diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/s_fminf.S')
| -rw-r--r-- | sysdeps/x86_64/fpu/s_fminf.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/s_fminf.S b/sysdeps/x86_64/fpu/s_fminf.S new file mode 100644 index 0000000000..8e6f04bc08 --- /dev/null +++ b/sysdeps/x86_64/fpu/s_fminf.S @@ -0,0 +1,36 @@ +/* Compute minimum of two numbers, regarding NaN as missing argument. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger <aj@suse.de>, 2002. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> + + .text +ENTRY(__fminf) + ucomiss %xmm0, %xmm1 + jp 1f // jump if unordered + minss %xmm1, %xmm0 + jmp 2f + +1: ucomiss %xmm1, %xmm1 // Is xmm1 a NaN? + jp 2f // then return xmm0 + movss %xmm1, %xmm0 // otherwise return xmm1 + +2: ret +END(__fminf) +weak_alias (__fminf, fminf) |