106 lines
1.8 KiB
C
106 lines
1.8 KiB
C
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/* { 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 0.000001
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#include <stdlib.h>
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#include <stdio.h>
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void init(int *b, float *y, int n)
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{
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int i, s = -1;
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for ( i=0; i<N; i++ )
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{
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b[i] = i*i*s;
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y[i] = b[i] * 0.1f;
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s = -s;
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}
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}
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#pragma omp declare simd linear(p:1) notinbranch
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int foo(int *p){
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*p = *p + 10;
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return *p;
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}
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int myaddint(int *a, int *b, int n)
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{
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#pragma omp simd
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for (int i=0; i<n; i++){
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a[i] = foo(&b[i]); /* foo is not called under a condition */
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}
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return a[n-1];
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}
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int myaddint_ref(int *a, int *b, int n)
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{
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for (int i=0; i<n; i++){
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a[i] = foo(&b[i]);
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}
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return a[n-1];
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}
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#pragma omp declare simd linear(p:1) inbranch
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float goo(float *p){
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*p = *p + 18.5f;
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return *p;
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}
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int myaddfloat(float *x, float *y, int n)
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{
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#pragma omp simd
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for (int i=0; i<n; i++){
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x[i] = (x[i] > y[i]) ? goo(&y[i]) : y[i];
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/* goo is called under the condition (or within a branch) */
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}
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return x[n-1];
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}
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int myaddfloat_ref(float *x, float *y, int n)
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{
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for (int i=0; i<n; i++){
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x[i] = (x[i] > y[i]) ? goo(&y[i]) : y[i];
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}
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return x[n-1];
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}
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void check_addint (int *a, int *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])
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abort ();
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}
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void check_addfloat (float *a, float *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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int a[N], a_ref[N], b[N];
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float x[N], x_ref[N], y[N];
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init(a, x, N);
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init(b, y, N);
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myaddint(a, b, N);
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myaddfloat(x, y, N);
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init(a_ref, x_ref, N);
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init(b, y, N);
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myaddint_ref(a_ref, b, N);
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myaddfloat_ref(x_ref, y, N);
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check_addint(a, a_ref);
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check_addfloat(x, x_ref);
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return 0;
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}
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