gcc/testsuite/gcc.dg/gomp/pr67495.c

   1 /* PR c/67495 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-fopenmp" } */
   4
   5 int a, b, c;
   6
   7 void
   8 foo (void)
   9 {
  10 #pragma omp atomic capture
  11   a = (float)a + b;     /* { dg-error "invalid operator" } */
  12 #pragma omp atomic read
  13   (float) a = b;        /* { dg-error "lvalue required" } */
  14 #pragma omp atomic write
  15   (float) a = b;        /* { dg-error "lvalue required" } */
  16 #pragma omp atomic read
  17   a = (float) b;        /* { dg-error "lvalue required" } */
  18 #pragma omp atomic capture
  19   (float) a = b += c;   /* { dg-error "lvalue required" } */
  20 #pragma omp atomic capture
  21   { a += b; (float) c = a; }    /* { dg-error "lvalue required" } */
  22 #pragma omp atomic capture
  23   { a += b; c = (float) a; }    /* { dg-error "uses two different expressions for memory" } */
  24 #pragma omp atomic capture
  25   a = (int)a + b;       /* { dg-error "invalid operator" } */
  26 #pragma omp atomic read
  27   (int) a = b;          /* { dg-error "lvalue required" } */
  28 #pragma omp atomic write
  29   (int) a = b;          /* { dg-error "lvalue required" } */
  30 #pragma omp atomic read
  31   a = (int) b;          /* { dg-error "lvalue required" } */
  32 #pragma omp atomic capture
  33   (int) a = b += c;     /* { dg-error "lvalue required" } */
  34 #pragma omp atomic capture
  35   { a += b; (int) c = a; }      /* { dg-error "lvalue required" } */
  36 #pragma omp atomic capture
  37   { a += b; c = (int) a; }      /* { dg-error "lvalue required" } */
  38 }