Viewing file:  pr54760-3.c (1.28 KB) -rw-r--r--
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/* Check that these thread relative memory accesses play along with
surrounding code.
These should be moved to C torture tests once there are target
independent thread_pointer built-in functions available. */
/* { dg-do compile } */
/* { dg-options "-O1" } */
int
test00 (void* p, int x)
{
int* tcb = (int*)__builtin_thread_pointer ();
int r = tcb[4];
__builtin_set_thread_pointer (p);
tcb = (int*)__builtin_thread_pointer ();
return tcb[255] + r;
}
int
test01 (void)
{
unsigned short* tcb = (unsigned short*)__builtin_thread_pointer ();
return tcb[500];
}
void
test02 (int* x, int a, int b)
{
int* tcb = (int*)__builtin_thread_pointer ();
tcb[50] = a;
__builtin_set_thread_pointer (x);
tcb = (int*)__builtin_thread_pointer ();
tcb[40] = b;
}
int
test03 (const int* x, int c)
{
volatile int* tcb = (volatile int*)__builtin_thread_pointer ();
int s = 0;
int i;
for (i = 0; i < c; ++i)
s ^= x[i] + tcb[40];
return s;
}
int
test04 (const int* x, int c, int** xx, int d)
{
int s = 0;
int i;
for (i = 0; i < c; ++i)
{
volatile int* tcb = (volatile int*)__builtin_thread_pointer ();
tcb[20] = s;
__builtin_set_thread_pointer (xx[i]);
tcb = (volatile int*)__builtin_thread_pointer ();
s ^= x[i] + tcb[40] + d;
}
return s;
}
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