def int_mips_ceqi_d : GCCBuiltin<"__builtin_msa_ceqi_d">,
Intrinsic<[llvm_v2i64_ty], [llvm_v2i64_ty, llvm_i32_ty], [IntrNoMem]>;
+def int_mips_cfcmsa : GCCBuiltin<"__builtin_msa_cfcmsa">,
+ Intrinsic<[llvm_i32_ty], [llvm_i32_ty], []>;
+
def int_mips_cle_s_b : GCCBuiltin<"__builtin_msa_cle_s_b">,
Intrinsic<[llvm_v16i8_ty], [llvm_v16i8_ty, llvm_v16i8_ty], [IntrNoMem]>;
def int_mips_cle_s_h : GCCBuiltin<"__builtin_msa_cle_s_h">,
def int_mips_copy_u_w : GCCBuiltin<"__builtin_msa_copy_u_w">,
Intrinsic<[llvm_i32_ty], [llvm_v4i32_ty, llvm_i32_ty], []>;
+def int_mips_ctcmsa : GCCBuiltin<"__builtin_msa_ctcmsa">,
+ Intrinsic<[], [llvm_i32_ty, llvm_i32_ty], []>;
+
def int_mips_div_s_b : GCCBuiltin<"__builtin_msa_div_s_b">,
Intrinsic<[llvm_v16i8_ty], [llvm_v16i8_ty, llvm_v16i8_ty], [IntrNoMem]>;
def int_mips_div_s_h : GCCBuiltin<"__builtin_msa_div_s_h">,
let Inst{5-0} = minor;
}
+class MSA_ELM_FMT<bits<10> major, bits<6> minor>: MSAInst {
+ let Inst{25-16} = major;
+ let Inst{5-0} = minor;
+}
+
class MSA_ELM_B_FMT<bits<4> major, bits<6> minor>: MSAInst {
let Inst{25-22} = major;
let Inst{21-20} = 0b00;
class CEQI_W_ENC : MSA_I5_FMT<0b000, 0b10, 0b000111>;
class CEQI_D_ENC : MSA_I5_FMT<0b000, 0b11, 0b000111>;
+class CFCMSA_ENC : MSA_ELM_FMT<0b0001111110, 0b011001>;
+
class CLE_S_B_ENC : MSA_3R_FMT<0b100, 0b00, 0b001111>;
class CLE_S_H_ENC : MSA_3R_FMT<0b100, 0b01, 0b001111>;
class CLE_S_W_ENC : MSA_3R_FMT<0b100, 0b10, 0b001111>;
class COPY_U_H_ENC : MSA_ELM_H_FMT<0b0011, 0b011001>;
class COPY_U_W_ENC : MSA_ELM_W_FMT<0b0011, 0b011001>;
+class CTCMSA_ENC : MSA_ELM_FMT<0b0000111110, 0b011001>;
+
class DIV_S_B_ENC : MSA_3R_FMT<0b100, 0b00, 0b010010>;
class DIV_S_H_ENC : MSA_3R_FMT<0b100, 0b01, 0b010010>;
class DIV_S_W_ENC : MSA_3R_FMT<0b100, 0b10, 0b010010>;
class CEQI_D_DESC : MSA_SI5_DESC_BASE<"ceqi.d", int_mips_ceqi_d, NoItinerary,
MSA128D, MSA128D>;
+class CFCMSA_DESC {
+ dag OutOperandList = (outs GPR32:$rd);
+ dag InOperandList = (ins MSACtrl:$cs);
+ string AsmString = "cfcmsa\t$rd, $cs";
+ InstrItinClass Itinerary = NoItinerary;
+ bit hasSideEffects = 1;
+}
+
class CLE_S_B_DESC : MSA_3R_DESC_BASE<"cle_s.b", int_mips_cle_s_b, NoItinerary,
MSA128B, MSA128B>;
class CLE_S_H_DESC : MSA_3R_DESC_BASE<"cle_s.h", int_mips_cle_s_h, NoItinerary,
class COPY_U_W_DESC : MSA_COPY_DESC_BASE<"copy_u.w", int_mips_copy_u_w,
NoItinerary, GPR32, MSA128W>;
+class CTCMSA_DESC {
+ dag OutOperandList = (outs);
+ dag InOperandList = (ins MSACtrl:$cd, GPR32:$rs);
+ string AsmString = "ctcmsa\t$cd, $rs";
+ InstrItinClass Itinerary = NoItinerary;
+ bit hasSideEffects = 1;
+}
+
class DIV_S_B_DESC : MSA_3R_DESC_BASE<"div_s.b", int_mips_div_s_b, NoItinerary,
MSA128B, MSA128B>;
class DIV_S_H_DESC : MSA_3R_DESC_BASE<"div_s.h", int_mips_div_s_h, NoItinerary,
def CEQI_W : CEQI_W_ENC, CEQI_W_DESC, Requires<[HasMSA]>;
def CEQI_D : CEQI_D_ENC, CEQI_D_DESC, Requires<[HasMSA]>;
+def CFCMSA : CFCMSA_ENC, CFCMSA_DESC, Requires<[HasMSA]>;
+
def CLE_S_B : CLE_S_B_ENC, CLE_S_B_DESC, Requires<[HasMSA]>;
def CLE_S_H : CLE_S_H_ENC, CLE_S_H_DESC, Requires<[HasMSA]>;
def CLE_S_W : CLE_S_W_ENC, CLE_S_W_DESC, Requires<[HasMSA]>;
def COPY_U_H : COPY_U_H_ENC, COPY_U_H_DESC, Requires<[HasMSA]>;
def COPY_U_W : COPY_U_W_ENC, COPY_U_W_DESC, Requires<[HasMSA]>;
+def CTCMSA : CTCMSA_ENC, CTCMSA_DESC, Requires<[HasMSA]>;
+
def DIV_S_B : DIV_S_B_ENC, DIV_S_B_DESC, Requires<[HasMSA]>;
def DIV_S_H : DIV_S_H_ENC, DIV_S_H_DESC, Requires<[HasMSA]>;
def DIV_S_W : DIV_S_W_ENC, DIV_S_W_DESC, Requires<[HasMSA]>;
Reserved.set(Mips::DSPEFI);
Reserved.set(Mips::DSPOutFlag);
+ // Reserve MSA control registers.
+ Reserved.set(Mips::MSAIR);
+ Reserved.set(Mips::MSACSR);
+ Reserved.set(Mips::MSAAccess);
+ Reserved.set(Mips::MSASave);
+ Reserved.set(Mips::MSAModify);
+ Reserved.set(Mips::MSARequest);
+ Reserved.set(Mips::MSAMap);
+ Reserved.set(Mips::MSAUnmap);
+
// Reserve RA if in mips16 mode.
if (Subtarget.inMips16Mode()) {
Reserved.set(Mips::RA);
def DSPOutFlag : RegisterWithSubRegs<"", [DSPOutFlag16_19, DSPOutFlag20,
DSPOutFlag21, DSPOutFlag22,
DSPOutFlag23]>;
+
+ // MSA-ASE control registers.
+ def MSAIR : Register<"0">;
+ def MSACSR : Register<"1">;
+ def MSAAccess : Register<"2">;
+ def MSASave : Register<"3">;
+ def MSAModify : Register<"4">;
+ def MSARequest : Register<"5">;
+ def MSAMap : Register<"6">;
+ def MSAUnmap : Register<"7">;
}
//===----------------------------------------------------------------------===//
def MSA128D: RegisterClass<"Mips", [v2i64, v2f64], 128,
(sequence "W%u", 0, 31)>;
+def MSACtrl: RegisterClass<"Mips", [i32], 32, (add
+ MSAIR, MSACSR, MSAAccess, MSASave, MSAModify, MSARequest, MSAMap, MSAUnmap)>;
+
// Hi/Lo Registers
def LO32 : RegisterClass<"Mips", [i32], 32, (add LO0)>;
def HI32 : RegisterClass<"Mips", [i32], 32, (add HI0)>;
MIB.addReg(Mips::DSPEFI, Flag);
}
+unsigned MipsSEDAGToDAGISel::getMSACtrlReg(const SDValue RegIdx) const {
+ switch (cast<ConstantSDNode>(RegIdx)->getZExtValue()) {
+ default:
+ llvm_unreachable("Could not map int to register");
+ case 0: return Mips::MSAIR;
+ case 1: return Mips::MSACSR;
+ case 2: return Mips::MSAAccess;
+ case 3: return Mips::MSASave;
+ case 4: return Mips::MSAModify;
+ case 5: return Mips::MSARequest;
+ case 6: return Mips::MSAMap;
+ case 7: return Mips::MSAUnmap;
+ }
+}
+
bool MipsSEDAGToDAGISel::replaceUsesWithZeroReg(MachineRegisterInfo *MRI,
const MachineInstr& MI) {
unsigned DstReg = 0, ZeroReg = 0;
return std::make_pair(true, RegOpnd);
}
+ case ISD::INTRINSIC_W_CHAIN: {
+ switch (cast<ConstantSDNode>(Node->getOperand(1))->getZExtValue()) {
+ default:
+ break;
+
+ case Intrinsic::mips_cfcmsa: {
+ SDValue ChainIn = Node->getOperand(0);
+ SDValue RegIdx = Node->getOperand(2);
+ SDValue Reg = CurDAG->getCopyFromReg(ChainIn, DL,
+ getMSACtrlReg(RegIdx), MVT::i32);
+ return std::make_pair(true, Reg.getNode());
+ }
+ }
+ break;
+ }
+
+ case ISD::INTRINSIC_VOID: {
+ switch (cast<ConstantSDNode>(Node->getOperand(1))->getZExtValue()) {
+ default:
+ break;
+
+ case Intrinsic::mips_ctcmsa: {
+ SDValue ChainIn = Node->getOperand(0);
+ SDValue RegIdx = Node->getOperand(2);
+ SDValue Value = Node->getOperand(3);
+ SDValue ChainOut = CurDAG->getCopyToReg(ChainIn, DL,
+ getMSACtrlReg(RegIdx), Value);
+ return std::make_pair(true, ChainOut.getNode());
+ }
+ }
+ break;
+ }
+
case MipsISD::ThreadPointer: {
EVT PtrVT = getTargetLowering()->getPointerTy();
unsigned RdhwrOpc, DestReg;
void addDSPCtrlRegOperands(bool IsDef, MachineInstr &MI,
MachineFunction &MF);
+ unsigned getMSACtrlReg(const SDValue RegIdx) const;
+
bool replaceUsesWithZeroReg(MachineRegisterInfo *MRI, const MachineInstr&);
std::pair<SDNode*, SDNode*> selectMULT(SDNode *N, unsigned Opc, SDLoc dl,
.addReg(SrcReg, RegState::Implicit | getKillRegState(KillSrc));
return;
}
+ else if (Mips::MSACtrlRegClass.contains(SrcReg))
+ Opc = Mips::CFCMSA;
}
else if (Mips::GPR32RegClass.contains(SrcReg)) { // Copy from CPU Reg.
if (Mips::CCRRegClass.contains(DestReg))
.addReg(DestReg, RegState::ImplicitDefine);
return;
}
+ else if (Mips::MSACtrlRegClass.contains(DestReg))
+ Opc = Mips::CTCMSA;
}
else if (Mips::FGR32RegClass.contains(DestReg, SrcReg))
Opc = Mips::FMOV_S;
--- /dev/null
+; Test the MSA ctcmsa and cfcmsa intrinsics (which are encoded with the ELM
+; instruction format).
+
+; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
+
+define i32 @msa_ir_cfcmsa_test() nounwind {
+entry:
+ %0 = tail call i32 @llvm.mips.cfcmsa(i32 0)
+ ret i32 %0
+}
+
+; CHECK: msa_ir_cfcmsa_test:
+; CHECK: cfcmsa $[[R1:[0-9]+]], $0
+; CHECK: .size msa_ir_cfcmsa_test
+;
+define i32 @msa_csr_cfcmsa_test() nounwind {
+entry:
+ %0 = tail call i32 @llvm.mips.cfcmsa(i32 1)
+ ret i32 %0
+}
+
+; CHECK: msa_csr_cfcmsa_test:
+; CHECK: cfcmsa $[[R1:[0-9]+]], $1
+; CHECK: .size msa_csr_cfcmsa_test
+;
+define i32 @msa_access_cfcmsa_test() nounwind {
+entry:
+ %0 = tail call i32 @llvm.mips.cfcmsa(i32 2)
+ ret i32 %0
+}
+
+; CHECK: msa_access_cfcmsa_test:
+; CHECK: cfcmsa $[[R1:[0-9]+]], $2
+; CHECK: .size msa_access_cfcmsa_test
+;
+define i32 @msa_save_cfcmsa_test() nounwind {
+entry:
+ %0 = tail call i32 @llvm.mips.cfcmsa(i32 3)
+ ret i32 %0
+}
+
+; CHECK: msa_save_cfcmsa_test:
+; CHECK: cfcmsa $[[R1:[0-9]+]], $3
+; CHECK: .size msa_save_cfcmsa_test
+;
+define i32 @msa_modify_cfcmsa_test() nounwind {
+entry:
+ %0 = tail call i32 @llvm.mips.cfcmsa(i32 4)
+ ret i32 %0
+}
+
+; CHECK: msa_modify_cfcmsa_test:
+; CHECK: cfcmsa $[[R1:[0-9]+]], $4
+; CHECK: .size msa_modify_cfcmsa_test
+;
+define i32 @msa_request_cfcmsa_test() nounwind {
+entry:
+ %0 = tail call i32 @llvm.mips.cfcmsa(i32 5)
+ ret i32 %0
+}
+
+; CHECK: msa_request_cfcmsa_test:
+; CHECK: cfcmsa $[[R1:[0-9]+]], $5
+; CHECK: .size msa_request_cfcmsa_test
+;
+define i32 @msa_map_cfcmsa_test() nounwind {
+entry:
+ %0 = tail call i32 @llvm.mips.cfcmsa(i32 6)
+ ret i32 %0
+}
+
+; CHECK: msa_map_cfcmsa_test:
+; CHECK: cfcmsa $[[R1:[0-9]+]], $6
+; CHECK: .size msa_map_cfcmsa_test
+;
+define i32 @msa_unmap_cfcmsa_test() nounwind {
+entry:
+ %0 = tail call i32 @llvm.mips.cfcmsa(i32 7)
+ ret i32 %0
+}
+
+; CHECK: msa_unmap_cfcmsa_test:
+; CHECK: cfcmsa $[[R1:[0-9]+]], $7
+; CHECK: .size msa_unmap_cfcmsa_test
+;
+define void @msa_ir_ctcmsa_test() nounwind {
+entry:
+ tail call void @llvm.mips.ctcmsa(i32 0, i32 1)
+ ret void
+}
+
+; CHECK: msa_ir_ctcmsa_test:
+; CHECK: ctcmsa $0
+; CHECK: .size msa_ir_ctcmsa_test
+;
+define void @msa_csr_ctcmsa_test() nounwind {
+entry:
+ tail call void @llvm.mips.ctcmsa(i32 1, i32 1)
+ ret void
+}
+
+; CHECK: msa_csr_ctcmsa_test:
+; CHECK: ctcmsa $1
+; CHECK: .size msa_csr_ctcmsa_test
+;
+define void @msa_access_ctcmsa_test() nounwind {
+entry:
+ tail call void @llvm.mips.ctcmsa(i32 2, i32 1)
+ ret void
+}
+
+; CHECK: msa_access_ctcmsa_test:
+; CHECK: ctcmsa $2
+; CHECK: .size msa_access_ctcmsa_test
+;
+define void @msa_save_ctcmsa_test() nounwind {
+entry:
+ tail call void @llvm.mips.ctcmsa(i32 3, i32 1)
+ ret void
+}
+
+; CHECK: msa_save_ctcmsa_test:
+; CHECK: ctcmsa $3
+; CHECK: .size msa_save_ctcmsa_test
+;
+define void @msa_modify_ctcmsa_test() nounwind {
+entry:
+ tail call void @llvm.mips.ctcmsa(i32 4, i32 1)
+ ret void
+}
+
+; CHECK: msa_modify_ctcmsa_test:
+; CHECK: ctcmsa $4
+; CHECK: .size msa_modify_ctcmsa_test
+;
+define void @msa_request_ctcmsa_test() nounwind {
+entry:
+ tail call void @llvm.mips.ctcmsa(i32 5, i32 1)
+ ret void
+}
+
+; CHECK: msa_request_ctcmsa_test:
+; CHECK: ctcmsa $5
+; CHECK: .size msa_request_ctcmsa_test
+;
+define void @msa_map_ctcmsa_test() nounwind {
+entry:
+ tail call void @llvm.mips.ctcmsa(i32 6, i32 1)
+ ret void
+}
+
+; CHECK: msa_map_ctcmsa_test:
+; CHECK: ctcmsa $6
+; CHECK: .size msa_map_ctcmsa_test
+;
+define void @msa_unmap_ctcmsa_test() nounwind {
+entry:
+ tail call void @llvm.mips.ctcmsa(i32 7, i32 1)
+ ret void
+}
+
+; CHECK: msa_unmap_ctcmsa_test:
+; CHECK: ctcmsa $7
+; CHECK: .size msa_unmap_ctcmsa_test
+;
+declare i32 @llvm.mips.cfcmsa(i32) nounwind
+declare void @llvm.mips.ctcmsa(i32, i32) nounwind