48 строки
1.5 KiB
ArmAsm
48 строки
1.5 KiB
ArmAsm
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.file "div_small.S"
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/*---------------------------------------------------------------------------+
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| div_small.S |
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| Divide a 64 bit integer by a 32 bit integer & return remainder. |
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| Copyright (C) 1992,1995 |
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| W. Metzenthen, 22 Parker St, Ormond, Vic 3163, |
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| Australia. E-mail billm@jacobi.maths.monash.edu.au |
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+---------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------+
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| unsigned long FPU_div_small(unsigned long long *x, unsigned long y) |
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+---------------------------------------------------------------------------*/
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#include "fpu_emu.h"
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.text
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ENTRY(FPU_div_small)
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pushl %ebp
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movl %esp,%ebp
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pushl %esi
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movl PARAM1,%esi /* pointer to num */
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movl PARAM2,%ecx /* The denominator */
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movl 4(%esi),%eax /* Get the current num msw */
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xorl %edx,%edx
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divl %ecx
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movl %eax,4(%esi)
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movl (%esi),%eax /* Get the num lsw */
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divl %ecx
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movl %eax,(%esi)
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movl %edx,%eax /* Return the remainder in eax */
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popl %esi
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leave
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ret
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