1 /* Test unwinding of iWMMXt register saves. */
2 /* Origin: Joseph Myers <joseph@codesourcery.com> */
3
4 /* { dg-do run } */
5 /* { dg-require-effective-target arm32 } */
6
7 #ifdef __IWMMXT__
8 extern "C" void abort (void);
9 extern "C" void exit (int);
10
11 void
foo(void)12 foo (void)
13 {
14 register long long wr10 asm("wr10") = 0;
15 register long long wr11 asm("wr11") = 1;
16 register long long wr12 asm("wr12") = 2;
17 register long long wr14 asm("wr14") = 4;
18 register long long wr15 asm("wr15") = 5;
19 asm volatile ("" : "+y" (wr10), "+y" (wr11), "+y" (wr12), "+y" (wr14), "+y" (wr15));
20 throw "";
21 }
22
23 int
main(void)24 main (void)
25 {
26 register long long wr10 asm("wr10") = 10;
27 register long long wr11 asm("wr11") = 11;
28 register long long wr12 asm("wr12") = 12;
29 register long long wr13 asm("wr13") = 13;
30 register long long wr14 asm("wr14") = 14;
31 register long long wr15 asm("wr15") = 15;
32 asm volatile ("" : "+y" (wr10), "+y" (wr11), "+y" (wr12), "+y" (wr13), "+y" (wr14), "+y" (wr15));
33 try {
34 foo ();
35 } catch (...) {
36 asm volatile ("" : "+y" (wr10), "+y" (wr11), "+y" (wr12), "+y" (wr13), "+y" (wr14), "+y" (wr15));
37 if (wr10 != 10 || wr11 != 11 || wr12 != 12 || wr13 != 13 || wr14 != 14 || wr15 != 15)
38 abort ();
39 }
40 exit (0);
41 }
42 #else
43 int
main(void)44 main (void)
45 {
46 }
47 #endif
48