mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-18 11:00:07 +00:00
4e141d64a5
* sysdeps/powerpc/fpu/s_copysign.S: Use L() instead of local labels. * sysdeps/powerpc/submul_1.S: Likewise. * sysdeps/powerpc/sub_n.S: Likewise. * sysdeps/powerpc/strcpy.S: Likewise. * sysdeps/powerpc/strcmp.S: Likewise. * sysdeps/powerpc/stpcpy.S: Likewise. * sysdeps/powerpc/rshift.S: Likewise. * sysdeps/powerpc/mul_1.S: Likewise. * sysdeps/powerpc/memset.S: Likewise. * sysdeps/powerpc/lshift.S: Likewise. * sysdeps/powerpc/addmul_1.S: Likewise. * sysdeps/powerpc/add_n.S: Likewise.
51 lines
1.6 KiB
ArmAsm
51 lines
1.6 KiB
ArmAsm
/* Copy a sign bit between floating-point values.
|
|
Copyright (C) 1997, 1999, 2000 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 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. */
|
|
|
|
/* This has been coded in assembler because GCC makes such a mess of it
|
|
when it's coded in C. */
|
|
|
|
#include <sysdep.h>
|
|
|
|
ENTRY(__copysign)
|
|
/* double [f1] copysign (double [f1] x, double [f2] y);
|
|
copysign(x,y) returns a value with the magnitude of x and
|
|
with the sign bit of y. */
|
|
stwu r1,-16(r1)
|
|
stfd fp2,8(r1)
|
|
lwz r3,8(r1)
|
|
cmpwi r3,0
|
|
addi r1,r1,16
|
|
blt L(0)
|
|
fabs fp1,fp1
|
|
blr
|
|
L(0): fnabs fp1,fp1
|
|
blr
|
|
END (__copysign)
|
|
|
|
weak_alias(__copysign,copysign)
|
|
|
|
/* It turns out that it's safe to use this code even for single-precision. */
|
|
weak_alias(__copysign,copysignf)
|
|
strong_alias(__copysign,__copysignf)
|
|
|
|
#ifdef NO_LONG_DOUBLE
|
|
weak_alias(__copysign,copysignl)
|
|
strong_alias(__copysign,__copysignl)
|
|
#endif
|