Viewing file:  nobp-function-pointer-attr.c (1.1 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-O3 -march=z10 --save-temps -mindirect-branch-table" } */
int gl;
void __attribute__((noinline,noclone))
foo (int a)
{
gl = a + 40;
}
int __attribute__((noinline,noclone))
foo_value (int a)
{
return a + 40;
}
void* __attribute__((noinline,noclone))
get_fptr (int a)
{
switch (a)
{
case 0: return &foo; break;
case 1: return &foo_value; break;
default: __builtin_abort ();
}
}
void (*f) (int);
int (*g) (int);
int __attribute__((indirect_branch_call("thunk")))
main ()
{
int res;
f = get_fptr(0);
f (2);
if (gl != 42)
__builtin_abort ();
g = get_fptr(1);
if (g (2) != 42)
__builtin_abort ();
return 0;
}
/* 2 x main
/* { dg-final { scan-assembler-times "brasl\t%r\[0-9\]*,__s390_indirect_jump" 2 } } */
/* { dg-final { scan-assembler "exrl" } } */
/* { dg-final { scan-assembler-not "section\t.s390_indirect_jump" } } */
/* { dg-final { scan-assembler "section\t.s390_indirect_call" } } */
/* { dg-final { scan-assembler-not "section\t.s390_return_reg" } } */
/* { dg-final { scan-assembler-not "section\t.s390_return_mem" } } */
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