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0001 /* SPDX-License-Identifier: GPL-2.0 */ 0002 .file "div_small.S" 0003 /*---------------------------------------------------------------------------+ 0004 | div_small.S | 0005 | | 0006 | Divide a 64 bit integer by a 32 bit integer & return remainder. | 0007 | | 0008 | Copyright (C) 1992,1995 | 0009 | W. Metzenthen, 22 Parker St, Ormond, Vic 3163, | 0010 | Australia. E-mail billm@jacobi.maths.monash.edu.au | 0011 | | 0012 | | 0013 +---------------------------------------------------------------------------*/ 0014 0015 /*---------------------------------------------------------------------------+ 0016 | unsigned long FPU_div_small(unsigned long long *x, unsigned long y) | 0017 +---------------------------------------------------------------------------*/ 0018 0019 #include "fpu_emu.h" 0020 0021 .text 0022 SYM_FUNC_START(FPU_div_small) 0023 pushl %ebp 0024 movl %esp,%ebp 0025 0026 pushl %esi 0027 0028 movl PARAM1,%esi /* pointer to num */ 0029 movl PARAM2,%ecx /* The denominator */ 0030 0031 movl 4(%esi),%eax /* Get the current num msw */ 0032 xorl %edx,%edx 0033 divl %ecx 0034 0035 movl %eax,4(%esi) 0036 0037 movl (%esi),%eax /* Get the num lsw */ 0038 divl %ecx 0039 0040 movl %eax,(%esi) 0041 0042 movl %edx,%eax /* Return the remainder in eax */ 0043 0044 popl %esi 0045 0046 leave 0047 RET 0048 SYM_FUNC_END(FPU_div_small)
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