mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-26 20:51:11 +00:00
49 lines
1.3 KiB
ArmAsm
49 lines
1.3 KiB
ArmAsm
/* Compute sine and cosine of argument.
|
|
Copyright (C) 1997 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <machine/asm.h>
|
|
|
|
ENTRY(__sincos)
|
|
fldl 4(%esp)
|
|
fsincos
|
|
movl 12(%esp), %ecx
|
|
movl 16(%esp), %edx
|
|
fnstsw %ax
|
|
testl $0x400,%eax
|
|
jnz 1f
|
|
fstpl (%edx)
|
|
fstpl (%ecx)
|
|
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
|
|
fstpl (%edx)
|
|
fstpl (%ecx)
|
|
ret
|
|
END(__sincos)
|
|
weak_alias(__sincos, sincos)
|