Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/floatunsixf.c @ 8:5066dc73ff8f
xxx
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Thu, 20 Aug 2009 19:10:35 +0900 |
parents | a06113de4d67 |
children |
rev | line source |
---|---|
0 | 1 /* Public domain. */ |
2 typedef int SItype __attribute__ ((mode (SI))); | |
3 typedef unsigned int USItype __attribute__ ((mode (SI))); | |
4 typedef float XFtype __attribute__ ((mode (XF))); | |
5 | |
6 XFtype | |
7 __floatunsixf (USItype u) | |
8 { | |
9 SItype s = (SItype) u; | |
10 XFtype r = (XFtype) s; | |
11 if (s < 0) | |
12 r += (XFtype)2.0 * (XFtype) ((USItype) 1 | |
13 << (sizeof (USItype) * __CHAR_BIT__ - 1)); | |
14 return r; | |
15 } |