hc
2025-02-14 bbb9540dc49f70f6b703d1c8d1b85fa5f602d86e
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/* SPDX-License-Identifier: GPL-2.0 */
   .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
SYM_FUNC_START(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
SYM_FUNC_END(FPU_div_small)