gcc/testsuite/gcc.target/m68k/interrupt_thread-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-mcpu=fidoa" } */
   3
   4 /* Check that an error is issued for using more than one
   5    interrupt_attribute at the same time.  */
   6
   7 /* If the current mutilib is, say, -mcpu=5485, the compiler gets
   8    -mcpu=fidoa -mcpu=5485, where -mcpu=fidoa is overridden.  In that
   9    case, we just use two interrupt_handler attributes and expect the
  10    same error.  */
  11 #ifdef __mfido___
  12 #define IH interrupt_thread
  13 #else
  14 #define IH interrupt_handler
  15 #endif
  16
  17 extern void f1 (void) __attribute__((interrupt_handler, interrupt_handler)); /* { dg-error "multiple interrupt attributes not allowed" } */
  18
  19 extern void f2 (void) __attribute__((interrupt_handler, IH)); /* { dg-error "multiple interrupt attributes not allowed" } */
  20
  21 extern void f3 (void) __attribute__((IH, interrupt_handler)); /* { dg-error "multiple interrupt attributes not allowed" } */
  22
  23 extern void f4 (void) __attribute__((IH, IH)); /* { dg-error "multiple interrupt attributes not allowed" } */