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| author | Andreas Jaeger <aj@suse.de> | 2002-07-06 15:07:30 +0000 |
|---|---|---|
| committer | Andreas Jaeger <aj@suse.de> | 2002-07-06 15:07:30 +0000 |
| commit | 9359218f0fa991ee10df00cfdc4fc1822c9d9597 (patch) | |
| tree | 9850632a6d8c6587f9b2adc0288b4994ea87c2ea /sysdeps/x86_64/fpu/s_fmax.S | |
| parent | aeb25823d8ef62566bef76351cc318673f3f36c7 (diff) | |
| download | glibc-9359218f0fa991ee10df00cfdc4fc1822c9d9597.tar.gz glibc-9359218f0fa991ee10df00cfdc4fc1822c9d9597.tar.xz glibc-9359218f0fa991ee10df00cfdc4fc1822c9d9597.zip | |
Update.
2002-07-06 Andreas Jaeger <aj@suse.de> * sysdeps/x86_64/fpu/bits/mathinline.h: New. * sysdeps/x86_64/fpu/s_copysign.S: New. * sysdeps/x86_64/fpu/s_copysignf.S: New. * sysdeps/x86_64/fpu/s_copysignl.S: New. * sysdeps/x86_64/fpu/s_finitel.S: New. * sysdeps/x86_64/fpu/s_fmax.S: New. * sysdeps/x86_64/fpu/s_fmaxf.S: New. * sysdeps/x86_64/fpu/s_fmaxl.S: New. * sysdeps/x86_64/fpu/s_fmin.S: New. * sysdeps/x86_64/fpu/s_fminf.S: New. * sysdeps/x86_64/fpu/s_fminl.S: New.
Diffstat (limited to 'sysdeps/x86_64/fpu/s_fmax.S')
| -rw-r--r-- | sysdeps/x86_64/fpu/s_fmax.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/s_fmax.S b/sysdeps/x86_64/fpu/s_fmax.S new file mode 100644 index 0000000000..b55d6f84ce --- /dev/null +++ b/sysdeps/x86_64/fpu/s_fmax.S @@ -0,0 +1,36 @@ +/* Compute maximum 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(__fmax) + ucomisd %xmm0, %xmm1 + jp 1f // jump if unordered + maxsd %xmm1, %xmm0 + jmp 2f + +1: ucomisd %xmm1, %xmm1 // Is xmm1 a NaN? + jp 2f // then return xmm0 + movsd %xmm1, %xmm0 // otherwise return xmm1 + +2: ret +END(__fmax) +weak_alias (__fmax, fmax) |