include "MBlazeInstrFormats.td"
//===----------------------------------------------------------------------===//
-// MBlaze profiles and nodes
+// MBlaze type profiles
//===----------------------------------------------------------------------===//
+
+// def SDTMBlazeSelectCC : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>]>;
def SDT_MBlazeRet : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
-def SDT_MBlazeJmpLink : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
+def SDT_MBlazeIRet : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
+def SDT_MBlazeJmpLink : SDTypeProfile<0, -1, [SDTCisVT<0, i32>]>;
+def SDT_MBCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
+def SDT_MBCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
-// Call
-def MBlazeJmpLink : SDNode<"MBlazeISD::JmpLink",SDT_MBlazeJmpLink,
- [SDNPHasChain,SDNPOptInFlag,SDNPOutFlag]>;
+//===----------------------------------------------------------------------===//
+// MBlaze specific nodes
+//===----------------------------------------------------------------------===//
-// Return
-def MBlazeRet : SDNode<"MBlazeISD::Ret", SDT_MBlazeRet,
- [SDNPHasChain, SDNPOptInFlag]>;
+def MBlazeRet : SDNode<"MBlazeISD::Ret", SDT_MBlazeRet,
+ [SDNPHasChain, SDNPOptInGlue]>;
+def MBlazeIRet : SDNode<"MBlazeISD::IRet", SDT_MBlazeIRet,
+ [SDNPHasChain, SDNPOptInGlue]>;
-// Hi and Lo nodes are used to handle global addresses. Used on
-// MBlazeISelLowering to lower stuff like GlobalAddress, ExternalSymbol
-// static model.
-def MBWrapper : SDNode<"MBlazeISD::Wrap", SDTIntUnaryOp>;
-def MBlazeGPRel : SDNode<"MBlazeISD::GPRel", SDTIntUnaryOp>;
+def MBlazeJmpLink : SDNode<"MBlazeISD::JmpLink",SDT_MBlazeJmpLink,
+ [SDNPHasChain,SDNPOptInGlue,SDNPOutGlue,
+ SDNPVariadic]>;
-def SDT_MBCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
-def SDT_MBCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
+def MBWrapper : SDNode<"MBlazeISD::Wrap", SDTIntUnaryOp>;
-// These are target-independent nodes, but have target-specific formats.
def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MBCallSeqStart,
- [SDNPHasChain, SDNPOutFlag]>;
-def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MBCallSeqEnd,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
+ [SDNPHasChain, SDNPOutGlue]>;
-def SDTMBlazeSelectCC : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>]>;
+def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MBCallSeqEnd,
+ [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
//===----------------------------------------------------------------------===//
// MBlaze Instruction Predicate Definitions.
//===----------------------------------------------------------------------===//
-def HasPipe3 : Predicate<"Subtarget.hasPipe3()">;
+// def HasPipe3 : Predicate<"Subtarget.hasPipe3()">;
def HasBarrel : Predicate<"Subtarget.hasBarrel()">;
-def NoBarrel : Predicate<"!Subtarget.hasBarrel()">;
+// def NoBarrel : Predicate<"!Subtarget.hasBarrel()">;
def HasDiv : Predicate<"Subtarget.hasDiv()">;
def HasMul : Predicate<"Subtarget.hasMul()">;
-def HasFSL : Predicate<"Subtarget.hasFSL()">;
-def HasEFSL : Predicate<"Subtarget.hasEFSL()">;
-def HasMSRSet : Predicate<"Subtarget.hasMSRSet()">;
-def HasException : Predicate<"Subtarget.hasException()">;
+// def HasFSL : Predicate<"Subtarget.hasFSL()">;
+// def HasEFSL : Predicate<"Subtarget.hasEFSL()">;
+// def HasMSRSet : Predicate<"Subtarget.hasMSRSet()">;
+// def HasException : Predicate<"Subtarget.hasException()">;
def HasPatCmp : Predicate<"Subtarget.hasPatCmp()">;
def HasFPU : Predicate<"Subtarget.hasFPU()">;
-def HasESR : Predicate<"Subtarget.hasESR()">;
-def HasPVR : Predicate<"Subtarget.hasPVR()">;
+// def HasESR : Predicate<"Subtarget.hasESR()">;
+// def HasPVR : Predicate<"Subtarget.hasPVR()">;
def HasMul64 : Predicate<"Subtarget.hasMul64()">;
def HasSqrt : Predicate<"Subtarget.hasSqrt()">;
-def HasMMU : Predicate<"Subtarget.hasMMU()">;
+// def HasMMU : Predicate<"Subtarget.hasMMU()">;
//===----------------------------------------------------------------------===//
// MBlaze Operand, Complex Patterns and Transformations Definitions.
//===----------------------------------------------------------------------===//
+def MBlazeMemAsmOperand : AsmOperandClass {
+ let Name = "Mem";
+ let SuperClasses = [];
+}
+
+def MBlazeFslAsmOperand : AsmOperandClass {
+ let Name = "Fsl";
+ let SuperClasses = [];
+}
+
// Instruction operand types
def brtarget : Operand<OtherVT>;
def calltarget : Operand<i32>;
def simm16 : Operand<i32>;
def uimm5 : Operand<i32>;
+def uimm15 : Operand<i32>;
def fimm : Operand<f32>;
// Unsigned Operand
// FSL Operand
def fslimm : Operand<i32> {
let PrintMethod = "printFSLImm";
+ let ParserMatchClass = MBlazeFslAsmOperand;
}
// Address operand
def memri : Operand<i32> {
let PrintMethod = "printMemOperand";
- let MIOperandInfo = (ops simm16, CPURegs);
+ let MIOperandInfo = (ops GPR, simm16);
+ let ParserMatchClass = MBlazeMemAsmOperand;
}
def memrr : Operand<i32> {
let PrintMethod = "printMemOperand";
- let MIOperandInfo = (ops CPURegs, CPURegs);
+ let MIOperandInfo = (ops GPR, GPR);
+ let ParserMatchClass = MBlazeMemAsmOperand;
}
-// Transformation Function - get the lower 16 bits.
-def LO16 : SDNodeXForm<imm, [{
- return getI32Imm((unsigned)N->getZExtValue() & 0xFFFF);
-}]>;
-
-// Transformation Function - get the higher 16 bits.
-def HI16 : SDNodeXForm<imm, [{
- return getI32Imm((unsigned)N->getZExtValue() >> 16);
-}]>;
-
// Node immediate fits as 16-bit sign extended on target immediate.
-// e.g. addi, andi
def immSExt16 : PatLeaf<(imm), [{
return (N->getZExtValue() >> 16) == 0;
}]>;
// e.g. addiu, sltiu
def immZExt16 : PatLeaf<(imm), [{
return (N->getZExtValue() >> 16) == 0;
-}], LO16>;
+}]>;
// FSL immediate field must fit in 4 bits.
def immZExt4 : PatLeaf<(imm), [{
- return N->getZExtValue() == ((N->getZExtValue()) & 0xf) ;
+ return N->getZExtValue() == ((N->getZExtValue()) & 0xf) ;
}]>;
// shamt field must fit in 5 bits.
def immZExt5 : PatLeaf<(imm), [{
- return N->getZExtValue() == ((N->getZExtValue()) & 0x1f) ;
+ return N->getZExtValue() == ((N->getZExtValue()) & 0x1f) ;
}]>;
-// MBlaze Address Mode! SDNode frameindex could possibily be a match
+// MBlaze Address Mode. SDNode frameindex could possibily be a match
// since load and store instructions from stack used it.
def iaddr : ComplexPattern<i32, 2, "SelectAddrRegImm", [frameindex], []>;
def xaddr : ComplexPattern<i32, 2, "SelectAddrRegReg", [], []>;
// As stack alignment is always done with addiu, we need a 16-bit immediate
let Defs = [R1], Uses = [R1] in {
def ADJCALLSTACKDOWN : MBlazePseudo<(outs), (ins simm16:$amt),
- "${:comment} ADJCALLSTACKDOWN $amt",
+ "#ADJCALLSTACKDOWN $amt",
[(callseq_start timm:$amt)]>;
def ADJCALLSTACKUP : MBlazePseudo<(outs),
(ins uimm16:$amt1, simm16:$amt2),
- "${:comment} ADJCALLSTACKUP $amt1",
+ "#ADJCALLSTACKUP $amt1",
[(callseq_end timm:$amt1, timm:$amt2)]>;
}
-// Some assembly macros need to avoid pseudoinstructions and assembler
-// automatic reodering, we should reorder ourselves.
-def MACRO : MBlazePseudo<(outs), (ins), ".set macro", []>;
-def REORDER : MBlazePseudo<(outs), (ins), ".set reorder", []>;
-def NOMACRO : MBlazePseudo<(outs), (ins), ".set nomacro", []>;
-def NOREORDER : MBlazePseudo<(outs), (ins), ".set noreorder", []>;
-
-// When handling PIC code the assembler needs .cpload and .cprestore
-// directives. If the real instructions corresponding these directives
-// are used, we have the same behavior, but get also a bunch of warnings
-// from the assembler.
-def CPLOAD : MBlazePseudo<(outs), (ins CPURegs:$reg), ".cpload $reg", []>;
-def CPRESTORE : MBlazePseudo<(outs), (ins uimm16:$l), ".cprestore $l\n", []>;
-
//===----------------------------------------------------------------------===//
// Instructions specific format
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
class Arith<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode,
InstrItinClass itin> :
- TA<op, flags, (outs CPURegs:$dst), (ins CPURegs:$b, CPURegs:$c),
+ TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
!strconcat(instr_asm, " $dst, $b, $c"),
- [(set CPURegs:$dst, (OpNode CPURegs:$b, CPURegs:$c))], itin>;
+ [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], itin>;
class ArithI<bits<6> op, string instr_asm, SDNode OpNode,
Operand Od, PatLeaf imm_type> :
- TAI<op, (outs CPURegs:$dst), (ins CPURegs:$b, Od:$c),
+ TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
+ !strconcat(instr_asm, " $dst, $b, $c"),
+ [(set GPR:$dst, (OpNode GPR:$b, imm_type:$c))], IIC_ALU>;
+
+class ArithI32<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
+ TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
+ !strconcat(instr_asm, " $dst, $b, $c"),
+ [], IIC_ALU>;
+
+class ShiftI<bits<6> op, bits<2> flags, string instr_asm, SDNode OpNode,
+ Operand Od, PatLeaf imm_type> :
+ SHT<op, flags, (outs GPR:$dst), (ins GPR:$b, Od:$c),
!strconcat(instr_asm, " $dst, $b, $c"),
- [(set CPURegs:$dst, (OpNode CPURegs:$b, imm_type:$c))], IIAlu>;
+ [(set GPR:$dst, (OpNode GPR:$b, imm_type:$c))], IIC_SHT>;
class ArithR<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode,
InstrItinClass itin> :
- TA<op, flags, (outs CPURegs:$dst), (ins CPURegs:$c, CPURegs:$b),
- !strconcat(instr_asm, " $dst, $c, $b"),
- [(set CPURegs:$dst, (OpNode CPURegs:$b, CPURegs:$c))], itin>;
+ TAR<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
+ !strconcat(instr_asm, " $dst, $c, $b"),
+ [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], itin>;
class ArithRI<bits<6> op, string instr_asm, SDNode OpNode,
Operand Od, PatLeaf imm_type> :
- TAI<op, (outs CPURegs:$dst), (ins Od:$b, CPURegs:$c),
+ TBR<op, (outs GPR:$dst), (ins Od:$b, GPR:$c),
!strconcat(instr_asm, " $dst, $c, $b"),
- [(set CPURegs:$dst, (OpNode imm_type:$b, CPURegs:$c))], IIAlu>;
+ [(set GPR:$dst, (OpNode imm_type:$b, GPR:$c))], IIC_ALU>;
class ArithN<bits<6> op, bits<11> flags, string instr_asm,
InstrItinClass itin> :
- TA<op, flags, (outs CPURegs:$dst), (ins CPURegs:$b, CPURegs:$c),
+ TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
!strconcat(instr_asm, " $dst, $b, $c"),
[], itin>;
class ArithNI<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
- TAI<op, (outs CPURegs:$dst), (ins CPURegs:$b, Od:$c),
- !strconcat(instr_asm, " $dst, $b, $c"),
- [], IIAlu>;
+ TB<op, (outs GPR:$dst), (ins GPR:$b, Od:$c),
+ !strconcat(instr_asm, " $dst, $b, $c"),
+ [], IIC_ALU>;
class ArithRN<bits<6> op, bits<11> flags, string instr_asm,
InstrItinClass itin> :
- TA<op, flags, (outs CPURegs:$dst), (ins CPURegs:$c, CPURegs:$b),
- !strconcat(instr_asm, " $dst, $b, $c"),
- [], itin>;
+ TAR<op, flags, (outs GPR:$dst), (ins GPR:$c, GPR:$b),
+ !strconcat(instr_asm, " $dst, $b, $c"),
+ [], itin>;
class ArithRNI<bits<6> op, string instr_asm,Operand Od, PatLeaf imm_type> :
- TAI<op, (outs CPURegs:$dst), (ins Od:$c, CPURegs:$b),
+ TBR<op, (outs GPR:$dst), (ins Od:$c, GPR:$b),
!strconcat(instr_asm, " $dst, $b, $c"),
- [], IIAlu>;
+ [], IIC_ALU>;
//===----------------------------------------------------------------------===//
// Misc Arithmetic Instructions
//===----------------------------------------------------------------------===//
class Logic<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode> :
- TA<op, flags, (outs CPURegs:$dst), (ins CPURegs:$b, CPURegs:$c),
+ TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
!strconcat(instr_asm, " $dst, $b, $c"),
- [(set CPURegs:$dst, (OpNode CPURegs:$b, CPURegs:$c))], IIAlu>;
+ [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], IIC_ALU>;
class LogicI<bits<6> op, string instr_asm, SDNode OpNode> :
- TAI<op, (outs CPURegs:$dst), (ins CPURegs:$b, uimm16:$c),
- !strconcat(instr_asm, " $dst, $b, $c"),
- [(set CPURegs:$dst, (OpNode CPURegs:$b, immZExt16:$c))],
- IIAlu>;
+ TB<op, (outs GPR:$dst), (ins GPR:$b, uimm16:$c),
+ !strconcat(instr_asm, " $dst, $b, $c"),
+ [(set GPR:$dst, (OpNode GPR:$b, immZExt16:$c))],
+ IIC_ALU>;
-class EffectiveAddress<string instr_asm> :
- TAI<0x08, (outs CPURegs:$dst), (ins memri:$addr),
- instr_asm, [(set CPURegs:$dst, iaddr:$addr)], IIAlu>;
+class LogicI32<bits<6> op, string instr_asm> :
+ TB<op, (outs GPR:$dst), (ins GPR:$b, uimm16:$c),
+ !strconcat(instr_asm, " $dst, $b, $c"),
+ [], IIC_ALU>;
+
+class PatCmp<bits<6> op, bits<11> flags, string instr_asm> :
+ TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
+ !strconcat(instr_asm, " $dst, $b, $c"),
+ [], IIC_ALU>;
//===----------------------------------------------------------------------===//
// Memory Access Instructions
//===----------------------------------------------------------------------===//
-class LoadM<bits<6> op, string instr_asm, PatFrag OpNode> :
- TA<op, 0x000, (outs CPURegs:$dst), (ins memrr:$addr),
+
+let mayLoad = 1 in {
+class LoadM<bits<6> op, bits<11> flags, string instr_asm> :
+ TA<op, flags, (outs GPR:$dst), (ins memrr:$addr),
!strconcat(instr_asm, " $dst, $addr"),
- [(set CPURegs:$dst, (OpNode xaddr:$addr))], IILoad>;
+ [], IIC_MEMl>;
+}
class LoadMI<bits<6> op, string instr_asm, PatFrag OpNode> :
- TAI<op, (outs CPURegs:$dst), (ins memri:$addr),
- !strconcat(instr_asm, " $dst, $addr"),
- [(set CPURegs:$dst, (OpNode iaddr:$addr))], IILoad>;
+ TB<op, (outs GPR:$dst), (ins memri:$addr),
+ !strconcat(instr_asm, " $dst, $addr"),
+ [(set (i32 GPR:$dst), (OpNode iaddr:$addr))], IIC_MEMl>;
-class StoreM<bits<6> op, string instr_asm, PatFrag OpNode> :
- TA<op, 0x000, (outs), (ins CPURegs:$dst, memrr:$addr),
+let mayStore = 1 in {
+class StoreM<bits<6> op, bits<11> flags, string instr_asm> :
+ TA<op, flags, (outs), (ins GPR:$dst, memrr:$addr),
!strconcat(instr_asm, " $dst, $addr"),
- [(OpNode CPURegs:$dst, xaddr:$addr)], IIStore>;
+ [], IIC_MEMs>;
+}
class StoreMI<bits<6> op, string instr_asm, PatFrag OpNode> :
- TAI<op, (outs), (ins CPURegs:$dst, memri:$addr),
- !strconcat(instr_asm, " $dst, $addr"),
- [(OpNode CPURegs:$dst, iaddr:$addr)], IIStore>;
+ TB<op, (outs), (ins GPR:$dst, memri:$addr),
+ !strconcat(instr_asm, " $dst, $addr"),
+ [(OpNode (i32 GPR:$dst), iaddr:$addr)], IIC_MEMs>;
//===----------------------------------------------------------------------===//
// Branch Instructions
//===----------------------------------------------------------------------===//
class Branch<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
- TBR<op, br, flags, (outs), (ins CPURegs:$target),
- !strconcat(instr_asm, " $target"),
- [(brind CPURegs:$target)], IIBranch>;
+ TA<op, flags, (outs), (ins GPR:$target),
+ !strconcat(instr_asm, " $target"),
+ [], IIC_BR> {
+ let rd = 0x0;
+ let ra = br;
+ let Form = FCCR;
+}
-class BranchI<bits<6> op, bits<5> brf, string instr_asm> :
- TBRI<op, brf, (outs), (ins brtarget:$target),
- !strconcat(instr_asm, " $target"),
- [(br bb:$target)], IIBranch>;
+class BranchI<bits<6> op, bits<5> br, string instr_asm> :
+ TB<op, (outs), (ins brtarget:$target),
+ !strconcat(instr_asm, " $target"),
+ [], IIC_BR> {
+ let rd = 0;
+ let ra = br;
+ let Form = FCCI;
+}
//===----------------------------------------------------------------------===//
// Branch and Link Instructions
//===----------------------------------------------------------------------===//
class BranchL<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
- TBRL<op, br, flags, (outs), (ins CPURegs:$target),
- !strconcat(instr_asm, " r15, $target"),
- [], IIBranch>;
+ TA<op, flags, (outs), (ins GPR:$link, GPR:$target, variable_ops),
+ !strconcat(instr_asm, " $link, $target"),
+ [], IIC_BRl> {
+ let ra = br;
+ let Form = FRCR;
+}
class BranchLI<bits<6> op, bits<5> br, string instr_asm> :
- TBRLI<op, br, (outs), (ins calltarget:$target),
- !strconcat(instr_asm, " r15, $target"),
- [], IIBranch>;
+ TB<op, (outs), (ins GPR:$link, calltarget:$target, variable_ops),
+ !strconcat(instr_asm, " $link, $target"),
+ [], IIC_BRl> {
+ let ra = br;
+ let Form = FRCI;
+}
//===----------------------------------------------------------------------===//
// Conditional Branch Instructions
//===----------------------------------------------------------------------===//
-class BranchC<bits<6> op, bits<5> br, bits<11> flags, string instr_asm,
- PatFrag cond_op> :
- TBRC<op, br, flags, (outs),
- (ins CPURegs:$a, CPURegs:$b, brtarget:$offset),
- !strconcat(instr_asm, " $a, $b, $offset"),
- [], IIBranch>;
- //(brcond (cond_op CPURegs:$a, CPURegs:$b), bb:$offset)],
- //IIBranch>;
+class BranchC<bits<6> op, bits<5> br, bits<11> flags, string instr_asm> :
+ TA<op, flags, (outs),
+ (ins GPR:$a, GPR:$b),
+ !strconcat(instr_asm, " $a, $b"),
+ [], IIC_BRc> {
+ let rd = br;
+ let Form = FCRR;
+}
-class BranchCI<bits<6> op, bits<5> br, string instr_asm, PatFrag cond_op> :
- TBRCI<op, br, (outs), (ins CPURegs:$a, brtarget:$offset),
- !strconcat(instr_asm, " $a, $offset"),
- [], IIBranch>;
+class BranchCI<bits<6> op, bits<5> br, string instr_asm> :
+ TB<op, (outs), (ins GPR:$a, brtarget:$offset),
+ !strconcat(instr_asm, " $a, $offset"),
+ [], IIC_BRc> {
+ let rd = br;
+ let Form = FCRI;
+}
//===----------------------------------------------------------------------===//
// MBlaze arithmetic instructions
//===----------------------------------------------------------------------===//
let isCommutable = 1, isAsCheapAsAMove = 1 in {
- def ADD : Arith<0x00, 0x000, "add ", add, IIAlu>;
- def ADDC : Arith<0x02, 0x000, "addc ", adde, IIAlu>;
- def ADDK : Arith<0x04, 0x000, "addk ", addc, IIAlu>;
- def ADDKC : ArithN<0x06, 0x000, "addkc ", IIAlu>;
- def AND : Logic<0x21, 0x000, "and ", and>;
- def OR : Logic<0x20, 0x000, "or ", or>;
- def XOR : Logic<0x22, 0x000, "xor ", xor>;
+ def ADDK : Arith<0x04, 0x000, "addk ", add, IIC_ALU>;
+ def AND : Logic<0x21, 0x000, "and ", and>;
+ def OR : Logic<0x20, 0x000, "or ", or>;
+ def XOR : Logic<0x22, 0x000, "xor ", xor>;
+
+ let Predicates=[HasPatCmp] in {
+ def PCMPBF : PatCmp<0x20, 0x400, "pcmpbf ">;
+ def PCMPEQ : PatCmp<0x22, 0x400, "pcmpeq ">;
+ def PCMPNE : PatCmp<0x23, 0x400, "pcmpne ">;
+ }
+
+ let Defs = [CARRY] in {
+ def ADD : Arith<0x00, 0x000, "add ", addc, IIC_ALU>;
+
+ let Uses = [CARRY] in {
+ def ADDC : Arith<0x02, 0x000, "addc ", adde, IIC_ALU>;
+ }
+ }
+
+ let Uses = [CARRY] in {
+ def ADDKC : ArithN<0x06, 0x000, "addkc ", IIC_ALU>;
+ }
}
let isAsCheapAsAMove = 1 in {
- def ANDN : ArithN<0x23, 0x000, "andn ", IIAlu>;
- def CMP : ArithN<0x05, 0x001, "cmp ", IIAlu>;
- def CMPU : ArithN<0x05, 0x003, "cmpu ", IIAlu>;
- def RSUB : ArithR<0x01, 0x000, "rsub ", sub, IIAlu>;
- def RSUBC : ArithR<0x03, 0x000, "rsubc ", sube, IIAlu>;
- def RSUBK : ArithR<0x05, 0x000, "rsubk ", subc, IIAlu>;
- def RSUBKC : ArithRN<0x07, 0x000, "rsubkc ", IIAlu>;
+ def ANDN : ArithN<0x23, 0x000, "andn ", IIC_ALU>;
+ def CMP : ArithN<0x05, 0x001, "cmp ", IIC_ALU>;
+ def CMPU : ArithN<0x05, 0x003, "cmpu ", IIC_ALU>;
+ def RSUBK : ArithR<0x05, 0x000, "rsubk ", sub, IIC_ALU>;
+
+ let Defs = [CARRY] in {
+ def RSUB : ArithR<0x01, 0x000, "rsub ", subc, IIC_ALU>;
+
+ let Uses = [CARRY] in {
+ def RSUBC : ArithR<0x03, 0x000, "rsubc ", sube, IIC_ALU>;
+ }
+ }
+
+ let Uses = [CARRY] in {
+ def RSUBKC : ArithRN<0x07, 0x000, "rsubkc ", IIC_ALU>;
+ }
}
let isCommutable = 1, Predicates=[HasMul] in {
- def MUL : Arith<0x10, 0x000, "mul ", mul, IIAlu>;
+ def MUL : Arith<0x10, 0x000, "mul ", mul, IIC_ALUm>;
}
let isCommutable = 1, Predicates=[HasMul,HasMul64] in {
- def MULH : Arith<0x10, 0x001, "mulh ", mulhs, IIAlu>;
- def MULHU : Arith<0x10, 0x003, "mulhu ", mulhu, IIAlu>;
+ def MULH : Arith<0x10, 0x001, "mulh ", mulhs, IIC_ALUm>;
+ def MULHU : Arith<0x10, 0x003, "mulhu ", mulhu, IIC_ALUm>;
}
let Predicates=[HasMul,HasMul64] in {
- def MULHSU : ArithN<0x10, 0x002, "mulhsu ", IIAlu>;
+ def MULHSU : ArithN<0x10, 0x002, "mulhsu ", IIC_ALUm>;
}
let Predicates=[HasBarrel] in {
- def BSRL : Arith<0x11, 0x000, "bsrl ", srl, IIAlu>;
- def BSRA : Arith<0x11, 0x200, "bsra ", sra, IIAlu>;
- def BSLL : Arith<0x11, 0x400, "bsll ", shl, IIAlu>;
- def BSRLI : ArithI<0x11, "bsrli ", srl, uimm5, immZExt5>;
- def BSRAI : ArithI<0x11, "bsrai ", sra, uimm5, immZExt5>;
- def BSLLI : ArithI<0x11, "bslli ", shl, uimm5, immZExt5>;
+ def BSRL : Arith<0x11, 0x000, "bsrl ", srl, IIC_SHT>;
+ def BSRA : Arith<0x11, 0x200, "bsra ", sra, IIC_SHT>;
+ def BSLL : Arith<0x11, 0x400, "bsll ", shl, IIC_SHT>;
+ def BSRLI : ShiftI<0x19, 0x0, "bsrli ", srl, uimm5, immZExt5>;
+ def BSRAI : ShiftI<0x19, 0x1, "bsrai ", sra, uimm5, immZExt5>;
+ def BSLLI : ShiftI<0x19, 0x2, "bslli ", shl, uimm5, immZExt5>;
}
let Predicates=[HasDiv] in {
- def IDIV : Arith<0x12, 0x000, "idiv ", sdiv, IIAlu>;
- def IDIVU : Arith<0x12, 0x002, "idivu ", udiv, IIAlu>;
+ def IDIV : ArithR<0x12, 0x000, "idiv ", sdiv, IIC_ALUd>;
+ def IDIVU : ArithR<0x12, 0x002, "idivu ", udiv, IIC_ALUd>;
}
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
let isAsCheapAsAMove = 1 in {
- def ADDI : ArithI<0x08, "addi ", add, simm16, immSExt16>;
- def ADDIC : ArithNI<0x0A, "addic ", simm16, immSExt16>;
- def ADDIK : ArithNI<0x0C, "addik ", simm16, immSExt16>;
- def ADDIKC : ArithI<0x0E, "addikc ", addc, simm16, immSExt16>;
- def RSUBI : ArithRI<0x09, "rsubi ", sub, simm16, immSExt16>;
- def RSUBIC : ArithRNI<0x0B, "rsubi ", simm16, immSExt16>;
- def RSUBIK : ArithRNI<0x0E, "rsubic ", simm16, immSExt16>;
- def RSUBIKC : ArithRI<0x0F, "rsubikc", subc, simm16, immSExt16>;
- def ANDNI : ArithNI<0x2B, "andni ", uimm16, immZExt16>;
- def ANDI : LogicI<0x29, "andi ", and>;
- def ORI : LogicI<0x28, "ori ", or>;
- def XORI : LogicI<0x2A, "xori ", xor>;
+ def ADDIK : ArithI<0x0C, "addik ", add, simm16, immSExt16>;
+ def RSUBIK : ArithRI<0x0D, "rsubik ", sub, simm16, immSExt16>;
+ def ANDNI : ArithNI<0x2B, "andni ", uimm16, immZExt16>;
+ def ANDI : LogicI<0x29, "andi ", and>;
+ 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>;
+ def MULI : ArithI<0x18, "muli ", mul, simm16, immSExt16>;
}
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
let canFoldAsLoad = 1, isReMaterializable = 1 in {
- def LBU : LoadM<0x30, "lbu ", zextloadi8>;
- def LHU : LoadM<0x31, "lhu ", zextloadi16>;
- def LW : LoadM<0x32, "lw ", load>;
+ 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<0x30, "lbui ", zextloadi8>;
- def LHUI : LoadMI<0x31, "lhui ", zextloadi16>;
- def LWI : LoadMI<0x32, "lwi ", load>;
+ def LBUI : LoadMI<0x38, "lbui ", zextloadi8>;
+ def LHUI : LoadMI<0x39, "lhui ", zextloadi16>;
+ def LWI : LoadMI<0x3A, "lwi ", load>;
}
- def SB : StoreM<0x34, "sb ", truncstorei8>;
- def SH : StoreM<0x35, "sh ", truncstorei16>;
- def SW : StoreM<0x36, "sw ", store>;
+def SB : StoreM<0x34, 0x000, "sb ">;
+def SBR : StoreM<0x34, 0x200, "sbr ">;
- def SBI : StoreMI<0x34, "sbi ", truncstorei8>;
- def SHI : StoreMI<0x35, "shi ", truncstorei16>;
- def SWI : StoreMI<0x36, "swi ", store>;
+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 BRI : BranchI<0x2E, 0x00, "bri ">;
- def BRAI : BranchI<0x2E, 0x08, "brai ">;
- def BEQI : BranchCI<0x2F, 0x00, "beqi ", seteq>;
- def BNEI : BranchCI<0x2F, 0x01, "bnei ", setne>;
- def BLTI : BranchCI<0x2F, 0x02, "blti ", setlt>;
- def BLEI : BranchCI<0x2F, 0x03, "blei ", setle>;
- def BGTI : BranchCI<0x2F, 0x04, "bgti ", setgt>;
- def BGEI : BranchCI<0x2F, 0x05, "bgei ", setge>;
+ 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 BR : Branch<0x26, 0x00, 0x000, "br ">;
- def BRA : Branch<0x26, 0x08, 0x000, "bra ">;
- def BEQ : BranchC<0x27, 0x00, 0x000, "beq ", seteq>;
- def BNE : BranchC<0x27, 0x01, 0x000, "bne ", setne>;
- def BLT : BranchC<0x27, 0x02, 0x000, "blt ", setlt>;
- def BLE : BranchC<0x27, 0x03, 0x000, "ble ", setle>;
- def BGT : BranchC<0x27, 0x04, 0x000, "bgt ", setgt>;
- def BGE : BranchC<0x27, 0x05, 0x000, "bge ", setge>;
+ 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 BRID : BranchI<0x2E, 0x10, "brid ">;
- def BRAID : BranchI<0x2E, 0x18, "braid ">;
- def BEQID : BranchCI<0x2F, 0x10, "beqid ", seteq>;
- def BNEID : BranchCI<0x2F, 0x11, "bneid ", setne>;
- def BLTID : BranchCI<0x2F, 0x12, "bltid ", setlt>;
- def BLEID : BranchCI<0x2F, 0x13, "bleid ", setle>;
- def BGTID : BranchCI<0x2F, 0x14, "bgtid ", setgt>;
- def BGEID : BranchCI<0x2F, 0x15, "bgeid ", setge>;
+ 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 BRD : Branch<0x26, 0x10, 0x000, "brd ">;
- def BRAD : Branch<0x26, 0x18, 0x000, "brad ">;
- def BEQD : BranchC<0x27, 0x10, 0x000, "beqd ", seteq>;
- def BNED : BranchC<0x27, 0x11, 0x000, "bned ", setne>;
- def BLTD : BranchC<0x27, 0x12, 0x000, "bltd ", setlt>;
- def BLED : BranchC<0x27, 0x13, 0x000, "bled ", setle>;
- def BGTD : BranchC<0x27, 0x14, 0x000, "bgtd ", setgt>;
- def BGED : BranchC<0x27, 0x15, 0x000, "bged ", setge>;
+ 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, hasCtrlDep = 1, isIndirectBranch = 1,
- Defs = [R3,R4,R5,R6,R7,R8,R9,R10,R11,R12],
- Uses = [R1,R5,R6,R7,R8,R9,R10] in {
- def BRL : BranchL<0x26, 0x04, 0x000, "brl ">;
- def BRAL : BranchL<0x26, 0x0C, 0x000, "bral ">;
+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, hasCtrlDep = 1,
- Defs = [R3,R4,R5,R6,R7,R8,R9,R10,R11,R12],
- Uses = [R1,R5,R6,R7,R8,R9,R10] 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 isCall = 1, hasDelaySlot = 1, hasCtrlDep = 1, isIndirectBranch = 1,
- Defs = [R3,R4,R5,R6,R7,R8,R9,R10,R11,R12],
- Uses = [R1,R5,R6,R7,R8,R9,R10] 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, $imm",
+ [],
+ IIC_BR>;
}
-let isReturn=1, isTerminator=1, hasDelaySlot=1,
- isBarrier=1, hasCtrlDep=1, imm16=0x8 in {
- def RTSD : TRET<0x2D, (outs), (ins CPURegs:$target),
- "rtsd $target, 8",
- [(MBlazeRet CPURegs:$target)],
- IIBranch>;
+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, $imm",
+ [],
+ IIC_BR>;
}
//===----------------------------------------------------------------------===//
// MBlaze misc instructions
//===----------------------------------------------------------------------===//
-let addr = 0 in {
- def NOP : TADDR<0x00, (outs), (ins), "nop ", [], IIAlu>;
+let neverHasSideEffects = 1 in {
+ def NOP : MBlazeInst< 0x20, FC, (outs), (ins), "nop ", [], IIC_ALU>;
}
let usesCustomInserter = 1 in {
- //class PseudoSelCC<RegisterClass RC, string asmstr>:
- // MBlazePseudo<(outs RC:$D), (ins RC:$T, RC:$F, CPURegs:$CMP), asmstr,
- // [(set RC:$D, (MBlazeSelectCC RC:$T, RC:$F, CPURegs:$CMP))]>;
- //def Select_CC : PseudoSelCC<CPURegs, "# MBlazeSelect_CC">;
-
- def Select_CC : MBlazePseudo<(outs CPURegs:$dst),
- (ins CPURegs:$T, CPURegs:$F, CPURegs:$CMP, i32imm:$CC),
+ def Select_CC : MBlazePseudo<(outs GPR:$dst),
+ (ins GPR:$T, GPR:$F, GPR:$CMP, i32imm:$CC), // F T reversed
"; SELECT_CC PSEUDO!",
[]>;
- def ShiftL : MBlazePseudo<(outs CPURegs:$dst),
- (ins CPURegs:$L, CPURegs:$R),
+ def ShiftL : MBlazePseudo<(outs GPR:$dst),
+ (ins GPR:$L, GPR:$R),
"; ShiftL PSEUDO!",
[]>;
- def ShiftRA : MBlazePseudo<(outs CPURegs:$dst),
- (ins CPURegs:$L, CPURegs:$R),
+ def ShiftRA : MBlazePseudo<(outs GPR:$dst),
+ (ins GPR:$L, GPR:$R),
"; ShiftRA PSEUDO!",
[]>;
- def ShiftRL : MBlazePseudo<(outs CPURegs:$dst),
- (ins CPURegs:$L, CPURegs:$R),
+ def ShiftRL : MBlazePseudo<(outs GPR:$dst),
+ (ins GPR:$L, GPR:$R),
"; ShiftRL PSEUDO!",
[]>;
}
-
let rb = 0 in {
- def SEXT16 : TA<0x24, 0x061, (outs CPURegs:$dst), (ins CPURegs:$src),
- "sext16 $dst, $src", [], IIAlu>;
- def SEXT8 : TA<0x24, 0x060, (outs CPURegs:$dst), (ins CPURegs:$src),
- "sext8 $dst, $src", [], IIAlu>;
- def SRL : TA<0x24, 0x041, (outs CPURegs:$dst), (ins CPURegs:$src),
- "srl $dst, $src", [], IIAlu>;
- def SRA : TA<0x24, 0x001, (outs CPURegs:$dst), (ins CPURegs:$src),
- "sra $dst, $src", [], IIAlu>;
- def SRC : TA<0x24, 0x021, (outs CPURegs:$dst), (ins CPURegs:$src),
- "src $dst, $src", [], IIAlu>;
+ def SEXT16 : TA<0x24, 0x061, (outs GPR:$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>;
+ }
+ }
}
-def LEA_ADDI : EffectiveAddress<"addi $dst, ${addr:stackloc}">;
+let isCodeGenOnly=1 in {
+ def ADDIK32 : ArithI32<0x08, "addik ", simm16, immSExt16>;
+ def ORI32 : LogicI32<0x28, "ori ">;
+ def BRLID32 : BranchLI<0x2E, 0x14, "brlid ">;
+}
+
+//===----------------------------------------------------------------------===//
+// Misc. instructions
+//===----------------------------------------------------------------------===//
+let Form=FRCS in {
+ def MFS : SPC<0x25, 0x2, (outs GPR:$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:$val))]>;
+
+ def MEMBARRIER : MBlazePseudo<(outs), (ins),
+ "# memory barrier",
+ [(membarrier (i32 imm), (i32 imm), (i32 imm), (i32 imm), (i32 imm))]>;
+}
//===----------------------------------------------------------------------===//
// Arbitrary patterns that map to one or more instructions
//===----------------------------------------------------------------------===//
// Small immediates
-def : Pat<(i32 0), (ADD R0, R0)>;
-def : Pat<(i32 immSExt16:$imm), (ADDI R0, imm:$imm)>;
-def : Pat<(i32 immZExt16:$imm), (ORI R0, imm:$imm)>;
+def : Pat<(i32 0), (ADDK (i32 R0), (i32 R0))>;
+def : Pat<(i32 immSExt16:$imm), (ADDIK (i32 R0), imm:$imm)>;
+def : Pat<(i32 immZExt16:$imm), (ORI (i32 R0), imm:$imm)>;
// Arbitrary immediates
-def : Pat<(i32 imm:$imm), (ADDI R0, imm:$imm)>;
+def : Pat<(i32 imm:$imm), (ADDIK (i32 R0), imm:$imm)>;
// In register sign extension
-def : Pat<(sext_inreg CPURegs:$src, i16), (SEXT16 CPURegs:$src)>;
-def : Pat<(sext_inreg CPURegs:$src, i8), (SEXT8 CPURegs:$src)>;
+def : Pat<(sext_inreg GPR:$src, i16), (SEXT16 GPR:$src)>;
+def : Pat<(sext_inreg GPR:$src, i8), (SEXT8 GPR:$src)>;
// Call
-def : Pat<(MBlazeJmpLink (i32 tglobaladdr:$dst)), (BRLID tglobaladdr:$dst)>;
-def : Pat<(MBlazeJmpLink (i32 texternalsym:$dst)),(BRLID texternalsym:$dst)>;
-def : Pat<(MBlazeJmpLink CPURegs:$dst), (BRLD CPURegs:$dst)>;
+def : Pat<(MBlazeJmpLink (i32 tglobaladdr:$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:$dst)>;
// Shift Instructions
-def : Pat<(shl CPURegs:$L, CPURegs:$R), (ShiftL CPURegs:$L, CPURegs:$R)>;
-def : Pat<(sra CPURegs:$L, CPURegs:$R), (ShiftRA CPURegs:$L, CPURegs:$R)>;
-def : Pat<(srl CPURegs:$L, CPURegs:$R), (ShiftRL CPURegs:$L, CPURegs:$R)>;
+def : Pat<(shl GPR:$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:$R)>;
// SET_CC operations
-def : Pat<(setcc CPURegs:$L, CPURegs:$R, SETEQ),
- (Select_CC (ADDI R0, 1), (ADDI R0, 0),
- (CMP CPURegs:$L, CPURegs:$R), 1)>;
-def : Pat<(setcc CPURegs:$L, CPURegs:$R, SETNE),
- (Select_CC (ADDI R0, 1), (ADDI R0, 0),
- (CMP CPURegs:$L, CPURegs:$R), 2)>;
-def : Pat<(setcc CPURegs:$L, CPURegs:$R, SETGT),
- (Select_CC (ADDI R0, 1), (ADDI R0, 0),
- (CMP CPURegs:$L, CPURegs:$R), 3)>;
-def : Pat<(setcc CPURegs:$L, CPURegs:$R, SETLT),
- (Select_CC (ADDI R0, 1), (ADDI R0, 0),
- (CMP CPURegs:$L, CPURegs:$R), 4)>;
-def : Pat<(setcc CPURegs:$L, CPURegs:$R, SETGE),
- (Select_CC (ADDI R0, 1), (ADDI R0, 0),
- (CMP CPURegs:$L, CPURegs:$R), 5)>;
-def : Pat<(setcc CPURegs:$L, CPURegs:$R, SETLE),
- (Select_CC (ADDI R0, 1), (ADDI R0, 0),
- (CMP CPURegs:$L, CPURegs:$R), 6)>;
-def : Pat<(setcc CPURegs:$L, CPURegs:$R, SETUGT),
- (Select_CC (ADDI R0, 1), (ADDI R0, 0),
- (CMPU CPURegs:$L, CPURegs:$R), 3)>;
-def : Pat<(setcc CPURegs:$L, CPURegs:$R, SETULT),
- (Select_CC (ADDI R0, 1), (ADDI R0, 0),
- (CMPU CPURegs:$L, CPURegs:$R), 4)>;
-def : Pat<(setcc CPURegs:$L, CPURegs:$R, SETUGE),
- (Select_CC (ADDI R0, 1), (ADDI R0, 0),
- (CMPU CPURegs:$L, CPURegs:$R), 5)>;
-def : Pat<(setcc CPURegs:$L, CPURegs:$R, SETULE),
- (Select_CC (ADDI R0, 1), (ADDI R0, 0),
- (CMPU CPURegs:$L, CPURegs:$R), 6)>;
+def : Pat<(setcc (i32 GPR:$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:$L), 6)>;
// SELECT operations
-def : Pat<(select CPURegs:$C, CPURegs:$T, CPURegs:$F),
- (Select_CC CPURegs:$T, CPURegs:$F, CPURegs:$C, 2)>;
-
-// SELECT_CC
-def : Pat<(selectcc CPURegs:$L, CPURegs:$R, CPURegs:$T, CPURegs:$F, SETEQ),
- (Select_CC CPURegs:$T, CPURegs:$F, (CMP CPURegs:$L, CPURegs:$R), 1)>;
-def : Pat<(selectcc CPURegs:$L, CPURegs:$R, CPURegs:$T, CPURegs:$F, SETNE),
- (Select_CC CPURegs:$T, CPURegs:$F, (CMP CPURegs:$L, CPURegs:$R), 2)>;
-def : Pat<(selectcc CPURegs:$L, CPURegs:$R, CPURegs:$T, CPURegs:$F, SETGT),
- (Select_CC CPURegs:$T, CPURegs:$F, (CMP CPURegs:$L, CPURegs:$R), 3)>;
-def : Pat<(selectcc CPURegs:$L, CPURegs:$R, CPURegs:$T, CPURegs:$F, SETLT),
- (Select_CC CPURegs:$T, CPURegs:$F, (CMP CPURegs:$L, CPURegs:$R), 4)>;
-def : Pat<(selectcc CPURegs:$L, CPURegs:$R, CPURegs:$T, CPURegs:$F, SETGE),
- (Select_CC CPURegs:$T, CPURegs:$F, (CMP CPURegs:$L, CPURegs:$R), 5)>;
-def : Pat<(selectcc CPURegs:$L, CPURegs:$R, CPURegs:$T, CPURegs:$F, SETLE),
- (Select_CC CPURegs:$T, CPURegs:$F, (CMP CPURegs:$L, CPURegs:$R), 6)>;
-def : Pat<(selectcc CPURegs:$L, CPURegs:$R, CPURegs:$T, CPURegs:$F, SETUGT),
- (Select_CC CPURegs:$T, CPURegs:$F, (CMPU CPURegs:$L, CPURegs:$R), 3)>;
-def : Pat<(selectcc CPURegs:$L, CPURegs:$R, CPURegs:$T, CPURegs:$F, SETULT),
- (Select_CC CPURegs:$T, CPURegs:$F, (CMPU CPURegs:$L, CPURegs:$R), 4)>;
-def : Pat<(selectcc CPURegs:$L, CPURegs:$R, CPURegs:$T, CPURegs:$F, SETUGE),
- (Select_CC CPURegs:$T, CPURegs:$F, (CMPU CPURegs:$L, CPURegs:$R), 5)>;
-def : Pat<(selectcc CPURegs:$L, CPURegs:$R, CPURegs:$T, CPURegs:$F, SETULE),
- (Select_CC CPURegs:$T, CPURegs:$F, (CMPU CPURegs:$L, CPURegs:$R), 6)>;
+def : Pat<(select (i32 GPR:$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:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETGT),
+ (Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 3)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETLT),
+ (Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 4)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETGE),
+ (Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 5)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETLE),
+ (Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 6)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETUGT),
+ (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, GPR:$L), 3)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETULT),
+ (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, GPR:$L), 4)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETUGE),
+ (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, GPR:$L), 5)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETULE),
+ (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, GPR:$L), 6)>;
+
+// Ret instructions
+def : Pat<(MBlazeRet GPR:$target), (RTSD GPR:$target, 0x8)>;
+def : Pat<(MBlazeIRet GPR:$target), (RTID GPR:$target, 0x0)>;
+
+// BR instructions
+def : Pat<(br bb:$T), (BRID bb:$T)>;
+def : Pat<(brind GPR:$T), (BRAD GPR:$T)>;
// BRCOND instructions
-def : Pat<(brcond (setcc CPURegs:$L, CPURegs:$R, SETEQ), bb:$T),
- (BEQID (CMP CPURegs:$R, CPURegs:$L), bb:$T)>;
-def : Pat<(brcond (setcc CPURegs:$L, CPURegs:$R, SETNE), bb:$T),
- (BNEID (CMP CPURegs:$R, CPURegs:$L), bb:$T)>;
-def : Pat<(brcond (setcc CPURegs:$L, CPURegs:$R, SETGT), bb:$T),
- (BGTID (CMP CPURegs:$R, CPURegs:$L), bb:$T)>;
-def : Pat<(brcond (setcc CPURegs:$L, CPURegs:$R, SETLT), bb:$T),
- (BLTID (CMP CPURegs:$R, CPURegs:$L), bb:$T)>;
-def : Pat<(brcond (setcc CPURegs:$L, CPURegs:$R, SETGE), bb:$T),
- (BGEID (CMP CPURegs:$R, CPURegs:$L), bb:$T)>;
-def : Pat<(brcond (setcc CPURegs:$L, CPURegs:$R, SETLE), bb:$T),
- (BLEID (CMP CPURegs:$R, CPURegs:$L), bb:$T)>;
-def : Pat<(brcond (setcc CPURegs:$L, CPURegs:$R, SETUGT), bb:$T),
- (BGTID (CMPU CPURegs:$R, CPURegs:$L), bb:$T)>;
-def : Pat<(brcond (setcc CPURegs:$L, CPURegs:$R, SETULT), bb:$T),
- (BLTID (CMPU CPURegs:$R, CPURegs:$L), bb:$T)>;
-def : Pat<(brcond (setcc CPURegs:$L, CPURegs:$R, SETUGE), bb:$T),
- (BGEID (CMPU CPURegs:$R, CPURegs:$L), bb:$T)>;
-def : Pat<(brcond (setcc CPURegs:$L, CPURegs:$R, SETULE), bb:$T),
- (BLEID (CMPU CPURegs:$R, CPURegs:$L), bb:$T)>;
-def : Pat<(brcond CPURegs:$C, bb:$T),
- (BNEID CPURegs:$C, bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETEQ), bb:$T),
+ (BEQID (CMP GPR:$R, GPR:$L), bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETNE), bb:$T),
+ (BNEID (CMP GPR:$R, GPR:$L), bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETGT), bb:$T),
+ (BGTID (CMP GPR:$R, GPR:$L), bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETLT), bb:$T),
+ (BLTID (CMP GPR:$R, GPR:$L), bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETGE), bb:$T),
+ (BGEID (CMP GPR:$R, GPR:$L), bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETLE), bb:$T),
+ (BLEID (CMP GPR:$R, GPR:$L), bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETUGT), bb:$T),
+ (BGTID (CMPU GPR:$R, GPR:$L), bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETULT), bb:$T),
+ (BLTID (CMPU GPR:$R, GPR:$L), bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETUGE), bb:$T),
+ (BGEID (CMPU GPR:$R, GPR:$L), bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETULE), bb:$T),
+ (BLEID (CMPU GPR:$R, GPR:$L), bb:$T)>;
+def : Pat<(brcond (i32 GPR:$C), bb:$T),
+ (BNEID GPR:$C, bb:$T)>;
// Jump tables, global addresses, and constant pools
-def : Pat<(MBWrapper tglobaladdr:$in), (ORI R0, tglobaladdr:$in)>;
-def : Pat<(MBWrapper tjumptable:$in), (ORI R0, tjumptable:$in)>;
-def : Pat<(MBWrapper tconstpool:$in), (ORI R0, tconstpool:$in)>;
+def : Pat<(MBWrapper tglobaladdr:$in), (ORI (i32 R0), tglobaladdr:$in)>;
+def : Pat<(MBWrapper tjumptable:$in), (ORI (i32 R0), tjumptable:$in)>;
+def : Pat<(MBWrapper tconstpool:$in), (ORI (i32 R0), tconstpool:$in)>;
// Misc instructions
-def : Pat<(and CPURegs:$lh, (not CPURegs:$rh)),(ANDN CPURegs:$lh, CPURegs:$rh)>;
-
-// Arithmetic with immediates
-def : Pat<(add CPURegs:$in, imm:$imm),(ADDI CPURegs:$in, imm:$imm)>;
-def : Pat<(or CPURegs:$in, imm:$imm),(ORI CPURegs:$in, imm:$imm)>;
-def : Pat<(xor CPURegs:$in, imm:$imm),(XORI CPURegs:$in, imm:$imm)>;
-
-// extended load and stores
-def : Pat<(extloadi1 iaddr:$src), (LBUI iaddr:$src)>;
-def : Pat<(extloadi8 iaddr:$src), (LBUI iaddr:$src)>;
-def : Pat<(extloadi16 iaddr:$src), (LHUI iaddr:$src)>;
-def : Pat<(extloadi1 xaddr:$src), (LBU xaddr:$src)>;
-def : Pat<(extloadi8 xaddr:$src), (LBU xaddr:$src)>;
-def : Pat<(extloadi16 xaddr:$src), (LHU xaddr:$src)>;
-
-def : Pat<(sextloadi1 iaddr:$src), (SEXT8 (LBUI iaddr:$src))>;
-def : Pat<(sextloadi8 iaddr:$src), (SEXT8 (LBUI iaddr:$src))>;
-def : Pat<(sextloadi16 iaddr:$src), (SEXT16 (LHUI iaddr:$src))>;
-def : Pat<(sextloadi1 xaddr:$src), (SEXT8 (LBU xaddr:$src))>;
-def : Pat<(sextloadi8 xaddr:$src), (SEXT8 (LBU xaddr:$src))>;
-def : Pat<(sextloadi16 xaddr:$src), (SEXT16 (LHU xaddr:$src))>;
-
-// peepholes
-def : Pat<(store (i32 0), iaddr:$dst), (SWI R0, iaddr:$dst)>;
+def : Pat<(and (i32 GPR:$lh), (not (i32 GPR:$rh))),(ANDN GPR:$lh, GPR:$rh)>;
+
+// Convert any extend loads into zero extend loads
+def : Pat<(extloadi8 iaddr:$src), (i32 (LBUI iaddr:$src))>;
+def : Pat<(extloadi16 iaddr:$src), (i32 (LHUI iaddr:$src))>;
+def : Pat<(extloadi8 xaddr:$src), (i32 (LBU xaddr:$src))>;
+def : Pat<(extloadi16 xaddr:$src), (i32 (LHU xaddr:$src))>;
+
+// 32-bit load and store
+def : Pat<(store (i32 GPR:$dst), xaddr:$addr), (SW GPR:$dst, xaddr:$addr)>;
+def : Pat<(load xaddr:$addr), (i32 (LW xaddr:$addr))>;
+
+// 16-bit load and store
+def : Pat<(truncstorei16 (i32 GPR:$dst), xaddr:$addr), (SH GPR:$dst, xaddr:$addr)>;
+def : Pat<(zextloadi16 xaddr:$addr), (i32 (LHU xaddr:$addr))>;
+
+// 8-bit load and store
+def : Pat<(truncstorei8 (i32 GPR:$dst), xaddr:$addr), (SB GPR:$dst, xaddr:$addr)>;
+def : Pat<(zextloadi8 xaddr:$addr), (i32 (LBU xaddr:$addr))>;
+
+// Peepholes
+def : Pat<(store (i32 0), iaddr:$dst), (SWI (i32 R0), iaddr:$dst)>;
//===----------------------------------------------------------------------===//
// Floating Point Support