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- //===-- 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
- //===----------------------------------------------------------------------===//
- // 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<X86FoldableSchedWrite Sched> : Sched<[Sched.Folded,
- // Memory operand.
- ReadDefault, ReadDefault, ReadDefault, ReadDefault, ReadDefault,
- // Register reads (implicit or explicit).
- Sched.ReadAfterFold, Sched.ReadAfterFold]>;
- // 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 : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
- // 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:$src)),
- (implicit EFLAGS)]>, Sched<[WriteIMul8]>;
- // AX,DX = AX*GR16
- let Defs = [AX,DX,EFLAGS], Uses = [AX], hasSideEffects = 0 in
- def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
- "mul{w}\t$src",
- []>, OpSize16, Sched<[WriteIMul16]>;
- // EAX,EDX = EAX*GR32
- let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], hasSideEffects = 0 in
- def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
- "mul{l}\t$src",
- [/*(set EAX, EDX, EFLAGS, (X86umul_flag EAX, GR32:$src))*/]>,
- OpSize32, Sched<[WriteIMul32]>;
- // RAX,RDX = RAX*GR64
- let Defs = [RAX,RDX,EFLAGS], Uses = [RAX], hasSideEffects = 0 in
- def MUL64r : RI<0xF7, MRM4r, (outs), (ins GR64:$src),
- "mul{q}\t$src",
- [/*(set RAX, RDX, EFLAGS, (X86umul_flag RAX, GR64:$src))*/]>,
- Sched<[WriteIMul64]>;
- // AL,AH = AL*[mem8]
- let Defs = [AL,EFLAGS,AX], Uses = [AL] in
- def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
- "mul{b}\t$src",
- // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
- // This probably ought to be moved to a def : Pat<> if the
- // syntax can be accepted.
- [(set AL, (mul AL, (loadi8 addr:$src))),
- (implicit EFLAGS)]>, SchedLoadReg<WriteIMul8>;
- // AX,DX = AX*[mem16]
- let mayLoad = 1, hasSideEffects = 0 in {
- let Defs = [AX,DX,EFLAGS], Uses = [AX] in
- def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
- "mul{w}\t$src", []>, OpSize16, SchedLoadReg<WriteIMul16>;
- // EAX,EDX = EAX*[mem32]
- let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
- def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
- "mul{l}\t$src", []>, OpSize32, SchedLoadReg<WriteIMul32>;
- // RAX,RDX = RAX*[mem64]
- let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
- def MUL64m : RI<0xF7, MRM4m, (outs), (ins i64mem:$src),
- "mul{q}\t$src", []>, SchedLoadReg<WriteIMul64>,
- Requires<[In64BitMode]>;
- }
- let hasSideEffects = 0 in {
- // AL,AH = AL*GR8
- let Defs = [AL,EFLAGS,AX], Uses = [AL] in
- def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>,
- Sched<[WriteIMul8]>;
- // AX,DX = AX*GR16
- let Defs = [AX,DX,EFLAGS], Uses = [AX] in
- def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
- OpSize16, Sched<[WriteIMul16]>;
- // EAX,EDX = EAX*GR32
- let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
- def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>,
- OpSize32, Sched<[WriteIMul32]>;
- // RAX,RDX = RAX*GR64
- let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
- def IMUL64r : RI<0xF7, MRM5r, (outs), (ins GR64:$src), "imul{q}\t$src", []>,
- Sched<[WriteIMul64]>;
- let mayLoad = 1 in {
- // AL,AH = AL*[mem8]
- let Defs = [AL,EFLAGS,AX], Uses = [AL] in
- def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
- "imul{b}\t$src", []>, SchedLoadReg<WriteIMul8>;
- // AX,DX = AX*[mem16]
- let Defs = [AX,DX,EFLAGS], Uses = [AX] in
- def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
- "imul{w}\t$src", []>, OpSize16, SchedLoadReg<WriteIMul16>;
- // EAX,EDX = EAX*[mem32]
- let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
- def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
- "imul{l}\t$src", []>, OpSize32, SchedLoadReg<WriteIMul32>;
- // RAX,RDX = RAX*[mem64]
- let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
- def IMUL64m : RI<0xF7, MRM5m, (outs), (ins i64mem:$src),
- "imul{q}\t$src", []>, SchedLoadReg<WriteIMul64>,
- Requires<[In64BitMode]>;
- }
- } // hasSideEffects
- let Defs = [EFLAGS] in {
- let Constraints = "$src1 = $dst" in {
- let isCommutable = 1 in {
- // X = IMUL Y, Z --> X = IMUL Z, Y
- // Register-Register Signed Integer Multiply
- def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
- "imul{w}\t{$src2, $dst|$dst, $src2}",
- [(set GR16:$dst, EFLAGS,
- (X86smul_flag GR16:$src1, GR16:$src2))]>,
- Sched<[WriteIMul16Reg]>, TB, OpSize16;
- def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
- "imul{l}\t{$src2, $dst|$dst, $src2}",
- [(set GR32:$dst, EFLAGS,
- (X86smul_flag GR32:$src1, GR32:$src2))]>,
- Sched<[WriteIMul32Reg]>, TB, OpSize32;
- def IMUL64rr : RI<0xAF, MRMSrcReg, (outs GR64:$dst),
- (ins GR64:$src1, GR64:$src2),
- "imul{q}\t{$src2, $dst|$dst, $src2}",
- [(set GR64:$dst, EFLAGS,
- (X86smul_flag GR64:$src1, GR64:$src2))]>,
- Sched<[WriteIMul64Reg]>, TB;
- } // isCommutable
- // Register-Memory Signed Integer Multiply
- def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
- (ins GR16:$src1, i16mem:$src2),
- "imul{w}\t{$src2, $dst|$dst, $src2}",
- [(set GR16:$dst, EFLAGS,
- (X86smul_flag GR16:$src1, (loadi16 addr:$src2)))]>,
- Sched<[WriteIMul16Reg.Folded, WriteIMul16Reg.ReadAfterFold]>, TB, OpSize16;
- def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
- (ins GR32:$src1, i32mem:$src2),
- "imul{l}\t{$src2, $dst|$dst, $src2}",
- [(set GR32:$dst, EFLAGS,
- (X86smul_flag GR32:$src1, (loadi32 addr:$src2)))]>,
- Sched<[WriteIMul32Reg.Folded, WriteIMul32Reg.ReadAfterFold]>, TB, OpSize32;
- def IMUL64rm : RI<0xAF, MRMSrcMem, (outs GR64:$dst),
- (ins GR64:$src1, i64mem:$src2),
- "imul{q}\t{$src2, $dst|$dst, $src2}",
- [(set GR64:$dst, EFLAGS,
- (X86smul_flag GR64:$src1, (loadi64 addr:$src2)))]>,
- Sched<[WriteIMul64Reg.Folded, WriteIMul32Reg.ReadAfterFold]>, TB;
- } // Constraints = "$src1 = $dst"
- } // Defs = [EFLAGS]
- // Surprisingly enough, these are not two address instructions!
- let Defs = [EFLAGS] in {
- // NOTE: These are order specific, we want the ri8 forms to be listed
- // first so that they are slightly preferred to the ri forms.
- // Register-Integer Signed Integer Multiply
- def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
- (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
- "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR16:$dst, EFLAGS,
- (X86smul_flag GR16:$src1, i16immSExt8:$src2))]>,
- Sched<[WriteIMul16Imm]>, OpSize16;
- def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
- (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
- "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR16:$dst, EFLAGS,
- (X86smul_flag GR16:$src1, imm:$src2))]>,
- Sched<[WriteIMul16Imm]>, OpSize16;
- def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
- (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
- "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR32:$dst, EFLAGS,
- (X86smul_flag GR32:$src1, imm:$src2))]>,
- Sched<[WriteIMul32Imm]>, OpSize32;
- def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
- (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
- "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR32:$dst, EFLAGS,
- (X86smul_flag GR32:$src1, i32immSExt8:$src2))]>,
- Sched<[WriteIMul32Imm]>, OpSize32;
- def IMUL64rri8 : RIi8<0x6B, MRMSrcReg, // GR64 = GR64*I8
- (outs GR64:$dst), (ins GR64:$src1, i64i8imm:$src2),
- "imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR64:$dst, EFLAGS,
- (X86smul_flag GR64:$src1, i64immSExt8:$src2))]>,
- Sched<[WriteIMul64Imm]>;
- def IMUL64rri32 : RIi32S<0x69, MRMSrcReg, // GR64 = GR64*I32
- (outs GR64:$dst), (ins GR64:$src1, i64i32imm:$src2),
- "imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR64:$dst, EFLAGS,
- (X86smul_flag GR64:$src1, i64immSExt32:$src2))]>,
- Sched<[WriteIMul64Imm]>;
- // Memory-Integer Signed Integer Multiply
- def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
- (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
- "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR16:$dst, EFLAGS,
- (X86smul_flag (loadi16 addr:$src1),
- i16immSExt8:$src2))]>,
- Sched<[WriteIMul16Imm.Folded]>, OpSize16;
- def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
- (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
- "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR16:$dst, EFLAGS,
- (X86smul_flag (loadi16 addr:$src1), imm:$src2))]>,
- Sched<[WriteIMul16Imm.Folded]>, OpSize16;
- def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
- (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
- "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR32:$dst, EFLAGS,
- (X86smul_flag (loadi32 addr:$src1),
- i32immSExt8:$src2))]>,
- Sched<[WriteIMul32Imm.Folded]>, OpSize32;
- def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
- (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
- "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR32:$dst, EFLAGS,
- (X86smul_flag (loadi32 addr:$src1), imm:$src2))]>,
- Sched<[WriteIMul32Imm.Folded]>, OpSize32;
- def IMUL64rmi8 : RIi8<0x6B, MRMSrcMem, // GR64 = [mem64]*I8
- (outs GR64:$dst), (ins i64mem:$src1, i64i8imm: $src2),
- "imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR64:$dst, EFLAGS,
- (X86smul_flag (loadi64 addr:$src1),
- i64immSExt8:$src2))]>,
- Sched<[WriteIMul64Imm.Folded]>;
- def IMUL64rmi32 : RIi32S<0x69, MRMSrcMem, // GR64 = [mem64]*I32
- (outs GR64:$dst), (ins i64mem:$src1, i64i32imm:$src2),
- "imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR64:$dst, EFLAGS,
- (X86smul_flag (loadi64 addr:$src1),
- i64immSExt32:$src2))]>,
- Sched<[WriteIMul64Imm.Folded]>;
- } // Defs = [EFLAGS]
- // unsigned division/remainder
- let hasSideEffects = 1 in { // so that we don't speculatively execute
- let Defs = [AL,AH,EFLAGS], Uses = [AX] in
- def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
- "div{b}\t$src", []>, Sched<[WriteDiv8]>;
- let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
- def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
- "div{w}\t$src", []>, Sched<[WriteDiv16]>, OpSize16;
- let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
- def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
- "div{l}\t$src", []>, Sched<[WriteDiv32]>, OpSize32;
- // RDX:RAX/r64 = RAX,RDX
- let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in
- def DIV64r : RI<0xF7, MRM6r, (outs), (ins GR64:$src),
- "div{q}\t$src", []>, Sched<[WriteDiv64]>;
- let mayLoad = 1 in {
- let Defs = [AL,AH,EFLAGS], Uses = [AX] in
- def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
- "div{b}\t$src", []>, SchedLoadReg<WriteDiv8>;
- let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
- def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
- "div{w}\t$src", []>, OpSize16, SchedLoadReg<WriteDiv16>;
- let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in // EDX:EAX/[mem32] = EAX,EDX
- def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
- "div{l}\t$src", []>, SchedLoadReg<WriteDiv32>, OpSize32;
- // RDX:RAX/[mem64] = RAX,RDX
- let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in
- def DIV64m : RI<0xF7, MRM6m, (outs), (ins i64mem:$src),
- "div{q}\t$src", []>, SchedLoadReg<WriteDiv64>,
- Requires<[In64BitMode]>;
- }
- // Signed division/remainder.
- let Defs = [AL,AH,EFLAGS], Uses = [AX] in
- def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
- "idiv{b}\t$src", []>, Sched<[WriteIDiv8]>;
- let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
- def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
- "idiv{w}\t$src", []>, Sched<[WriteIDiv16]>, OpSize16;
- let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
- def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
- "idiv{l}\t$src", []>, Sched<[WriteIDiv32]>, OpSize32;
- // RDX:RAX/r64 = RAX,RDX
- let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in
- def IDIV64r: RI<0xF7, MRM7r, (outs), (ins GR64:$src),
- "idiv{q}\t$src", []>, Sched<[WriteIDiv64]>;
- let mayLoad = 1 in {
- let Defs = [AL,AH,EFLAGS], Uses = [AX] in
- def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
- "idiv{b}\t$src", []>, SchedLoadReg<WriteIDiv8>;
- let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
- def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
- "idiv{w}\t$src", []>, OpSize16, SchedLoadReg<WriteIDiv16>;
- let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in // EDX:EAX/[mem32] = EAX,EDX
- def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
- "idiv{l}\t$src", []>, OpSize32, SchedLoadReg<WriteIDiv32>;
- let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in // RDX:RAX/[mem64] = RAX,RDX
- def IDIV64m: RI<0xF7, MRM7m, (outs), (ins i64mem:$src),
- "idiv{q}\t$src", []>, SchedLoadReg<WriteIDiv64>,
- Requires<[In64BitMode]>;
- }
- } // hasSideEffects = 0
- //===----------------------------------------------------------------------===//
- // Two address Instructions.
- //
- // unary instructions
- let CodeSize = 2 in {
- let Defs = [EFLAGS] in {
- let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
- def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src1),
- "neg{b}\t$dst",
- [(set GR8:$dst, (ineg GR8:$src1)),
- (implicit EFLAGS)]>;
- def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
- "neg{w}\t$dst",
- [(set GR16:$dst, (ineg GR16:$src1)),
- (implicit EFLAGS)]>, OpSize16;
- def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
- "neg{l}\t$dst",
- [(set GR32:$dst, (ineg GR32:$src1)),
- (implicit EFLAGS)]>, OpSize32;
- def NEG64r : RI<0xF7, MRM3r, (outs GR64:$dst), (ins GR64:$src1), "neg{q}\t$dst",
- [(set GR64:$dst, (ineg GR64:$src1)),
- (implicit EFLAGS)]>;
- } // Constraints = "$src1 = $dst", SchedRW
- // Read-modify-write negate.
- let SchedRW = [WriteALURMW] in {
- def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst),
- "neg{b}\t$dst",
- [(store (ineg (loadi8 addr:$dst)), addr:$dst),
- (implicit EFLAGS)]>;
- def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst),
- "neg{w}\t$dst",
- [(store (ineg (loadi16 addr:$dst)), addr:$dst),
- (implicit EFLAGS)]>, OpSize16;
- def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst),
- "neg{l}\t$dst",
- [(store (ineg (loadi32 addr:$dst)), addr:$dst),
- (implicit EFLAGS)]>, OpSize32;
- def NEG64m : RI<0xF7, MRM3m, (outs), (ins i64mem:$dst), "neg{q}\t$dst",
- [(store (ineg (loadi64 addr:$dst)), addr:$dst),
- (implicit EFLAGS)]>,
- Requires<[In64BitMode]>;
- } // SchedRW
- } // Defs = [EFLAGS]
- // Note: NOT does not set EFLAGS!
- let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
- def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src1),
- "not{b}\t$dst",
- [(set GR8:$dst, (not GR8:$src1))]>;
- def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
- "not{w}\t$dst",
- [(set GR16:$dst, (not GR16:$src1))]>, OpSize16;
- def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
- "not{l}\t$dst",
- [(set GR32:$dst, (not GR32:$src1))]>, OpSize32;
- def NOT64r : RI<0xF7, MRM2r, (outs GR64:$dst), (ins GR64:$src1), "not{q}\t$dst",
- [(set GR64:$dst, (not GR64:$src1))]>;
- } // Constraints = "$src1 = $dst", SchedRW
- let SchedRW = [WriteALURMW] in {
- def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst),
- "not{b}\t$dst",
- [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
- def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst),
- "not{w}\t$dst",
- [(store (not (loadi16 addr:$dst)), addr:$dst)]>,
- OpSize16;
- def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst),
- "not{l}\t$dst",
- [(store (not (loadi32 addr:$dst)), addr:$dst)]>,
- OpSize32;
- def NOT64m : RI<0xF7, MRM2m, (outs), (ins i64mem:$dst), "not{q}\t$dst",
- [(store (not (loadi64 addr:$dst)), addr:$dst)]>,
- Requires<[In64BitMode]>;
- } // SchedRW
- } // CodeSize
- def X86add_flag_nocf : PatFrag<(ops node:$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:$rhs), [{
- // Only use DEC if the result is used.
- return !SDValue(N, 0).use_empty() && hasNoCarryFlagUses(SDValue(N, 1));
- }]>;
- // TODO: inc/dec is slow for P4, but fast for Pentium-M.
- let Defs = [EFLAGS] in {
- let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
- let isConvertibleToThreeAddress = 1, CodeSize = 2 in { // Can xform into LEA.
- def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
- "inc{b}\t$dst",
- [(set GR8:$dst, EFLAGS, (X86add_flag_nocf GR8:$src1, 1))]>;
- def INC16r : I<0xFF, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
- "inc{w}\t$dst",
- [(set GR16:$dst, EFLAGS, (X86add_flag_nocf GR16:$src1, 1))]>,
- OpSize16;
- def INC32r : I<0xFF, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
- "inc{l}\t$dst",
- [(set GR32:$dst, EFLAGS, (X86add_flag_nocf GR32:$src1, 1))]>,
- OpSize32;
- def INC64r : RI<0xFF, MRM0r, (outs GR64:$dst), (ins GR64:$src1), "inc{q}\t$dst",
- [(set GR64:$dst, EFLAGS, (X86add_flag_nocf GR64:$src1, 1))]>;
- } // isConvertibleToThreeAddress = 1, CodeSize = 2
- // Short forms only valid in 32-bit mode. Selected during MCInst lowering.
- let CodeSize = 1, hasSideEffects = 0 in {
- def INC16r_alt : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
- "inc{w}\t$dst", []>,
- OpSize16, Requires<[Not64BitMode]>;
- def INC32r_alt : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
- "inc{l}\t$dst", []>,
- OpSize32, Requires<[Not64BitMode]>;
- } // CodeSize = 1, hasSideEffects = 0
- } // Constraints = "$src1 = $dst", SchedRW
- let CodeSize = 2, SchedRW = [WriteALURMW] in {
- let Predicates = [UseIncDec] in {
- def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
- [(store (add (loadi8 addr:$dst), 1), addr:$dst),
- (implicit EFLAGS)]>;
- def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
- [(store (add (loadi16 addr:$dst), 1), addr:$dst),
- (implicit EFLAGS)]>, OpSize16;
- def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
- [(store (add (loadi32 addr:$dst), 1), addr:$dst),
- (implicit EFLAGS)]>, OpSize32;
- } // Predicates
- let Predicates = [UseIncDec, In64BitMode] in {
- def INC64m : RI<0xFF, MRM0m, (outs), (ins i64mem:$dst), "inc{q}\t$dst",
- [(store (add (loadi64 addr:$dst), 1), addr:$dst),
- (implicit EFLAGS)]>;
- } // Predicates
- } // CodeSize = 2, SchedRW
- let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
- let isConvertibleToThreeAddress = 1, CodeSize = 2 in { // Can xform into LEA.
- def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
- "dec{b}\t$dst",
- [(set GR8:$dst, EFLAGS, (X86sub_flag_nocf GR8:$src1, 1))]>;
- def DEC16r : I<0xFF, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
- "dec{w}\t$dst",
- [(set GR16:$dst, EFLAGS, (X86sub_flag_nocf GR16:$src1, 1))]>,
- OpSize16;
- def DEC32r : I<0xFF, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
- "dec{l}\t$dst",
- [(set GR32:$dst, EFLAGS, (X86sub_flag_nocf GR32:$src1, 1))]>,
- OpSize32;
- def DEC64r : RI<0xFF, MRM1r, (outs GR64:$dst), (ins GR64:$src1), "dec{q}\t$dst",
- [(set GR64:$dst, EFLAGS, (X86sub_flag_nocf GR64:$src1, 1))]>;
- } // isConvertibleToThreeAddress = 1, CodeSize = 2
- // Short forms only valid in 32-bit mode. Selected during MCInst lowering.
- let CodeSize = 1, hasSideEffects = 0 in {
- def DEC16r_alt : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
- "dec{w}\t$dst", []>,
- OpSize16, Requires<[Not64BitMode]>;
- def DEC32r_alt : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
- "dec{l}\t$dst", []>,
- OpSize32, Requires<[Not64BitMode]>;
- } // CodeSize = 1, hasSideEffects = 0
- } // Constraints = "$src1 = $dst", SchedRW
- let CodeSize = 2, SchedRW = [WriteALURMW] in {
- let Predicates = [UseIncDec] in {
- def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
- [(store (add (loadi8 addr:$dst), -1), addr:$dst),
- (implicit EFLAGS)]>;
- def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
- [(store (add (loadi16 addr:$dst), -1), addr:$dst),
- (implicit EFLAGS)]>, OpSize16;
- def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
- [(store (add (loadi32 addr:$dst), -1), addr:$dst),
- (implicit EFLAGS)]>, OpSize32;
- } // Predicates
- let Predicates = [UseIncDec, In64BitMode] in {
- def DEC64m : RI<0xFF, MRM1m, (outs), (ins i64mem:$dst), "dec{q}\t$dst",
- [(store (add (loadi64 addr:$dst), -1), addr:$dst),
- (implicit EFLAGS)]>;
- } // Predicates
- } // CodeSize = 2, SchedRW
- } // Defs = [EFLAGS]
- /// X86TypeInfo - This is a bunch of information that describes relevant X86
- /// information about value types. For example, it can tell you what the
- /// register class and preferred load to use.
- class X86TypeInfo<ValueType vt, string instrsuffix, RegisterClass regclass,
- PatFrag loadnode, X86MemOperand memoperand, ImmType immkind,
- Operand immoperand, SDPatternOperator immoperator,
- Operand imm8operand, SDPatternOperator imm8operator,
- bit hasOddOpcode, OperandSize opSize,
- bit hasREX_WPrefix> {
- /// VT - This is the value type itself.
- ValueType VT = vt;
- /// InstrSuffix - This is the suffix used on instructions with this type. For
- /// example, i8 -> "b", i16 -> "w", i32 -> "l", i64 -> "q".
- string InstrSuffix = instrsuffix;
- /// RegClass - This is the register class associated with this type. For
- /// example, i8 -> GR8, i16 -> GR16, i32 -> GR32, i64 -> GR64.
- RegisterClass RegClass = regclass;
- /// LoadNode - This is the load node associated with this type. For
- /// example, i8 -> loadi8, i16 -> loadi16, i32 -> loadi32, i64 -> loadi64.
- PatFrag LoadNode = loadnode;
- /// MemOperand - This is the memory operand associated with this type. For
- /// example, i8 -> i8mem, i16 -> i16mem, i32 -> i32mem, i64 -> i64mem.
- X86MemOperand MemOperand = memoperand;
- /// ImmEncoding - This is the encoding of an immediate of this type. For
- /// example, i8 -> Imm8, i16 -> Imm16, i32 -> Imm32. Note that i64 -> Imm32
- /// since the immediate fields of i64 instructions is a 32-bit sign extended
- /// value.
- ImmType ImmEncoding = immkind;
- /// ImmOperand - This is the operand kind of an immediate of this type. For
- /// example, i8 -> i8imm, i16 -> i16imm, i32 -> i32imm. Note that i64 ->
- /// i64i32imm since the immediate fields of i64 instructions is a 32-bit sign
- /// extended value.
- Operand ImmOperand = immoperand;
- /// ImmOperator - This is the operator that should be used to match an
- /// immediate of this kind in a pattern (e.g. imm, or i64immSExt32).
- SDPatternOperator ImmOperator = immoperator;
- /// Imm8Operand - This is the operand kind to use for an imm8 of this type.
- /// For example, i8 -> <invalid>, i16 -> i16i8imm, i32 -> i32i8imm. This is
- /// only used for instructions that have a sign-extended imm8 field form.
- Operand Imm8Operand = imm8operand;
- /// Imm8Operator - This is the operator that should be used to match an 8-bit
- /// sign extended immediate of this kind in a pattern (e.g. imm16immSExt8).
- SDPatternOperator Imm8Operator = imm8operator;
- /// HasOddOpcode - This bit is true if the instruction should have an odd (as
- /// opposed to even) opcode. Operations on i8 are usually even, operations on
- /// other datatypes are odd.
- bit HasOddOpcode = hasOddOpcode;
- /// OpSize - Selects whether the instruction needs a 0x66 prefix based on
- /// 16-bit vs 32-bit mode. i8/i64 set this to OpSizeFixed. i16 sets this
- /// to Opsize16. i32 sets this to OpSize32.
- OperandSize OpSize = opSize;
- /// HasREX_WPrefix - This bit is set to true if the instruction should have
- /// the 0x40 REX prefix. This is set for i64 types.
- bit HasREX_WPrefix = hasREX_WPrefix;
- }
- def invalid_node : SDNode<"<<invalid_node>>", SDTIntLeaf,[],"<<invalid_node>>">;
- def Xi8 : X86TypeInfo<i8, "b", GR8, loadi8, i8mem,
- Imm8, i8imm, imm_su, i8imm, invalid_node,
- 0, OpSizeFixed, 0>;
- def Xi16 : X86TypeInfo<i16, "w", GR16, loadi16, i16mem,
- Imm16, i16imm, imm_su, i16i8imm, i16immSExt8_su,
- 1, OpSize16, 0>;
- def Xi32 : X86TypeInfo<i32, "l", GR32, loadi32, i32mem,
- Imm32, i32imm, imm_su, i32i8imm, i32immSExt8_su,
- 1, OpSize32, 0>;
- def Xi64 : X86TypeInfo<i64, "q", GR64, loadi64, i64mem,
- Imm32S, i64i32imm, i64immSExt32_su, i64i8imm, i64immSExt8_su,
- 1, OpSizeFixed, 1>;
- /// ITy - This instruction base class takes the type info for the instruction.
- /// Using this, it:
- /// 1. Concatenates together the instruction mnemonic with the appropriate
- /// suffix letter, a tab, and the arguments.
- /// 2. Infers whether the instruction should have a 0x66 prefix byte.
- /// 3. Infers whether the instruction should have a 0x40 REX_W prefix.
- /// 4. Infers whether the low bit of the opcode should be 0 (for i8 operations)
- /// or 1 (for i16,i32,i64 operations).
- class ITy<bits<8> opcode, Format f, X86TypeInfo typeinfo, dag outs, dag ins,
- string mnemonic, string args, list<dag> pattern>
- : I<{opcode{7}, opcode{6}, opcode{5}, opcode{4},
- opcode{3}, opcode{2}, opcode{1}, typeinfo.HasOddOpcode },
- f, outs, ins,
- !strconcat(mnemonic, "{", typeinfo.InstrSuffix, "}\t", args), pattern> {
- // Infer instruction prefixes from type info.
- let OpSize = typeinfo.OpSize;
- let hasREX_WPrefix = typeinfo.HasREX_WPrefix;
- }
- // BinOpRR - Instructions like "add reg, reg, reg".
- class BinOpRR<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- dag outlist, X86FoldableSchedWrite sched, list<dag> pattern>
- : ITy<opcode, MRMDestReg, typeinfo, outlist,
- (ins typeinfo.RegClass:$src1, typeinfo.RegClass:$src2),
- mnemonic, "{$src2, $src1|$src1, $src2}", pattern>,
- Sched<[sched]>;
- // BinOpRR_F - Instructions like "cmp reg, Reg", where the pattern has
- // just a EFLAGS as a result.
- class BinOpRR_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDPatternOperator opnode>
- : BinOpRR<opcode, mnemonic, typeinfo, (outs), WriteALU,
- [(set EFLAGS,
- (opnode typeinfo.RegClass:$src1, typeinfo.RegClass:$src2))]>;
- // BinOpRR_RF - Instructions like "add reg, reg, reg", where the pattern has
- // both a regclass and EFLAGS as a result.
- class BinOpRR_RF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDNode opnode>
- : BinOpRR<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst), WriteALU,
- [(set typeinfo.RegClass:$dst, EFLAGS,
- (opnode typeinfo.RegClass:$src1, typeinfo.RegClass:$src2))]>;
- // BinOpRR_RFF - Instructions like "adc reg, reg, reg", where the pattern has
- // both a regclass and EFLAGS as a result, and has EFLAGS as input.
- class BinOpRR_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDNode opnode>
- : BinOpRR<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst), WriteADC,
- [(set typeinfo.RegClass:$dst, EFLAGS,
- (opnode typeinfo.RegClass:$src1, typeinfo.RegClass:$src2,
- EFLAGS))]>;
- // BinOpRR_Rev - Instructions like "add reg, reg, reg" (reversed encoding).
- class BinOpRR_Rev<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- X86FoldableSchedWrite sched = WriteALU>
- : ITy<opcode, MRMSrcReg, typeinfo,
- (outs typeinfo.RegClass:$dst),
- (ins typeinfo.RegClass:$src1, typeinfo.RegClass:$src2),
- mnemonic, "{$src2, $dst|$dst, $src2}", []>,
- Sched<[sched]> {
- // The disassembler should know about this, but not the asmparser.
- let isCodeGenOnly = 1;
- let ForceDisassemble = 1;
- let hasSideEffects = 0;
- }
- // BinOpRR_RDD_Rev - Instructions like "adc reg, reg, reg" (reversed encoding).
- class BinOpRR_RFF_Rev<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo>
- : BinOpRR_Rev<opcode, mnemonic, typeinfo, WriteADC>;
- // BinOpRR_F_Rev - Instructions like "cmp reg, reg" (reversed encoding).
- class BinOpRR_F_Rev<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo>
- : ITy<opcode, MRMSrcReg, typeinfo, (outs),
- (ins typeinfo.RegClass:$src1, typeinfo.RegClass:$src2),
- mnemonic, "{$src2, $src1|$src1, $src2}", []>,
- Sched<[WriteALU]> {
- // The disassembler should know about this, but not the asmparser.
- let isCodeGenOnly = 1;
- let ForceDisassemble = 1;
- let hasSideEffects = 0;
- }
- // BinOpRM - Instructions like "add reg, reg, [mem]".
- class BinOpRM<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- dag outlist, X86FoldableSchedWrite sched, list<dag> pattern>
- : ITy<opcode, MRMSrcMem, typeinfo, outlist,
- (ins typeinfo.RegClass:$src1, typeinfo.MemOperand:$src2),
- mnemonic, "{$src2, $src1|$src1, $src2}", pattern>,
- Sched<[sched.Folded, sched.ReadAfterFold]>;
- // BinOpRM - Instructions like "adc reg, reg, [mem]".
- // There is an implicit register read at the end of the operand sequence.
- class BinOpRM_ImplicitUse<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- dag outlist, X86FoldableSchedWrite sched, list<dag> pattern>
- : ITy<opcode, MRMSrcMem, typeinfo, outlist,
- (ins typeinfo.RegClass:$src1, typeinfo.MemOperand:$src2),
- mnemonic, "{$src2, $src1|$src1, $src2}", pattern>,
- Sched<[sched.Folded, sched.ReadAfterFold,
- // base, scale, index, offset, segment.
- ReadDefault, ReadDefault, ReadDefault, ReadDefault, ReadDefault,
- // implicit register read.
- sched.ReadAfterFold]>;
- // BinOpRM_F - Instructions like "cmp reg, [mem]".
- class BinOpRM_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDNode opnode>
- : BinOpRM<opcode, mnemonic, typeinfo, (outs), WriteALU,
- [(set EFLAGS,
- (opnode typeinfo.RegClass:$src1, (typeinfo.LoadNode addr:$src2)))]>;
- // BinOpRM_RF - Instructions like "add reg, reg, [mem]".
- class BinOpRM_RF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDNode opnode>
- : BinOpRM<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst), WriteALU,
- [(set typeinfo.RegClass:$dst, EFLAGS,
- (opnode typeinfo.RegClass:$src1, (typeinfo.LoadNode addr:$src2)))]>;
- // BinOpRM_RFF - Instructions like "adc reg, reg, [mem]".
- class BinOpRM_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDNode opnode>
- : BinOpRM_ImplicitUse<opcode, mnemonic, typeinfo, (outs typeinfo.RegClass:$dst), WriteADC,
- [(set typeinfo.RegClass:$dst, EFLAGS,
- (opnode typeinfo.RegClass:$src1, (typeinfo.LoadNode addr:$src2),
- EFLAGS))]>;
- // BinOpRI - Instructions like "add reg, reg, imm".
- class BinOpRI<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- Format f, dag outlist, X86FoldableSchedWrite sched, list<dag> pattern>
- : ITy<opcode, f, typeinfo, outlist,
- (ins typeinfo.RegClass:$src1, typeinfo.ImmOperand:$src2),
- mnemonic, "{$src2, $src1|$src1, $src2}", pattern>,
- Sched<[sched]> {
- let ImmT = typeinfo.ImmEncoding;
- }
- // BinOpRI_F - Instructions like "cmp reg, imm".
- class BinOpRI_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDPatternOperator opnode, Format f>
- : BinOpRI<opcode, mnemonic, typeinfo, f, (outs), WriteALU,
- [(set EFLAGS,
- (opnode typeinfo.RegClass:$src1, typeinfo.ImmOperator:$src2))]>;
- // BinOpRI_RF - Instructions like "add reg, reg, imm".
- class BinOpRI_RF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDNode opnode, Format f>
- : BinOpRI<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst), WriteALU,
- [(set typeinfo.RegClass:$dst, EFLAGS,
- (opnode typeinfo.RegClass:$src1, typeinfo.ImmOperator:$src2))]>;
- // BinOpRI_RFF - Instructions like "adc reg, reg, imm".
- class BinOpRI_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDNode opnode, Format f>
- : BinOpRI<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst), WriteADC,
- [(set typeinfo.RegClass:$dst, EFLAGS,
- (opnode typeinfo.RegClass:$src1, typeinfo.ImmOperator:$src2,
- EFLAGS))]>;
- // BinOpRI8 - Instructions like "add reg, reg, imm8".
- class BinOpRI8<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- Format f, dag outlist, X86FoldableSchedWrite sched, list<dag> pattern>
- : ITy<opcode, f, typeinfo, outlist,
- (ins typeinfo.RegClass:$src1, typeinfo.Imm8Operand:$src2),
- mnemonic, "{$src2, $src1|$src1, $src2}", pattern>,
- Sched<[sched]> {
- let ImmT = Imm8; // Always 8-bit immediate.
- }
- // BinOpRI8_F - Instructions like "cmp reg, imm8".
- class BinOpRI8_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDPatternOperator opnode, Format f>
- : BinOpRI8<opcode, mnemonic, typeinfo, f, (outs), WriteALU,
- [(set EFLAGS,
- (opnode typeinfo.RegClass:$src1, typeinfo.Imm8Operator:$src2))]>;
- // BinOpRI8_RF - Instructions like "add reg, reg, imm8".
- class BinOpRI8_RF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDPatternOperator opnode, Format f>
- : BinOpRI8<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst), WriteALU,
- [(set typeinfo.RegClass:$dst, EFLAGS,
- (opnode typeinfo.RegClass:$src1, typeinfo.Imm8Operator:$src2))]>;
- // BinOpRI8_RFF - Instructions like "adc reg, reg, imm8".
- class BinOpRI8_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDPatternOperator opnode, Format f>
- : BinOpRI8<opcode, mnemonic, typeinfo, f, (outs typeinfo.RegClass:$dst), WriteADC,
- [(set typeinfo.RegClass:$dst, EFLAGS,
- (opnode typeinfo.RegClass:$src1, typeinfo.Imm8Operator:$src2,
- EFLAGS))]>;
- // BinOpMR - Instructions like "add [mem], reg".
- class BinOpMR<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- list<dag> pattern>
- : ITy<opcode, MRMDestMem, typeinfo,
- (outs), (ins typeinfo.MemOperand:$dst, typeinfo.RegClass:$src),
- mnemonic, "{$src, $dst|$dst, $src}", pattern>;
- // BinOpMR_RMW - Instructions like "add [mem], reg".
- class BinOpMR_RMW<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDNode opnode>
- : BinOpMR<opcode, mnemonic, typeinfo,
- [(store (opnode (load addr:$dst), typeinfo.RegClass:$src), addr:$dst),
- (implicit EFLAGS)]>, Sched<[WriteALURMW,
- // base, scale, index, offset, segment
- ReadDefault, ReadDefault, ReadDefault,
- ReadDefault, ReadDefault,
- WriteALU.ReadAfterFold]>; // reg
- // BinOpMR_RMW_FF - Instructions like "adc [mem], reg".
- class BinOpMR_RMW_FF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDNode opnode>
- : BinOpMR<opcode, mnemonic, typeinfo,
- [(store (opnode (load addr:$dst), typeinfo.RegClass:$src, EFLAGS),
- addr:$dst),
- (implicit EFLAGS)]>, Sched<[WriteADCRMW,
- // base, scale, index, offset, segment
- ReadDefault, ReadDefault, ReadDefault,
- ReadDefault, ReadDefault,
- WriteALU.ReadAfterFold, // reg
- WriteALU.ReadAfterFold]>; // EFLAGS
- // BinOpMR_F - Instructions like "cmp [mem], reg".
- class BinOpMR_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDPatternOperator opnode>
- : BinOpMR<opcode, mnemonic, typeinfo,
- [(set EFLAGS, (opnode (typeinfo.LoadNode addr:$dst),
- typeinfo.RegClass:$src))]>,
- Sched<[WriteALU.Folded, ReadDefault, ReadDefault, ReadDefault,
- ReadDefault, ReadDefault, WriteALU.ReadAfterFold]>;
- // BinOpMI - Instructions like "add [mem], imm".
- class BinOpMI<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- Format f, list<dag> pattern>
- : ITy<opcode, f, typeinfo,
- (outs), (ins typeinfo.MemOperand:$dst, typeinfo.ImmOperand:$src),
- mnemonic, "{$src, $dst|$dst, $src}", pattern> {
- let ImmT = typeinfo.ImmEncoding;
- }
- // BinOpMI_RMW - Instructions like "add [mem], imm".
- class BinOpMI_RMW<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDNode opnode, Format f>
- : BinOpMI<opcode, mnemonic, typeinfo, f,
- [(store (opnode (typeinfo.VT (load addr:$dst)),
- typeinfo.ImmOperator:$src), addr:$dst),
- (implicit EFLAGS)]>, Sched<[WriteALURMW]>;
- // BinOpMI_RMW_FF - Instructions like "adc [mem], imm".
- class BinOpMI_RMW_FF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDNode opnode, Format f>
- : BinOpMI<opcode, mnemonic, typeinfo, f,
- [(store (opnode (typeinfo.VT (load addr:$dst)),
- typeinfo.ImmOperator:$src, EFLAGS), addr:$dst),
- (implicit EFLAGS)]>, Sched<[WriteADCRMW]>;
- // BinOpMI_F - Instructions like "cmp [mem], imm".
- class BinOpMI_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- SDPatternOperator opnode, Format f>
- : BinOpMI<opcode, mnemonic, typeinfo, f,
- [(set EFLAGS, (opnode (typeinfo.LoadNode addr:$dst),
- typeinfo.ImmOperator:$src))]>,
- Sched<[WriteALU.Folded]>;
- // BinOpMI8 - Instructions like "add [mem], imm8".
- class BinOpMI8<string mnemonic, X86TypeInfo typeinfo,
- Format f, list<dag> pattern>
- : ITy<0x82, f, typeinfo,
- (outs), (ins typeinfo.MemOperand:$dst, typeinfo.Imm8Operand:$src),
- mnemonic, "{$src, $dst|$dst, $src}", pattern> {
- let ImmT = Imm8; // Always 8-bit immediate.
- }
- // BinOpMI8_RMW - Instructions like "add [mem], imm8".
- class BinOpMI8_RMW<string mnemonic, X86TypeInfo typeinfo,
- SDPatternOperator opnode, Format f>
- : BinOpMI8<mnemonic, typeinfo, f,
- [(store (opnode (load addr:$dst),
- typeinfo.Imm8Operator:$src), addr:$dst),
- (implicit EFLAGS)]>, Sched<[WriteALURMW]>;
- // BinOpMI8_RMW_FF - Instructions like "adc [mem], imm8".
- class BinOpMI8_RMW_FF<string mnemonic, X86TypeInfo typeinfo,
- SDPatternOperator opnode, Format f>
- : BinOpMI8<mnemonic, typeinfo, f,
- [(store (opnode (load addr:$dst),
- typeinfo.Imm8Operator:$src, EFLAGS), addr:$dst),
- (implicit EFLAGS)]>, Sched<[WriteADCRMW]>;
- // BinOpMI8_F - Instructions like "cmp [mem], imm8".
- class BinOpMI8_F<string mnemonic, X86TypeInfo typeinfo,
- SDPatternOperator opnode, Format f>
- : BinOpMI8<mnemonic, typeinfo, f,
- [(set EFLAGS, (opnode (typeinfo.LoadNode addr:$dst),
- typeinfo.Imm8Operator:$src))]>,
- Sched<[WriteALU.Folded]>;
- // BinOpAI - Instructions like "add %eax, %eax, imm", that imp-def EFLAGS.
- class BinOpAI<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- Register areg, string operands, X86FoldableSchedWrite sched = WriteALU>
- : ITy<opcode, RawFrm, typeinfo,
- (outs), (ins typeinfo.ImmOperand:$src),
- mnemonic, operands, []>, Sched<[sched]> {
- let ImmT = typeinfo.ImmEncoding;
- let Uses = [areg];
- let Defs = [areg, EFLAGS];
- let hasSideEffects = 0;
- }
- // BinOpAI_RFF - Instructions like "adc %eax, %eax, imm", that implicitly define
- // and use EFLAGS.
- class BinOpAI_RFF<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- Register areg, string operands>
- : BinOpAI<opcode, mnemonic, typeinfo, areg, operands, WriteADC> {
- let Uses = [areg, EFLAGS];
- }
- // BinOpAI_F - Instructions like "cmp %eax, %eax, imm", that imp-def EFLAGS.
- class BinOpAI_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- Register areg, string operands>
- : BinOpAI<opcode, mnemonic, typeinfo, areg, operands> {
- let Defs = [EFLAGS];
- }
- /// ArithBinOp_RF - This is an arithmetic binary operator where the pattern is
- /// defined with "(set GPR:$dst, EFLAGS, (...".
- ///
- /// It would be nice to get rid of the second and third argument here, but
- /// tblgen can't handle dependent type references aggressively enough: PR8330
- multiclass ArithBinOp_RF<bits<8> BaseOpc, bits<8> BaseOpc2, bits<8> BaseOpc4,
- string mnemonic, Format RegMRM, Format MemMRM,
- SDNode opnodeflag, SDNode opnode,
- bit CommutableRR, bit ConvertibleToThreeAddress,
- bit ConvertibleToThreeAddressRR> {
- let Defs = [EFLAGS] in {
- let Constraints = "$src1 = $dst" in {
- let isCommutable = CommutableRR in {
- let isConvertibleToThreeAddress = ConvertibleToThreeAddressRR in {
- def NAME#8rr : BinOpRR_RF<BaseOpc, mnemonic, Xi8 , opnodeflag>;
- def NAME#16rr : BinOpRR_RF<BaseOpc, mnemonic, Xi16, opnodeflag>;
- def NAME#32rr : BinOpRR_RF<BaseOpc, mnemonic, Xi32, opnodeflag>;
- def NAME#64rr : BinOpRR_RF<BaseOpc, mnemonic, Xi64, opnodeflag>;
- } // isConvertibleToThreeAddress
- } // isCommutable
- def NAME#8rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi8>, FoldGenData<NAME#8rr>;
- def NAME#16rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi16>, FoldGenData<NAME#16rr>;
- def NAME#32rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi32>, FoldGenData<NAME#32rr>;
- def NAME#64rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi64>, FoldGenData<NAME#64rr>;
- def NAME#8rm : BinOpRM_RF<BaseOpc2, mnemonic, Xi8 , opnodeflag>;
- def NAME#16rm : BinOpRM_RF<BaseOpc2, mnemonic, Xi16, opnodeflag>;
- def NAME#32rm : BinOpRM_RF<BaseOpc2, mnemonic, Xi32, opnodeflag>;
- def NAME#64rm : BinOpRM_RF<BaseOpc2, mnemonic, Xi64, opnodeflag>;
- let isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
- def NAME#8ri : BinOpRI_RF<0x80, mnemonic, Xi8 , opnodeflag, RegMRM>;
- // NOTE: These are order specific, we want the ri8 forms to be listed
- // first so that they are slightly preferred to the ri forms.
- def NAME#16ri8 : BinOpRI8_RF<0x82, mnemonic, Xi16, opnodeflag, RegMRM>;
- def NAME#32ri8 : BinOpRI8_RF<0x82, mnemonic, Xi32, opnodeflag, RegMRM>;
- def NAME#64ri8 : BinOpRI8_RF<0x82, mnemonic, Xi64, opnodeflag, RegMRM>;
- def NAME#16ri : BinOpRI_RF<0x80, mnemonic, Xi16, opnodeflag, RegMRM>;
- def NAME#32ri : BinOpRI_RF<0x80, mnemonic, Xi32, opnodeflag, RegMRM>;
- def NAME#64ri32: BinOpRI_RF<0x80, mnemonic, Xi64, opnodeflag, RegMRM>;
- }
- } // Constraints = "$src1 = $dst"
- let mayLoad = 1, mayStore = 1 in {
- def NAME#8mr : BinOpMR_RMW<BaseOpc, mnemonic, Xi8 , opnode>;
- def NAME#16mr : BinOpMR_RMW<BaseOpc, mnemonic, Xi16, opnode>;
- def NAME#32mr : BinOpMR_RMW<BaseOpc, mnemonic, Xi32, opnode>;
- def NAME#64mr : BinOpMR_RMW<BaseOpc, mnemonic, Xi64, opnode>;
- }
- // NOTE: These are order specific, we want the mi8 forms to be listed
- // first so that they are slightly preferred to the mi forms.
- def NAME#16mi8 : BinOpMI8_RMW<mnemonic, Xi16, opnode, MemMRM>;
- def NAME#32mi8 : BinOpMI8_RMW<mnemonic, Xi32, opnode, MemMRM>;
- let Predicates = [In64BitMode] in
- def NAME#64mi8 : BinOpMI8_RMW<mnemonic, Xi64, opnode, MemMRM>;
- def NAME#8mi : BinOpMI_RMW<0x80, mnemonic, Xi8 , opnode, MemMRM>;
- def NAME#16mi : BinOpMI_RMW<0x80, mnemonic, Xi16, opnode, MemMRM>;
- def NAME#32mi : BinOpMI_RMW<0x80, mnemonic, Xi32, opnode, MemMRM>;
- let Predicates = [In64BitMode] in
- def NAME#64mi32 : BinOpMI_RMW<0x80, mnemonic, Xi64, opnode, MemMRM>;
- // These are for the disassembler since 0x82 opcode behaves like 0x80, but
- // not in 64-bit mode.
- let Predicates = [Not64BitMode], isCodeGenOnly = 1, ForceDisassemble = 1,
- hasSideEffects = 0 in {
- let Constraints = "$src1 = $dst" in
- def NAME#8ri8 : BinOpRI8_RF<0x82, mnemonic, Xi8, null_frag, RegMRM>;
- let mayLoad = 1, mayStore = 1 in
- def NAME#8mi8 : BinOpMI8_RMW<mnemonic, Xi8, null_frag, MemMRM>;
- }
- } // Defs = [EFLAGS]
- def NAME#8i8 : BinOpAI<BaseOpc4, mnemonic, Xi8 , AL,
- "{$src, %al|al, $src}">;
- def NAME#16i16 : BinOpAI<BaseOpc4, mnemonic, Xi16, AX,
- "{$src, %ax|ax, $src}">;
- def NAME#32i32 : BinOpAI<BaseOpc4, mnemonic, Xi32, EAX,
- "{$src, %eax|eax, $src}">;
- def NAME#64i32 : BinOpAI<BaseOpc4, mnemonic, Xi64, RAX,
- "{$src, %rax|rax, $src}">;
- }
- /// ArithBinOp_RFF - This is an arithmetic binary operator where the pattern is
- /// defined with "(set GPR:$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<bits<8> 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 = $dst" in {
- let isCommutable = CommutableRR in {
- def NAME#8rr : BinOpRR_RFF<BaseOpc, mnemonic, Xi8 , opnode>;
- let isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
- def NAME#16rr : BinOpRR_RFF<BaseOpc, mnemonic, Xi16, opnode>;
- def NAME#32rr : BinOpRR_RFF<BaseOpc, mnemonic, Xi32, opnode>;
- def NAME#64rr : BinOpRR_RFF<BaseOpc, mnemonic, Xi64, opnode>;
- } // isConvertibleToThreeAddress
- } // isCommutable
- def NAME#8rr_REV : BinOpRR_RFF_Rev<BaseOpc2, mnemonic, Xi8>, FoldGenData<NAME#8rr>;
- def NAME#16rr_REV : BinOpRR_RFF_Rev<BaseOpc2, mnemonic, Xi16>, FoldGenData<NAME#16rr>;
- def NAME#32rr_REV : BinOpRR_RFF_Rev<BaseOpc2, mnemonic, Xi32>, FoldGenData<NAME#32rr>;
- def NAME#64rr_REV : BinOpRR_RFF_Rev<BaseOpc2, mnemonic, Xi64>, FoldGenData<NAME#64rr>;
- def NAME#8rm : BinOpRM_RFF<BaseOpc2, mnemonic, Xi8 , opnode>;
- def NAME#16rm : BinOpRM_RFF<BaseOpc2, mnemonic, Xi16, opnode>;
- def NAME#32rm : BinOpRM_RFF<BaseOpc2, mnemonic, Xi32, opnode>;
- def NAME#64rm : BinOpRM_RFF<BaseOpc2, mnemonic, Xi64, opnode>;
- def NAME#8ri : BinOpRI_RFF<0x80, mnemonic, Xi8 , opnode, RegMRM>;
- let isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
- // NOTE: These are order specific, we want the ri8 forms to be listed
- // first so that they are slightly preferred to the ri forms.
- def NAME#16ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi16, opnode, RegMRM>;
- def NAME#32ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi32, opnode, RegMRM>;
- def NAME#64ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi64, opnode, RegMRM>;
- def NAME#16ri : BinOpRI_RFF<0x80, mnemonic, Xi16, opnode, RegMRM>;
- def NAME#32ri : BinOpRI_RFF<0x80, mnemonic, Xi32, opnode, RegMRM>;
- def NAME#64ri32: BinOpRI_RFF<0x80, mnemonic, Xi64, opnode, RegMRM>;
- }
- } // Constraints = "$src1 = $dst"
- def NAME#8mr : BinOpMR_RMW_FF<BaseOpc, mnemonic, Xi8 , opnode>;
- def NAME#16mr : BinOpMR_RMW_FF<BaseOpc, mnemonic, Xi16, opnode>;
- def NAME#32mr : BinOpMR_RMW_FF<BaseOpc, mnemonic, Xi32, opnode>;
- def NAME#64mr : BinOpMR_RMW_FF<BaseOpc, mnemonic, Xi64, opnode>;
- // NOTE: These are order specific, we want the mi8 forms to be listed
- // first so that they are slightly preferred to the mi forms.
- def NAME#16mi8 : BinOpMI8_RMW_FF<mnemonic, Xi16, opnode, MemMRM>;
- def NAME#32mi8 : BinOpMI8_RMW_FF<mnemonic, Xi32, opnode, MemMRM>;
- let Predicates = [In64BitMode] in
- def NAME#64mi8 : BinOpMI8_RMW_FF<mnemonic, Xi64, opnode, MemMRM>;
- def NAME#8mi : BinOpMI_RMW_FF<0x80, mnemonic, Xi8 , opnode, MemMRM>;
- def NAME#16mi : BinOpMI_RMW_FF<0x80, mnemonic, Xi16, opnode, MemMRM>;
- def NAME#32mi : BinOpMI_RMW_FF<0x80, mnemonic, Xi32, opnode, MemMRM>;
- let Predicates = [In64BitMode] in
- def NAME#64mi32 : BinOpMI_RMW_FF<0x80, mnemonic, Xi64, opnode, MemMRM>;
- // These are for the disassembler since 0x82 opcode behaves like 0x80, but
- // not in 64-bit mode.
- let Predicates = [Not64BitMode], isCodeGenOnly = 1, ForceDisassemble = 1,
- hasSideEffects = 0 in {
- let Constraints = "$src1 = $dst" in
- def NAME#8ri8 : BinOpRI8_RFF<0x82, mnemonic, Xi8, null_frag, RegMRM>;
- let mayLoad = 1, mayStore = 1 in
- def NAME#8mi8 : BinOpMI8_RMW_FF<mnemonic, Xi8, null_frag, MemMRM>;
- }
- } // Uses = [EFLAGS], Defs = [EFLAGS]
- def NAME#8i8 : BinOpAI_RFF<BaseOpc4, mnemonic, Xi8 , AL,
- "{$src, %al|al, $src}">;
- def NAME#16i16 : BinOpAI_RFF<BaseOpc4, mnemonic, Xi16, AX,
- "{$src, %ax|ax, $src}">;
- def NAME#32i32 : BinOpAI_RFF<BaseOpc4, mnemonic, Xi32, EAX,
- "{$src, %eax|eax, $src}">;
- def NAME#64i32 : BinOpAI_RFF<BaseOpc4, mnemonic, Xi64, RAX,
- "{$src, %rax|rax, $src}">;
- }
- /// 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<bits<8> 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<BaseOpc, mnemonic, Xi8 , opnode>;
- let isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
- def NAME#16rr : BinOpRR_F<BaseOpc, mnemonic, Xi16, opnode>;
- def NAME#32rr : BinOpRR_F<BaseOpc, mnemonic, Xi32, opnode>;
- def NAME#64rr : BinOpRR_F<BaseOpc, mnemonic, Xi64, opnode>;
- }
- } // isCommutable
- def NAME#8rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi8>, FoldGenData<NAME#8rr>;
- def NAME#16rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi16>, FoldGenData<NAME#16rr>;
- def NAME#32rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi32>, FoldGenData<NAME#32rr>;
- def NAME#64rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi64>, FoldGenData<NAME#64rr>;
- def NAME#8rm : BinOpRM_F<BaseOpc2, mnemonic, Xi8 , opnode>;
- def NAME#16rm : BinOpRM_F<BaseOpc2, mnemonic, Xi16, opnode>;
- def NAME#32rm : BinOpRM_F<BaseOpc2, mnemonic, Xi32, opnode>;
- def NAME#64rm : BinOpRM_F<BaseOpc2, mnemonic, Xi64, opnode>;
- def NAME#8ri : BinOpRI_F<0x80, mnemonic, Xi8 , opnode, RegMRM>;
- let isConvertibleToThreeAddress = ConvertibleToThreeAddress 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, opnode, RegMRM>;
- def NAME#32ri8 : BinOpRI8_F<0x82, mnemonic, Xi32, opnode, RegMRM>;
- def NAME#64ri8 : BinOpRI8_F<0x82, mnemonic, Xi64, opnode, 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<BaseOpc, mnemonic, Xi8 , opnode>;
- def NAME#16mr : BinOpMR_F<BaseOpc, mnemonic, Xi16, opnode>;
- def NAME#32mr : BinOpMR_F<BaseOpc, mnemonic, Xi32, opnode>;
- def NAME#64mr : BinOpMR_F<BaseOpc, mnemonic, Xi64, opnode>;
- // 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_F<mnemonic, Xi16, opnode, MemMRM>;
- def NAME#32mi8 : BinOpMI8_F<mnemonic, Xi32, opnode, MemMRM>;
- let Predicates = [In64BitMode] in
- def NAME#64mi8 : BinOpMI8_F<mnemonic, Xi64, opnode, MemMRM>;
- 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, null_frag, RegMRM>;
- let mayLoad = 1 in
- def NAME#8mi8 : BinOpMI8_F<mnemonic, Xi8, null_frag, MemMRM>;
- }
- } // Defs = [EFLAGS]
- def NAME#8i8 : BinOpAI_F<BaseOpc4, mnemonic, Xi8 , AL,
- "{$src, %al|al, $src}">;
- def NAME#16i16 : BinOpAI_F<BaseOpc4, mnemonic, Xi16, AX,
- "{$src, %ax|ax, $src}">;
- def NAME#32i32 : BinOpAI_F<BaseOpc4, mnemonic, Xi32, EAX,
- "{$src, %eax|eax, $src}">;
- def NAME#64i32 : BinOpAI_F<BaseOpc4, mnemonic, Xi64, RAX,
- "{$src, %rax|rax, $src}">;
- }
- defm AND : ArithBinOp_RF<0x20, 0x22, 0x24, "and", MRM4r, MRM4m,
- X86and_flag, and, 1, 0, 0>;
- defm OR : ArithBinOp_RF<0x08, 0x0A, 0x0C, "or", MRM1r, MRM1m,
- X86or_flag, or, 1, 0, 0>;
- defm XOR : ArithBinOp_RF<0x30, 0x32, 0x34, "xor", MRM6r, MRM6m,
- X86xor_flag, xor, 1, 0, 0>;
- defm ADD : ArithBinOp_RF<0x00, 0x02, 0x04, "add", MRM0r, MRM0m,
- X86add_flag, add, 1, 1, 1>;
- let isCompare = 1 in {
- defm SUB : ArithBinOp_RF<0x28, 0x2A, 0x2C, "sub", MRM5r, MRM5m,
- X86sub_flag, sub, 0, 1, 0>;
- }
- // Version of XOR8rr_NOREX that use GR8_NOREX. This is used by the handling of
- // __builtin_parity where the last step xors an h-register with an l-register.
- let isCodeGenOnly = 1, hasSideEffects = 0, Constraints = "$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:$src)>;
- // Patterns for basic arithmetic ops with relocImm for the immediate field.
- multiclass ArithBinOp_RF_relocImm_Pats<SDNode OpNodeFlag, SDNode OpNode> {
- def : Pat<(OpNodeFlag GR8:$src1, relocImm8_su:$src2),
- (!cast<Instruction>(NAME#"8ri") GR8:$src1, relocImm8_su:$src2)>;
- def : Pat<(OpNodeFlag GR16:$src1, i16relocImmSExt8_su:$src2),
- (!cast<Instruction>(NAME#"16ri8") GR16:$src1, i16relocImmSExt8_su:$src2)>;
- def : Pat<(OpNodeFlag GR16:$src1, relocImm16_su:$src2),
- (!cast<Instruction>(NAME#"16ri") GR16:$src1, relocImm16_su:$src2)>;
- def : Pat<(OpNodeFlag GR32:$src1, i32relocImmSExt8_su:$src2),
- (!cast<Instruction>(NAME#"32ri8") GR32:$src1, i32relocImmSExt8_su:$src2)>;
- def : Pat<(OpNodeFlag GR32:$src1, relocImm32_su:$src2),
- (!cast<Instruction>(NAME#"32ri") GR32:$src1, relocImm32_su:$src2)>;
- def : Pat<(OpNodeFlag GR64:$src1, i64relocImmSExt8_su:$src2),
- (!cast<Instruction>(NAME#"64ri8") GR64:$src1, i64relocImmSExt8_su:$src2)>;
- def : Pat<(OpNodeFlag GR64:$src1, i64relocImmSExt32_su:$src2),
- (!cast<Instruction>(NAME#"64ri32") GR64:$src1, i64relocImmSExt32_su:$src2)>;
- def : Pat<(store (OpNode (load addr:$dst), relocImm8_su:$src), addr:$dst),
- (!cast<Instruction>(NAME#"8mi") addr:$dst, relocImm8_su:$src)>;
- def : Pat<(store (OpNode (load addr:$dst), i16relocImmSExt8_su:$src), addr:$dst),
- (!cast<Instruction>(NAME#"16mi8") addr:$dst, i16relocImmSExt8_su:$src)>;
- def : Pat<(store (OpNode (load addr:$dst), relocImm16_su:$src), addr:$dst),
- (!cast<Instruction>(NAME#"16mi") addr:$dst, relocImm16_su:$src)>;
- def : Pat<(store (OpNode (load addr:$dst), i32relocImmSExt8_su:$src), addr:$dst),
- (!cast<Instruction>(NAME#"32mi8") addr:$dst, i32relocImmSExt8_su:$src)>;
- def : Pat<(store (OpNode (load addr:$dst), relocImm32_su:$src), addr:$dst),
- (!cast<Instruction>(NAME#"32mi") addr:$dst, relocImm32_su:$src)>;
- def : Pat<(store (OpNode (load addr:$dst), i64relocImmSExt8_su:$src), addr:$dst),
- (!cast<Instruction>(NAME#"64mi8") addr:$dst, i64relocImmSExt8_su:$src)>;
- def : Pat<(store (OpNode (load addr:$dst), i64relocImmSExt32_su:$src), addr:$dst),
- (!cast<Instruction>(NAME#"64mi32") addr:$dst, i64relocImmSExt32_su:$src)>;
- }
- multiclass ArithBinOp_RFF_relocImm_Pats<SDNode OpNodeFlag> {
- def : Pat<(OpNodeFlag GR8:$src1, relocImm8_su:$src2, EFLAGS),
- (!cast<Instruction>(NAME#"8ri") GR8:$src1, relocImm8_su:$src2)>;
- def : Pat<(OpNodeFlag GR16:$src1, i16relocImmSExt8_su:$src2, EFLAGS),
- (!cast<Instruction>(NAME#"16ri8") GR16:$src1, i16relocImmSExt8_su:$src2)>;
- def : Pat<(OpNodeFlag GR16:$src1, relocImm16_su:$src2, EFLAGS),
- (!cast<Instruction>(NAME#"16ri") GR16:$src1, relocImm16_su:$src2)>;
- def : Pat<(OpNodeFlag GR32:$src1, i32relocImmSExt8_su:$src2, EFLAGS),
- (!cast<Instruction>(NAME#"32ri8") GR32:$src1, i32relocImmSExt8_su:$src2)>;
- def : Pat<(OpNodeFlag GR32:$src1, relocImm32_su:$src2, EFLAGS),
- (!cast<Instruction>(NAME#"32ri") GR32:$src1, relocImm32_su:$src2)>;
- def : Pat<(OpNodeFlag GR64:$src1, i64relocImmSExt8_su:$src2, EFLAGS),
- (!cast<Instruction>(NAME#"64ri8") GR64:$src1, i64relocImmSExt8_su:$src2)>;
- def : Pat<(OpNodeFlag GR64:$src1, i64relocImmSExt32_su:$src2, EFLAGS),
- (!cast<Instruction>(NAME#"64ri32") GR64:$src1, i64relocImmSExt32_su:$src2)>;
- def : Pat<(store (OpNodeFlag (load addr:$dst), relocImm8_su:$src, EFLAGS), addr:$dst),
- (!cast<Instruction>(NAME#"8mi") addr:$dst, relocImm8_su:$src)>;
- def : Pat<(store (OpNodeFlag (load addr:$dst), i16relocImmSExt8_su:$src, EFLAGS), addr:$dst),
- (!cast<Instruction>(NAME#"16mi8") addr:$dst, i16relocImmSExt8_su:$src)>;
- def : Pat<(store (OpNodeFlag (load addr:$dst), relocImm16_su:$src, EFLAGS), addr:$dst),
- (!cast<Instruction>(NAME#"16mi") addr:$dst, relocImm16_su:$src)>;
- def : Pat<(store (OpNodeFlag (load addr:$dst), i32relocImmSExt8_su:$src, EFLAGS), addr:$dst),
- (!cast<Instruction>(NAME#"32mi8") addr:$dst, i32relocImmSExt8_su:$src)>;
- def : Pat<(store (OpNodeFlag (load addr:$dst), relocImm32_su:$src, EFLAGS), addr:$dst),
- (!cast<Instruction>(NAME#"32mi") addr:$dst, relocImm32_su:$src)>;
- def : Pat<(store (OpNodeFlag (load addr:$dst), i64relocImmSExt8_su:$src, EFLAGS), addr:$dst),
- (!cast<Instruction>(NAME#"64mi8") addr:$dst, i64relocImmSExt8_su:$src)>;
- def : Pat<(store (OpNodeFlag (load addr:$dst), i64relocImmSExt32_su:$src, EFLAGS), addr:$dst),
- (!cast<Instruction>(NAME#"64mi32") addr:$dst, i64relocImmSExt32_su:$src)>;
- }
- multiclass ArithBinOp_F_relocImm_Pats<SDNode OpNodeFlag> {
- def : Pat<(OpNodeFlag GR8:$src1, relocImm8_su:$src2),
- (!cast<Instruction>(NAME#"8ri") GR8:$src1, relocImm8_su:$src2)>;
- def : Pat<(OpNodeFlag GR16:$src1, i16relocImmSExt8_su:$src2),
- (!cast<Instruction>(NAME#"16ri8") GR16:$src1, i16relocImmSExt8_su:$src2)>;
- def : Pat<(OpNodeFlag GR16:$src1, relocImm16_su:$src2),
- (!cast<Instruction>(NAME#"16ri") GR16:$src1, relocImm16_su:$src2)>;
- def : Pat<(OpNodeFlag GR32:$src1, i32relocImmSExt8_su:$src2),
- (!cast<Instruction>(NAME#"32ri8") GR32:$src1, i32relocImmSExt8_su:$src2)>;
- def : Pat<(OpNodeFlag GR32:$src1, relocImm32_su:$src2),
- (!cast<Instruction>(NAME#"32ri") GR32:$src1, relocImm32_su:$src2)>;
- def : Pat<(OpNodeFlag GR64:$src1, i64relocImmSExt8_su:$src2),
- (!cast<Instruction>(NAME#"64ri8") GR64:$src1, i64relocImmSExt8_su:$src2)>;
- def : Pat<(OpNodeFlag GR64:$src1, i64relocImmSExt32_su:$src2),
- (!cast<Instruction>(NAME#"64ri32") GR64:$src1, i64relocImmSExt32_su:$src2)>;
- def : Pat<(OpNodeFlag (loadi8 addr:$src1), relocImm8_su:$src2),
- (!cast<Instruction>(NAME#"8mi") addr:$src1, relocImm8_su:$src2)>;
- def : Pat<(OpNodeFlag (loadi16 addr:$src1), i16relocImmSExt8_su:$src2),
- (!cast<Instruction>(NAME#"16mi8") addr:$src1, i16relocImmSExt8_su:$src2)>;
- def : Pat<(OpNodeFlag (loadi16 addr:$src1), relocImm16_su:$src2),
- (!cast<Instruction>(NAME#"16mi") addr:$src1, relocImm16_su:$src2)>;
- def : Pat<(OpNodeFlag (loadi32 addr:$src1), i32relocImmSExt8_su:$src2),
- (!cast<Instruction>(NAME#"32mi8") addr:$src1, i32relocImmSExt8_su:$src2)>;
- def : Pat<(OpNodeFlag (loadi32 addr:$src1), relocImm32_su:$src2),
- (!cast<Instruction>(NAME#"32mi") addr:$src1, relocImm32_su:$src2)>;
- def : Pat<(OpNodeFlag (loadi64 addr:$src1), i64relocImmSExt8_su:$src2),
- (!cast<Instruction>(NAME#"64mi8") addr:$src1, i64relocImmSExt8_su:$src2)>;
- def : Pat<(OpNodeFlag (loadi64 addr:$src1), i64relocImmSExt32_su:$src2),
- (!cast<Instruction>(NAME#"64mi32") addr:$src1, i64relocImmSExt32_su:$src2)>;
- }
- defm AND : ArithBinOp_RF_relocImm_Pats<X86and_flag, and>;
- defm OR : ArithBinOp_RF_relocImm_Pats<X86or_flag, or>;
- defm XOR : ArithBinOp_RF_relocImm_Pats<X86xor_flag, xor>;
- defm ADD : ArithBinOp_RF_relocImm_Pats<X86add_flag, add>;
- defm SUB : ArithBinOp_RF_relocImm_Pats<X86sub_flag, sub>;
- defm ADC : ArithBinOp_RFF_relocImm_Pats<X86adc_flag>;
- defm SBB : ArithBinOp_RFF_relocImm_Pats<X86sbb_flag>;
- defm CMP : ArithBinOp_F_relocImm_Pats<X86cmp>;
- // ADC is commutable, but we can't indicate that to tablegen. So manually
- // reverse the operands.
- def : Pat<(X86adc_flag GR8:$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:$src2)>;
- //===----------------------------------------------------------------------===//
- // ANDN Instruction
- //
- multiclass bmi_andn<string mnemonic, RegisterClass RC, X86MemOperand x86memop,
- PatFrag ld_frag, X86FoldableSchedWrite sched> {
- def rr : I<0xF2, MRMSrcReg, (outs RC:$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, VEX_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<string mnemonic, RegisterClass RC, X86MemOperand x86memop,
- X86FoldableSchedWrite sched> {
- 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:$src),
- []>, Sched<[sched.Folded]>;
- }
- }
- let Predicates = [HasBMI2] in {
- let Uses = [EDX] in
- defm MULX32 : bmi_mulx<"mulx{l}", GR32, i32mem, WriteMULX32>;
- let Uses = [RDX] in
- defm MULX64 : bmi_mulx<"mulx{q}", GR64, i64mem, WriteMULX64>, VEX_W;
- }
- //===----------------------------------------------------------------------===//
- // ADCX and ADOX Instructions
- //
- // We don't have patterns for these as there is no advantage over ADC for
- // most code.
- let Predicates = [HasADX], Defs = [EFLAGS], Uses = [EFLAGS],
- Constraints = "$src1 = $dst", hasSideEffects = 0 in {
- let SchedRW = [WriteADC], isCommutable = 1 in {
- def ADCX32rr : I<0xF6, MRMSrcReg, (outs GR32:$dst),
- (ins GR32:$src1, GR32:$src2),
- "adcx{l}\t{$src2, $dst|$dst, $src2}", []>, T8PD;
- def ADCX64rr : RI<0xF6, MRMSrcReg, (outs GR64:$dst),
- (ins GR64:$src1, GR64:$src2),
- "adcx{q}\t{$src2, $dst|$dst, $src2}", []>, T8PD;
- def ADOX32rr : I<0xF6, MRMSrcReg, (outs GR32:$dst),
- (ins GR32:$src1, GR32:$src2),
- "adox{l}\t{$src2, $dst|$dst, $src2}", []>, T8XS;
- def ADOX64rr : RI<0xF6, MRMSrcReg, (outs GR64:$dst),
- (ins GR64:$src1, GR64:$src2),
- "adox{q}\t{$src2, $dst|$dst, $src2}", []>, T8XS;
- } // SchedRW
- let mayLoad = 1,
- SchedRW = [WriteADC.Folded, WriteADC.ReadAfterFold,
- // Memory operand.
- ReadDefault, ReadDefault, ReadDefault, ReadDefault, ReadDefault,
- // Implicit read of EFLAGS
- WriteADC.ReadAfterFold] in {
- def ADCX32rm : I<0xF6, MRMSrcMem, (outs GR32:$dst),
- (ins GR32:$src1, i32mem:$src2),
- "adcx{l}\t{$src2, $dst|$dst, $src2}", []>, T8PD;
- def ADCX64rm : RI<0xF6, MRMSrcMem, (outs GR64:$dst),
- (ins GR64:$src1, i64mem:$src2),
- "adcx{q}\t{$src2, $dst|$dst, $src2}", []>, T8PD;
- def ADOX32rm : I<0xF6, MRMSrcMem, (outs GR32:$dst),
- (ins GR32:$src1, i32mem:$src2),
- "adox{l}\t{$src2, $dst|$dst, $src2}", []>, T8XS;
- def ADOX64rm : RI<0xF6, MRMSrcMem, (outs GR64:$dst),
- (ins GR64:$src1, i64mem:$src2),
- "adox{q}\t{$src2, $dst|$dst, $src2}", []>, T8XS;
- } // mayLoad, SchedRW
- }
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