sim/testsuite/sim/sh64/compact/fdiv.cgs

   1 # sh testcase for fdiv -*- Asm -*-
   2 # mach: all
   3 # as: -isa=shcompact
   4 # ld: -m shelf32
   5
   6         .include "compact/testutils.inc"
   7
   8         start
   9         _clrpr
  10
  11         # 1.0 / 0.0 should be INF
  12         # (and not crash the sim).
  13         fldi0 fr0
  14         fldi1 fr1
  15         fdiv fr0, fr1
  16
  17         # 0.0 / 1.0 == 0.0.
  18         fldi0 fr0
  19         fldi1 fr1
  20         fdiv fr1, fr0
  21         fldi0 fr2
  22         fcmp/eq fr0, fr2
  23         bf wrong
  24
  25         # 2.0 / 1.0 == 2.0.
  26         fldi1 fr1
  27         fldi1 fr2
  28         fadd fr2, fr2
  29         fdiv fr1, fr2
  30         # Load 2.0 into fr3.
  31         fldi1 fr3
  32         fadd fr3, fr3
  33         fcmp/eq fr2, fr3
  34         bf wrong
  35
  36         # (1.0 / 2.0) + (1.0 / 2.0) == 1.0.
  37         fldi1 fr1
  38         fldi1 fr2
  39         fadd fr2, fr2
  40         fdiv fr2, fr1
  41         # fr1 should contain 0.5.
  42         fadd fr1, fr1
  43         # Load 1.0 into fr3.
  44         fldi1 fr3
  45         # Compare fr1 with fr3.
  46         fcmp/eq fr1, fr3
  47         bf wrong
  48
  49         bra double
  50         nop
  51
  52 wrong:
  53         fail
  54
  55 double:
  56         # double test
  57         # (1.0 / 2.0) + (1.0 / 2.0) == 1.0.
  58         fldi1 fr1
  59         _s2d fr1, dr6
  60         fldi1 fr2
  61         fadd fr2, fr2
  62         _s2d fr2, dr8
  63         _setpr
  64         fdiv dr8, dr6
  65         # dr0 should contain 0.5.
  66         # double it, expect 1.0.
  67         fadd dr6, dr6
  68         _clrpr
  69 foo:
  70         # Load 1.0 into dr4.
  71         fldi1 fr1
  72         _s2d fr1, dr10
  73         # Compare dr0 with dr10.
  74         _setpr
  75         fcmp/eq dr6, dr10
  76         bf wrong2
  77         _clrpr
  78
  79 okay:
  80         pass
  81
  82 wrong2:
  83         fail