projects / thirdparty / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | .file "div_small.S" |
| 3 | /*---------------------------------------------------------------------------+ | |
| 4 | | div_small.S | | |
| 5 | | | | |
| 6 | | Divide a 64 bit integer by a 32 bit integer & return remainder. | | |
| 7 | | | | |
| 8 | | Copyright (C) 1992,1995 | | |
| 9 | | W. Metzenthen, 22 Parker St, Ormond, Vic 3163, | | |
| 10 | | Australia. E-mail billm@jacobi.maths.monash.edu.au | | |
| 11 | | | | |
| 12 | | | | |
| 13 | +---------------------------------------------------------------------------*/ | |
| 14 | ||
| 15 | /*---------------------------------------------------------------------------+ | |
| 16 | | unsigned long FPU_div_small(unsigned long long *x, unsigned long y) | | |
| 17 | +---------------------------------------------------------------------------*/ | |
| 18 | ||
| 19 | #include "fpu_emu.h" | |
| 20 | ||
| 21 | .text | |
| 22 | ENTRY(FPU_div_small) | |
| 23 | pushl %ebp | |
| 24 | movl %esp,%ebp | |
| 25 | ||
| 26 | pushl %esi | |
| 27 | ||
| 28 | movl PARAM1,%esi /* pointer to num */ | |
| 29 | movl PARAM2,%ecx /* The denominator */ | |
| 30 | ||
| 31 | movl 4(%esi),%eax /* Get the current num msw */ | |
| 32 | xorl %edx,%edx | |
| 33 | divl %ecx | |
| 34 | ||
| 35 | movl %eax,4(%esi) | |
| 36 | ||
| 37 | movl (%esi),%eax /* Get the num lsw */ | |
| 38 | divl %ecx | |
| 39 | ||
| 40 | movl %eax,(%esi) | |
| 41 | ||
| 42 | movl %edx,%eax /* Return the remainder in eax */ | |
| 43 | ||
| 44 | popl %esi | |
| 45 | ||
| 46 | leave | |
| 47 | ret | |
| bd6be579 | 48 | ENDPROC(FPU_div_small) |