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view gcc/config/floatunsidf.c @ 64:d9bee9007a48

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Added tag gcc-4.6-20100522 for changeset b7f97abdc517
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 24 May 2010 12:48:09 +0900
parents a06113de4d67
children
line wrap: on
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/* Public domain.  */
typedef int SItype __attribute__ ((mode (SI)));
typedef unsigned int USItype __attribute__ ((mode (SI)));
typedef float DFtype __attribute__ ((mode (DF)));

DFtype
__floatunsidf (USItype u)
{
  SItype s = (SItype) u;
  DFtype r = (DFtype) s;
  if (s < 0)
    r += (DFtype)2.0 * (DFtype) ((USItype) 1
				 << (sizeof (USItype) * __CHAR_BIT__ - 1));
  return r;
}