glibc/sysdeps/sparc/sparc32/sparcv9/fpu/s_fmaxf.S

41 lines
1.3 KiB
ArmAsm

/* fmaxf function, sparc32 v9 version.
Copyright (C) 2012-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller <davem@davemloft.net>, 2012.
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>
#define SIGN_BIT %f12 /* -0.0 */
ENTRY (__fmaxf)
st %o0, [%sp + 72]
st %o1, [%sp + 76]
ld [%sp + 72], %f1
ld [%sp + 76], %f3
fcmps %fcc1, %f3, %f3
fzeros SIGN_BIT
fmovsu %fcc1, %f1, %f3
fnegs SIGN_BIT, SIGN_BIT
fcmps %fcc2, %f1, %f3
fmovsul %fcc2, %f3, %f1
fands %f1, %f3, %f4
fandnot2s SIGN_BIT, %f4, %f4
retl
fandnot2s %f1, %f4, %f0
END (__fmaxf)
weak_alias (__fmaxf, fmaxf)