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61 lines
1.4 KiB
ArmAsm
61 lines
1.4 KiB
ArmAsm
/* Compute sine and cosine of argument.
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Copyright (C) 1997, 2000, 2001, 2005 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <machine/asm.h>
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#include "bp-sym.h"
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#include "bp-asm.h"
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#define PARMS LINKAGE /* no space for saved regs */
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#define ANGLE PARMS
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#define SINP ANGLE+12
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#define COSP SINP+PTR_SIZE
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.text
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ENTRY (BP_SYM (__sincos))
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ENTER
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movsd %xmm0, -8(%rsp)
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fldl -8(%rsp)
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fsincos
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fnstsw %ax
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testl $0x400,%eax
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jnz 1f
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fstpl (%rsi)
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fstpl (%rdi)
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LEAVE
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retq
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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 (%rsi)
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fstpl (%rdi)
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LEAVE
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retq
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END (BP_SYM (__sincos))
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weak_alias (BP_SYM (__sincos), BP_SYM (sincos))
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