Files
gcc-os2/libgcc/floatunsisf.c
Dmitriy Kuminov fbf7869a1b vendor: Import gcc-9_2_0-release.
Source URL:    git://gcc.gnu.org/git/gcc.git
Source Commit: 3e7b85061947bdc7c7465743ba90734566860821
2019-11-18 21:50:01 +03:00

19 lines
486 B
C

/* 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;
}