src/soc/decoder/isa/comparefixed.patch

   1 --- comparefixed.py.orig        2020-05-15 10:02:00.087668937 -0400
   2 +++ comparefixed.py     2020-05-15 12:32:36.834556205 -0400
   3 @@ -85,23 +85,22 @@
   4          else:
   5              in_range = le(src21lo, src1) & le(src1, src21hi) | le(src22lo, src1) & le(
   6                  src1, src22hi)
   7 -        CR[4 * BF + 32] = SelectableInt(value=0x0, bits=1)
   8 -        CR[4 * BF + 33] = in_range
   9 -        CR[4 * BF + 34] = SelectableInt(value=0x0, bits=1)
  10 -        CR[4 * BF + 35] = SelectableInt(value=0x0, bits=1)
  11 +        CR[4 * BF + 32] = SelectableInt(value=0x0, bits=1)
  12 +        CR[4 * BF + 33] = in_range
  13 +        CR[4 * BF + 34] = SelectableInt(value=0x0, bits=1)
  14 +        CR[4 * BF + 35] = SelectableInt(value=0x0, bits=1)
  15          return (CR,)
  16
  17      @inject()
  18 -    def op_cmpeqb(self, RB, CR):
  19 -        src1 = GPR[RA]
  20 -        src1 = src1[56:64]
  21 +    def op_cmpeqb(self, RA, RB, CR):
  22 +        src1 = RA[56:64]
  23          match = eq(src1, RB[0:8]) | eq(src1, RB[8:16]) | eq(src1, RB[16:24]) | eq(src1,
  24              RB[24:32]) | eq(src1, RB[32:40]) | eq(src1, RB[40:48]) | eq(src1, RB[48:56]
  25              ) | eq(src1, RB[56:64])
  26 -        CR[4 * BF + 32] = SelectableInt(value=0x0, bits=1)
  27 -        CR[4 * BF + 33] = match
  28 -        CR[4 * BF + 34] = SelectableInt(value=0x0, bits=1)
  29 -        CR[4 * BF + 35] = SelectableInt(value=0x0, bits=1)
  30 +        CR[4 * BF + 32] = SelectableInt(value=0x0, bits=1)
  31 +        CR[4 * BF + 33] = match
  32 +        CR[4 * BF + 34] = SelectableInt(value=0x0, bits=1)
  33 +        CR[4 * BF + 35] = SelectableInt(value=0x0, bits=1)
  34          return (CR,)
  35
  36      comparefixed_instrs = {}
  37 @@ -136,7 +135,7 @@
  38                  form='X',
  39                  asmregs=[['BF', 'L', 'RA', 'RB']])
  40      comparefixed_instrs['cmpeqb'] = instruction_info(func=op_cmpeqb,
  41 -                read_regs=OrderedSet(['RB']),
  42 +                read_regs=OrderedSet(['RA', 'RB']),
  43                  uninit_regs=OrderedSet(), write_regs=OrderedSet(['CR']),
  44                  special_regs=OrderedSet(['CR']), op_fields=OrderedSet(['BF']),
  45                  form='X',