/* { dg-do run } */ /* { dg-options "-O2" } */ /* { dg-additional-options "-std=c99" { target c } } */ /* { dg-additional-options "-msse2" { target sse2_runtime } } */ /* { dg-additional-options "-mavx" { target avx_runtime } } */ int u[1024], v[1024], w[1024], m; __attribute__((noinline, noclone)) void f1 (long a, long b) { #pragma omp taskloop simd default(none) shared(u, v, w) nogroup for (long d = a; d < b; d++) u[d] = v[d] + w[d]; } __attribute__((noinline, noclone)) int f2 (long a, long b, long c) { int d, e; #pragma omp taskloop simd default(none) shared(u, v, w) linear(d:1) linear(c:5) lastprivate(e) for (d = a; d < b; d++) { u[d] = v[d] + w[d]; c = c + 5; e = c + 9; } return d + c + e; } __attribute__((noinline, noclone)) int f3 (long a, long b) { int d; #pragma omp taskloop simd default(none) shared(u, v, w) for (d = a; d < b; d++) { int *p = &d; u[d] = v[d] + w[d]; } return d; } __attribute__((noinline, noclone)) int f4 (long a, long b, long c, long d) { int e, f, g; #pragma omp taskloop simd default(none) shared(u, v, w) collapse(2) lastprivate(g) for (e = a; e < b; e++) for (f = c; f < d; f++) { int *p = &e; int *q = &f; int r = 32 * e + f; u[r] = v[r] + w[r]; g = r; } return e + f + g; } __attribute__((noinline, noclone)) int f5 (long a, long b, long c, long d) { int e, f; #pragma omp taskloop simd default(none) shared(u, v, w) collapse(2) for (e = a; e < b; e++) for (f = c; f < d; f++) { int r = 32 * e + f; u[r] = v[r] + w[r]; } return e + f; } int main () { int i; for (i = 0; i < 1024; i++) { v[i] = i; w[i] = i + 1; } #pragma omp parallel #pragma omp single f1 (0, 1024); for (i = 0; i < 1024; i++) if (u[i] != 2 * i + 1) __builtin_abort (); else { v[i] = 1024 - i; w[i] = 512 - i; } #pragma omp parallel #pragma omp single m = f2 (2, 1022, 17); for (i = 0; i < 1024; i++) if ((i < 2 || i >= 1022) ? u[i] != 2 * i + 1 : u[i] != 1536 - 2 * i) __builtin_abort (); else { v[i] = i; w[i] = i + 1; } if (m != 1022 + 2 * (1020 * 5 + 17) + 9) __builtin_abort (); #pragma omp parallel #pragma omp single m = f3 (0, 1024); for (i = 0; i < 1024; i++) if (u[i] != 2 * i + 1) __builtin_abort (); else { v[i] = 1024 - i; w[i] = 512 - i; } if (m != 1024) __builtin_abort (); #pragma omp parallel #pragma omp single m = f4 (0, 32, 0, 32); for (i = 0; i < 1024; i++) if (u[i] != 1536 - 2 * i) __builtin_abort (); else { v[i] = i; w[i] = i + 1; } if (m != 32 + 32 + 1023) __builtin_abort (); #pragma omp parallel #pragma omp single m = f5 (0, 32, 0, 32); for (i = 0; i < 1024; i++) if (u[i] != 2 * i + 1) __builtin_abort (); else { v[i] = 1024 - i; w[i] = 512 - i; } if (m != 32 + 32) __builtin_abort (); return 0; }