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llvm-6502/lib/Target/Mips/MicroMipsInstrInfo.td
Zoran Jovanovic 37fb9b9591 Provide an operand for microMIPS wait instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204329 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-20 10:41:37 +00:00

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TableGen
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def addrimm12 : ComplexPattern<iPTR, 2, "selectIntAddrMM", [frameindex]>;
def simm12 : Operand<i32> {
let DecoderMethod = "DecodeSimm12";
}
def mem_mm_12 : Operand<i32> {
let PrintMethod = "printMemOperand";
let MIOperandInfo = (ops GPR32, simm12);
let EncoderMethod = "getMemEncodingMMImm12";
let ParserMatchClass = MipsMemAsmOperand;
let OperandType = "OPERAND_MEMORY";
}
def jmptarget_mm : Operand<OtherVT> {
let EncoderMethod = "getJumpTargetOpValueMM";
}
def calltarget_mm : Operand<iPTR> {
let EncoderMethod = "getJumpTargetOpValueMM";
}
def brtarget_mm : Operand<OtherVT> {
let EncoderMethod = "getBranchTargetOpValueMM";
let OperandType = "OPERAND_PCREL";
let DecoderMethod = "DecodeBranchTargetMM";
}
let canFoldAsLoad = 1 in
class LoadLeftRightMM<string opstr, SDNode OpNode, RegisterOperand RO,
Operand MemOpnd> :
InstSE<(outs RO:$rt), (ins MemOpnd:$addr, RO:$src),
!strconcat(opstr, "\t$rt, $addr"),
[(set RO:$rt, (OpNode addrimm12:$addr, RO:$src))],
NoItinerary, FrmI> {
let DecoderMethod = "DecodeMemMMImm12";
string Constraints = "$src = $rt";
}
class StoreLeftRightMM<string opstr, SDNode OpNode, RegisterOperand RO,
Operand MemOpnd>:
InstSE<(outs), (ins RO:$rt, MemOpnd:$addr),
!strconcat(opstr, "\t$rt, $addr"),
[(OpNode RO:$rt, addrimm12:$addr)], NoItinerary, FrmI> {
let DecoderMethod = "DecodeMemMMImm12";
}
class LLBaseMM<string opstr, RegisterOperand RO> :
InstSE<(outs RO:$rt), (ins mem_mm_12:$addr),
!strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
let DecoderMethod = "DecodeMemMMImm12";
let mayLoad = 1;
}
class SCBaseMM<string opstr, RegisterOperand RO> :
InstSE<(outs RO:$dst), (ins RO:$rt, mem_mm_12:$addr),
!strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
let DecoderMethod = "DecodeMemMMImm12";
let mayStore = 1;
let Constraints = "$rt = $dst";
}
class LoadMM<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
InstrItinClass Itin = NoItinerary> :
InstSE<(outs RO:$rt), (ins mem_mm_12:$addr),
!strconcat(opstr, "\t$rt, $addr"),
[(set RO:$rt, (OpNode addrimm12:$addr))], Itin, FrmI> {
let DecoderMethod = "DecodeMemMMImm12";
let canFoldAsLoad = 1;
let mayLoad = 1;
}
class MoveMM16<string opstr, RegisterOperand RO, bit isComm = 0,
InstrItinClass Itin = NoItinerary> :
MicroMipsInst16<(outs RO:$rd), (ins RO:$rs),
!strconcat(opstr, "\t$rd, $rs"), [], Itin, FrmR> {
let isCommutable = isComm;
let isReMaterializable = 1;
}
// MicroMIPS Call
def MicroMipsJmpLink : SDNode<"MipsISD::JmpLinkMM",SDT_MipsJmpLink,
[SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
SDNPVariadic]>;
// 16-bit Jump and Link (Call)
class JumpLinkRegMM16<string opstr, RegisterOperand RO> :
MicroMipsInst16<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"),
[(MicroMipsJmpLink RO:$rs)], IIBranch, FrmR> {
let isCall = 1;
let hasDelaySlot = 1;
let Defs = [RA];
}
def MOVE16_MM : MoveMM16<"move", GPR32Opnd>, MOVE_FM_MM16<0x03>;
def JALR16_MM : JumpLinkRegMM16<"jalr", GPR32Opnd>, JALR_FM_MM16<0x0e>;
class WaitMM<string opstr> :
InstSE<(outs), (ins uimm10:$code_), !strconcat(opstr, "\t$code_"), [],
NoItinerary, FrmOther, opstr>;
let DecoderNamespace = "MicroMips", Predicates = [InMicroMips] in {
/// Arithmetic Instructions (ALU Immediate)
def ADDiu_MM : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd>,
ADDI_FM_MM<0xc>;
def ADDi_MM : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>,
ADDI_FM_MM<0x4>;
def SLTi_MM : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
SLTI_FM_MM<0x24>;
def SLTiu_MM : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
SLTI_FM_MM<0x2c>;
def ANDi_MM : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd>,
ADDI_FM_MM<0x34>;
def ORi_MM : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd>,
ADDI_FM_MM<0x14>;
def XORi_MM : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd>,
ADDI_FM_MM<0x1c>;
def LUi_MM : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM_MM;
def LEA_ADDiu_MM : MMRel, EffectiveAddress<"addiu", GPR32Opnd>,
LW_FM_MM<0xc>;
/// Arithmetic Instructions (3-Operand, R-Type)
def ADDu_MM : MMRel, ArithLogicR<"addu", GPR32Opnd>, ADD_FM_MM<0, 0x150>;
def SUBu_MM : MMRel, ArithLogicR<"subu", GPR32Opnd>, ADD_FM_MM<0, 0x1d0>;
def MUL_MM : MMRel, ArithLogicR<"mul", GPR32Opnd>, ADD_FM_MM<0, 0x210>;
def ADD_MM : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM_MM<0, 0x110>;
def SUB_MM : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM_MM<0, 0x190>;
def SLT_MM : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM_MM<0, 0x350>;
def SLTu_MM : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>,
ADD_FM_MM<0, 0x390>;
def AND_MM : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
ADD_FM_MM<0, 0x250>;
def OR_MM : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
ADD_FM_MM<0, 0x290>;
def XOR_MM : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
ADD_FM_MM<0, 0x310>;
def NOR_MM : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM_MM<0, 0x2d0>;
def MULT_MM : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
MULT_FM_MM<0x22c>;
def MULTu_MM : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
MULT_FM_MM<0x26c>;
def SDIV_MM : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
MULT_FM_MM<0x2ac>;
def UDIV_MM : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
MULT_FM_MM<0x2ec>;
/// Shift Instructions
def SLL_MM : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL>,
SRA_FM_MM<0, 0>;
def SRL_MM : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL>,
SRA_FM_MM<0x40, 0>;
def SRA_MM : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA>,
SRA_FM_MM<0x80, 0>;
def SLLV_MM : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV>,
SRLV_FM_MM<0x10, 0>;
def SRLV_MM : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV>,
SRLV_FM_MM<0x50, 0>;
def SRAV_MM : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV>,
SRLV_FM_MM<0x90, 0>;
def ROTR_MM : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR>,
SRA_FM_MM<0xc0, 0>;
def ROTRV_MM : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV>,
SRLV_FM_MM<0xd0, 0>;
/// Load and Store Instructions - aligned
let DecoderMethod = "DecodeMemMMImm16" in {
def LB_MM : Load<"lb", GPR32Opnd>, MMRel, LW_FM_MM<0x7>;
def LBu_MM : Load<"lbu", GPR32Opnd>, MMRel, LW_FM_MM<0x5>;
def LH_MM : Load<"lh", GPR32Opnd>, MMRel, LW_FM_MM<0xf>;
def LHu_MM : Load<"lhu", GPR32Opnd>, MMRel, LW_FM_MM<0xd>;
def LW_MM : Load<"lw", GPR32Opnd>, MMRel, LW_FM_MM<0x3f>;
def SB_MM : Store<"sb", GPR32Opnd>, MMRel, LW_FM_MM<0x6>;
def SH_MM : Store<"sh", GPR32Opnd>, MMRel, LW_FM_MM<0xe>;
def SW_MM : Store<"sw", GPR32Opnd>, MMRel, LW_FM_MM<0x3e>;
}
def LWU_MM : LoadMM<"lwu", GPR32Opnd, zextloadi32, II_LWU>, LL_FM_MM<0xe>;
/// Load and Store Instructions - unaligned
def LWL_MM : LoadLeftRightMM<"lwl", MipsLWL, GPR32Opnd, mem_mm_12>,
LWL_FM_MM<0x0>;
def LWR_MM : LoadLeftRightMM<"lwr", MipsLWR, GPR32Opnd, mem_mm_12>,
LWL_FM_MM<0x1>;
def SWL_MM : StoreLeftRightMM<"swl", MipsSWL, GPR32Opnd, mem_mm_12>,
LWL_FM_MM<0x8>;
def SWR_MM : StoreLeftRightMM<"swr", MipsSWR, GPR32Opnd, mem_mm_12>,
LWL_FM_MM<0x9>;
/// Move Conditional
def MOVZ_I_MM : MMRel, CMov_I_I_FT<"movz", GPR32Opnd, GPR32Opnd,
NoItinerary>, ADD_FM_MM<0, 0x58>;
def MOVN_I_MM : MMRel, CMov_I_I_FT<"movn", GPR32Opnd, GPR32Opnd,
NoItinerary>, ADD_FM_MM<0, 0x18>;
def MOVT_I_MM : MMRel, CMov_F_I_FT<"movt", GPR32Opnd, II_MOVT>,
CMov_F_I_FM_MM<0x25>;
def MOVF_I_MM : MMRel, CMov_F_I_FT<"movf", GPR32Opnd, II_MOVF>,
CMov_F_I_FM_MM<0x5>;
/// Move to/from HI/LO
def MTHI_MM : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>,
MTLO_FM_MM<0x0b5>;
def MTLO_MM : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>,
MTLO_FM_MM<0x0f5>;
def MFHI_MM : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>,
MFLO_FM_MM<0x035>;
def MFLO_MM : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>,
MFLO_FM_MM<0x075>;
/// Multiply Add/Sub Instructions
def MADD_MM : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM_MM<0x32c>;
def MADDU_MM : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM_MM<0x36c>;
def MSUB_MM : MMRel, MArithR<"msub", II_MSUB>, MULT_FM_MM<0x3ac>;
def MSUBU_MM : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM_MM<0x3ec>;
/// Count Leading
def CLZ_MM : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM_MM<0x16c>;
def CLO_MM : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM_MM<0x12c>;
/// Sign Ext In Register Instructions.
def SEB_MM : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>, SEB_FM_MM<0x0ac>;
def SEH_MM : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>, SEB_FM_MM<0x0ec>;
/// Word Swap Bytes Within Halfwords
def WSBH_MM : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM_MM<0x1ec>;
def EXT_MM : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>,
EXT_FM_MM<0x2c>;
def INS_MM : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>,
EXT_FM_MM<0x0c>;
/// Jump Instructions
let DecoderMethod = "DecodeJumpTargetMM" in {
def J_MM : MMRel, JumpFJ<jmptarget_mm, "j", br, bb, "j">,
J_FM_MM<0x35>;
def JAL_MM : MMRel, JumpLink<"jal", calltarget_mm>, J_FM_MM<0x3d>;
}
def JR_MM : MMRel, IndirectBranch<"jr", GPR32Opnd>, JR_FM_MM<0x3c>;
def JALR_MM : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM_MM<0x03c>;
def RET_MM : MMRel, RetBase<"ret", GPR32Opnd>, JR_FM_MM<0x3c>;
/// Branch Instructions
def BEQ_MM : MMRel, CBranch<"beq", brtarget_mm, seteq, GPR32Opnd>,
BEQ_FM_MM<0x25>;
def BNE_MM : MMRel, CBranch<"bne", brtarget_mm, setne, GPR32Opnd>,
BEQ_FM_MM<0x2d>;
def BGEZ_MM : MMRel, CBranchZero<"bgez", brtarget_mm, setge, GPR32Opnd>,
BGEZ_FM_MM<0x2>;
def BGTZ_MM : MMRel, CBranchZero<"bgtz", brtarget_mm, setgt, GPR32Opnd>,
BGEZ_FM_MM<0x6>;
def BLEZ_MM : MMRel, CBranchZero<"blez", brtarget_mm, setle, GPR32Opnd>,
BGEZ_FM_MM<0x4>;
def BLTZ_MM : MMRel, CBranchZero<"bltz", brtarget_mm, setlt, GPR32Opnd>,
BGEZ_FM_MM<0x0>;
def BGEZAL_MM : MMRel, BGEZAL_FT<"bgezal", brtarget_mm, GPR32Opnd>,
BGEZAL_FM_MM<0x03>;
def BLTZAL_MM : MMRel, BGEZAL_FT<"bltzal", brtarget_mm, GPR32Opnd>,
BGEZAL_FM_MM<0x01>;
/// Control Instructions
def SYNC_MM : MMRel, SYNC_FT<"sync">, SYNC_FM_MM;
def BREAK_MM : MMRel, BRK_FT<"break">, BRK_FM_MM;
def SYSCALL_MM : MMRel, SYS_FT<"syscall">, SYS_FM_MM;
def WAIT_MM : WaitMM<"wait">, WAIT_FM_MM;
def ERET_MM : MMRel, ER_FT<"eret">, ER_FM_MM<0x3cd>;
def DERET_MM : MMRel, ER_FT<"deret">, ER_FM_MM<0x38d>;
def EI_MM : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM_MM<0x15d>;
def DI_MM : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM_MM<0x11d>;
/// Trap Instructions
def TEQ_MM : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM_MM<0x0>;
def TGE_MM : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM_MM<0x08>;
def TGEU_MM : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM_MM<0x10>;
def TLT_MM : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM_MM<0x20>;
def TLTU_MM : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM_MM<0x28>;
def TNE_MM : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM_MM<0x30>;
def TEQI_MM : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM_MM<0x0e>;
def TGEI_MM : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM_MM<0x09>;
def TGEIU_MM : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM_MM<0x0b>;
def TLTI_MM : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM_MM<0x08>;
def TLTIU_MM : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM_MM<0x0a>;
def TNEI_MM : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM_MM<0x0c>;
/// Load-linked, Store-conditional
def LL_MM : LLBaseMM<"ll", GPR32Opnd>, LL_FM_MM<0x3>;
def SC_MM : SCBaseMM<"sc", GPR32Opnd>, LL_FM_MM<0xb>;
}
//===----------------------------------------------------------------------===//
// MicroMips instruction aliases
//===----------------------------------------------------------------------===//
let Predicates = [InMicroMips] in {
def : InstAlias<"wait", (WAIT_MM 0x0), 1>;
}
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