}
class SCBaseMM<string opstr, RegisterOperand RO> :
- InstSE<(outs), (ins RO:$rt, mem_mm_12:$addr),
+ InstSE<(outs RO:$dst), (ins RO:$rt, mem_mm_12:$addr),
!strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
let DecoderMethod = "DecodeMemMMImm12";
let mayStore = 1;
+ let Constraints = "$rt = $dst";
}
class LoadMM<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
let mayLoad = 1;
}
+class MoveFromHILOMM<string opstr, RegisterOperand RO, Register UseReg> :
+ MicroMipsInst16<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"),
+ [], II_MFHI_MFLO, FrmR> {
+ let Uses = [UseReg];
+ let hasSideEffects = 0;
+}
+
+class MoveMM16<string opstr, RegisterOperand RO, bit isComm = 0,
+ InstrItinClass Itin = NoItinerary> :
+ MicroMipsInst16<(outs RO:$rd), (ins RO:$rs),
+ !strconcat(opstr, "\t$rd, $rs"), [], Itin, FrmR> {
+ let isCommutable = isComm;
+ let isReMaterializable = 1;
+}
+
+// 16-bit Jump and Link (Call)
+class JumpLinkRegMM16<string opstr, RegisterOperand RO> :
+ MicroMipsInst16<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"),
+ [(MipsJmpLink RO:$rs)], IIBranch, FrmR> {
+ let isCall = 1;
+ let hasDelaySlot = 1;
+ let Defs = [RA];
+}
+
+def MFHI16_MM : MoveFromHILOMM<"mfhi", GPR32Opnd, AC0>, MFHILO_FM_MM16<0x10>;
+def MFLO16_MM : MoveFromHILOMM<"mflo", GPR32Opnd, AC0>, MFHILO_FM_MM16<0x12>;
+def MOVE16_MM : MoveMM16<"move", GPR32Opnd>, MOVE_FM_MM16<0x03>;
+def JALR16_MM : JumpLinkRegMM16<"jalr", GPR32Opnd>, JALR_FM_MM16<0x0e>;
+
+class WaitMM<string opstr> :
+ InstSE<(outs), (ins uimm10:$code_), !strconcat(opstr, "\t$code_"), [],
+ NoItinerary, FrmOther, opstr>;
+
let DecoderNamespace = "MicroMips", Predicates = [InMicroMips] in {
/// Arithmetic Instructions (ALU Immediate)
def ADDiu_MM : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd>,
MULT_FM_MM<0x22c>;
def MULTu_MM : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
MULT_FM_MM<0x26c>;
- def SDIV_MM : MMRel, Div<"div", IIIdiv, GPR32Opnd, [HI0, LO0]>,
+ def SDIV_MM : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
MULT_FM_MM<0x2ac>;
- def UDIV_MM : MMRel, Div<"divu", IIIdiv, GPR32Opnd, [HI0, LO0]>,
+ def UDIV_MM : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
MULT_FM_MM<0x2ec>;
/// Shift Instructions
def SW_MM : Store<"sw", GPR32Opnd>, MMRel, LW_FM_MM<0x3e>;
}
- def LWU_MM : LoadMM<"lwu", GPR32Opnd, zextloadi32, IILoad>, LL_FM_MM<0xe>;
+ def LWU_MM : LoadMM<"lwu", GPR32Opnd, zextloadi32, II_LWU>, LL_FM_MM<0xe>;
/// Load and Store Instructions - unaligned
def LWL_MM : LoadLeftRightMM<"lwl", MipsLWL, GPR32Opnd, mem_mm_12>,
def MSUBU_MM : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM_MM<0x3ec>;
/// Count Leading
- def CLZ_MM : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM_MM<0x16c>;
- def CLO_MM : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM_MM<0x12c>;
+ def CLZ_MM : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM_MM<0x16c>,
+ ISA_MIPS32;
+ def CLO_MM : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM_MM<0x12c>,
+ ISA_MIPS32;
/// Sign Ext In Register Instructions.
- def SEB_MM : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>, SEB_FM_MM<0x0ac>;
- def SEH_MM : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>, SEB_FM_MM<0x0ec>;
+ def SEB_MM : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
+ SEB_FM_MM<0x0ac>, ISA_MIPS32R2;
+ def SEH_MM : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
+ SEB_FM_MM<0x0ec>, ISA_MIPS32R2;
/// Word Swap Bytes Within Halfwords
- def WSBH_MM : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM_MM<0x1ec>;
+ def WSBH_MM : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM_MM<0x1ec>,
+ ISA_MIPS32R2;
def EXT_MM : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>,
EXT_FM_MM<0x2c>;
def JAL_MM : MMRel, JumpLink<"jal", calltarget_mm>, J_FM_MM<0x3d>;
}
def JR_MM : MMRel, IndirectBranch<"jr", GPR32Opnd>, JR_FM_MM<0x3c>;
- def JALR_MM : MMRel, JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM_MM<0x03c>;
- def RET_MM : MMRel, RetBase<"ret", GPR32Opnd>, JR_FM_MM<0x3c>;
+ def JALR_MM : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM_MM<0x03c>;
/// Branch Instructions
def BEQ_MM : MMRel, CBranch<"beq", brtarget_mm, seteq, GPR32Opnd>,
def SYNC_MM : MMRel, SYNC_FT<"sync">, SYNC_FM_MM;
def BREAK_MM : MMRel, BRK_FT<"break">, BRK_FM_MM;
def SYSCALL_MM : MMRel, SYS_FT<"syscall">, SYS_FM_MM;
- def WAIT_MM : MMRel, WAIT_FT<"wait">, WAIT_FM_MM;
+ def WAIT_MM : WaitMM<"wait">, WAIT_FM_MM;
def ERET_MM : MMRel, ER_FT<"eret">, ER_FM_MM<0x3cd>;
def DERET_MM : MMRel, ER_FT<"deret">, ER_FM_MM<0x38d>;
- def EI_MM : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM_MM<0x15d>;
- def DI_MM : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM_MM<0x11d>;
+ def EI_MM : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM_MM<0x15d>,
+ ISA_MIPS32R2;
+ def DI_MM : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM_MM<0x11d>,
+ ISA_MIPS32R2;
/// Trap Instructions
def TEQ_MM : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM_MM<0x0>;
def LL_MM : LLBaseMM<"ll", GPR32Opnd>, LL_FM_MM<0x3>;
def SC_MM : SCBaseMM<"sc", GPR32Opnd>, LL_FM_MM<0xb>;
}
+
+//===----------------------------------------------------------------------===//
+// MicroMips instruction aliases
+//===----------------------------------------------------------------------===//
+
+let Predicates = [InMicroMips] in {
+ def : MipsInstAlias<"wait", (WAIT_MM 0x0), 1>;
+}
projects / oota-llvm.git / blobdiff