gcc/testsuite/gcc.target/m68k/interrupt_thread-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-mcpu=fidoa -O2 -fomit-frame-pointer" } */
   3
   4 /* Check that interrupt_thread attribute works.  */
   5
   6 #ifdef __mfido__
   7 extern void foo (void) __attribute__ ((interrupt_thread));
   8
   9 int a, b, c, d;
  10
  11 void bar (void);
  12
  13 void
  14 foo (void)
  15 {
  16   int w, x, y, z;
  17
  18   w = a;
  19   x = b;
  20   y = c;
  21   z = d;
  22
  23   bar ();
  24
  25   a = w;
  26   b = x;
  27   c = y;
  28   d = z;
  29 }
  30 #else
  31 /* If the current mutilib is, say, -mcpu=5485, the compiler gets
  32    -mcpu=fidoa -mcpu=5485, where -mcpu=fidoa is overridden.  In that
  33    case, we just print out "sleep" in the assembly file and pretend
  34    that everything is all right.  */
  35 asm ("sleep");
  36 #endif
  37
  38 /* "sleep" should be generated in place of "rts".  */
  39 /* { dg-final { scan-assembler-times "sleep" 1 } } */
  40 /* { dg-final { scan-assembler-times "rts" 0 } } */
  41
  42 /* There should be no stack adjustment.  */
  43 /* { dg-final { scan-assembler-times "sp" 0 } } */