mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 16:50:07 +00:00
51 lines
1.5 KiB
ArmAsm
51 lines
1.5 KiB
ArmAsm
/* Copy a sign bit between floating-point values.
|
|
IBM extended format long double version.
|
|
Copyright (C) 2004, 2006 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <sysdep.h>
|
|
#include <math_ldbl_opt.h>
|
|
|
|
ENTRY(__copysignl)
|
|
/* long double [f1,f2] copysign (long double [f1,f2] x, long double [f3,f4] y);
|
|
copysign(x,y) returns a value with the magnitude of x and
|
|
with the sign bit of y. */
|
|
stfd fp3,-16(r1)
|
|
ld r3,-16(r1)
|
|
cmpdi r3,0
|
|
blt L(0)
|
|
fmr fp0,fp1
|
|
fabs fp1,fp1
|
|
fcmpu cr1,fp0,fp1
|
|
beqlr cr1
|
|
fneg fp2,fp2
|
|
blr
|
|
L(0):
|
|
fmr fp0,fp1
|
|
fnabs fp1,fp1
|
|
fcmpu cr1,fp0,fp1
|
|
beqlr cr1
|
|
fneg fp2,fp2
|
|
blr
|
|
END (__copysignl)
|
|
|
|
#ifdef IS_IN_libm
|
|
long_double_symbol (libm, __copysignl, copysignl)
|
|
#else
|
|
long_double_symbol (libc, __copysignl, copysignl)
|
|
#endif
|