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author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 09:16:31 (GMT) |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 09:16:31 (GMT) |
commit | da957e111bb0c189a4a3bf8a00caaecb59ed94ca (patch) | |
tree | 6916075fdd3e28869dcd3dfa2cf160a74d1cb02e /arch/x86/math-emu/div_small.S | |
parent | 2ec1df4130c60d1eb49dc0fa0ed15858fede6b05 (diff) | |
download | linux-da957e111bb0c189a4a3bf8a00caaecb59ed94ca.tar.xz |
i386: move math-emu
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/math-emu/div_small.S')
-rw-r--r-- | arch/x86/math-emu/div_small.S | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/x86/math-emu/div_small.S b/arch/x86/math-emu/div_small.S new file mode 100644 index 0000000..4709962 --- /dev/null +++ b/arch/x86/math-emu/div_small.S @@ -0,0 +1,47 @@ + .file "div_small.S" +/*---------------------------------------------------------------------------+ + | div_small.S | + | | + | Divide a 64 bit integer by a 32 bit integer & return remainder. | + | | + | Copyright (C) 1992,1995 | + | W. Metzenthen, 22 Parker St, Ormond, Vic 3163, | + | Australia. E-mail billm@jacobi.maths.monash.edu.au | + | | + | | + +---------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------+ + | unsigned long FPU_div_small(unsigned long long *x, unsigned long y) | + +---------------------------------------------------------------------------*/ + +#include "fpu_emu.h" + +.text +ENTRY(FPU_div_small) + pushl %ebp + movl %esp,%ebp + + pushl %esi + + movl PARAM1,%esi /* pointer to num */ + movl PARAM2,%ecx /* The denominator */ + + movl 4(%esi),%eax /* Get the current num msw */ + xorl %edx,%edx + divl %ecx + + movl %eax,4(%esi) + + movl (%esi),%eax /* Get the num lsw */ + divl %ecx + + movl %eax,(%esi) + + movl %edx,%eax /* Return the remainder in eax */ + + popl %esi + + leave + ret + |