Mercurial > hg > CbC > CbC_gcc

annotate gcc/config/floatunsixf.c @ 55:77e2b8dfacca gcc-4.4.5

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update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
parents a06113de4d67
children
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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1 /* Public domain. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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2 typedef int SItype __attribute__ ((mode (SI)));
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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3 typedef unsigned int USItype __attribute__ ((mode (SI)));
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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4 typedef float XFtype __attribute__ ((mode (XF)));
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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5
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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6 XFtype
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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7 __floatunsixf (USItype u)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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8 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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9 SItype s = (SItype) u;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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10 XFtype r = (XFtype) s;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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11 if (s < 0)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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12 r += (XFtype)2.0 * (XFtype) ((USItype) 1
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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13 << (sizeof (USItype) * __CHAR_BIT__ - 1));
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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14 return r;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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15 }