--- /dev/null
+//===- MipsDSPInstrFormats.td - Mips Instruction Formats ---*- tablegen -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+def HasDSP : Predicate<"Subtarget.hasDSP()">,
+ AssemblerPredicate<"FeatureDSP">;
+def HasDSPR2 : Predicate<"Subtarget.hasDSPR2()">,
+ AssemblerPredicate<"FeatureDSPR2">;
+
+// Fields.
+class Field6<bits<6> val> {
+ bits<6> V = val;
+}
+
+def SPECIAL3_OPCODE : Field6<0b011111>;
+def REGIMM_OPCODE : Field6<0b000001>;
+
+class DSPInst : MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther> {
+ let Predicates = [HasDSP];
+}