gcc/testsuite/gcc.target/nios2/pr92499-1.c

   1 /* PR target/92499 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -mgpopt=global -G8" } */
   4
   5 /* Check placement and addressing of flexibly-sized objects with internal
   6    linkage.  */
   7
   8 enum { size = 100 };
   9
  10 struct flexible
  11 {
  12   int length;
  13   int data[];
  14 };
  15
  16 static struct flexible local_flexible =
  17   {
  18     .data = { [size - 1] = 0, }
  19   };
  20
  21 static struct flexible local_flexible_nonzero =
  22   {
  23     .length = size,
  24     .data = { [size - 1] = 0, }
  25   };
  26
  27 struct flexible *
  28 get_local_flexible (void)
  29 {
  30   return &local_flexible;
  31 }
  32
  33 struct flexible *
  34 get_local_flexible_nonzero (void)
  35 {
  36   return &local_flexible_nonzero;
  37 }
  38
  39 /* We should not place the flexibly-sized objects in small data
  40    sections, or generate gp-relative addresses for them.  */
  41
  42 /* { dg-final { scan-assembler-not "\\.sdata" } } */
  43 /* { dg-final { scan-assembler-not "\\.sbss" } } */
  44 /* { dg-final { scan-assembler-not "%gprel\(.*flexible.*\)" } } */
  45
  46
  47
  48