sim/testsuite/d10v-elf/t-sadd.s

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