1 .file "div_small.S" 2/*---------------------------------------------------------------------------+ 3 | div_small.S | 4 | | 5 | Divide a 64 bit integer by a 32 bit integer & return remainder. | 6 | | 7 | Copyright (C) 1992,1995 | 8 | W. Metzenthen, 22 Parker St, Ormond, Vic 3163, | 9 | Australia. E-mail billm@jacobi.maths.monash.edu.au | 10 | | 11 | | 12 +---------------------------------------------------------------------------*/ 13 14/*---------------------------------------------------------------------------+ 15 | unsigned long FPU_div_small(unsigned long long *x, unsigned long y) | 16 +---------------------------------------------------------------------------*/ 17 18#include "fpu_emu.h" 19 20.text 21ENTRY(FPU_div_small) 22 pushl %ebp 23 movl %esp,%ebp 24 25 pushl %esi 26 27 movl PARAM1,%esi /* pointer to num */ 28 movl PARAM2,%ecx /* The denominator */ 29 30 movl 4(%esi),%eax /* Get the current num msw */ 31 xorl %edx,%edx 32 divl %ecx 33 34 movl %eax,4(%esi) 35 36 movl (%esi),%eax /* Get the num lsw */ 37 divl %ecx 38 39 movl %eax,(%esi) 40 41 movl %edx,%eax /* Return the remainder in eax */ 42 43 popl %esi 44 45 leave 46 ret 47ENDPROC(FPU_div_small) 48