| /* { dg-do run } */ |
| /* { dg-options "-O2" } */ |
| /* { dg-additional-options "-msse2" { target sse2_runtime } } */ |
| /* { dg-additional-options "-mavx" { target avx_runtime } } */ |
| |
| extern void abort (); |
| int a[1024] __attribute__((aligned (32))) = { 1 }; |
| int b[1024] __attribute__((aligned (32))) = { 1 }; |
| int k, m; |
| struct U { int u; }; |
| struct V { int v; }; |
| |
| __attribute__((noinline, noclone)) int |
| foo (int *p) |
| { |
| int i, s = 0; |
| struct U u; |
| struct V v; |
| #pragma omp simd aligned(a, p : 32) linear(k: m + 1) \ |
| reduction(+:s) lastprivate(u, v) |
| for (i = 0; i < 1024; i++) |
| { |
| a[i] *= p[i]; |
| u.u = p[i] + k; |
| k += m + 1; |
| v.v = p[i] + k; |
| s += p[i] + k; |
| } |
| if (u.u != 36 + 4 + 3 * 1023 || v.v != 36 + 4 + 3 * 1024) |
| abort (); |
| return s; |
| } |
| |
| int |
| main () |
| { |
| #if __SIZEOF_INT__ >= 4 |
| int i; |
| k = 4; |
| m = 2; |
| for (i = 0; i < 1024; i++) |
| { |
| a[i] = i - 512; |
| b[i] = (i - 51) % 39; |
| } |
| int s = foo (b); |
| for (i = 0; i < 1024; i++) |
| { |
| if (b[i] != (i - 51) % 39 |
| || a[i] != (i - 512) * b[i]) |
| abort (); |
| } |
| if (k != 4 + 3 * 1024 || s != 1596127) |
| abort (); |
| #endif |
| return 0; |
| } |