gas/testsuite/gas/msp430/nop-dint.s

   1         .text
   2
   3 ;;; Test for NOP warnings when disabling interrupts, which are common to both
   4 ;;; 430 and 430x ISA.
   5 ;;; "MOV &FOO,r10" is used as an artbitrary statement which isn't a NOP, to
   6 ;;; break up the instructions being tested.
   7
   8 ;;; Test NOP required after DINT
   9         DINT
  10
  11         MOV &FOO,r10
  12 ;;; Check aliases for which the GIE bit (bit 3) of the SR can be cleared
  13 ;;; These should all cause warnings
  14         BIC.W #8,R2
  15         MOV &FOO,r10
  16
  17         BIC.W #8,SR
  18         MOV &FOO,r10
  19
  20         MOV.W #0,R2
  21         MOV &FOO,r10
  22
  23         MOV.W #7,R2
  24         MOV &FOO,r10
  25
  26         MOV.W #0xf007,R2
  27         MOV &FOO,r10
  28
  29         CLR R2
  30         MOV &FOO,r10
  31
  32 ;;; The above hopefully covers the legitimate ways the SR might be cleared,
  33 ;;; but there are other insns that can technically modify R2, but shouldn't be
  34 ;;; used.
  35
  36 ;;; Test DINT at end of file
  37         DINT