sim/testsuite/frv/nudiv.cgs

   1 # frv testcase for nudiv $GRi,$GRj,$GRk
   2 # mach: fr500 fr550 frv
   3
   4         .include "testutils.inc"
   5
   6         start
   7
   8         .global nudiv
   9 nudiv:
  10         set_spr_immed   0,gner0
  11         set_spr_immed   0,gner1
  12
  13         ; simple division 12 / 3
  14         set_gr_immed    0x00000003,gr2
  15         set_gr_immed    0x0000000c,gr3
  16         nudiv           gr3,gr2,gr3
  17         test_gr_immed   0x00000003,gr2
  18         test_gr_immed   0x00000004,gr3
  19         test_spr_immed  0,gner0
  20         test_spr_immed  0,gner1
  21
  22         ; example 1 from the fr30 manual
  23         set_gr_limmed   0x0123,0x4567,gr2
  24         set_gr_limmed   0xfedc,0xba98,gr3
  25         nudiv           gr3,gr2,gr3
  26         test_gr_limmed  0x0123,0x4567,gr2
  27         test_gr_immed   0x000000e0,gr3
  28         test_spr_immed  0,gner0
  29         test_spr_immed  0,gner1
  30
  31         or_spr_immed    0x20,isr        ; turn on isr.edem
  32         nudiv           gr1,gr0,gr32    ; divide by zero
  33         test_spr_immed  1,gner0
  34         test_spr_immed  0,gner1
  35
  36         and_spr_immed   -33,isr         ; turn off isr.edem
  37         nudiv           gr1,gr0,gr10    ; divide by zero
  38         test_spr_immed  1,gner0
  39         test_spr_immed  0x00000400,gner1
  40
  41         ; simple division 12 / 3 -- should turn off ne flag
  42         set_gr_immed    12,gr1
  43         set_gr_immed    3,gr3
  44         nudiv           gr1,gr3,gr10
  45         test_gr_immed   4,gr10
  46         test_spr_immed  1,gner0
  47         test_spr_immed  0,gner1
  48
  49         pass