1 /* Public domain. */ 2 typedef int SItype __attribute__ ((mode (SI))); 3 typedef unsigned int USItype __attribute__ ((mode (SI))); 4 typedef float SFtype __attribute__ ((mode (SF))); 5 6 SFtype __floatunsisf(USItype u)7__floatunsisf (USItype u) 8 { 9 SItype s = (SItype) u; 10 if (s < 0) 11 { 12 /* As in expand_float, compute (u & 1) | (u >> 1) to ensure 13 correct rounding if a nonzero bit is shifted out. */ 14 return (SFtype) 2.0 * (SFtype) (SItype) ((u & 1) | (u >> 1)); 15 } 16 else 17 return (SFtype) s; 18 } 19 20 #ifdef __ARM_EABI__ 21 __asm__ (".globl\t__aeabi_ui2f\n.set\t__aeabi_ui2f, __floatunsisf\n"); 22 #endif 23