| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | .file "div_small.S" |
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| 3 | /*---------------------------------------------------------------------------+ |
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| 4 | | div_small.S | |
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| 5 | | | |
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| 6 | | Divide a 64 bit integer by a 32 bit integer & return remainder. | |
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| 7 | | | |
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| 8 | | Copyright (C) 1992,1995 | |
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| 9 | | W. Metzenthen, 22 Parker St, Ormond, Vic 3163, | |
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| 10 | | Australia. E-mail billm@jacobi.maths.monash.edu.au | |
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| 11 | | | |
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| 12 | | | |
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| 13 | +---------------------------------------------------------------------------*/ |
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| 14 | |
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| 15 | /*---------------------------------------------------------------------------+ |
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| 16 | | unsigned long FPU_div_small(unsigned long long *x, unsigned long y) | |
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| 17 | +---------------------------------------------------------------------------*/ |
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| 18 | |
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| 19 | #include "fpu_emu.h" |
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| 20 | |
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| 21 | .text |
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| 22 | SYM_FUNC_START(FPU_div_small) |
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| 23 | pushl %ebp |
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| 24 | movl %esp,%ebp |
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| 25 | |
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| 26 | pushl %esi |
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| 27 | |
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| 28 | movl PARAM1,%esi /* pointer to num */ |
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| 29 | movl PARAM2,%ecx /* The denominator */ |
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| 30 | |
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| 31 | movl 4(%esi),%eax /* Get the current num msw */ |
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| 32 | xorl %edx,%edx |
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| 33 | divl %ecx |
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| 34 | |
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| 35 | movl %eax,4(%esi) |
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| 36 | |
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| 37 | movl (%esi),%eax /* Get the num lsw */ |
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| 38 | divl %ecx |
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| 39 | |
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| 40 | movl %eax,(%esi) |
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| 41 | |
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| 42 | movl %edx,%eax /* Return the remainder in eax */ |
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| 43 | |
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| 44 | popl %esi |
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| 45 | |
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| 46 | leave |
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| 47 | RET |
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| 48 | SYM_FUNC_END(FPU_div_small) |
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| 49 | |
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