// e.g. addi, andi
def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
+// Node immediate fits as 15-bit sign extended on target immediate.
+// e.g. addi, andi
+def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
+
// Node immediate fits as 16-bit zero extended on target immediate.
// The LO16 param means that only the lower 16 bits of the node
// immediate are caught.
// Instructions specific format
//===----------------------------------------------------------------------===//
-/// Move Control Registers From/To CPU Registers
-def MFC0_3OP : MFC3OP<0x10, 0, (outs CPURegs:$rt),
- (ins CPURegs:$rd, uimm16:$sel),"mfc0\t$rt, $rd, $sel">;
-def : InstAlias<"mfc0 $rt, $rd", (MFC0_3OP CPURegs:$rt, CPURegs:$rd, 0)>;
-
-def MTC0_3OP : MFC3OP<0x10, 4, (outs CPURegs:$rd, uimm16:$sel),
- (ins CPURegs:$rt),"mtc0\t$rt, $rd, $sel">;
-def : InstAlias<"mtc0 $rt, $rd", (MTC0_3OP CPURegs:$rd, 0, CPURegs:$rt)>;
-
-def MFC2_3OP : MFC3OP<0x12, 0, (outs CPURegs:$rt),
- (ins CPURegs:$rd, uimm16:$sel),"mfc2\t$rt, $rd, $sel">;
-def : InstAlias<"mfc2 $rt, $rd", (MFC2_3OP CPURegs:$rt, CPURegs:$rd, 0)>;
-
-def MTC2_3OP : MFC3OP<0x12, 4, (outs CPURegs:$rd, uimm16:$sel),
- (ins CPURegs:$rt),"mtc2\t$rt, $rd, $sel">;
-def : InstAlias<"mtc2 $rt, $rd", (MTC2_3OP CPURegs:$rd, 0, CPURegs:$rt)>;
-
// Arithmetic and logical instructions with 3 register operands.
class ArithLogicR<string opstr, RegisterClass RC, bit isComm = 0,
InstrItinClass Itin = NoItinerary,
}
// Arithmetic Multiply ADD/SUB
-let rd = 0, shamt = 0, Defs = [HI, LO], Uses = [HI, LO] in
-class MArithR<bits<6> func, string instr_asm, SDNode op, bit isComm = 0> :
- FR<0x1c, func, (outs), (ins CPURegs:$rs, CPURegs:$rt),
- !strconcat(instr_asm, "\t$rs, $rt"),
- [(op CPURegs:$rs, CPURegs:$rt, LO, HI)], IIImul> {
- let rd = 0;
- let shamt = 0;
+class MArithR<string opstr, SDNode op, bit isComm = 0> :
+ InstSE<(outs), (ins CPURegs:$rs, CPURegs:$rt),
+ !strconcat(opstr, "\t$rs, $rt"),
+ [(op CPURegs:$rs, CPURegs:$rt, LO, HI)], IIImul, FrmR> {
+ let Defs = [HI, LO];
+ let Uses = [HI, LO];
let isCommutable = isComm;
}
// Logical
-class LogicNOR<bits<6> op, bits<6> func, string instr_asm, RegisterClass RC>:
- FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
- !strconcat(instr_asm, "\t$rd, $rs, $rt"),
- [(set RC:$rd, (not (or RC:$rs, RC:$rt)))], IIAlu> {
- let shamt = 0;
+class LogicNOR<string opstr, RegisterClass RC>:
+ InstSE<(outs RC:$rd), (ins RC:$rs, RC:$rt),
+ !strconcat(opstr, "\t$rd, $rs, $rt"),
+ [(set RC:$rd, (not (or RC:$rs, RC:$rt)))], IIAlu, FrmR> {
let isCommutable = 1;
}
[(set RC:$rd, (OpNode RC:$rt, CPURegs:$rs))], IIAlu, FrmR>;
// Load Upper Imediate
-class LoadUpper<bits<6> op, string instr_asm, RegisterClass RC, Operand Imm>:
- FI<op, (outs RC:$rt), (ins Imm:$imm16),
- !strconcat(instr_asm, "\t$rt, $imm16"), [], IIAlu>, IsAsCheapAsAMove {
- let rs = 0;
+class LoadUpper<string opstr, RegisterClass RC, Operand Imm>:
+ InstSE<(outs RC:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
+ [], IIAlu, FrmI>, IsAsCheapAsAMove {
let neverHasSideEffects = 1;
let isReMaterializable = 1;
}
}
// Memory Load/Store
-let canFoldAsLoad = 1 in
-class LoadM<bits<6> op, string instr_asm, PatFrag OpNode, RegisterClass RC,
- Operand MemOpnd, bit Pseudo>:
- FMem<op, (outs RC:$rt), (ins MemOpnd:$addr),
- !strconcat(instr_asm, "\t$rt, $addr"),
- [(set RC:$rt, (OpNode addr:$addr))], IILoad> {
- let isPseudo = Pseudo;
-}
-
-class StoreM<bits<6> op, string instr_asm, PatFrag OpNode, RegisterClass RC,
- Operand MemOpnd, bit Pseudo>:
- FMem<op, (outs), (ins RC:$rt, MemOpnd:$addr),
- !strconcat(instr_asm, "\t$rt, $addr"),
- [(OpNode RC:$rt, addr:$addr)], IIStore> {
- let isPseudo = Pseudo;
-}
-
-// 32-bit load.
-multiclass LoadM32<bits<6> op, string instr_asm, PatFrag OpNode,
- bit Pseudo = 0> {
- def #NAME# : LoadM<op, instr_asm, OpNode, CPURegs, mem, Pseudo>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : LoadM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
- Requires<[IsN64, HasStdEnc]> {
- let DecoderNamespace = "Mips64";
- let isCodeGenOnly = 1;
- }
+class Load<string opstr, PatFrag OpNode, RegisterClass RC, Operand MemOpnd> :
+ InstSE<(outs RC:$rt), (ins MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"),
+ [(set RC:$rt, (OpNode addr:$addr))], NoItinerary, FrmI> {
+ let DecoderMethod = "DecodeMem";
+ let canFoldAsLoad = 1;
}
-// 64-bit load.
-multiclass LoadM64<bits<6> op, string instr_asm, PatFrag OpNode,
- bit Pseudo = 0> {
- def #NAME# : LoadM<op, instr_asm, OpNode, CPU64Regs, mem, Pseudo>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : LoadM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
- Requires<[IsN64, HasStdEnc]> {
- let DecoderNamespace = "Mips64";
- let isCodeGenOnly = 1;
- }
+class Store<string opstr, PatFrag OpNode, RegisterClass RC, Operand MemOpnd> :
+ InstSE<(outs), (ins RC:$rt, MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"),
+ [(OpNode RC:$rt, addr:$addr)], NoItinerary, FrmI> {
+ let DecoderMethod = "DecodeMem";
}
-// 32-bit store.
-multiclass StoreM32<bits<6> op, string instr_asm, PatFrag OpNode,
- bit Pseudo = 0> {
- def #NAME# : StoreM<op, instr_asm, OpNode, CPURegs, mem, Pseudo>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : StoreM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
- Requires<[IsN64, HasStdEnc]> {
+multiclass LoadM<string opstr, PatFrag OpNode, RegisterClass RC> {
+ def #NAME# : Load<opstr, OpNode, RC, mem>, Requires<[NotN64, HasStdEnc]>;
+ def _P8 : Load<opstr, OpNode, RC, mem64>, Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
let isCodeGenOnly = 1;
}
}
-// 64-bit store.
-multiclass StoreM64<bits<6> op, string instr_asm, PatFrag OpNode,
- bit Pseudo = 0> {
- def #NAME# : StoreM<op, instr_asm, OpNode, CPU64Regs, mem, Pseudo>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : StoreM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
- Requires<[IsN64, HasStdEnc]> {
+multiclass StoreM<string opstr, PatFrag OpNode, RegisterClass RC> {
+ def #NAME# : Store<opstr, OpNode, RC, mem>, Requires<[NotN64, HasStdEnc]>;
+ def _P8 : Store<opstr, OpNode, RC, mem64>, Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
let isCodeGenOnly = 1;
}
// Load/Store Left/Right
let canFoldAsLoad = 1 in
-class LoadLeftRight<bits<6> op, string instr_asm, SDNode OpNode,
- RegisterClass RC, Operand MemOpnd> :
- FMem<op, (outs RC:$rt), (ins MemOpnd:$addr, RC:$src),
- !strconcat(instr_asm, "\t$rt, $addr"),
- [(set RC:$rt, (OpNode addr:$addr, RC:$src))], IILoad> {
+class LoadLeftRight<string opstr, SDNode OpNode, RegisterClass RC,
+ Operand MemOpnd> :
+ InstSE<(outs RC:$rt), (ins MemOpnd:$addr, RC:$src),
+ !strconcat(opstr, "\t$rt, $addr"),
+ [(set RC:$rt, (OpNode addr:$addr, RC:$src))], NoItinerary, FrmI> {
+ let DecoderMethod = "DecodeMem";
string Constraints = "$src = $rt";
}
-class StoreLeftRight<bits<6> op, string instr_asm, SDNode OpNode,
- RegisterClass RC, Operand MemOpnd>:
- FMem<op, (outs), (ins RC:$rt, MemOpnd:$addr),
- !strconcat(instr_asm, "\t$rt, $addr"), [(OpNode RC:$rt, addr:$addr)],
- IIStore>;
-
-// 32-bit load left/right.
-multiclass LoadLeftRightM32<bits<6> op, string instr_asm, SDNode OpNode> {
- def #NAME# : LoadLeftRight<op, instr_asm, OpNode, CPURegs, mem>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : LoadLeftRight<op, instr_asm, OpNode, CPURegs, mem64>,
- Requires<[IsN64, HasStdEnc]> {
- let DecoderNamespace = "Mips64";
- let isCodeGenOnly = 1;
- }
-}
-
-// 64-bit load left/right.
-multiclass LoadLeftRightM64<bits<6> op, string instr_asm, SDNode OpNode> {
- def #NAME# : LoadLeftRight<op, instr_asm, OpNode, CPU64Regs, mem>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : LoadLeftRight<op, instr_asm, OpNode, CPU64Regs, mem64>,
- Requires<[IsN64, HasStdEnc]> {
- let DecoderNamespace = "Mips64";
- let isCodeGenOnly = 1;
- }
+class StoreLeftRight<string opstr, SDNode OpNode, RegisterClass RC,
+ Operand MemOpnd>:
+ InstSE<(outs), (ins RC:$rt, MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"),
+ [(OpNode RC:$rt, addr:$addr)], NoItinerary, FrmI> {
+ let DecoderMethod = "DecodeMem";
}
-// 32-bit store left/right.
-multiclass StoreLeftRightM32<bits<6> op, string instr_asm, SDNode OpNode> {
- def #NAME# : StoreLeftRight<op, instr_asm, OpNode, CPURegs, mem>,
+multiclass LoadLeftRightM<string opstr, SDNode OpNode, RegisterClass RC> {
+ def #NAME# : LoadLeftRight<opstr, OpNode, RC, mem>,
Requires<[NotN64, HasStdEnc]>;
- def _P8 : StoreLeftRight<op, instr_asm, OpNode, CPURegs, mem64>,
+ def _P8 : LoadLeftRight<opstr, OpNode, RC, mem64>,
Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
let isCodeGenOnly = 1;
}
}
-// 64-bit store left/right.
-multiclass StoreLeftRightM64<bits<6> op, string instr_asm, SDNode OpNode> {
- def #NAME# : StoreLeftRight<op, instr_asm, OpNode, CPU64Regs, mem>,
+multiclass StoreLeftRightM<string opstr, SDNode OpNode, RegisterClass RC> {
+ def #NAME# : StoreLeftRight<opstr, OpNode, RC, mem>,
Requires<[NotN64, HasStdEnc]>;
- def _P8 : StoreLeftRight<op, instr_asm, OpNode, CPU64Regs, mem64>,
+ def _P8 : StoreLeftRight<opstr, OpNode, RC, mem64>,
Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
let isCodeGenOnly = 1;
}
// Conditional Branch
-class CBranch<bits<6> op, string instr_asm, PatFrag cond_op, RegisterClass RC>:
- BranchBase<op, (outs), (ins RC:$rs, RC:$rt, brtarget:$imm16),
- !strconcat(instr_asm, "\t$rs, $rt, $imm16"),
- [(brcond (i32 (cond_op RC:$rs, RC:$rt)), bb:$imm16)], IIBranch> {
+class CBranch<string opstr, PatFrag cond_op, RegisterClass RC> :
+ InstSE<(outs), (ins RC:$rs, RC:$rt, brtarget:$offset),
+ !strconcat(opstr, "\t$rs, $rt, $offset"),
+ [(brcond (i32 (cond_op RC:$rs, RC:$rt)), bb:$offset)], IIBranch,
+ FrmI> {
let isBranch = 1;
let isTerminator = 1;
let hasDelaySlot = 1;
let Defs = [AT];
}
-class CBranchZero<bits<6> op, bits<5> _rt, string instr_asm, PatFrag cond_op,
- RegisterClass RC>:
- BranchBase<op, (outs), (ins RC:$rs, brtarget:$imm16),
- !strconcat(instr_asm, "\t$rs, $imm16"),
- [(brcond (i32 (cond_op RC:$rs, 0)), bb:$imm16)], IIBranch> {
- let rt = _rt;
+class CBranchZero<string opstr, PatFrag cond_op, RegisterClass RC> :
+ InstSE<(outs), (ins RC:$rs, brtarget:$offset),
+ !strconcat(opstr, "\t$rs, $offset"),
+ [(brcond (i32 (cond_op RC:$rs, 0)), bb:$offset)], IIBranch, FrmI> {
let isBranch = 1;
let isTerminator = 1;
let hasDelaySlot = 1;
}
// SetCC
-class SetCC_R<bits<6> op, bits<6> func, string instr_asm, PatFrag cond_op,
- RegisterClass RC>:
- FR<op, func, (outs CPURegs:$rd), (ins RC:$rs, RC:$rt),
- !strconcat(instr_asm, "\t$rd, $rs, $rt"),
- [(set CPURegs:$rd, (cond_op RC:$rs, RC:$rt))],
- IIAlu> {
- let shamt = 0;
-}
+class SetCC_R<string opstr, PatFrag cond_op, RegisterClass RC> :
+ InstSE<(outs CPURegs:$rd), (ins RC:$rs, RC:$rt),
+ !strconcat(opstr, "\t$rd, $rs, $rt"),
+ [(set CPURegs:$rd, (cond_op RC:$rs, RC:$rt))], IIAlu, FrmR>;
-class SetCC_I<bits<6> op, string instr_asm, PatFrag cond_op, Operand Od,
- PatLeaf imm_type, RegisterClass RC>:
- FI<op, (outs CPURegs:$rt), (ins RC:$rs, Od:$imm16),
- !strconcat(instr_asm, "\t$rt, $rs, $imm16"),
- [(set CPURegs:$rt, (cond_op RC:$rs, imm_type:$imm16))],
- IIAlu>;
+class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
+ RegisterClass RC>:
+ InstSE<(outs CPURegs:$rt), (ins RC:$rs, Od:$imm16),
+ !strconcat(opstr, "\t$rt, $rs, $imm16"),
+ [(set CPURegs:$rt, (cond_op RC:$rs, imm_type:$imm16))], IIAlu, FrmI>;
// Jump
-class JumpFJ<bits<6> op, DAGOperand opnd, string instr_asm,
- SDPatternOperator operator, SDPatternOperator targetoperator>:
- FJ<op, (outs), (ins opnd:$target), !strconcat(instr_asm, "\t$target"),
- [(operator targetoperator:$target)], IIBranch> {
+class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
+ SDPatternOperator targetoperator> :
+ InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
+ [(operator targetoperator:$target)], IIBranch, FrmJ> {
let isTerminator=1;
let isBarrier=1;
let hasDelaySlot = 1;
}
// Unconditional branch
-class UncondBranch<bits<6> op, string instr_asm>:
- BranchBase<op, (outs), (ins brtarget:$imm16),
- !strconcat(instr_asm, "\t$imm16"), [(br bb:$imm16)], IIBranch> {
- let rs = 0;
- let rt = 0;
+class UncondBranch<string opstr> :
+ InstSE<(outs), (ins brtarget:$offset), !strconcat(opstr, "\t$offset"),
+ [(br bb:$offset)], IIBranch, FrmI> {
let isBranch = 1;
let isTerminator = 1;
let isBarrier = 1;
// Base class for indirect branch and return instruction classes.
let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
class JumpFR<RegisterClass RC, SDPatternOperator operator = null_frag>:
- FR<0, 0x8, (outs), (ins RC:$rs), "jr\t$rs", [(operator RC:$rs)], IIBranch> {
- let rt = 0;
- let rd = 0;
- let shamt = 0;
-}
+ InstSE<(outs), (ins RC:$rs), "jr\t$rs", [(operator RC:$rs)], IIBranch, FrmR>;
// Indirect branch
class IndirectBranch<RegisterClass RC>: JumpFR<RC, brind> {
// Jump and Link (Call)
let isCall=1, hasDelaySlot=1, Defs = [RA] in {
- class JumpLink<bits<6> op, string instr_asm>:
- FJ<op, (outs), (ins calltarget:$target),
- !strconcat(instr_asm, "\t$target"), [(MipsJmpLink imm:$target)],
- IIBranch> {
- let DecoderMethod = "DecodeJumpTarget";
- }
-
- class JumpLinkReg<bits<6> op, bits<6> func, string instr_asm,
- RegisterClass RC>:
- FR<op, func, (outs), (ins RC:$rs),
- !strconcat(instr_asm, "\t$rs"), [(MipsJmpLink RC:$rs)], IIBranch> {
- let rt = 0;
- let rd = 31;
- let shamt = 0;
+ class JumpLink<string opstr> :
+ InstSE<(outs), (ins calltarget:$target), !strconcat(opstr, "\t$target"),
+ [(MipsJmpLink imm:$target)], IIBranch, FrmJ> {
+ let DecoderMethod = "DecodeJumpTarget";
}
- class BranchLink<string instr_asm, bits<5> _rt, RegisterClass RC>:
- FI<0x1, (outs), (ins RC:$rs, brtarget:$imm16),
- !strconcat(instr_asm, "\t$rs, $imm16"), [], IIBranch> {
- let rt = _rt;
- }
+ class JumpLinkReg<string opstr, RegisterClass RC>:
+ InstSE<(outs), (ins RC:$rs), !strconcat(opstr, "\t$rs"),
+ [(MipsJmpLink RC:$rs)], IIBranch, FrmR>;
+
+ class BGEZAL_FT<string opstr, RegisterClass RC> :
+ InstSE<(outs), (ins RC:$rs, brtarget:$offset),
+ !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI>;
+
+}
+
+class BAL_FT :
+ InstSE<(outs), (ins brtarget:$offset), "bal\t$offset", [], IIBranch, FrmI> {
+ let isBranch = 1;
+ let isTerminator = 1;
+ let isBarrier = 1;
+ let hasDelaySlot = 1;
+ let Defs = [RA];
}
+// Sync
+let hasSideEffects = 1 in
+class SYNC_FT :
+ InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
+ NoItinerary, FrmOther>;
+
// Mul, Div
-class Mult<bits<6> func, string instr_asm, InstrItinClass itin,
- RegisterClass RC, list<Register> DefRegs>:
- FR<0x00, func, (outs), (ins RC:$rs, RC:$rt),
- !strconcat(instr_asm, "\t$rs, $rt"), [], itin> {
- let rd = 0;
- let shamt = 0;
+class Mult<string opstr, InstrItinClass itin, RegisterClass RC,
+ list<Register> DefRegs> :
+ InstSE<(outs), (ins RC:$rs, RC:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
+ itin, FrmR> {
let isCommutable = 1;
let Defs = DefRegs;
let neverHasSideEffects = 1;
}
-class Mult32<bits<6> func, string instr_asm, InstrItinClass itin>:
- Mult<func, instr_asm, itin, CPURegs, [HI, LO]>;
-
-class Div<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin,
- RegisterClass RC, list<Register> DefRegs>:
- FR<0x00, func, (outs), (ins RC:$rs, RC:$rt),
- !strconcat(instr_asm, "\t$$zero, $rs, $rt"),
- [(op RC:$rs, RC:$rt)], itin> {
- let rd = 0;
- let shamt = 0;
+class Div<SDNode op, string opstr, InstrItinClass itin, RegisterClass RC,
+ list<Register> DefRegs> :
+ InstSE<(outs), (ins RC:$rs, RC:$rt),
+ !strconcat(opstr, "\t$$zero, $rs, $rt"), [(op RC:$rs, RC:$rt)], itin,
+ FrmR> {
let Defs = DefRegs;
}
-class Div32<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin>:
- Div<op, func, instr_asm, itin, CPURegs, [HI, LO]>;
-
// Move from Hi/Lo
-class MoveFromLOHI<bits<6> func, string instr_asm, RegisterClass RC,
- list<Register> UseRegs>:
- FR<0x00, func, (outs RC:$rd), (ins),
- !strconcat(instr_asm, "\t$rd"), [], IIHiLo> {
- let rs = 0;
- let rt = 0;
- let shamt = 0;
+class MoveFromLOHI<string opstr, RegisterClass RC, list<Register> UseRegs>:
+ InstSE<(outs RC:$rd), (ins), !strconcat(opstr, "\t$rd"), [], IIHiLo, FrmR> {
let Uses = UseRegs;
let neverHasSideEffects = 1;
}
-class MoveToLOHI<bits<6> func, string instr_asm, RegisterClass RC,
- list<Register> DefRegs>:
- FR<0x00, func, (outs), (ins RC:$rs),
- !strconcat(instr_asm, "\t$rs"), [], IIHiLo> {
- let rt = 0;
- let rd = 0;
- let shamt = 0;
+class MoveToLOHI<string opstr, RegisterClass RC, list<Register> DefRegs>:
+ InstSE<(outs), (ins RC:$rs), !strconcat(opstr, "\t$rs"), [], IIHiLo, FrmR> {
let Defs = DefRegs;
let neverHasSideEffects = 1;
}
-class EffectiveAddress<bits<6> opc, string instr_asm, RegisterClass RC, Operand Mem> :
- FMem<opc, (outs RC:$rt), (ins Mem:$addr),
- instr_asm, [(set RC:$rt, addr:$addr)], IIAlu> {
- let isCodeGenOnly = 1;
+class EffectiveAddress<string opstr, RegisterClass RC, Operand Mem> :
+ InstSE<(outs RC:$rt), (ins Mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
+ [(set RC:$rt, addr:$addr)], NoItinerary, FrmI> {
+ let isCodeGenOnly = 1;
+ let DecoderMethod = "DecodeMem";
}
// Count Leading Ones/Zeros in Word
-class CountLeading0<bits<6> func, string instr_asm, RegisterClass RC>:
- FR<0x1c, func, (outs RC:$rd), (ins RC:$rs),
- !strconcat(instr_asm, "\t$rd, $rs"),
- [(set RC:$rd, (ctlz RC:$rs))], IIAlu>,
- Requires<[HasBitCount, HasStdEnc]> {
- let shamt = 0;
- let rt = rd;
-}
+class CountLeading0<string opstr, RegisterClass RC>:
+ InstSE<(outs RC:$rd), (ins RC:$rs), !strconcat(opstr, "\t$rd, $rs"),
+ [(set RC:$rd, (ctlz RC:$rs))], IIAlu, FrmR>,
+ Requires<[HasBitCount, HasStdEnc]>;
+
+class CountLeading1<string opstr, RegisterClass RC>:
+ InstSE<(outs RC:$rd), (ins RC:$rs), !strconcat(opstr, "\t$rd, $rs"),
+ [(set RC:$rd, (ctlz (not RC:$rs)))], IIAlu, FrmR>,
+ Requires<[HasBitCount, HasStdEnc]>;
-class CountLeading1<bits<6> func, string instr_asm, RegisterClass RC>:
- FR<0x1c, func, (outs RC:$rd), (ins RC:$rs),
- !strconcat(instr_asm, "\t$rd, $rs"),
- [(set RC:$rd, (ctlz (not RC:$rs)))], IIAlu>,
- Requires<[HasBitCount, HasStdEnc]> {
- let shamt = 0;
- let rt = rd;
-}
// Sign Extend in Register.
-class SignExtInReg<bits<5> sa, string instr_asm, ValueType vt,
- RegisterClass RC>:
- FR<0x1f, 0x20, (outs RC:$rd), (ins RC:$rt),
- !strconcat(instr_asm, "\t$rd, $rt"),
- [(set RC:$rd, (sext_inreg RC:$rt, vt))], NoItinerary> {
- let rs = 0;
- let shamt = sa;
+class SignExtInReg<string opstr, ValueType vt, RegisterClass RC> :
+ InstSE<(outs RC:$rd), (ins RC:$rt), !strconcat(opstr, "\t$rd, $rt"),
+ [(set RC:$rd, (sext_inreg RC:$rt, vt))], NoItinerary, FrmR> {
let Predicates = [HasSEInReg, HasStdEnc];
}
// Subword Swap
-class SubwordSwap<bits<6> func, bits<5> sa, string instr_asm, RegisterClass RC>:
- FR<0x1f, func, (outs RC:$rd), (ins RC:$rt),
- !strconcat(instr_asm, "\t$rd, $rt"), [], NoItinerary> {
- let rs = 0;
- let shamt = sa;
+class SubwordSwap<string opstr, RegisterClass RC>:
+ InstSE<(outs RC:$rd), (ins RC:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
+ NoItinerary, FrmR> {
let Predicates = [HasSwap, HasStdEnc];
let neverHasSideEffects = 1;
}
// Read Hardware
-class ReadHardware<RegisterClass CPURegClass, RegisterClass HWRegClass>
- : FR<0x1f, 0x3b, (outs CPURegClass:$rt), (ins HWRegClass:$rd),
- "rdhwr\t$rt, $rd", [], IIAlu> {
- let rs = 0;
- let shamt = 0;
-}
+class ReadHardware<RegisterClass CPURegClass, RegisterClass HWRegClass> :
+ InstSE<(outs CPURegClass:$rt), (ins HWRegClass:$rd), "rdhwr\t$rt, $rd", [],
+ IIAlu, FrmR>;
// Ext and Ins
-class ExtBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
- FR<0x1f, _funct, (outs RC:$rt), (ins RC:$rs, uimm16:$pos, size_ext:$sz),
- !strconcat(instr_asm, " $rt, $rs, $pos, $sz"),
- [(set RC:$rt, (MipsExt RC:$rs, imm:$pos, imm:$sz))], NoItinerary> {
- bits<5> pos;
- bits<5> sz;
- let rd = sz;
- let shamt = pos;
+class ExtBase<string opstr, RegisterClass RC>:
+ InstSE<(outs RC:$rt), (ins RC:$rs, uimm16:$pos, size_ext:$size),
+ !strconcat(opstr, " $rt, $rs, $pos, $size"),
+ [(set RC:$rt, (MipsExt RC:$rs, imm:$pos, imm:$size))], NoItinerary,
+ FrmR> {
let Predicates = [HasMips32r2, HasStdEnc];
}
-class InsBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
- FR<0x1f, _funct, (outs RC:$rt),
- (ins RC:$rs, uimm16:$pos, size_ins:$sz, RC:$src),
- !strconcat(instr_asm, " $rt, $rs, $pos, $sz"),
- [(set RC:$rt, (MipsIns RC:$rs, imm:$pos, imm:$sz, RC:$src))],
- NoItinerary> {
- bits<5> pos;
- bits<5> sz;
- let rd = sz;
- let shamt = pos;
+class InsBase<string opstr, RegisterClass RC>:
+ InstSE<(outs RC:$rt), (ins RC:$rs, uimm16:$pos, size_ins:$size, RC:$src),
+ !strconcat(opstr, " $rt, $rs, $pos, $size"),
+ [(set RC:$rt, (MipsIns RC:$rs, imm:$pos, imm:$size, RC:$src))],
+ NoItinerary, FrmR> {
let Predicates = [HasMips32r2, HasStdEnc];
let Constraints = "$src = $rt";
}
// Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
-class Atomic2Ops<PatFrag Op, string Opstr, RegisterClass DRC,
- RegisterClass PRC> :
+class Atomic2Ops<PatFrag Op, RegisterClass DRC, RegisterClass PRC> :
PseudoSE<(outs DRC:$dst), (ins PRC:$ptr, DRC:$incr),
- !strconcat("atomic_", Opstr, "\t$dst, $ptr, $incr"),
[(set DRC:$dst, (Op PRC:$ptr, DRC:$incr))]>;
-multiclass Atomic2Ops32<PatFrag Op, string Opstr> {
- def #NAME# : Atomic2Ops<Op, Opstr, CPURegs, CPURegs>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : Atomic2Ops<Op, Opstr, CPURegs, CPU64Regs>,
- Requires<[IsN64, HasStdEnc]> {
+multiclass Atomic2Ops32<PatFrag Op> {
+ def #NAME# : Atomic2Ops<Op, CPURegs, CPURegs>, Requires<[NotN64, HasStdEnc]>;
+ def _P8 : Atomic2Ops<Op, CPURegs, CPU64Regs>,
+ Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
}
}
// Atomic Compare & Swap.
-class AtomicCmpSwap<PatFrag Op, string Width, RegisterClass DRC,
- RegisterClass PRC> :
+class AtomicCmpSwap<PatFrag Op, RegisterClass DRC, RegisterClass PRC> :
PseudoSE<(outs DRC:$dst), (ins PRC:$ptr, DRC:$cmp, DRC:$swap),
- !strconcat("atomic_cmp_swap_", Width, "\t$dst, $ptr, $cmp, $swap"),
[(set DRC:$dst, (Op PRC:$ptr, DRC:$cmp, DRC:$swap))]>;
-multiclass AtomicCmpSwap32<PatFrag Op, string Width> {
- def #NAME# : AtomicCmpSwap<Op, Width, CPURegs, CPURegs>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : AtomicCmpSwap<Op, Width, CPURegs, CPU64Regs>,
+multiclass AtomicCmpSwap32<PatFrag Op> {
+ def #NAME# : AtomicCmpSwap<Op, CPURegs, CPURegs>,
+ Requires<[NotN64, HasStdEnc]>;
+ def _P8 : AtomicCmpSwap<Op, CPURegs, CPU64Regs>,
Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
}
}
-class LLBase<bits<6> Opc, string opstring, RegisterClass RC, Operand Mem> :
- FMem<Opc, (outs RC:$rt), (ins Mem:$addr),
- !strconcat(opstring, "\t$rt, $addr"), [], IILoad> {
+class LLBase<string opstr, RegisterClass RC, Operand Mem> :
+ InstSE<(outs RC:$rt), (ins Mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
+ [], NoItinerary, FrmI> {
+ let DecoderMethod = "DecodeMem";
let mayLoad = 1;
}
-class SCBase<bits<6> Opc, string opstring, RegisterClass RC, Operand Mem> :
- FMem<Opc, (outs RC:$dst), (ins RC:$rt, Mem:$addr),
- !strconcat(opstring, "\t$rt, $addr"), [], IIStore> {
+class SCBase<string opstr, RegisterClass RC, Operand Mem> :
+ InstSE<(outs RC:$dst), (ins RC:$rt, Mem:$addr),
+ !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
+ let DecoderMethod = "DecodeMem";
let mayStore = 1;
let Constraints = "$rt = $dst";
}
// Return RA.
let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
-def RetRA : PseudoSE<(outs), (ins), "", [(MipsRet)]>;
+def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
- "!ADJCALLSTACKDOWN $amt",
[(callseq_start timm:$amt)]>;
def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
- "!ADJCALLSTACKUP $amt1",
[(callseq_end timm:$amt1, timm:$amt2)]>;
}
-// When handling PIC code the assembler needs .cpload and .cprestore
-// directives. If the real instructions corresponding these directives
-// are used, we have the same behavior, but get also a bunch of warnings
-// from the assembler.
-let neverHasSideEffects = 1 in
-def CPRESTORE : PseudoSE<(outs), (ins i32imm:$loc, CPURegs:$gp),
- ".cprestore\t$loc", []>;
-
let usesCustomInserter = 1 in {
- defm ATOMIC_LOAD_ADD_I8 : Atomic2Ops32<atomic_load_add_8, "load_add_8">;
- defm ATOMIC_LOAD_ADD_I16 : Atomic2Ops32<atomic_load_add_16, "load_add_16">;
- defm ATOMIC_LOAD_ADD_I32 : Atomic2Ops32<atomic_load_add_32, "load_add_32">;
- defm ATOMIC_LOAD_SUB_I8 : Atomic2Ops32<atomic_load_sub_8, "load_sub_8">;
- defm ATOMIC_LOAD_SUB_I16 : Atomic2Ops32<atomic_load_sub_16, "load_sub_16">;
- defm ATOMIC_LOAD_SUB_I32 : Atomic2Ops32<atomic_load_sub_32, "load_sub_32">;
- defm ATOMIC_LOAD_AND_I8 : Atomic2Ops32<atomic_load_and_8, "load_and_8">;
- defm ATOMIC_LOAD_AND_I16 : Atomic2Ops32<atomic_load_and_16, "load_and_16">;
- defm ATOMIC_LOAD_AND_I32 : Atomic2Ops32<atomic_load_and_32, "load_and_32">;
- defm ATOMIC_LOAD_OR_I8 : Atomic2Ops32<atomic_load_or_8, "load_or_8">;
- defm ATOMIC_LOAD_OR_I16 : Atomic2Ops32<atomic_load_or_16, "load_or_16">;
- defm ATOMIC_LOAD_OR_I32 : Atomic2Ops32<atomic_load_or_32, "load_or_32">;
- defm ATOMIC_LOAD_XOR_I8 : Atomic2Ops32<atomic_load_xor_8, "load_xor_8">;
- defm ATOMIC_LOAD_XOR_I16 : Atomic2Ops32<atomic_load_xor_16, "load_xor_16">;
- defm ATOMIC_LOAD_XOR_I32 : Atomic2Ops32<atomic_load_xor_32, "load_xor_32">;
- defm ATOMIC_LOAD_NAND_I8 : Atomic2Ops32<atomic_load_nand_8, "load_nand_8">;
- defm ATOMIC_LOAD_NAND_I16 : Atomic2Ops32<atomic_load_nand_16, "load_nand_16">;
- defm ATOMIC_LOAD_NAND_I32 : Atomic2Ops32<atomic_load_nand_32, "load_nand_32">;
-
- defm ATOMIC_SWAP_I8 : Atomic2Ops32<atomic_swap_8, "swap_8">;
- defm ATOMIC_SWAP_I16 : Atomic2Ops32<atomic_swap_16, "swap_16">;
- defm ATOMIC_SWAP_I32 : Atomic2Ops32<atomic_swap_32, "swap_32">;
-
- defm ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap32<atomic_cmp_swap_8, "8">;
- defm ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap32<atomic_cmp_swap_16, "16">;
- defm ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap32<atomic_cmp_swap_32, "32">;
+ defm ATOMIC_LOAD_ADD_I8 : Atomic2Ops32<atomic_load_add_8>;
+ defm ATOMIC_LOAD_ADD_I16 : Atomic2Ops32<atomic_load_add_16>;
+ defm ATOMIC_LOAD_ADD_I32 : Atomic2Ops32<atomic_load_add_32>;
+ defm ATOMIC_LOAD_SUB_I8 : Atomic2Ops32<atomic_load_sub_8>;
+ defm ATOMIC_LOAD_SUB_I16 : Atomic2Ops32<atomic_load_sub_16>;
+ defm ATOMIC_LOAD_SUB_I32 : Atomic2Ops32<atomic_load_sub_32>;
+ defm ATOMIC_LOAD_AND_I8 : Atomic2Ops32<atomic_load_and_8>;
+ defm ATOMIC_LOAD_AND_I16 : Atomic2Ops32<atomic_load_and_16>;
+ defm ATOMIC_LOAD_AND_I32 : Atomic2Ops32<atomic_load_and_32>;
+ defm ATOMIC_LOAD_OR_I8 : Atomic2Ops32<atomic_load_or_8>;
+ defm ATOMIC_LOAD_OR_I16 : Atomic2Ops32<atomic_load_or_16>;
+ defm ATOMIC_LOAD_OR_I32 : Atomic2Ops32<atomic_load_or_32>;
+ defm ATOMIC_LOAD_XOR_I8 : Atomic2Ops32<atomic_load_xor_8>;
+ defm ATOMIC_LOAD_XOR_I16 : Atomic2Ops32<atomic_load_xor_16>;
+ defm ATOMIC_LOAD_XOR_I32 : Atomic2Ops32<atomic_load_xor_32>;
+ defm ATOMIC_LOAD_NAND_I8 : Atomic2Ops32<atomic_load_nand_8>;
+ defm ATOMIC_LOAD_NAND_I16 : Atomic2Ops32<atomic_load_nand_16>;
+ defm ATOMIC_LOAD_NAND_I32 : Atomic2Ops32<atomic_load_nand_32>;
+
+ defm ATOMIC_SWAP_I8 : Atomic2Ops32<atomic_swap_8>;
+ defm ATOMIC_SWAP_I16 : Atomic2Ops32<atomic_swap_16>;
+ defm ATOMIC_SWAP_I32 : Atomic2Ops32<atomic_swap_32>;
+
+ defm ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap32<atomic_cmp_swap_8>;
+ defm ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap32<atomic_cmp_swap_16>;
+ defm ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap32<atomic_cmp_swap_32>;
}
//===----------------------------------------------------------------------===//
// Instruction definition
//===----------------------------------------------------------------------===//
-
-class LoadImm32< string instr_asm, Operand Od, RegisterClass RC> :
- MipsAsmPseudoInst<(outs RC:$rt), (ins Od:$imm32),
- !strconcat(instr_asm, "\t$rt, $imm32")> ;
-def LoadImm32Reg : LoadImm32<"li", shamt,CPURegs>;
-
-class LoadAddress<string instr_asm, Operand MemOpnd, RegisterClass RC> :
- MipsAsmPseudoInst<(outs RC:$rt), (ins MemOpnd:$addr),
- !strconcat(instr_asm, "\t$rt, $addr")> ;
-def LoadAddr32Reg : LoadAddress<"la", mem, CPURegs>;
-
-class LoadAddressImm<string instr_asm, Operand Od, RegisterClass RC> :
- MipsAsmPseudoInst<(outs RC:$rt), (ins Od:$imm32),
- !strconcat(instr_asm, "\t$rt, $imm32")> ;
-def LoadAddr32Imm : LoadAddressImm<"la", shamt,CPURegs>;
-
//===----------------------------------------------------------------------===//
// MipsI Instructions
//===----------------------------------------------------------------------===//
def ADDiu : ArithLogicI<"addiu", simm16, CPURegs, immSExt16, add>,
ADDI_FM<0x9>, IsAsCheapAsAMove;
def ADDi : ArithLogicI<"addi", simm16, CPURegs>, ADDI_FM<0x8>;
-def SLTi : SetCC_I<0x0a, "slti", setlt, simm16, immSExt16, CPURegs>;
-def SLTiu : SetCC_I<0x0b, "sltiu", setult, simm16, immSExt16, CPURegs>;
+def SLTi : SetCC_I<"slti", setlt, simm16, immSExt16, CPURegs>, SLTI_FM<0xa>;
+def SLTiu : SetCC_I<"sltiu", setult, simm16, immSExt16, CPURegs>, SLTI_FM<0xb>;
def ANDi : ArithLogicI<"andi", uimm16, CPURegs, immZExt16, and>, ADDI_FM<0xc>;
def ORi : ArithLogicI<"ori", uimm16, CPURegs, immZExt16, or>, ADDI_FM<0xd>;
def XORi : ArithLogicI<"xori", uimm16, CPURegs, immZExt16, xor>, ADDI_FM<0xe>;
-def LUi : LoadUpper<0x0f, "lui", CPURegs, uimm16>;
+def LUi : LoadUpper<"lui", CPURegs, uimm16>, LUI_FM;
/// Arithmetic Instructions (3-Operand, R-Type)
def ADDu : ArithLogicR<"addu", CPURegs, 1, IIAlu, add>, ADD_FM<0, 0x21>;
def SUBu : ArithLogicR<"subu", CPURegs, 0, IIAlu, sub>, ADD_FM<0, 0x23>;
+def MUL : ArithLogicR<"mul", CPURegs, 1, IIImul, mul>, ADD_FM<0x1c, 2>;
def ADD : ArithLogicR<"add", CPURegs>, ADD_FM<0, 0x20>;
def SUB : ArithLogicR<"sub", CPURegs>, ADD_FM<0, 0x22>;
-def SLT : SetCC_R<0x00, 0x2a, "slt", setlt, CPURegs>;
-def SLTu : SetCC_R<0x00, 0x2b, "sltu", setult, CPURegs>;
+def SLT : SetCC_R<"slt", setlt, CPURegs>, ADD_FM<0, 0x2a>;
+def SLTu : SetCC_R<"sltu", setult, CPURegs>, ADD_FM<0, 0x2b>;
def AND : ArithLogicR<"and", CPURegs, 1, IIAlu, and>, ADD_FM<0, 0x24>;
def OR : ArithLogicR<"or", CPURegs, 1, IIAlu, or>, ADD_FM<0, 0x25>;
def XOR : ArithLogicR<"xor", CPURegs, 1, IIAlu, xor>, ADD_FM<0, 0x26>;
-def NOR : LogicNOR<0x00, 0x27, "nor", CPURegs>;
+def NOR : LogicNOR<"nor", CPURegs>, ADD_FM<0, 0x27>;
/// Shift Instructions
def SLL : shift_rotate_imm32<"sll", shl>, SRA_FM<0, 0>;
/// Load and Store Instructions
/// aligned
-defm LB : LoadM32<0x20, "lb", sextloadi8>;
-defm LBu : LoadM32<0x24, "lbu", zextloadi8>;
-defm LH : LoadM32<0x21, "lh", sextloadi16>;
-defm LHu : LoadM32<0x25, "lhu", zextloadi16>;
-defm LW : LoadM32<0x23, "lw", load>;
-defm SB : StoreM32<0x28, "sb", truncstorei8>;
-defm SH : StoreM32<0x29, "sh", truncstorei16>;
-defm SW : StoreM32<0x2b, "sw", store>;
+defm LB : LoadM<"lb", sextloadi8, CPURegs>, LW_FM<0x20>;
+defm LBu : LoadM<"lbu", zextloadi8, CPURegs>, LW_FM<0x24>;
+defm LH : LoadM<"lh", sextloadi16, CPURegs>, LW_FM<0x21>;
+defm LHu : LoadM<"lhu", zextloadi16, CPURegs>, LW_FM<0x25>;
+defm LW : LoadM<"lw", load, CPURegs>, LW_FM<0x23>;
+defm SB : StoreM<"sb", truncstorei8, CPURegs>, LW_FM<0x28>;
+defm SH : StoreM<"sh", truncstorei16, CPURegs>, LW_FM<0x29>;
+defm SW : StoreM<"sw", store, CPURegs>, LW_FM<0x2b>;
/// load/store left/right
-defm LWL : LoadLeftRightM32<0x22, "lwl", MipsLWL>;
-defm LWR : LoadLeftRightM32<0x26, "lwr", MipsLWR>;
-defm SWL : StoreLeftRightM32<0x2a, "swl", MipsSWL>;
-defm SWR : StoreLeftRightM32<0x2e, "swr", MipsSWR>;
+defm LWL : LoadLeftRightM<"lwl", MipsLWL, CPURegs>, LW_FM<0x22>;
+defm LWR : LoadLeftRightM<"lwr", MipsLWR, CPURegs>, LW_FM<0x26>;
+defm SWL : StoreLeftRightM<"swl", MipsSWL, CPURegs>, LW_FM<0x2a>;
+defm SWR : StoreLeftRightM<"swr", MipsSWR, CPURegs>, LW_FM<0x2e>;
-let hasSideEffects = 1 in
-def SYNC : InstSE<(outs), (ins i32imm:$stype), "sync $stype",
- [(MipsSync imm:$stype)], NoItinerary, FrmOther>
-{
- bits<5> stype;
- let Opcode = 0;
- let Inst{25-11} = 0;
- let Inst{10-6} = stype;
- let Inst{5-0} = 15;
-}
+def SYNC : SYNC_FT, SYNC_FM;
/// Load-linked, Store-conditional
-def LL : LLBase<0x30, "ll", CPURegs, mem>,
- Requires<[NotN64, HasStdEnc]>;
-def LL_P8 : LLBase<0x30, "ll", CPURegs, mem64>,
- Requires<[IsN64, HasStdEnc]> {
- let DecoderNamespace = "Mips64";
+let Predicates = [NotN64, HasStdEnc] in {
+ def LL : LLBase<"ll", CPURegs, mem>, LW_FM<0x30>;
+ def SC : SCBase<"sc", CPURegs, mem>, LW_FM<0x38>;
}
-def SC : SCBase<0x38, "sc", CPURegs, mem>,
- Requires<[NotN64, HasStdEnc]>;
-def SC_P8 : SCBase<0x38, "sc", CPURegs, mem64>,
- Requires<[IsN64, HasStdEnc]> {
- let DecoderNamespace = "Mips64";
+let Predicates = [IsN64, HasStdEnc], DecoderNamespace = "Mips64" in {
+ def LL_P8 : LLBase<"ll", CPURegs, mem64>, LW_FM<0x30>;
+ def SC_P8 : SCBase<"sc", CPURegs, mem64>, LW_FM<0x38>;
}
/// Jump and Branch Instructions
-def J : JumpFJ<0x02, jmptarget, "j", br, bb>,
+def J : JumpFJ<jmptarget, "j", br, bb>, FJ<2>,
Requires<[RelocStatic, HasStdEnc]>, IsBranch;
-def JR : IndirectBranch<CPURegs>;
-def B : UncondBranch<0x04, "b">;
-def BEQ : CBranch<0x04, "beq", seteq, CPURegs>;
-def BNE : CBranch<0x05, "bne", setne, CPURegs>;
-def BGEZ : CBranchZero<0x01, 1, "bgez", setge, CPURegs>;
-def BGTZ : CBranchZero<0x07, 0, "bgtz", setgt, CPURegs>;
-def BLEZ : CBranchZero<0x06, 0, "blez", setle, CPURegs>;
-def BLTZ : CBranchZero<0x01, 0, "bltz", setlt, CPURegs>;
-
-let rt = 0, rs = 0, isBranch = 1, isTerminator = 1, isBarrier = 1,
- hasDelaySlot = 1, Defs = [RA] in
-def BAL_BR: FI<0x1, (outs), (ins brtarget:$imm16), "bal\t$imm16", [], IIBranch>;
-
-def JAL : JumpLink<0x03, "jal">;
-def JALR : JumpLinkReg<0x00, 0x09, "jalr", CPURegs>;
-def BGEZAL : BranchLink<"bgezal", 0x11, CPURegs>;
-def BLTZAL : BranchLink<"bltzal", 0x10, CPURegs>;
-def TAILCALL : JumpFJ<0x02, calltarget, "j", MipsTailCall, imm>, IsTailCall;
-def TAILCALL_R : JumpFR<CPURegs, MipsTailCall>, IsTailCall;
-
-def RET : RetBase<CPURegs>;
+def JR : IndirectBranch<CPURegs>, MTLO_FM<8>;
+def B : UncondBranch<"b">, B_FM;
+def BEQ : CBranch<"beq", seteq, CPURegs>, BEQ_FM<4>;
+def BNE : CBranch<"bne", setne, CPURegs>, BEQ_FM<5>;
+def BGEZ : CBranchZero<"bgez", setge, CPURegs>, BGEZ_FM<1, 1>;
+def BGTZ : CBranchZero<"bgtz", setgt, CPURegs>, BGEZ_FM<7, 0>;
+def BLEZ : CBranchZero<"blez", setle, CPURegs>, BGEZ_FM<6, 0>;
+def BLTZ : CBranchZero<"bltz", setlt, CPURegs>, BGEZ_FM<1, 0>;
+
+def BAL_BR: BAL_FT, BAL_FM;
+
+def JAL : JumpLink<"jal">, FJ<3>;
+def JALR : JumpLinkReg<"jalr", CPURegs>, JALR_FM;
+def BGEZAL : BGEZAL_FT<"bgezal", CPURegs>, BGEZAL_FM<0x11>;
+def BLTZAL : BGEZAL_FT<"bltzal", CPURegs>, BGEZAL_FM<0x10>;
+def TAILCALL : JumpFJ<calltarget, "j", MipsTailCall, imm>, FJ<2>, IsTailCall;
+def TAILCALL_R : JumpFR<CPURegs, MipsTailCall>, MTLO_FM<8>, IsTailCall;
+
+def RET : RetBase<CPURegs>, MTLO_FM<8>;
/// Multiply and Divide Instructions.
-def MULT : Mult32<0x18, "mult", IIImul>;
-def MULTu : Mult32<0x19, "multu", IIImul>;
-def SDIV : Div32<MipsDivRem, 0x1a, "div", IIIdiv>;
-def UDIV : Div32<MipsDivRemU, 0x1b, "divu", IIIdiv>;
+def MULT : Mult<"mult", IIImul, CPURegs, [HI, LO]>, MULT_FM<0, 0x18>;
+def MULTu : Mult<"multu", IIImul, CPURegs, [HI, LO]>, MULT_FM<0, 0x19>;
+def SDIV : Div<MipsDivRem, "div", IIIdiv, CPURegs, [HI, LO]>, MULT_FM<0, 0x1a>;
+def UDIV : Div<MipsDivRemU, "divu", IIIdiv, CPURegs, [HI, LO]>,
+ MULT_FM<0, 0x1b>;
-def MTHI : MoveToLOHI<0x11, "mthi", CPURegs, [HI]>;
-def MTLO : MoveToLOHI<0x13, "mtlo", CPURegs, [LO]>;
-def MFHI : MoveFromLOHI<0x10, "mfhi", CPURegs, [HI]>;
-def MFLO : MoveFromLOHI<0x12, "mflo", CPURegs, [LO]>;
+def MTHI : MoveToLOHI<"mthi", CPURegs, [HI]>, MTLO_FM<0x11>;
+def MTLO : MoveToLOHI<"mtlo", CPURegs, [LO]>, MTLO_FM<0x13>;
+def MFHI : MoveFromLOHI<"mfhi", CPURegs, [HI]>, MFLO_FM<0x10>;
+def MFLO : MoveFromLOHI<"mflo", CPURegs, [LO]>, MFLO_FM<0x12>;
/// Sign Ext In Register Instructions.
-def SEB : SignExtInReg<0x10, "seb", i8, CPURegs>;
-def SEH : SignExtInReg<0x18, "seh", i16, CPURegs>;
+def SEB : SignExtInReg<"seb", i8, CPURegs>, SEB_FM<0x10, 0x20>;
+def SEH : SignExtInReg<"seh", i16, CPURegs>, SEB_FM<0x18, 0x20>;
/// Count Leading
-def CLZ : CountLeading0<0x20, "clz", CPURegs>;
-def CLO : CountLeading1<0x21, "clo", CPURegs>;
+def CLZ : CountLeading0<"clz", CPURegs>, CLO_FM<0x20>;
+def CLO : CountLeading1<"clo", CPURegs>, CLO_FM<0x21>;
/// Word Swap Bytes Within Halfwords
-def WSBH : SubwordSwap<0x20, 0x2, "wsbh", CPURegs>;
+def WSBH : SubwordSwap<"wsbh", CPURegs>, SEB_FM<2, 0x20>;
-/// No operation
-let addr=0 in
- def NOP : FJ<0, (outs), (ins), "nop", [], IIAlu>;
+/// No operation.
+/// FIXME: NOP should be an alias of "sll $0, $0, 0".
+def NOP : InstSE<(outs), (ins), "nop", [], IIAlu, FrmJ>, NOP_FM;
// FrameIndexes are legalized when they are operands from load/store
// instructions. The same not happens for stack address copies, so an
// add op with mem ComplexPattern is used and the stack address copy
// can be matched. It's similar to Sparc LEA_ADDRi
-def LEA_ADDiu : EffectiveAddress<0x09,"addiu\t$rt, $addr", CPURegs, mem_ea>;
+def LEA_ADDiu : EffectiveAddress<"addiu", CPURegs, mem_ea>, LW_FM<9>;
// MADD*/MSUB*
-def MADD : MArithR<0, "madd", MipsMAdd, 1>;
-def MADDU : MArithR<1, "maddu", MipsMAddu, 1>;
-def MSUB : MArithR<4, "msub", MipsMSub>;
-def MSUBU : MArithR<5, "msubu", MipsMSubu>;
+def MADD : MArithR<"madd", MipsMAdd, 1>, MULT_FM<0x1c, 0>;
+def MADDU : MArithR<"maddu", MipsMAddu, 1>, MULT_FM<0x1c, 1>;
+def MSUB : MArithR<"msub", MipsMSub>, MULT_FM<0x1c, 4>;
+def MSUBU : MArithR<"msubu", MipsMSubu>, MULT_FM<0x1c, 5>;
-// MUL is a assembly macro in the current used ISAs. In recent ISA's
-// it is a real instruction.
-def MUL : ArithLogicR<"mul", CPURegs, 1, IIImul, mul>, ADD_FM<0x1c, 0x02>;
+def RDHWR : ReadHardware<CPURegs, HWRegs>, RDHWR_FM;
-def RDHWR : ReadHardware<CPURegs, HWRegs>;
+def EXT : ExtBase<"ext", CPURegs>, EXT_FM<0>;
+def INS : InsBase<"ins", CPURegs>, EXT_FM<4>;
-def EXT : ExtBase<0, "ext", CPURegs>;
-def INS : InsBase<4, "ins", CPURegs>;
+/// Move Control Registers From/To CPU Registers
+def MFC0_3OP : MFC3OP<0x10, 0, (outs CPURegs:$rt),
+ (ins CPURegs:$rd, uimm16:$sel),"mfc0\t$rt, $rd, $sel">;
+def : InstAlias<"mfc0 $rt, $rd", (MFC0_3OP CPURegs:$rt, CPURegs:$rd, 0)>;
+
+def MTC0_3OP : MFC3OP<0x10, 4, (outs CPURegs:$rd, uimm16:$sel),
+ (ins CPURegs:$rt),"mtc0\t$rt, $rd, $sel">;
+def : InstAlias<"mtc0 $rt, $rd", (MTC0_3OP CPURegs:$rd, 0, CPURegs:$rt)>;
+
+def MFC2_3OP : MFC3OP<0x12, 0, (outs CPURegs:$rt),
+ (ins CPURegs:$rd, uimm16:$sel),"mfc2\t$rt, $rd, $sel">;
+def : InstAlias<"mfc2 $rt, $rd", (MFC2_3OP CPURegs:$rt, CPURegs:$rd, 0)>;
+
+def MTC2_3OP : MFC3OP<0x12, 4, (outs CPURegs:$rd, uimm16:$sel),
+ (ins CPURegs:$rt),"mtc2\t$rt, $rd, $sel">;
+def : InstAlias<"mtc2 $rt, $rd", (MTC2_3OP CPURegs:$rd, 0, CPURegs:$rt)>;
//===----------------------------------------------------------------------===//
// Instruction aliases
def : InstAlias<"xor $rs,$rt,$imm",
(XORi CPURegs:$rs,CPURegs:$rt,simm16:$imm)>;
+//===----------------------------------------------------------------------===//
+// Assembler Pseudo Instructions
+//===----------------------------------------------------------------------===//
+
+class LoadImm32< string instr_asm, Operand Od, RegisterClass RC> :
+ MipsAsmPseudoInst<(outs RC:$rt), (ins Od:$imm32),
+ !strconcat(instr_asm, "\t$rt, $imm32")> ;
+def LoadImm32Reg : LoadImm32<"li", shamt,CPURegs>;
+
+class LoadAddress<string instr_asm, Operand MemOpnd, RegisterClass RC> :
+ MipsAsmPseudoInst<(outs RC:$rt), (ins MemOpnd:$addr),
+ !strconcat(instr_asm, "\t$rt, $addr")> ;
+def LoadAddr32Reg : LoadAddress<"la", mem, CPURegs>;
+
+class LoadAddressImm<string instr_asm, Operand Od, RegisterClass RC> :
+ MipsAsmPseudoInst<(outs RC:$rt), (ins Od:$imm32),
+ !strconcat(instr_asm, "\t$rt, $imm32")> ;
+def LoadAddr32Imm : LoadAddressImm<"la", shamt,CPURegs>;
+
+
+
//===----------------------------------------------------------------------===//
// Arbitrary patterns that map to one or more instructions
//===----------------------------------------------------------------------===//
projects / oota-llvm.git / blobdiff