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Diffstat (limited to 'sysdeps/powerpc/s_fmax.S')
| -rw-r--r-- | sysdeps/powerpc/s_fmax.S | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/powerpc/s_fmax.S b/sysdeps/powerpc/s_fmax.S new file mode 100644 index 0000000000..559769a251 --- /dev/null +++ b/sysdeps/powerpc/s_fmax.S @@ -0,0 +1,43 @@ +/* Floating-point maximum. PowerPC version. + Copyright (C) 1997 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. */ + +#include <sysdep.h> + +ENTRY(__fmax) +/* double [f1] fmax (double [f1] x, double [f2] y); */ + fcmpu %cr0,%f1,%f2 + blt %cr0,0f /* if x < y, neither x nor y can be NaN... */ + bnulr+ %cr0 +/* x and y are unordered, so one of x or y must be a NaN... */ + fcmpu %cr1,%f2,%f2 + bunlr %cr1 +0: fmr %f1,%f2 + blr +END(__fmax) + +weak_alias(__fmax,fmax) + +/* It turns out that it's safe to use this code even for single-precision. */ +strong_alias(__fmax,__fmaxf) +weak_alias(__fmax,fmaxf) + +#ifdef NO_LONG_DOUBLE +weak_alias(__fmax,__fmaxl) +weak_alias(__fmax,fmaxl) +#endif |