1  /* A call will clobber all call-saved registers.
       2     If #pragma nosave_low_regs is specified, do not save/restore r0..r7.
       3     (On SH3* and SH4* r0..r7 are banked)
       4     Call-saved registers r8..r13 also don't need to be restored.
       5     To test that we look for register push insns such as 'mov.l r0,@-r15'.  */
       6  /* { dg-do compile { target { { banked_r0r7_isr } && nonpic } } }  */
       7  /* { dg-options "-O" }  */
       8  /* { dg-final { scan-assembler-times "rte" 1 } }  */
       9  /* { dg-final { scan-assembler-not "mov.l\tr\[0-9\],@-r15" } }  */
      10  /* { dg-final { scan-assembler-not "mov.l\tr1\[0-4\],@-r15" } }  */
      11  /* { dg-final { scan-assembler-times "macl" 2 } }  */
      12  
      13  extern void bar (void);
      14  
      15  void
      16  foo (void)
      17  {
      18  }
      19  
      20  #pragma interrupt
      21  void
      22  ( __attribute__ ((nosave_low_regs)) isr) (void)
      23  {
      24    bar ();
      25  }
      26  
      27  void
      28  delay (int a)
      29  {
      30  }