From a556e6ba500ba54d1ca90d6a947dd962d9c287c7 Mon Sep 17 00:00:00 2001 From: Lena Djokic Date: Wed, 13 Dec 2017 12:09:42 +0100 Subject: MIPS: InstructionCodeGeneratorMIPS*::DivRemByPowerOfTwo() Replace [d]sll+[d]srl with [d]ins on R2+. Change-Id: I7587e46c47c8ce413d81a5c6c29d91e32a14d855 --- disassembler/disassembler_mips.cc | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'disassembler/disassembler_mips.cc') diff --git a/disassembler/disassembler_mips.cc b/disassembler/disassembler_mips.cc index 2c800e7af3..b5f5d6ff10 100644 --- a/disassembler/disassembler_mips.cc +++ b/disassembler/disassembler_mips.cc @@ -177,7 +177,9 @@ static const MipsInstruction gMipsInstructions[] = { { kSpecial3Mask | 0x3f, (31 << kOpcodeShift), "ext", "TSAZ", }, { kSpecial3Mask | 0x3f, (31 << kOpcodeShift) | 3, "dext", "TSAZ", }, { kSpecial3Mask | 0x3f, (31 << kOpcodeShift) | 4, "ins", "TSAz", }, + { kSpecial3Mask | 0x3f, (31 << kOpcodeShift) | 5, "dinsm", "TSAJ", }, { kSpecial3Mask | 0x3f, (31 << kOpcodeShift) | 6, "dinsu", "TSFz", }, + { kSpecial3Mask | 0x3f, (31 << kOpcodeShift) | 7, "dins", "TSAz", }, { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, (31 << kOpcodeShift) | (16 << 6) | 32, "seb", @@ -584,6 +586,9 @@ size_t DisassemblerMips::Dump(std::ostream& os, const uint8_t* instr_ptr) { case 'i': // Sign-extended lower 16-bit immediate. args << static_cast(instruction & 0xffff); break; + case 'J': // sz (dinsm size). + args << (rd - sa + 33); + break; case 'j': // sa value for lsa/dlsa. args << (sa + 1); break; -- cgit v1.2.3-59-g8ed1b