Both Darwin as and GNU as violate ARM docs wrt printing of addrmode6
alignment imm (in the same way). Fix asmprinting for non-darwin platforms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89137 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index fae44db..0352503 100644
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -637,11 +637,8 @@
 
   O << "[" << getRegisterName(MO1.getReg());
   if (MO4.getImm()) {
-    if (Subtarget->isTargetDarwin())
-      O << ", :";
-    else
-      O << " @";
-    O << MO4.getImm();
+    // FIXME: Both darwin as and GNU as violate ARM docs here.
+    O << ", :" << MO4.getImm();
   }
   O << "]";