gcc/testsuite/c-c++-common/cilk-plus/PS/vectorlength.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fcilkplus" } */
   3
   4 volatile int *a, *b, N;
   5 typedef int tint;
   6 struct someclass {
   7   int a;
   8   char b;
   9   int *p;
  10 };
  11
  12 void foo()
  13 {
  14 #pragma simd vectorlength(4) vectorlength(8) /* { dg-error "too many 'vectorlength' clauses" } */
  15   for (int i=0; i < N; ++i)
  16     a[i] = b[i];
  17
  18 #pragma simd vectorlength(3) /* { dg-error "must be a power of 2" } */
  19   for (int i=0; i < N; ++i)
  20     a[i] = b[i];
  21 }