1 /* This testcase is part of GDB, the GNU debugger.
2
3 Copyright 2015-2021 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17
18 #include <stddef.h>
19
20 char dst[0x1000000];
21 char src[8] = "abcdefgh";
22
23 void
marker1(void)24 marker1 (void)
25 {
26 }
27
28 void
marker2(void)29 marker2 (void)
30 {
31 }
32
33 static void
mvcle(void)34 mvcle (void)
35 {
36 register void *pdst asm("r2") = dst;
37 register size_t ndst asm("r3") = sizeof dst;
38 register void *psrc asm("r4") = src;
39 register size_t nsrc asm("r5") = sizeof src;
40 asm volatile ("0: mvcle 2, 4, 0x69\n"
41 "jo 0b\n"
42 : "=r" (pdst), "=r" (ndst), "=r" (psrc), "=r" (nsrc)
43 : "0" (pdst), "1" (ndst), "2" (psrc), "3" (nsrc)
44 : "cc", "memory");
45 }
46
47 int
main(void)48 main (void)
49 {
50 marker1 ();
51 mvcle ();
52 marker2 ();
53 return 0;
54 }
55