diff options
Diffstat (limited to 'contrib/compiler-rt/lib/builtins/fixsfti.c')
| -rw-r--r-- | contrib/compiler-rt/lib/builtins/fixsfti.c | 33 |
1 files changed, 7 insertions, 26 deletions
diff --git a/contrib/compiler-rt/lib/builtins/fixsfti.c b/contrib/compiler-rt/lib/builtins/fixsfti.c index 6a1a1c6d5465..3a159b3e18e4 100644 --- a/contrib/compiler-rt/lib/builtins/fixsfti.c +++ b/contrib/compiler-rt/lib/builtins/fixsfti.c @@ -6,40 +6,21 @@ * Source Licenses. See LICENSE.TXT for details. * * ===----------------------------------------------------------------------=== - * - * This file implements __fixsfti for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== */ #include "int_lib.h" #ifdef CRT_HAS_128BIT +#define SINGLE_PRECISION +#include "fp_lib.h" -/* Returns: convert a to a signed long long, rounding toward zero. */ - -/* Assumption: float is a IEEE 32 bit floating point type - * su_int is a 32 bit integral type - * value in float is representable in ti_int (no range checking performed) - */ - -/* seee eeee emmm mmmm mmmm mmmm mmmm mmmm */ +typedef ti_int fixint_t; +typedef tu_int fixuint_t; +#include "fp_fixint_impl.inc" COMPILER_RT_ABI ti_int -__fixsfti(float a) -{ - float_bits fb; - fb.f = a; - int e = ((fb.u & 0x7F800000) >> 23) - 127; - if (e < 0) - return 0; - ti_int s = (si_int)(fb.u & 0x80000000) >> 31; - ti_int r = (fb.u & 0x007FFFFF) | 0x00800000; - if (e > 23) - r <<= (e - 23); - else - r >>= (23 - e); - return (r ^ s) - s; +__fixsfti(fp_t a) { + return __fixint(a); } #endif /* CRT_HAS_128BIT */ |