sim/testsuite/sim/sh64/compact/muluw.cgs

   1 # sh testcase for mulu.w $rm, $rn -*- Asm -*-
   2 # mach: all
   3 # as: -isa=shcompact
   4 # ld: -m shelf32
   5
   6         .include "compact/testutils.inc"
   7
   8         start
   9
  10         sts mach, r7
  11
  12         .global mulsw
  13 zero:
  14         mov #0, r0
  15         mov #1, r1
  16         mulu.w r0, r1
  17
  18         # Check the result.
  19         sts macl, r1
  20         mov #0, r0
  21         cmp/eq r0, r1
  22         bf wrong
  23
  24 sxs:
  25         # Small * small.
  26         mov #1, r0
  27         mov #2, r1
  28         mulu.w r0, r1
  29
  30         # Check the result.
  31         sts macl, r1
  32         mov #2, r0
  33         cmp/eq r0, r1
  34         bf wrong
  35
  36 sxl:
  37         # Small * large.
  38         mov #1, r1
  39         mov #0, r0
  40         or #255, r0
  41         shll8 r0
  42         mulu.w r1, r0
  43
  44         # Check the result.
  45         sts macl, r1
  46         mov #0, r0
  47         or #255, r0
  48         shll8 r0
  49         cmp/eq r0, r1
  50         bf wrong
  51
  52 lxs:
  53         # Large * small.
  54         mov #0, r0
  55         or #255, r0
  56         shll8 r0
  57         mov #1, r1
  58         mulu.w r0, r1
  59
  60         # Check the result.
  61         sts macl, r1
  62         mov #0, r0
  63         or #255, r0
  64         shll8 r0
  65         cmp/eq r0, r1
  66         bf wrong
  67
  68 lxl:
  69         # Large * large.
  70         mov #0, r0
  71         or #255, r0
  72         shll8 r0
  73         mov r0, r1
  74         mulu.w r0, r1
  75
  76         # Check the result.
  77         sts macl, r1
  78         mov #0, r0
  79         or #254, r0
  80         shll8 r0
  81         or #1, r0
  82         shll16 r0
  83         cmp/eq r0, r1
  84         bf wrong
  85
  86 invariant:
  87         # Ensure MACH is invariant.
  88         sts mach, r8
  89         cmp/eq r7, r8
  90         bf wrong
  91
  92 okay:
  93         pass
  94
  95 wrong:
  96         fail