ld/testsuite/ld-m68hc11/relax-direct.s

   1 ;;; Test 68HC11 linker relaxation from extended addressing to direct
   2 ;;; addressing modes
   3 ;;;
   4         .sect .text
   5         .globl _start
   6 _start:
   7 start:
   8         lds     stack
   9         ldd     _bar
  10         beq     F1
  11         beq     F2
  12         std     _bar
  13         jsr     _bar
  14 F1:
  15         addd    _toto
  16         bne     start
  17         ;; All the following instructions will be relaxed and win 1 byte
  18         ;; for each.
  19         addd    _toto+200
  20         addd    stack+256-20
  21         adca    _table+2
  22         adcb    _table+3
  23         adda    _table+4
  24         addb    _table+5
  25         addd    _table+6
  26         anda    _table+7
  27         andb    _table+8
  28         cmpa    _table+9
  29         cmpb    _table+10
  30         cpd     _table+11
  31         cpx     _table+12
  32         cpy     _table+13
  33         eora    _table+14
  34         eorb    _table+15
  35         jsr     _table+16
  36         ldaa    _table+17
  37         ldab    _table+18
  38         ldd     _table+19
  39         lds     _table+20
  40         ldx     _table+21
  41         ldy     _table+22
  42         oraa    _table+23
  43         orab    _table+24
  44         sbcb    _table+25
  45         sbca    _table+26
  46         staa    _table+27
  47         stab    _table+28
  48         std     _table+29
  49         sts     _table+30
  50         stx     _table+31
  51         sty     _table+32
  52         suba    _table+33
  53         subb    _table+34
  54         subd    _table+35
  55         ;; 'bne' is assembled as far branch and must relax to
  56         ;; a relative 8-bit branch.
  57         bne     _start
  58         ;; Likewise for next branch
  59         bra     F1
  60         rts
  61
  62 ;;; The following instructions will not be relaxed
  63 no_relax:
  64         addd    _stack_top+60
  65         std     _stack_top+40
  66         ;; 'tst' does not support direct addressing mode.
  67         tst     _toto+1
  68         bne     no_relax
  69         .skip   200
  70 F2:
  71         bra     _start
  72
  73         .sect   .page0
  74 _bar:
  75         .long   0
  76 _toto:
  77         .long   0
  78         .skip   32
  79 stack:
  80         .skip   10
  81 _table:
  82         .skip   200
  83 _stack_top:
  84