#ifndef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 64
#endif
+/* MAX_LONG_DOUBLE_TYPE_SIZE is a constant tested by #if.
+ LONG_DOUBLE_TYPE_SIZE can vary at compiler run time.
+ So long as macros like REAL_VALUE_TO_TARGET_LONG_DOUBLE cannot
+ vary too, however, then XFmode and TFmode long double
+ cannot both be supported at the same time. */
#ifndef MAX_LONG_DOUBLE_TYPE_SIZE
#define MAX_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
#endif
#endif /* no TFmode support */
#endif /* no XFmode support */
-extern int significand_size PARAMS ((enum machine_mode));
+extern unsigned int significand_size PARAMS ((enum machine_mode));
/* If emulation has been enabled by defining REAL_ARITHMETIC or by
setting LONG_DOUBLE_TYPE_SIZE to 96 or 128, then define macros so that
REAL_VALUE_TYPE *, REAL_VALUE_TYPE *));
extern REAL_VALUE_TYPE etrunci PARAMS ((REAL_VALUE_TYPE));
extern REAL_VALUE_TYPE etruncui PARAMS ((REAL_VALUE_TYPE));
-extern REAL_VALUE_TYPE ereal_atof PARAMS ((const char *, enum machine_mode));
extern REAL_VALUE_TYPE ereal_negate PARAMS ((REAL_VALUE_TYPE));
extern HOST_WIDE_INT efixi PARAMS ((REAL_VALUE_TYPE));
extern unsigned HOST_WIDE_INT efixui PARAMS ((REAL_VALUE_TYPE));
/* These return REAL_VALUE_TYPE: */
#define REAL_VALUE_RNDZINT(x) (etrunci (x))
#define REAL_VALUE_UNSIGNED_RNDZINT(x) (etruncui (x))
-extern REAL_VALUE_TYPE real_value_truncate PARAMS ((enum machine_mode,
- REAL_VALUE_TYPE));
#define REAL_VALUE_TRUNCATE(mode, x) real_value_truncate (mode, x)
/* These return HOST_WIDE_INT: */
ereal_from_uint (&d, lo, hi, mode)
/* IN is a REAL_VALUE_TYPE. OUT is an array of longs. */
-#if MAX_LONG_DOUBLE_TYPE_SIZE == 96
+#if defined(INTEL_EXTENDED_IEEE_FORMAT) && MAX_LONG_DOUBLE_TYPE_SIZE == 128
#define REAL_VALUE_TO_TARGET_LONG_DOUBLE(IN, OUT) (etarldouble ((IN), (OUT)))
#else
-#define REAL_VALUE_TO_TARGET_LONG_DOUBLE(IN, OUT) (etartdouble ((IN), (OUT)))
+#define REAL_VALUE_TO_TARGET_LONG_DOUBLE(IN, OUT) \
+ (LONG_DOUBLE_TYPE_SIZE == 64 ? etardouble ((IN), (OUT)) \
+ : LONG_DOUBLE_TYPE_SIZE == 96 ? etarldouble ((IN), (OUT)) \
+ : LONG_DOUBLE_TYPE_SIZE == 128 ? etartdouble ((IN), (OUT)) \
+ : abort())
#endif
#define REAL_VALUE_TO_TARGET_DOUBLE(IN, OUT) (etardouble ((IN), (OUT)))
-0.0 equals 0.0 but they are not identical, and conversely
two NaNs might be identical but they cannot be equal. */
#define REAL_VALUES_IDENTICAL(x, y) \
- (!bcmp ((char *) &(x), (char *) &(y), sizeof (REAL_VALUE_TYPE)))
+ (!memcmp ((char *) &(x), (char *) &(y), sizeof (REAL_VALUE_TYPE)))
/* Compare two floating-point values for equality. */
#ifndef REAL_VALUES_EQUAL
/* Scale X by Y powers of 2. */
#ifndef REAL_VALUE_LDEXP
#define REAL_VALUE_LDEXP(x, y) ldexp (x, y)
-extern double ldexp ();
+extern double ldexp PARAMS ((double, int));
#endif
/* Convert the string X to a floating-point value. */
#ifndef REAL_VALUE_ATOF
#if 1
/* Use real.c to convert decimal numbers to binary, ... */
-extern REAL_VALUE_TYPE ereal_atof PARAMS ((const char *, enum machine_mode));
#define REAL_VALUE_ATOF(x, s) ereal_atof (x, s)
/* Could use ereal_atof here for hexadecimal floats too, but real_hex_to_f
is OK and it uses faster native fp arithmetic. */
#define REAL_VALUE_NEGATIVE(x) (target_negative (x))
#endif
-extern int target_isnan PARAMS ((REAL_VALUE_TYPE));
-extern int target_isinf PARAMS ((REAL_VALUE_TYPE));
-extern int target_negative PARAMS ((REAL_VALUE_TYPE));
-
/* Determine whether a floating-point value X is minus 0. */
#ifndef REAL_VALUE_MINUS_ZERO
#define REAL_VALUE_MINUS_ZERO(x) ((x) == 0 && REAL_VALUE_NEGATIVE (x))
HOST_WIDE_INT i[sizeof (REAL_VALUE_TYPE) / sizeof (HOST_WIDE_INT)];
};
-/* For a CONST_DOUBLE:
- The usual two ints that hold the value.
- For a DImode, that is all there are;
- and CONST_DOUBLE_LOW is the low-order word and ..._HIGH the high-order.
- For a float, the number of ints varies,
- and CONST_DOUBLE_LOW is the one that should come first *in memory*.
- So use &CONST_DOUBLE_LOW(r) as the address of an array of ints. */
-#define CONST_DOUBLE_LOW(r) XWINT (r, 2)
-#define CONST_DOUBLE_HIGH(r) XWINT (r, 3)
-
-/* Link for chain of all CONST_DOUBLEs in use in current function. */
-#define CONST_DOUBLE_CHAIN(r) X0EXP (r, 1)
-/* The MEM which represents this CONST_DOUBLE's value in memory,
- or const0_rtx if no MEM has been made for it yet,
- or cc0_rtx if it is not on the chain. */
-#define CONST_DOUBLE_MEM(r) XEXP (r, 0)
-
/* Given a CONST_DOUBLE in FROM, store into TO the value it represents. */
/* Function to return a real value (not a tree node)
from a given integer constant. */
#define REAL_VALUE_FROM_CONST_DOUBLE(to, from) \
do { union real_extract u; \
- bcopy ((char *) &CONST_DOUBLE_LOW ((from)), (char *) &u, sizeof u); \
+ memcpy (&u, &CONST_DOUBLE_LOW ((from)), sizeof u); \
to = u.d; } while (0)
/* Return a CONST_DOUBLE with value R and mode M. */
extern int target_isinf PARAMS ((REAL_VALUE_TYPE));
extern int target_negative PARAMS ((REAL_VALUE_TYPE));
extern void debug_real PARAMS ((REAL_VALUE_TYPE));
+extern REAL_VALUE_TYPE ereal_atof PARAMS ((const char *, enum machine_mode));
-/* In varasm.c */
-extern void assemble_real PARAMS ((REAL_VALUE_TYPE,
- enum machine_mode));
-extern void debug_real PARAMS ((REAL_VALUE_TYPE));
-
-/* In varasm.c */
-extern void assemble_real PARAMS ((REAL_VALUE_TYPE,
- enum machine_mode));
#endif /* Not REAL_H_INCLUDED */
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