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49 lines
1.3 KiB
ArmAsm
49 lines
1.3 KiB
ArmAsm
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/* Compute sine and cosine of argument.
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Copyright (C) 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <machine/asm.h>
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ENTRY(__sincos)
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fldl 4(%esp)
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fsincos
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movl 12(%esp), %ecx
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movl 16(%esp), %edx
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fnstsw %ax
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testl $0x400,%eax
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jnz 1f
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fstpl (%edx)
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fstpl (%ecx)
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ret
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.align ALIGNARG(4)
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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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fnstsw %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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fsincos
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fstpl (%edx)
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fstpl (%ecx)
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ret
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END(__sincos)
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weak_alias(__sincos, sincos)
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