gcc/testsuite/gcc.target/sh/pragma-isr-trapa2.c

   1 /* Check that no interrupt-specific register saves are generated.
   2    The function call will require to load the address first into a register,
   3    then use that for a jsr or jmp.  It will also need to load a constant
   4    address in order to load fpscr.  */
   5 /* { dg-do compile { target { { any_fpu } && nonpic } } }  */
   6 /* { dg-options "-O" }  */
   7 /* { dg-final { scan-assembler-times "rte" 1 } }  */
   8 /* { dg-final { scan-assembler-not "mov.l\tr\[0-9\],@-r15" } }  */
   9 /* { dg-final { scan-assembler-not "mov.l\tr1\[0-4\],@-r15" } }  */
  10 /* { dg-final { scan-assembler-not "macl" } }  */
  11
  12 /* Expect that fpscr needs to be saved, loaded and restored.  */
  13 /* { dg-final { scan-assembler-times "\[^_\]fpscr" 4 } }  */
  14
  15 extern void foo (void);
  16
  17 #pragma trapa
  18 void
  19 isr (void)
  20 {
  21   foo ();
  22 }