gcc/testsuite/gcc.target/arc/firq-2.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target archs }*/
   3 /* { dg-options "-O0 -mll64 -mirq-ctrl-saved=r0-r9 -mrgf-banked-regs=4" } */
   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 stack on entry to the function.  However, the cpu save via
   9    bank switch R0-R3.
  10
  11    We also take the opportunity to check the use of the 'rtie' instruction
  12    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-not "r0,\\\[sp" } } */
  24 /* { dg-final { scan-assembler-not "push.*r0" } } */
  25 /* { dg-final { scan-assembler-not "r1,\\\[sp" } } */
  26 /* { dg-final { scan-assembler-not "r2,\\\[sp" } } */
  27 /* { dg-final { scan-assembler-not "r3,\\\[sp" } } */
  28 /* { dg-final { scan-assembler "st.*r4,\\\[sp" } } */
  29 /* { dg-final { scan-assembler "st.*r6,\\\[sp,\[0-9\]+\\\]" } } */
  30 /* { dg-final { scan-assembler "st.*r8,\\\[sp,\[0-9\]+\\\]" } } */
  31 /* { dg-final { scan-assembler "rtie" } } */