sim/testsuite/sh/fdiv.s

   1 # sh testcase for fdiv
   2 # mach: sh
   3 # as(sh):       -defsym sim_cpu=0
   4
   5         .include "testutils.inc"
   6
   7         start
   8 fdiv_single:
   9         # Single test
  10         set_grs_a5a5
  11         set_fprs_a5a5
  12         single_prec
  13         # 1.0 / 0.0 should be INF
  14         # (and not crash the sim).
  15         fldi0   fr0
  16         fldi1   fr1
  17         fdiv    fr0, fr1
  18         assert_fpreg_x  0x7f800000, fr1
  19
  20         # 0.0 / 1.0 == 0.0.
  21         fldi0   fr0
  22         fldi1   fr1
  23         fdiv    fr1, fr0
  24         assert_fpreg_x  0, fr0
  25
  26         # 2.0 / 1.0 == 2.0.
  27         fldi1   fr1
  28         fldi1   fr2
  29         fadd    fr2, fr2
  30         fdiv    fr1, fr2
  31         assert_fpreg_i  2, fr2
  32
  33         # (1.0 / 2.0) + (1.0 / 2.0) == 1.0.
  34         fldi1   fr1
  35         fldi1   fr2
  36         fadd    fr2, fr2
  37         fdiv    fr2, fr1
  38         # fr1 should contain 0.5.
  39         fadd    fr1, fr1
  40         assert_fpreg_i  1, fr1
  41         test_grs_a5a5
  42         assert_fpreg_i  2, fr2
  43         test_fpr_a5a5   fr3
  44         test_fpr_a5a5   fr4
  45         test_fpr_a5a5   fr5
  46         test_fpr_a5a5   fr6
  47         test_fpr_a5a5   fr7
  48         test_fpr_a5a5   fr8
  49         test_fpr_a5a5   fr9
  50         test_fpr_a5a5   fr10
  51         test_fpr_a5a5   fr11
  52         test_fpr_a5a5   fr12
  53         test_fpr_a5a5   fr13
  54         test_fpr_a5a5   fr14
  55         test_fpr_a5a5   fr15
  56
  57 fdiv_double:
  58         # Double test
  59         set_grs_a5a5
  60         set_fprs_a5a5
  61         # (1.0 / 2.0) + (1.0 / 2.0) == 1.0.
  62         fldi1   fr1
  63         fldi1   fr2
  64         # This add must be in single precision.  The rest must be in double.
  65         fadd    fr2, fr2
  66         double_prec
  67         _s2d    fr1, dr0
  68         _s2d    fr2, dr2
  69         fdiv    dr2, dr0
  70         # dr0 should contain 0.5.
  71         # double it, expect 1.0.
  72         fadd    dr0, dr0
  73         assert_dpreg_i  1, dr0
  74         assert_dpreg_i  2, dr2
  75         test_grs_a5a5
  76         test_fpr_a5a5   fr4
  77         test_fpr_a5a5   fr5
  78         test_fpr_a5a5   fr6
  79         test_fpr_a5a5   fr7
  80         test_fpr_a5a5   fr8
  81         test_fpr_a5a5   fr9
  82         test_fpr_a5a5   fr10
  83         test_fpr_a5a5   fr11
  84         test_fpr_a5a5   fr12
  85         test_fpr_a5a5   fr13
  86         test_fpr_a5a5   fr14
  87         test_fpr_a5a5   fr15
  88
  89         pass
  90         exit 0
  91