gcc/testsuite/gcc.target/aarch64/pr60580_1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O0 -fomit-frame-pointer -fno-inline --save-temps" } */
   3
   4 void
   5 func_leaf (void)
   6 {
   7   int a = 0;
   8 }
   9
  10 void
  11 func_no_leaf (void)
  12 {
  13   int a = 0;
  14   func_leaf ();
  15 }
  16
  17 void
  18 func1 (void)
  19 {
  20   int a = 0;
  21   func_no_leaf ();
  22 }
  23
  24 /*
  25  * This function calls XXX(), which modifies SP. This is incompatible to
  26  * -fomit-frame-pointer generated code as SP is used to access the frame.
  27  */
  28 __attribute__ ((optimize("no-omit-frame-pointer")))
  29 void
  30 func2 (void)
  31 {
  32   int a = 0;
  33   func_no_leaf ();
  34 }
  35
  36 void
  37 func3 (void)
  38 {
  39   int a = 0;
  40   func_no_leaf ();
  41 }
  42
  43 /* { dg-final { scan-assembler-times "stp\tx29, x30, \\\[sp, -\[0-9\]+\\\]!" 1 } } */
  44