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/* { dg-do run } */
/* { dg-additional-options "-mno-speculate-indirect-jumps -Wno-pedantic" } */
/* { dg-warning "'-mno-speculate-indirect-jumps' is deprecated" "" { target *-*-* } 0 } */
/* Test for deliberate misprediction of computed goto. */
int __attribute__((noinline)) bar (int i)
{
return 1960 + i;
}
int __attribute__((noinline)) baz (int i)
{
return i * i;
}
int __attribute__((noinline)) spaz (int i)
{
return i + 1;
}
int foo (int x)
{
static void *labptr[] = { &&lab0, &&lab1, &&lab2 };
if (x < 0 || x > 2)
return -1;
goto *labptr[x];
lab0:
return bar (x);
lab1:
return baz (x) + 1;
lab2:
return spaz (x) / 2;
}
int main ()
{
if (foo (0) != 1960)
__builtin_abort ();
if (foo (1) != 2)
__builtin_abort ();
if (foo (2) != 1)
__builtin_abort ();
if (foo (3) != -1)
__builtin_abort ();
return 0;
}
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