diff --git a/compiler/utils/arm/assembler_arm.h b/compiler/utils/arm/assembler_arm.h
index 7825457..4585d71 100644
--- a/compiler/utils/arm/assembler_arm.h
+++ b/compiler/utils/arm/assembler_arm.h
@@ -495,6 +495,7 @@
   virtual void clz(Register rd, Register rm, Condition cond = AL) = 0;
   virtual void movw(Register rd, uint16_t imm16, Condition cond = AL) = 0;
   virtual void movt(Register rd, uint16_t imm16, Condition cond = AL) = 0;
+  virtual void rbit(Register rd, Register rm, Condition cond = AL) = 0;
 
   // Multiply instructions.
   virtual void mul(Register rd, Register rn, Register rm, Condition cond = AL) = 0;
diff --git a/compiler/utils/arm/assembler_arm32.cc b/compiler/utils/arm/assembler_arm32.cc
index d91ddee..64fa9a4 100644
--- a/compiler/utils/arm/assembler_arm32.cc
+++ b/compiler/utils/arm/assembler_arm32.cc
@@ -735,6 +735,20 @@
 }
 
 
+void Arm32Assembler::rbit(Register rd, Register rm, Condition cond) {
+  CHECK_NE(rd, kNoRegister);
+  CHECK_NE(rm, kNoRegister);
+  CHECK_NE(cond, kNoCondition);
+  CHECK_NE(rd, PC);
+  CHECK_NE(rm, PC);
+  int32_t encoding = (static_cast<int32_t>(cond) << kConditionShift) |
+                     B26 | B25 | B23 | B22 | B21 | B20 | (0xf << 16) |
+                     (static_cast<int32_t>(rd) << kRdShift) |
+                     (0xf << 8) | B5 | B4 | static_cast<int32_t>(rm);
+  Emit(encoding);
+}
+
+
 void Arm32Assembler::EmitMulOp(Condition cond, int32_t opcode,
                                Register rd, Register rn,
                                Register rm, Register rs) {
diff --git a/compiler/utils/arm/assembler_arm32.h b/compiler/utils/arm/assembler_arm32.h
index b96bb74..6605afa 100644
--- a/compiler/utils/arm/assembler_arm32.h
+++ b/compiler/utils/arm/assembler_arm32.h
@@ -87,6 +87,7 @@
   void clz(Register rd, Register rm, Condition cond = AL) OVERRIDE;
   void movw(Register rd, uint16_t imm16, Condition cond = AL) OVERRIDE;
   void movt(Register rd, uint16_t imm16, Condition cond = AL) OVERRIDE;
+  void rbit(Register rd, Register rm, Condition cond = AL) OVERRIDE;
 
   // Multiply instructions.
   void mul(Register rd, Register rn, Register rm, Condition cond = AL) OVERRIDE;
diff --git a/compiler/utils/arm/assembler_arm32_test.cc b/compiler/utils/arm/assembler_arm32_test.cc
index e6412ac..2a0912e 100644
--- a/compiler/utils/arm/assembler_arm32_test.cc
+++ b/compiler/utils/arm/assembler_arm32_test.cc
@@ -883,4 +883,8 @@
   DriverStr(expected, "strexd");
 }
 
+TEST_F(AssemblerArm32Test, rbit) {
+  T3Helper(&arm::Arm32Assembler::rbit, true, "rbit{cond} {reg1}, {reg2}", "rbit");
+}
+
 }  // namespace art
diff --git a/compiler/utils/arm/assembler_thumb2.cc b/compiler/utils/arm/assembler_thumb2.cc
index 90ed10c..b76068b 100644
--- a/compiler/utils/arm/assembler_thumb2.cc
+++ b/compiler/utils/arm/assembler_thumb2.cc
@@ -2426,6 +2426,25 @@
 }
 
 
+void Thumb2Assembler::rbit(Register rd, Register rm, Condition cond) {
+  CHECK_NE(rd, kNoRegister);
+  CHECK_NE(rm, kNoRegister);
+  CheckCondition(cond);
+  CHECK_NE(rd, PC);
+  CHECK_NE(rm, PC);
+  CHECK_NE(rd, SP);
+  CHECK_NE(rm, SP);
+  int32_t encoding = B31 | B30 | B29 | B28 | B27 |
+      B25 | B23 | B20 |
+      static_cast<uint32_t>(rm) << 16 |
+      0xf << 12 |
+      static_cast<uint32_t>(rd) << 8 |
+      B7 | B5 |
+      static_cast<uint32_t>(rm);
+  Emit32(encoding);
+}
+
+
 void Thumb2Assembler::ldrex(Register rt, Register rn, uint16_t imm, Condition cond) {
   CHECK_NE(rn, kNoRegister);
   CHECK_NE(rt, kNoRegister);
diff --git a/compiler/utils/arm/assembler_thumb2.h b/compiler/utils/arm/assembler_thumb2.h
index c802c27..aaa7b35 100644
--- a/compiler/utils/arm/assembler_thumb2.h
+++ b/compiler/utils/arm/assembler_thumb2.h
@@ -111,6 +111,7 @@
   void clz(Register rd, Register rm, Condition cond = AL) OVERRIDE;
   void movw(Register rd, uint16_t imm16, Condition cond = AL) OVERRIDE;
   void movt(Register rd, uint16_t imm16, Condition cond = AL) OVERRIDE;
+  void rbit(Register rd, Register rm, Condition cond = AL) OVERRIDE;
 
   // Multiply instructions.
   void mul(Register rd, Register rn, Register rm, Condition cond = AL) OVERRIDE;
diff --git a/compiler/utils/arm/assembler_thumb2_test.cc b/compiler/utils/arm/assembler_thumb2_test.cc
index 84f5cb1..9c08ce0 100644
--- a/compiler/utils/arm/assembler_thumb2_test.cc
+++ b/compiler/utils/arm/assembler_thumb2_test.cc
@@ -1019,4 +1019,12 @@
   DriverStr(expected, "clz");
 }
 
+TEST_F(AssemblerThumb2Test, rbit) {
+  __ rbit(arm::R1, arm::R0);
+
+  const char* expected = "rbit r1, r0\n";
+
+  DriverStr(expected, "rbit");
+}
+
 }  // namespace art