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Viewing changes to arch/microblaze/lib/ashldi3.c

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/microblaze/lib/ashldi3.c
 
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#include <linux/module.h>
 
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#include "libgcc.h"
 
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long long __ashldi3(long long u, word_type b)
 
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{
 
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        DWunion uu, w;
 
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        word_type bm;
 
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        if (b == 0)
 
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                return u;
 
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        uu.ll = u;
 
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        bm = 32 - b;
 
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        if (bm <= 0) {
 
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                w.s.low = 0;
 
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                w.s.high = (unsigned int) uu.s.low << -bm;
 
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        } else {
 
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                const unsigned int carries = (unsigned int) uu.s.low >> bm;
 
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                w.s.low = (unsigned int) uu.s.low << b;
 
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                w.s.high = ((unsigned int) uu.s.high << b) | carries;
 
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        }
 
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        return w.ll;
 
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}
 
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EXPORT_SYMBOL(__ashldi3);