37 lines
700 B
ArmAsm
37 lines
700 B
ArmAsm
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/*
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* ====================================================
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* Copyright (C) 1998 by Cygnus Solutions. All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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/*
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Fast version of logf using Intel float instructions.
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float _f_log10f (float x);
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Function calculates the log base 10 of x.
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There is no error checking or setting of errno.
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*/
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#include "i386mach.h"
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.global SYM (_f_log10f)
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SOTYPE_FUNCTION(_f_log10f)
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SYM (_f_log10f):
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pushl ebp
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movl esp,ebp
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fld1
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fldl2t
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fdivrp
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flds 8(ebp)
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fyl2x
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leave
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ret
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