1 /* { dg-do compile } */
2 /* { dg-options "-O3 -march=z10 --save-temps -mfunction-return-reg=thunk-extern -mindirect-branch-table" } */
3
4 int gl = 0;
5
6 int __attribute__((noinline,noclone))
bar(int a)7 bar (int a)
8 {
9 return a + 2;
10 }
11
12 void __attribute__((noinline,noclone))
foo(int a)13 foo (int a)
14 {
15 int i;
16
17 if (a == 42)
18 return;
19
20 for (i = 0; i < a; i++)
21 gl += bar (i);
22 }
23
24 int
main()25 main ()
26 {
27 foo (3);
28 if (gl != 9)
29 __builtin_abort ();
30
31 return 0;
32 }
33
34 /* 1 x bar
35 /* { dg-final { scan-assembler-times "jg\t__s390_indirect_jump" 1 } } */
36
37 /* No thunks due to thunk-extern. */
38 /* { dg-final { scan-assembler-not "exrl" } } */
39 /* { dg-final { scan-assembler-not ".globl __s390_indirect_jump" } } */
40
41 /* { dg-final { scan-assembler-not "section\t.s390_indirect_jump" } } */
42 /* { dg-final { scan-assembler-not "section\t.s390_indirect_call" } } */
43 /* { dg-final { scan-assembler "section\t.s390_return_reg" } } */
44 /* { dg-final { scan-assembler-not "section\t.s390_return_mem" } } */
45