/* Make an enum class that gives all the machine modes. */
#include "insn-modes.h"
+/* Given MODE as integer value, get the corresponding enum machine_mode
+ enumeration value. */
+#define to_machine_mode(MODE) ((enum machine_mode) (MODE))
+
/* Get the name of mode MODE as a string. */
extern const char * const mode_name[NUM_MACHINE_MODES];
#define SCALAR_FLOAT_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_FLOAT)
-/* Get the size in bytes of an object of mode MODE. */
+/* Get the size in bytes and bits of an object of mode MODE. */
extern CONST_MODE_SIZE unsigned char mode_size[NUM_MACHINE_MODES];
-#define GET_MODE_SIZE(MODE) mode_size[MODE]
-
-/* Get the size in bytes of the basic parts of an object of mode MODE. */
+#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 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 bits of an object of mode MODE. */
-
-extern const unsigned short mode_bitsize[NUM_MACHINE_MODES];
-#define GET_MODE_BITSIZE(MODE) mode_bitsize[MODE]
+/* 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. */
#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]
+/* Get the size in bytes of the basic parts of an object of mode 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. */