-/* Manipulating the FPU control word.
- Copyright (C) 2007-2013 Free Software Foundation, Inc.
+/* Manipulating the FPU control word. -*- coding: utf-8 -*-
+ Copyright (C) 2007-2018 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2007.
This program is free software: you can redistribute it and/or modify
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _FPUCW_H
#define _FPUCW_H
The FPU control word is under control of the application, i.e. it is
not required to be set either way by the ABI. (In fact, the i386 ABI
- http://refspecs.freestandards.org/elf/abi386-4.pdf page 3-12 = page 38
+ https://www.linux-mips.org/pub/linux/mips/doc/ABI/abi386-4.pdf page 3-12 = page 38
is not clear about it. But in any case, gcc treats the control word
like a "preserved" register: it emits code that assumes that the control
word is preserved across calls, and it restores the control word at the
end of functions that modify it.)
- See Vincent Lefèvre's page http://www.vinc17.org/research/extended.en.html
+ See Vincent Lefèvre's page https://www.vinc17.net/research/extended.en.html
for a good explanation.
See http://www.uwsg.iu.edu/hypermail/linux/kernel/0103.0/0453.html for
some argumentation which setting should be the default. */