MipsSchedule.td revision ae24f7d3c6770fb32eb1f6215bab1fc92cbe2d94 
1//===-- MipsSchedule.td - Mips Scheduling Definitions ------*- 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
10//===----------------------------------------------------------------------===//
11// Functional units across Mips chips sets. Based on GCC/Mips backend files.
12//===----------------------------------------------------------------------===//
13def ALU     : FuncUnit;
14def IMULDIV : FuncUnit;
15
16//===----------------------------------------------------------------------===//
17// Instruction Itinerary classes used for Mips
18//===----------------------------------------------------------------------===//
19def IIAlu              : InstrItinClass;
20def IILoad             : InstrItinClass;
21def IIStore            : InstrItinClass;
22def IIXfer             : InstrItinClass;
23def IIBranch           : InstrItinClass;
24def IIHiLo             : InstrItinClass;
25def IIImul             : InstrItinClass;
26def IIImult            : InstrItinClass;
27def IIIdiv             : InstrItinClass;
28def IIseb              : InstrItinClass;
29def IIslt              : InstrItinClass;
30def IIFcvt             : InstrItinClass;
31def IIFmove            : InstrItinClass;
32def IIFcmp             : InstrItinClass;
33def IIFadd             : InstrItinClass;
34def IIFmulSingle       : InstrItinClass;
35def IIFmulDouble       : InstrItinClass;
36def IIFdivSingle       : InstrItinClass;
37def IIFdivDouble       : InstrItinClass;
38def IIFsqrtSingle      : InstrItinClass;
39def IIFsqrtDouble      : InstrItinClass;
40def IIFrecipFsqrtStep  : InstrItinClass;
41def IIFLoad            : InstrItinClass;
42def IIFStore           : InstrItinClass;
43def IIFmoveC1          : InstrItinClass;
44def IIPseudo           : InstrItinClass;
45
46//===----------------------------------------------------------------------===//
47// Mips Generic instruction itineraries.
48//===----------------------------------------------------------------------===//
49def MipsGenericItineraries : ProcessorItineraries<[ALU, IMULDIV], [], [
50  InstrItinData<IIAlu              , [InstrStage<1,  [ALU]>]>,
51  InstrItinData<IILoad             , [InstrStage<3,  [ALU]>]>,
52  InstrItinData<IIStore            , [InstrStage<1,  [ALU]>]>,
53  InstrItinData<IIXfer             , [InstrStage<2,  [ALU]>]>,
54  InstrItinData<IIBranch           , [InstrStage<1,  [ALU]>]>,
55  InstrItinData<IIHiLo             , [InstrStage<1,  [IMULDIV]>]>,
56  InstrItinData<IIImul             , [InstrStage<17, [IMULDIV]>]>,
57  InstrItinData<IIIdiv             , [InstrStage<38, [IMULDIV]>]>,
58  InstrItinData<IIFcvt             , [InstrStage<1,  [ALU]>]>,
59  InstrItinData<IIFmove            , [InstrStage<2,  [ALU]>]>,
60  InstrItinData<IIFcmp             , [InstrStage<3,  [ALU]>]>,
61  InstrItinData<IIFadd             , [InstrStage<4,  [ALU]>]>,
62  InstrItinData<IIFmulSingle       , [InstrStage<7,  [ALU]>]>,
63  InstrItinData<IIFmulDouble       , [InstrStage<8,  [ALU]>]>,
64  InstrItinData<IIFdivSingle       , [InstrStage<23, [ALU]>]>,
65  InstrItinData<IIFdivDouble       , [InstrStage<36, [ALU]>]>,
66  InstrItinData<IIFsqrtSingle      , [InstrStage<54, [ALU]>]>,
67  InstrItinData<IIFsqrtDouble      , [InstrStage<12, [ALU]>]>,
68  InstrItinData<IIFrecipFsqrtStep  , [InstrStage<5,  [ALU]>]>,
69  InstrItinData<IIFLoad            , [InstrStage<3,  [ALU]>]>,
70  InstrItinData<IIFStore           , [InstrStage<1,  [ALU]>]>,
71  InstrItinData<IIFmoveC1          , [InstrStage<2,  [ALU]>]>
72]>;
73