diff options
Diffstat (limited to 'compiler-rt/lib/builtins/fixunsxfsi.c')
| -rw-r--r-- | compiler-rt/lib/builtins/fixunsxfsi.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/compiler-rt/lib/builtins/fixunsxfsi.c b/compiler-rt/lib/builtins/fixunsxfsi.c index 372d0f682eb..50632639c30 100644 --- a/compiler-rt/lib/builtins/fixunsxfsi.c +++ b/compiler-rt/lib/builtins/fixunsxfsi.c @@ -19,26 +19,25 @@ * Negative values all become zero. */ -/* Assumption: long double is an intel 80 bit floating point type padded with 6 bytes - * su_int is a 32 bit integral type - * value in long double is representable in su_int or is negative +/* Assumption: long double is an intel 80 bit floating point type padded with 6 + * bytes su_int is a 32 bit integral type value in long double is representable + * in su_int or is negative */ -/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee | - * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm +/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee + * eeee | 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm + * mmmm mmmm mmmm */ -COMPILER_RT_ABI su_int -__fixunsxfsi(long double a) -{ - long_double_bits fb; - fb.f = a; - int e = (fb.u.high.s.low & 0x00007FFF) - 16383; - if (e < 0 || (fb.u.high.s.low & 0x00008000)) - return 0; - if ((unsigned)e > sizeof(su_int) * CHAR_BIT) - return ~(su_int)0; - return fb.u.low.s.high >> (31 - e); +COMPILER_RT_ABI su_int __fixunsxfsi(long double a) { + long_double_bits fb; + fb.f = a; + int e = (fb.u.high.s.low & 0x00007FFF) - 16383; + if (e < 0 || (fb.u.high.s.low & 0x00008000)) + return 0; + if ((unsigned)e > sizeof(su_int) * CHAR_BIT) + return ~(su_int)0; + return fb.u.low.s.high >> (31 - e); } #endif /* !_ARCH_PPC */ |
