gcc/testsuite/gcc.dg/pr94600-5.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target size32plus } */
   3 /* { dg-options "-fdump-rtl-final -O2 -fno-unroll-loops" } */
   4
   5 /* Target-as-parameter version of pr94600-1.c. */
   6
   7 typedef struct {
   8   unsigned int f0 : 4;
   9   unsigned int f1 : 11;
  10   unsigned int f2 : 10;
  11   unsigned int f3 : 7;
  12 } t0 __attribute__((__aligned__(4)));
  13
  14 static t0 a0[] = {
  15  { .f0 = 7, .f1 = 99, .f3 = 1, },
  16  { .f0 = 7, .f1 = 251, .f3 = 1, },
  17  { .f0 = 8, .f1 = 127, .f3 = 5, },
  18  { .f0 = 5, .f1 = 1, .f3 = 1, },
  19  { .f0 = 5, .f1 = 1, .f3 = 1, },
  20  { .f0 = 5, .f1 = 1, .f3 = 1, },
  21 };
  22
  23 void
  24 foo(volatile t0 *b)
  25 {
  26   __SIZE_TYPE__ i;
  27   for (i = 0; i < (sizeof (a0) / sizeof ((a0)[0])); i++) {
  28     b[i+11] = a0[i];
  29   }
  30 }
  31
  32 /* The loop isn't unrolled.  */
  33 /* { dg-final { scan-rtl-dump-times {\(mem/v} 1 "final" } } */
  34 /* { dg-final { scan-rtl-dump-times {\(set \(mem/v} 1 "final" } } */