glibc/sysdeps/x86_64/fpu/s_sincosl.S

62 lines
1.5 KiB
ArmAsm

/* Compute sine and cosine of argument.
Copyright (C) 1997, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <machine/asm.h>
#include "bp-sym.h"
#include "bp-asm.h"
#define PARMS LINKAGE /* no space for saved regs */
#define ANGLE PARMS
#define SINP ANGLE+12
#define COSP SINP+PTR_SIZE
.text
ENTRY (BP_SYM (__sincosl))
ENTER
fldt 8(%rsp)
fsincos
fnstsw %ax
testl $0x400,%eax
jnz 1f
fstpt (%rsi)
fstpt (%rdi)
LEAVE
ret
.align ALIGNARG(4)
1: fldpi
fadd %st(0)
fxch %st(1)
2: fprem1
fnstsw %ax
testl $0x400,%eax
jnz 2b
fstp %st(1)
fsincos
fstpt (%rsi)
fstpt (%rdi)
LEAVE
ret
END (BP_SYM (__sincosl))
weak_alias (BP_SYM (__sincosl), BP_SYM (sincosl))