// { dg-do run } // { dg-additional-options "-msse2" { target sse2_runtime } } // { dg-additional-options "-mavx" { target avx_runtime } } extern "C" void abort (); int a[1024] __attribute__((aligned (32))) = { 1 }; int b[1024] __attribute__((aligned (32))) = { 1 }; unsigned char c[1024] __attribute__((aligned (32))) = { 1 }; int k, m; __UINTPTR_TYPE__ u, u2, u3; __attribute__((noinline, noclone)) int foo (int *p) { int i, s = 0, s2 = 0, t, t2; #pragma omp simd aligned(a, b, p : 32) linear(k: m + 1) reduction(+:s) \ lastprivate (t2) for (i = 0; i < 512; i++) { a[i] *= p[i]; t2 = k + p[i]; k += m + 1; s += p[i] + k; c[i]++; } #pragma omp simd aligned(a, b, p : 32) linear(k: m + 1) reduction(+:s2) \ lastprivate (t, u, u2, u3) for (i = 512; i < 1024; i++) { a[i] *= p[i]; k += m + 1; t = k + p[i]; u = (__UINTPTR_TYPE__) &k; u2 = (__UINTPTR_TYPE__) &s2; u3 = (__UINTPTR_TYPE__) &t; s2 += t; c[i]++; } return s + s2 + t + t2; } __attribute__((noinline, noclone)) long int bar (int *p, long int n, long int o) { long int i, s = 0, s2 = 0, t, t2; #pragma omp simd aligned(a, b, p : 32) linear(k: m + 1) reduction(+:s) \ lastprivate (t2) for (i = 0; i < n; i++) { a[i] *= p[i]; t2 = k + p[i]; k += m + 1; s += p[i] + k; c[i]++; } #pragma omp simd aligned(a, b, p : 32) linear(k: m + 1) reduction(+:s2) \ lastprivate (t, u, u2, u3) for (i = n; i < o; i++) { a[i] *= p[i]; k += m + 1; t = k + p[i]; u = (__UINTPTR_TYPE__) &k; u2 = (__UINTPTR_TYPE__) &s2; u3 = (__UINTPTR_TYPE__) &t; s2 += t; c[i]++; } return s + s2 + t + t2; } 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; c[i] = (unsigned char) i; } int s = foo (b); for (i = 0; i < 1024; i++) { if (b[i] != (i - 51) % 39 || a[i] != (i - 512) * b[i] || c[i] != (unsigned char) (i + 1)) abort (); a[i] = i - 512; } if (k != 4 + 3 * 1024 || s != 1596127 + (4 + 3 * 511 + b[511]) + (4 + 3 * 1024 + b[1023])) abort (); k = 4; s = bar (b, 512, 1024); for (i = 0; i < 1024; i++) { if (b[i] != (i - 51) % 39 || a[i] != (i - 512) * b[i] || c[i] != (unsigned char) (i + 2)) abort (); a[i] = i - 512; } if (k != 4 + 3 * 1024 || s != 1596127 + (4 + 3 * 511 + b[511]) + (4 + 3 * 1024 + b[1023])) abort (); k = 4; s = bar (b, 511, 1021); for (i = 0; i < 1021; i++) { if (b[i] != (i - 51) % 39 || a[i] != (i - 512) * b[i] || c[i] != (unsigned char) (i + 3)) abort (); a[i] = i - 512; } for (i = 1021; i < 1024; i++) if (b[i] != (i - 51) % 39 || a[i] != i - 512 || c[i] != (unsigned char) (i + 2)) abort (); if (k != 4 + 3 * 1021 || s != 1586803 + (4 + 3 * 510 + b[510]) + (4 + 3 * 1021 + b[1020])) abort (); #endif return 0; }