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parseinstrs: Avoid redundant encoding of InstrDesc

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This commit is contained in:
Alexis Engelke
2021-01-23 10:27:50 +01:00
parent 09d3886577
commit 43910a6227
1 changed files with 5 additions and 5 deletions
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10
parseinstrs.py
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@@ -611,19 +611,19 @@ if __name__ == "__main__":
decode_mnems_lines = [f"FD_MNEMONIC({m},{i})\n" for i, m in enumerate(mnemonics)] decode_mnems_lines = [f"FD_MNEMONIC({m},{i})\n" for i, m in enumerate(mnemonics)]
args.decode_mnems.write("".join(decode_mnems_lines)) args.decode_mnems.write("".join(decode_mnems_lines))
modes = [32, 64]
table = Table(root_count=len(args.modes)) table = Table(root_count=len(args.modes))
weak_opcodes = [] weak_opcodes = []
for weak, opcode, desc in entries: for weak, opcode, desc in entries:
for i, mode in enumerate(args.modes):
if "ONLY%d"%(96-mode) not in desc.flags:
ign66 = opcode.prefix in ("NP", "66", "F2", "F3") ign66 = opcode.prefix in ("NP", "66", "F2", "F3")
modrm = opcode.modreg or opcode.opcext modrm = opcode.modreg or opcode.opcext
descenc = desc.encode(ign66, modrm)
for i, mode in enumerate(args.modes):
if "ONLY%d"%(96-mode) not in desc.flags:
for opcode_path in opcode.for_trie(): for opcode_path in opcode.for_trie():
if weak: if weak:
weak_opcodes.append((opcode_path, desc.encode(ign66, modrm), i)) weak_opcodes.append((opcode_path, descenc, i))
else: else:
table.add_opcode(opcode_path, desc.encode(ign66, modrm), i) table.add_opcode(opcode_path, descenc, i)
for k in weak_opcodes: for k in weak_opcodes:
table.fill_free(*k) table.fill_free(*k)