From 838307b31f7ecbca87fe675d6d4c9afc3eb03a40 Mon Sep 17 00:00:00 2001 From: Colin LeMahieu Date: Fri, 24 Oct 2014 19:00:32 +0000 Subject: [Hexagon] Resubmission of 220427 Modified library structure to deal with circular dependency between HexagonInstPrinter and HexagonMCInst. Adding encoding bits for add opcode. Adding llvm-mc tests. Removing unit tests. http://reviews.llvm.org/D5624 llvm-svn: 220584 --- .../Hexagon/Disassembler/HexagonDisassembler.cpp | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) (limited to 'llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp') diff --git a/llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp b/llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp index 24dbf2a16b9..b709c835acf 100644 --- a/llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp +++ b/llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp @@ -48,6 +48,40 @@ public: }; } +static const uint16_t IntRegDecoderTable[] = { + Hexagon::R0, Hexagon::R1, Hexagon::R2, Hexagon::R3, Hexagon::R4, + Hexagon::R5, Hexagon::R6, Hexagon::R7, Hexagon::R8, Hexagon::R9, + Hexagon::R10, Hexagon::R11, Hexagon::R12, Hexagon::R13, Hexagon::R14, + Hexagon::R15, Hexagon::R16, Hexagon::R17, Hexagon::R18, Hexagon::R19, + Hexagon::R20, Hexagon::R21, Hexagon::R22, Hexagon::R23, Hexagon::R24, + Hexagon::R25, Hexagon::R26, Hexagon::R27, Hexagon::R28, Hexagon::R29, + Hexagon::R30, Hexagon::R31}; + +static const uint16_t PredRegDecoderTable[] = {Hexagon::P0, Hexagon::P1, + Hexagon::P2, Hexagon::P3}; + +static DecodeStatus DecodeIntRegsRegisterClass(MCInst &Inst, unsigned RegNo, + uint64_t /*Address*/, + void const *Decoder) { + if (RegNo > 31) + return MCDisassembler::Fail; + + unsigned Register = IntRegDecoderTable[RegNo]; + Inst.addOperand(MCOperand::CreateReg(Register)); + return MCDisassembler::Success; +} + +static DecodeStatus DecodePredRegsRegisterClass(MCInst &Inst, unsigned RegNo, + uint64_t /*Address*/, + void const *Decoder) { + if (RegNo > 3) + return MCDisassembler::Fail; + + unsigned Register = PredRegDecoderTable[RegNo]; + Inst.addOperand(MCOperand::CreateReg(Register)); + return MCDisassembler::Success; +} + #include "HexagonGenDisassemblerTables.inc" static MCDisassembler *createHexagonDisassembler(Target const &T, -- cgit v1.2.3