forked from KolibriOS/kolibrios
32 lines
504 B
ArmAsm
32 lines
504 B
ArmAsm
/*
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* Written by J.T. Conklin <jtc@netbsd.org>.
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* Public domain.
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*
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* Removed header file dependency for use in libmingwex.a by
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* Danny Smith <dannysmith@users.sourceforge.net>
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*/
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.file "tan.s"
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.text
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.align 4
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.globl _tan
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.def _tan; .scl 2; .type 32; .endef
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_tan:
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fldl 4(%esp)
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fptan
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fnstsw %ax
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testl $0x400,%eax
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jnz 1f
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fstp %st(0)
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ret
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1: fldpi
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fadd %st(0)
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fxch %st(1)
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2: fprem1
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fstsw %ax
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testl $0x400,%eax
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jnz 2b
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fstp %st(1)
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fptan
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fstp %st(0)
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ret
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