forked from OSchip/llvm-project
993 lines
45 KiB
TableGen
993 lines
45 KiB
TableGen
//===- Mips64InstrInfo.td - Mips64 Instruction Information -*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file describes Mips64 instructions.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// Mips Operand, Complex Patterns and Transformations Definitions.
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//===----------------------------------------------------------------------===//
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// shamt must fit in 6 bits.
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def immZExt6 : ImmLeaf<i32, [{return Imm == (Imm & 0x3f);}]>;
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// Node immediate fits as 10-bit sign extended on target immediate.
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// e.g. seqi, snei
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def immSExt10_64 : PatLeaf<(i64 imm),
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[{ return isInt<10>(N->getSExtValue()); }]>;
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def immZExt16_64 : PatLeaf<(i64 imm),
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[{ return isUInt<16>(N->getZExtValue()); }]>;
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def immZExt5_64 : ImmLeaf<i64, [{ return Imm == (Imm & 0x1f); }]>;
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// Transformation function: get log2 of low 32 bits of immediate
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def Log2LO : SDNodeXForm<imm, [{
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return getImm(N, Log2_64((unsigned) N->getZExtValue()));
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}]>;
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// Transformation function: get log2 of high 32 bits of immediate
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def Log2HI : SDNodeXForm<imm, [{
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return getImm(N, Log2_64((unsigned) (N->getZExtValue() >> 32)));
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}]>;
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// Predicate: True if immediate is a power of 2 and fits 32 bits
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def PowerOf2LO : PatLeaf<(imm), [{
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if (N->getValueType(0) == MVT::i64) {
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uint64_t Imm = N->getZExtValue();
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return isPowerOf2_64(Imm) && (Imm & 0xffffffff) == Imm;
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}
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else
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return false;
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}]>;
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// Predicate: True if immediate is a power of 2 and exceeds 32 bits
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def PowerOf2HI : PatLeaf<(imm), [{
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if (N->getValueType(0) == MVT::i64) {
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uint64_t Imm = N->getZExtValue();
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return isPowerOf2_64(Imm) && (Imm & 0xffffffff00000000) == Imm;
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}
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else
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return false;
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}]>;
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def PowerOf2LO_i32 : PatLeaf<(imm), [{
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if (N->getValueType(0) == MVT::i32) {
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uint64_t Imm = N->getZExtValue();
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return isPowerOf2_32(Imm) && isUInt<32>(Imm);
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}
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else
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return false;
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}]>;
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def assertzext_lt_i32 : PatFrag<(ops node:$src), (assertzext node:$src), [{
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return cast<VTSDNode>(N->getOperand(1))->getVT().bitsLT(MVT::i32);
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}]>;
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//===----------------------------------------------------------------------===//
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// Instructions specific format
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//===----------------------------------------------------------------------===//
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let usesCustomInserter = 1 in {
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def ATOMIC_LOAD_ADD_I64 : Atomic2Ops<atomic_load_add_64, GPR64>;
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def ATOMIC_LOAD_SUB_I64 : Atomic2Ops<atomic_load_sub_64, GPR64>;
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def ATOMIC_LOAD_AND_I64 : Atomic2Ops<atomic_load_and_64, GPR64>;
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def ATOMIC_LOAD_OR_I64 : Atomic2Ops<atomic_load_or_64, GPR64>;
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def ATOMIC_LOAD_XOR_I64 : Atomic2Ops<atomic_load_xor_64, GPR64>;
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def ATOMIC_LOAD_NAND_I64 : Atomic2Ops<atomic_load_nand_64, GPR64>;
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def ATOMIC_SWAP_I64 : Atomic2Ops<atomic_swap_64, GPR64>;
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def ATOMIC_CMP_SWAP_I64 : AtomicCmpSwap<atomic_cmp_swap_64, GPR64>;
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}
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/// Pseudo instructions for loading and storing accumulator registers.
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let isPseudo = 1, isCodeGenOnly = 1, hasNoSchedulingInfo = 1 in {
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def LOAD_ACC128 : Load<"", ACC128>;
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def STORE_ACC128 : Store<"", ACC128>;
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}
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//===----------------------------------------------------------------------===//
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// Instruction definition
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//===----------------------------------------------------------------------===//
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let DecoderNamespace = "Mips64" in {
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/// Arithmetic Instructions (ALU Immediate)
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def DADDi : ArithLogicI<"daddi", simm16_64, GPR64Opnd, II_DADDI>,
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ADDI_FM<0x18>, ISA_MIPS3_NOT_32R6_64R6;
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let AdditionalPredicates = [NotInMicroMips] in {
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def DADDiu : StdMMR6Rel, ArithLogicI<"daddiu", simm16_64, GPR64Opnd,
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II_DADDIU, immSExt16, add>,
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ADDI_FM<0x19>, IsAsCheapAsAMove, ISA_MIPS3;
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}
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let isCodeGenOnly = 1 in {
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def SLTi64 : SetCC_I<"slti", setlt, simm16_64, immSExt16, GPR64Opnd>,
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SLTI_FM<0xa>;
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def SLTiu64 : SetCC_I<"sltiu", setult, simm16_64, immSExt16, GPR64Opnd>,
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SLTI_FM<0xb>;
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def ANDi64 : ArithLogicI<"andi", uimm16_64, GPR64Opnd, II_AND, immZExt16, and>,
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ADDI_FM<0xc>;
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def ORi64 : ArithLogicI<"ori", uimm16_64, GPR64Opnd, II_OR, immZExt16, or>,
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ADDI_FM<0xd>;
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def XORi64 : ArithLogicI<"xori", uimm16_64, GPR64Opnd, II_XOR, immZExt16, xor>,
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ADDI_FM<0xe>;
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def LUi64 : LoadUpper<"lui", GPR64Opnd, uimm16_64_relaxed>, LUI_FM;
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}
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/// Arithmetic Instructions (3-Operand, R-Type)
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let AdditionalPredicates = [NotInMicroMips] in {
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def DADD : StdMMR6Rel, ArithLogicR<"dadd", GPR64Opnd, 1, II_DADD>,
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ADD_FM<0, 0x2c>, ISA_MIPS3;
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def DADDu : StdMMR6Rel, ArithLogicR<"daddu", GPR64Opnd, 1, II_DADDU, add>,
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ADD_FM<0, 0x2d>, ISA_MIPS3;
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def DSUBu : StdMMR6Rel, ArithLogicR<"dsubu", GPR64Opnd, 0, II_DSUBU, sub>, ADD_FM<0, 0x2f>,
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ISA_MIPS3;
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def DSUB : StdMMR6Rel, ArithLogicR<"dsub", GPR64Opnd, 0, II_DSUB>, ADD_FM<0, 0x2e>,
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ISA_MIPS3;
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}
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let isCodeGenOnly = 1 in {
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def SLT64 : SetCC_R<"slt", setlt, GPR64Opnd>, ADD_FM<0, 0x2a>;
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def SLTu64 : SetCC_R<"sltu", setult, GPR64Opnd>, ADD_FM<0, 0x2b>;
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def AND64 : ArithLogicR<"and", GPR64Opnd, 1, II_AND, and>, ADD_FM<0, 0x24>;
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def OR64 : ArithLogicR<"or", GPR64Opnd, 1, II_OR, or>, ADD_FM<0, 0x25>;
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def XOR64 : ArithLogicR<"xor", GPR64Opnd, 1, II_XOR, xor>, ADD_FM<0, 0x26>;
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def NOR64 : LogicNOR<"nor", GPR64Opnd>, ADD_FM<0, 0x27>;
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}
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/// Shift Instructions
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let AdditionalPredicates = [NotInMicroMips] in {
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def DSLL : StdMMR6Rel, shift_rotate_imm<"dsll", uimm6, GPR64Opnd, II_DSLL,
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shl, immZExt6>,
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SRA_FM<0x38, 0>, ISA_MIPS3;
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def DSRL : StdMMR6Rel, shift_rotate_imm<"dsrl", uimm6, GPR64Opnd, II_DSRL,
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srl, immZExt6>,
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SRA_FM<0x3a, 0>, ISA_MIPS3;
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def DSRA : StdMMR6Rel, shift_rotate_imm<"dsra", uimm6, GPR64Opnd, II_DSRA,
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sra, immZExt6>,
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SRA_FM<0x3b, 0>, ISA_MIPS3;
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def DSLLV : StdMMR6Rel, shift_rotate_reg<"dsllv", GPR64Opnd, II_DSLLV, shl>,
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SRLV_FM<0x14, 0>, ISA_MIPS3;
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def DSRAV : StdMMR6Rel, shift_rotate_reg<"dsrav", GPR64Opnd, II_DSRAV, sra>,
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SRLV_FM<0x17, 0>, ISA_MIPS3;
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def DSRLV : StdMMR6Rel, shift_rotate_reg<"dsrlv", GPR64Opnd, II_DSRLV, srl>,
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SRLV_FM<0x16, 0>, ISA_MIPS3;
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def DSLL32 : StdMMR6Rel, shift_rotate_imm<"dsll32", uimm5, GPR64Opnd,
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II_DSLL32>,
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SRA_FM<0x3c, 0>, ISA_MIPS3;
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def DSRL32 : StdMMR6Rel, shift_rotate_imm<"dsrl32", uimm5, GPR64Opnd,
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II_DSRL32>,
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SRA_FM<0x3e, 0>, ISA_MIPS3;
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def DSRA32 : StdMMR6Rel, shift_rotate_imm<"dsra32", uimm5, GPR64Opnd,
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II_DSRA32>,
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SRA_FM<0x3f, 0>, ISA_MIPS3;
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// Rotate Instructions
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def DROTR : StdMMR6Rel, shift_rotate_imm<"drotr", uimm6, GPR64Opnd, II_DROTR,
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rotr, immZExt6>,
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SRA_FM<0x3a, 1>, ISA_MIPS64R2;
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def DROTRV : StdMMR6Rel, shift_rotate_reg<"drotrv", GPR64Opnd, II_DROTRV,
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rotr>,
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SRLV_FM<0x16, 1>, ISA_MIPS64R2;
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def DROTR32 : StdMMR6Rel, shift_rotate_imm<"drotr32", uimm5, GPR64Opnd,
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II_DROTR32>,
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SRA_FM<0x3e, 1>, ISA_MIPS64R2;
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}
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/// Load and Store Instructions
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/// aligned
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let isCodeGenOnly = 1 in {
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def LB64 : Load<"lb", GPR64Opnd, sextloadi8, II_LB>, LW_FM<0x20>;
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def LBu64 : Load<"lbu", GPR64Opnd, zextloadi8, II_LBU>, LW_FM<0x24>;
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def LH64 : Load<"lh", GPR64Opnd, sextloadi16, II_LH>, LW_FM<0x21>;
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def LHu64 : Load<"lhu", GPR64Opnd, zextloadi16, II_LHU>, LW_FM<0x25>;
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def LW64 : Load<"lw", GPR64Opnd, sextloadi32, II_LW>, LW_FM<0x23>;
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def SB64 : Store<"sb", GPR64Opnd, truncstorei8, II_SB>, LW_FM<0x28>;
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def SH64 : Store<"sh", GPR64Opnd, truncstorei16, II_SH>, LW_FM<0x29>;
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def SW64 : Store<"sw", GPR64Opnd, truncstorei32, II_SW>, LW_FM<0x2b>;
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}
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let AdditionalPredicates = [NotInMicroMips] in {
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def LWu : StdMMR6Rel, MMRel, Load<"lwu", GPR64Opnd, zextloadi32, II_LWU>,
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LW_FM<0x27>, ISA_MIPS3;
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def LD : StdMMR6Rel, LoadMemory<"ld", GPR64Opnd, mem_simm16, load, II_LD>,
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LW_FM<0x37>, ISA_MIPS3;
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def SD : StdMMR6Rel, StoreMemory<"sd", GPR64Opnd, mem_simm16, store, II_SD>,
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LW_FM<0x3f>, ISA_MIPS3;
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}
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/// load/store left/right
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let isCodeGenOnly = 1 in {
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def LWL64 : LoadLeftRight<"lwl", MipsLWL, GPR64Opnd, II_LWL>, LW_FM<0x22>;
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def LWR64 : LoadLeftRight<"lwr", MipsLWR, GPR64Opnd, II_LWR>, LW_FM<0x26>;
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def SWL64 : StoreLeftRight<"swl", MipsSWL, GPR64Opnd, II_SWL>, LW_FM<0x2a>;
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def SWR64 : StoreLeftRight<"swr", MipsSWR, GPR64Opnd, II_SWR>, LW_FM<0x2e>;
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}
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def LDL : LoadLeftRight<"ldl", MipsLDL, GPR64Opnd, II_LDL>, LW_FM<0x1a>,
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ISA_MIPS3_NOT_32R6_64R6;
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def LDR : LoadLeftRight<"ldr", MipsLDR, GPR64Opnd, II_LDR>, LW_FM<0x1b>,
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ISA_MIPS3_NOT_32R6_64R6;
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def SDL : StoreLeftRight<"sdl", MipsSDL, GPR64Opnd, II_SDL>, LW_FM<0x2c>,
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ISA_MIPS3_NOT_32R6_64R6;
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def SDR : StoreLeftRight<"sdr", MipsSDR, GPR64Opnd, II_SDR>, LW_FM<0x2d>,
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ISA_MIPS3_NOT_32R6_64R6;
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/// Load-linked, Store-conditional
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let AdditionalPredicates = [NotInMicroMips] in {
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def LLD : StdMMR6Rel, LLBase<"lld", GPR64Opnd, mem_simm16>, LW_FM<0x34>,
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ISA_MIPS3_NOT_32R6_64R6;
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}
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def SCD : SCBase<"scd", GPR64Opnd>, LW_FM<0x3c>, ISA_MIPS3_NOT_32R6_64R6;
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let AdditionalPredicates = [NotInMicroMips],
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DecoderNamespace = "Mips32_64_PTR64" in {
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def LL64 : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, PTR_64,
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ISA_MIPS2_NOT_32R6_64R6;
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def SC64 : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, PTR_64,
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ISA_MIPS2_NOT_32R6_64R6;
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def JR64 : IndirectBranch<"jr", GPR64Opnd>, MTLO_FM<8>, PTR_64;
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}
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def JALR64 : JumpLinkReg<"jalr", GPR64Opnd>, JALR_FM;
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/// Jump and Branch Instructions
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let isCodeGenOnly = 1 in {
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def BEQ64 : CBranch<"beq", brtarget, seteq, GPR64Opnd>, BEQ_FM<4>;
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def BNE64 : CBranch<"bne", brtarget, setne, GPR64Opnd>, BEQ_FM<5>;
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def BGEZ64 : CBranchZero<"bgez", brtarget, setge, GPR64Opnd>, BGEZ_FM<1, 1>;
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def BGTZ64 : CBranchZero<"bgtz", brtarget, setgt, GPR64Opnd>, BGEZ_FM<7, 0>;
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def BLEZ64 : CBranchZero<"blez", brtarget, setle, GPR64Opnd>, BGEZ_FM<6, 0>;
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def BLTZ64 : CBranchZero<"bltz", brtarget, setlt, GPR64Opnd>, BGEZ_FM<1, 0>;
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def JALR64Pseudo : JumpLinkRegPseudo<GPR64Opnd, JALR, RA, GPR32Opnd>;
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}
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def TAILCALLREG64 : TailCallReg<GPR64Opnd>;
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def PseudoReturn64 : PseudoReturnBase<GPR64Opnd>;
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def PseudoIndirectBranch64 : PseudoIndirectBranchBase<GPR64Opnd>;
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/// Multiply and Divide Instructions.
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let AdditionalPredicates = [NotInMicroMips] in {
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def DMULT : Mult<"dmult", II_DMULT, GPR64Opnd, [HI0_64, LO0_64]>,
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MULT_FM<0, 0x1c>, ISA_MIPS3_NOT_32R6_64R6;
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def DMULTu : Mult<"dmultu", II_DMULTU, GPR64Opnd, [HI0_64, LO0_64]>,
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MULT_FM<0, 0x1d>, ISA_MIPS3_NOT_32R6_64R6;
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}
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def PseudoDMULT : MultDivPseudo<DMULT, ACC128, GPR64Opnd, MipsMult,
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II_DMULT>, ISA_MIPS3_NOT_32R6_64R6;
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def PseudoDMULTu : MultDivPseudo<DMULTu, ACC128, GPR64Opnd, MipsMultu,
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II_DMULTU>, ISA_MIPS3_NOT_32R6_64R6;
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let AdditionalPredicates = [NotInMicroMips] in {
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def DSDIV : Div<"ddiv", II_DDIV, GPR64Opnd, [HI0_64, LO0_64]>,
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MULT_FM<0, 0x1e>, ISA_MIPS3_NOT_32R6_64R6;
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def DUDIV : Div<"ddivu", II_DDIVU, GPR64Opnd, [HI0_64, LO0_64]>,
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MULT_FM<0, 0x1f>, ISA_MIPS3_NOT_32R6_64R6;
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}
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def PseudoDSDIV : MultDivPseudo<DSDIV, ACC128, GPR64Opnd, MipsDivRem,
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II_DDIV, 0, 1, 1>, ISA_MIPS3_NOT_32R6_64R6;
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def PseudoDUDIV : MultDivPseudo<DUDIV, ACC128, GPR64Opnd, MipsDivRemU,
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II_DDIVU, 0, 1, 1>, ISA_MIPS3_NOT_32R6_64R6;
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let isCodeGenOnly = 1 in {
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def MTHI64 : MoveToLOHI<"mthi", GPR64Opnd, [HI0_64]>, MTLO_FM<0x11>,
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ISA_MIPS3_NOT_32R6_64R6;
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def MTLO64 : MoveToLOHI<"mtlo", GPR64Opnd, [LO0_64]>, MTLO_FM<0x13>,
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ISA_MIPS3_NOT_32R6_64R6;
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def MFHI64 : MoveFromLOHI<"mfhi", GPR64Opnd, AC0_64>, MFLO_FM<0x10>,
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ISA_MIPS3_NOT_32R6_64R6;
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def MFLO64 : MoveFromLOHI<"mflo", GPR64Opnd, AC0_64>, MFLO_FM<0x12>,
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ISA_MIPS3_NOT_32R6_64R6;
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def PseudoMFHI64 : PseudoMFLOHI<GPR64, ACC128, MipsMFHI>,
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ISA_MIPS3_NOT_32R6_64R6;
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def PseudoMFLO64 : PseudoMFLOHI<GPR64, ACC128, MipsMFLO>,
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ISA_MIPS3_NOT_32R6_64R6;
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def PseudoMTLOHI64 : PseudoMTLOHI<ACC128, GPR64>, ISA_MIPS3_NOT_32R6_64R6;
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/// Sign Ext In Register Instructions.
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def SEB64 : SignExtInReg<"seb", i8, GPR64Opnd, II_SEB>, SEB_FM<0x10, 0x20>,
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ISA_MIPS32R2;
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def SEH64 : SignExtInReg<"seh", i16, GPR64Opnd, II_SEH>, SEB_FM<0x18, 0x20>,
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ISA_MIPS32R2;
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}
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/// Count Leading
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let AdditionalPredicates = [NotInMicroMips] in {
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def DCLZ : StdMMR6Rel, CountLeading0<"dclz", GPR64Opnd, II_DCLZ>,
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CLO_FM<0x24>, ISA_MIPS64_NOT_64R6;
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def DCLO : StdMMR6Rel, CountLeading1<"dclo", GPR64Opnd, II_DCLO>,
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CLO_FM<0x25>, ISA_MIPS64_NOT_64R6;
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/// Double Word Swap Bytes/HalfWords
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def DSBH : SubwordSwap<"dsbh", GPR64Opnd, II_DSBH>, SEB_FM<2, 0x24>,
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ISA_MIPS64R2;
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def DSHD : SubwordSwap<"dshd", GPR64Opnd, II_DSHD>, SEB_FM<5, 0x24>,
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ISA_MIPS64R2;
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}
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def LEA_ADDiu64 : EffectiveAddress<"daddiu", GPR64Opnd>, LW_FM<0x19>;
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let isCodeGenOnly = 1 in
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def RDHWR64 : ReadHardware<GPR64Opnd, HWRegsOpnd>, RDHWR_FM;
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let AdditionalPredicates = [NotInMicroMips] in {
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// The 'pos + size' constraints for code generation are enforced by the
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// code that lowers into MipsISD::Ext.
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// For assembly parsing, we alias dextu and dextm to dext, and match by
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// operand were possible then check the 'pos + size' in MipsAsmParser.
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// We override the generated decoder to enforce that dext always comes out
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// for dextm and dextu like binutils.
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let DecoderMethod = "DecodeDEXT" in {
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def DEXT : ExtBase<"dext", GPR64Opnd, uimm5_report_uimm6,
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uimm5_plus1_report_uimm6, immZExt5, immZExt5Plus1,
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MipsExt>, EXT_FM<3>, ISA_MIPS64R2;
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def DEXTM : ExtBase<"dextm", GPR64Opnd, uimm5, uimm5_plus33, immZExt5,
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immZExt5Plus33, MipsExt>, EXT_FM<1>, ISA_MIPS64R2;
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|
def DEXTU : ExtBase<"dextu", GPR64Opnd, uimm5_plus32, uimm5_plus1,
|
|
immZExt5Plus32, immZExt5Plus1, MipsExt>, EXT_FM<2>,
|
|
ISA_MIPS64R2;
|
|
}
|
|
// The 'pos + size' constraints for code generation are enforced by the
|
|
// code that lowers into MipsISD::Ins.
|
|
// For assembly parsing, we alias dinsu and dinsm to dins, and match by
|
|
// operand were possible then check the 'pos + size' in MipsAsmParser.
|
|
// We override the generated decoder to enforce that dins always comes out
|
|
// for dinsm and dinsu like binutils.
|
|
let DecoderMethod = "DecodeDINS" in {
|
|
def DINS : InsBase<"dins", GPR64Opnd, uimm6, uimm5_inssize_plus1,
|
|
immZExt5, immZExt5Plus1>, EXT_FM<7>,
|
|
ISA_MIPS64R2;
|
|
def DINSU : InsBase<"dinsu", GPR64Opnd, uimm5_plus32, uimm5_inssize_plus1,
|
|
immZExt5Plus32, immZExt5Plus1>,
|
|
EXT_FM<6>, ISA_MIPS64R2;
|
|
def DINSM : InsBase<"dinsm", GPR64Opnd, uimm5, uimm_range_2_64,
|
|
immZExt5, immZExtRange2To64>,
|
|
EXT_FM<5>, ISA_MIPS64R2;
|
|
}
|
|
}
|
|
|
|
let isCodeGenOnly = 1, AdditionalPredicates = [NotInMicroMips] in {
|
|
def DEXT64_32 : InstSE<(outs GPR64Opnd:$rt),
|
|
(ins GPR32Opnd:$rs, uimm5_report_uimm6:$pos,
|
|
uimm5_plus1:$size),
|
|
"dext $rt, $rs, $pos, $size", [], II_EXT, FrmR, "dext">,
|
|
EXT_FM<3>, ISA_MIPS64R2;
|
|
}
|
|
|
|
let isCodeGenOnly = 1, rs = 0, shamt = 0 in {
|
|
def DSLL64_32 : FR<0x00, 0x3c, (outs GPR64:$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:$baltgt), []>;
|
|
|
|
// Cavium Octeon cnMIPS instructions
|
|
let DecoderNamespace = "CnMips",
|
|
// FIXME: The lack of HasStdEnc is probably a bug
|
|
EncodingPredicates = []<Predicate> in {
|
|
|
|
class Count1s<string opstr, RegisterOperand RO>:
|
|
InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
|
|
[(set RO:$rd, (ctpop RO:$rs))], II_POP, FrmR, opstr> {
|
|
let TwoOperandAliasConstraint = "$rd = $rs";
|
|
}
|
|
|
|
class ExtsCins<string opstr, InstrItinClass itin, RegisterOperand RO,
|
|
PatFrag PosImm, SDPatternOperator Op = null_frag>:
|
|
InstSE<(outs RO:$rt), (ins RO:$rs, uimm5:$pos, uimm5:$lenm1),
|
|
!strconcat(opstr, "\t$rt, $rs, $pos, $lenm1"),
|
|
[(set RO:$rt, (Op RO:$rs, PosImm:$pos, imm:$lenm1))],
|
|
itin, FrmR, opstr> {
|
|
let TwoOperandAliasConstraint = "$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, (zext (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, (zext (cond_op GPR64Opnd:$rs,
|
|
immSExt10_64:$imm10)))],
|
|
II_SEQI_SNEI, FrmI, opstr> {
|
|
let TwoOperandAliasConstraint = "$rt = $rs";
|
|
}
|
|
|
|
class CBranchBitNum<string opstr, DAGOperand opnd, PatFrag cond_op,
|
|
RegisterOperand RO, Operand ImmOp, bits<64> shift = 1> :
|
|
InstSE<(outs), (ins RO:$rs, ImmOp:$p, opnd:$offset),
|
|
!strconcat(opstr, "\t$rs, $p, $offset"),
|
|
[(brcond (i32 (cond_op (and RO:$rs, (shl shift, immZExt5_64:$p)), 0)),
|
|
bb:$offset)], II_BBIT, FrmI, opstr> {
|
|
let isBranch = 1;
|
|
let isTerminator = 1;
|
|
let hasDelaySlot = 1;
|
|
let Defs = [AT];
|
|
}
|
|
|
|
class MFC2OP<string asmstr, RegisterOperand RO, InstrItinClass itin> :
|
|
InstSE<(outs RO:$rt, uimm16:$imm16), (ins),
|
|
!strconcat(asmstr, "\t$rt, $imm16"), [], itin, FrmFR>;
|
|
|
|
// Unsigned Byte Add
|
|
def BADDu : ArithLogicR<"baddu", GPR64Opnd, 1, II_BADDU>,
|
|
ADD_FM<0x1c, 0x28>, ASE_CNMIPS {
|
|
let Pattern = [(set GPR64Opnd:$rd,
|
|
(and (add GPR64Opnd:$rs, GPR64Opnd:$rt), 255))];
|
|
}
|
|
|
|
// Branch on Bit Clear /+32
|
|
def BBIT0 : CBranchBitNum<"bbit0", brtarget, seteq, GPR64Opnd,
|
|
uimm5_64_report_uimm6>, BBIT_FM<0x32>, ASE_CNMIPS;
|
|
def BBIT032: CBranchBitNum<"bbit032", brtarget, seteq, GPR64Opnd, uimm5_64,
|
|
0x100000000>, BBIT_FM<0x36>, ASE_CNMIPS;
|
|
|
|
// Branch on Bit Set /+32
|
|
def BBIT1 : CBranchBitNum<"bbit1", brtarget, setne, GPR64Opnd,
|
|
uimm5_64_report_uimm6>, BBIT_FM<0x3a>, ASE_CNMIPS;
|
|
def BBIT132: CBranchBitNum<"bbit132", brtarget, setne, GPR64Opnd, uimm5_64,
|
|
0x100000000>, BBIT_FM<0x3e>, ASE_CNMIPS;
|
|
|
|
// Multiply Doubleword to GPR
|
|
def DMUL : ArithLogicR<"dmul", GPR64Opnd, 1, II_DMUL, mul>,
|
|
ADD_FM<0x1c, 0x03>, ASE_CNMIPS {
|
|
let Defs = [HI0, LO0, P0, P1, P2];
|
|
}
|
|
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
// Extract a signed bit field /+32
|
|
def EXTS : ExtsCins<"exts", II_EXT, GPR64Opnd, immZExt5>, EXTS_FM<0x3a>,
|
|
ASE_MIPS64_CNMIPS;
|
|
def EXTS32: ExtsCins<"exts32", II_EXT, GPR64Opnd, immZExt5Plus32>,
|
|
EXTS_FM<0x3b>, ASE_MIPS64_CNMIPS;
|
|
|
|
// Clear and insert a bit field /+32
|
|
def CINS : ExtsCins<"cins", II_INS, GPR64Opnd, immZExt5, MipsCIns>,
|
|
EXTS_FM<0x32>, ASE_MIPS64_CNMIPS;
|
|
def CINS32: ExtsCins<"cins32", II_INS, GPR64Opnd, immZExt5Plus32, MipsCIns>,
|
|
EXTS_FM<0x33>, ASE_MIPS64_CNMIPS;
|
|
let isCodeGenOnly = 1 in {
|
|
def CINS_i32 : ExtsCins<"cins", II_INS, GPR32Opnd, immZExt5, MipsCIns>,
|
|
EXTS_FM<0x32>, ASE_MIPS64_CNMIPS;
|
|
def CINS64_32 :InstSE<(outs GPR64Opnd:$rt),
|
|
(ins GPR32Opnd:$rs, uimm5:$pos, uimm5:$lenm1),
|
|
"cins\t$rt, $rs, $pos, $lenm1", [], II_INS, FrmR,
|
|
"cins">,
|
|
EXTS_FM<0x32>, ASE_MIPS64_CNMIPS;
|
|
}
|
|
}
|
|
|
|
// Move to multiplier/product register
|
|
def MTM0 : MoveToLOHI<"mtm0", GPR64Opnd, [MPL0, P0, P1, P2]>, MTMR_FM<0x08>,
|
|
ASE_CNMIPS;
|
|
def MTM1 : MoveToLOHI<"mtm1", GPR64Opnd, [MPL1, P0, P1, P2]>, MTMR_FM<0x0c>,
|
|
ASE_CNMIPS;
|
|
def MTM2 : MoveToLOHI<"mtm2", GPR64Opnd, [MPL2, P0, P1, P2]>, MTMR_FM<0x0d>,
|
|
ASE_CNMIPS;
|
|
def MTP0 : MoveToLOHI<"mtp0", GPR64Opnd, [P0]>, MTMR_FM<0x09>, ASE_CNMIPS;
|
|
def MTP1 : MoveToLOHI<"mtp1", GPR64Opnd, [P1]>, MTMR_FM<0x0a>, ASE_CNMIPS;
|
|
def MTP2 : MoveToLOHI<"mtp2", GPR64Opnd, [P2]>, MTMR_FM<0x0b>, ASE_CNMIPS;
|
|
|
|
// Count Ones in a Word/Doubleword
|
|
def POP : Count1s<"pop", GPR32Opnd>, POP_FM<0x2c>, ASE_CNMIPS;
|
|
def DPOP : Count1s<"dpop", GPR64Opnd>, POP_FM<0x2d>, ASE_CNMIPS;
|
|
|
|
// Set on equal/not equal
|
|
def SEQ : SetCC64_R<"seq", seteq>, SEQ_FM<0x2a>, ASE_CNMIPS;
|
|
def SEQi : SetCC64_I<"seqi", seteq>, SEQI_FM<0x2e>, ASE_CNMIPS;
|
|
def SNE : SetCC64_R<"sne", setne>, SEQ_FM<0x2b>, ASE_CNMIPS;
|
|
def SNEi : SetCC64_I<"snei", setne>, SEQI_FM<0x2f>, ASE_CNMIPS;
|
|
|
|
// 192-bit x 64-bit Unsigned Multiply and Add
|
|
def V3MULU: ArithLogicR<"v3mulu", GPR64Opnd, 0, II_DMUL>, ADD_FM<0x1c, 0x11>,
|
|
ASE_CNMIPS {
|
|
let Defs = [P0, P1, P2];
|
|
}
|
|
|
|
// 64-bit Unsigned Multiply and Add Move
|
|
def VMM0 : ArithLogicR<"vmm0", GPR64Opnd, 0, II_DMUL>, ADD_FM<0x1c, 0x10>,
|
|
ASE_CNMIPS {
|
|
let Defs = [MPL0, P0, P1, P2];
|
|
}
|
|
|
|
// 64-bit Unsigned Multiply and Add
|
|
def VMULU : ArithLogicR<"vmulu", GPR64Opnd, 0, II_DMUL>, ADD_FM<0x1c, 0x0f>,
|
|
ASE_CNMIPS {
|
|
let Defs = [MPL1, MPL2, P0, P1, P2];
|
|
}
|
|
|
|
// Move between CPU and coprocessor registers
|
|
def DMFC2_OCTEON : MFC2OP<"dmfc2", GPR64Opnd, II_DMFC2>, MFC2OP_FM<0x12, 1>,
|
|
ASE_CNMIPS;
|
|
def DMTC2_OCTEON : MFC2OP<"dmtc2", GPR64Opnd, II_DMTC2>, MFC2OP_FM<0x12, 5>,
|
|
ASE_CNMIPS;
|
|
}
|
|
|
|
}
|
|
|
|
/// Move between CPU and coprocessor registers
|
|
let DecoderNamespace = "Mips64", Predicates = [HasMips64] in {
|
|
def DMFC0 : MFC3OP<"dmfc0", GPR64Opnd, COP0Opnd, II_DMFC0>, MFC3OP_FM<0x10, 1>,
|
|
ISA_MIPS3;
|
|
def DMTC0 : MTC3OP<"dmtc0", COP0Opnd, GPR64Opnd, II_DMTC0>, MFC3OP_FM<0x10, 5>,
|
|
ISA_MIPS3;
|
|
def DMFC2 : MFC3OP<"dmfc2", GPR64Opnd, COP2Opnd, II_DMFC2>, MFC3OP_FM<0x12, 1>,
|
|
ISA_MIPS3;
|
|
def DMTC2 : MTC3OP<"dmtc2", COP2Opnd, GPR64Opnd, II_DMTC2>, MFC3OP_FM<0x12, 5>,
|
|
ISA_MIPS3;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Arbitrary patterns that map to one or more instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Materialize i64 constants.
|
|
defm : MaterializeImms<i64, ZERO_64, DADDiu, LUi64, ORi64>;
|
|
|
|
def : MipsPat<(i64 immZExt32Low16Zero:$imm),
|
|
(DSLL (ORi64 ZERO_64, (HI16 imm:$imm)), 16)>;
|
|
|
|
def : MipsPat<(i64 immZExt32:$imm),
|
|
(ORi64 (DSLL (ORi64 ZERO_64, (HI16 imm:$imm)), 16),
|
|
(LO16 imm:$imm))>;
|
|
|
|
// 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
|
|
let AdditionalPredicates = [NotInMicroMips] in
|
|
defm : MipsHiLoRelocs<LUi64, DADDiu, ZERO_64, GPR64Opnd>, SYM_32;
|
|
|
|
def : MipsPat<(MipsGotHi tglobaladdr:$in), (LUi64 tglobaladdr:$in)>;
|
|
def : MipsPat<(MipsGotHi texternalsym:$in), (LUi64 texternalsym:$in)>;
|
|
|
|
multiclass MipsHighestHigherHiLoRelocs<Instruction Lui, Instruction Daddiu> {
|
|
def : MipsPat<(MipsJmpLink (i64 texternalsym:$dst)),
|
|
(JAL texternalsym:$dst)>;
|
|
def : MipsPat<(MipsHighest (i64 tglobaladdr:$in)),
|
|
(Lui tglobaladdr:$in)>;
|
|
def : MipsPat<(MipsHighest (i64 tblockaddress:$in)),
|
|
(Lui tblockaddress:$in)>;
|
|
def : MipsPat<(MipsHighest (i64 tjumptable:$in)),
|
|
(Lui tjumptable:$in)>;
|
|
def : MipsPat<(MipsHighest (i64 tconstpool:$in)),
|
|
(Lui tconstpool:$in)>;
|
|
def : MipsPat<(MipsHighest (i64 tglobaltlsaddr:$in)),
|
|
(Lui tglobaltlsaddr:$in)>;
|
|
def : MipsPat<(MipsHighest (i64 texternalsym:$in)),
|
|
(Lui texternalsym:$in)>;
|
|
|
|
def : MipsPat<(MipsHigher (i64 tglobaladdr:$in)),
|
|
(Daddiu ZERO_64, tglobaladdr:$in)>;
|
|
def : MipsPat<(MipsHigher (i64 tblockaddress:$in)),
|
|
(Daddiu ZERO_64, tblockaddress:$in)>;
|
|
def : MipsPat<(MipsHigher (i64 tjumptable:$in)),
|
|
(Daddiu ZERO_64, tjumptable:$in)>;
|
|
def : MipsPat<(MipsHigher (i64 tconstpool:$in)),
|
|
(Daddiu ZERO_64, tconstpool:$in)>;
|
|
def : MipsPat<(MipsHigher (i64 tglobaltlsaddr:$in)),
|
|
(Daddiu ZERO_64, tglobaltlsaddr:$in)>;
|
|
def : MipsPat<(MipsHigher (i64 texternalsym:$in)),
|
|
(Daddiu ZERO_64, texternalsym:$in)>;
|
|
|
|
def : MipsPat<(add GPR64:$hi, (MipsHigher (i64 tglobaladdr:$lo))),
|
|
(Daddiu GPR64:$hi, tglobaladdr:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsHigher (i64 tblockaddress:$lo))),
|
|
(Daddiu GPR64:$hi, tblockaddress:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsHigher (i64 tjumptable:$lo))),
|
|
(Daddiu GPR64:$hi, tjumptable:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsHigher (i64 tconstpool:$lo))),
|
|
(Daddiu GPR64:$hi, tconstpool:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsHigher (i64 tglobaltlsaddr:$lo))),
|
|
(Daddiu GPR64:$hi, tglobaltlsaddr:$lo)>;
|
|
|
|
def : MipsPat<(add GPR64:$hi, (MipsHi (i64 tglobaladdr:$lo))),
|
|
(Daddiu GPR64:$hi, tglobaladdr:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsHi (i64 tblockaddress:$lo))),
|
|
(Daddiu GPR64:$hi, tblockaddress:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsHi (i64 tjumptable:$lo))),
|
|
(Daddiu GPR64:$hi, tjumptable:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsHi (i64 tconstpool:$lo))),
|
|
(Daddiu GPR64:$hi, tconstpool:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsHi (i64 tglobaltlsaddr:$lo))),
|
|
(Daddiu GPR64:$hi, tglobaltlsaddr:$lo)>;
|
|
|
|
def : MipsPat<(add GPR64:$hi, (MipsLo (i64 tglobaladdr:$lo))),
|
|
(Daddiu GPR64:$hi, tglobaladdr:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsLo (i64 tblockaddress:$lo))),
|
|
(Daddiu GPR64:$hi, tblockaddress:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsLo (i64 tjumptable:$lo))),
|
|
(Daddiu GPR64:$hi, tjumptable:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsLo (i64 tconstpool:$lo))),
|
|
(Daddiu GPR64:$hi, tconstpool:$lo)>;
|
|
def : MipsPat<(add GPR64:$hi, (MipsLo (i64 tglobaltlsaddr:$lo))),
|
|
(Daddiu GPR64:$hi, tglobaltlsaddr:$lo)>;
|
|
|
|
}
|
|
|
|
// highest/higher/hi/lo relocs
|
|
let AdditionalPredicates = [NotInMicroMips] in
|
|
defm : MipsHighestHigherHiLoRelocs<LUi64, DADDiu>, SYM_64;
|
|
|
|
// gp_rel relocs
|
|
def : MipsPat<(add GPR64:$gp, (MipsGPRel tglobaladdr:$in)),
|
|
(DADDiu GPR64:$gp, tglobaladdr:$in)>, ABI_N64;
|
|
def : MipsPat<(add GPR64:$gp, (MipsGPRel tconstpool:$in)),
|
|
(DADDiu GPR64:$gp, tconstpool:$in)>, ABI_N64;
|
|
|
|
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, BEQ, 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
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
defm : SeteqPats<GPR64, SLTiu64, XOR64, SLTu64, ZERO_64>;
|
|
defm : SetlePats<GPR64, XORi, SLT64, SLTu64>;
|
|
defm : SetgtPats<GPR64, SLT64, SLTu64>;
|
|
defm : SetgePats<GPR64, XORi, SLT64, SLTu64>;
|
|
defm : SetgeImmPats<GPR64, XORi, SLTi64, SLTiu64>;
|
|
}
|
|
// truncate
|
|
def : MipsPat<(trunc (assertsext GPR64:$src)),
|
|
(EXTRACT_SUBREG GPR64:$src, sub_32)>;
|
|
// The forward compatibility strategy employed by MIPS requires us to treat
|
|
// values as being sign extended to an infinite number of bits. This allows
|
|
// existing software to run without modification on any future MIPS
|
|
// implementation (e.g. 128-bit, or 1024-bit). Being compatible with this
|
|
// strategy requires that truncation acts as a sign-extension for values being
|
|
// fed into instructions operating on 32-bit values. Such instructions have
|
|
// undefined results if this is not true.
|
|
// For our case, this means that we can't issue an extract_subreg for nodes
|
|
// such as (trunc:i32 (assertzext:i64 X, i32)), because the sign-bit of the
|
|
// lower subreg would not be replicated into the upper half.
|
|
def : MipsPat<(trunc (assertzext_lt_i32 GPR64:$src)),
|
|
(EXTRACT_SUBREG GPR64:$src, sub_32)>;
|
|
def : MipsPat<(i32 (trunc GPR64:$src)),
|
|
(SLL (EXTRACT_SUBREG GPR64:$src, sub_32), 0)>;
|
|
|
|
// variable shift instructions patterns
|
|
def : MipsPat<(shl GPR64:$rt, (i32 (trunc GPR64:$rs))),
|
|
(DSLLV GPR64:$rt, (EXTRACT_SUBREG GPR64:$rs, sub_32))>;
|
|
def : MipsPat<(srl GPR64:$rt, (i32 (trunc GPR64:$rs))),
|
|
(DSRLV GPR64:$rt, (EXTRACT_SUBREG GPR64:$rs, sub_32))>;
|
|
def : MipsPat<(sra GPR64:$rt, (i32 (trunc GPR64:$rs))),
|
|
(DSRAV GPR64:$rt, (EXTRACT_SUBREG GPR64:$rs, sub_32))>;
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def : MipsPat<(rotr GPR64:$rt, (i32 (trunc GPR64:$rs))),
|
|
(DROTRV GPR64:$rt, (EXTRACT_SUBREG GPR64:$rs, sub_32))>;
|
|
}
|
|
|
|
// 32-to-64-bit extension
|
|
def : MipsPat<(i64 (anyext GPR32:$src)),
|
|
(INSERT_SUBREG (i64 (IMPLICIT_DEF)), GPR32:$src, sub_32)>;
|
|
def : MipsPat<(i64 (zext GPR32:$src)), (DSRL (DSLL64_32 GPR32:$src), 32)>;
|
|
def : MipsPat<(i64 (sext GPR32:$src)), (SLL64_32 GPR32:$src)>;
|
|
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def : MipsPat<(i64 (zext GPR32:$src)), (DEXT64_32 GPR32:$src, 0, 32)>,
|
|
ISA_MIPS64R2;
|
|
def : MipsPat<(i64 (zext (i32 (shl GPR32:$rt, immZExt5:$imm)))),
|
|
(CINS64_32 GPR32:$rt, imm:$imm, (immZExt5To31 imm:$imm))>,
|
|
ASE_MIPS64_CNMIPS;
|
|
}
|
|
|
|
// Sign extend in register
|
|
def : MipsPat<(i64 (sext_inreg GPR64:$src, i32)),
|
|
(SLL64_64 GPR64:$src)>;
|
|
|
|
// bswap MipsPattern
|
|
def : MipsPat<(bswap GPR64:$rt), (DSHD (DSBH GPR64:$rt))>;
|
|
|
|
// Carry pattern
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def : MipsPat<(subc GPR64:$lhs, GPR64:$rhs),
|
|
(DSUBu GPR64:$lhs, GPR64:$rhs)>;
|
|
def : MipsPat<(addc GPR64:$lhs, GPR64:$rhs),
|
|
(DADDu GPR64:$lhs, GPR64:$rhs)>, ASE_NOT_DSP;
|
|
def : MipsPat<(addc GPR64:$lhs, immSExt16:$imm),
|
|
(DADDiu GPR64:$lhs, imm:$imm)>, ASE_NOT_DSP;
|
|
}
|
|
|
|
// Octeon bbit0/bbit1 MipsPattern
|
|
def : MipsPat<(brcond (i32 (seteq (and i64:$lhs, PowerOf2LO:$mask), 0)), bb:$dst),
|
|
(BBIT0 i64:$lhs, (Log2LO PowerOf2LO:$mask), bb:$dst)>, ASE_MIPS64_CNMIPS;
|
|
def : MipsPat<(brcond (i32 (seteq (and i64:$lhs, PowerOf2HI:$mask), 0)), bb:$dst),
|
|
(BBIT032 i64:$lhs, (Log2HI PowerOf2HI:$mask), bb:$dst)>, ASE_MIPS64_CNMIPS;
|
|
def : MipsPat<(brcond (i32 (setne (and i64:$lhs, PowerOf2LO:$mask), 0)), bb:$dst),
|
|
(BBIT1 i64:$lhs, (Log2LO PowerOf2LO:$mask), bb:$dst)>, ASE_MIPS64_CNMIPS;
|
|
def : MipsPat<(brcond (i32 (setne (and i64:$lhs, PowerOf2HI:$mask), 0)), bb:$dst),
|
|
(BBIT132 i64:$lhs, (Log2HI PowerOf2HI:$mask), bb:$dst)>, ASE_MIPS64_CNMIPS;
|
|
def : MipsPat<(brcond (i32 (seteq (and i32:$lhs, PowerOf2LO_i32:$mask), 0)), bb:$dst),
|
|
(BBIT0 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), i32:$lhs, sub_32),
|
|
(Log2LO PowerOf2LO_i32:$mask), bb:$dst)>, ASE_MIPS64_CNMIPS;
|
|
def : MipsPat<(brcond (i32 (setne (and i32:$lhs, PowerOf2LO_i32:$mask), 0)), bb:$dst),
|
|
(BBIT1 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), i32:$lhs, sub_32),
|
|
(Log2LO PowerOf2LO_i32:$mask), bb:$dst)>, ASE_MIPS64_CNMIPS;
|
|
|
|
// Atomic load patterns.
|
|
def : MipsPat<(atomic_load_8 addr:$a), (LB64 addr:$a)>;
|
|
def : MipsPat<(atomic_load_16 addr:$a), (LH64 addr:$a)>;
|
|
def : MipsPat<(atomic_load_32 addr:$a), (LW64 addr:$a)>;
|
|
def : MipsPat<(atomic_load_64 addr:$a), (LD addr:$a)>;
|
|
|
|
// Atomic store patterns.
|
|
def : MipsPat<(atomic_store_8 addr:$a, GPR64:$v), (SB64 GPR64:$v, addr:$a)>;
|
|
def : MipsPat<(atomic_store_16 addr:$a, GPR64:$v), (SH64 GPR64:$v, addr:$a)>;
|
|
def : MipsPat<(atomic_store_32 addr:$a, GPR64:$v), (SW64 GPR64:$v, addr:$a)>;
|
|
def : MipsPat<(atomic_store_64 addr:$a, GPR64:$v), (SD GPR64:$v, addr:$a)>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Instruction aliases
|
|
//===----------------------------------------------------------------------===//
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def : MipsInstAlias<"move $dst, $src",
|
|
(OR64 GPR64Opnd:$dst, GPR64Opnd:$src, ZERO_64), 1>,
|
|
GPR_64;
|
|
def : MipsInstAlias<"move $dst, $src",
|
|
(DADDu GPR64Opnd:$dst, GPR64Opnd:$src, ZERO_64), 1>,
|
|
GPR_64;
|
|
def : MipsInstAlias<"dadd $rs, $rt, $imm",
|
|
(DADDi GPR64Opnd:$rs, GPR64Opnd:$rt, simm16_64:$imm),
|
|
0>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def : MipsInstAlias<"dadd $rs, $imm",
|
|
(DADDi GPR64Opnd:$rs, GPR64Opnd:$rs, simm16_64:$imm),
|
|
0>, ISA_MIPS3_NOT_32R6_64R6;
|
|
def : MipsInstAlias<"daddu $rs, $rt, $imm",
|
|
(DADDiu GPR64Opnd:$rs, GPR64Opnd:$rt, simm16_64:$imm),
|
|
0>, ISA_MIPS3;
|
|
def : MipsInstAlias<"daddu $rs, $imm",
|
|
(DADDiu GPR64Opnd:$rs, GPR64Opnd:$rs, simm16_64:$imm),
|
|
0>, ISA_MIPS3;
|
|
|
|
defm : OneOrTwoOperandMacroImmediateAlias<"and", ANDi64, GPR64Opnd, imm64>,
|
|
GPR_64;
|
|
|
|
defm : OneOrTwoOperandMacroImmediateAlias<"or", ORi64, GPR64Opnd, imm64>,
|
|
GPR_64;
|
|
|
|
defm : OneOrTwoOperandMacroImmediateAlias<"xor", XORi64, GPR64Opnd, imm64>,
|
|
GPR_64;
|
|
}
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def : MipsInstAlias<"dneg $rt, $rs",
|
|
(DSUB GPR64Opnd:$rt, ZERO_64, GPR64Opnd:$rs), 1>,
|
|
ISA_MIPS3;
|
|
def : MipsInstAlias<"dneg $rt",
|
|
(DSUB GPR64Opnd:$rt, ZERO_64, GPR64Opnd:$rt), 1>,
|
|
ISA_MIPS3;
|
|
def : MipsInstAlias<"dnegu $rt, $rs",
|
|
(DSUBu GPR64Opnd:$rt, ZERO_64, GPR64Opnd:$rs), 1>,
|
|
ISA_MIPS3;
|
|
def : MipsInstAlias<"dnegu $rt",
|
|
(DSUBu GPR64Opnd:$rt, ZERO_64, GPR64Opnd:$rt), 1>,
|
|
ISA_MIPS3;
|
|
}
|
|
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;
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def : MipsInstAlias<"dsubu $rt, $rs, $imm",
|
|
(DADDiu GPR64Opnd:$rt, GPR64Opnd:$rs,
|
|
InvertedImOperand64:$imm), 0>, ISA_MIPS3;
|
|
def : MipsInstAlias<"dsubu $rs, $imm",
|
|
(DADDiu GPR64Opnd:$rs, GPR64Opnd:$rs,
|
|
InvertedImOperand64:$imm), 0>, ISA_MIPS3;
|
|
}
|
|
def : MipsInstAlias<"dsra $rd, $rt, $rs",
|
|
(DSRAV GPR64Opnd:$rd, GPR64Opnd:$rt, GPR32Opnd:$rs), 0>,
|
|
ISA_MIPS3;
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def : MipsInstAlias<"dsll $rd, $rt, $rs",
|
|
(DSLLV GPR64Opnd:$rd, GPR64Opnd:$rt, GPR32Opnd:$rs), 0>,
|
|
ISA_MIPS3;
|
|
def : MipsInstAlias<"dsrl $rd, $rt, $rs",
|
|
(DSRLV GPR64Opnd:$rd, GPR64Opnd:$rt, GPR32Opnd:$rs), 0>,
|
|
ISA_MIPS3;
|
|
def : MipsInstAlias<"dsrl $rd, $rt",
|
|
(DSRLV GPR64Opnd:$rd, GPR64Opnd:$rd, GPR32Opnd:$rt), 0>,
|
|
ISA_MIPS3;
|
|
def : MipsInstAlias<"dsll $rd, $rt",
|
|
(DSLLV GPR64Opnd:$rd, GPR64Opnd:$rd, GPR32Opnd:$rt), 0>,
|
|
ISA_MIPS3;
|
|
def : MipsInstAlias<"dins $rt, $rs, $pos, $size",
|
|
(DINSM GPR64Opnd:$rt, GPR64Opnd:$rs, uimm5:$pos,
|
|
uimm_range_2_64:$size), 0>, ISA_MIPS64R2;
|
|
def : MipsInstAlias<"dins $rt, $rs, $pos, $size",
|
|
(DINSU GPR64Opnd:$rt, GPR64Opnd:$rs, uimm5_plus32:$pos,
|
|
uimm5_plus1:$size), 0>, ISA_MIPS64R2;
|
|
def : MipsInstAlias<"dext $rt, $rs, $pos, $size",
|
|
(DEXTM GPR64Opnd:$rt, GPR64Opnd:$rs, uimm5:$pos,
|
|
uimm5_plus33:$size), 0>, ISA_MIPS64R2;
|
|
def : MipsInstAlias<"dext $rt, $rs, $pos, $size",
|
|
(DEXTU GPR64Opnd:$rt, GPR64Opnd:$rs, uimm5_plus32:$pos,
|
|
uimm5_plus1:$size), 0>, ISA_MIPS64R2;
|
|
|
|
// Two operand (implicit 0 selector) versions:
|
|
def : MipsInstAlias<"dmtc0 $rt, $rd",
|
|
(DMTC0 COP0Opnd:$rd, GPR64Opnd:$rt, 0), 0>;
|
|
def : MipsInstAlias<"dmfc0 $rt, $rd",
|
|
(DMFC0 GPR64Opnd:$rt, COP0Opnd:$rd, 0), 0>;
|
|
}
|
|
def : MipsInstAlias<"dmfc2 $rt, $rd", (DMFC2 GPR64Opnd:$rt, COP2Opnd:$rd, 0), 0>;
|
|
def : MipsInstAlias<"dmtc2 $rt, $rd", (DMTC2 COP2Opnd:$rd, GPR64Opnd:$rt, 0), 0>;
|
|
|
|
def : MipsInstAlias<"synciobdma", (SYNC 0x2), 0>, ASE_MIPS64_CNMIPS;
|
|
def : MipsInstAlias<"syncs", (SYNC 0x6), 0>, ASE_MIPS64_CNMIPS;
|
|
def : MipsInstAlias<"syncw", (SYNC 0x4), 0>, ASE_MIPS64_CNMIPS;
|
|
def : MipsInstAlias<"syncws", (SYNC 0x5), 0>, ASE_MIPS64_CNMIPS;
|
|
|
|
// cnMIPS Aliases.
|
|
|
|
// bbit* with $p 32-63 converted to bbit*32 with $p 0-31
|
|
def : MipsInstAlias<"bbit0 $rs, $p, $offset",
|
|
(BBIT032 GPR64Opnd:$rs, uimm5_plus32_normalize_64:$p,
|
|
brtarget:$offset), 0>,
|
|
ASE_CNMIPS;
|
|
def : MipsInstAlias<"bbit1 $rs, $p, $offset",
|
|
(BBIT132 GPR64Opnd:$rs, uimm5_plus32_normalize_64:$p,
|
|
brtarget:$offset), 0>,
|
|
ASE_CNMIPS;
|
|
|
|
// exts with $pos 32-63 in converted to exts32 with $pos 0-31
|
|
def : MipsInstAlias<"exts $rt, $rs, $pos, $lenm1",
|
|
(EXTS32 GPR64Opnd:$rt, GPR64Opnd:$rs,
|
|
uimm5_plus32_normalize:$pos, uimm5:$lenm1), 0>,
|
|
ASE_MIPS64_CNMIPS;
|
|
def : MipsInstAlias<"exts $rt, $pos, $lenm1",
|
|
(EXTS32 GPR64Opnd:$rt, GPR64Opnd:$rt,
|
|
uimm5_plus32_normalize:$pos, uimm5:$lenm1), 0>,
|
|
ASE_MIPS64_CNMIPS;
|
|
|
|
// cins with $pos 32-63 in converted to cins32 with $pos 0-31
|
|
def : MipsInstAlias<"cins $rt, $rs, $pos, $lenm1",
|
|
(CINS32 GPR64Opnd:$rt, GPR64Opnd:$rs,
|
|
uimm5_plus32_normalize:$pos, uimm5:$lenm1), 0>,
|
|
ASE_MIPS64_CNMIPS;
|
|
def : MipsInstAlias<"cins $rt, $pos, $lenm1",
|
|
(CINS32 GPR64Opnd:$rt, GPR64Opnd:$rt,
|
|
uimm5_plus32_normalize:$pos, uimm5:$lenm1), 0>,
|
|
ASE_MIPS64_CNMIPS;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Assembler Pseudo Instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
class LoadImmediate64<string instr_asm, Operand Od, RegisterOperand RO> :
|
|
MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm64),
|
|
!strconcat(instr_asm, "\t$rt, $imm64")> ;
|
|
def LoadImm64 : LoadImmediate64<"dli", imm64, GPR64Opnd>;
|
|
|
|
def LoadAddrReg64 : MipsAsmPseudoInst<(outs GPR64Opnd:$rt), (ins mem:$addr),
|
|
"dla\t$rt, $addr">;
|
|
def LoadAddrImm64 : MipsAsmPseudoInst<(outs GPR64Opnd:$rt), (ins imm64:$imm64),
|
|
"dla\t$rt, $imm64">;
|
|
|
|
def DMULImmMacro : MipsAsmPseudoInst<(outs), (ins GPR64Opnd:$rs, GPR64Opnd:$rt,
|
|
simm32_relaxed:$imm),
|
|
"dmul\t$rs, $rt, $imm">,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def DMULOMacro : MipsAsmPseudoInst<(outs), (ins GPR64Opnd:$rs, GPR64Opnd:$rt,
|
|
GPR64Opnd:$rd),
|
|
"dmulo\t$rs, $rt, $rd">,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def DMULOUMacro : MipsAsmPseudoInst<(outs), (ins GPR64Opnd:$rs, GPR64Opnd:$rt,
|
|
GPR64Opnd:$rd),
|
|
"dmulou\t$rs, $rt, $rd">,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
|
|
def DMULMacro : MipsAsmPseudoInst<(outs), (ins GPR64Opnd:$rs, GPR64Opnd:$rt,
|
|
GPR64Opnd:$rd),
|
|
"dmul\t$rs, $rt, $rd"> {
|
|
let InsnPredicates = [HasMips3, NotMips64r6, NotCnMips];
|
|
}
|
|
|
|
let AdditionalPredicates = [NotInMicroMips] in {
|
|
def DSDivMacro : MipsAsmPseudoInst<(outs GPR64Opnd:$rd),
|
|
(ins GPR64Opnd:$rs, GPR64Opnd:$rt),
|
|
"ddiv\t$rd, $rs, $rt">,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def DSDivIMacro : MipsAsmPseudoInst<(outs GPR64Opnd:$rd),
|
|
(ins GPR64Opnd:$rs, imm64:$imm),
|
|
"ddiv\t$rd, $rs, $imm">,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def DUDivMacro : MipsAsmPseudoInst<(outs GPR64Opnd:$rd),
|
|
(ins GPR64Opnd:$rs, GPR64Opnd:$rt),
|
|
"ddivu\t$rd, $rs, $rt">,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def DUDivIMacro : MipsAsmPseudoInst<(outs GPR64Opnd:$rd),
|
|
(ins GPR64Opnd:$rs, imm64:$imm),
|
|
"ddivu\t$rd, $rs, $imm">,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
|
|
// GAS expands 'div' and 'ddiv' differently when the destination
|
|
// register is $zero and the instruction is in the two operand
|
|
// form. 'ddiv' gets expanded, while 'div' is not expanded.
|
|
|
|
def : MipsInstAlias<"ddiv $rs, $rt", (DSDivMacro GPR64Opnd:$rs,
|
|
GPR64Opnd:$rs,
|
|
GPR64Opnd:$rt), 0>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def : MipsInstAlias<"ddiv $rd, $imm", (DSDivIMacro GPR64Opnd:$rd,
|
|
GPR64Opnd:$rd,
|
|
imm64:$imm), 0>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
|
|
// GAS expands 'divu' and 'ddivu' differently when the destination
|
|
// register is $zero and the instruction is in the two operand
|
|
// form. 'ddivu' gets expanded, while 'divu' is not expanded.
|
|
|
|
def : MipsInstAlias<"ddivu $rt, $rs", (DUDivMacro GPR64Opnd:$rt,
|
|
GPR64Opnd:$rt,
|
|
GPR64Opnd:$rs), 0>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
def : MipsInstAlias<"ddivu $rd, $imm", (DUDivIMacro GPR64Opnd:$rd,
|
|
GPR64Opnd:$rd,
|
|
imm64:$imm), 0>,
|
|
ISA_MIPS3_NOT_32R6_64R6;
|
|
}
|
|
|
|
def NORImm64 : NORIMM_DESC_BASE<GPR64Opnd, imm64>, GPR_64;
|
|
def : MipsInstAlias<"nor\t$rs, $imm", (NORImm64 GPR64Opnd:$rs, GPR64Opnd:$rs,
|
|
imm64:$imm)>, GPR_64;
|
|
def SLTImm64 : MipsAsmPseudoInst<(outs GPR64Opnd:$rs),
|
|
(ins GPR64Opnd:$rt, imm64:$imm),
|
|
"slt\t$rs, $rt, $imm">, GPR_64;
|
|
def : MipsInstAlias<"slt\t$rs, $imm", (SLTImm64 GPR64Opnd:$rs, GPR64Opnd:$rs,
|
|
imm64:$imm)>, GPR_64;
|
|
def SLTUImm64 : MipsAsmPseudoInst<(outs GPR64Opnd:$rs),
|
|
(ins GPR64Opnd:$rt, imm64:$imm),
|
|
"sltu\t$rs, $rt, $imm">, GPR_64;
|
|
def : MipsInstAlias<"sltu\t$rs, $imm", (SLTUImm64 GPR64Opnd:$rs, GPR64Opnd:$rs,
|
|
imm64:$imm)>, GPR_64;
|