glibc/sysdeps/powerpc/fpu/s_copysign.S
Ulrich Drepper 2293395f48 Update.
* nss/getXXbyYY_r.c (do_weak_alias): Remove unnecessary parenthesis.
	* sysdeps/powerpc/s_copysign.S: Move to...
	* sysdeps/powerpc/fpu/s_copysign.S: ...here.  Use portable asm syntax.
	* sysdeps/powerpc/s_copysignf.S: Move to...
	* sysdeps/powerpc/fpu/s_copysignf.S: ...here.
	* sysdeps/powerpc/s_fabs.S: Move to...
	* sysdeps/powerpc/fpu/s_fabs.S: ...here.  Use portable asm syntax.
	* sysdeps/powerpc/s_fabsf.S: Move to...
	* sysdeps/powerpc/fpu/s_fabsf.S: ...here.
	* sysdeps/powerpc/s_fdim.c: Move to...
	* sysdeps/powerpc/fpu/s_fdim.c: ...here.
	* sysdeps/powerpc/s_fdimf.c: Move to...
	* sysdeps/powerpc/fpu/s_fdimf.c: ...here.
	* sysdeps/powerpc/s_fmax.S: Move to...
	* sysdeps/powerpc/fpu/s_fmax.S: ...here.  Use portable asm syntax.
	* sysdeps/powerpc/s_fmaxf.S: Move to...
	* sysdeps/powerpc/fpu/s_fmaxf.S: ...here.
	* sysdeps/powerpc/s_fmin.S: Move to...
	* sysdeps/powerpc/fpu/s_fmin.S: ...here.  Use portable asm syntax.
	* sysdeps/powerpc/s_fminf.S: Move to...
	* sysdeps/powerpc/fpu/s_fminf.S: ...here.
	* sysdeps/powerpc/s_isnan.S: Move to...
	* sysdeps/powerpc/fpu/s_isnan.c: ...here.
	* sysdeps/powerpc/s_isnanf.S: Move to...
	* sysdeps/powerpc/fpu/s_isnanf.S: ...here.
	* sysdeps/powerpc/s_llrint.c: Move to...
	* sysdeps/powerpc/fpu/s_llrint.c: ...here.
	* sysdeps/powerpc/s_llrintf.c: Move to...
	* sysdeps/powerpc/fpu/s_llrintf.c: ...here.
	* sysdeps/powerpc/s_llround.c: Move to...
	* sysdeps/powerpc/fpu/s_llround.c: ...here.
	* sysdeps/powerpc/s_llroundf.c: Move to...
	* sysdeps/powerpc/fpu/s_llroundf.c: ...here.
	* sysdeps/powerpc/s_lrint.c: Move to...
	* sysdeps/powerpc/fpu/s_lrint.c: ...here.
	* sysdeps/powerpc/s_lrintf.S: Move to...
	* sysdeps/powerpc/fpu/s_lrintf.S: ...here.
	* sysdeps/powerpc/s_lround.c: Move to...
	* sysdeps/powerpc/fpu/s_lround.c: ...here.
	* sysdeps/powerpc/s_lroundf.c: Move to...
	* sysdeps/powerpc/fpu/s_lroundf.c: ...here.
	* sysdeps/powerpc/s_rint.c: Move to...
	* sysdeps/powerpc/fpu/s_rint.c: ...here.
	* sysdeps/powerpc/s_rintf.c: Move to...
	* sysdeps/powerpc/fpu/s_rintf.c: ...here.
	* sysdeps/powerpc/t_sqrt.c: Move to...
	* sysdeps/powerpc/fpu/t_sqrt: ...here.
	* sysdeps/powerpc/w_sqrt.c: Move to...
	* sysdeps/powerpc/fpu/w_sqrt.c: ...here.
	* sysdeps/powerpc/w_sqrtf.c: Move to...
	* sysdeps/powerpc/fpu/w_sqrtf.c: ...here.
	* configure.in: Support platforms which have no .text pseudo-op.
	Patches partly by Jimi X <jimix@pobox.com>.
1999-10-10 00:00:36 +00:00

51 lines
1.6 KiB
ArmAsm

/* Copy a sign bit between floating-point values.
Copyright (C) 1997, 1999 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 1,-16(1)
stfd 2,8(1)
lwz 3,8(1)
cmpwi 3,0
addi 1,1,16
blt 0f
fabs 1,1
blr
0: fnabs 1,1
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