gcc/testsuite/gcc.target/aarch64/stack-check-13.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fstack-clash-protection --param stack-clash-protection-guard-size=16 -fno-asynchronous-unwind-tables -fno-unwind-tables" } */
   3 /* { dg-require-effective-target supports_stack_clash_protection } */
   4
   5 #define ARG32(X) X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
   6 #define ARG192(X) ARG32(X),ARG32(X),ARG32(X),ARG32(X),ARG32(X),ARG32(X)
   7 void out1(ARG192(__int128));
   8 int t1(int);
   9
  10 int t3(int x)
  11 {
  12   if (x < 1000)
  13     return t1 (x) + 1;
  14
  15   out1 (ARG192(1));
  16   return 0;
  17 }
  18
  19
  20
  21 /* This test creates a large (> 1k) outgoing argument area that needs
  22    to be probed.  We don't test the exact size of the space or the
  23    exact offset to make the test a little less sensitive to trivial
  24    output changes.  */
  25 /* { dg-final { scan-assembler-times "sub\\tsp, sp, #....\\n\\tstr\\txzr, \\\[sp" 1 } } */
  26
  27
  28