Viewing file:  pr35691-6.c (1.93 KB) -rw-r--r--
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/* PR middle-end/35691 */
/* { dg-do run } */
/* { dg-options "-O2" } */
__attribute__((noinline, noclone)) int
foo (int *p, unsigned long long *q)
{
int p0 = p[0], p10 = p[10], p12 = p[12], p32 = p[32], p77 = p[77], p85 = p[85], p86 = p[86], p97 = p[97], p98 = p[98];
unsigned long long q0 = q[0], q10 = q[10], q12 = q[12], q32 = q[32], q77 = q[77], q85 = q[85], q86 = q[86], q97 = q[97], q98 = q[98];
return p0 == 0 && q0 == -1 && p10 == 0 && q10 == -1 && p12 == 0 && q12 == -1
&& p32 == 0 && q32 == -1 && p77 == 0 && q77 == -1 && p85 == 0 && q85 == -1
&& p86 == 0 && q86 == -1 && p97 == 0 && q97 == -1 && p98 == 0 && q98 == -1;
}
__attribute__((noinline, noclone)) int
bar (int *p, unsigned long long *q)
{
int p0 = p[0], p10 = p[10], p12 = p[12], p32 = p[32], p77 = p[77], p85 = p[85], p86 = p[86], p97 = p[97], p98 = p[98];
unsigned long long q0 = q[0], q10 = q[10], q12 = q[12], q32 = q[32], q77 = q[77], q85 = q[85], q86 = q[86], q97 = q[97], q98 = q[98];
return p0 != 0 | q0 != -1 | p10 != 0 | q10 != -1 | p12 != 0 | q12 != -1
| p32 != 0 | q32 != -1 | p77 != 0 | q77 != -1 | p85 != 0 | q85 != -1
| p86 != 0 | q86 != -1 | p97 != 0 | q97 != -1 | p98 != 0 | q98 != -1;
}
int p[100];
unsigned long long q[100];
int
main ()
{
int i;
for (i = 0; i < 100; i++)
{
p[i] = 0;
q[i] = -1;
}
asm volatile ("" : : "g" (p), "g" (q) : "memory");
if (foo (p, q) != 1 || bar (p, q) != 0)
__builtin_abort ();
for (i = 0; i < 100; i++)
{
int f1, b1, f2, b2;
p[i] = 1;
f1 = foo (p, q);
b1 = bar (p, q);
p[i] = 0;
q[i] = 0;
f2 = foo (p, q);
b2 = bar (p, q);
q[i] = -1;
switch (i)
{
case 0:
case 10:
case 12:
case 32:
case 77:
case 85:
case 86:
case 97:
case 98:
if (f1 != 0 || b1 != 1 || f2 != 0 || b2 != 1)
__builtin_abort ();
break;
default:
if (f1 != 1 || b1 != 0 || f2 != 1 || b2 != 0)
__builtin_abort ();
break;
}
}
return 0;
}
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