mirror of git://gcc.gnu.org/git/gcc.git
91 lines
1.6 KiB
C
91 lines
1.6 KiB
C
/* { dg-do run { target vect_simd_clones } } */
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/* { dg-additional-options "-msse2" { target sse2_runtime } } */
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/* { dg-additional-options "-mavx" { target avx_runtime } } */
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#define N 100
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#define EPS 0.0000000000000001
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#include <stdlib.h>
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void init(double *a, double *a_ref, double *b, int n)
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{
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int i;
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for ( i=0; i<N; i++ )
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{
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a[i] = i;
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a_ref[i] = i;
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b[i] = N-i;
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}
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}
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#pragma omp declare simd uniform(fact)
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double add1(double a, double b, double fact)
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{
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double c;
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c = a + b + fact;
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return c;
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}
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#pragma omp declare simd uniform(a,b,fact) linear(i:1)
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double add2(double *a, double *b, int i, double fact)
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{
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double c;
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c = a[i] + b[i] + fact;
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return c;
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}
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#pragma omp declare simd uniform(fact) linear(a,b:1)
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double add3(double *a, double *b, double fact)
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{
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double c;
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c = *a + *b + fact;
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return c;
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}
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void work( double *a, double *b, int n )
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{
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int i;
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double tmp;
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#pragma omp simd private(tmp)
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for ( i = 0; i < n; i++ ) {
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tmp = add1( a[i], b[i], 1.0);
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a[i] = add2( a, b, i, 1.0) + tmp;
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a[i] = add3(&a[i], &b[i], 1.0);
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}
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}
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void work_ref( double *a, double *b, int n )
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{
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int i;
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double tmp;
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for ( i = 0; i < n; i++ ) {
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tmp = add1( a[i], b[i], 1.0);
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a[i] = add2( a, b, i, 1.0) + tmp;
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a[i] = add3(&a[i], &b[i], 1.0);
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}
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}
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void check (double *a, double *b)
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{
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int i;
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for (i = 0; i < N; i++)
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if (a[i] - b[i] > EPS || b[i] - a[i] > EPS)
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abort ();
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}
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int main ()
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{
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int i;
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double a[N], a_ref[N], b[N];
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init(a, a_ref, b, N);
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work(a, b, N );
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work_ref(a_ref, b, N );
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check(a, a_ref);
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return 0;
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}
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