sim/testsuite/d10v/t-sadd.s

   1 # mach: all
   2 # output:
   3 # sim: --environment operating
   4
   5 .include "t-macros.i"
   6
   7         start
   8
   9         PSW_BITS = PSW_FX|PSW_ST|PSW_SM
  10         loadpsw2 PSW_BITS
  11
  12  ;; Test normal sadd
  13
  14         loadacc2 a0 0x00 0x7fff 0xffff
  15         loadacc2 a1 0xff 0x8000 0x0000
  16         sadd a1, a0
  17         checkacc2 1 a0 0x00 0x7fff 0xffff
  18         checkacc2 2 a1 0xff 0x8000 0x7fff
  19
  20  ;; Test overflow
  21
  22         loadacc2 a0 0x00 0x0000 0x0000
  23         loadacc2 a1 0x01 0x8000 0x0000
  24         sadd a1, a0
  25         checkacc2 3 a0 0x00 0x0000 0x0000
  26         checkacc2 4 a1 0x00 0x7fff 0xffff
  27
  28         loadacc2 a0 0x00 0xffff 0xffff
  29         loadacc2 a1 0x00 0xffff 0xffff
  30         sadd a1, a0
  31         checkacc2 5 a1 0x00 0x7fff 0xffff
  32         checkacc2 6 a0 0x00 0xffff 0xffff
  33
  34  ;; Test underflow
  35
  36         loadacc2 a0 0x00 0x0000 0x0000
  37         loadacc2 a1 0x80 0x8000 0x0000
  38         sadd a1, a0
  39         checkacc2 7 a0 0x00 0x0000 0x0000
  40         checkacc2 8 a1 0xff 0x8000 0x0000
  41
  42         exit0