| /contrib/toolchain/gcc/5x/libgcc/floatunsisf.c |
|---|
| 0,0 → 1,18 |
| /* Public domain. */ |
| typedef int SItype __attribute__ ((mode (SI))); |
| typedef unsigned int USItype __attribute__ ((mode (SI))); |
| typedef float SFtype __attribute__ ((mode (SF))); |
| SFtype |
| __floatunsisf (USItype u) |
| { |
| SItype s = (SItype) u; |
| if (s < 0) |
| { |
| /* As in expand_float, compute (u & 1) | (u >> 1) to ensure |
| correct rounding if a nonzero bit is shifted out. */ |
| return (SFtype) 2.0 * (SFtype) (SItype) ((u & 1) | (u >> 1)); |
| } |
| else |
| return (SFtype) s; |
| } |