struct real_format
{
/* Move to and from the target bytes. */
- void (*encode) PARAMS ((const struct real_format *, long *,
- const REAL_VALUE_TYPE *));
- void (*decode) PARAMS ((const struct real_format *, REAL_VALUE_TYPE *,
- const long *));
+ void (*encode) (const struct real_format *, long *,
+ const REAL_VALUE_TYPE *);
+ void (*decode) (const struct real_format *, REAL_VALUE_TYPE *,
+ const long *);
/* The radix of the exponent and digits of the significand. */
int b;
/* The target format used for each floating floating point mode.
Indexed by MODE - QFmode. */
-extern const struct real_format *real_format_for_mode[TFmode - QFmode + 1];
+extern const struct real_format *
+ real_format_for_mode[MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1];
+#define REAL_MODE_FORMAT(MODE) (real_format_for_mode[(MODE) - MIN_MODE_FLOAT])
/* Declare functions in real.c. */
/* Binary or unary arithmetic on tree_code. */
-extern void real_arithmetic PARAMS ((REAL_VALUE_TYPE *, int,
- const REAL_VALUE_TYPE *,
- const REAL_VALUE_TYPE *));
+extern void real_arithmetic (REAL_VALUE_TYPE *, int, const REAL_VALUE_TYPE *,
+ const REAL_VALUE_TYPE *);
/* Compare reals by tree_code. */
-extern bool real_compare PARAMS ((int, const REAL_VALUE_TYPE *,
- const REAL_VALUE_TYPE *));
+extern bool real_compare (int, const REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *);
/* Determine whether a floating-point value X is infinite. */
-extern bool real_isinf PARAMS ((const REAL_VALUE_TYPE *));
+extern bool real_isinf (const REAL_VALUE_TYPE *);
/* Determine whether a floating-point value X is a NaN. */
-extern bool real_isnan PARAMS ((const REAL_VALUE_TYPE *));
+extern bool real_isnan (const REAL_VALUE_TYPE *);
/* Determine whether a floating-point value X is negative. */
-extern bool real_isneg PARAMS ((const REAL_VALUE_TYPE *));
+extern bool real_isneg (const REAL_VALUE_TYPE *);
/* Determine whether a floating-point value X is minus zero. */
-extern bool real_isnegzero PARAMS ((const REAL_VALUE_TYPE *));
+extern bool real_isnegzero (const REAL_VALUE_TYPE *);
/* Compare two floating-point objects for bitwise identity. */
-extern bool real_identical PARAMS ((const REAL_VALUE_TYPE *,
- const REAL_VALUE_TYPE *));
+extern bool real_identical (const REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *);
/* Extend or truncate to a new mode. */
-extern void real_convert PARAMS ((REAL_VALUE_TYPE *,
- enum machine_mode,
- const REAL_VALUE_TYPE *));
+extern void real_convert (REAL_VALUE_TYPE *, enum machine_mode,
+ const REAL_VALUE_TYPE *);
/* Return true if truncating to NEW is exact. */
-extern bool exact_real_truncate PARAMS ((enum machine_mode,
- const REAL_VALUE_TYPE *));
+extern bool exact_real_truncate (enum machine_mode, const REAL_VALUE_TYPE *);
/* Render R as a decimal floating point constant. */
-extern void real_to_decimal PARAMS ((char *, const REAL_VALUE_TYPE *,
- size_t, size_t, int));
+extern void real_to_decimal (char *, const REAL_VALUE_TYPE *, size_t,
+ size_t, int);
/* Render R as a hexadecimal floating point constant. */
-extern void real_to_hexadecimal PARAMS ((char *, const REAL_VALUE_TYPE *,
- size_t, size_t, int));
+extern void real_to_hexadecimal (char *, const REAL_VALUE_TYPE *,
+ size_t, size_t, int);
/* Render R as an integer. */
-extern HOST_WIDE_INT real_to_integer PARAMS ((const REAL_VALUE_TYPE *));
-extern void real_to_integer2 PARAMS ((HOST_WIDE_INT *, HOST_WIDE_INT *,
- const REAL_VALUE_TYPE *));
+extern HOST_WIDE_INT real_to_integer (const REAL_VALUE_TYPE *);
+extern void real_to_integer2 (HOST_WIDE_INT *, HOST_WIDE_INT *,
+ const REAL_VALUE_TYPE *);
/* Initialize R from a decimal or hexadecimal string. */
-extern void real_from_string PARAMS ((REAL_VALUE_TYPE *, const char *));
+extern void real_from_string (REAL_VALUE_TYPE *, const char *);
/* Initialize R from an integer pair HIGH/LOW. */
-extern void real_from_integer PARAMS ((REAL_VALUE_TYPE *,
- enum machine_mode,
- unsigned HOST_WIDE_INT,
- HOST_WIDE_INT, int));
+extern void real_from_integer (REAL_VALUE_TYPE *, enum machine_mode,
+ unsigned HOST_WIDE_INT, HOST_WIDE_INT, int);
-extern long real_to_target_fmt PARAMS ((long *, const REAL_VALUE_TYPE *,
- const struct real_format *));
-extern long real_to_target PARAMS ((long *, const REAL_VALUE_TYPE *,
- enum machine_mode));
+extern long real_to_target_fmt (long *, const REAL_VALUE_TYPE *,
+ const struct real_format *);
+extern long real_to_target (long *, const REAL_VALUE_TYPE *, enum machine_mode);
-extern void real_from_target_fmt PARAMS ((REAL_VALUE_TYPE *, const long *,
- const struct real_format *));
-extern void real_from_target PARAMS ((REAL_VALUE_TYPE *, const long *,
- enum machine_mode));
+extern void real_from_target_fmt (REAL_VALUE_TYPE *, const long *,
+ const struct real_format *);
+extern void real_from_target (REAL_VALUE_TYPE *, const long *,
+ enum machine_mode);
-extern void real_inf PARAMS ((REAL_VALUE_TYPE *));
+extern void real_inf (REAL_VALUE_TYPE *);
-extern bool real_nan PARAMS ((REAL_VALUE_TYPE *, const char *,
- int, enum machine_mode));
+extern bool real_nan (REAL_VALUE_TYPE *, const char *, int, enum machine_mode);
-extern void real_maxval PARAMS ((REAL_VALUE_TYPE *, int,
- enum machine_mode));
+extern void real_maxval (REAL_VALUE_TYPE *, int, enum machine_mode);
-extern void real_2expN PARAMS ((REAL_VALUE_TYPE *, int));
+extern void real_2expN (REAL_VALUE_TYPE *, int);
-extern unsigned int real_hash PARAMS ((const REAL_VALUE_TYPE *));
+extern unsigned int real_hash (const REAL_VALUE_TYPE *);
/* Target formats defined in real.c. */
#define REAL_VALUE_FROM_UNSIGNED_INT(r, lo, hi, mode) \
real_from_integer (&(r), mode, lo, hi, 1)
-extern REAL_VALUE_TYPE real_value_truncate PARAMS ((enum machine_mode,
- REAL_VALUE_TYPE));
+extern REAL_VALUE_TYPE real_value_truncate (enum machine_mode,
+ REAL_VALUE_TYPE);
#define REAL_VALUE_TO_INT(plow, phigh, r) \
real_to_integer2 (plow, phigh, &(r))
-extern REAL_VALUE_TYPE real_arithmetic2 PARAMS ((int, const REAL_VALUE_TYPE *,
- const REAL_VALUE_TYPE *));
+extern REAL_VALUE_TYPE real_arithmetic2 (int, const REAL_VALUE_TYPE *,
+ const REAL_VALUE_TYPE *);
#define REAL_VALUE_NEGATE(X) \
real_arithmetic2 (NEGATE_EXPR, &(X), NULL)
#define REAL_VALUE_ABS(X) \
real_arithmetic2 (ABS_EXPR, &(X), NULL)
-extern int significand_size PARAMS ((enum machine_mode));
+extern int significand_size (enum machine_mode);
-extern REAL_VALUE_TYPE real_from_string2 PARAMS ((const char *,
- enum machine_mode));
+extern REAL_VALUE_TYPE real_from_string2 (const char *, enum machine_mode);
#define REAL_VALUE_ATOF(s, m) \
real_from_string2 (s, m)
/* ??? These were added for Paranoia support. */
/* Return floor log2(R). */
-extern int real_exponent PARAMS ((const REAL_VALUE_TYPE *));
+extern int real_exponent (const REAL_VALUE_TYPE *);
/* R = A * 2**EXP. */
-extern void real_ldexp PARAMS ((REAL_VALUE_TYPE *,
- const REAL_VALUE_TYPE *, int));
+extern void real_ldexp (REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *, int);
/* **** End of software floating point emulator interface macros **** */
\f
-/* Constant real values 0, 1, 2, -1, -2 and 0.5. */
+/* Constant real values 0, 1, 2, 3, 10, -1, -2, 0.5 and 1/3. */
extern REAL_VALUE_TYPE dconst0;
extern REAL_VALUE_TYPE dconst1;
extern REAL_VALUE_TYPE dconst2;
+extern REAL_VALUE_TYPE dconst3;
+extern REAL_VALUE_TYPE dconst10;
extern REAL_VALUE_TYPE dconstm1;
extern REAL_VALUE_TYPE dconstm2;
extern REAL_VALUE_TYPE dconsthalf;
+extern REAL_VALUE_TYPE dconstthird;
+extern REAL_VALUE_TYPE dconstpi;
+extern REAL_VALUE_TYPE dconste;
/* Function to return a real value (not a tree node)
from a given integer constant. */
-REAL_VALUE_TYPE real_value_from_int_cst PARAMS ((union tree_node *,
- union tree_node *));
+REAL_VALUE_TYPE real_value_from_int_cst (tree, tree);
/* Given a CONST_DOUBLE in FROM, store into TO the value it represents. */
#define REAL_VALUE_FROM_CONST_DOUBLE(to, from) \
/* Return a CONST_DOUBLE with value R and mode M. */
#define CONST_DOUBLE_FROM_REAL_VALUE(r, m) \
const_double_from_real_value (r, m)
-extern rtx const_double_from_real_value PARAMS ((REAL_VALUE_TYPE,
- enum machine_mode));
+extern rtx const_double_from_real_value (REAL_VALUE_TYPE, enum machine_mode);
/* Replace R by 1/R in the given machine mode, if the result is exact. */
-extern bool exact_real_inverse PARAMS ((enum machine_mode, REAL_VALUE_TYPE *));
+extern bool exact_real_inverse (enum machine_mode, REAL_VALUE_TYPE *);
/* In tree.c: wrap up a REAL_VALUE_TYPE in a tree node. */
-extern tree build_real PARAMS ((tree, REAL_VALUE_TYPE));
+extern tree build_real (tree, REAL_VALUE_TYPE);
/* Calculate R as the square root of X in the given machine mode. */
-extern bool real_sqrt PARAMS ((REAL_VALUE_TYPE *,
- enum machine_mode,
- const REAL_VALUE_TYPE *));
+extern bool real_sqrt (REAL_VALUE_TYPE *, enum machine_mode,
+ const REAL_VALUE_TYPE *);
/* Calculate R as X raised to the integer exponent N in mode MODE. */
-extern bool real_powi PARAMS ((REAL_VALUE_TYPE *,
- enum machine_mode,
- const REAL_VALUE_TYPE *,
- HOST_WIDE_INT));
+extern bool real_powi (REAL_VALUE_TYPE *, enum machine_mode,
+ const REAL_VALUE_TYPE *, HOST_WIDE_INT);
/* Standard round to integer value functions. */
-extern void real_trunc PARAMS ((REAL_VALUE_TYPE *,
- enum machine_mode,
- const REAL_VALUE_TYPE *));
-extern void real_floor PARAMS ((REAL_VALUE_TYPE *,
- enum machine_mode,
- const REAL_VALUE_TYPE *));
-extern void real_ceil PARAMS ((REAL_VALUE_TYPE *,
- enum machine_mode,
- const REAL_VALUE_TYPE *));
+extern void real_trunc (REAL_VALUE_TYPE *, enum machine_mode,
+ const REAL_VALUE_TYPE *);
+extern void real_floor (REAL_VALUE_TYPE *, enum machine_mode,
+ const REAL_VALUE_TYPE *);
+extern void real_ceil (REAL_VALUE_TYPE *, enum machine_mode,
+ const REAL_VALUE_TYPE *);
#endif /* ! GCC_REAL_H */
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