llvm-6502/lib/Target/Mips/MipsSchedule.td
Anton Korobeynikov 928eb49cae Make processor FUs unique for given itinerary. This extends the limit of 32
FU per CPU arch to 32 per intinerary allowing precise modelling of quite
complex pipelines in the future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101754 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18 20:31:01 +00:00

64 lines
3.1 KiB
C++

//===- MipsSchedule.td - Mips Scheduling Definitions ------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Functional units across Mips chips sets. Based on GCC/Mips backend files.
//===----------------------------------------------------------------------===//
def ALU : FuncUnit;
def IMULDIV : FuncUnit;
//===----------------------------------------------------------------------===//
// Instruction Itinerary classes used for Mips
//===----------------------------------------------------------------------===//
def IIAlu : InstrItinClass;
def IILoad : InstrItinClass;
def IIStore : InstrItinClass;
def IIXfer : InstrItinClass;
def IIBranch : InstrItinClass;
def IIHiLo : InstrItinClass;
def IIImul : InstrItinClass;
def IIIdiv : InstrItinClass;
def IIFcvt : InstrItinClass;
def IIFmove : InstrItinClass;
def IIFcmp : InstrItinClass;
def IIFadd : InstrItinClass;
def IIFmulSingle : InstrItinClass;
def IIFmulDouble : InstrItinClass;
def IIFdivSingle : InstrItinClass;
def IIFdivDouble : InstrItinClass;
def IIFsqrtSingle : InstrItinClass;
def IIFsqrtDouble : InstrItinClass;
def IIFrecipFsqrtStep : InstrItinClass;
def IIPseudo : InstrItinClass;
//===----------------------------------------------------------------------===//
// Mips Generic instruction itineraries.
//===----------------------------------------------------------------------===//
def MipsGenericItineraries : ProcessorItineraries<[ALU, IMULDIV], [
InstrItinData<IIAlu , [InstrStage<1, [ALU]>]>,
InstrItinData<IILoad , [InstrStage<3, [ALU]>]>,
InstrItinData<IIStore , [InstrStage<1, [ALU]>]>,
InstrItinData<IIXfer , [InstrStage<2, [ALU]>]>,
InstrItinData<IIBranch , [InstrStage<1, [ALU]>]>,
InstrItinData<IIHiLo , [InstrStage<1, [IMULDIV]>]>,
InstrItinData<IIImul , [InstrStage<17, [IMULDIV]>]>,
InstrItinData<IIIdiv , [InstrStage<38, [IMULDIV]>]>,
InstrItinData<IIFcvt , [InstrStage<1, [ALU]>]>,
InstrItinData<IIFmove , [InstrStage<2, [ALU]>]>,
InstrItinData<IIFcmp , [InstrStage<3, [ALU]>]>,
InstrItinData<IIFadd , [InstrStage<4, [ALU]>]>,
InstrItinData<IIFmulSingle , [InstrStage<7, [ALU]>]>,
InstrItinData<IIFmulDouble , [InstrStage<8, [ALU]>]>,
InstrItinData<IIFdivSingle , [InstrStage<23, [ALU]>]>,
InstrItinData<IIFdivDouble , [InstrStage<36, [ALU]>]>,
InstrItinData<IIFsqrtSingle , [InstrStage<54, [ALU]>]>,
InstrItinData<IIFsqrtDouble , [InstrStage<12, [ALU]>]>,
InstrItinData<IIFrecipFsqrtStep , [InstrStage<5, [ALU]>]>
]>;