4faeece057
* module/mes/as-i386.mes (i386:accu*n->local, i386:byte-accu->local+n, i386:word-accu->local+n): Remove. (i386:byte-accu, i386:signed-byte-accu, i386:word-accu, i386:signed-word-accu): New function. * module/mes/as-i386.scm: Export them. * module/language/c99/compiler.mes (accu->local+n-text): Simplify. (mem->accu, convert-accu): New function. (expr->accu): Use them. * stage0/x86.M1 (mov____%al,0x32(%ebp), mov____%al,0x8(%ebp), mov____%ax,0x32(%ebp), mov____%ax,0x8(%ebp), movzbl_0x32(%ebp),%eax, movzbl_0x8(%ebp),%eax, movzwl_0x32(%ebp),%eax, movzwl_0x8(%ebp),%eax): Deprecate. * scaffold/tests/7r-sign-extend.c: Test it. * build-aux/check-mescc.sh (tests): Run it.
105 lines
1.8 KiB
C
105 lines
1.8 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of Mes.
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*
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* 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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* 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 Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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char global_c = -1;
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struct foo {char type;};
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int
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main ()
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{
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{
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char c = -1;
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int i = c;
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if (i != -1)
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return 1;
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}
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{
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int i = global_c;
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if (i != -1)
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return 2;
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}
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{
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char c = -1;
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int ints[2] = {c, 0};
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if (ints[0] != -1)
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return 3;
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}
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{
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char c = -1;
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int i = c;
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if (i != -1)
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return 4;
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}
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{
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char c = -1;
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int i = c;
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if (i != -1)
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return 5;
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}
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{
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char a[2] = {-1, -129};
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int i = a[0];
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if (i != -1)
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return 6;
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if (a[0] != -1)
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return 7;
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}
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{
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struct foo f = {-1};
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int i = f.type;
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if (i != -1)
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return 8;
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struct foo *g = &f;
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i = g->type;
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if (i != -1)
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return 9;
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}
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{
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char c = -1;
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char *p = &c;
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int i = *p;
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if (i != -1)
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return 10;
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}
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{
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int i = -129;
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i = (char)i;
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if (i != 127)
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return 11;
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}
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{
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unsigned char b = -129;
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int i = b;
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if (i != 127)
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return 12;
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}
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return 0;
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}
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