ARM 'rscs' mnemonic is carry-setting 'rsc', not 'rs' with a 'cs' condition code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138952 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index f71d0f8..3a0c260 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -2926,7 +2926,7 @@
   if (Mnemonic != "adcs" && Mnemonic != "bics" && Mnemonic != "movs" &&
       Mnemonic != "muls" && Mnemonic != "smlals" && Mnemonic != "smulls" &&
       Mnemonic != "umlals" && Mnemonic != "umulls" && Mnemonic != "lsls" &&
-      Mnemonic != "sbcs") {
+      Mnemonic != "sbcs" && Mnemonic != "rscs") {
     unsigned CC = StringSwitch<unsigned>(Mnemonic.substr(Mnemonic.size()-2))
       .Case("eq", ARMCC::EQ)
       .Case("ne", ARMCC::NE)