gas/testsuite/gas/mips/mips32.s

   1 # source file to test assembly of mips32 instructions
   2
   3         .set noreorder
   4       .set noat
   5
   6       .text
   7 text_label:
   8
   9       # unprivileged CPU instructions
  10
  11       clo     $1, $2
  12       clz     $3, $4
  13       madd    $5, $6
  14       maddu   $7, $8
  15       msub    $9, $10
  16       msubu   $11, $12
  17       mul     $13, $14, $15
  18       pref    4, ($16)
  19       pref    4, 32767($17)
  20       pref    4, -32768($18)
  21       ssnop
  22
  23
  24       # unprivileged coprocessor instructions.
  25       # these tests use cp2 to avoid other (cp0, fpu, prefetch) opcodes.
  26
  27       bc2f    text_label
  28       nop
  29       bc2fl   text_label
  30       nop
  31       bc2t    text_label
  32       nop
  33       bc2tl   text_label
  34       nop
  35       # XXX other BCzCond encodings not currently expressable
  36       cfc2    $1, $2
  37       cop2    0x1234567               # disassembles as c2 ...
  38       ctc2    $2, $3
  39       mfc2    $3, $4
  40       mfc2    $4, $5, 0               # disassembles without sel
  41       mfc2    $5, $6, 7
  42       mtc2    $6, $7
  43       mtc2    $7, $8, 0               # disassembles without sel
  44       mtc2    $8, $9, 7
  45
  46
  47       # privileged instructions
  48
  49       cache   5, ($1)
  50       cache   5, 32767($2)
  51       cache   5, -32768($3)
  52       .set at
  53       cache   5, 32768($4)
  54       cache   5, -32769($5)
  55       cache   5, 32768
  56       cache   5, -32769
  57       .set noat
  58       eret
  59       tlbp
  60       tlbr
  61       tlbwi
  62       tlbwr
  63       wait
  64       wait    0                       # disassembles without code
  65       wait    0x56789
  66
  67       # For a while break for the mips32 ISA interpreted a single argument
  68       # as a 20-bit code, placing it in the opcode differently to
  69       # traditional ISAs.  This turned out to cause problems, so it has
  70       # been removed.  This test is to assure consistent interpretation.
  71       break
  72       break   0                       # disassembles without code
  73       break   0x345
  74       break   0x48,0x345              # this still specifies a 20-bit code
  75
  76       # Instructions in previous ISAs or CPUs which are now slightly
  77       # different.
  78       sdbbp
  79       sdbbp   0                       # disassembles without code
  80       sdbbp   0x56789
  81
  82       # Cop2 branches with cond code number, like bc1t/f
  83       bc2f    $cc0,text_label
  84       nop
  85       bc2fl   $cc1,text_label
  86       nop
  87       bc2t    $cc6,text_label
  88       nop
  89       bc2tl   $cc7,text_label
  90       nop
  91
  92 # Force at least 8 (non-delay-slot) zero bytes, to make 'objdump' print ...
  93       .space  8