87a27b3337
* sysdeps/i386/fpu/s_cosf.S: Domain of opcode is not large enough so test for overflow and handle it. * sysdeps/i386/fpu/s_sinf.S: Likewise. * sysdeps/i386/fpu/s_tanf.S: Likewise. Patch by Miloslav Trmac <mitr@volny.cz> (PR libc/1563).
31 lines
413 B
ArmAsm
31 lines
413 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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#include <machine/asm.h>
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RCSID("$NetBSD: s_tanf.S,v 1.3 1995/05/09 00:31:09 jtc Exp $")
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ENTRY(__tanf)
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flds 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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END (__tanf)
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weak_alias (__tanf, tanf)
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