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888 lines
34 KiB
TableGen
888 lines
34 KiB
TableGen
//===- MBlazeInstrInfo.td - MBlaze Instruction defs --------*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// Instruction format superclass
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//===----------------------------------------------------------------------===//
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include "MBlazeInstrFormats.td"
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//===----------------------------------------------------------------------===//
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// MBlaze type profiles
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//===----------------------------------------------------------------------===//
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// def SDTMBlazeSelectCC : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>]>;
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def SDT_MBlazeRet : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
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def SDT_MBlazeIRet : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
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def SDT_MBlazeJmpLink : SDTypeProfile<0, -1, [SDTCisVT<0, i32>]>;
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def SDT_MBCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
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def SDT_MBCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
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//===----------------------------------------------------------------------===//
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// MBlaze specific nodes
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//===----------------------------------------------------------------------===//
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def MBlazeRet : SDNode<"MBlazeISD::Ret", SDT_MBlazeRet,
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[SDNPHasChain, SDNPOptInGlue]>;
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def MBlazeIRet : SDNode<"MBlazeISD::IRet", SDT_MBlazeIRet,
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[SDNPHasChain, SDNPOptInGlue]>;
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def MBlazeJmpLink : SDNode<"MBlazeISD::JmpLink",SDT_MBlazeJmpLink,
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[SDNPHasChain,SDNPOptInGlue,SDNPOutGlue,
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SDNPVariadic]>;
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def MBWrapper : SDNode<"MBlazeISD::Wrap", SDTIntUnaryOp>;
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def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MBCallSeqStart,
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[SDNPHasChain, SDNPOutGlue]>;
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def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MBCallSeqEnd,
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[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
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//===----------------------------------------------------------------------===//
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// MBlaze Instruction Predicate Definitions.
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//===----------------------------------------------------------------------===//
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// def HasPipe3 : Predicate<"Subtarget.hasPipe3()">;
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def HasBarrel : Predicate<"Subtarget.hasBarrel()">;
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// def NoBarrel : Predicate<"!Subtarget.hasBarrel()">;
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def HasDiv : Predicate<"Subtarget.hasDiv()">;
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def HasMul : Predicate<"Subtarget.hasMul()">;
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// def HasFSL : Predicate<"Subtarget.hasFSL()">;
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// def HasEFSL : Predicate<"Subtarget.hasEFSL()">;
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// def HasMSRSet : Predicate<"Subtarget.hasMSRSet()">;
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// def HasException : Predicate<"Subtarget.hasException()">;
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def HasPatCmp : Predicate<"Subtarget.hasPatCmp()">;
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def HasFPU : Predicate<"Subtarget.hasFPU()">;
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// def HasESR : Predicate<"Subtarget.hasESR()">;
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// def HasPVR : Predicate<"Subtarget.hasPVR()">;
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def HasMul64 : Predicate<"Subtarget.hasMul64()">;
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def HasSqrt : Predicate<"Subtarget.hasSqrt()">;
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// def HasMMU : Predicate<"Subtarget.hasMMU()">;
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//===----------------------------------------------------------------------===//
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// MBlaze Operand, Complex Patterns and Transformations Definitions.
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//===----------------------------------------------------------------------===//
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def MBlazeMemAsmOperand : AsmOperandClass {
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let Name = "Mem";
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let SuperClasses = [];
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}
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def MBlazeFslAsmOperand : AsmOperandClass {
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let Name = "Fsl";
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let SuperClasses = [];
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}
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// Instruction operand types
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def brtarget : Operand<OtherVT>;
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def calltarget : Operand<i32>;
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def simm16 : Operand<i32>;
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def uimm5 : Operand<i32>;
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def uimm15 : Operand<i32>;
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def fimm : Operand<f32>;
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// Unsigned Operand
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def uimm16 : Operand<i32> {
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let PrintMethod = "printUnsignedImm";
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}
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// FSL Operand
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def fslimm : Operand<i32> {
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let PrintMethod = "printFSLImm";
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let ParserMatchClass = MBlazeFslAsmOperand;
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}
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// Address operand
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def memri : Operand<i32> {
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let PrintMethod = "printMemOperand";
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let MIOperandInfo = (ops GPR, simm16);
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let ParserMatchClass = MBlazeMemAsmOperand;
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}
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def memrr : Operand<i32> {
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let PrintMethod = "printMemOperand";
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let MIOperandInfo = (ops GPR, GPR);
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let ParserMatchClass = MBlazeMemAsmOperand;
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}
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// Node immediate fits as 16-bit sign extended on target immediate.
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def immSExt16 : PatLeaf<(imm), [{
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return (N->getZExtValue() >> 16) == 0;
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}]>;
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// Node immediate fits as 16-bit zero extended on target immediate.
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// The LO16 param means that only the lower 16 bits of the node
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// immediate are caught.
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// e.g. addiu, sltiu
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def immZExt16 : PatLeaf<(imm), [{
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return (N->getZExtValue() >> 16) == 0;
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}]>;
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// FSL immediate field must fit in 4 bits.
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def immZExt4 : PatLeaf<(imm), [{
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return N->getZExtValue() == ((N->getZExtValue()) & 0xf) ;
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}]>;
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// shamt field must fit in 5 bits.
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def immZExt5 : PatLeaf<(imm), [{
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return N->getZExtValue() == ((N->getZExtValue()) & 0x1f) ;
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}]>;
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// MBlaze Address Mode. SDNode frameindex could possibily be a match
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// since load and store instructions from stack used it.
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def iaddr : ComplexPattern<i32, 2, "SelectAddrRegImm", [frameindex], []>;
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def xaddr : ComplexPattern<i32, 2, "SelectAddrRegReg", [], []>;
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//===----------------------------------------------------------------------===//
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// Pseudo instructions
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//===----------------------------------------------------------------------===//
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// As stack alignment is always done with addiu, we need a 16-bit immediate
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let Defs = [R1], Uses = [R1] in {
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def ADJCALLSTACKDOWN : MBlazePseudo<(outs), (ins simm16:$amt),
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"#ADJCALLSTACKDOWN $amt",
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[(callseq_start timm:$amt)]>;
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def ADJCALLSTACKUP : MBlazePseudo<(outs),
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(ins uimm16:$amt1, simm16:$amt2),
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"#ADJCALLSTACKUP $amt1",
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[(callseq_end timm:$amt1, timm:$amt2)]>;
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}
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//===----------------------------------------------------------------------===//
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// Instructions specific format
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// Arithmetic Instructions
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//===----------------------------------------------------------------------===//
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class Arith<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode,
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InstrItinClass itin> :
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TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], itin>;
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class ArithI<bits<6> op, string instr_asm, SDNode OpNode,
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Operand Od, PatLeaf imm_type> :
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TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[(set GPR:$dst, (OpNode GPR:$b, imm_type:$c))], IIC_ALU>;
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class ArithI32<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
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TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[], IIC_ALU>;
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class ShiftI<bits<6> op, bits<2> flags, string instr_asm, SDNode OpNode,
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Operand Od, PatLeaf imm_type> :
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SHT<op, flags, (outs GPR:$dst), (ins GPR:$b, Od:$c),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[(set GPR:$dst, (OpNode GPR:$b, imm_type:$c))], IIC_SHT>;
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class ArithR<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode,
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InstrItinClass itin> :
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TAR<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
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!strconcat(instr_asm, " $dst, $c, $b"),
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[(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], itin>;
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class ArithRI<bits<6> op, string instr_asm, SDNode OpNode,
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Operand Od, PatLeaf imm_type> :
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TBR<op, (outs GPR:$dst), (ins Od:$b, GPR:$c),
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!strconcat(instr_asm, " $dst, $c, $b"),
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[(set GPR:$dst, (OpNode imm_type:$b, GPR:$c))], IIC_ALU>;
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class ArithN<bits<6> op, bits<11> flags, string instr_asm,
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InstrItinClass itin> :
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TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[], itin>;
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class ArithNI<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
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TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[], IIC_ALU>;
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class ArithRN<bits<6> op, bits<11> flags, string instr_asm,
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InstrItinClass itin> :
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TAR<op, flags, (outs GPR:$dst), (ins GPR:$c, GPR:$b),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[], itin>;
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class ArithRNI<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
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TBR<op, (outs GPR:$dst), (ins Od:$c, GPR:$b),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[], IIC_ALU>;
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//===----------------------------------------------------------------------===//
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// Misc Arithmetic Instructions
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//===----------------------------------------------------------------------===//
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class Logic<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode> :
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TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], IIC_ALU>;
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class LogicI<bits<6> op, string instr_asm, SDNode OpNode> :
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TB<op, (outs GPR:$dst), (ins GPR:$b, uimm16:$c),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[(set GPR:$dst, (OpNode GPR:$b, immZExt16:$c))],
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IIC_ALU>;
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class LogicI32<bits<6> op, string instr_asm> :
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TB<op, (outs GPR:$dst), (ins GPR:$b, uimm16:$c),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[], IIC_ALU>;
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class PatCmp<bits<6> op, bits<11> flags, string instr_asm> :
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TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[], IIC_ALU>;
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//===----------------------------------------------------------------------===//
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// Memory Access Instructions
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//===----------------------------------------------------------------------===//
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let mayLoad = 1 in {
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class LoadM<bits<6> op, bits<11> flags, string instr_asm> :
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TA<op, flags, (outs GPR:$dst), (ins memrr:$addr),
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!strconcat(instr_asm, " $dst, $addr"),
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[], IIC_MEMl>;
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}
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class LoadMI<bits<6> op, string instr_asm, PatFrag OpNode> :
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TB<op, (outs GPR:$dst), (ins memri:$addr),
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!strconcat(instr_asm, " $dst, $addr"),
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[(set (i32 GPR:$dst), (OpNode iaddr:$addr))], IIC_MEMl>;
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let mayStore = 1 in {
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class StoreM<bits<6> op, bits<11> flags, string instr_asm> :
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TA<op, flags, (outs), (ins GPR:$dst, memrr:$addr),
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!strconcat(instr_asm, " $dst, $addr"),
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[], IIC_MEMs>;
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}
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class StoreMI<bits<6> op, string instr_asm, PatFrag OpNode> :
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TB<op, (outs), (ins GPR:$dst, memri:$addr),
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!strconcat(instr_asm, " $dst, $addr"),
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[(OpNode (i32 GPR:$dst), iaddr:$addr)], IIC_MEMs>;
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//===----------------------------------------------------------------------===//
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// Branch Instructions
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//===----------------------------------------------------------------------===//
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class Branch<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
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TA<op, flags, (outs), (ins GPR:$target),
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!strconcat(instr_asm, " $target"),
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[], IIC_BR> {
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let rd = 0x0;
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let ra = br;
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let Form = FCCR;
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}
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class BranchI<bits<6> op, bits<5> br, string instr_asm> :
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TB<op, (outs), (ins brtarget:$target),
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!strconcat(instr_asm, " $target"),
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[], IIC_BR> {
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let rd = 0;
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let ra = br;
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let Form = FCCI;
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}
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//===----------------------------------------------------------------------===//
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// Branch and Link Instructions
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//===----------------------------------------------------------------------===//
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class BranchL<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
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TA<op, flags, (outs), (ins GPR:$link, GPR:$target, variable_ops),
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!strconcat(instr_asm, " $link, $target"),
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[], IIC_BRl> {
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let ra = br;
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let Form = FRCR;
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}
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class BranchLI<bits<6> op, bits<5> br, string instr_asm> :
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TB<op, (outs), (ins GPR:$link, calltarget:$target, variable_ops),
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!strconcat(instr_asm, " $link, $target"),
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[], IIC_BRl> {
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let ra = br;
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let Form = FRCI;
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}
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//===----------------------------------------------------------------------===//
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// Conditional Branch Instructions
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//===----------------------------------------------------------------------===//
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class BranchC<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
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TA<op, flags, (outs),
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(ins GPR:$a, GPR:$b),
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!strconcat(instr_asm, " $a, $b"),
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[], IIC_BRc> {
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let rd = br;
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let Form = FCRR;
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}
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class BranchCI<bits<6> op, bits<5> br, string instr_asm> :
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TB<op, (outs), (ins GPR:$a, brtarget:$offset),
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!strconcat(instr_asm, " $a, $offset"),
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[], IIC_BRc> {
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let rd = br;
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let Form = FCRI;
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}
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//===----------------------------------------------------------------------===//
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// MBlaze arithmetic instructions
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//===----------------------------------------------------------------------===//
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let isCommutable = 1, isAsCheapAsAMove = 1 in {
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def ADDK : Arith<0x04, 0x000, "addk ", add, IIC_ALU>;
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def AND : Logic<0x21, 0x000, "and ", and>;
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def OR : Logic<0x20, 0x000, "or ", or>;
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def XOR : Logic<0x22, 0x000, "xor ", xor>;
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let Predicates=[HasPatCmp] in {
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def PCMPBF : PatCmp<0x20, 0x400, "pcmpbf ">;
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def PCMPEQ : PatCmp<0x22, 0x400, "pcmpeq ">;
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def PCMPNE : PatCmp<0x23, 0x400, "pcmpne ">;
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}
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let Defs = [CARRY] in {
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def ADD : Arith<0x00, 0x000, "add ", addc, IIC_ALU>;
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let Uses = [CARRY] in {
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def ADDC : Arith<0x02, 0x000, "addc ", adde, IIC_ALU>;
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}
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}
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let Uses = [CARRY] in {
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def ADDKC : ArithN<0x06, 0x000, "addkc ", IIC_ALU>;
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}
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}
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let isAsCheapAsAMove = 1 in {
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def ANDN : ArithN<0x23, 0x000, "andn ", IIC_ALU>;
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def CMP : ArithN<0x05, 0x001, "cmp ", IIC_ALU>;
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def CMPU : ArithN<0x05, 0x003, "cmpu ", IIC_ALU>;
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def RSUBK : ArithR<0x05, 0x000, "rsubk ", sub, IIC_ALU>;
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let Defs = [CARRY] in {
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def RSUB : ArithR<0x01, 0x000, "rsub ", subc, IIC_ALU>;
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let Uses = [CARRY] in {
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def RSUBC : ArithR<0x03, 0x000, "rsubc ", sube, IIC_ALU>;
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}
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}
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let Uses = [CARRY] in {
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def RSUBKC : ArithRN<0x07, 0x000, "rsubkc ", IIC_ALU>;
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}
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}
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let isCommutable = 1, Predicates=[HasMul] in {
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def MUL : Arith<0x10, 0x000, "mul ", mul, IIC_ALUm>;
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}
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let isCommutable = 1, Predicates=[HasMul,HasMul64] in {
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def MULH : Arith<0x10, 0x001, "mulh ", mulhs, IIC_ALUm>;
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def MULHU : Arith<0x10, 0x003, "mulhu ", mulhu, IIC_ALUm>;
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}
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let Predicates=[HasMul,HasMul64] in {
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def MULHSU : ArithN<0x10, 0x002, "mulhsu ", IIC_ALUm>;
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}
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let Predicates=[HasBarrel] in {
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def BSRL : Arith<0x11, 0x000, "bsrl ", srl, IIC_SHT>;
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def BSRA : Arith<0x11, 0x200, "bsra ", sra, IIC_SHT>;
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def BSLL : Arith<0x11, 0x400, "bsll ", shl, IIC_SHT>;
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def BSRLI : ShiftI<0x19, 0x0, "bsrli ", srl, uimm5, immZExt5>;
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def BSRAI : ShiftI<0x19, 0x1, "bsrai ", sra, uimm5, immZExt5>;
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def BSLLI : ShiftI<0x19, 0x2, "bslli ", shl, uimm5, immZExt5>;
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}
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let Predicates=[HasDiv] in {
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def IDIV : ArithR<0x12, 0x000, "idiv ", sdiv, IIC_ALUd>;
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def IDIVU : ArithR<0x12, 0x002, "idivu ", udiv, IIC_ALUd>;
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}
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//===----------------------------------------------------------------------===//
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// MBlaze immediate mode arithmetic instructions
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//===----------------------------------------------------------------------===//
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let isAsCheapAsAMove = 1 in {
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def ADDIK : ArithI<0x0C, "addik ", add, simm16, immSExt16>;
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def RSUBIK : ArithRI<0x0D, "rsubik ", sub, simm16, immSExt16>;
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def ANDNI : ArithNI<0x2B, "andni ", uimm16, immZExt16>;
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def ANDI : LogicI<0x29, "andi ", and>;
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def ORI : LogicI<0x28, "ori ", or>;
|
|
def XORI : LogicI<0x2A, "xori ", xor>;
|
|
|
|
let Defs = [CARRY] in {
|
|
def ADDI : ArithI<0x08, "addi ", addc, simm16, immSExt16>;
|
|
def RSUBI : ArithRI<0x09, "rsubi ", subc, simm16, immSExt16>;
|
|
|
|
let Uses = [CARRY] in {
|
|
def ADDIC : ArithI<0x0A, "addic ", adde, simm16, immSExt16>;
|
|
def RSUBIC : ArithRI<0x0B, "rsubic ", sube, simm16, immSExt16>;
|
|
}
|
|
}
|
|
|
|
let Uses = [CARRY] in {
|
|
def ADDIKC : ArithNI<0x0E, "addikc ", simm16, immSExt16>;
|
|
def RSUBIKC : ArithRNI<0x0F, "rsubikc", simm16, immSExt16>;
|
|
}
|
|
}
|
|
|
|
let Predicates=[HasMul] in {
|
|
def MULI : ArithI<0x18, "muli ", mul, simm16, immSExt16>;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// MBlaze memory access instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let canFoldAsLoad = 1, isReMaterializable = 1 in {
|
|
def LBU : LoadM<0x30, 0x000, "lbu ">;
|
|
def LBUR : LoadM<0x30, 0x200, "lbur ">;
|
|
|
|
def LHU : LoadM<0x31, 0x000, "lhu ">;
|
|
def LHUR : LoadM<0x31, 0x200, "lhur ">;
|
|
|
|
def LW : LoadM<0x32, 0x000, "lw ">;
|
|
def LWR : LoadM<0x32, 0x200, "lwr ">;
|
|
|
|
let Defs = [CARRY] in {
|
|
def LWX : LoadM<0x32, 0x400, "lwx ">;
|
|
}
|
|
|
|
def LBUI : LoadMI<0x38, "lbui ", zextloadi8>;
|
|
def LHUI : LoadMI<0x39, "lhui ", zextloadi16>;
|
|
def LWI : LoadMI<0x3A, "lwi ", load>;
|
|
}
|
|
|
|
def SB : StoreM<0x34, 0x000, "sb ">;
|
|
def SBR : StoreM<0x34, 0x200, "sbr ">;
|
|
|
|
def SH : StoreM<0x35, 0x000, "sh ">;
|
|
def SHR : StoreM<0x35, 0x200, "shr ">;
|
|
|
|
def SW : StoreM<0x36, 0x000, "sw ">;
|
|
def SWR : StoreM<0x36, 0x200, "swr ">;
|
|
|
|
let Defs = [CARRY] in {
|
|
def SWX : StoreM<0x36, 0x400, "swx ">;
|
|
}
|
|
|
|
def SBI : StoreMI<0x3C, "sbi ", truncstorei8>;
|
|
def SHI : StoreMI<0x3D, "shi ", truncstorei16>;
|
|
def SWI : StoreMI<0x3E, "swi ", store>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// MBlaze branch instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, isBarrier = 1 in {
|
|
def BRI : BranchI<0x2E, 0x00, "bri ">;
|
|
def BRAI : BranchI<0x2E, 0x08, "brai ">;
|
|
}
|
|
|
|
let isBranch = 1, isTerminator = 1, hasCtrlDep = 1 in {
|
|
def BEQI : BranchCI<0x2F, 0x00, "beqi ">;
|
|
def BNEI : BranchCI<0x2F, 0x01, "bnei ">;
|
|
def BLTI : BranchCI<0x2F, 0x02, "blti ">;
|
|
def BLEI : BranchCI<0x2F, 0x03, "blei ">;
|
|
def BGTI : BranchCI<0x2F, 0x04, "bgti ">;
|
|
def BGEI : BranchCI<0x2F, 0x05, "bgei ">;
|
|
}
|
|
|
|
let isBranch = 1, isIndirectBranch = 1, isTerminator = 1, hasCtrlDep = 1,
|
|
isBarrier = 1 in {
|
|
def BR : Branch<0x26, 0x00, 0x000, "br ">;
|
|
def BRA : Branch<0x26, 0x08, 0x000, "bra ">;
|
|
}
|
|
|
|
let isBranch = 1, isIndirectBranch = 1, isTerminator = 1, hasCtrlDep = 1 in {
|
|
def BEQ : BranchC<0x27, 0x00, 0x000, "beq ">;
|
|
def BNE : BranchC<0x27, 0x01, 0x000, "bne ">;
|
|
def BLT : BranchC<0x27, 0x02, 0x000, "blt ">;
|
|
def BLE : BranchC<0x27, 0x03, 0x000, "ble ">;
|
|
def BGT : BranchC<0x27, 0x04, 0x000, "bgt ">;
|
|
def BGE : BranchC<0x27, 0x05, 0x000, "bge ">;
|
|
}
|
|
|
|
let isBranch = 1, isTerminator = 1, hasDelaySlot = 1, hasCtrlDep = 1,
|
|
isBarrier = 1 in {
|
|
def BRID : BranchI<0x2E, 0x10, "brid ">;
|
|
def BRAID : BranchI<0x2E, 0x18, "braid ">;
|
|
}
|
|
|
|
let isBranch = 1, isTerminator = 1, hasDelaySlot = 1, hasCtrlDep = 1 in {
|
|
def BEQID : BranchCI<0x2F, 0x10, "beqid ">;
|
|
def BNEID : BranchCI<0x2F, 0x11, "bneid ">;
|
|
def BLTID : BranchCI<0x2F, 0x12, "bltid ">;
|
|
def BLEID : BranchCI<0x2F, 0x13, "bleid ">;
|
|
def BGTID : BranchCI<0x2F, 0x14, "bgtid ">;
|
|
def BGEID : BranchCI<0x2F, 0x15, "bgeid ">;
|
|
}
|
|
|
|
let isBranch = 1, isIndirectBranch = 1, isTerminator = 1,
|
|
hasDelaySlot = 1, hasCtrlDep = 1, isBarrier = 1 in {
|
|
def BRD : Branch<0x26, 0x10, 0x000, "brd ">;
|
|
def BRAD : Branch<0x26, 0x18, 0x000, "brad ">;
|
|
}
|
|
|
|
let isBranch = 1, isIndirectBranch = 1, isTerminator = 1,
|
|
hasDelaySlot = 1, hasCtrlDep = 1 in {
|
|
def BEQD : BranchC<0x27, 0x10, 0x000, "beqd ">;
|
|
def BNED : BranchC<0x27, 0x11, 0x000, "bned ">;
|
|
def BLTD : BranchC<0x27, 0x12, 0x000, "bltd ">;
|
|
def BLED : BranchC<0x27, 0x13, 0x000, "bled ">;
|
|
def BGTD : BranchC<0x27, 0x14, 0x000, "bgtd ">;
|
|
def BGED : BranchC<0x27, 0x15, 0x000, "bged ">;
|
|
}
|
|
|
|
let isCall =1, hasDelaySlot = 1,
|
|
Defs = [R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,CARRY],
|
|
Uses = [R1] in {
|
|
def BRLID : BranchLI<0x2E, 0x14, "brlid ">;
|
|
def BRALID : BranchLI<0x2E, 0x1C, "bralid ">;
|
|
}
|
|
|
|
let isCall = 1, hasDelaySlot = 1,
|
|
Defs = [R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,CARRY],
|
|
Uses = [R1] in {
|
|
def BRLD : BranchL<0x26, 0x14, 0x000, "brld ">;
|
|
def BRALD : BranchL<0x26, 0x1C, 0x000, "brald ">;
|
|
}
|
|
|
|
let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
|
|
rd=0x10, Form=FCRI in {
|
|
def RTSD : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
|
|
"rtsd $target, $imm",
|
|
[],
|
|
IIC_BR>;
|
|
}
|
|
|
|
let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
|
|
rd=0x11, Form=FCRI in {
|
|
def RTID : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
|
|
"rtid $target, $imm",
|
|
[],
|
|
IIC_BR>;
|
|
}
|
|
|
|
let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
|
|
rd=0x12, Form=FCRI in {
|
|
def RTBD : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
|
|
"rtbd $target, $imm",
|
|
[],
|
|
IIC_BR>;
|
|
}
|
|
|
|
let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1,
|
|
rd=0x14, Form=FCRI in {
|
|
def RTED : TB<0x2D, (outs), (ins GPR:$target, simm16:$imm),
|
|
"rted $target, $imm",
|
|
[],
|
|
IIC_BR>;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// MBlaze misc instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let neverHasSideEffects = 1 in {
|
|
def NOP : MBlazeInst< 0x20, FC, (outs), (ins), "nop ", [], IIC_ALU>;
|
|
}
|
|
|
|
let usesCustomInserter = 1 in {
|
|
def Select_CC : MBlazePseudo<(outs GPR:$dst),
|
|
(ins GPR:$T, GPR:$F, GPR:$CMP, i32imm:$CC), // F T reversed
|
|
"; SELECT_CC PSEUDO!",
|
|
[]>;
|
|
|
|
def ShiftL : MBlazePseudo<(outs GPR:$dst),
|
|
(ins GPR:$L, GPR:$R),
|
|
"; ShiftL PSEUDO!",
|
|
[]>;
|
|
|
|
def ShiftRA : MBlazePseudo<(outs GPR:$dst),
|
|
(ins GPR:$L, GPR:$R),
|
|
"; ShiftRA PSEUDO!",
|
|
[]>;
|
|
|
|
def ShiftRL : MBlazePseudo<(outs GPR:$dst),
|
|
(ins GPR:$L, GPR:$R),
|
|
"; ShiftRL PSEUDO!",
|
|
[]>;
|
|
}
|
|
|
|
let rb = 0 in {
|
|
def SEXT16 : TA<0x24, 0x061, (outs GPR:$dst), (ins GPR:$src),
|
|
"sext16 $dst, $src", [], IIC_ALU>;
|
|
def SEXT8 : TA<0x24, 0x060, (outs GPR:$dst), (ins GPR:$src),
|
|
"sext8 $dst, $src", [], IIC_ALU>;
|
|
let Defs = [CARRY] in {
|
|
def SRL : TA<0x24, 0x041, (outs GPR:$dst), (ins GPR:$src),
|
|
"srl $dst, $src", [], IIC_ALU>;
|
|
def SRA : TA<0x24, 0x001, (outs GPR:$dst), (ins GPR:$src),
|
|
"sra $dst, $src", [], IIC_ALU>;
|
|
let Uses = [CARRY] in {
|
|
def SRC : TA<0x24, 0x021, (outs GPR:$dst), (ins GPR:$src),
|
|
"src $dst, $src", [], IIC_ALU>;
|
|
}
|
|
}
|
|
}
|
|
|
|
let isCodeGenOnly=1 in {
|
|
def ADDIK32 : ArithI32<0x08, "addik ", simm16, immSExt16>;
|
|
def ORI32 : LogicI32<0x28, "ori ">;
|
|
def BRLID32 : BranchLI<0x2E, 0x14, "brlid ">;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Misc. instructions
|
|
//===----------------------------------------------------------------------===//
|
|
let Form=FRCS in {
|
|
def MFS : SPC<0x25, 0x2, (outs GPR:$dst), (ins SPR:$src),
|
|
"mfs $dst, $src", [], IIC_ALU>;
|
|
}
|
|
|
|
let Form=FCRCS in {
|
|
def MTS : SPC<0x25, 0x3, (outs SPR:$dst), (ins GPR:$src),
|
|
"mts $dst, $src", [], IIC_ALU>;
|
|
}
|
|
|
|
def MSRSET : MSR<0x25, 0x20, (outs GPR:$dst), (ins uimm15:$set),
|
|
"msrset $dst, $set", [], IIC_ALU>;
|
|
|
|
def MSRCLR : MSR<0x25, 0x22, (outs GPR:$dst), (ins uimm15:$clr),
|
|
"msrclr $dst, $clr", [], IIC_ALU>;
|
|
|
|
let rd=0x0, Form=FCRR in {
|
|
def WDC : TA<0x24, 0x64, (outs), (ins GPR:$a, GPR:$b),
|
|
"wdc $a, $b", [], IIC_WDC>;
|
|
def WDCF : TA<0x24, 0x74, (outs), (ins GPR:$a, GPR:$b),
|
|
"wdc.flush $a, $b", [], IIC_WDC>;
|
|
def WDCC : TA<0x24, 0x66, (outs), (ins GPR:$a, GPR:$b),
|
|
"wdc.clear $a, $b", [], IIC_WDC>;
|
|
def WIC : TA<0x24, 0x68, (outs), (ins GPR:$a, GPR:$b),
|
|
"wic $a, $b", [], IIC_WDC>;
|
|
}
|
|
|
|
def BRK : BranchL<0x26, 0x0C, 0x000, "brk ">;
|
|
def BRKI : BranchLI<0x2E, 0x0C, "brki ">;
|
|
|
|
def IMM : MBlazeInst<0x2C, FCCI, (outs), (ins simm16:$imm),
|
|
"imm $imm", [], IIC_ALU>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Pseudo instructions for atomic operations
|
|
//===----------------------------------------------------------------------===//
|
|
let usesCustomInserter=1 in {
|
|
def CAS32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$cmp, GPR:$swp),
|
|
"# atomic compare and swap",
|
|
[(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$cmp, GPR:$swp))]>;
|
|
|
|
def SWP32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$swp),
|
|
"# atomic swap",
|
|
[(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$swp))]>;
|
|
|
|
def LAA32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$val),
|
|
"# atomic load and add",
|
|
[(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$val))]>;
|
|
|
|
def LAS32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$val),
|
|
"# atomic load and sub",
|
|
[(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$val))]>;
|
|
|
|
def LAD32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$val),
|
|
"# atomic load and and",
|
|
[(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$val))]>;
|
|
|
|
def LAO32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$val),
|
|
"# atomic load and or",
|
|
[(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$val))]>;
|
|
|
|
def LAX32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$val),
|
|
"# atomic load and xor",
|
|
[(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$val))]>;
|
|
|
|
def LAN32 : MBlazePseudo<(outs GPR:$dst), (ins GPR:$ptr, GPR:$val),
|
|
"# atomic load and nand",
|
|
[(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$val))]>;
|
|
|
|
def MEMBARRIER : MBlazePseudo<(outs), (ins),
|
|
"# memory barrier",
|
|
[(membarrier (i32 imm), (i32 imm), (i32 imm), (i32 imm), (i32 imm))]>;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Arbitrary patterns that map to one or more instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Small immediates
|
|
def : Pat<(i32 0), (ADDK (i32 R0), (i32 R0))>;
|
|
def : Pat<(i32 immSExt16:$imm), (ADDIK (i32 R0), imm:$imm)>;
|
|
def : Pat<(i32 immZExt16:$imm), (ORI (i32 R0), imm:$imm)>;
|
|
|
|
// Arbitrary immediates
|
|
def : Pat<(i32 imm:$imm), (ADDIK (i32 R0), imm:$imm)>;
|
|
|
|
// In register sign extension
|
|
def : Pat<(sext_inreg GPR:$src, i16), (SEXT16 GPR:$src)>;
|
|
def : Pat<(sext_inreg GPR:$src, i8), (SEXT8 GPR:$src)>;
|
|
|
|
// Call
|
|
def : Pat<(MBlazeJmpLink (i32 tglobaladdr:$dst)),
|
|
(BRLID (i32 R15), tglobaladdr:$dst)>;
|
|
|
|
def : Pat<(MBlazeJmpLink (i32 texternalsym:$dst)),
|
|
(BRLID (i32 R15), texternalsym:$dst)>;
|
|
|
|
def : Pat<(MBlazeJmpLink GPR:$dst),
|
|
(BRALD (i32 R15), GPR:$dst)>;
|
|
|
|
// Shift Instructions
|
|
def : Pat<(shl GPR:$L, GPR:$R), (ShiftL GPR:$L, GPR:$R)>;
|
|
def : Pat<(sra GPR:$L, GPR:$R), (ShiftRA GPR:$L, GPR:$R)>;
|
|
def : Pat<(srl GPR:$L, GPR:$R), (ShiftRL GPR:$L, GPR:$R)>;
|
|
|
|
// SET_CC operations
|
|
def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETEQ),
|
|
(Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
|
|
(CMP GPR:$R, GPR:$L), 1)>;
|
|
def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETNE),
|
|
(Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
|
|
(CMP GPR:$R, GPR:$L), 2)>;
|
|
def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETGT),
|
|
(Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
|
|
(CMP GPR:$R, GPR:$L), 3)>;
|
|
def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETLT),
|
|
(Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
|
|
(CMP GPR:$R, GPR:$L), 4)>;
|
|
def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETGE),
|
|
(Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
|
|
(CMP GPR:$R, GPR:$L), 5)>;
|
|
def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETLE),
|
|
(Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
|
|
(CMP GPR:$R, GPR:$L), 6)>;
|
|
def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETUGT),
|
|
(Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
|
|
(CMPU GPR:$R, GPR:$L), 3)>;
|
|
def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETULT),
|
|
(Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
|
|
(CMPU GPR:$R, GPR:$L), 4)>;
|
|
def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETUGE),
|
|
(Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
|
|
(CMPU GPR:$R, GPR:$L), 5)>;
|
|
def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETULE),
|
|
(Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
|
|
(CMPU GPR:$R, GPR:$L), 6)>;
|
|
|
|
// SELECT operations
|
|
def : Pat<(select (i32 GPR:$C), (i32 GPR:$T), (i32 GPR:$F)),
|
|
(Select_CC GPR:$T, GPR:$F, GPR:$C, 2)>;
|
|
|
|
// SELECT_CC
|
|
def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
|
|
(i32 GPR:$T), (i32 GPR:$F), SETEQ),
|
|
(Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 1)>;
|
|
def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
|
|
(i32 GPR:$T), (i32 GPR:$F), SETNE),
|
|
(Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 2)>;
|
|
def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
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(i32 GPR:$T), (i32 GPR:$F), SETGT),
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(Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 3)>;
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def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
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(i32 GPR:$T), (i32 GPR:$F), SETLT),
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(Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 4)>;
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def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
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(i32 GPR:$T), (i32 GPR:$F), SETGE),
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(Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 5)>;
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def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
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(i32 GPR:$T), (i32 GPR:$F), SETLE),
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(Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 6)>;
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def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
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(i32 GPR:$T), (i32 GPR:$F), SETUGT),
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(Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, GPR:$L), 3)>;
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def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
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(i32 GPR:$T), (i32 GPR:$F), SETULT),
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(Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, GPR:$L), 4)>;
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def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
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(i32 GPR:$T), (i32 GPR:$F), SETUGE),
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(Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, GPR:$L), 5)>;
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def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
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(i32 GPR:$T), (i32 GPR:$F), SETULE),
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(Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, GPR:$L), 6)>;
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// Ret instructions
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def : Pat<(MBlazeRet GPR:$target), (RTSD GPR:$target, 0x8)>;
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def : Pat<(MBlazeIRet GPR:$target), (RTID GPR:$target, 0x0)>;
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// BR instructions
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def : Pat<(br bb:$T), (BRID bb:$T)>;
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def : Pat<(brind GPR:$T), (BRAD GPR:$T)>;
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// BRCOND instructions
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def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETEQ), bb:$T),
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(BEQID (CMP GPR:$R, GPR:$L), bb:$T)>;
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def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETNE), bb:$T),
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(BNEID (CMP GPR:$R, GPR:$L), bb:$T)>;
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def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETGT), bb:$T),
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(BGTID (CMP GPR:$R, GPR:$L), bb:$T)>;
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def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETLT), bb:$T),
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(BLTID (CMP GPR:$R, GPR:$L), bb:$T)>;
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def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETGE), bb:$T),
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(BGEID (CMP GPR:$R, GPR:$L), bb:$T)>;
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def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETLE), bb:$T),
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(BLEID (CMP GPR:$R, GPR:$L), bb:$T)>;
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def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETUGT), bb:$T),
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(BGTID (CMPU GPR:$R, GPR:$L), bb:$T)>;
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def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETULT), bb:$T),
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(BLTID (CMPU GPR:$R, GPR:$L), bb:$T)>;
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def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETUGE), bb:$T),
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(BGEID (CMPU GPR:$R, GPR:$L), bb:$T)>;
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def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETULE), bb:$T),
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(BLEID (CMPU GPR:$R, GPR:$L), bb:$T)>;
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def : Pat<(brcond (i32 GPR:$C), bb:$T),
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(BNEID GPR:$C, bb:$T)>;
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// Jump tables, global addresses, and constant pools
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def : Pat<(MBWrapper tglobaladdr:$in), (ORI (i32 R0), tglobaladdr:$in)>;
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def : Pat<(MBWrapper tjumptable:$in), (ORI (i32 R0), tjumptable:$in)>;
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def : Pat<(MBWrapper tconstpool:$in), (ORI (i32 R0), tconstpool:$in)>;
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// Misc instructions
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def : Pat<(and (i32 GPR:$lh), (not (i32 GPR:$rh))),(ANDN GPR:$lh, GPR:$rh)>;
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// Convert any extend loads into zero extend loads
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def : Pat<(extloadi8 iaddr:$src), (i32 (LBUI iaddr:$src))>;
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def : Pat<(extloadi16 iaddr:$src), (i32 (LHUI iaddr:$src))>;
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def : Pat<(extloadi8 xaddr:$src), (i32 (LBU xaddr:$src))>;
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def : Pat<(extloadi16 xaddr:$src), (i32 (LHU xaddr:$src))>;
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// 32-bit load and store
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def : Pat<(store (i32 GPR:$dst), xaddr:$addr), (SW GPR:$dst, xaddr:$addr)>;
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def : Pat<(load xaddr:$addr), (i32 (LW xaddr:$addr))>;
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// 16-bit load and store
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def : Pat<(truncstorei16 (i32 GPR:$dst), xaddr:$addr), (SH GPR:$dst, xaddr:$addr)>;
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def : Pat<(zextloadi16 xaddr:$addr), (i32 (LHU xaddr:$addr))>;
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// 8-bit load and store
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def : Pat<(truncstorei8 (i32 GPR:$dst), xaddr:$addr), (SB GPR:$dst, xaddr:$addr)>;
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def : Pat<(zextloadi8 xaddr:$addr), (i32 (LBU xaddr:$addr))>;
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// Peepholes
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def : Pat<(store (i32 0), iaddr:$dst), (SWI (i32 R0), iaddr:$dst)>;
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// Atomic fence
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def : Pat<(atomic_fence (imm), (imm)), (MEMBARRIER)>;
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//===----------------------------------------------------------------------===//
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// Floating Point Support
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//===----------------------------------------------------------------------===//
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include "MBlazeInstrFSL.td"
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include "MBlazeInstrFPU.td"
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