X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fmachmode.h;h=581400700acead6d077bf8506f51c27e24e5e9b2;hb=746b8cc22dd1fc3b12ef0c1d3d3ebb7085e9f2d7;hp=f279bfcd16c65a58f1c06fa4b3968a7e86e38e29;hpb=92b1938f30c8be45adb313b647d0e8a7b7276e04;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/machmode.h b/gcc/machmode.h index f279bfcd16c..581400700ac 100644 --- a/gcc/machmode.h +++ b/gcc/machmode.h @@ -1,5 +1,5 @@ /* Machine mode definitions for GNU C-Compiler; included by rtl.h and tree.h. - Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc. + Copyright (C) 1991, 1993, 1994, 1996, 1998 Free Software Foundation, Inc. This file is part of GNU CC. @@ -15,52 +15,26 @@ 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ - - -/* Add prototype support. */ -#ifndef PROTO -#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__) -#define PROTO(ARGS) ARGS -#else -#define PROTO(ARGS) () -#endif -#endif +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. - - Some systems define these in, e.g., param.h. We undefine these names - here to avoid the warnings. We prefer to use our definitions since we - know they are correct. */ - -#undef MIN -#undef MAX - -#define MIN(X,Y) ((X) < (Y) ? (X) : (Y)) -#define MAX(X,Y) ((X) > (Y) ? (X) : (Y)) - -/* 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 + but this file is included by every GCC file. */ /* Provide a default way to print an address in hex via printf. */ #ifndef HOST_PTR_PRINTF -#define HOST_PTR_PRINTF sizeof (int) == sizeof (char *) ? "%x" : "%lx" -#endif +# 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 */ /* Make an enum class that gives all the machine modes. */ @@ -76,8 +50,6 @@ MAX_MACHINE_MODE }; #undef DEF_MACHMODE -#define HAVE_MACHINE_MODES - #ifndef NUM_MACHINE_MODES #define NUM_MACHINE_MODES (int) MAX_MACHINE_MODE #endif @@ -85,7 +57,7 @@ MAX_MACHINE_MODE }; /* Get the name of mode MODE as a string. */ extern char *mode_name[]; -#define GET_MODE_NAME(MODE) (mode_name[(int)(MODE)]) +#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}; @@ -94,7 +66,7 @@ enum mode_class { MODE_RANDOM, MODE_INT, MODE_FLOAT, MODE_PARTIAL_INT, MODE_CC, (integer, floating, complex, etc.) */ extern enum mode_class mode_class[]; -#define GET_MODE_CLASS(MODE) (mode_class[(int)(MODE)]) +#define GET_MODE_CLASS(MODE) (mode_class[(int) (MODE)]) /* Nonzero if MODE is an integral mode. */ #define INTEGRAL_MODE_P(MODE) \ @@ -107,15 +79,20 @@ extern enum mode_class mode_class[]; (GET_MODE_CLASS (MODE) == MODE_FLOAT \ || GET_MODE_CLASS (MODE) == MODE_COMPLEX_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) + /* Get the size in bytes of an object of mode MODE. */ extern int mode_size[]; -#define GET_MODE_SIZE(MODE) (mode_size[(int)(MODE)]) +#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[]; -#define GET_MODE_UNIT_SIZE(MODE) (mode_unit_size[(int)(MODE)]) +#define GET_MODE_UNIT_SIZE(MODE) (mode_unit_size[(int) (MODE)]) /* Get the number of units in the object. */ @@ -125,19 +102,23 @@ extern int mode_unit_size[]; /* Get the size in bits of an object of mode MODE. */ -#define GET_MODE_BITSIZE(MODE) (BITS_PER_UNIT * mode_size[(int)(MODE)]) +#define GET_MODE_BITSIZE(MODE) (BITS_PER_UNIT * mode_size[(int) (MODE)]) + +#ifdef HOST_WIDE_INT /* Get a bitmask containing 1 for all bits in a word that fit within mode MODE. */ -#define GET_MODE_MASK(MODE) \ - ((GET_MODE_BITSIZE (MODE) >= HOST_BITS_PER_WIDE_INT) \ - ?(HOST_WIDE_INT) ~0 : (((HOST_WIDE_INT) 1 << GET_MODE_BITSIZE (MODE)) - 1)) +extern unsigned HOST_WIDE_INT mode_mask_array[]; + +#define GET_MODE_MASK(MODE) mode_mask_array[(int) (MODE)] + +#endif /* HOST_WIDE_INT */ /* Get the next wider natural mode (eg, QI -> HI -> SI -> DI -> TI). */ -extern enum machine_mode mode_wider_mode[]; -#define GET_MODE_WIDER_MODE(MODE) (mode_wider_mode[(int)(MODE)]) +extern unsigned char mode_wider_mode[]; +#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. @@ -145,6 +126,17 @@ extern enum machine_mode mode_wider_mode[]; extern enum machine_mode mode_for_size PROTO((unsigned int, enum mode_class, int)); +/* Similar, but find the smallest mode for a given width. */ + +extern enum machine_mode smallest_mode_for_size PROTO((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)); + /* 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)); @@ -158,7 +150,7 @@ extern enum machine_mode get_best_mode PROTO((int, int, int, enum machine_mode, /* For each class, get the narrowest mode in that class. */ extern enum machine_mode class_narrowest_mode[]; -#define GET_CLASS_NARROWEST_MODE(CLASS) class_narrowest_mode[(int)(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 and the mode whose class is Pmode and whose size is POINTER_SIZE. */