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root/arch/x86/math-emu/div_small.S

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        .file   "div_small.S"
/*---------------------------------------------------------------------------+
 |  div_small.S                                                              |
 |                                                                           |
 | Divide a 64 bit integer by a 32 bit integer & return remainder.           |
 |                                                                           |
 | Copyright (C) 1992,1995                                                   |
 |                       W. Metzenthen, 22 Parker St, Ormond, Vic 3163,      |
 |                       Australia.  E-mail billm@jacobi.maths.monash.edu.au |
 |                                                                           |
 |                                                                           |
 +---------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------+
 |    unsigned long FPU_div_small(unsigned long long *x, unsigned long y)    |
 +---------------------------------------------------------------------------*/

#include "fpu_emu.h"

.text
ENTRY(FPU_div_small)
        pushl   %ebp
        movl    %esp,%ebp

        pushl   %esi

        movl    PARAM1,%esi     /* pointer to num */
        movl    PARAM2,%ecx     /* The denominator */

        movl    4(%esi),%eax    /* Get the current num msw */
        xorl    %edx,%edx
        divl    %ecx

        movl    %eax,4(%esi)

        movl    (%esi),%eax     /* Get the num lsw */
        divl    %ecx

        movl    %eax,(%esi)

        movl    %edx,%eax       /* Return the remainder in eax */

        popl    %esi

        leave
        ret


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