ashldi3.c

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#include <linux/module.h>

#include "libgcc.h"

long long __ashldi3(long long u, word_type b)
{
    DWunion uu, w;
    word_type bm;

    if (b == 0)
        return u;

    uu.ll = u;
    bm = 32 - b;

    if (bm <= 0) {
        w.s.low = 0;
        w.s.high = (unsigned int) uu.s.low << -bm;
    } else {
        const unsigned int carries = (unsigned int) uu.s.low >> bm;

        w.s.low = (unsigned int) uu.s.low << b;
        w.s.high = ((unsigned int) uu.s.high << b) | carries;
    }

    return w.ll;
}

EXPORT_SYMBOL(__ashldi3);