[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
diff --git a/llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp b/llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp
index 24dbf2a..b709c83 100644
--- a/llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp
+++ b/llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp
@@ -48,6 +48,40 @@
};
}
+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,