gcc/testsuite/gcc.target/i386/aggregate-ret4.c

   1 /* Check that, with dont_keep_aggregate_return_pointer attribute,  callee
   2    pops the stack for the implicit pointer arg when returning a large
   3    structure in memory.  */
   4 /* { dg-do compile } */
   5 /* { dg-require-effective-target ia32 } */
   6
   7 struct foo {
   8   int a;
   9   int b;
  10   int c;
  11   int d;
  12 };
  13
  14 __attribute__ ((sysv_abi))
  15 struct foo
  16 bar (void)
  17 {
  18   struct foo retval;
  19   retval.a = 1;
  20   retval.b = 2;
  21   retval.c = 3;
  22   retval.d = 4;
  23   return retval;
  24 }
  25
  26 /* { dg-final { scan-assembler "ret\[ \t\]\\\$4" } } */
  27
  28