diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index b89f453d27d..59461e8f553 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -4424,11 +4424,6 @@ ARMAsmParser::parseModImm(OperandVector &Operands) {
   if (CE) {
     // Immediate must fit within 32-bits
     Imm1 = CE->getValue();
-    if (Imm1 < INT32_MIN || Imm1 > UINT32_MAX) {
-      Error(Sx1, "immediate operand must be representable with 32 bits");
-      return MatchOperand_ParseFail;
-    }
-
     int Enc = ARM_AM::getSOImmVal(Imm1);
     if (Enc != -1 && Parser.getTok().is(AsmToken::EndOfStatement)) {
       // We have a match!
diff --git a/test/MC/ARM/basic-arm-instructions.s b/test/MC/ARM/basic-arm-instructions.s
index 616674e5635..a1f13b76dda 100644
--- a/test/MC/ARM/basic-arm-instructions.s
+++ b/test/MC/ARM/basic-arm-instructions.s
@@ -1509,6 +1509,7 @@ Lforward:
         mvn r3, $7
         mvn r3, 7
         mvn r3, -7
+        mvn r7, #~0xffffff00
         mvn r4, #0xff0
         mvn r5, #0xff0000
 	mvn r7, #(0xff << 16)
@@ -1526,6 +1527,7 @@ Lforward:
 @ CHECK: mvn	r3, #7                  @ encoding: [0x07,0x30,0xe0,0xe3]
 @ CHECK: mvn	r3, #7                  @ encoding: [0x07,0x30,0xe0,0xe3]
 @ CHECK: mov	r3, #6                  @ encoding: [0x06,0x30,0xa0,0xe3]
+@ CHECK: mvn    r7, #255                @ encoding: [0xff,0x70,0xe0,0xe3]
 @ CHECK: mvn	r4, #4080               @ encoding: [0xff,0x4e,0xe0,0xe3]
 @ CHECK: mvn	r5, #16711680           @ encoding: [0xff,0x58,0xe0,0xe3]
 @ CHECK: mvn	r7, #16711680           @ encoding: [0xff,0x78,0xe0,0xe3]