sim/testsuite/mips/r6-forbidden.s

   1 # mips r6 test for forbidden slot behaviour
   2 # mach: mips32r6 mips64r6
   3 # as:   -mabi=eabi
   4 # ld:   -N -Ttext=0x80010000
   5 # output: *\\nReservedInstruction at PC = *\\nprogram stopped with signal 4 (Illegal instruction).\\n
   6 # xerror:
   7
   8   .include "testutils.inc"
   9
  10   setup
  11
  12   .set noreorder
  13
  14   .ent DIAG
  15 DIAG:
  16
  17   writemsg "[1] Test if FS is ignored when branch is taken"
  18   li $4, 0
  19   beqzalc $4, L1
  20   bc L2
  21
  22 L2:
  23   fail
  24
  25 L1:
  26   writemsg "[2] Test if FS is used when branch is not taken"
  27   li $4, 1
  28   blezc $4, L3
  29   addiu $4, $4, 1
  30   li $2, 2
  31   beq $4, $2, L4
  32
  33 L3:
  34   nop
  35   fail
  36
  37 L4:
  38   writemsg "[3] Test if FS causes an error when it contains a branch"
  39   li $4, 3
  40   beqzalc $4, L6
  41   bc L5
  42
  43 L5:
  44   nop
  45   fail
  46
  47 L6:
  48   #There is no passing condition here, all routes to the end indicate failure
  49   fail
  50
  51   .end DIAG