sim/testsuite/sim/v850/shr.cgs

   1 # v850 shr
   2 # mach: all
   3
   4         .include "testutils.inc"
   5
   6 # CY is set to 1 if the bit shifted out last is 1, else 0
   7 # OV is set to zero.
   8 # Z is set if the result is 0, else 0
   9
  10         noflags
  11         seti    4, r1
  12         seti    0x00000000, r2
  13         shr     r1, r2
  14
  15         flags   z
  16         reg     r2, 0
  17
  18         noflags
  19         seti    4, r1
  20         seti    0x00000001, r2
  21         shr     r1, r2
  22
  23         flags   z
  24         reg     r2, 0
  25
  26         noflags
  27         seti    4, r1
  28         seti    0x00000008, r2
  29         shr     r1, r2
  30
  31         flags   c + z
  32         reg     r2, 0
  33
  34         noflags
  35         seti    0x00000000, r2
  36         shr     4, r2
  37
  38         flags   z
  39         reg     r2, 0
  40
  41         noflags
  42         seti    0x00000001, r2
  43         shr     4, r2
  44
  45         flags   z
  46         reg     r2, 0
  47
  48         noflags
  49         seti    0x00000008, r2
  50         shr     4, r2
  51
  52         flags   c + z
  53         reg     r2, 0
  54
  55 # However, if the number of shifts is 0, CY is 0.
  56
  57         noflags
  58         seti    0, r1
  59         seti    0xffffffff, r2
  60         shr     r1, r2
  61
  62         flags   s
  63         reg     r2, 0xffffffff
  64
  65         noflags
  66         seti    0xffffffff, r2
  67         shr     0, r2
  68
  69         flags   s
  70         reg     r2, 0xffffffff
  71
  72 # Zere is shifted into the MSB
  73 # S is 1 if the result is negative, else 0
  74
  75         noflags
  76         seti    1, r1
  77         seti    0x80000000, r2
  78         shr     r1, r2
  79
  80         flags   0
  81         reg     r2, 0x40000000
  82
  83         noflags
  84         seti    1, r1
  85         seti    0x40000000, r2
  86         shr     r1, r2
  87
  88         flags   0
  89         reg     r2, 0x20000000
  90
  91         pass