gcc/testsuite/gcc.dg/pragma-isr-trapa2.c

   1 /* { dg-do compile { target { { sh-*-* sh4*-*-* } && nonpic } } } */
   2 /* { dg-skip-if "FPU Required" { "sh*-*-*" } { "-m*nofpu*" } { "" } } */
   3 /* { dg-skip-if "FPU Required" { "sh*-*-*" } { "-m4al*" } { "" } } */
   4 /* { dg-options "-O -m4" } */
   5
   6 extern void foo ();
   7 #pragma trapa
   8 void
   9 isr()
  10 {
  11   foo ();
  12 }
  13
  14 /* { dg-final { scan-assembler-times "rte" 1} } */
  15 /* No interrupt-specific saves should be needed.
  16    The function call will require to load the address first into a register,
  17    then use that for a jsr or jmp.  It will also need to load a constant
  18    address in order to load fpscr.  */
  19 /* { dg-final { scan-assembler-times "r\[0-7\]\n" 3 } } */
  20 /* { dg-final { scan-assembler-not "r\[8-9\]" } } */
  21 /* { dg-final { scan-assembler-not "r1\[,0-3\]" } } */
  22 /* { dg-final { scan-assembler-not "macl" } } */
  23 /* fpscr needs to be saved, loaded and restored.  */
  24 /* { dg-final { scan-assembler-times "\[^_\]fpscr" 3 } } */