src/openpower/sv/trans/test_pysvp64dis_branch.py

   1 from openpower.simulator.program import Program
   2 from openpower.insndb.dis import load, dump
   3 from openpower.insndb.asm import SVP64Asm
   4 from openpower.insndb.core import Database, Style
   5 from openpower.decoder.power_enums import find_wiki_dir
   6 from openpower.sv import sv_binutils_fptrans
   7 import unittest
   8 import itertools
   9 import sys
  10
  11 class SVSTATETestCase(unittest.TestCase):
  12
  13     def _do_tst(self, expected):
  14         isa = SVP64Asm(expected)
  15         lst = list(isa)
  16         with Program(lst, bigendian=False) as program:
  17             print ("ops", program._instructions)
  18             program.binfile.seek(0)
  19             insns = load(program.binfile)
  20             #for insn in insns:
  21                 #print ("insn", insn)
  22             insns = list(insns)
  23             print ("insns", insns)
  24             for i, line in enumerate(dump(insns, style=Style.SHORT)):
  25                 name = expected[i].split(" ")[0]
  26                 with self.subTest("%d:%s" % (i, name)):
  27                     print("instruction", repr(line), repr(expected[i]))
  28                     self.assertEqual(expected[i], line,
  29                                      "instruction does not match "
  30                                      "'%s' expected '%s'" % (line, expected[i]))
  31
  32
  33     def test_0_bc(self):
  34         # hilarious. this should be autogenerated from a sequence
  35         # of lists of options. it's a lot of frickin options.
  36         lists = [[None, 'all'],
  37                  [None, 'm=r3', 'sz', 'snz'], # see below on this one...
  38                  [None, 'vs', 'vsi', 'vsb', 'vsbi'],
  39                  [None, 'ctr', 'cti'],
  40                  [None, 'sl'],
  41                  [None, 'slu'],
  42                  [None, 'lru'],
  43                 ]
  44         expected = []
  45         for options in itertools.product(*lists): # permutations of list-options
  46             options = list(filter(lambda x:x, options)) # filter Nones
  47             # /sz or /snz must have /m=r3 added but then sorted
  48             if 'sz' in options or 'snz' in options:
  49                 options.append("m=r3")
  50             options.sort() # otherwise chaos!
  51             if len(options) != 0:
  52                 options = [''] + options # trick to make a "/" at the front
  53             print ("option", options)
  54             # ahhhhhahahaha and sv.bcctr and sv.bcl ahahahahaah....
  55             option = "sv.bc%s 12,*1,0xc" % "/".join(options)
  56             expected.append(option)
  57
  58         self._do_tst(expected)
  59
  60 if __name__ == "__main__":
  61     unittest.main()
  62