_BITS_PER_WIDE_INT
-
-#if HOST_BITS_PER_LONG > HOST_BITS_PER_INT
-#define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONG
-#define HOST_WIDE_INT long
-#else
-#define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_INT
-#define HOST_WIDE_INT int
-#endif
-
-#endif
-
-/* Provide a default way to print an address in hex via printf. */
-
-#ifndef HOST_PTR_PRINTF
-# ifdef HAVE_PRINTF_PTR
-# define HOST_PTR_PRINTF "%p"
-# else
-# define HOST_PTR_PRINTF \
- (sizeof (int) == sizeof (char *) ? "%x" \
- : sizeof (long) == sizeof (char *) ? "%lx" : "%llx")
-# endif
-#endif /* ! HOST_PTR_PRINTF */
-
-/* Provide defaults for the way to print a HOST_WIDE_INT
- in various manners. */
-
-#ifndef HOST_WIDE_INT_PRINT_DEC
-#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
-#define HOST_WIDE_INT_PRINT_DEC "%d"
-#else
-#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
-#define HOST_WIDE_INT_PRINT_DEC "%ld"
-#else
-#define HOST_WIDE_INT_PRINT_DEC "%lld"
-#endif
-#endif
-#endif
-
-#ifndef HOST_WIDE_INT_PRINT_UNSIGNED
-#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
-#define HOST_WIDE_INT_PRINT_UNSIGNED "%u"
-#else
-#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
-#define HOST_WIDE_INT_PRINT_UNSIGNED "%lu"
-#else
-#define HOST_WIDE_INT_PRINT_UNSIGNED "%llu"
-#endif
-#endif
-#endif
-
-#ifndef HOST_WIDE_INT_PRINT_HEX
-#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
-#define HOST_WIDE_INT_PRINT_HEX "0x%x"
-#else
-#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
-#define HOST_WIDE_INT_PRINT_HEX "0x%lx"
-#else
-#define HOST_WIDE_INT_PRINT_HEX "0x%llx"
-#endif
-#endif
-#endif
-
-#ifndef HOST_WIDE_INT_PRINT_DOUBLE_HEX
-#if HOST_BITS_PER_WIDE_INT == 64
-#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
-#define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%x%016x"
-#else
-#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
-#define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%lx%016lx"
-#else
-#define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%llx%016llx"
-#endif
-#endif
-#else
-#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
-#define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%x%08x"
-#else
-#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
-#define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%lx%08lx"
-#else
-#define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%llx%08llx"
-#endif
-#endif
-#endif
-#endif
-
/* Make an enum class that gives all the machine modes. */
-#define DEF_MACHMODE(SYM, NAME, TYPE, SIZE, UNIT, WIDER) SYM,
+#define DEF_MACHMODE(SYM, NAME, TYPE, BITSIZE, SIZE, UNIT, WIDER, INNER) SYM,
enum machine_mode {
#include "machmode.def"
-
-#ifdef EXTRA_CC_MODES
- EXTRA_CC_MODES,
-#endif
MAX_MACHINE_MODE };
#undef DEF_MACHMODE
/* Get the name of mode MODE as a string. */
-extern char *mode_name[];
+extern const char * const mode_name[NUM_MACHINE_MODES];
#define GET_MODE_NAME(MODE) (mode_name[(int) (MODE)])
enum mode_class { MODE_RANDOM, MODE_INT, MODE_FLOAT, MODE_PARTIAL_INT, MODE_CC,
- MODE_COMPLEX_INT, MODE_COMPLEX_FLOAT, MAX_MODE_CLASS};
+ MODE_COMPLEX_INT, MODE_COMPLEX_FLOAT,
+ MODE_VECTOR_INT, MODE_VECTOR_FLOAT,
+ MAX_MODE_CLASS};
/* Get the general kind of object that mode MODE represents
(integer, floating, complex, etc.) */
-extern enum mode_class mode_class[];
+extern const enum mode_class mode_class[NUM_MACHINE_MODES];
#define GET_MODE_CLASS(MODE) (mode_class[(int) (MODE)])
/* Nonzero if MODE is an integral mode. */
#define INTEGRAL_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_INT \
|| GET_MODE_CLASS (MODE) == MODE_PARTIAL_INT \
- || GET_MODE_CLASS (MODE) == MODE_COMPLEX_INT)
+ || GET_MODE_CLASS (MODE) == MODE_COMPLEX_INT \
+ || GET_MODE_CLASS (MODE) == MODE_VECTOR_INT)
/* Nonzero if MODE is a floating-point mode. */
#define FLOAT_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_FLOAT \
- || GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT)
+ || GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT \
+ || GET_MODE_CLASS (MODE) == MODE_VECTOR_FLOAT)
/* Nonzero if MODE is a complex mode. */
#define COMPLEX_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_COMPLEX_INT \
|| GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT)
+/* Nonzero if MODE is a vector mode. */
+#define VECTOR_MODE_P(MODE) \
+ (GET_MODE_CLASS (MODE) == MODE_VECTOR_INT \
+ || GET_MODE_CLASS (MODE) == MODE_VECTOR_FLOAT)
+
/* Get the size in bytes of an object of mode MODE. */
-extern int mode_size[];
+extern const unsigned char mode_size[NUM_MACHINE_MODES];
#define GET_MODE_SIZE(MODE) (mode_size[(int) (MODE)])
/* Get the size in bytes of the basic parts of an object of mode MODE. */
-extern int mode_unit_size[];
+extern const unsigned char mode_unit_size[NUM_MACHINE_MODES];
#define GET_MODE_UNIT_SIZE(MODE) (mode_unit_size[(int) (MODE)])
/* Get the number of units in the object. */
/* Get the size in bits of an object of mode MODE. */
-#define GET_MODE_BITSIZE(MODE) (BITS_PER_UNIT * mode_size[(int) (MODE)])
+extern const unsigned short mode_bitsize[NUM_MACHINE_MODES];
+#define GET_MODE_BITSIZE(MODE) (mode_bitsize[(int) (MODE)])
+
+#endif /* not HAVE_MACHINE_MODES */
+
+#if defined HOST_WIDE_INT && ! defined GET_MODE_MASK
/* Get a bitmask containing 1 for all bits in a word
that fit within mode MODE. */
-extern unsigned HOST_WIDE_INT mode_mask_array[];
+extern const unsigned HOST_WIDE_INT mode_mask_array[NUM_MACHINE_MODES];
#define GET_MODE_MASK(MODE) mode_mask_array[(int) (MODE)]
+extern const enum machine_mode inner_mode_array[NUM_MACHINE_MODES];
+
+/* Return the mode of the inner elements in a vector. */
+
+#define GET_MODE_INNER(MODE) inner_mode_array[(int) (MODE)]
+
+#endif /* defined (HOST_WIDE_INT) && ! defined GET_MODE_MASK */
+
+#if ! defined GET_MODE_WIDER_MODE || ! defined GET_MODE_ALIGNMENT \
+ || ! defined GET_CLASS_NARROWEST_MODE
+
/* Get the next wider natural mode (eg, QI -> HI -> SI -> DI -> TI). */
-extern unsigned char mode_wider_mode[];
+extern const unsigned char mode_wider_mode[NUM_MACHINE_MODES];
#define GET_MODE_WIDER_MODE(MODE) ((enum machine_mode)mode_wider_mode[(int) (MODE)])
/* Return the mode for data of a given size SIZE and mode class CLASS.
If LIMIT is nonzero, then don't use modes bigger than MAX_FIXED_MODE_SIZE.
The value is BLKmode if no other mode is found. */
-extern enum machine_mode mode_for_size PROTO((unsigned int, enum mode_class, int));
+extern enum machine_mode mode_for_size PARAMS ((unsigned int,
+ enum mode_class, int));
+
+/* Similar, but find the smallest mode for a given width. */
+
+extern enum machine_mode smallest_mode_for_size
+ PARAMS ((unsigned int, enum mode_class));
+
/* Return an integer mode of the exact same size as the input mode,
or BLKmode on failure. */
-extern enum machine_mode int_mode_for_mode PROTO((enum machine_mode));
+extern enum machine_mode int_mode_for_mode PARAMS ((enum machine_mode));
/* Find the best mode to use to access a bit field. */
-extern enum machine_mode get_best_mode PROTO((int, int, int, enum machine_mode, int));
+extern enum machine_mode get_best_mode PARAMS ((int, int, unsigned int,
+ enum machine_mode, int));
/* Determine alignment, 1<=result<=BIGGEST_ALIGNMENT. */
-#define GET_MODE_ALIGNMENT(MODE) \
- MIN (BIGGEST_ALIGNMENT, \
- MAX (1, (GET_MODE_UNIT_SIZE (MODE) * BITS_PER_UNIT)))
+extern unsigned get_mode_alignment PARAMS ((enum machine_mode));
+
+#define GET_MODE_ALIGNMENT(MODE) get_mode_alignment (MODE)
/* For each class, get the narrowest mode in that class. */
-extern enum machine_mode class_narrowest_mode[];
+extern const enum machine_mode class_narrowest_mode[(int) MAX_MODE_CLASS];
#define GET_CLASS_NARROWEST_MODE(CLASS) class_narrowest_mode[(int) (CLASS)]
/* Define the integer modes whose sizes are BITS_PER_UNIT and BITS_PER_WORD
extern enum machine_mode word_mode;
extern enum machine_mode ptr_mode;
-#endif /* not HAVE_MACHINE_MODES */
+#endif /* ! defined GET_MODE_WIDER_MODE || ! defined GET_MODE_ALIGNMENT
+ || ! defined GET_CLASS_NARROWEST_MODE */
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