35 lines
683 B
ArmAsm
35 lines
683 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 ldexp using Intel float instructions.
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double _f_ldexp (double x, int exp);
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Function calculates x * 2 ** exp.
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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_ldexp)
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SOTYPE_FUNCTION(_f_ldexp)
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SYM (_f_ldexp):
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pushl ebp
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movl esp,ebp
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fild 16(ebp)
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fldl 8(ebp)
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fscale
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fstp st1
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leave
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ret
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