diff options
Diffstat (limited to 'compiler-rt/lib/builtins/fixdfdi.c')
| -rw-r--r-- | compiler-rt/lib/builtins/fixdfdi.c | 41 |
1 files changed, 9 insertions, 32 deletions
diff --git a/compiler-rt/lib/builtins/fixdfdi.c b/compiler-rt/lib/builtins/fixdfdi.c index 86f9f6ce8db..67b124a16bb 100644 --- a/compiler-rt/lib/builtins/fixdfdi.c +++ b/compiler-rt/lib/builtins/fixdfdi.c @@ -6,40 +6,17 @@ * Source Licenses. See LICENSE.TXT for details. * * ===----------------------------------------------------------------------=== - * - * This file implements __fixdfdi for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== */ -#include "int_lib.h" - -/* Returns: convert a to a signed long long, rounding toward zero. */ - -/* Assumption: double is a IEEE 64 bit floating point type - * su_int is a 32 bit integral type - * value in double is representable in di_int (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" ARM_EABI_FNALIAS(d2lz, fixdfdi) +typedef di_int fixint_t; +typedef du_int fixuint_t; +#include "fp_fixint_impl.inc" + COMPILER_RT_ABI di_int -__fixdfdi(double a) -{ - double_bits fb; - fb.f = a; - int e = ((fb.u.s.high & 0x7FF00000) >> 20) - 1023; - if (e < 0) - return 0; - di_int s = (si_int)(fb.u.s.high & 0x80000000) >> 31; - dwords 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 ^ s) - s; -} +__fixdfdi(fp_t a) { + return __fixint(a); +} |

