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1 /*
2 * Test the MDEB and MDEBR instructions.
3 *
4 * SPDX-License-Identifier: GPL-2.0-or-later
5 */
6 #include <assert.h>
7 #include <stdlib.h>
8
9 int main(void)
10 {
11 union {
12 float f[2];
13 double d;
14 } a;
15 float b;
16
17 a.f[0] = 1.2345;
18 a.f[1] = 999;
19 b = 6.789;
20 asm("mdeb %[a],%[b]" : [a] "+f" (a.d) : [b] "R" (b));
21 assert(a.d > 8.38 && a.d < 8.39);
22
23 a.f[0] = 1.2345;
24 a.f[1] = 999;
25 b = 6.789;
26 asm("mdebr %[a],%[b]" : [a] "+f" (a.d) : [b] "f" (b));
27 assert(a.d > 8.38 && a.d < 8.39);
28
29 return EXIT_SUCCESS;
30 }