gcc/testsuite/gcc.target/arc/firq-1.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target archs }*/
   3 /* { dg-options "-O0 -mll64 -mirq-ctrl-saved=r0-r9" } */
   4
   5 /* Check that on archs the 'firq' interrupt function type is
   6    available, these are the fast interrupts.  For fast interrupts,
   7    despite the use of 'irq-ctrl-saved', no registers are automatically
   8    saved on entry to the function, and so, in the following register
   9    r0 to r9 should all be saved to the stack.
  10
  11    We also take the opportunity to check the use of the 'rtie'
  12    instruction at the end of the interrupt function.  */
  13
  14 void __attribute__ ((interrupt("firq")))
  15 handler1 (void)
  16 {
  17   asm (""
  18        :
  19        :
  20        : "r0", "r1", "r2", "r3", "r4",
  21          "r5", "r6", "r7", "r8", "r9");
  22 }
  23 /* { dg-final { scan-assembler-times "r2,\\\[sp,\[0-9\]+\\\]" 2 } } */
  24 /* { dg-final { scan-assembler-times "r4,\\\[sp,\[0-9\]+\\\]" 2 } } */
  25 /* { dg-final { scan-assembler-times "r6,\\\[sp,\[0-9\]+\\\]" 2 } } */
  26 /* { dg-final { scan-assembler-times "r8,\\\[sp,\[0-9\]+\\\]" 2 } } */
  27 /* { dg-final { scan-assembler "rtie" } } */