MipsDSPInstrFormats.td revision 67032b27cddbb07134e128074bd23ae95384367c 
1//===- MipsDSPInstrFormats.td - Mips Instruction Formats ---*- tablegen -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10def HasDSP : Predicate<"Subtarget.hasDSP()">,
11             AssemblerPredicate<"FeatureDSP">;
12def HasDSPR2 : Predicate<"Subtarget.hasDSPR2()">,
13               AssemblerPredicate<"FeatureDSPR2">;
14
15// Fields.
16class Field6<bits<6> val> {
17  bits<6> V = val;
18}
19
20def SPECIAL3_OPCODE : Field6<0b011111>;
21def REGIMM_OPCODE : Field6<0b000001>;
22
23class DSPInst : MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther> {
24  let Predicates = [HasDSP];
25}
26