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https://github.com/KolibriOS/kolibrios.git
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35 lines
435 B
ArmAsm
35 lines
435 B
ArmAsm
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/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
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.data
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pow10.LCW1:
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.word 0
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pow10.LCW2:
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.word 0
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pow10.LC0:
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.double 0d1.0e+00
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.text
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.global pow10;
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pow10:
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fldl 4(%esp)
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fldl2t
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fmulp
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fstcw pow10.LCW1
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fstcw pow10.LCW2
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fwait
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andw $0xf3ff,pow10.LCW2
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orw $0x0400,pow10.LCW2
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fldcw pow10.LCW2
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fldl %st(0)
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frndint
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fldcw pow10.LCW1
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fxch %st(1)
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fsub %st(1),%st
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f2xm1
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faddl pow10.LC0
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fscale
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fstp %st(1)
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ret
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