hanchenye-llvm-project/llvm/lib/Target/AArch64/AArch64SchedFalkor.td

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1.1 KiB
TableGen

//==- AArch64SchedFalkor.td - Falkor Scheduling Definitions -*- tablegen -*-==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the machine model for Qualcomm Falkor to support
// instruction scheduling and other instruction cost heuristics.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Define the SchedMachineModel and provide basic properties for coarse grained
// instruction cost model.
def FalkorModel : SchedMachineModel {
let IssueWidth = 4; // 4-wide issue for expanded uops.
let MicroOpBufferSize = 128; // Out-of-order with temporary unified issue buffer.
let LoopMicroOpBufferSize = 16;
let LoadLatency = 3; // Optimistic load latency.
let MispredictPenalty = 11; // Minimum branch misprediction penalty.
let CompleteModel = 0;
}