URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [config/] [floatunsisf.c] - Blame information for rev 856

Go to most recent revision | Details | Compare with Previous | View Log


/* 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;
}

Line No.	Rev	Author	Line
1	38	julius	`/* 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`
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			`}`

Browse

Tools

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [config/] [floatunsisf.c] - Blame information for rev 856