diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/fpu/s_fmax.S')
| -rw-r--r-- | sysdeps/sparc/sparc64/fpu/s_fmax.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/s_fmax.S b/sysdeps/sparc/sparc64/fpu/s_fmax.S new file mode 100644 index 0000000000..21a2c80958 --- /dev/null +++ b/sysdeps/sparc/sparc64/fpu/s_fmax.S @@ -0,0 +1,36 @@ +/* fmax function, sparc64 version. + Copyright (C) 2012 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 (__fmax) + fcmpd %fcc1, %f2, %f2 + fzero SIGN_BIT + fmovdu %fcc1, %f0, %f2 + fnegd SIGN_BIT, SIGN_BIT + fcmpd %fcc2, %f0, %f2 + fmovdul %fcc2, %f2, %f0 + fand %f0, %f2, %f4 + fandnot2 SIGN_BIT, %f4, %f4 + retl + fandnot2 %f0, %f4, %f0 +END (__fmax) +weak_alias (__fmax, fmax) |