gcc/testsuite/gcc.target/sh/attr-isr.c

   1 /* The call will clobber r0..r7, which will need not be saved/restored, but
   2    not the call-saved registers r8..r14.  Check this by counting the register
   3    push insns.  */
   4 /* { dg-do compile { target { { ! sh2a } && nonpic } } } */
   5 /* { dg-options "-O" } */
   6 /* { dg-final { scan-assembler-times "rte" 1} } */
   7 /* { dg-final { scan-assembler-times "mov.l\tr\[0-7\],@-r15" 8 } }  */
   8 /* { dg-final { scan-assembler-not "mov.l\tr\[89\],@-r15" } }  */
   9 /* { dg-final { scan-assembler-not "mov.l\tr1\[0-4\],@-r15" } }  */
  10
  11 extern void foo ();
  12
  13 void
  14 (__attribute ((interrupt_handler)) isr)()
  15 {
  16   foo ();
  17 }