Mercurial > hg > CbC > CbC_gcc

annotate gcc/config/iq2000/lib2extra-funcs.c @ 8:5066dc73ff8f

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Thu, 20 Aug 2009 19:10:35 +0900
parents a06113de4d67
children 77e2b8dfacca
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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1 typedef unsigned int USItype __attribute__ ((mode (SI)));
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2
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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3 USItype
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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4 __mulsi3 (USItype a, USItype b)
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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 USItype c = 0;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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7
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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8 while (a != 0)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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9 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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10 if (a & 1)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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11 c += b;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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12 a >>= 1;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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13 b <<= 1;
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14 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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16 return c;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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17 }