double-int.h File Reference

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Data Structures
struct	double_int
struct	wi::int_traits< double_int >

Namespaces
namespace	wi

Macros
#define	HOST_BITS_PER_DOUBLE_INT   (2 * HOST_BITS_PER_WIDE_INT)
#define	double_int_minus_one   (double_int::from_shwi (-1))
#define	double_int_zero   (double_int::from_shwi (0))
#define	double_int_one   (double_int::from_shwi (1))
#define	double_int_two   (double_int::from_shwi (2))
#define	double_int_ten   (double_int::from_shwi (10))
#define	ALL_ONES   HOST_WIDE_INT_M1U

Functions
void	dump_double_int (FILE *, double_int, bool)
void	mpz_set_double_int (mpz_t, double_int, bool)
double_int	mpz_get_double_int (const_tree, mpz_t, bool)

Macro Definition Documentation

ALL_ONES

#define ALL_ONES   HOST_WIDE_INT_M1U

Referenced by double_int::is_minus_one(), and double_int::mask().

double_int_minus_one

#define double_int_minus_one   (double_int::from_shwi (-1))

Some useful constants.   

FIXME(crowl): Maybe remove after converting callers?
The problem is that a named constant would not be as optimizable,
while the functional syntax is more verbose.   

Referenced by build_minus_one_cst().

double_int_one

#define double_int_one   (double_int::from_shwi (1))

Referenced by fold_convert_const_int_from_fixed(), init_emit_once(), double_int::min_value(), double_int::operator++(), and double_int::operator--().

double_int_ten

#define double_int_ten   (double_int::from_shwi (10))

double_int_two

#define double_int_two   (double_int::from_shwi (2))

double_int_zero

#define double_int_zero   (double_int::from_shwi (0))

Referenced by do_fixed_divide(), fold_convert_const_int_from_fixed(), double_int::from_buffer(), and double_int::min_value().

HOST_BITS_PER_DOUBLE_INT

#define HOST_BITS_PER_DOUBLE_INT   (2 * HOST_BITS_PER_WIDE_INT)

Referenced by choose_multiplier(), do_fixed_add(), do_fixed_divide(), do_fixed_multiply(), do_fixed_shift(), fixed_convert(), fixed_convert_from_int(), fixed_convert_from_real(), fixed_from_double_int(), fixed_saturate1(), fixed_saturate2(), fold_convert_const_int_from_fixed(), double_int::from_buffer(), gen_lowpart_common(), init_emit_once(), initialize_sizetypes(), double_int::lshift(), lshift_double(), mem_loc_descriptor(), mode_signbit_p(), native_encode_fixed(), native_interpret_fixed(), output_die(), double_int::rshift(), rshift_double(), simplify_const_binary_operation(), simplify_const_unary_operation(), size_of_die(), size_of_loc_descr(), and double_int::trailing_zeros().

Function Documentation

dump_double_int()

void dump_double_int	(	FILE *	file,
		double_int	cst,
		bool	uns )

Dumps CST to FILE.  If UNS is true, CST is considered to be unsigned,
otherwise it is signed.   

References double_int_split_digit(), ggc_alloc(), and i.

mpz_get_double_int()

double_int mpz_get_double_int	(	const_tree	type,
		mpz_t	val,
		bool	wrap )

Returns VAL converted to TYPE.  If WRAP is true, then out-of-range
values of VAL will be wrapped; otherwise, they will be set to the
appropriate minimum or maximum TYPE bound.   

References alloca, count, double_int::ext(), gcc_assert, get_type_static_bounds(), ggc_alloc(), double_int::high, double_int::low, TYPE_PRECISION, and TYPE_UNSIGNED.

mpz_set_double_int()

void mpz_set_double_int	(	mpz_t	result,
		double_int	val,
		bool	uns )

Conversion to and from GMP integer representations.   

Sets RESULT to VAL, taken unsigned if UNS is true and as signed
otherwise.   

References ggc_alloc(), double_int::high, double_int::is_negative(), and double_int::low.