//===-- X86InstrArithmetic.td - Integer Arithmetic Instrs --*- tablegen -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file describes the integer arithmetic instructions in the X86 // architecture. // //===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===// // LEA - Load Effective Address let SchedRW = [WriteLEA] in { let hasSideEffects = 0 in def LEA16r : I<0x8D, MRMSrcMem, (outs GR16:$dst), (ins anymem:$src), "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize16; let isReMaterializable = 1 in def LEA32r : I<0x8D, MRMSrcMem, (outs GR32:$dst), (ins anymem:$src), "lea{l}\t{$src|$dst}, {$dst|$src}", [(set GR32:$dst, lea32addr:$src)]>, OpSize32, Requires<[Not64BitMode]>; def LEA64_32r : I<0x8D, MRMSrcMem, (outs GR32:$dst), (ins lea64_32mem:$src), "lea{l}\t{$src|$dst}, {$dst|$src}", [(set GR32:$dst, lea64_32addr:$src)]>, OpSize32, Requires<[In64BitMode]>; let isReMaterializable = 1 in def LEA64r : RI<0x8D, MRMSrcMem, (outs GR64:$dst), (ins lea64mem:$src), "lea{q}\t{$src|$dst}, {$dst|$src}", [(set GR64:$dst, lea64addr:$src)]>; } // SchedRW // Pseudo instruction for lea that prevent optimizer from eliminating // the instruction. let SchedRW = [WriteLEA], isPseudo = true, hasSideEffects = 1 in { def PLEA32r : PseudoI<(outs GR32:$dst), (ins anymem:$src), []>; def PLEA64r : PseudoI<(outs GR64:$dst), (ins anymem:$src), []>; } //===----------------------------------------------------------------------===// // Fixed-Register Multiplication and Division Instructions. // // SchedModel info for instruction that loads one value and gets the second // (and possibly third) value from a register. // This is used for instructions that put the memory operands before other // uses. class SchedLoadReg : Sched<[Sched.Folded, // Memory operand. ReadDefault, ReadDefault, ReadDefault, ReadDefault, ReadDefault, // Register reads (implicit or explicit). Sched.ReadAfterFold, Sched.ReadAfterFold]>; // BinOpRR - Binary instructions with inputs "reg, reg". class BinOpRR opcode, string mnemonic, X86TypeInfo typeinfo, dag outlist, X86FoldableSchedWrite sched, list pattern> : ITy, Sched<[sched]>; // BinOpRR_F - Binary instructions with inputs "reg, reg", where the pattern // has just a EFLAGS as a result. class BinOpRR_F opcode, string mnemonic, X86TypeInfo typeinfo, SDPatternOperator opnode> : BinOpRR; // BinOpRR_RF - Binary instructions with inputs "reg, reg", where the pattern // has both a regclass and EFLAGS as a result. class BinOpRR_RF opcode, string mnemonic, X86TypeInfo typeinfo, SDNode opnode> : BinOpRR; // BinOpRR_RFF - Binary instructions with inputs "reg, reg", where the pattern // has both a regclass and EFLAGS as a result, and has EFLAGS as input. class BinOpRR_RFF opcode, string mnemonic, X86TypeInfo typeinfo, SDNode opnode> : BinOpRR; // BinOpRR_Rev - Binary instructions with inputs "reg, reg"(reversed encoding). class BinOpRR_Rev opcode, string mnemonic, X86TypeInfo typeinfo, X86FoldableSchedWrite sched = WriteALU> : ITy, Sched<[sched]> { // The disassembler should know about this, but not the asmparser. let isCodeGenOnly = 1; let ForceDisassemble = 1; let hasSideEffects = 0; } // BinOpRR_RFF_Rev - Binary instructions with inputs "reg, reg"(reversed // encoding), with sched = WriteADC. class BinOpRR_RFF_Rev opcode, string mnemonic, X86TypeInfo typeinfo> : BinOpRR_Rev; // BinOpRR_F_Rev - Binary instructions with inputs "reg, reg"(reversed // encoding), without outlist dag. class BinOpRR_F_Rev opcode, string mnemonic, X86TypeInfo typeinfo> : ITy, Sched<[WriteALU]> { // The disassembler should know about this, but not the asmparser. let isCodeGenOnly = 1; let ForceDisassemble = 1; let hasSideEffects = 0; } // BinOpRM - Binary instructions with inputs "reg, [mem]". class BinOpRM opcode, string mnemonic, X86TypeInfo typeinfo, dag outlist, X86FoldableSchedWrite sched, list pattern> : ITy, Sched<[sched.Folded, sched.ReadAfterFold]>; // BinOpRM_ImplicitUse - Binary instructions with inputs "reg, [mem]". // There is an implicit register read at the end of the operand sequence. class BinOpRM_ImplicitUse opcode, string mnemonic, X86TypeInfo typeinfo, dag outlist, X86FoldableSchedWrite sched, list pattern> : ITy, Sched<[sched.Folded, sched.ReadAfterFold, // base, scale, index, offset, segment. ReadDefault, ReadDefault, ReadDefault, ReadDefault, ReadDefault, // implicit register read. sched.ReadAfterFold]>; // BinOpRM_F - Binary instructions with inputs "reg, [mem]", where the pattern // has just a EFLAGS as a result. class BinOpRM_F opcode, string mnemonic, X86TypeInfo typeinfo, SDNode opnode> : BinOpRM; // BinOpRM_RF - Binary instructions with inputs "reg, [mem]", where the pattern // has both a regclass and EFLAGS as a result. class BinOpRM_RF opcode, string mnemonic, X86TypeInfo typeinfo, SDNode opnode> : BinOpRM; // BinOpRM_RFF - Binary instructions with inputs "reg, [mem]", where the pattern // has both a regclass and EFLAGS as a result, and has EFLAGS as input. class BinOpRM_RFF opcode, string mnemonic, X86TypeInfo typeinfo, SDNode opnode> : BinOpRM_ImplicitUse; // BinOpRI - Binary instructions with inputs "reg, imm". class BinOpRI opcode, string mnemonic, X86TypeInfo typeinfo, Format f, dag outlist, X86FoldableSchedWrite sched, list pattern> : ITy, Sched<[sched]> { let ImmT = typeinfo.ImmEncoding; } // BinOpRI_F - Binary instructions with inputs "reg, imm", where the pattern // has EFLAGS as a result. class BinOpRI_F opcode, string mnemonic, X86TypeInfo typeinfo, SDPatternOperator opnode, Format f> : BinOpRI; // BinOpRI_RF - Binary instructions with inputs "reg, imm", where the pattern // has both a regclass and EFLAGS as a result. class BinOpRI_RF opcode, string mnemonic, X86TypeInfo typeinfo, SDNode opnode, Format f> : BinOpRI; // BinOpRI_RFF - Binary instructions with inputs "reg, imm", where the pattern // has both a regclass and EFLAGS as a result, and has EFLAGS as input. class BinOpRI_RFF opcode, string mnemonic, X86TypeInfo typeinfo, SDNode opnode, Format f> : BinOpRI; // BinOpRI8 - Binary instructions with inputs "reg, imm8". class BinOpRI8 opcode, string mnemonic, X86TypeInfo typeinfo, Format f, dag outlist, X86FoldableSchedWrite sched, list pattern> : ITy, Sched<[sched]> { let ImmT = Imm8; // Always 8-bit immediate. } // BinOpRI8_F - Binary instructions with inputs "reg, imm8". class BinOpRI8_F opcode, string mnemonic, X86TypeInfo typeinfo, Format f> : BinOpRI8; // BinOpRI8_RF - Binary instructions with inputs "reg, imm8". class BinOpRI8_RF opcode, string mnemonic, X86TypeInfo typeinfo, Format f> : BinOpRI8; // BinOpRI8_RFF - Binary instructions with inputs "reg, imm8". class BinOpRI8_RFF opcode, string mnemonic, X86TypeInfo typeinfo, Format f> : BinOpRI8; // BinOpMR - Binary instructions with inputs "[mem], reg". class BinOpMR opcode, string mnemonic, X86TypeInfo typeinfo, list pattern> : ITy; // BinOpMR_RMW - Binary instructions with inputs "[mem], reg", where the pattern // implicitly use EFLAGS. class BinOpMR_RMW opcode, string mnemonic, X86TypeInfo typeinfo, SDNode opnode> : BinOpMR, Sched<[WriteALURMW, // base, scale, index, offset, segment ReadDefault, ReadDefault, ReadDefault, ReadDefault, ReadDefault, WriteALU.ReadAfterFold]>; // reg // BinOpMR_RMW_FF - Binary instructions with inputs "[mem], reg", where the // pattern sets EFLAGS and implicitly uses EFLAGS. class BinOpMR_RMW_FF opcode, string mnemonic, X86TypeInfo typeinfo, SDNode opnode> : BinOpMR, Sched<[WriteADCRMW, // base, scale, index, offset, segment ReadDefault, ReadDefault, ReadDefault, ReadDefault, ReadDefault, WriteALU.ReadAfterFold, // reg WriteALU.ReadAfterFold]>; // EFLAGS // BinOpMR_F - Binary instructions with inputs "[mem], reg", where the pattern // has EFLAGS as a result. class BinOpMR_F opcode, string mnemonic, X86TypeInfo typeinfo, SDPatternOperator opnode> : BinOpMR, Sched<[WriteALU.Folded, ReadDefault, ReadDefault, ReadDefault, ReadDefault, ReadDefault, WriteALU.ReadAfterFold]>; // BinOpMI - Binary instructions with inputs "[mem], imm". class BinOpMI opcode, string mnemonic, X86TypeInfo typeinfo, Format f, list pattern> : ITy { let ImmT = typeinfo.ImmEncoding; } // BinOpMI_RMW - Binary instructions with inputs "[mem], imm", where the // pattern implicitly use EFLAGS. class BinOpMI_RMW opcode, string mnemonic, X86TypeInfo typeinfo, SDNode opnode, Format f> : BinOpMI, Sched<[WriteALURMW]>; // BinOpMI_RMW_FF - Binary instructions with inputs "[mem], imm", where the // pattern sets EFLAGS and implicitly uses EFLAGS. class BinOpMI_RMW_FF opcode, string mnemonic, X86TypeInfo typeinfo, SDNode opnode, Format f> : BinOpMI, Sched<[WriteADCRMW]>; // BinOpMI_F - Binary instructions with inputs "[mem], imm", where the pattern // has EFLAGS as a result. class BinOpMI_F opcode, string mnemonic, X86TypeInfo typeinfo, SDPatternOperator opnode, Format f> : BinOpMI, Sched<[WriteALU.Folded]>; // BinOpMI8 - Binary instructions with inputs "[mem], imm8". class BinOpMI8 pattern> : ITy<0x82, f, typeinfo, (outs), (ins typeinfo.MemOperand:$dst, typeinfo.Imm8Operand:$src), mnemonic, "{$src, $dst|$dst, $src}", pattern> { let ImmT = Imm8; // Always 8-bit immediate. } // BinOpMI8_RMW - Binary instructions with inputs "[mem], imm8". class BinOpMI8_RMW : BinOpMI8, Sched<[WriteALURMW]>; // BinOpMI8_RMW_FF - Binary instructions with inputs "[mem], imm8". class BinOpMI8_RMW_FF : BinOpMI8, Sched<[WriteADCRMW]>; // BinOpMI8_F - Binary instructions with inputs "[mem], imm8" class BinOpMI8_F : BinOpMI8, Sched<[WriteALU.Folded]>; // BinOpAI - Binary instructions with input imm, that implicitly use A reg and // implicitly define Areg and EFLAGS. class BinOpAI opcode, string mnemonic, X86TypeInfo typeinfo, Register areg, string operands, X86FoldableSchedWrite sched = WriteALU> : ITy, Sched<[sched]> { let ImmT = typeinfo.ImmEncoding; let Uses = [areg]; let Defs = [areg, EFLAGS]; let hasSideEffects = 0; } // BinOpAI_RFF - Binary instructions with input imm, that implicitly use and // define Areg and EFLAGS. class BinOpAI_RFF opcode, string mnemonic, X86TypeInfo typeinfo, Register areg, string operands> : BinOpAI { let Uses = [areg, EFLAGS]; } // BinOpAI_F - Binary instructions with input imm, that implicitly use A reg and // implicitly define EFLAGS. class BinOpAI_F opcode, string mnemonic, X86TypeInfo typeinfo, Register areg, string operands> : BinOpAI { let Defs = [EFLAGS]; } // UnaryOpM - Unary instructions with a memory operand. class UnaryOpM opcode, Format f, string mnemonic, X86TypeInfo info, list pattern> : ITy; // UnaryOpR - Unary instructions with a register. class UnaryOpR opcode, Format f, string mnemonic, X86TypeInfo info, list pattern> : ITy; // INCDECR - Instructions like "inc reg". class INCDECR : UnaryOpR<0xFE, f, mnemonic, info, [(set info.RegClass:$dst, EFLAGS, (node info.RegClass:$src1, 1))]>; // INCDECM - Instructions like "inc [mem]". class INCDECM : UnaryOpM<0xFE, f, mnemonic, info, [(store (add (info.LoadNode addr:$dst), num), addr:$dst), (implicit EFLAGS)]>; // INCDECR_ALT - Instructions like "inc reg" short forms. class INCDECR_ALT opcode, string mnemonic, X86TypeInfo info> : UnaryOpR{ let Predicates = [Not64BitMode]; let Opcode = opcode; } // MulOpR - Instructions like "mul reg". class MulOpR opcode, Format f, string mnemonic, X86TypeInfo info, X86FoldableSchedWrite sched, list pattern> : ITy, Sched<[sched]>; // MulOpM - Instructions like "mul [mem]". class MulOpM opcode, Format f, string mnemonic, X86TypeInfo info, X86FoldableSchedWrite sched, list pattern> : ITy, SchedLoadReg; // NegOpR - Instructions like "neg reg", with implicit EFLAGS. class NegOpR opcode, string mnemonic, X86TypeInfo info> : UnaryOpR; // NotOpR - Instructions like "not reg". class NotOpR opcode, string mnemonic, X86TypeInfo info> : UnaryOpR; // NegOpM - Instructions like "neg [mem]", with implicit EFLAGS. class NegOpM opcode, string mnemonic, X86TypeInfo info> : UnaryOpM; // NotOpM - Instructions like "neg [mem]". class NotOpM opcode, string mnemonic, X86TypeInfo info> : UnaryOpM; // BinOpRR_C - Binary instructions with inputs "reg, reg", which used mainly // with Constraints = "$src1 = $dst". class BinOpRR_C opcode, Format f, string mnemonic, X86TypeInfo info, list pattern> : ITy; // BinOpRM_C - Binary instructions with inputs "reg, [mem]", which used mainly // with Constraints = "$src1 = $dst". class BinOpRM_C opcode, Format f, string mnemonic, X86TypeInfo info, list pattern> : ITy; // IMulOpRR - Instructions like "imul reg, reg, i8". class IMulOpRR opcode, string mnemonic, X86TypeInfo info, X86FoldableSchedWrite sched> : BinOpRR_C, Sched<[sched]>, TB; // IMulOpRM - Instructions like "imul reg, reg, [mem]". class IMulOpRM opcode, string mnemonic, X86TypeInfo info, X86FoldableSchedWrite sched> : BinOpRM_C, Sched<[sched.Folded, sched.ReadAfterFold]>, TB; // IMulOpRRI8 - Instructions like "imul reg, reg, i8". class IMulOpRRI8 opcode, string mnemonic, X86TypeInfo info, X86FoldableSchedWrite sched> : ITy, Sched<[sched]> { let ImmT = Imm8; } // IMulOpRRI - Instructions like "imul reg, reg, i16/i32/i64". class IMulOpRRI opcode, string mnemonic, X86TypeInfo info, X86FoldableSchedWrite sched> : ITy, Sched<[sched]>{ let ImmT = info.ImmEncoding; } // IMulOpRMI8 - Instructions like "imul reg, [mem], i8". class IMulOpRMI8 opcode, string mnemonic, X86TypeInfo info, X86FoldableSchedWrite sched> : ITy, Sched<[sched.Folded]> { let ImmT = Imm8; } // IMulOpRMI - Instructions like "imul reg, [mem], i16/i32/i64". class IMulOpRMI opcode, string mnemonic, X86TypeInfo info, X86FoldableSchedWrite sched> : ITy, Sched<[sched.Folded]>{ let ImmT = info.ImmEncoding; } def X86add_flag_nocf : PatFrag<(ops node:$lhs, node:$rhs), (X86add_flag node:$lhs, node:$rhs), [{ return hasNoCarryFlagUses(SDValue(N, 1)); }]>; def X86sub_flag_nocf : PatFrag<(ops node:$lhs, node:$rhs), (X86sub_flag node:$lhs, node:$rhs), [{ // Only use DEC if the result is used. return !SDValue(N, 0).use_empty() && hasNoCarryFlagUses(SDValue(N, 1)); }]>; let Defs = [EFLAGS] in { let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in { // Short forms only valid in 32-bit mode. Selected during MCInst lowering. let CodeSize = 1, hasSideEffects = 0 in { def INC16r_alt : INCDECR_ALT<0x40, "inc", Xi16>; def INC32r_alt : INCDECR_ALT<0x40, "inc", Xi32>; } // CodeSize = 1, hasSideEffects = 0 let isConvertibleToThreeAddress = 1, CodeSize = 2 in { // Can xform into LEA. def INC8r : INCDECR; def INC16r : INCDECR; def INC32r : INCDECR; def INC64r : INCDECR; } // isConvertibleToThreeAddress = 1, CodeSize = 2 } // Constraints = "$src1 = $dst", SchedRW let CodeSize = 2, SchedRW = [WriteALURMW] in { let Predicates = [UseIncDec] in { def INC8m : INCDECM; def INC16m : INCDECM; def INC32m : INCDECM; } // Predicates let Predicates = [UseIncDec, In64BitMode] in { def INC64m : INCDECM; } // Predicates } // CodeSize = 2, SchedRW let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in { // Short forms only valid in 32-bit mode. Selected during MCInst lowering. let CodeSize = 1, hasSideEffects = 0 in { def DEC16r_alt : INCDECR_ALT<0x48, "dec", Xi16>; def DEC32r_alt : INCDECR_ALT<0x48, "dec", Xi32>; } // CodeSize = 1, hasSideEffects = 0 let isConvertibleToThreeAddress = 1, CodeSize = 2 in { // Can xform into LEA. def DEC8r : INCDECR; def DEC16r : INCDECR; def DEC32r : INCDECR; def DEC64r : INCDECR; } // isConvertibleToThreeAddress = 1, CodeSize = 2 } // Constraints = "$src1 = $dst", SchedRW let CodeSize = 2, SchedRW = [WriteALURMW] in { let Predicates = [UseIncDec] in { def DEC8m : INCDECM; def DEC16m : INCDECM; def DEC32m : INCDECM; } // Predicates let Predicates = [UseIncDec, In64BitMode] in { def DEC64m : INCDECM; } // Predicates } // CodeSize = 2, SchedRW } // Defs = [EFLAGS] // Extra precision multiplication // AL is really implied by AX, but the registers in Defs must match the // SDNode results (i8, i32). // AL,AH = AL*GR8 let Defs = [AL,EFLAGS,AX], Uses = [AL] in def MUL8r : MulOpR<0xF6, MRM4r, "mul", Xi8, WriteIMul8, // FIXME: Used for 8-bit mul, ignore result upper 8 bits. // This probably ought to be moved to a def : Pat<> if the // syntax can be accepted. [(set AL, (mul AL, GR8:$src)), (implicit EFLAGS)]>; // AX,DX = AX*GR16 let Defs = [AX,DX,EFLAGS], Uses = [AX], hasSideEffects = 0 in def MUL16r : MulOpR<0xF7, MRM4r, "mul", Xi16, WriteIMul16, []>; // EAX,EDX = EAX*GR32 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], hasSideEffects = 0 in def MUL32r : MulOpR<0xF7, MRM4r, "mul", Xi32, WriteIMul32, [/*(set EAX, EDX, EFLAGS, (X86umul_flag EAX, GR32:$src))*/]>; // RAX,RDX = RAX*GR64 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX], hasSideEffects = 0 in def MUL64r : MulOpR<0xF7, MRM4r, "mul", Xi64, WriteIMul64, [/*(set RAX, RDX, EFLAGS, (X86umul_flag RAX, GR64:$src))*/]>; // AL,AH = AL*[mem8] let Defs = [AL,EFLAGS,AX], Uses = [AL] in def MUL8m : MulOpM<0xF6, MRM4m, "mul", Xi8, WriteIMul8, // FIXME: Used for 8-bit mul, ignore result upper 8 bits. // This probably ought to be moved to a def : Pat<> if the // syntax can be accepted. [(set AL, (mul AL, (loadi8 addr:$src))), (implicit EFLAGS)]>; // AX,DX = AX*[mem16] let mayLoad = 1, hasSideEffects = 0 in { let Defs = [AX,DX,EFLAGS], Uses = [AX] in def MUL16m : MulOpM<0xF7, MRM4m, "mul", Xi16, WriteIMul16, []>; // EAX,EDX = EAX*[mem32] let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in def MUL32m : MulOpM<0xF7, MRM4m, "mul", Xi32, WriteIMul32, []>; // RAX,RDX = RAX*[mem64] let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in def MUL64m : MulOpM<0xF7, MRM4m, "mul", Xi64, WriteIMul64, []>, Requires<[In64BitMode]>; } let hasSideEffects = 0 in { // AL,AH = AL*GR8 let Defs = [AL,EFLAGS,AX], Uses = [AL] in def IMUL8r : MulOpR<0xF6, MRM5r, "imul", Xi8, WriteIMul8, []>; // AX,DX = AX*GR16 let Defs = [AX,DX,EFLAGS], Uses = [AX] in def IMUL16r : MulOpR<0xF7, MRM5r, "imul", Xi16, WriteIMul16, []>; // EAX,EDX = EAX*GR32 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in def IMUL32r : MulOpR<0xF7, MRM5r, "imul", Xi32, WriteIMul32, []>; // RAX,RDX = RAX*GR64 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in def IMUL64r : MulOpR<0xF7, MRM5r, "imul", Xi64, WriteIMul64, []>; let mayLoad = 1 in { // AL,AH = AL*[mem8] let Defs = [AL,EFLAGS,AX], Uses = [AL] in def IMUL8m : MulOpM<0xF6, MRM5m, "imul", Xi8, WriteIMul8, []>; // AX,DX = AX*[mem16] let Defs = [AX,DX,EFLAGS], Uses = [AX] in def IMUL16m : MulOpM<0xF7, MRM5m, "imul", Xi16, WriteIMul16, []>; // EAX,EDX = EAX*[mem32] let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in def IMUL32m : MulOpM<0xF7, MRM5m, "imul", Xi32, WriteIMul32, []>; // RAX,RDX = RAX*[mem64] let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in def IMUL64m : MulOpM<0xF7, MRM5m, "imul", Xi64, WriteIMul64, []>, Requires<[In64BitMode]>; } let Defs = [EFLAGS] in { let Constraints = "$src1 = $dst" in { let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y // Register-Register Signed Integer Multiply def IMUL16rr : IMulOpRR<0xAF, "imul", Xi16, WriteIMul16Reg>; def IMUL32rr : IMulOpRR<0xAF, "imul", Xi32, WriteIMul32Reg>; def IMUL64rr : IMulOpRR<0xAF, "imul", Xi64, WriteIMul64Reg>; } // isCommutable // Register-Memory Signed Integer Multiply def IMUL16rm : IMulOpRM<0xAF, "imul", Xi16, WriteIMul16Reg>; def IMUL32rm : IMulOpRM<0xAF, "imul", Xi32, WriteIMul32Reg>; def IMUL64rm : IMulOpRM<0xAF, "imul", Xi64, WriteIMul64Reg>; } // Constraints = "$src1 = $dst" } // Defs = [EFLAGS] // Surprisingly enough, these are not two address instructions! let Defs = [EFLAGS] in { // NOTE: These are order specific, we want the ri8 forms to be listed // first so that they are slightly preferred to the ri forms. // Register-Integer Signed Integer Multiply // GR16 = GR16*I8 def IMUL16rri8 : IMulOpRRI8<0x6B, "imul", Xi16, WriteIMul16Imm>; // GR16 = GR16*I16 def IMUL16rri : IMulOpRRI<0x69, "imul", Xi16, WriteIMul16Imm>; // GR32 = GR32*I8 def IMUL32rri8 : IMulOpRRI8<0x6B, "imul", Xi32, WriteIMul32Imm>; // GR32 = GR32*I32 def IMUL32rri : IMulOpRRI<0x69, "imul", Xi32, WriteIMul32Imm>; // GR64 = GR64*I8 def IMUL64rri8 : IMulOpRRI8<0x6B, "imul", Xi64, WriteIMul64Imm>; // GR64 = GR64*I32 def IMUL64rri32 : IMulOpRRI<0x69, "imul", Xi64, WriteIMul64Imm>; // Memory-Integer Signed Integer Multiply // GR16 = [mem16]*I8 let mayLoad = 1 in { def IMUL16rmi8 : IMulOpRMI8<0x6B, "imul", Xi16, WriteIMul16Imm>; // GR16 = [mem16]*I16 def IMUL16rmi : IMulOpRMI<0x69, "imul", Xi16, WriteIMul16Imm>; // GR32 = [mem32]*I8 def IMUL32rmi8 : IMulOpRMI8<0x6B, "imul", Xi32, WriteIMul32Imm>; // GR32 = [mem32]*I32 def IMUL32rmi : IMulOpRMI<0x69, "imul", Xi32, WriteIMul32Imm>; // GR64 = [mem64]*I8 def IMUL64rmi8 : IMulOpRMI8<0x6B, "imul", Xi64, WriteIMul64Imm>; // GR64 = [mem64]*I32 def IMUL64rmi32 : IMulOpRMI<0x69, "imul", Xi64, WriteIMul64Imm>; } // mayLoad } // Defs = [EFLAGS] } // hasSideEffects // unsigned division/remainder let hasSideEffects = 1 in { // so that we don't speculatively execute let Defs = [AL,AH,EFLAGS], Uses = [AX] in // AX/r8 = AL,AH def DIV8r : MulOpR<0xF6, MRM6r, "div", Xi8, WriteDiv8, []>; let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in // DX:AX/r16 = AX,DX def DIV16r : MulOpR<0xF7, MRM6r, "div", Xi16, WriteDiv16, []>; let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in // EDX:EAX/r32 = EAX,EDX def DIV32r : MulOpR<0xF7, MRM6r, "div", Xi32, WriteDiv32, []>; // RDX:RAX/r64 = RAX,RDX let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in def DIV64r : MulOpR<0xF7, MRM6r, "div", Xi64, WriteDiv64, []>; let mayLoad = 1 in { let Defs = [AL,AH,EFLAGS], Uses = [AX] in // AX/[mem8] = AL,AH def DIV8m : MulOpM<0xF6, MRM6m, "div", Xi8, WriteDiv8, []>; let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in // DX:AX/[mem16] = AX,DX def DIV16m : MulOpM<0xF7, MRM6m, "div", Xi16, WriteDiv16, []>; let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in // EDX:EAX/[mem32] = EAX,EDX def DIV32m : MulOpM<0xF7, MRM6m, "div", Xi32, WriteDiv32, []>; // RDX:RAX/[mem64] = RAX,RDX let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in def DIV64m : MulOpM<0xF7, MRM6m, "div", Xi64, WriteDiv64, []>, Requires<[In64BitMode]>; } // Signed division/remainder. let Defs = [AL,AH,EFLAGS], Uses = [AX] in // AX/r8 = AL,AH def IDIV8r : MulOpR<0xF6, MRM7r, "idiv", Xi8, WriteIDiv8, []>; let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in // DX:AX/r16 = AX,DX def IDIV16r: MulOpR<0xF7, MRM7r, "idiv", Xi16, WriteIDiv16, []>; let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in // EDX:EAX/r32 = EAX,EDX def IDIV32r: MulOpR<0xF7, MRM7r, "idiv", Xi32, WriteIDiv32, []>; // RDX:RAX/r64 = RAX,RDX let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in def IDIV64r: MulOpR<0xF7, MRM7r, "idiv", Xi64, WriteIDiv64, []>; let mayLoad = 1 in { let Defs = [AL,AH,EFLAGS], Uses = [AX] in // AX/[mem8] = AL,AH def IDIV8m : MulOpM<0xF6, MRM7m, "idiv", Xi8, WriteIDiv8, []>; let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in // DX:AX/[mem16] = AX,DX def IDIV16m: MulOpM<0xF7, MRM7m, "idiv", Xi16, WriteIDiv16, []>; let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in // EDX:EAX/[mem32] = EAX,EDX def IDIV32m: MulOpM<0xF7, MRM7m, "idiv", Xi32, WriteIDiv32, []>; let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in // RDX:RAX/[mem64] = RAX,RDX // RDX:RAX/[mem64] = RAX,RDX def IDIV64m: MulOpM<0xF7, MRM7m, "idiv", Xi64, WriteIDiv64, []>, Requires<[In64BitMode]>; } } // hasSideEffects = 1 //===----------------------------------------------------------------------===// // Two address Instructions. // // unary instructions let CodeSize = 2 in { let Defs = [EFLAGS] in { let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in { def NEG8r : NegOpR<0xF6, "neg", Xi8>; def NEG16r : NegOpR<0xF7, "neg", Xi16>; def NEG32r : NegOpR<0xF7, "neg", Xi32>; def NEG64r : NegOpR<0xF7, "neg", Xi64>; } // Constraints = "$src1 = $dst", SchedRW // Read-modify-write negate. let SchedRW = [WriteALURMW] in { def NEG8m : NegOpM<0xF6, "neg", Xi8>; def NEG16m : NegOpM<0xF7, "neg", Xi16>; def NEG32m : NegOpM<0xF7, "neg", Xi32>; def NEG64m : NegOpM<0xF7, "neg", Xi64>, Requires<[In64BitMode]>; } // SchedRW } // Defs = [EFLAGS] // Note: NOT does not set EFLAGS! let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in { def NOT8r : NotOpR<0xF6, "not", Xi8>; def NOT16r : NotOpR<0xF7, "not", Xi16>; def NOT32r : NotOpR<0xF7, "not", Xi32>; def NOT64r : NotOpR<0xF7, "not", Xi64>; } // Constraints = "$src1 = $dst", SchedRW let SchedRW = [WriteALURMW] in { def NOT8m : NotOpM<0xF6, "not", Xi8>; def NOT16m : NotOpM<0xF7, "not", Xi16>; def NOT32m : NotOpM<0xF7, "not", Xi32>; def NOT64m : NotOpM<0xF7, "not", Xi64>, Requires<[In64BitMode]>; } // SchedRW } // CodeSize /// ArithBinOp_RF - This is an arithmetic binary operator where the pattern is /// defined with "(set GPR:$dst, EFLAGS, (...". /// /// It would be nice to get rid of the second and third argument here, but /// tblgen can't handle dependent type references aggressively enough: PR8330 multiclass ArithBinOp_RF BaseOpc, bits<8> BaseOpc2, bits<8> BaseOpc4, string mnemonic, Format RegMRM, Format MemMRM, SDNode opnodeflag, SDNode opnode, bit CommutableRR, bit ConvertibleToThreeAddress, bit ConvertibleToThreeAddressRR> { let Defs = [EFLAGS] in { let Constraints = "$src1 = $dst" in { let isCommutable = CommutableRR in { let isConvertibleToThreeAddress = ConvertibleToThreeAddressRR in { def NAME#8rr : BinOpRR_RF; def NAME#16rr : BinOpRR_RF; def NAME#32rr : BinOpRR_RF; def NAME#64rr : BinOpRR_RF; } // isConvertibleToThreeAddress } // isCommutable def NAME#8rr_REV : BinOpRR_Rev; def NAME#16rr_REV : BinOpRR_Rev; def NAME#32rr_REV : BinOpRR_Rev; def NAME#64rr_REV : BinOpRR_Rev; def NAME#8rm : BinOpRM_RF; def NAME#16rm : BinOpRM_RF; def NAME#32rm : BinOpRM_RF; def NAME#64rm : BinOpRM_RF; let isConvertibleToThreeAddress = ConvertibleToThreeAddress, hasSideEffects= 0 in { def NAME#8ri : BinOpRI_RF<0x80, mnemonic, Xi8 , opnodeflag, RegMRM>; // NOTE: These are order specific, we want the ri8 forms to be listed // first so that they are slightly preferred to the ri forms. def NAME#16ri8 : BinOpRI8_RF<0x82, mnemonic, Xi16, RegMRM>; def NAME#32ri8 : BinOpRI8_RF<0x82, mnemonic, Xi32, RegMRM>; def NAME#64ri8 : BinOpRI8_RF<0x82, mnemonic, Xi64, RegMRM>; def NAME#16ri : BinOpRI_RF<0x80, mnemonic, Xi16, opnodeflag, RegMRM>; def NAME#32ri : BinOpRI_RF<0x80, mnemonic, Xi32, opnodeflag, RegMRM>; def NAME#64ri32: BinOpRI_RF<0x80, mnemonic, Xi64, opnodeflag, RegMRM>; } } // Constraints = "$src1 = $dst" let mayLoad = 1, mayStore = 1, hasSideEffects = 0 in { def NAME#8mr : BinOpMR_RMW; def NAME#16mr : BinOpMR_RMW; def NAME#32mr : BinOpMR_RMW; def NAME#64mr : BinOpMR_RMW; // NOTE: These are order specific, we want the mi8 forms to be listed // first so that they are slightly preferred to the mi forms. def NAME#16mi8 : BinOpMI8_RMW; def NAME#32mi8 : BinOpMI8_RMW; let Predicates = [In64BitMode] in def NAME#64mi8 : BinOpMI8_RMW; def NAME#8mi : BinOpMI_RMW<0x80, mnemonic, Xi8 , opnode, MemMRM>; def NAME#16mi : BinOpMI_RMW<0x80, mnemonic, Xi16, opnode, MemMRM>; def NAME#32mi : BinOpMI_RMW<0x80, mnemonic, Xi32, opnode, MemMRM>; let Predicates = [In64BitMode] in def NAME#64mi32 : BinOpMI_RMW<0x80, mnemonic, Xi64, opnode, MemMRM>; } // These are for the disassembler since 0x82 opcode behaves like 0x80, but // not in 64-bit mode. let Predicates = [Not64BitMode], isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in { let Constraints = "$src1 = $dst" in def NAME#8ri8 : BinOpRI8_RF<0x82, mnemonic, Xi8, RegMRM>; let mayLoad = 1, mayStore = 1 in def NAME#8mi8 : BinOpMI8_RMW; } } // Defs = [EFLAGS] def NAME#8i8 : BinOpAI; def NAME#16i16 : BinOpAI; def NAME#32i32 : BinOpAI; def NAME#64i32 : BinOpAI; } /// ArithBinOp_RFF - This is an arithmetic binary operator where the pattern is /// defined with "(set GPR:$dst, EFLAGS, (node LHS, RHS, EFLAGS))" like ADC and /// SBB. /// /// It would be nice to get rid of the second and third argument here, but /// tblgen can't handle dependent type references aggressively enough: PR8330 multiclass ArithBinOp_RFF BaseOpc, bits<8> BaseOpc2, bits<8> BaseOpc4, string mnemonic, Format RegMRM, Format MemMRM, SDNode opnode, bit CommutableRR, bit ConvertibleToThreeAddress> { let Uses = [EFLAGS], Defs = [EFLAGS] in { let Constraints = "$src1 = $dst" in { let isCommutable = CommutableRR in { def NAME#8rr : BinOpRR_RFF; let isConvertibleToThreeAddress = ConvertibleToThreeAddress in { def NAME#16rr : BinOpRR_RFF; def NAME#32rr : BinOpRR_RFF; def NAME#64rr : BinOpRR_RFF; } // isConvertibleToThreeAddress } // isCommutable def NAME#8rr_REV : BinOpRR_RFF_Rev; def NAME#16rr_REV : BinOpRR_RFF_Rev; def NAME#32rr_REV : BinOpRR_RFF_Rev; def NAME#64rr_REV : BinOpRR_RFF_Rev; def NAME#8rm : BinOpRM_RFF; def NAME#16rm : BinOpRM_RFF; def NAME#32rm : BinOpRM_RFF; def NAME#64rm : BinOpRM_RFF; def NAME#8ri : BinOpRI_RFF<0x80, mnemonic, Xi8 , opnode, RegMRM>; let isConvertibleToThreeAddress = ConvertibleToThreeAddress, hasSideEffects = 0 in { // NOTE: These are order specific, we want the ri8 forms to be listed // first so that they are slightly preferred to the ri forms. def NAME#16ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi16, RegMRM>; def NAME#32ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi32, RegMRM>; def NAME#64ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi64, RegMRM>; def NAME#16ri : BinOpRI_RFF<0x80, mnemonic, Xi16, opnode, RegMRM>; def NAME#32ri : BinOpRI_RFF<0x80, mnemonic, Xi32, opnode, RegMRM>; def NAME#64ri32: BinOpRI_RFF<0x80, mnemonic, Xi64, opnode, RegMRM>; } } // Constraints = "$src1 = $dst" def NAME#8mr : BinOpMR_RMW_FF; def NAME#16mr : BinOpMR_RMW_FF; def NAME#32mr : BinOpMR_RMW_FF; def NAME#64mr : BinOpMR_RMW_FF; // NOTE: These are order specific, we want the mi8 forms to be listed // first so that they are slightly preferred to the mi forms. let mayLoad = 1, mayStore = 1, hasSideEffects = 0 in { def NAME#16mi8 : BinOpMI8_RMW_FF; def NAME#32mi8 : BinOpMI8_RMW_FF; let Predicates = [In64BitMode] in def NAME#64mi8 : BinOpMI8_RMW_FF; def NAME#8mi : BinOpMI_RMW_FF<0x80, mnemonic, Xi8 , opnode, MemMRM>; def NAME#16mi : BinOpMI_RMW_FF<0x80, mnemonic, Xi16, opnode, MemMRM>; def NAME#32mi : BinOpMI_RMW_FF<0x80, mnemonic, Xi32, opnode, MemMRM>; let Predicates = [In64BitMode] in def NAME#64mi32 : BinOpMI_RMW_FF<0x80, mnemonic, Xi64, opnode, MemMRM>; } // These are for the disassembler since 0x82 opcode behaves like 0x80, but // not in 64-bit mode. let Predicates = [Not64BitMode], isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in { let Constraints = "$src1 = $dst" in def NAME#8ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi8, RegMRM>; let mayLoad = 1, mayStore = 1 in def NAME#8mi8 : BinOpMI8_RMW_FF; } } // Uses = [EFLAGS], Defs = [EFLAGS] def NAME#8i8 : BinOpAI_RFF; def NAME#16i16 : BinOpAI_RFF; def NAME#32i32 : BinOpAI_RFF; def NAME#64i32 : BinOpAI_RFF; } /// ArithBinOp_F - This is an arithmetic binary operator where the pattern is /// defined with "(set EFLAGS, (...". It would be really nice to find a way /// to factor this with the other ArithBinOp_*. /// multiclass ArithBinOp_F BaseOpc, bits<8> BaseOpc2, bits<8> BaseOpc4, string mnemonic, Format RegMRM, Format MemMRM, SDNode opnode, bit CommutableRR, bit ConvertibleToThreeAddress> { let Defs = [EFLAGS] in { let isCommutable = CommutableRR in { def NAME#8rr : BinOpRR_F; let isConvertibleToThreeAddress = ConvertibleToThreeAddress in { def NAME#16rr : BinOpRR_F; def NAME#32rr : BinOpRR_F; def NAME#64rr : BinOpRR_F; } } // isCommutable def NAME#8rr_REV : BinOpRR_F_Rev; def NAME#16rr_REV : BinOpRR_F_Rev; def NAME#32rr_REV : BinOpRR_F_Rev; def NAME#64rr_REV : BinOpRR_F_Rev; def NAME#8rm : BinOpRM_F; def NAME#16rm : BinOpRM_F; def NAME#32rm : BinOpRM_F; def NAME#64rm : BinOpRM_F; def NAME#8ri : BinOpRI_F<0x80, mnemonic, Xi8 , opnode, RegMRM>; let isConvertibleToThreeAddress = ConvertibleToThreeAddress, hasSideEffects = 0 in { // NOTE: These are order specific, we want the ri8 forms to be listed // first so that they are slightly preferred to the ri forms. def NAME#16ri8 : BinOpRI8_F<0x82, mnemonic, Xi16, RegMRM>; def NAME#32ri8 : BinOpRI8_F<0x82, mnemonic, Xi32, RegMRM>; def NAME#64ri8 : BinOpRI8_F<0x82, mnemonic, Xi64, RegMRM>; def NAME#16ri : BinOpRI_F<0x80, mnemonic, Xi16, opnode, RegMRM>; def NAME#32ri : BinOpRI_F<0x80, mnemonic, Xi32, opnode, RegMRM>; def NAME#64ri32: BinOpRI_F<0x80, mnemonic, Xi64, opnode, RegMRM>; } def NAME#8mr : BinOpMR_F; def NAME#16mr : BinOpMR_F; def NAME#32mr : BinOpMR_F; def NAME#64mr : BinOpMR_F; // NOTE: These are order specific, we want the mi8 forms to be listed // first so that they are slightly preferred to the mi forms. let mayLoad = 1, hasSideEffects = 0 in { def NAME#16mi8 : BinOpMI8_F; def NAME#32mi8 : BinOpMI8_F; let Predicates = [In64BitMode] in def NAME#64mi8 : BinOpMI8_F; def NAME#8mi : BinOpMI_F<0x80, mnemonic, Xi8 , opnode, MemMRM>; def NAME#16mi : BinOpMI_F<0x80, mnemonic, Xi16, opnode, MemMRM>; def NAME#32mi : BinOpMI_F<0x80, mnemonic, Xi32, opnode, MemMRM>; let Predicates = [In64BitMode] in def NAME#64mi32 : BinOpMI_F<0x80, mnemonic, Xi64, opnode, MemMRM>; } // These are for the disassembler since 0x82 opcode behaves like 0x80, but // not in 64-bit mode. let Predicates = [Not64BitMode], isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in { def NAME#8ri8 : BinOpRI8_F<0x82, mnemonic, Xi8, RegMRM>; let mayLoad = 1 in def NAME#8mi8 : BinOpMI8_F; } } // Defs = [EFLAGS] def NAME#8i8 : BinOpAI_F; def NAME#16i16 : BinOpAI_F; def NAME#32i32 : BinOpAI_F; def NAME#64i32 : BinOpAI_F; } defm AND : ArithBinOp_RF<0x20, 0x22, 0x24, "and", MRM4r, MRM4m, X86and_flag, and, 1, 0, 0>; defm OR : ArithBinOp_RF<0x08, 0x0A, 0x0C, "or", MRM1r, MRM1m, X86or_flag, or, 1, 0, 0>; defm XOR : ArithBinOp_RF<0x30, 0x32, 0x34, "xor", MRM6r, MRM6m, X86xor_flag, xor, 1, 0, 0>; defm ADD : ArithBinOp_RF<0x00, 0x02, 0x04, "add", MRM0r, MRM0m, X86add_flag, add, 1, 1, 1>; let isCompare = 1 in { defm SUB : ArithBinOp_RF<0x28, 0x2A, 0x2C, "sub", MRM5r, MRM5m, X86sub_flag, sub, 0, 1, 0>; } // Version of XOR8rr_NOREX that use GR8_NOREX. This is used by the handling of // __builtin_parity where the last step xors an h-register with an l-register. let isCodeGenOnly = 1, hasSideEffects = 0, Constraints = "$src1 = $dst", Defs = [EFLAGS], isCommutable = 1 in def XOR8rr_NOREX : I<0x30, MRMDestReg, (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src1, GR8_NOREX:$src2), "xor{b}\t{$src2, $dst|$dst, $src2}", []>, Sched<[WriteALU]>; // Arithmetic. defm ADC : ArithBinOp_RFF<0x10, 0x12, 0x14, "adc", MRM2r, MRM2m, X86adc_flag, 1, 0>; defm SBB : ArithBinOp_RFF<0x18, 0x1A, 0x1C, "sbb", MRM3r, MRM3m, X86sbb_flag, 0, 0>; let isCompare = 1 in { defm CMP : ArithBinOp_F<0x38, 0x3A, 0x3C, "cmp", MRM7r, MRM7m, X86cmp, 0, 0>; } // Patterns to recognize loads on the LHS of an ADC. We can't make X86adc_flag // commutable since it has EFLAGs as an input. def : Pat<(X86adc_flag (loadi8 addr:$src2), GR8:$src1, EFLAGS), (ADC8rm GR8:$src1, addr:$src2)>; def : Pat<(X86adc_flag (loadi16 addr:$src2), GR16:$src1, EFLAGS), (ADC16rm GR16:$src1, addr:$src2)>; def : Pat<(X86adc_flag (loadi32 addr:$src2), GR32:$src1, EFLAGS), (ADC32rm GR32:$src1, addr:$src2)>; def : Pat<(X86adc_flag (loadi64 addr:$src2), GR64:$src1, EFLAGS), (ADC64rm GR64:$src1, addr:$src2)>; // Patterns to recognize RMW ADC with loads in operand 1. def : Pat<(store (X86adc_flag GR8:$src, (loadi8 addr:$dst), EFLAGS), addr:$dst), (ADC8mr addr:$dst, GR8:$src)>; def : Pat<(store (X86adc_flag GR16:$src, (loadi16 addr:$dst), EFLAGS), addr:$dst), (ADC16mr addr:$dst, GR16:$src)>; def : Pat<(store (X86adc_flag GR32:$src, (loadi32 addr:$dst), EFLAGS), addr:$dst), (ADC32mr addr:$dst, GR32:$src)>; def : Pat<(store (X86adc_flag GR64:$src, (loadi64 addr:$dst), EFLAGS), addr:$dst), (ADC64mr addr:$dst, GR64:$src)>; // Patterns for basic arithmetic ops with relocImm for the immediate field. multiclass ArithBinOp_RF_relocImm_Pats { def : Pat<(OpNodeFlag GR8:$src1, relocImm8_su:$src2), (!cast(NAME#"8ri") GR8:$src1, relocImm8_su:$src2)>; def : Pat<(OpNodeFlag GR16:$src1, relocImm16_su:$src2), (!cast(NAME#"16ri") GR16:$src1, relocImm16_su:$src2)>; def : Pat<(OpNodeFlag GR32:$src1, relocImm32_su:$src2), (!cast(NAME#"32ri") GR32:$src1, relocImm32_su:$src2)>; def : Pat<(OpNodeFlag GR64:$src1, i64relocImmSExt32_su:$src2), (!cast(NAME#"64ri32") GR64:$src1, i64relocImmSExt32_su:$src2)>; def : Pat<(store (OpNode (load addr:$dst), relocImm8_su:$src), addr:$dst), (!cast(NAME#"8mi") addr:$dst, relocImm8_su:$src)>; def : Pat<(store (OpNode (load addr:$dst), relocImm16_su:$src), addr:$dst), (!cast(NAME#"16mi") addr:$dst, relocImm16_su:$src)>; def : Pat<(store (OpNode (load addr:$dst), relocImm32_su:$src), addr:$dst), (!cast(NAME#"32mi") addr:$dst, relocImm32_su:$src)>; def : Pat<(store (OpNode (load addr:$dst), i64relocImmSExt32_su:$src), addr:$dst), (!cast(NAME#"64mi32") addr:$dst, i64relocImmSExt32_su:$src)>; } multiclass ArithBinOp_RFF_relocImm_Pats { def : Pat<(OpNodeFlag GR8:$src1, relocImm8_su:$src2, EFLAGS), (!cast(NAME#"8ri") GR8:$src1, relocImm8_su:$src2)>; def : Pat<(OpNodeFlag GR16:$src1, relocImm16_su:$src2, EFLAGS), (!cast(NAME#"16ri") GR16:$src1, relocImm16_su:$src2)>; def : Pat<(OpNodeFlag GR32:$src1, relocImm32_su:$src2, EFLAGS), (!cast(NAME#"32ri") GR32:$src1, relocImm32_su:$src2)>; def : Pat<(OpNodeFlag GR64:$src1, i64relocImmSExt32_su:$src2, EFLAGS), (!cast(NAME#"64ri32") GR64:$src1, i64relocImmSExt32_su:$src2)>; def : Pat<(store (OpNodeFlag (load addr:$dst), relocImm8_su:$src, EFLAGS), addr:$dst), (!cast(NAME#"8mi") addr:$dst, relocImm8_su:$src)>; def : Pat<(store (OpNodeFlag (load addr:$dst), relocImm16_su:$src, EFLAGS), addr:$dst), (!cast(NAME#"16mi") addr:$dst, relocImm16_su:$src)>; def : Pat<(store (OpNodeFlag (load addr:$dst), relocImm32_su:$src, EFLAGS), addr:$dst), (!cast(NAME#"32mi") addr:$dst, relocImm32_su:$src)>; def : Pat<(store (OpNodeFlag (load addr:$dst), i64relocImmSExt32_su:$src, EFLAGS), addr:$dst), (!cast(NAME#"64mi32") addr:$dst, i64relocImmSExt32_su:$src)>; } multiclass ArithBinOp_F_relocImm_Pats { def : Pat<(OpNodeFlag GR8:$src1, relocImm8_su:$src2), (!cast(NAME#"8ri") GR8:$src1, relocImm8_su:$src2)>; def : Pat<(OpNodeFlag GR16:$src1, relocImm16_su:$src2), (!cast(NAME#"16ri") GR16:$src1, relocImm16_su:$src2)>; def : Pat<(OpNodeFlag GR32:$src1, relocImm32_su:$src2), (!cast(NAME#"32ri") GR32:$src1, relocImm32_su:$src2)>; def : Pat<(OpNodeFlag GR64:$src1, i64relocImmSExt32_su:$src2), (!cast(NAME#"64ri32") GR64:$src1, i64relocImmSExt32_su:$src2)>; def : Pat<(OpNodeFlag (loadi8 addr:$src1), relocImm8_su:$src2), (!cast(NAME#"8mi") addr:$src1, relocImm8_su:$src2)>; def : Pat<(OpNodeFlag (loadi16 addr:$src1), relocImm16_su:$src2), (!cast(NAME#"16mi") addr:$src1, relocImm16_su:$src2)>; def : Pat<(OpNodeFlag (loadi32 addr:$src1), relocImm32_su:$src2), (!cast(NAME#"32mi") addr:$src1, relocImm32_su:$src2)>; def : Pat<(OpNodeFlag (loadi64 addr:$src1), i64relocImmSExt32_su:$src2), (!cast(NAME#"64mi32") addr:$src1, i64relocImmSExt32_su:$src2)>; } defm AND : ArithBinOp_RF_relocImm_Pats; defm OR : ArithBinOp_RF_relocImm_Pats; defm XOR : ArithBinOp_RF_relocImm_Pats; defm ADD : ArithBinOp_RF_relocImm_Pats; defm SUB : ArithBinOp_RF_relocImm_Pats; defm ADC : ArithBinOp_RFF_relocImm_Pats; defm SBB : ArithBinOp_RFF_relocImm_Pats; defm CMP : ArithBinOp_F_relocImm_Pats; // ADC is commutable, but we can't indicate that to tablegen. So manually // reverse the operands. def : Pat<(X86adc_flag GR8:$src1, relocImm8_su:$src2, EFLAGS), (ADC8ri relocImm8_su:$src2, GR8:$src1)>; def : Pat<(X86adc_flag i16relocImmSExt8_su:$src2, GR16:$src1, EFLAGS), (ADC16ri8 GR16:$src1, i16relocImmSExt8_su:$src2)>; def : Pat<(X86adc_flag relocImm16_su:$src2, GR16:$src1, EFLAGS), (ADC16ri GR16:$src1, relocImm16_su:$src2)>; def : Pat<(X86adc_flag i32relocImmSExt8_su:$src2, GR32:$src1, EFLAGS), (ADC32ri8 GR32:$src1, i32relocImmSExt8_su:$src2)>; def : Pat<(X86adc_flag relocImm32_su:$src2, GR32:$src1, EFLAGS), (ADC32ri GR32:$src1, relocImm32_su:$src2)>; def : Pat<(X86adc_flag i64relocImmSExt8_su:$src2, GR64:$src1, EFLAGS), (ADC64ri8 GR64:$src1, i64relocImmSExt8_su:$src2)>; def : Pat<(X86adc_flag i64relocImmSExt32_su:$src2, GR64:$src1, EFLAGS), (ADC64ri32 GR64:$src1, i64relocImmSExt32_su:$src2)>; def : Pat<(store (X86adc_flag relocImm8_su:$src, (load addr:$dst), EFLAGS), addr:$dst), (ADC8mi addr:$dst, relocImm8_su:$src)>; def : Pat<(store (X86adc_flag i16relocImmSExt8_su:$src, (load addr:$dst), EFLAGS), addr:$dst), (ADC16mi8 addr:$dst, i16relocImmSExt8_su:$src)>; def : Pat<(store (X86adc_flag relocImm16_su:$src, (load addr:$dst), EFLAGS), addr:$dst), (ADC16mi addr:$dst, relocImm16_su:$src)>; def : Pat<(store (X86adc_flag i32relocImmSExt8_su:$src, (load addr:$dst), EFLAGS), addr:$dst), (ADC32mi8 addr:$dst, i32relocImmSExt8_su:$src)>; def : Pat<(store (X86adc_flag relocImm32_su:$src, (load addr:$dst), EFLAGS), addr:$dst), (ADC32mi addr:$dst, relocImm32_su:$src)>; def : Pat<(store (X86adc_flag i64relocImmSExt8_su:$src, (load addr:$dst), EFLAGS), addr:$dst), (ADC64mi8 addr:$dst, i64relocImmSExt8_su:$src)>; def : Pat<(store (X86adc_flag i64relocImmSExt32_su:$src, (load addr:$dst), EFLAGS), addr:$dst), (ADC64mi32 addr:$dst, i64relocImmSExt32_su:$src)>; //===----------------------------------------------------------------------===// // Semantically, test instructions are similar like AND, except they don't // generate a result. From an encoding perspective, they are very different: // they don't have all the usual imm8 and REV forms, and are encoded into a // different space. def X86testpat : PatFrag<(ops node:$lhs, node:$rhs), (X86cmp (and_su node:$lhs, node:$rhs), 0)>; let isCompare = 1 in { let Defs = [EFLAGS] in { let isCommutable = 1 in { // Avoid selecting these and instead use a test+and. Post processing will // combine them. This gives bunch of other patterns that start with // and a chance to match. def TEST8rr : BinOpRR_F<0x84, "test", Xi8 , null_frag>; def TEST16rr : BinOpRR_F<0x84, "test", Xi16, null_frag>; def TEST32rr : BinOpRR_F<0x84, "test", Xi32, null_frag>; def TEST64rr : BinOpRR_F<0x84, "test", Xi64, null_frag>; } // isCommutable let hasSideEffects = 0, mayLoad = 1 in { def TEST8mr : BinOpMR_F<0x84, "test", Xi8 , null_frag>; def TEST16mr : BinOpMR_F<0x84, "test", Xi16, null_frag>; def TEST32mr : BinOpMR_F<0x84, "test", Xi32, null_frag>; def TEST64mr : BinOpMR_F<0x84, "test", Xi64, null_frag>; } def TEST8ri : BinOpRI_F<0xF6, "test", Xi8 , X86testpat, MRM0r>; def TEST16ri : BinOpRI_F<0xF6, "test", Xi16, X86testpat, MRM0r>; def TEST32ri : BinOpRI_F<0xF6, "test", Xi32, X86testpat, MRM0r>; def TEST64ri32 : BinOpRI_F<0xF6, "test", Xi64, X86testpat, MRM0r>; def TEST8mi : BinOpMI_F<0xF6, "test", Xi8 , X86testpat, MRM0m>; def TEST16mi : BinOpMI_F<0xF6, "test", Xi16, X86testpat, MRM0m>; def TEST32mi : BinOpMI_F<0xF6, "test", Xi32, X86testpat, MRM0m>; let Predicates = [In64BitMode] in def TEST64mi32 : BinOpMI_F<0xF6, "test", Xi64, X86testpat, MRM0m>; } // Defs = [EFLAGS] def TEST8i8 : BinOpAI_F<0xA8, "test", Xi8 , AL, "{$src, %al|al, $src}">; def TEST16i16 : BinOpAI_F<0xA8, "test", Xi16, AX, "{$src, %ax|ax, $src}">; def TEST32i32 : BinOpAI_F<0xA8, "test", Xi32, EAX, "{$src, %eax|eax, $src}">; def TEST64i32 : BinOpAI_F<0xA8, "test", Xi64, RAX, "{$src, %rax|rax, $src}">; } // isCompare // Patterns to match a relocImm into the immediate field. def : Pat<(X86testpat GR8:$src1, relocImm8_su:$src2), (TEST8ri GR8:$src1, relocImm8_su:$src2)>; def : Pat<(X86testpat GR16:$src1, relocImm16_su:$src2), (TEST16ri GR16:$src1, relocImm16_su:$src2)>; def : Pat<(X86testpat GR32:$src1, relocImm32_su:$src2), (TEST32ri GR32:$src1, relocImm32_su:$src2)>; def : Pat<(X86testpat GR64:$src1, i64relocImmSExt32_su:$src2), (TEST64ri32 GR64:$src1, i64relocImmSExt32_su:$src2)>; def : Pat<(X86testpat (loadi8 addr:$src1), relocImm8_su:$src2), (TEST8mi addr:$src1, relocImm8_su:$src2)>; def : Pat<(X86testpat (loadi16 addr:$src1), relocImm16_su:$src2), (TEST16mi addr:$src1, relocImm16_su:$src2)>; def : Pat<(X86testpat (loadi32 addr:$src1), relocImm32_su:$src2), (TEST32mi addr:$src1, relocImm32_su:$src2)>; def : Pat<(X86testpat (loadi64 addr:$src1), i64relocImmSExt32_su:$src2), (TEST64mi32 addr:$src1, i64relocImmSExt32_su:$src2)>; //===----------------------------------------------------------------------===// // ANDN Instruction // multiclass bmi_andn { def rr : I<0xF2, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2), !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"), [(set RC:$dst, EFLAGS, (X86and_flag (not RC:$src1), RC:$src2))]>, Sched<[sched]>; def rm : I<0xF2, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2), !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"), [(set RC:$dst, EFLAGS, (X86and_flag (not RC:$src1), (ld_frag addr:$src2)))]>, Sched<[sched.Folded, sched.ReadAfterFold]>; } // Complexity is reduced to give and with immediate a chance to match first. let Predicates = [HasBMI], Defs = [EFLAGS], AddedComplexity = -6 in { defm ANDN32 : bmi_andn<"andn{l}", GR32, i32mem, loadi32, WriteALU>, T8PS, VEX_4V; defm ANDN64 : bmi_andn<"andn{q}", GR64, i64mem, loadi64, WriteALU>, T8PS, VEX_4V, REX_W; } let Predicates = [HasBMI], AddedComplexity = -6 in { def : Pat<(and (not GR32:$src1), GR32:$src2), (ANDN32rr GR32:$src1, GR32:$src2)>; def : Pat<(and (not GR64:$src1), GR64:$src2), (ANDN64rr GR64:$src1, GR64:$src2)>; def : Pat<(and (not GR32:$src1), (loadi32 addr:$src2)), (ANDN32rm GR32:$src1, addr:$src2)>; def : Pat<(and (not GR64:$src1), (loadi64 addr:$src2)), (ANDN64rm GR64:$src1, addr:$src2)>; } //===----------------------------------------------------------------------===// // MULX Instruction // multiclass bmi_mulx { let hasSideEffects = 0 in { def rr : I<0xF6, MRMSrcReg, (outs RC:$dst1, RC:$dst2), (ins RC:$src), !strconcat(mnemonic, "\t{$src, $dst2, $dst1|$dst1, $dst2, $src}"), []>, T8XD, VEX_4V, Sched<[WriteIMulH, sched]>; let mayLoad = 1 in def rm : I<0xF6, MRMSrcMem, (outs RC:$dst1, RC:$dst2), (ins x86memop:$src), !strconcat(mnemonic, "\t{$src, $dst2, $dst1|$dst1, $dst2, $src}"), []>, T8XD, VEX_4V, Sched<[WriteIMulHLd, sched.Folded, // Memory operand. ReadDefault, ReadDefault, ReadDefault, ReadDefault, ReadDefault, // Implicit read of EDX/RDX sched.ReadAfterFold]>; // Pseudo instructions to be used when the low result isn't used. The // instruction is defined to keep the high if both destinations are the same. def Hrr : PseudoI<(outs RC:$dst), (ins RC:$src), []>, Sched<[sched]>; let mayLoad = 1 in def Hrm : PseudoI<(outs RC:$dst), (ins x86memop:$src), []>, Sched<[sched.Folded]>; } } let Predicates = [HasBMI2] in { let Uses = [EDX] in defm MULX32 : bmi_mulx<"mulx{l}", GR32, i32mem, WriteMULX32>; let Uses = [RDX] in defm MULX64 : bmi_mulx<"mulx{q}", GR64, i64mem, WriteMULX64>, REX_W; } //===----------------------------------------------------------------------===// // ADCX and ADOX Instructions // // We don't have patterns for these as there is no advantage over ADC for // most code. class ADCOXOpRR opcode, string mnemonic, X86TypeInfo info> : BinOpRR_C{ let Opcode = opcode; let OpSize = OpSizeFixed; } class ADCOXOpRM opcode, string mnemonic, X86TypeInfo info> : BinOpRM_C{ let Opcode = opcode; let OpSize = OpSizeFixed; } let Predicates = [HasADX], Defs = [EFLAGS], Uses = [EFLAGS], Constraints = "$src1 = $dst", hasSideEffects = 0 in { let SchedRW = [WriteADC], isCommutable = 1 in { def ADCX32rr : ADCOXOpRR<0xF6, "adcx", Xi32>, T8PD; def ADCX64rr : ADCOXOpRR<0xF6, "adcx", Xi64>, T8PD; def ADOX32rr : ADCOXOpRR<0xF6, "adox", Xi32>, T8XS; def ADOX64rr : ADCOXOpRR<0xF6, "adox", Xi64>, T8XS; } // SchedRW let mayLoad = 1, SchedRW = [WriteADC.Folded, WriteADC.ReadAfterFold, // Memory operand. ReadDefault, ReadDefault, ReadDefault, ReadDefault, ReadDefault, // Implicit read of EFLAGS WriteADC.ReadAfterFold] in { def ADCX32rm : ADCOXOpRM<0xF6, "adcx", Xi32>, T8PD; def ADCX64rm : ADCOXOpRM<0xF6, "adcx", Xi64>, T8PD; def ADOX32rm : ADCOXOpRM<0xF6, "adox", Xi32>, T8XS; def ADOX64rm : ADCOXOpRM<0xF6, "adox", Xi64>, T8XS; } // mayLoad, SchedRW }