Index: llvm/trunk/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp
===================================================================
--- llvm/trunk/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp
+++ llvm/trunk/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp
@@ -115,8 +115,12 @@
   Binary = getBinaryCodeForInstr(TmpInst, Fixups, STI);
   support::endian::write(OS, Binary, support::little);
 
-  // Emit JALR Ra, Ra, 0
-  TmpInst = MCInstBuilder(RISCV::JALR).addReg(Ra).addReg(Ra).addImm(0);
+  if (MI.getOpcode() == RISCV::PseudoTAIL)
+    // Emit JALR X0, X6, 0
+    TmpInst = MCInstBuilder(RISCV::JALR).addReg(RISCV::X0).addReg(Ra).addImm(0);
+  else
+    // Emit JALR X1, X1, 0
+    TmpInst = MCInstBuilder(RISCV::JALR).addReg(Ra).addReg(Ra).addImm(0);
   Binary = getBinaryCodeForInstr(TmpInst, Fixups, STI);
   support::endian::write(OS, Binary, support::little);
 }
Index: llvm/trunk/test/MC/RISCV/tail-call.s
===================================================================
--- llvm/trunk/test/MC/RISCV/tail-call.s
+++ llvm/trunk/test/MC/RISCV/tail-call.s
@@ -17,12 +17,12 @@
 tail foo
 # RELOC: R_RISCV_CALL foo 0x0
 # INSTR: auipc t1, 0
-# INSTR: jalr  t1
+# INSTR: jr  t1
 # FIXUP: fixup A - offset: 0, value: foo, kind:
 tail bar
 # RELOC: R_RISCV_CALL bar 0x0
 # INSTR: auipc t1, 0
-# INSTR: jalr  t1
+# INSTR: jr  t1
 # FIXUP: fixup A - offset: 0, value: bar, kind:
 
 # Ensure that tail calls to functions whose names coincide with register names
@@ -31,17 +31,17 @@
 tail zero
 # RELOC: R_RISCV_CALL zero 0x0
 # INSTR: auipc t1, 0
-# INSTR: jalr  t1
+# INSTR: jr  t1
 # FIXUP: fixup A - offset: 0, value: zero, kind:
 
 tail f1
 # RELOC: R_RISCV_CALL f1 0x0
 # INSTR: auipc t1, 0
-# INSTR: jalr  t1
+# INSTR: jr  t1
 # FIXUP: fixup A - offset: 0, value: f1, kind:
 
 tail ra
 # RELOC: R_RISCV_CALL ra 0x0
 # INSTR: auipc t1, 0
-# INSTR: jalr  t1
+# INSTR: jr  t1
 # FIXUP: fixup A - offset: 0, value: ra, kind: