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instrs: Remove redundant IMM_8

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Alexis Engelke
2020-07-02 08:58:35 +02:00
parent 854082a156
commit da4ad137d8
3 changed files with 196 additions and 179 deletions
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7
parseinstrs.py
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@@ -170,11 +170,16 @@ class InstrDesc(NamedTuple):
if "DEF64" in self.flags: flags.sized64 = 1
if "SIZE_8" in self.flags: flags.size8 = 1
if "INSTR_WIDTH" in self.flags: flags.instr_width = 1
if "IMM_8" in self.flags: flags.imm_control = {4: 5, 6: 7}[flags.imm_control]
if "LOCK" in self.flags: flags.lock = 1
if "VSIB" in self.flags: flags.vsib = 1
if "MUSTMEM" in self.flags: setattr(flags, "op%d_regty"%(flags.modrm_idx^3), 0xf)
if flags.imm_control >= 4:
imm_op = next(op for op in self.operands if op.kind == OpKind.K_IMM)
if ("IMM_8" in self.flags or imm_op.size == 1 or
(imm_op.size == OpKind.SZ_OP and flags.size8)):
flags.imm_control |= 1
enc = flags._encode(6)
enc = tuple(int.from_bytes(enc[i:i+2], "little") for i in range(0, 6, 2))
# First 2 bytes are the mnemonic, last 6 bytes are the encoding.