diff options
Diffstat (limited to 'lib/builtins/fixunsdfdi.c')
-rw-r--r-- | lib/builtins/fixunsdfdi.c | 38 |
1 files changed, 6 insertions, 32 deletions
diff --git a/lib/builtins/fixunsdfdi.c b/lib/builtins/fixunsdfdi.c index 9e6371390..f4f689e39 100644 --- a/lib/builtins/fixunsdfdi.c +++ b/lib/builtins/fixunsdfdi.c @@ -6,42 +6,16 @@ * Source Licenses. See LICENSE.TXT for details. * * ===----------------------------------------------------------------------=== - * - * This file implements __fixunsdfdi for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -/* Returns: convert a to a unsigned long long, rounding toward zero. - * Negative values all become zero. - */ - -/* Assumption: double is a IEEE 64 bit floating point type - * du_int is a 64 bit integral type - * value in double is representable in du_int or is negative - * (no range checking performed) */ -/* seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm */ +#define DOUBLE_PRECISION +#include "fp_lib.h" +typedef du_int fixuint_t; +#include "fp_fixuint_impl.inc" ARM_EABI_FNALIAS(d2ulz, fixunsdfdi) COMPILER_RT_ABI du_int -__fixunsdfdi(double a) -{ - double_bits fb; - fb.f = a; - int e = ((fb.u.s.high & 0x7FF00000) >> 20) - 1023; - if (e < 0 || (fb.u.s.high & 0x80000000)) - return 0; - udwords r; - r.s.high = (fb.u.s.high & 0x000FFFFF) | 0x00100000; - r.s.low = fb.u.s.low; - if (e > 52) - r.all <<= (e - 52); - else - r.all >>= (52 - e); - return r.all; +__fixunsdfdi(fp_t a) { + return __fixuint(a); } |