maint: sync longlong.h from gmp

* .x-update-copyright: Add src/longlong.h.
* src/longlong.h: Sync from gmp.
This commit is contained in:
Paul Eggert
2025-05-11 18:00:50 -07:00
parent 4274ff6eee
commit c1424ea25e
2 changed files with 27 additions and 12 deletions

View File

@@ -2,4 +2,5 @@
^bootstrap$
^doc/fdl\.texi$
^man/help2man$
^src/longlong\.h$
^tests/init\.sh$

View File

@@ -1,19 +1,33 @@
/* longlong.h -- definitions for mixed size 32/64 bit arithmetic.
Copyright 1991-2025 Free Software Foundation, Inc.
Copyright 1991-1994, 1996, 1997, 1999-2005, 2007-2009, 2011-2020 Free Software
Foundation, Inc.
This file 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 3 of the License, or (at your option) any
later version.
This file is part of the GNU MP Library.
This file 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.
The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of either:
You should have received a copy of the GNU Lesser General Public License
along with this file. If not, see https://www.gnu.org/licenses/. */
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your
option) any later version.
or
* the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any
later version.
or both in parallel, as here.
The GNU MP 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 General Public License
for more details.
You should have received copies of the GNU General Public License and the
GNU Lesser General Public License along with the GNU MP Library. If not,
see https://www.gnu.org/licenses/. */
/* You have to define the following before including this file:
@@ -1148,7 +1162,7 @@ extern UWtype __MPN(udiv_qrnnd) (UWtype *, UWtype, UWtype, UWtype);
do { \
UDItype __u = (u), __v = (v); \
(w0) = __u * __v; \
(w1) = (unsigned __int128__) __u * __v >> 64; \
(w1) = __extension__ (unsigned __int128) __u * __v >> 64; \
} while (0)
#endif