diff options
Diffstat (limited to 'libgomp')
-rw-r--r-- | libgomp/testsuite/libgomp.c-c++-common/pr106449.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c-c++-common/pr106449.c b/libgomp/testsuite/libgomp.c-c++-common/pr106449.c new file mode 100644 index 0000000..ea3cd82 --- /dev/null +++ b/libgomp/testsuite/libgomp.c-c++-common/pr106449.c @@ -0,0 +1,62 @@ +/* PR middle-end/106449 */ +/* { dg-do run } */ + +void +foo (void) +{ + int a[1024], *b[65536]; + int *p, *q, **r = &b[0], i; + #pragma omp simd collapse(2) linear(r : 2) + for (p = &a[0]; p < &a[512]; p++) + for (q = p + 64; q < p + 128; q++) + { + *r++ = p; + *r++ = q; + } + for (i = 0; i < 32768; i++) + if (b[2 * i] != &a[i / 64] || b[2 * i + 1] != &a[(i / 64) + 64 + (i % 64)]) + __builtin_abort (); +} + +void +bar (int n, int m) +{ + int a[1024], *b[65536]; + int *p, *q, **r = &b[0], i; + #pragma omp parallel for simd collapse(2) linear(r : 2) + for (p = &a[0]; p < &a[512]; p++) + for (q = p + n; q < p + m; q++) + { + *r++ = p; + *r++ = q; + } + for (i = 0; i < 32768; i++) + if (b[2 * i] != &a[i / 64] || b[2 * i + 1] != &a[(i / 64) + 64 + (i % 64)]) + __builtin_abort (); +} + +void +baz (int n, int m) +{ + int a[1024], *b[8192]; + int *p, *q, **r = &b[0], i; + #pragma omp parallel for simd collapse(2) linear(r : 2) + for (p = &a[0]; p < &a[512]; p += 4) + for (q = p + n; q < p + m; q += 2) + { + *r++ = p; + *r++ = q; + } + for (i = 0; i < 4096; i++) + if (b[2 * i] != &a[(i / 32) * 4] || b[2 * i + 1] != &a[(i / 32) * 4 + 64 + (i % 32) * 2]) + __builtin_abort (); +} + +int +main () +{ + foo (); + bar (64, 128); + baz (64, 128); + return 0; +} |