gcc/testsuite/gcc.target/powerpc/prefix-stack-protect.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target powerpc_prefixed_addr } */
   3 /* { dg-require-effective-target lp64 } */
   4 /* { dg-options "-O2 -mdejagnu-cpu=power10 -fstack-protector-strong" } */
   5
   6 /* Test that we can handle large stack frames with -fstack-protector-strong and
   7    prefixed addressing.  This was originally discovered when trying to build
   8    glibc with -mcpu=power10, and vfwprintf.c failed because it used
   9    -fstack-protector-strong.  It needs 64-bit due to the size of the stack.  */
  10
  11 extern long foo (char *);
  12
  13 long
  14 bar (void)
  15 {
  16   char buffer[0x20000];
  17   return foo (buffer) + 1;
  18 }
  19
  20 /* { dg-final { scan-assembler {\mpld\M}  } } */
  21 /* { dg-final { scan-assembler {\mpstd\M} } } */