mes/lib/tests/scaffold/17-compare-rotated.c
Ekaitz Zarraga 2be2de827f lib: tests: Add 17-compare-rotated.
* lib/tests/scaffold/17-compare-rotated.c: Add file.
* build-aux/check-mescc.sh (mes_tests): Add it.
2023-11-05 09:36:11 +01:00

43 lines
1.3 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2023 Ekaitz Zarraga <ekaitz@elenq.tech>
*
* This file is part of GNU Mes.
*
* GNU Mes is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* GNU Mes 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 a copy of the GNU General Public License
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
int
main ()
{
unsigned u = 0xFFFFFFFF;
u = u <<30 >>30; // higher 30 bits are cleared because they leave
// the register to the left
int i = 3;
int r = u != i;
if (r)
return 1;
unsigned short s = 0xFFFF;
s = s <<14 >>14; // s<<14 is promoted to int, the higher bits are
// not cleared, because there's space in the
// register
i = 0xFFFF;
r = s != i;
if (r)
return 2;
return 0;
}