diff options
Diffstat (limited to 'libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-6.c')
-rw-r--r-- | libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-6.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-6.c b/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-6.c new file mode 100644 index 0000000..99c61c0 --- /dev/null +++ b/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-6.c @@ -0,0 +1,75 @@ +/* { dg-do run } */ +/* { dg-additional-options "-ftree-parallelize-loops=2" } */ + +/* Variable bound, vector addition, unsigned loop counter, signed bound. */ + +#include <stdio.h> +#include <stdlib.h> + +#define N 1000 + +unsigned int a[N]; +unsigned int b[N]; +unsigned int c[N]; + +void __attribute__((noclone,noinline)) +f (int n, unsigned int *__restrict__ a, unsigned int *__restrict__ b, + unsigned int *__restrict__ c) +{ + unsigned int i; + + for (i = 0; i < n; ++i) + c[i] = a[i] + b[i]; +} + +static void __attribute__((noclone,noinline)) +init (void) +{ + int i, j; + + /* Complexify loop to inhibit parloops. */ + for (j = 0; j < 100; ++j) + for (i = 0; i < 10; i++) + { + int k = i + (10 * j); + a[k] = k; + b[k] = (k * 3) % 7; + c[k] = k * 2; + } +} + +int +main (void) +{ + int i; + + init (); + + f (N, a, b, c); + + for (i = 0; i < N; i++) + { + unsigned int actual = c[i]; + unsigned int expected = i + ((i * 3) % 7); + if (actual != expected) + abort (); + } + + /* Test low iteration count case. */ + + init (); + + f (10, a, b, c); + + for (i = 0; i < N; i++) + { + unsigned int actual = c[i]; + unsigned int expected = (i < 10 + ? i + ((i * 3) % 7) + : i * 2); + if (actual != expected) + abort (); + } + + return 0; +} |