diff --git a/llvm/lib/Target/CSKY/AsmParser/CSKYAsmParser.cpp b/llvm/lib/Target/CSKY/AsmParser/CSKYAsmParser.cpp
--- a/llvm/lib/Target/CSKY/AsmParser/CSKYAsmParser.cpp
+++ b/llvm/lib/Target/CSKY/AsmParser/CSKYAsmParser.cpp
@@ -7,6 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "MCTargetDesc/CSKYMCExpr.h"
 #include "MCTargetDesc/CSKYMCTargetDesc.h"
 #include "TargetInfo/CSKYTargetInfo.h"
 #include "llvm/ADT/STLExtras.h"
@@ -58,6 +59,8 @@
   OperandMatchResultTy parseImmediate(OperandVector &Operands);
   OperandMatchResultTy parseRegister(OperandVector &Operands);
   OperandMatchResultTy parseBaseRegImm(OperandVector &Operands);
+  OperandMatchResultTy parseCSKYSymbol(OperandVector &Operands);
+  OperandMatchResultTy parseConstpoolSymbol(OperandVector &Operands);
 
   bool parseOperand(OperandVector &Operands, StringRef Mnemonic);
 
@@ -171,6 +174,20 @@
   bool isUImm12Shift1() { return isUImm<12, 1>(); }
   bool isUImm12Shift2() { return isUImm<12, 2>(); }
 
+  bool isSImm16Shift1() { return isSImm<16, 1>(); }
+
+  bool isCSKYSymbol() const {
+    int64_t Imm;
+    // Must be of 'immediate' type but not a constant.
+    return isImm() && !evaluateConstantImm(getImm(), Imm);
+  }
+
+  bool isConstpoolSymbol() const {
+    int64_t Imm;
+    // Must be of 'immediate' type but not a constant.
+    return isImm() && !evaluateConstantImm(getImm(), Imm);
+  }
+
   /// Gets location of the first token of this operand.
   SMLoc getStartLoc() const override { return StartLoc; }
   /// Gets location of the last token of this operand.
@@ -350,6 +367,14 @@
         "immediate must be a multiple of 4 bytes in the range");
   case Match_InvalidUImm16:
     return generateImmOutOfRangeError(Operands, ErrorInfo, 0, (1 << 16) - 1);
+  case Match_InvalidCSKYSymbol: {
+    SMLoc ErrorLoc = ((CSKYOperand &)*Operands[ErrorInfo]).getStartLoc();
+    return Error(ErrorLoc, "operand must be a symbol name");
+  }
+  case Match_InvalidConstpool: {
+    SMLoc ErrorLoc = ((CSKYOperand &)*Operands[ErrorInfo]).getStartLoc();
+    return Error(ErrorLoc, "operand must be a constpool symbol name");
+  }
   }
 
   llvm_unreachable("Unknown match type detected!");
@@ -482,6 +507,15 @@
 /// information, adding to Operands. If operand was parsed, returns false, else
 /// true.
 bool CSKYAsmParser::parseOperand(OperandVector &Operands, StringRef Mnemonic) {
+  // Check if the current operand has a custom associated parser, if so, try to
+  // custom parse the operand, or fallback to the general approach.
+  OperandMatchResultTy Result =
+      MatchOperandParserImpl(Operands, Mnemonic, /*ParseForAllFeatures=*/true);
+  if (Result == MatchOperand_Success)
+    return false;
+  if (Result == MatchOperand_ParseFail)
+    return true;
+
   // Attempt to parse token as register
   if (parseRegister(Operands) == MatchOperand_Success)
     return false;
@@ -500,6 +534,68 @@
   return true;
 }
 
+OperandMatchResultTy CSKYAsmParser::parseCSKYSymbol(OperandVector &Operands) {
+  SMLoc S = getLoc();
+  SMLoc E = SMLoc::getFromPointer(S.getPointer() - 1);
+
+  if (getLexer().getKind() != AsmToken::Identifier)
+    return MatchOperand_NoMatch;
+
+  StringRef Identifier;
+  if (getParser().parseIdentifier(Identifier))
+    return MatchOperand_ParseFail;
+
+  CSKYMCExpr::VariantKind Kind = CSKYMCExpr::VK_CSKY_None;
+
+  if (Identifier.consume_back("@GOT"))
+    Kind = CSKYMCExpr::VK_CSKY_GOT;
+  else if (Identifier.consume_back("@GOTOFF"))
+    Kind = CSKYMCExpr::VK_CSKY_GOTOFF;
+  else if (Identifier.consume_back("@PLT"))
+    Kind = CSKYMCExpr::VK_CSKY_PLT;
+  else if (Identifier.consume_back("@GOTPC"))
+    Kind = CSKYMCExpr::VK_CSKY_GOTPC;
+
+  MCSymbol *Sym = getContext().getOrCreateSymbol(Identifier);
+  const MCExpr *Res =
+      MCSymbolRefExpr::create(Sym, MCSymbolRefExpr::VK_None, getContext());
+
+  if (Kind != CSKYMCExpr::VK_CSKY_None)
+    Res = CSKYMCExpr::create(Res, Kind, getContext());
+
+  Operands.push_back(CSKYOperand::createImm(Res, S, E));
+  return MatchOperand_Success;
+}
+
+OperandMatchResultTy
+CSKYAsmParser::parseConstpoolSymbol(OperandVector &Operands) {
+  SMLoc S = getLoc();
+  SMLoc E = SMLoc::getFromPointer(S.getPointer() - 1);
+
+  if (getLexer().getKind() != AsmToken::LBrac)
+    return MatchOperand_NoMatch;
+
+  getLexer().Lex(); // Eat '['.
+
+  if (getLexer().getKind() != AsmToken::Identifier)
+    return MatchOperand_NoMatch;
+
+  StringRef Identifier;
+  if (getParser().parseIdentifier(Identifier))
+    return MatchOperand_ParseFail;
+
+  if (getLexer().getKind() != AsmToken::RBrac)
+    return MatchOperand_NoMatch;
+
+  getLexer().Lex(); // Eat ']'.
+
+  MCSymbol *Sym = getContext().getOrCreateSymbol(Identifier);
+  const MCExpr *Res =
+      MCSymbolRefExpr::create(Sym, MCSymbolRefExpr::VK_None, getContext());
+  Operands.push_back(CSKYOperand::createImm(Res, S, E));
+  return MatchOperand_Success;
+}
+
 bool CSKYAsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
                                      SMLoc NameLoc, OperandVector &Operands) {
   // First operand is token for instruction.
diff --git a/llvm/lib/Target/CSKY/CSKYInstrFormats.td b/llvm/lib/Target/CSKY/CSKYInstrFormats.td
--- a/llvm/lib/Target/CSKY/CSKYInstrFormats.td
+++ b/llvm/lib/Target/CSKY/CSKYInstrFormats.td
@@ -54,13 +54,14 @@
                  pattern> {
   bits<26> offset;
   let Inst{25 - 0} = offset;
+  let isCall = 1;
+  let Defs = [ R15 ];
 }
 
 // Format< OP[6] | RZ[5] | SOP[3] | OFFSET[18] >
 // Instructions(7): grs, lrs32.b, lrs32.h, lrs32.w, srs32.b, srs32.h, srs32.w
-class I_18_Z_L<bits<3> sop, string op, dag outs, dag ins, list<dag> pattern>
-    : CSKY32Inst<AddrModeNone, 0x33, outs, ins,
-                 !strconcat(op, "\t$rz, $offset"), pattern> {
+class I_18_Z_L<bits<3> sop, string asm, dag outs, dag ins, list<dag> pattern>
+    : CSKY32Inst<AddrModeNone, 0x33, outs, ins, asm, pattern> {
   bits<5> rz;
   bits<18> offset;
   let Inst{25 - 21} = rz;
@@ -102,7 +103,7 @@
 // Instructions(1): lrw32
 class I_16_Z_L<bits<5> sop, string op, dag ins, list<dag> pattern>
   : CSKY32Inst<AddrModeNone, 0x3a, (outs GPR:$rz), ins,
-  !strconcat(op, "\t$rz, [$imm16]"), pattern> {
+  !strconcat(op, "\t$rz, $imm16"), pattern> {
   bits<5> rz;
   bits<16> imm16;
   let Inst{25 - 21} = sop;
@@ -112,9 +113,8 @@
 
 // Format< OP[6] | SOP[5] | 00000[5] | OFFSET[16] >
 // Instructions(5): bt32, bf32, br32, jmpi32, jsri32
-class I_16_L<bits<5> sop, dag outs, dag ins, string op, list<dag> pattern>
-    : CSKY32Inst<AddrModeNone, 0x3a, outs, ins, !strconcat(op, "\t$imm16"),
-                 pattern> {
+class I_16_L<bits<5> sop, dag outs, dag ins, string asm, list<dag> pattern>
+    : CSKY32Inst<AddrModeNone, 0x3a, outs, ins, asm, pattern> {
   bits<16> imm16;
   let Inst{25 - 21} = sop;
   let Inst{20 - 16} = 0;
@@ -159,6 +159,19 @@
   let isBarrier = 1;
 }
 
+// Instructions(1): rte32
+class I_16_RET_I<bits<5> sop, bits<5> pcode, string op, list<dag> pattern>
+    : CSKY32Inst<AddrModeNone, 0x30, (outs), (ins), op, pattern> {
+  let Inst{25 - 21} = sop;
+  let Inst{20 - 16} = pcode;
+  let Inst{15 - 10} = 0x10;
+  let Inst{9 - 5} = 1;
+  let Inst{4 - 0} = 0;
+  let isTerminator = 1;
+  let isReturn = 1;
+  let isBarrier = 1;
+}
+
 // Format< OP[6] | SOP[5] | RX[5] | IMM16[16] >
 // Instructions(3): cmpnei32, cmphsi32, cmplti32
 class I_16_X<bits<5> sop, string op, Operand operand>
diff --git a/llvm/lib/Target/CSKY/CSKYInstrInfo.td b/llvm/lib/Target/CSKY/CSKYInstrInfo.td
--- a/llvm/lib/Target/CSKY/CSKYInstrInfo.td
+++ b/llvm/lib/Target/CSKY/CSKYInstrInfo.td
@@ -15,7 +15,9 @@
 // CSKY specific DAG Nodes.
 //===----------------------------------------------------------------------===//
 
-// TODO: Add CSKY specific DAG Nodes.
+// Target-dependent nodes.
+def CSKY_RET : SDNode<"CSKYISD::RET", SDTNone,
+    [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
 
 //===----------------------------------------------------------------------===//
 // Operand and SDNode transformation definitions.
@@ -81,6 +83,41 @@
   let ParserMatchClass = UImmAsmOperand<2>;
 }
 
+def CSKYSymbol : AsmOperandClass {
+  let Name = "CSKYSymbol";
+  let RenderMethod = "addImmOperands";
+  let DiagnosticType = "InvalidCSKYSymbol";
+  let ParserMethod = "parseCSKYSymbol";
+}
+
+def br_symbol : Operand<iPTR> {
+  let EncoderMethod =
+    "getBranchSymbolOpValue<CSKY::fixup_csky_pcrel_imm16_scale2>";
+  let ParserMatchClass = CSKYSymbol;
+}
+
+def call_symbol : Operand<iPTR> {
+  let ParserMatchClass = CSKYSymbol;
+  let EncoderMethod = "getCallSymbolOpValue";
+}
+
+def Constpool : AsmOperandClass {
+  let Name = "ConstpoolSymbol";
+  let RenderMethod = "addImmOperands";
+  let DiagnosticType = "InvalidConstpool";
+  let ParserMethod = "parseConstpoolSymbol";
+}
+
+def constpool_symbol : Operand<iPTR> {
+  let ParserMatchClass = Constpool;
+  let EncoderMethod =
+    "getConstpoolSymbolOpValue<CSKY::fixup_csky_pcrel_uimm16_scale4>";
+}
+
+def bare_symbol : Operand<iPTR> {
+  let ParserMatchClass = CSKYSymbol;
+  let EncoderMethod = "getBareSymbolOpValue";
+}
 
 def oimm12 : oimm<12>;
 def oimm16 : oimm<16>;
@@ -229,3 +266,69 @@
 
 def MVC32 : R_Z_1<0x1, 0x8, "mvc32">;
 def MVCV32 : R_Z_1<0x1, 0x10, "mvcv32">;
+
+//===----------------------------------------------------------------------===//
+// Branch and call instructions.
+//===----------------------------------------------------------------------===//
+
+let isBranch = 1, isTerminator = 1 in {
+  let isBarrier = 1, isPredicable = 1 in
+    def BR32 : I_16_L<0x0, (outs), (ins br_symbol:$imm16), "br32\t$imm16",
+                     [(br bb:$imm16)]>;
+
+  def BT32 : I_16_L<0x3, (outs), (ins CARRY:$ca, br_symbol:$imm16),
+    "bt32\t$imm16", [(brcond CARRY:$ca, bb:$imm16)]>;
+  def BF32 : I_16_L<0x2, (outs), (ins CARRY:$ca, br_symbol:$imm16),
+    "bf32\t$imm16", []>;
+}
+
+
+def BEZ32 : I_16_X_L<0x8, "bez32", br_symbol>;
+def BNEZ32 : I_16_X_L<0x9, "bnez32", br_symbol>;
+def BHZ32 : I_16_X_L<0xA, "bhz32", br_symbol>;
+def BLSZ32 : I_16_X_L<0xB, "blsz32", br_symbol>;
+def BLZ32 : I_16_X_L<0xC, "blz32", br_symbol>;
+def BHSZ32 : I_16_X_L<0xD, "bhsz32", br_symbol>;
+
+let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
+  def JMP32 : I_16_JX<0x6, "jmp32", [(brind GPR:$rx)]>; // jmp to register
+  def JMPI32 : I_16_L<0x16, (outs), (ins constpool_symbol:$imm16),
+                   "jmpi32\t$imm16", []>;
+}
+
+let isCall = 1, Defs = [ R15 ] in
+  def JSR32 : I_16_JX<0x7, "jsr32", []>;
+
+let isCall = 1, Defs = [ R15 ] , mayLoad = 1 in
+  def JSRI32: I_16_L<0x17, (outs),
+    (ins constpool_symbol:$imm16), "jsri32\t$imm16", []>;
+
+
+def BSR32 : J<0x38, (outs), (ins call_symbol:$offset), "bsr32", []>;
+
+def BSR32_BR : J<0x38, (outs), (ins call_symbol:$offset), "bsr32", []>{
+  let isCodeGenOnly = 1;
+  let isBranch = 1;
+  let isTerminator = 1;
+  let isBarrier = 1;
+  let isPredicable = 1;
+  let Defs = [ R15 ];
+}
+
+def RTS32 : I_16_RET<0x6, 0xF, "rts32", [(CSKY_RET)]>;
+
+
+def RTE32 : I_16_RET_I<0, 0, "rte32", []>;
+
+//===----------------------------------------------------------------------===//
+// Symbol address instructions.
+//===----------------------------------------------------------------------===//
+
+def GRS32 : I_18_Z_L<0x3, "grs32\t$rz, $offset",
+                    (outs GPR:$rz), (ins bare_symbol:$offset), []>;
+
+let mayLoad = 1, mayStore = 0 in {
+def LRW32 : I_16_Z_L<0x14, "lrw32", (ins constpool_symbol:$imm16), []>;
+let isCodeGenOnly = 1 in
+def LRW32_Gen : I_16_Z_L<0x14, "lrw32", (ins bare_symbol:$src1, constpool_symbol:$imm16), []>;
+}
\ No newline at end of file
diff --git a/llvm/lib/Target/CSKY/MCTargetDesc/CMakeLists.txt b/llvm/lib/Target/CSKY/MCTargetDesc/CMakeLists.txt
--- a/llvm/lib/Target/CSKY/MCTargetDesc/CMakeLists.txt
+++ b/llvm/lib/Target/CSKY/MCTargetDesc/CMakeLists.txt
@@ -3,6 +3,7 @@
   CSKYELFObjectWriter.cpp
   CSKYInstPrinter.cpp
   CSKYMCAsmInfo.cpp
+  CSKYMCExpr.cpp
   CSKYMCTargetDesc.cpp
   CSKYMCCodeEmitter.cpp
 
diff --git a/llvm/lib/Target/CSKY/MCTargetDesc/CSKYAsmBackend.h b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYAsmBackend.h
--- a/llvm/lib/Target/CSKY/MCTargetDesc/CSKYAsmBackend.h
+++ b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYAsmBackend.h
@@ -9,6 +9,7 @@
 #ifndef LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYASMBACKEND_H
 #define LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYASMBACKEND_H
 
+#include "MCTargetDesc/CSKYFixupKinds.h"
 #include "llvm/MC/MCAsmBackend.h"
 #include "llvm/MC/MCTargetOptions.h"
 
@@ -20,17 +21,26 @@
   CSKYAsmBackend(const MCSubtargetInfo &STI, const MCTargetOptions &OP)
       : MCAsmBackend(support::little) {}
 
-  unsigned int getNumFixupKinds() const override;
+  unsigned int getNumFixupKinds() const override {
+    return CSKY::NumTargetFixupKinds;
+  }
+
   void applyFixup(const MCAssembler &Asm, const MCFixup &Fixup,
                   const MCValue &Target, MutableArrayRef<char> Data,
                   uint64_t Value, bool IsResolved,
                   const MCSubtargetInfo *STI) const override;
+
+  const MCFixupKindInfo &getFixupKindInfo(MCFixupKind Kind) const override;
+
   bool fixupNeedsRelaxation(const MCFixup &Fixup, uint64_t Value,
                             const MCRelaxableFragment *DF,
                             const MCAsmLayout &Layout) const override;
+
   void relaxInstruction(MCInst &Inst,
                         const MCSubtargetInfo &STI) const override;
+
   bool writeNopData(raw_ostream &OS, uint64_t Count) const override;
+
   std::unique_ptr<MCObjectTargetWriter>
   createObjectTargetWriter() const override;
 };
diff --git a/llvm/lib/Target/CSKY/MCTargetDesc/CSKYAsmBackend.cpp b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYAsmBackend.cpp
--- a/llvm/lib/Target/CSKY/MCTargetDesc/CSKYAsmBackend.cpp
+++ b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYAsmBackend.cpp
@@ -8,6 +8,7 @@
 
 #include "CSKYAsmBackend.h"
 #include "MCTargetDesc/CSKYMCTargetDesc.h"
+#include "llvm/ADT/DenseMap.h"
 #include "llvm/MC/MCAsmLayout.h"
 #include "llvm/MC/MCAssembler.h"
 #include "llvm/MC/MCContext.h"
@@ -24,14 +25,113 @@
   return createCSKYELFObjectWriter();
 }
 
-unsigned int CSKYAsmBackend::getNumFixupKinds() const { return 1; }
+const MCFixupKindInfo &
+CSKYAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
+
+  static llvm::DenseMap<unsigned, MCFixupKindInfo> Infos = {
+      {CSKY::Fixups::fixup_csky_addr32, {"fixup_csky_addr32", 0, 32, 0}},
+      {CSKY::Fixups::fixup_csky_pcrel_imm16_scale2,
+       {"fixup_csky_pcrel_imm16_scale2", 0, 32, MCFixupKindInfo::FKF_IsPCRel}},
+      {CSKY::Fixups::fixup_csky_pcrel_uimm16_scale4,
+       {"fixup_csky_pcrel_uimm16_scale4", 0, 32, MCFixupKindInfo::FKF_IsPCRel}},
+      {CSKY::Fixups::fixup_csky_pcrel_imm26_scale2,
+       {"fixup_csky_pcrel_imm26_scale2", 0, 32, MCFixupKindInfo::FKF_IsPCRel}},
+      {CSKY::Fixups::fixup_csky_pcrel_imm18_scale2,
+       {"fixup_csky_pcrel_imm18_scale2", 0, 32, MCFixupKindInfo::FKF_IsPCRel}}};
+  assert(Infos.size() == CSKY::NumTargetFixupKinds &&
+         "Not all fixup kinds added to Infos array");
+
+  assert(unsigned(Kind - FirstTargetFixupKind) < getNumFixupKinds() &&
+         "Invalid kind!");
+  if (FirstTargetFixupKind <= Kind && Kind < FirstLiteralRelocationKind)
+    return Infos[Kind];
+  else if (Kind < FirstTargetFixupKind)
+    return MCAsmBackend::getFixupKindInfo(Kind);
+  else
+    return MCAsmBackend::getFixupKindInfo(FK_NONE);
+}
+
+static uint64_t adjustFixupValue(const MCFixup &Fixup, uint64_t Value,
+                                 MCContext &Ctx) {
+  switch (Fixup.getTargetKind()) {
+  default:
+    llvm_unreachable("Unknown fixup kind!");
+  case FK_Data_1:
+  case FK_Data_2:
+  case FK_Data_4:
+  case FK_Data_8:
+    return Value;
+  case CSKY::fixup_csky_addr32:
+    return Value & 0xffffffff;
+  case CSKY::fixup_csky_pcrel_imm16_scale2:
+    if (!isIntN(17, Value))
+      Ctx.reportError(Fixup.getLoc(), "out of range pc-relative fixup value.");
+    if (Value & 0x1)
+      Ctx.reportError(Fixup.getLoc(), "fixup value must be 2-byte aligned.");
+
+    return (Value >> 1) & 0xffff;
+  case CSKY::fixup_csky_pcrel_uimm16_scale4:
+    if (!isUIntN(18, Value))
+      Ctx.reportError(Fixup.getLoc(), "out of range pc-relative fixup value.");
+    if (Value & 0x3)
+      Ctx.reportError(Fixup.getLoc(), "fixup value must be 4-byte aligned.");
+
+    return (Value >> 2) & 0xffff;
+  case CSKY::fixup_csky_pcrel_imm26_scale2:
+    if (!isIntN(27, Value))
+      Ctx.reportError(Fixup.getLoc(), "out of range pc-relative fixup value.");
+    if (Value & 0x1)
+      Ctx.reportError(Fixup.getLoc(), "fixup value must be 2-byte aligned.");
+
+    return (Value >> 1) & 0x3ffffff;
+  case CSKY::fixup_csky_pcrel_imm18_scale2:
+    if (!isIntN(19, Value))
+      Ctx.reportError(Fixup.getLoc(), "out of range pc-relative fixup value.");
+    if (Value & 0x1)
+      Ctx.reportError(Fixup.getLoc(), "fixup value must be 2-byte aligned.");
+
+    return (Value >> 1) & 0x3ffff;
+  }
+}
 
 void CSKYAsmBackend::applyFixup(const MCAssembler &Asm, const MCFixup &Fixup,
                                 const MCValue &Target,
                                 MutableArrayRef<char> Data, uint64_t Value,
                                 bool IsResolved,
                                 const MCSubtargetInfo *STI) const {
-  return;
+  MCFixupKind Kind = Fixup.getKind();
+  if (Kind >= FirstLiteralRelocationKind)
+    return;
+  MCContext &Ctx = Asm.getContext();
+  MCFixupKindInfo Info = getFixupKindInfo(Kind);
+  if (!Value)
+    return; // Doesn't change encoding.
+  // Apply any target-specific value adjustments.
+  Value = adjustFixupValue(Fixup, Value, Ctx);
+
+  // Shift the value into position.
+  Value <<= Info.TargetOffset;
+
+  unsigned Offset = Fixup.getOffset();
+  unsigned NumBytes = alignTo(Info.TargetSize + Info.TargetOffset, 8) / 8;
+
+  assert(Offset + NumBytes <= Data.size() && "Invalid fixup offset!");
+
+  // For each byte of the fragment that the fixup touches, mask in the
+  // bits from the fixup value.
+  bool IsLittleEndian = (Endian == support::little);
+
+  if (IsLittleEndian && (NumBytes == 4)) {
+    Data[Offset + 0] |= uint8_t((Value >> 16) & 0xff);
+    Data[Offset + 1] |= uint8_t((Value >> 24) & 0xff);
+    Data[Offset + 2] |= uint8_t(Value & 0xff);
+    Data[Offset + 3] |= uint8_t((Value >> 8) & 0xff);
+  } else {
+    for (unsigned I = 0; I != NumBytes; I++) {
+      unsigned Idx = IsLittleEndian ? I : (NumBytes - 1 - I);
+      Data[Offset + Idx] |= uint8_t((Value >> (I * 8)) & 0xff);
+    }
+  }
 }
 
 bool CSKYAsmBackend::fixupNeedsRelaxation(const MCFixup &Fixup, uint64_t Value,
diff --git a/llvm/lib/Target/CSKY/MCTargetDesc/CSKYFixupKinds.h b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYFixupKinds.h
new file mode 100644
--- /dev/null
+++ b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYFixupKinds.h
@@ -0,0 +1,34 @@
+//===-- CSKYFixupKinds.h - CSKY Specific Fixup Entries ----------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYFIXUPKINDS_H
+#define LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYFIXUPKINDS_H
+
+#include "llvm/MC/MCFixup.h"
+
+namespace llvm {
+namespace CSKY {
+enum Fixups {
+  fixup_csky_addr32 = FirstTargetFixupKind,
+
+  fixup_csky_pcrel_imm16_scale2,
+
+  fixup_csky_pcrel_uimm16_scale4,
+
+  fixup_csky_pcrel_imm26_scale2,
+
+  fixup_csky_pcrel_imm18_scale2,
+
+  // Marker
+  fixup_csky_invalid,
+  NumTargetFixupKinds = fixup_csky_invalid - FirstTargetFixupKind
+};
+} // end namespace CSKY
+} // end namespace llvm
+
+#endif // LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYFIXUPKINDS_H
diff --git a/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCCodeEmitter.h b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCCodeEmitter.h
--- a/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCCodeEmitter.h
+++ b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCCodeEmitter.h
@@ -13,6 +13,8 @@
 #ifndef LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYMCCODEEMITTER_H
 #define LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYMCCODEEMITTER_H
 
+#include "CSKYMCExpr.h"
+#include "MCTargetDesc/CSKYFixupKinds.h"
 #include "llvm/MC/MCCodeEmitter.h"
 #include "llvm/MC/MCContext.h"
 
@@ -62,6 +64,70 @@
     assert(MO.isImm() && "Unexpected MO type.");
     return 1 << MO.getImm();
   }
+
+  MCFixupKind getTargetFixup(const MCExpr *Expr) const;
+
+  template <llvm::CSKY::Fixups FIXUP>
+  unsigned getBranchSymbolOpValue(const MCInst &MI, unsigned Idx,
+                                  SmallVectorImpl<MCFixup> &Fixups,
+                                  const MCSubtargetInfo &STI) const {
+    const MCOperand &MO = MI.getOperand(Idx);
+
+    if (MO.isImm())
+      return MO.getImm() >> 1;
+
+    assert(MO.isExpr() && "Unexpected MO type.");
+
+    MCFixupKind Kind = MCFixupKind(FIXUP);
+    if (MO.getExpr()->getKind() == MCExpr::Target)
+      Kind = getTargetFixup(MO.getExpr());
+
+    Fixups.push_back(MCFixup::create(0, MO.getExpr(), Kind, MI.getLoc()));
+    return 0;
+  }
+
+  template <llvm::CSKY::Fixups FIXUP>
+  unsigned getConstpoolSymbolOpValue(const MCInst &MI, unsigned Idx,
+                                     SmallVectorImpl<MCFixup> &Fixups,
+                                     const MCSubtargetInfo &STI) const {
+    const MCOperand &MO = MI.getOperand(Idx);
+    assert(MO.isExpr() && "Unexpected MO type.");
+
+    MCFixupKind Kind = MCFixupKind(FIXUP);
+    if (MO.getExpr()->getKind() == MCExpr::Target)
+      Kind = getTargetFixup(MO.getExpr());
+
+    Fixups.push_back(MCFixup::create(0, MO.getExpr(), Kind, MI.getLoc()));
+    return 0;
+  }
+
+  unsigned getCallSymbolOpValue(const MCInst &MI, unsigned Idx,
+                                SmallVectorImpl<MCFixup> &Fixups,
+                                const MCSubtargetInfo &STI) const {
+    const MCOperand &MO = MI.getOperand(Idx);
+    assert(MO.isExpr() && "Unexpected MO type.");
+
+    MCFixupKind Kind = MCFixupKind(CSKY::fixup_csky_pcrel_imm26_scale2);
+    if (MO.getExpr()->getKind() == MCExpr::Target)
+      Kind = getTargetFixup(MO.getExpr());
+
+    Fixups.push_back(MCFixup::create(0, MO.getExpr(), Kind, MI.getLoc()));
+    return 0;
+  }
+
+  unsigned getBareSymbolOpValue(const MCInst &MI, unsigned Idx,
+                                SmallVectorImpl<MCFixup> &Fixups,
+                                const MCSubtargetInfo &STI) const {
+    const MCOperand &MO = MI.getOperand(Idx);
+    assert(MO.isExpr() && "Unexpected MO type.");
+
+    MCFixupKind Kind = MCFixupKind(CSKY::fixup_csky_pcrel_imm18_scale2);
+    if (MO.getExpr()->getKind() == MCExpr::Target)
+      Kind = getTargetFixup(MO.getExpr());
+
+    Fixups.push_back(MCFixup::create(0, MO.getExpr(), Kind, MI.getLoc()));
+    return 0;
+  }
 };
 
 } // namespace llvm
diff --git a/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCCodeEmitter.cpp b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCCodeEmitter.cpp
--- a/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCCodeEmitter.cpp
+++ b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCCodeEmitter.cpp
@@ -62,6 +62,17 @@
   return 0;
 }
 
+MCFixupKind CSKYMCCodeEmitter::getTargetFixup(const MCExpr *Expr) const {
+  const CSKYMCExpr *CSKYExpr = cast<CSKYMCExpr>(Expr);
+
+  switch (CSKYExpr->getKind()) {
+  default:
+    llvm_unreachable("Unhandled fixup kind!");
+  case CSKYMCExpr::VK_CSKY_ADDR:
+    return MCFixupKind(CSKY::fixup_csky_addr32);
+  }
+}
+
 MCCodeEmitter *llvm::createCSKYMCCodeEmitter(const MCInstrInfo &MCII,
                                              const MCRegisterInfo &MRI,
                                              MCContext &Ctx) {
diff --git a/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCExpr.h b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCExpr.h
new file mode 100644
--- /dev/null
+++ b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCExpr.h
@@ -0,0 +1,69 @@
+//===-- CSKYMCExpr.h - CSKY specific MC expression classes -*- C++ -*----===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIMCEXPR_H
+#define LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIMCEXPR_H
+
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCValue.h"
+
+namespace llvm {
+
+class CSKYMCExpr : public MCTargetExpr {
+public:
+  enum VariantKind {
+    VK_CSKY_None,
+    VK_CSKY_ADDR,
+    VK_CSKY_PCREL,
+    VK_CSKY_GOT,
+    VK_CSKY_GOTPC,
+    VK_CSKY_GOTOFF,
+    VK_CSKY_PLT,
+    VK_CSKY_TPOFF,
+    VK_CSKY_TLSGD,
+    VK_CSKY_Invalid
+  };
+
+private:
+  const VariantKind Kind;
+  const MCExpr *Expr;
+
+  explicit CSKYMCExpr(VariantKind Kind, const MCExpr *Expr)
+      : Kind(Kind), Expr(Expr) {}
+
+public:
+  static const CSKYMCExpr *create(const MCExpr *Expr, VariantKind Kind,
+                                  MCContext &Ctx);
+
+  // Returns the kind of this expression.
+  VariantKind getKind() const { return Kind; }
+
+  // Returns the child of this expression.
+  const MCExpr *getSubExpr() const { return Expr; }
+
+  void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
+
+  bool evaluateAsRelocatableImpl(MCValue &Res, const MCAsmLayout *Layout,
+                                 const MCFixup *Fixup) const override;
+  void visitUsedExpr(MCStreamer &Streamer) const override;
+
+  MCFragment *findAssociatedFragment() const override {
+    return getSubExpr()->findAssociatedFragment();
+  }
+
+  void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override;
+
+  static bool classof(const MCExpr *E) {
+    return E->getKind() == MCExpr::Target;
+  }
+
+  static StringRef getVariantKindName(VariantKind Kind);
+};
+} // end namespace llvm
+
+#endif
diff --git a/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCExpr.cpp b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCExpr.cpp
new file mode 100644
--- /dev/null
+++ b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCExpr.cpp
@@ -0,0 +1,122 @@
+//===-- CSKYMCExpr.cpp - CSKY specific MC expression classes -*- C++ -*----===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "CSKYMCExpr.h"
+#include "CSKYFixupKinds.h"
+#include "llvm/MC/MCAssembler.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCSymbolELF.h"
+
+using namespace llvm;
+
+#define DEBUG_TYPE "csky-mc-expr"
+
+const CSKYMCExpr *CSKYMCExpr::create(const MCExpr *Expr, VariantKind Kind,
+                                     MCContext &Ctx) {
+  return new (Ctx) CSKYMCExpr(Kind, Expr);
+}
+
+StringRef CSKYMCExpr::getVariantKindName(VariantKind Kind) {
+  switch (Kind) {
+  default:
+    llvm_unreachable("Invalid ELF symbol kind");
+  case VK_CSKY_ADDR:
+    return "";
+  case VK_CSKY_PCREL:
+    return "";
+  case VK_CSKY_GOT:
+    return "@GOT";
+  case VK_CSKY_GOTPC:
+    return "@GOTPC";
+  case VK_CSKY_GOTOFF:
+    return "@GOTOFF";
+  case VK_CSKY_PLT:
+    return "@PLT";
+  case VK_CSKY_TPOFF:
+    return "@TPOFF";
+  case VK_CSKY_TLSGD:
+    return "@TLSGD";
+  }
+}
+
+void CSKYMCExpr::visitUsedExpr(MCStreamer &Streamer) const {
+  Streamer.visitUsedExpr(*getSubExpr());
+}
+
+void CSKYMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
+  Expr->print(OS, MAI);
+  OS << getVariantKindName(getKind());
+}
+
+static void fixELFSymbolsInTLSFixupsImpl(const MCExpr *Expr, MCAssembler &Asm) {
+  switch (Expr->getKind()) {
+  case MCExpr::Target:
+    llvm_unreachable("Can't handle nested target expression");
+    break;
+  case MCExpr::Constant:
+    break;
+
+  case MCExpr::Binary: {
+    const MCBinaryExpr *BE = cast<MCBinaryExpr>(Expr);
+    fixELFSymbolsInTLSFixupsImpl(BE->getLHS(), Asm);
+    fixELFSymbolsInTLSFixupsImpl(BE->getRHS(), Asm);
+    break;
+  }
+
+  case MCExpr::SymbolRef: {
+    // We're known to be under a TLS fixup, so any symbol should be
+    // modified. There should be only one.
+    const MCSymbolRefExpr &SymRef = *cast<MCSymbolRefExpr>(Expr);
+    cast<MCSymbolELF>(SymRef.getSymbol()).setType(ELF::STT_TLS);
+    break;
+  }
+
+  case MCExpr::Unary:
+    fixELFSymbolsInTLSFixupsImpl(cast<MCUnaryExpr>(Expr)->getSubExpr(), Asm);
+    break;
+  }
+}
+
+void CSKYMCExpr::fixELFSymbolsInTLSFixups(MCAssembler &Asm) const {
+  switch (getKind()) {
+  default:
+    return;
+  case VK_CSKY_TPOFF:
+  case VK_CSKY_TLSGD:
+    break;
+  }
+
+  fixELFSymbolsInTLSFixupsImpl(getSubExpr(), Asm);
+}
+
+bool CSKYMCExpr::evaluateAsRelocatableImpl(MCValue &Res,
+                                           const MCAsmLayout *Layout,
+                                           const MCFixup *Fixup) const {
+  if (!getSubExpr()->evaluateAsRelocatable(Res, Layout, Fixup))
+    return false;
+
+  // Some custom fixup types are not valid with symbol difference expressions
+  if (Res.getSymA() && Res.getSymB()) {
+    switch (getKind()) {
+    default:
+      return true;
+
+    case VK_CSKY_ADDR:
+    case VK_CSKY_PCREL:
+    case VK_CSKY_GOT:
+    case VK_CSKY_GOTPC:
+    case VK_CSKY_GOTOFF:
+    case VK_CSKY_TPOFF:
+    case VK_CSKY_TLSGD:
+      return false;
+    }
+  }
+
+  return true;
+}
\ No newline at end of file
diff --git a/llvm/test/MC/CSKY/basic.s b/llvm/test/MC/CSKY/basic.s
--- a/llvm/test/MC/CSKY/basic.s
+++ b/llvm/test/MC/CSKY/basic.s
@@ -240,6 +240,102 @@
 # CHECK-ASM: encoding: [0x04,0xc4,0xe3,0x58]
 sext32 a3, l0, 7, 0
 
+# CHECK-ASM: br32 .L.test
+# CHECK-ASM: encoding: [A,0xe8'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test, kind: fixup_csky_pcrel_imm16_scale2
+.L.test:
+br32 .L.test
+
+# CHECK-ASM: bt32 .L.test2
+# CHECK-ASM: encoding: [0x60'A',0xe8'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test2, kind: fixup_csky_pcrel_imm16_scale2
+.L.test2:
+bt32 .L.test2
+
+# CHECK-ASM: bf32 .L.test3
+# CHECK-ASM: encoding: [0x40'A',0xe8'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test3, kind: fixup_csky_pcrel_imm16_scale2
+.L.test3:
+bf32 .L.test3
+
+# CHECK-ASM: bez32 a0, .L.test4
+# CHECK-ASM: encoding: [A,0xe9'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test4, kind: fixup_csky_pcrel_imm16_scale2
+.L.test4:
+bez32 a0, .L.test4
+
+# CHECK-ASM: bnez32 a0, .L.test5
+# CHECK-ASM: encoding: [0x20'A',0xe9'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test5, kind: fixup_csky_pcrel_imm16_scale2
+.L.test5:
+bnez32 a0, .L.test5
+
+# CHECK-ASM: bhz32 a0, .L.test6
+# CHECK-ASM: encoding: [0x40'A',0xe9'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test6, kind: fixup_csky_pcrel_imm16_scale2
+.L.test6:
+bhz32 a0, .L.test6
+
+# CHECK-ASM: blsz32 a0, .L.test7
+# CHECK-ASM: encoding: [0x60'A',0xe9'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test7, kind: fixup_csky_pcrel_imm16_scale2
+.L.test7:
+blsz32 a0, .L.test7
+
+# CHECK-ASM: blz32 a0, .L.test8
+# CHECK-ASM: encoding: [0x80'A',0xe9'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test8, kind: fixup_csky_pcrel_imm16_scale2
+.L.test8:
+blz32 a0, .L.test8
+
+# CHECK-ASM: bhsz32 a0, .L.test9
+# CHECK-ASM: encoding: [0xa0'A',0xe9'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test9, kind: fixup_csky_pcrel_imm16_scale2
+.L.test9:
+bhsz32 a0, .L.test9
+
+# CHECK-ASM: jmp32 a3
+# CHECK-ASM: encoding: [0xc3,0xe8,0x00,0x00]
+jmp32 a3
+
+# CHECK-ASM: jmpi32 .L.test10
+# CHECK-ASM: encoding: [0xc0'A',0xea'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test10, kind: fixup_csky_pcrel_uimm16_scale4
+.L.test10:
+jmpi32 [.L.test10]
+
+# CHECK-ASM: bsr32 .L.test11
+# CHECK-ASM: encoding: [A,0xe0'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test11, kind: fixup_csky_pcrel_imm26_scale2
+.L.test11:
+bsr32 .L.test11
+
+# CHECK-ASM: jsr32 a3
+# CHECK-ASM: encoding: [0xe3,0xe8,0x00,0x00]
+jsr32 a3
+
+# CHECK-ASM: jsri32 .L.test12
+# CHECK-ASM: encoding: [0xe0'A',0xea'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test12, kind: fixup_csky_pcrel_uimm16_scale4
+.L.test12:
+jsri32 [.L.test12]
+
+# CHECK-ASM: rts32
+# CHECK-ASM: encoding: [0xcf,0xe8,0x00,0x00]
+rts32
+
+# CHECK-ASM: grs32 a0, .L.test13
+# CHECK-ASM: encoding: [0x0c'A',0xcc'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test13, kind: fixup_csky_pcrel_imm18_scale2
+.L.test13:
+grs32 a0, .L.test13
+
+# CHECK-ASM: lrw32 a0, .L.test14
+# CHECK-ASM: encoding: [0x80'A',0xea'A',A,A]
+# CHECK-ASM: fixup A - offset: 0, value: .L.test14, kind: fixup_csky_pcrel_uimm16_scale4
+.L.test14:
+lrw32 a0, [.L.test14]
+
 # RUN: not llvm-mc -triple csky --defsym=ERR=1 < %s 2>&1 | FileCheck %s
 
 .ifdef ERR
@@ -308,4 +404,9 @@
 xori32 a0, a1 # CHECK: :[[#@LINE]]:1: error: too few operands for instruction
 xor32 a0, a2 # CHECK: :[[#@LINE]]:1: error: too few operands for instruction
 
+# Need label
+br32 0x100 # CHECK: :[[@LINE]]:6: error: operand must be a symbol name
+jmpi32 0x100 # CHECK: :[[@LINE]]:8: error: operand must be a constpool symbol name
+bsr32 0x100 # CHECK: :[[@LINE]]:7: error: operand must be a symbol name
+
 .endif
diff --git a/llvm/test/MC/CSKY/csky-error.s b/llvm/test/MC/CSKY/csky-error.s
new file mode 100644
--- /dev/null
+++ b/llvm/test/MC/CSKY/csky-error.s
@@ -0,0 +1,80 @@
+# RUN: not llvm-mc -triple=csky %s -filetype=obj -o %t.o 2>&1 | FileCheck %s
+
+# Out of PC range
+
+# br/bt/bf
+
+.L.test1:
+.space 0x10001
+br32 .L.test1 # CHECK: :[[@LINE]]:1: error: out of range pc-relative fixup value
+              # CHECK: :[[@LINE-1]]:1: error: fixup value must be 2-byte aligned
+
+br32 .L.test2 # CHECK: :[[@LINE]]:1: error: out of range pc-relative fixup value
+              # CHECK: :[[@LINE-1]]:1: error: fixup value must be 2-byte aligned
+.space 0x10001
+.L.test2:
+
+.L.test3:
+.space 0xFFFF
+br32 .L.test3 # CHECK: :[[@LINE]]:1: error: fixup value must be 2-byte aligned
+
+.L.test4:
+.space 0x10002
+br32 .L.test4 # CHECK: :[[@LINE]]:1: error: out of range pc-relative fixup value
+
+# bsr
+.L.test5:
+.space 0x4000001
+bsr32 .L.test5 # CHECK: :[[@LINE]]:1: error: out of range pc-relative fixup value
+               # CHECK: :[[@LINE-1]]:1: error: fixup value must be 2-byte aligned
+
+bsr32 .L.test6 # CHECK: :[[@LINE]]:1: error: out of range pc-relative fixup value
+               # CHECK: :[[@LINE-1]]:1: error: fixup value must be 2-byte aligned
+.space 0x4000001
+.L.test6:
+
+.L.test7:
+.space 0x3FFFFFF
+bsr32 .L.test7 # CHECK: :[[@LINE]]:1: error: fixup value must be 2-byte aligned
+
+.L.test8:
+.space 0x4000002
+bsr32 .L.test8 # CHECK: :[[@LINE]]:1: error: out of range pc-relative fixup value
+
+# grs
+.L.test9:
+.space 0x40001
+grs32 a0, .L.test9 # CHECK: :[[@LINE]]:1: error: out of range pc-relative fixup value
+                   # CHECK: :[[@LINE-1]]:1: error: fixup value must be 2-byte aligned
+
+grs32 a0, .L.test10 # CHECK: :[[@LINE]]:1: error: out of range pc-relative fixup value
+                    # CHECK: :[[@LINE-1]]:1: error: fixup value must be 2-byte aligned
+.space 0x40001
+.L.test10:
+
+.L.test11:
+.space 0x3FFFF
+grs32 a0, .L.test11 # CHECK: :[[@LINE]]:1: error: fixup value must be 2-byte aligned
+
+.L.test12:
+.space 0x40002
+grs32 a0, .L.test12 # CHECK: :[[@LINE]]:1: error: out of range pc-relative fixup value
+
+
+# TODO: Fixup
+lrw32 a0, [.L.test15] # CHECK: :[[@LINE]]:1: error: out of range pc-relative fixup value
+                    # CHECK: :[[@LINE-1]]:1: error: fixup value must be 4-byte aligned
+.space 0x40001
+.L.test15:
+
+# TODO: Fixup
+jsri32 [.L.test16]     # CHECK: :[[@LINE]]:1: error: out of range pc-relative fixup value
+                     # CHECK: :[[@LINE-1]]:1: error: fixup value must be 4-byte aligned
+.space 0x40001
+.L.test16:
+
+# TODO: Fixup
+jmpi32 [.L.test17]     # CHECK: :[[@LINE]]:1: error: out of range pc-relative fixup value
+                     # CHECK: :[[@LINE-1]]:1: error: fixup value must be 4-byte aligned
+.space 0x40001
+.L.test17: