Add a basic TargetARM32 skeleton which knows nothing.

src/IceInstARM32.h

Index: src/IceInstARM32.h
diff --git a/src/IceInstARM32.h b/src/IceInstARM32.h
new file mode 100644
index 0000000000000000000000000000000000000000..ad0c4dc6be37a4fecd2d24d1bd68d3d10586fdfd
--- /dev/null
+++ b/src/IceInstARM32.h
@@ -0,0 +1,28 @@
+//===- subzero/src/IceInstARM32.h - Low-level ARM instructions --*- C++ -*-===//

[Jim Stichnoth, 2015/04/17 19:16:01]

ARM32?  (though that messes with line length...)

[jvoung (off chromium), 2015/04/21 17:05:30]

Yeah that is why I left out the 32. I could say "ARM32 machine instructions".

Changed that for now (and the x86 one too...), but can change back if you prefer
Low-level.

[Jim Stichnoth, 2015/04/21 17:10:35]

That looks good, thanks!

+//
+//                        The Subzero Code Generator
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the InstARM32 and OperandARM32 classes and
+// their subclasses.  This represents the machine instructions and
+// operands used for ARM32 code selection.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SUBZERO_SRC_ICEINSTARM32_H
+#define SUBZERO_SRC_ICEINSTARM32_H
+
+#include "IceDefs.h"
+
+namespace Ice {
+
+class TargetARM32;
+// Fill this in.
+
+} // end of namespace Ice
+
+#endif // SUBZERO_SRC_ICEINSTARM32_H