gcc/testsuite/gcc.target/s390/warn-dynamicstack-1.c

   1 /* Check that the stack pointer is decreased only once in a funtion with
   2    runtime aligned stack variables and -mwarn-dynamicstack does not generate a
   3    warning.  */
   4
   5 /* { dg-do compile { target { s390*-*-* } } } */
   6 /* { dg-options "-O2 -mwarn-dynamicstack" } */
   7
   8 extern int bar (char *pl);
   9
  10 int foo (long size)
  11 {
  12   char __attribute__ ((aligned(16))) l = size;
  13
  14   return bar (&l);
  15 }
  16
  17 /* { dg-final { scan-assembler-times "%r15,-" 1 } } */