// 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:$rt)>;
-
// Arithmetic and logical instructions with 3 register operands.
class ArithLogicR<string opstr, RegisterClass RC, bit isComm = 0,
InstrItinClass Itin = NoItinerary,
//===----------------------------------------------------------------------===//
// Instruction definition
//===----------------------------------------------------------------------===//
-
-class LoadImm32< string instr_asm, Operand Od, RegisterClass RC> :
- MipsAsmPseudoInst<(outs RC:$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, $imm32")> ;
-def LoadAddr32Imm : LoadAddressImm<"la", shamt,CPURegs>;
-
//===----------------------------------------------------------------------===//
// MipsI Instructions
//===----------------------------------------------------------------------===//
/// Arithmetic Instructions (3-Operand, R-Type)
def ADDu : ArithLogicR<"addu", CPURegs, 1, IIAlu, add>, ADD_FM<0, 0x21>;
def SUBu : ArithLogicR<"subu", CPURegs, 0, IIAlu, sub>, ADD_FM<0, 0x23>;
+def MUL : ArithLogicR<"mul", CPURegs, 1, IIImul, mul>, ADD_FM<0x1c, 2>;
def ADD : ArithLogicR<"add", CPURegs>, ADD_FM<0, 0x20>;
def SUB : ArithLogicR<"sub", CPURegs>, ADD_FM<0, 0x22>;
def SLT : SetCC_R<"slt", setlt, CPURegs>, ADD_FM<0, 0x2a>;
def MSUB : MArithR<4, "msub", MipsMSub>;
def MSUBU : MArithR<5, "msubu", MipsMSubu>;
-// MUL is a assembly macro in the current used ISAs. In recent ISA's
-// it is a real instruction.
-def MUL : ArithLogicR<"mul", CPURegs, 1, IIImul, mul>, ADD_FM<0x1c, 0x02>;
-
def RDHWR : ReadHardware<CPURegs, HWRegs>;
def EXT : ExtBase<0, "ext", CPURegs>;
def INS : InsBase<4, "ins", CPURegs>;
+/// Move Control Registers From/To CPU Registers
+def MFC0_3OP : MFC3OP<0x10, 0, (outs CPURegs:$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
//===----------------------------------------------------------------------===//