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https://opencores.org/ocsvn/openrisc/openrisc/trunk
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| Rev 298 |
Rev 338 |
/* { dg-do run } */
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/* { dg-do run } */
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/* { dg-options "-O1 -foptimize-sibling-calls -fdump-tree-optimized" } */
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/* { dg-options "-O1 -foptimize-sibling-calls -fdump-tree-optimized" } */
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extern void abort (void);
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extern void abort (void);
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extern void exit (int);
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extern void exit (int);
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int sum (int n)
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int sum (int n)
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{
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{
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if (n == 0)
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if (n == 0)
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return 0;
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return 0;
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return n + sum (n - 1);
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return n + sum (n - 1);
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}
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}
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int fac (int n)
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int fac (int n)
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{
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{
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if (n == 0)
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if (n == 0)
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return 1;
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return 1;
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return n * fac (n - 1);
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return n * fac (n - 1);
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}
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}
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int sq_sum (int n)
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int sq_sum (int n)
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{
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{
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if (n == 0)
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if (n == 0)
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return 0;
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return 0;
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return n * n + sq_sum (n - 1);
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return n * n + sq_sum (n - 1);
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}
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}
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int pow2m1 (int n)
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int pow2m1 (int n)
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{
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{
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if (n == 0)
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if (n == 0)
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return 0;
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return 0;
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return 2 * pow2m1 (n - 1) + 1;
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return 2 * pow2m1 (n - 1) + 1;
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}
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}
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int fib (int n)
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int fib (int n)
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{
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{
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if (n <= 1)
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if (n <= 1)
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return 1;
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return 1;
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return fib (n - 2) + fib (n - 1);
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return fib (n - 2) + fib (n - 1);
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}
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}
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int main(void)
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int main(void)
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{
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{
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if (sum (5) != 15)
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if (sum (5) != 15)
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abort ();
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abort ();
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if (fac (5) != 120)
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if (fac (5) != 120)
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abort ();
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abort ();
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if (sq_sum (5) != 55)
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if (sq_sum (5) != 55)
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abort ();
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abort ();
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if (pow2m1 (5) != 31)
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if (pow2m1 (5) != 31)
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abort ();
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abort ();
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if (fib (5) != 8)
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if (fib (5) != 8)
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abort ();
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abort ();
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exit (0);
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exit (0);
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}
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}
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/* There is one call of sum in main and then 2 instances of the word in
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/* There is one call of sum in main and then 2 instances of the word in
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;; Function sum (sum) and one in the function header. */
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;; Function sum (sum) and one in the function header. */
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/* { dg-final { scan-tree-dump-times "\\msum\\M" 4 "optimized"} } */
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/* { dg-final { scan-tree-dump-times "\\msum\\M" 4 "optimized"} } */
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/* { dg-final { scan-tree-dump-times "\\mfac\\M" 4 "optimized"} } */
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/* { dg-final { scan-tree-dump-times "\\mfac\\M" 4 "optimized"} } */
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/* { dg-final { scan-tree-dump-times "\\msq_sum\\M" 4 "optimized"} } */
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/* { dg-final { scan-tree-dump-times "\\msq_sum\\M" 4 "optimized"} } */
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/* { dg-final { scan-tree-dump-times "\\mpow2m1\\M" 4 "optimized"} } */
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/* { dg-final { scan-tree-dump-times "\\mpow2m1\\M" 4 "optimized"} } */
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/* There is one recursive call to fib. */
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/* There is one recursive call to fib. */
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/* { dg-final { scan-tree-dump-times "\\mfib\\M" 5 "optimized"} } */
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/* { dg-final { scan-tree-dump-times "\\mfib\\M" 5 "optimized"} } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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