Mercurial > hg > CbC > CbC_gcc
annotate libgcc/floatunsidf.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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children |
rev | line source |
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111 | 1 /* Public domain. */ |
2 typedef int SItype __attribute__ ((mode (SI))); | |
3 typedef unsigned int USItype __attribute__ ((mode (SI))); | |
4 typedef float DFtype __attribute__ ((mode (DF))); | |
5 | |
6 DFtype | |
7 __floatunsidf (USItype u) | |
8 { | |
9 SItype s = (SItype) u; | |
10 DFtype r = (DFtype) s; | |
11 if (s < 0) | |
12 r += (DFtype)2.0 * (DFtype) ((USItype) 1 | |
13 << (sizeof (USItype) * __CHAR_BIT__ - 1)); | |
14 return r; | |
15 } |