mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-28 22:29:56 +00:00
Summary: This completes the change to use JALR instead of JR on MIPS32r6/MIPS64r6. Reviewers: jkolek, vmedic, zoran.jovanovic, dsanders Reviewed By: dsanders Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D4269 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212605 91177308-0d34-0410-b5e6-96231b3b80d8
513 lines
22 KiB
TableGen
513 lines
22 KiB
TableGen
//===- Mips64InstrInfo.td - Mips64 Instruction Information -*- tablegen -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file describes Mips64 instructions.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Mips Operand, Complex Patterns and Transformations Definitions.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Unsigned Operand
|
|
def uimm16_64 : Operand<i64> {
|
|
let PrintMethod = "printUnsignedImm";
|
|
}
|
|
|
|
// Signed Operand
|
|
def simm10_64 : Operand<i64>;
|
|
|
|
def imm64: Operand<i64>;
|
|
|
|
// Transformation Function - get Imm - 32.
|
|
def Subtract32 : SDNodeXForm<imm, [{
|
|
return getImm(N, (unsigned)N->getZExtValue() - 32);
|
|
}]>;
|
|
|
|
// shamt must fit in 6 bits.
|
|
def immZExt6 : ImmLeaf<i32, [{return Imm == (Imm & 0x3f);}]>;
|
|
|
|
// Node immediate fits as 10-bit sign extended on target immediate.
|
|
// e.g. seqi, snei
|
|
def immSExt10_64 : PatLeaf<(i64 imm),
|
|
[{ return isInt<10>(N->getSExtValue()); }]>;
|
|
|
|
def immZExt16_64 : PatLeaf<(i64 imm),
|
|
[{ return isInt<16>(N->getZExtValue()); }]>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Instructions specific format
|
|
//===----------------------------------------------------------------------===//
|
|
let usesCustomInserter = 1 in {
|
|
def ATOMIC_LOAD_ADD_I64 : Atomic2Ops<atomic_load_add_64, GPR64>;
|
|
def ATOMIC_LOAD_SUB_I64 : Atomic2Ops<atomic_load_sub_64, GPR64>;
|
|
def ATOMIC_LOAD_AND_I64 : Atomic2Ops<atomic_load_and_64, GPR64>;
|
|
def ATOMIC_LOAD_OR_I64 : Atomic2Ops<atomic_load_or_64, GPR64>;
|
|
def ATOMIC_LOAD_XOR_I64 : Atomic2Ops<atomic_load_xor_64, GPR64>;
|
|
def ATOMIC_LOAD_NAND_I64 : Atomic2Ops<atomic_load_nand_64, GPR64>;
|
|
def ATOMIC_SWAP_I64 : Atomic2Ops<atomic_swap_64, GPR64>;
|
|
def ATOMIC_CMP_SWAP_I64 : AtomicCmpSwap<atomic_cmp_swap_64, GPR64>;
|
|
}
|
|
|
|
/// Pseudo instructions for loading and storing accumulator registers.
|
|
let isPseudo = 1, isCodeGenOnly = 1 in {
|
|
def LOAD_ACC128 : Load<"", ACC128>;
|
|
def STORE_ACC128 : Store<"", ACC128>;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Instruction definition
|
|
//===----------------------------------------------------------------------===//
|
|
let DecoderNamespace = "Mips64" in {
|
|
/// Arithmetic Instructions (ALU Immediate)
|
|
def DADDi : ArithLogicI<"daddi", simm16_64, GPR64Opnd>, ADDI_FM<0x18>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def DADDiu : ArithLogicI<"daddiu", simm16_64, GPR64Opnd, II_DADDIU,
|
|
immSExt16, add>,
|
|
ADDI_FM<0x19>, IsAsCheapAsAMove, ISA_MIPS3;
|
|
|
|
let isCodeGenOnly = 1 in {
|
|
def SLTi64 : SetCC_I<"slti", setlt, simm16_64, immSExt16, GPR64Opnd>,
|
|
SLTI_FM<0xa>;
|
|
def SLTiu64 : SetCC_I<"sltiu", setult, simm16_64, immSExt16, GPR64Opnd>,
|
|
SLTI_FM<0xb>;
|
|
def ANDi64 : ArithLogicI<"andi", uimm16_64, GPR64Opnd, II_AND, immZExt16, and>,
|
|
ADDI_FM<0xc>;
|
|
def ORi64 : ArithLogicI<"ori", uimm16_64, GPR64Opnd, II_OR, immZExt16, or>,
|
|
ADDI_FM<0xd>;
|
|
def XORi64 : ArithLogicI<"xori", uimm16_64, GPR64Opnd, II_XOR, immZExt16, xor>,
|
|
ADDI_FM<0xe>;
|
|
def LUi64 : LoadUpper<"lui", GPR64Opnd, uimm16_64>, LUI_FM;
|
|
}
|
|
|
|
/// Arithmetic Instructions (3-Operand, R-Type)
|
|
def DADD : ArithLogicR<"dadd", GPR64Opnd, 1, II_DADD>, ADD_FM<0, 0x2c>,
|
|
ISA_MIPS3;
|
|
def DADDu : ArithLogicR<"daddu", GPR64Opnd, 1, II_DADDU, add>, ADD_FM<0, 0x2d>,
|
|
ISA_MIPS3;
|
|
def DSUBu : ArithLogicR<"dsubu", GPR64Opnd, 0, II_DSUBU, sub>, ADD_FM<0, 0x2f>,
|
|
ISA_MIPS3;
|
|
def DSUB : ArithLogicR<"dsub", GPR64Opnd, 0, II_DSUB>, ADD_FM<0, 0x2e>,
|
|
ISA_MIPS3;
|
|
|
|
let isCodeGenOnly = 1 in {
|
|
def SLT64 : SetCC_R<"slt", setlt, GPR64Opnd>, ADD_FM<0, 0x2a>;
|
|
def SLTu64 : SetCC_R<"sltu", setult, GPR64Opnd>, ADD_FM<0, 0x2b>;
|
|
def AND64 : ArithLogicR<"and", GPR64Opnd, 1, II_AND, and>, ADD_FM<0, 0x24>;
|
|
def OR64 : ArithLogicR<"or", GPR64Opnd, 1, II_OR, or>, ADD_FM<0, 0x25>;
|
|
def XOR64 : ArithLogicR<"xor", GPR64Opnd, 1, II_XOR, xor>, ADD_FM<0, 0x26>;
|
|
def NOR64 : LogicNOR<"nor", GPR64Opnd>, ADD_FM<0, 0x27>;
|
|
}
|
|
|
|
/// Shift Instructions
|
|
def DSLL : shift_rotate_imm<"dsll", uimm6, GPR64Opnd, II_DSLL, shl, immZExt6>,
|
|
SRA_FM<0x38, 0>, ISA_MIPS3;
|
|
def DSRL : shift_rotate_imm<"dsrl", uimm6, GPR64Opnd, II_DSRL, srl, immZExt6>,
|
|
SRA_FM<0x3a, 0>, ISA_MIPS3;
|
|
def DSRA : shift_rotate_imm<"dsra", uimm6, GPR64Opnd, II_DSRA, sra, immZExt6>,
|
|
SRA_FM<0x3b, 0>, ISA_MIPS3;
|
|
def DSLLV : shift_rotate_reg<"dsllv", GPR64Opnd, II_DSLLV, shl>,
|
|
SRLV_FM<0x14, 0>, ISA_MIPS3;
|
|
def DSRLV : shift_rotate_reg<"dsrlv", GPR64Opnd, II_DSRLV, srl>,
|
|
SRLV_FM<0x16, 0>, ISA_MIPS3;
|
|
def DSRAV : shift_rotate_reg<"dsrav", GPR64Opnd, II_DSRAV, sra>,
|
|
SRLV_FM<0x17, 0>, ISA_MIPS3;
|
|
def DSLL32 : shift_rotate_imm<"dsll32", uimm5, GPR64Opnd, II_DSLL32>,
|
|
SRA_FM<0x3c, 0>, ISA_MIPS3;
|
|
def DSRL32 : shift_rotate_imm<"dsrl32", uimm5, GPR64Opnd, II_DSRL32>,
|
|
SRA_FM<0x3e, 0>, ISA_MIPS3;
|
|
def DSRA32 : shift_rotate_imm<"dsra32", uimm5, GPR64Opnd, II_DSRA32>,
|
|
SRA_FM<0x3f, 0>, ISA_MIPS3;
|
|
|
|
// Rotate Instructions
|
|
def DROTR : shift_rotate_imm<"drotr", uimm6, GPR64Opnd, II_DROTR, rotr,
|
|
immZExt6>,
|
|
SRA_FM<0x3a, 1>, ISA_MIPS64R2;
|
|
def DROTRV : shift_rotate_reg<"drotrv", GPR64Opnd, II_DROTRV, rotr>,
|
|
SRLV_FM<0x16, 1>, ISA_MIPS64R2;
|
|
def DROTR32 : shift_rotate_imm<"drotr32", uimm5, GPR64Opnd, II_DROTR32>,
|
|
SRA_FM<0x3e, 1>, ISA_MIPS64R2;
|
|
|
|
/// Load and Store Instructions
|
|
/// aligned
|
|
let isCodeGenOnly = 1 in {
|
|
def LB64 : Load<"lb", GPR64Opnd, sextloadi8, II_LB>, LW_FM<0x20>;
|
|
def LBu64 : Load<"lbu", GPR64Opnd, zextloadi8, II_LBU>, LW_FM<0x24>;
|
|
def LH64 : Load<"lh", GPR64Opnd, sextloadi16, II_LH>, LW_FM<0x21>;
|
|
def LHu64 : Load<"lhu", GPR64Opnd, zextloadi16, II_LHU>, LW_FM<0x25>;
|
|
def LW64 : Load<"lw", GPR64Opnd, sextloadi32, II_LW>, LW_FM<0x23>;
|
|
def SB64 : Store<"sb", GPR64Opnd, truncstorei8, II_SB>, LW_FM<0x28>;
|
|
def SH64 : Store<"sh", GPR64Opnd, truncstorei16, II_SH>, LW_FM<0x29>;
|
|
def SW64 : Store<"sw", GPR64Opnd, truncstorei32, II_SW>, LW_FM<0x2b>;
|
|
}
|
|
|
|
def LWu : Load<"lwu", GPR64Opnd, zextloadi32, II_LWU>, LW_FM<0x27>, ISA_MIPS3;
|
|
def LD : Load<"ld", GPR64Opnd, load, II_LD>, LW_FM<0x37>, ISA_MIPS3;
|
|
def SD : Store<"sd", GPR64Opnd, store, II_SD>, LW_FM<0x3f>, ISA_MIPS3;
|
|
|
|
/// load/store left/right
|
|
let isCodeGenOnly = 1 in {
|
|
def LWL64 : LoadLeftRight<"lwl", MipsLWL, GPR64Opnd, II_LWL>, LW_FM<0x22>;
|
|
def LWR64 : LoadLeftRight<"lwr", MipsLWR, GPR64Opnd, II_LWR>, LW_FM<0x26>;
|
|
def SWL64 : StoreLeftRight<"swl", MipsSWL, GPR64Opnd, II_SWL>, LW_FM<0x2a>;
|
|
def SWR64 : StoreLeftRight<"swr", MipsSWR, GPR64Opnd, II_SWR>, LW_FM<0x2e>;
|
|
}
|
|
|
|
def LDL : LoadLeftRight<"ldl", MipsLDL, GPR64Opnd, II_LDL>, LW_FM<0x1a>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def LDR : LoadLeftRight<"ldr", MipsLDR, GPR64Opnd, II_LDR>, LW_FM<0x1b>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def SDL : StoreLeftRight<"sdl", MipsSDL, GPR64Opnd, II_SDL>, LW_FM<0x2c>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def SDR : StoreLeftRight<"sdr", MipsSDR, GPR64Opnd, II_SDR>, LW_FM<0x2d>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
|
|
/// Load-linked, Store-conditional
|
|
def LLD : LLBase<"lld", GPR64Opnd>, LW_FM<0x34>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def SCD : SCBase<"scd", GPR64Opnd>, LW_FM<0x3c>, ISA_MIPS3_NOT_32R6_64R6;
|
|
|
|
/// Jump and Branch Instructions
|
|
let isCodeGenOnly = 1 in {
|
|
def JR64 : IndirectBranch<"jr", GPR64Opnd>, MTLO_FM<8>;
|
|
def BEQ64 : CBranch<"beq", brtarget, seteq, GPR64Opnd>, BEQ_FM<4>;
|
|
def BNE64 : CBranch<"bne", brtarget, setne, GPR64Opnd>, BEQ_FM<5>;
|
|
def BGEZ64 : CBranchZero<"bgez", brtarget, setge, GPR64Opnd>, BGEZ_FM<1, 1>;
|
|
def BGTZ64 : CBranchZero<"bgtz", brtarget, setgt, GPR64Opnd>, BGEZ_FM<7, 0>;
|
|
def BLEZ64 : CBranchZero<"blez", brtarget, setle, GPR64Opnd>, BGEZ_FM<6, 0>;
|
|
def BLTZ64 : CBranchZero<"bltz", brtarget, setlt, GPR64Opnd>, BGEZ_FM<1, 0>;
|
|
def JALR64 : JumpLinkReg<"jalr", GPR64Opnd>, JALR_FM;
|
|
def JALR64Pseudo : JumpLinkRegPseudo<GPR64Opnd, JALR, RA, GPR32Opnd>;
|
|
def TAILCALL64_R : TailCallReg<GPR64Opnd, JR, GPR32Opnd>;
|
|
}
|
|
|
|
def PseudoReturn64 : PseudoReturnBase<GPR64Opnd>;
|
|
def PseudoIndirectBranch64 : PseudoIndirectBranchBase<GPR64Opnd>;
|
|
|
|
/// Multiply and Divide Instructions.
|
|
def DMULT : Mult<"dmult", II_DMULT, GPR64Opnd, [HI0_64, LO0_64]>,
|
|
MULT_FM<0, 0x1c>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def DMULTu : Mult<"dmultu", II_DMULTU, GPR64Opnd, [HI0_64, LO0_64]>,
|
|
MULT_FM<0, 0x1d>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def PseudoDMULT : MultDivPseudo<DMULT, ACC128, GPR64Opnd, MipsMult,
|
|
II_DMULT>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def PseudoDMULTu : MultDivPseudo<DMULTu, ACC128, GPR64Opnd, MipsMultu,
|
|
II_DMULTU>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def DSDIV : Div<"ddiv", II_DDIV, GPR64Opnd, [HI0_64, LO0_64]>,
|
|
MULT_FM<0, 0x1e>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def DUDIV : Div<"ddivu", II_DDIVU, GPR64Opnd, [HI0_64, LO0_64]>,
|
|
MULT_FM<0, 0x1f>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def PseudoDSDIV : MultDivPseudo<DSDIV, ACC128, GPR64Opnd, MipsDivRem,
|
|
II_DDIV, 0, 1, 1>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def PseudoDUDIV : MultDivPseudo<DUDIV, ACC128, GPR64Opnd, MipsDivRemU,
|
|
II_DDIVU, 0, 1, 1>, ISA_MIPS3_NOT_32R6_64R6;
|
|
|
|
let isCodeGenOnly = 1 in {
|
|
def MTHI64 : MoveToLOHI<"mthi", GPR64Opnd, [HI0_64]>, MTLO_FM<0x11>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def MTLO64 : MoveToLOHI<"mtlo", GPR64Opnd, [LO0_64]>, MTLO_FM<0x13>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def MFHI64 : MoveFromLOHI<"mfhi", GPR64Opnd, AC0_64>, MFLO_FM<0x10>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def MFLO64 : MoveFromLOHI<"mflo", GPR64Opnd, AC0_64>, MFLO_FM<0x12>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def PseudoMFHI64 : PseudoMFLOHI<GPR64, ACC128, MipsMFHI>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def PseudoMFLO64 : PseudoMFLOHI<GPR64, ACC128, MipsMFLO>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def PseudoMTLOHI64 : PseudoMTLOHI<ACC128, GPR64>, ISA_MIPS3_NOT_32R6_64R6;
|
|
|
|
/// Sign Ext In Register Instructions.
|
|
def SEB64 : SignExtInReg<"seb", i8, GPR64Opnd, II_SEB>, SEB_FM<0x10, 0x20>,
|
|
ISA_MIPS32R2;
|
|
def SEH64 : SignExtInReg<"seh", i16, GPR64Opnd, II_SEH>, SEB_FM<0x18, 0x20>,
|
|
ISA_MIPS32R2;
|
|
}
|
|
|
|
/// Count Leading
|
|
def DCLZ : CountLeading0<"dclz", GPR64Opnd>, CLO_FM<0x24>, ISA_MIPS64_NOT_64R6;
|
|
def DCLO : CountLeading1<"dclo", GPR64Opnd>, CLO_FM<0x25>, ISA_MIPS64_NOT_64R6;
|
|
|
|
/// Double Word Swap Bytes/HalfWords
|
|
def DSBH : SubwordSwap<"dsbh", GPR64Opnd>, SEB_FM<2, 0x24>, ISA_MIPS64R2;
|
|
def DSHD : SubwordSwap<"dshd", GPR64Opnd>, SEB_FM<5, 0x24>, ISA_MIPS64R2;
|
|
|
|
def LEA_ADDiu64 : EffectiveAddress<"daddiu", GPR64Opnd>, LW_FM<0x19>;
|
|
|
|
let isCodeGenOnly = 1 in
|
|
def RDHWR64 : ReadHardware<GPR64Opnd, HWRegsOpnd>, RDHWR_FM;
|
|
|
|
def DEXT : ExtBase<"dext", GPR64Opnd, uimm6, MipsExt>, EXT_FM<3>;
|
|
def DEXTU : ExtBase<"dextu", GPR64Opnd, uimm6>, EXT_FM<2>;
|
|
def DEXTM : ExtBase<"dextm", GPR64Opnd, uimm5>, EXT_FM<1>;
|
|
|
|
def DINS : InsBase<"dins", GPR64Opnd, uimm6, MipsIns>, EXT_FM<7>;
|
|
def DINSU : InsBase<"dinsu", GPR64Opnd, uimm6>, EXT_FM<6>;
|
|
def DINSM : InsBase<"dinsm", GPR64Opnd, uimm5>, EXT_FM<5>;
|
|
|
|
let isCodeGenOnly = 1, rs = 0, shamt = 0 in {
|
|
def DSLL64_32 : FR<0x00, 0x3c, (outs GPR64:$rd), (ins GPR32:$rt),
|
|
"dsll\t$rd, $rt, 32", [], II_DSLL>;
|
|
def SLL64_32 : FR<0x0, 0x00, (outs GPR64:$rd), (ins GPR32:$rt),
|
|
"sll\t$rd, $rt, 0", [], II_SLL>;
|
|
def SLL64_64 : FR<0x0, 0x00, (outs GPR64:$rd), (ins GPR64:$rt),
|
|
"sll\t$rd, $rt, 0", [], II_SLL>;
|
|
}
|
|
|
|
// We need the following pseudo instruction to avoid offset calculation for
|
|
// long branches. See the comment in file MipsLongBranch.cpp for detailed
|
|
// explanation.
|
|
|
|
// Expands to: daddiu $dst, $src, %PART($tgt - $baltgt)
|
|
// where %PART may be %hi or %lo, depending on the relocation kind
|
|
// that $tgt is annotated with.
|
|
def LONG_BRANCH_DADDiu : PseudoSE<(outs GPR64Opnd:$dst),
|
|
(ins GPR64Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
|
|
|
|
// Cavium Octeon cmMIPS instructions
|
|
let EncodingPredicates = []<Predicate>, // FIXME: The lack of HasStdEnc is probably a bug
|
|
AdditionalPredicates = [HasCnMips] in {
|
|
|
|
class Count1s<string opstr, RegisterOperand RO>:
|
|
InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
|
|
[(set RO:$rd, (ctpop RO:$rs))], II_POP, FrmR, opstr> {
|
|
let TwoOperandAliasConstraint = "$rd = $rs";
|
|
}
|
|
|
|
class ExtsCins<string opstr, SDPatternOperator Op = null_frag>:
|
|
InstSE<(outs GPR64Opnd:$rt), (ins GPR64Opnd:$rs, uimm5:$pos, uimm5:$lenm1),
|
|
!strconcat(opstr, " $rt, $rs, $pos, $lenm1"),
|
|
[(set GPR64Opnd:$rt, (Op GPR64Opnd:$rs, imm:$pos, imm:$lenm1))],
|
|
NoItinerary, FrmR, opstr> {
|
|
let TwoOperandAliasConstraint = "$rt = $rs";
|
|
}
|
|
|
|
class SetCC64_R<string opstr, PatFrag cond_op> :
|
|
InstSE<(outs GPR64Opnd:$rd), (ins GPR64Opnd:$rs, GPR64Opnd:$rt),
|
|
!strconcat(opstr, "\t$rd, $rs, $rt"),
|
|
[(set GPR64Opnd:$rd, (cond_op GPR64Opnd:$rs, GPR64Opnd:$rt))],
|
|
II_SEQ_SNE, FrmR, opstr> {
|
|
let TwoOperandAliasConstraint = "$rd = $rs";
|
|
}
|
|
|
|
class SetCC64_I<string opstr, PatFrag cond_op>:
|
|
InstSE<(outs GPR64Opnd:$rt), (ins GPR64Opnd:$rs, simm10_64:$imm10),
|
|
!strconcat(opstr, "\t$rt, $rs, $imm10"),
|
|
[(set GPR64Opnd:$rt, (cond_op GPR64Opnd:$rs, immSExt10_64:$imm10))],
|
|
II_SEQI_SNEI, FrmI, opstr> {
|
|
let TwoOperandAliasConstraint = "$rt = $rs";
|
|
}
|
|
|
|
// Unsigned Byte Add
|
|
let Pattern = [(set GPR64Opnd:$rd,
|
|
(and (add GPR64Opnd:$rs, GPR64Opnd:$rt), 255))] in
|
|
def BADDu : ArithLogicR<"baddu", GPR64Opnd, 1, II_BADDU>,
|
|
ADD_FM<0x1c, 0x28>;
|
|
|
|
// Multiply Doubleword to GPR
|
|
let Defs = [HI0, LO0, P0, P1, P2] in
|
|
def DMUL : ArithLogicR<"dmul", GPR64Opnd, 1, II_DMUL, mul>,
|
|
ADD_FM<0x1c, 0x03>;
|
|
|
|
// Extract a signed bit field /+32
|
|
def EXTS : ExtsCins<"exts">, EXTS_FM<0x3a>;
|
|
def EXTS32: ExtsCins<"exts32">, EXTS_FM<0x3b>;
|
|
|
|
// Clear and insert a bit field /+32
|
|
def CINS : ExtsCins<"cins">, EXTS_FM<0x32>;
|
|
def CINS32: ExtsCins<"cins32">, EXTS_FM<0x33>;
|
|
|
|
// Move to multiplier/product register
|
|
def MTM0 : MoveToLOHI<"mtm0", GPR64Opnd, [MPL0, P0, P1, P2]>, MTMR_FM<0x08>;
|
|
def MTM1 : MoveToLOHI<"mtm1", GPR64Opnd, [MPL1, P0, P1, P2]>, MTMR_FM<0x0c>;
|
|
def MTM2 : MoveToLOHI<"mtm2", GPR64Opnd, [MPL2, P0, P1, P2]>, MTMR_FM<0x0d>;
|
|
def MTP0 : MoveToLOHI<"mtp0", GPR64Opnd, [P0]>, MTMR_FM<0x09>;
|
|
def MTP1 : MoveToLOHI<"mtp1", GPR64Opnd, [P1]>, MTMR_FM<0x0a>;
|
|
def MTP2 : MoveToLOHI<"mtp2", GPR64Opnd, [P2]>, MTMR_FM<0x0b>;
|
|
|
|
// Count Ones in a Word/Doubleword
|
|
def POP : Count1s<"pop", GPR32Opnd>, POP_FM<0x2c>;
|
|
def DPOP : Count1s<"dpop", GPR64Opnd>, POP_FM<0x2d>;
|
|
|
|
// Set on equal/not equal
|
|
def SEQ : SetCC64_R<"seq", seteq>, SEQ_FM<0x2a>;
|
|
def SEQi : SetCC64_I<"seqi", seteq>, SEQI_FM<0x2e>;
|
|
def SNE : SetCC64_R<"sne", setne>, SEQ_FM<0x2b>;
|
|
def SNEi : SetCC64_I<"snei", setne>, SEQI_FM<0x2f>;
|
|
|
|
// 192-bit x 64-bit Unsigned Multiply and Add
|
|
let Defs = [P0, P1, P2] in
|
|
def V3MULU: ArithLogicR<"v3mulu", GPR64Opnd, 0, II_DMUL>,
|
|
ADD_FM<0x1c, 0x11>;
|
|
|
|
// 64-bit Unsigned Multiply and Add Move
|
|
let Defs = [MPL0, P0, P1, P2] in
|
|
def VMM0 : ArithLogicR<"vmm0", GPR64Opnd, 0, II_DMUL>,
|
|
ADD_FM<0x1c, 0x10>;
|
|
|
|
// 64-bit Unsigned Multiply and Add
|
|
let Defs = [MPL1, MPL2, P0, P1, P2] in
|
|
def VMULU : ArithLogicR<"vmulu", GPR64Opnd, 0, II_DMUL>,
|
|
ADD_FM<0x1c, 0x0f>;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Arbitrary patterns that map to one or more instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// extended loads
|
|
def : MipsPat<(i64 (extloadi1 addr:$src)), (LB64 addr:$src)>;
|
|
def : MipsPat<(i64 (extloadi8 addr:$src)), (LB64 addr:$src)>;
|
|
def : MipsPat<(i64 (extloadi16 addr:$src)), (LH64 addr:$src)>;
|
|
def : MipsPat<(i64 (extloadi32 addr:$src)), (LW64 addr:$src)>;
|
|
|
|
// hi/lo relocs
|
|
def : MipsPat<(MipsHi tglobaladdr:$in), (LUi64 tglobaladdr:$in)>;
|
|
def : MipsPat<(MipsHi tblockaddress:$in), (LUi64 tblockaddress:$in)>;
|
|
def : MipsPat<(MipsHi tjumptable:$in), (LUi64 tjumptable:$in)>;
|
|
def : MipsPat<(MipsHi tconstpool:$in), (LUi64 tconstpool:$in)>;
|
|
def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi64 tglobaltlsaddr:$in)>;
|
|
def : MipsPat<(MipsHi texternalsym:$in), (LUi64 texternalsym:$in)>;
|
|
|
|
def : MipsPat<(MipsLo tglobaladdr:$in), (DADDiu ZERO_64, tglobaladdr:$in)>;
|
|
def : MipsPat<(MipsLo tblockaddress:$in), (DADDiu ZERO_64, tblockaddress:$in)>;
|
|
def : MipsPat<(MipsLo tjumptable:$in), (DADDiu ZERO_64, tjumptable:$in)>;
|
|
def : MipsPat<(MipsLo tconstpool:$in), (DADDiu ZERO_64, tconstpool:$in)>;
|
|
def : MipsPat<(MipsLo tglobaltlsaddr:$in),
|
|
(DADDiu ZERO_64, tglobaltlsaddr:$in)>;
|
|
def : MipsPat<(MipsLo texternalsym:$in), (DADDiu ZERO_64, texternalsym:$in)>;
|
|
|
|
def : MipsPat<(add GPR64:$hi, (MipsLo tglobaladdr:$lo)),
|
|
(DADDiu GPR64:$hi, tglobaladdr:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsLo tblockaddress:$lo)),
|
|
(DADDiu GPR64:$hi, tblockaddress:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsLo tjumptable:$lo)),
|
|
(DADDiu GPR64:$hi, tjumptable:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsLo tconstpool:$lo)),
|
|
(DADDiu GPR64:$hi, tconstpool:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsLo tglobaltlsaddr:$lo)),
|
|
(DADDiu GPR64:$hi, tglobaltlsaddr:$lo)>;
|
|
|
|
def : WrapperPat<tglobaladdr, DADDiu, GPR64>;
|
|
def : WrapperPat<tconstpool, DADDiu, GPR64>;
|
|
def : WrapperPat<texternalsym, DADDiu, GPR64>;
|
|
def : WrapperPat<tblockaddress, DADDiu, GPR64>;
|
|
def : WrapperPat<tjumptable, DADDiu, GPR64>;
|
|
def : WrapperPat<tglobaltlsaddr, DADDiu, GPR64>;
|
|
|
|
defm : BrcondPats<GPR64, BEQ64, BNE64, SLT64, SLTu64, SLTi64, SLTiu64,
|
|
ZERO_64>;
|
|
|
|
def : MipsPat<(brcond (i32 (setlt i64:$lhs, 1)), bb:$dst),
|
|
(BLEZ64 i64:$lhs, bb:$dst)>;
|
|
def : MipsPat<(brcond (i32 (setgt i64:$lhs, -1)), bb:$dst),
|
|
(BGEZ64 i64:$lhs, bb:$dst)>;
|
|
|
|
// setcc patterns
|
|
defm : SeteqPats<GPR64, SLTiu64, XOR64, SLTu64, ZERO_64>;
|
|
defm : SetlePats<GPR64, SLT64, SLTu64>;
|
|
defm : SetgtPats<GPR64, SLT64, SLTu64>;
|
|
defm : SetgePats<GPR64, SLT64, SLTu64>;
|
|
defm : SetgeImmPats<GPR64, SLTi64, SLTiu64>;
|
|
|
|
// truncate
|
|
def : MipsPat<(i32 (trunc GPR64:$src)),
|
|
(SLL (EXTRACT_SUBREG GPR64:$src, sub_32), 0)>;
|
|
|
|
// 32-to-64-bit extension
|
|
def : MipsPat<(i64 (anyext GPR32:$src)), (SLL64_32 GPR32:$src)>;
|
|
def : MipsPat<(i64 (zext GPR32:$src)), (DSRL (DSLL64_32 GPR32:$src), 32)>;
|
|
def : MipsPat<(i64 (sext GPR32:$src)), (SLL64_32 GPR32:$src)>;
|
|
|
|
// Sign extend in register
|
|
def : MipsPat<(i64 (sext_inreg GPR64:$src, i32)),
|
|
(SLL64_64 GPR64:$src)>;
|
|
|
|
// bswap MipsPattern
|
|
def : MipsPat<(bswap GPR64:$rt), (DSHD (DSBH GPR64:$rt))>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Instruction aliases
|
|
//===----------------------------------------------------------------------===//
|
|
def : MipsInstAlias<"move $dst, $src",
|
|
(DADDu GPR64Opnd:$dst, GPR64Opnd:$src, ZERO_64), 1>,
|
|
GPR_64;
|
|
def : MipsInstAlias<"daddu $rs, $rt, $imm",
|
|
(DADDiu GPR64Opnd:$rs, GPR64Opnd:$rt, simm16_64:$imm),
|
|
0>;
|
|
def : MipsInstAlias<"dadd $rs, $rt, $imm",
|
|
(DADDi GPR64Opnd:$rs, GPR64Opnd:$rt, simm16_64:$imm),
|
|
0>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def : MipsInstAlias<"daddu $rs, $imm",
|
|
(DADDiu GPR64Opnd:$rs, GPR64Opnd:$rs, simm16_64:$imm),
|
|
0>;
|
|
def : MipsInstAlias<"dadd $rs, $imm",
|
|
(DADDi GPR64Opnd:$rs, GPR64Opnd:$rs, simm16_64:$imm),
|
|
0>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def : MipsInstAlias<"add $rs, $imm",
|
|
(ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm),
|
|
0>;
|
|
def : MipsInstAlias<"addu $rs, $imm",
|
|
(ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm),
|
|
0>;
|
|
def : MipsInstAlias<"dsll $rd, $rt, $rs",
|
|
(DSLLV GPR64Opnd:$rd, GPR64Opnd:$rt, GPR32Opnd:$rs), 0>,
|
|
ISA_MIPS3;
|
|
def : MipsInstAlias<"dsubu $rt, $rs, $imm",
|
|
(DADDiu GPR64Opnd:$rt, GPR64Opnd:$rs,
|
|
InvertedImOperand64:$imm), 0>;
|
|
def : MipsInstAlias<"dsubi $rs, $rt, $imm",
|
|
(DADDi GPR64Opnd:$rs, GPR64Opnd:$rt,
|
|
InvertedImOperand64:$imm),
|
|
0>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def : MipsInstAlias<"dsubi $rs, $imm",
|
|
(DADDi GPR64Opnd:$rs, GPR64Opnd:$rs,
|
|
InvertedImOperand64:$imm),
|
|
0>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def : MipsInstAlias<"dsub $rs, $rt, $imm",
|
|
(DADDi GPR64Opnd:$rs, GPR64Opnd:$rt,
|
|
InvertedImOperand64:$imm),
|
|
0>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def : MipsInstAlias<"dsub $rs, $imm",
|
|
(DADDi GPR64Opnd:$rs, GPR64Opnd:$rs,
|
|
InvertedImOperand64:$imm),
|
|
0>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def : MipsInstAlias<"dsubu $rs, $imm",
|
|
(DADDiu GPR64Opnd:$rs, GPR64Opnd:$rs,
|
|
InvertedImOperand64:$imm),
|
|
0>;
|
|
def : MipsInstAlias<"dsra $rd, $rt, $rs",
|
|
(DSRAV GPR64Opnd:$rd, GPR64Opnd:$rt, GPR32Opnd:$rs), 0>,
|
|
ISA_MIPS3;
|
|
def : MipsInstAlias<"dsrl $rd, $rt, $rs",
|
|
(DSRLV GPR64Opnd:$rd, GPR64Opnd:$rt, GPR32Opnd:$rs), 0>,
|
|
ISA_MIPS3;
|
|
|
|
class LoadImm64< string instr_asm, Operand Od, RegisterOperand RO> :
|
|
MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm64),
|
|
!strconcat(instr_asm, "\t$rt, $imm64")> ;
|
|
def LoadImm64Reg : LoadImm64<"dli", imm64, GPR64Opnd>;
|
|
|
|
/// Move between CPU and coprocessor registers
|
|
let DecoderNamespace = "Mips64", Predicates = [HasMips64] in {
|
|
def DMFC0 : MFC3OP<"dmfc0", GPR64Opnd>, MFC3OP_FM<0x10, 1>;
|
|
def DMTC0 : MFC3OP<"dmtc0", GPR64Opnd>, MFC3OP_FM<0x10, 5>, ISA_MIPS3;
|
|
def DMFC2 : MFC3OP<"dmfc2", GPR64Opnd>, MFC3OP_FM<0x12, 1>, ISA_MIPS3;
|
|
def DMTC2 : MFC3OP<"dmtc2", GPR64Opnd>, MFC3OP_FM<0x12, 5>, ISA_MIPS3;
|
|
}
|
|
|
|
// Two operand (implicit 0 selector) versions:
|
|
def : MipsInstAlias<"dmfc0 $rt, $rd", (DMFC0 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>;
|
|
def : MipsInstAlias<"dmtc0 $rt, $rd", (DMTC0 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>;
|
|
def : MipsInstAlias<"dmfc2 $rt, $rd", (DMFC2 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>;
|
|
def : MipsInstAlias<"dmtc2 $rt, $rd", (DMTC2 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>;
|
|
|