diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfo.td b/llvm/lib/Target/RISCV/RISCVInstrInfo.td
--- a/llvm/lib/Target/RISCV/RISCVInstrInfo.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfo.td
@@ -573,6 +573,12 @@
   let rs1 = 0;
   let rs2 = 0b00010;
 }
+
+def DRET : Priv<"dret", 0b0111101>, Sched<[]> {
+  let rd = 0;
+  let rs1 = 0;
+  let rs2 = 0b10010;
+}
 } // isBarrier = 1, isReturn = 1, isTerminator = 1
 
 def WFI : Priv<"wfi", 0b0001000>, Sched<[]> {
diff --git a/llvm/test/MC/RISCV/priv-valid.s b/llvm/test/MC/RISCV/priv-valid.s
--- a/llvm/test/MC/RISCV/priv-valid.s
+++ b/llvm/test/MC/RISCV/priv-valid.s
@@ -21,6 +21,10 @@
 # CHECK: encoding: [0x73,0x00,0x20,0x30]
 mret
 
+# CHECK-INST: dret
+# CHECK: encoding: [0x73,0x00,0x20,0x7b]
+dret
+
 # CHECK-INST: wfi
 # CHECK: encoding: [0x73,0x00,0x50,0x10]
 wfi