72ec66bd86
We detected the value in off64 in the test is not -1 as it should but 56 ones. This is because the rotation is applied as unsigned even with the signed cast. This breaks many things in tcc. * lib/tests/scaffold/50-compare-rotated-weird.c: New file. * build-aux/check-mescc.sh (mes_tests): Add it.
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2023 Ekaitz Zarraga <ekaitz@elenq.tech>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <mes/lib.h>
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#include <string.h>
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int
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main ()
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{
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uint64_t val = 0x27c1c;
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uint64_t addr = 0x28bb4;
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uint64_t off64 = (int64_t)((int64_t)(val - addr + 0x800) >> 12);
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uint64_t cond = (off64 + ((uint64_t)1 << 20)) >> 21;
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if (cond)
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{
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eputs ("failure: ");
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eputs (itoa (cond));
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eputs ("\n");
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return 2;
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}
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return 0;
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}
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