Fixup whitespaces

[pf3gnuchains/gcc-fork.git] / gcc / machmode.h

diff --git a/gcc/machmode.h b/gcc/machmode.h
index 4c4086c..3948fc9 100644 (file)
--- a/gcc/machmode.h
+++ b/gcc/machmode.h
@@ -16,8 +16,8 @@ for more details.
 
 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 HAVE_MACHINE_MODES
 #define HAVE_MACHINE_MODES
@@ -54,6 +54,7 @@ extern const unsigned char mode_class[NUM_MACHINE_MODES];
 /* Nonzero if MODE is a floating-point mode.  */
 #define FLOAT_MODE_P(MODE)             \
   (GET_MODE_CLASS (MODE) == MODE_FLOAT \
+   || GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT \
    || GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT \
    || GET_MODE_CLASS (MODE) == MODE_VECTOR_FLOAT)
 
@@ -74,32 +75,29 @@ extern const unsigned char mode_class[NUM_MACHINE_MODES];
 
 /* Nonzero if MODE is a scalar floating point mode.  */
 #define SCALAR_FLOAT_MODE_P(MODE)              \
-  (GET_MODE_CLASS (MODE) == MODE_FLOAT)
+  (GET_MODE_CLASS (MODE) == MODE_FLOAT         \
+   || GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT)
 
-/* Get the size in bytes of an object of mode MODE.  */
+/* Nonzero if MODE is a decimal floating point mode.  */
+#define DECIMAL_FLOAT_MODE_P(MODE)             \
+  (GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT)
 
-extern const unsigned char mode_size[NUM_MACHINE_MODES];
-#define GET_MODE_SIZE(MODE)   mode_size[MODE]
+/* Nonzero if CLASS modes can be widened.  */
+#define CLASS_HAS_WIDER_MODES_P(CLASS)         \
+  (CLASS == MODE_INT                           \
+   || CLASS == MODE_FLOAT                      \
+   || CLASS == MODE_DECIMAL_FLOAT              \
+   || CLASS == MODE_COMPLEX_FLOAT)
 
-/* Get the size in bytes of the basic parts of an object of mode MODE.  */
-
-extern const unsigned char mode_unit_size[NUM_MACHINE_MODES];
-#define GET_MODE_UNIT_SIZE(MODE)  mode_unit_size[MODE]
-
-/* Get the number of units in the object.  */
-
-#define GET_MODE_NUNITS(MODE)  \
-  ((GET_MODE_UNIT_SIZE ((MODE)) == 0) ? 0 \
-   : (GET_MODE_SIZE ((MODE)) / GET_MODE_UNIT_SIZE ((MODE))))
+/* Get the size in bytes and bits of an object of mode MODE.  */
 
-/* Get the size in bits of an object of mode MODE.  */
+extern CONST_MODE_SIZE unsigned char mode_size[NUM_MACHINE_MODES];
+#define GET_MODE_SIZE(MODE)    ((unsigned short) mode_size[MODE])
+#define GET_MODE_BITSIZE(MODE) ((unsigned short) (GET_MODE_SIZE (MODE) * BITS_PER_UNIT))
 
-extern const unsigned short mode_bitsize[NUM_MACHINE_MODES];
-#define GET_MODE_BITSIZE(MODE)  mode_bitsize[MODE]
-
-#endif /* not HAVE_MACHINE_MODES */
-
-#if defined HOST_WIDE_INT && ! defined GET_MODE_MASK
+/* Get the number of value bits of an object of mode MODE.  */
+extern const unsigned short mode_precision[NUM_MACHINE_MODES];
+#define GET_MODE_PRECISION(MODE)  mode_precision[MODE]
 
 /* Get a bitmask containing 1 for all bits in a word
    that fit within mode MODE.  */
@@ -108,22 +106,31 @@ extern const unsigned HOST_WIDE_INT mode_mask_array[NUM_MACHINE_MODES];
 
 #define GET_MODE_MASK(MODE) mode_mask_array[MODE]
 
-extern const unsigned char mode_inner[NUM_MACHINE_MODES];
-
 /* Return the mode of the inner elements in a vector.  */
 
+extern const unsigned char mode_inner[NUM_MACHINE_MODES];
 #define GET_MODE_INNER(MODE) mode_inner[MODE]
 
-#endif /* defined (HOST_WIDE_INT) && ! defined GET_MODE_MASK */
+/* Get the size in bytes of the basic parts of an object of mode MODE.  */
 
-#if ! defined GET_MODE_WIDER_MODE || ! defined GET_MODE_ALIGNMENT \
-    || ! defined GET_CLASS_NARROWEST_MODE
+#define GET_MODE_UNIT_SIZE(MODE)               \
+  (GET_MODE_INNER (MODE) == VOIDmode           \
+   ? GET_MODE_SIZE (MODE)                      \
+   : GET_MODE_SIZE (GET_MODE_INNER (MODE)))
+
+/* Get the number of units in the object.  */
+
+extern const unsigned char mode_nunits[NUM_MACHINE_MODES];
+#define GET_MODE_NUNITS(MODE)  mode_nunits[MODE]
 
 /* Get the next wider natural mode (eg, QI -> HI -> SI -> DI -> TI).  */
 
 extern const unsigned char mode_wider[NUM_MACHINE_MODES];
 #define GET_MODE_WIDER_MODE(MODE) mode_wider[MODE]
 
+extern const unsigned char mode_2xwider[NUM_MACHINE_MODES];
+#define GET_MODE_2XWIDER_MODE(MODE) mode_2xwider[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.  */
@@ -148,7 +155,7 @@ extern enum machine_mode get_best_mode (int, int, unsigned int,
 
 /* Determine alignment, 1<=result<=BIGGEST_ALIGNMENT.  */
 
-extern const unsigned char mode_base_align[NUM_MACHINE_MODES];
+extern CONST_MODE_BASE_ALIGN unsigned char mode_base_align[NUM_MACHINE_MODES];
 
 extern unsigned get_mode_alignment (enum machine_mode);
 
@@ -166,5 +173,7 @@ extern enum machine_mode byte_mode;
 extern enum machine_mode word_mode;
 extern enum machine_mode ptr_mode;
 
-#endif /* ! defined GET_MODE_WIDER_MODE || ! defined GET_MODE_ALIGNMENT
-         || ! defined GET_CLASS_NARROWEST_MODE */
+/* Target-dependent machine mode initialization - in insn-modes.c.  */
+extern void init_adjust_machine_modes (void);
+
+#endif /* not HAVE_MACHINE_MODES */