sim/testsuite/sim/sh64/compact/neg.cgs

   1 # sh testcase for neg $rm, $rn -*- Asm -*-
   2 # mach: all
   3 # as: -isa=shcompact
   4 # ld: -m shelf32
   5
   6         .include "compact/testutils.inc"
   7
   8         .macro signbit sign
   9         shlr16 r1
  10         shlr8 r1
  11         shlr r1
  12         shlr r1
  13         shlr r1
  14         shlr r1
  15         shlr r1
  16         shlr r1
  17         shlr r1
  18         assert r1, \sign
  19         .endm
  20         start
  21
  22         .global neg
  23 neg:
  24         mov #0, r0
  25         neg r0, r1
  26         signbit #0
  27
  28         mov #42, r0
  29         neg r0, r1
  30         signbit #1
  31
  32         mov #0, r0
  33         or #25, r0
  34         neg r0, r1
  35         signbit #1
  36
  37         # neg(0) is 0.
  38         mov #0, r0
  39         neg r0, r1
  40         signbit #0
  41
  42         # neg(neg(x)) = x.
  43         mov #42, r0
  44         neg r0, r1
  45         signbit #1
  46         mov #42, r0
  47         neg r0, r2
  48         neg r2, r1
  49         signbit #0
  50
  51 okay:
  52         pass
  53
  54 wrong:
  55         fail