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|
//=- AArch64SchedA57.td - ARM Cortex-A57 Scheduling Defs -----*- 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 ARM Cortex-A57 to support
// instruction scheduling and other instruction cost heuristics.
//
//===----------------------------------------------------------------------===//
def CortexA57Model : SchedMachineModel {
let IssueWidth = 8; // 3-way decode and 8-way issue
let MicroOpBufferSize = 128; // 128 micro-op re-order buffer
let LoadLatency = 4; // Optimistic load latency
let MispredictPenalty = 14; // Fetch + Decode/Rename/Dispatch + Branch
}
//===----------------------------------------------------------------------===//
// Define each kind of processor resource and number available on Cortex-A57.
// Cortex A-57 has 8 pipelines that each has its own 8-entry queue where
// micro-ops wait for their operands and then issue out-of-order.
def A57UnitB : ProcResource<1> { let BufferSize = 8; } // Type B micro-ops
def A57UnitI : ProcResource<2> { let BufferSize = 8; } // Type I micro-ops
def A57UnitM : ProcResource<1> { let BufferSize = 8; } // Type M micro-ops
def A57UnitL : ProcResource<1> { let BufferSize = 8; } // Type L micro-ops
def A57UnitS : ProcResource<1> { let BufferSize = 8; } // Type S micro-ops
def A57UnitX : ProcResource<1> { let BufferSize = 8; } // Type X micro-ops
def A57UnitW : ProcResource<1> { let BufferSize = 8; } // Type W micro-ops
let SchedModel = CortexA57Model in {
def A57UnitV : ProcResGroup<[A57UnitX, A57UnitW]>; // Type V micro-ops
}
let SchedModel = CortexA57Model in {
//===----------------------------------------------------------------------===//
// Define customized scheduler read/write types specific to the Cortex-A57.
include "AArch64SchedA57WriteRes.td"
//===----------------------------------------------------------------------===//
// Map the target-defined scheduler read/write resources and latency for
// Cortex-A57. The Cortex-A57 types are directly associated with resources, so
// defining the aliases precludes the need for mapping them using WriteRes. The
// aliases are sufficient for creating a coarse, working model. As the model
// evolves, InstRWs will be used to override these SchedAliases.
def : SchedAlias<WriteImm, A57Write_1cyc_1I>;
def : SchedAlias<WriteI, A57Write_1cyc_1I>;
def : SchedAlias<WriteISReg, A57Write_2cyc_1M>;
def : SchedAlias<WriteIEReg, A57Write_2cyc_1M>;
def : SchedAlias<WriteExtr, A57Write_1cyc_1I>;
def : SchedAlias<WriteIS, A57Write_1cyc_1I>;
def : SchedAlias<WriteID32, A57Write_19cyc_1M>;
def : SchedAlias<WriteID64, A57Write_35cyc_1M>;
def : SchedAlias<WriteIM32, A57Write_3cyc_1M>;
def : SchedAlias<WriteIM64, A57Write_5cyc_1M>;
def : SchedAlias<WriteBr, A57Write_1cyc_1B>;
def : SchedAlias<WriteBrReg, A57Write_1cyc_1B>;
def : SchedAlias<WriteLD, A57Write_4cyc_1L>;
def : SchedAlias<WriteST, A57Write_1cyc_1S>;
def : SchedAlias<WriteSTP, A57Write_1cyc_1S>;
def : SchedAlias<WriteAdr, A57Write_1cyc_1I>;
def : SchedAlias<WriteLDIdx, A57Write_4cyc_1I_1L>;
def : SchedAlias<WriteSTIdx, A57Write_1cyc_1I_1S>;
def : SchedAlias<WriteF, A57Write_3cyc_1V>;
def : SchedAlias<WriteFCmp, A57Write_3cyc_1V>;
def : SchedAlias<WriteFCvt, A57Write_5cyc_1V>;
def : SchedAlias<WriteFCopy, A57Write_3cyc_1V>;
def : SchedAlias<WriteFImm, A57Write_3cyc_1V>;
def : SchedAlias<WriteFMul, A57Write_5cyc_1V>;
def : SchedAlias<WriteFDiv, A57Write_18cyc_1X>;
def : SchedAlias<WriteV, A57Write_3cyc_1V>;
def : SchedAlias<WriteVLD, A57Write_5cyc_1L>;
def : SchedAlias<WriteVST, A57Write_1cyc_1S>;
def : WriteRes<WriteSys, []> { let Latency = 1; }
def : WriteRes<WriteBarrier, []> { let Latency = 1; }
def : WriteRes<WriteHint, []> { let Latency = 1; }
def : WriteRes<WriteLDHi, []> { let Latency = 4; }
// Forwarding logic is not [yet] explicitly modeled beyond what is captured
// in the latencies of the A57 Generic SchedWriteRes's.
def : ReadAdvance<ReadI, 0>;
def : ReadAdvance<ReadISReg, 0>;
def : ReadAdvance<ReadIEReg, 0>;
def : ReadAdvance<ReadIM, 0>;
def : ReadAdvance<ReadIMA, 0>;
def : ReadAdvance<ReadID, 0>;
def : ReadAdvance<ReadExtrHi, 0>;
def : ReadAdvance<ReadAdrBase, 0>;
def : ReadAdvance<ReadVLD, 0>;
//===----------------------------------------------------------------------===//
// Specialize the coarse model by associating instruction groups with the
// subtarget-defined types. As the modeled is refined, this will override most
// of the above ShchedAlias mappings.
// Miscellaneous
// -----------------------------------------------------------------------------
def : InstRW<[WriteI], (instrs COPY)>;
// Branch Instructions
// -----------------------------------------------------------------------------
def : InstRW<[A57Write_1cyc_1B_1I], (instrs BL)>;
def : InstRW<[A57Write_2cyc_1B_1I], (instrs BLR)>;
// Divide and Multiply Instructions
// -----------------------------------------------------------------------------
// Multiply high
def : InstRW<[A57Write_6cyc_1M], (instrs SMULHrr, UMULHrr)>;
// Miscellaneous Data-Processing Instructions
// -----------------------------------------------------------------------------
def : InstRW<[A57Write_1cyc_1I], (instrs EXTRWrri)>;
def : InstRW<[A57Write_3cyc_1I_1M], (instrs EXTRXrri)>;
def : InstRW<[A57Write_2cyc_1M], (instregex "BFM")>;
// Cryptography Extensions
// -----------------------------------------------------------------------------
def : InstRW<[A57Write_3cyc_1W], (instregex "CRC32")>;
// Vector Load
// -----------------------------------------------------------------------------
def : InstRW<[A57Write_8cyc_1L_1V], (instregex "LD1i(8|16|32)$")>;
def : InstRW<[A57Write_8cyc_1L_1V, WriteAdr], (instregex "LD1i(8|16|32)_POST$")>;
def : InstRW<[A57Write_5cyc_1L], (instregex "LD1i(64)$")>;
def : InstRW<[A57Write_5cyc_1L, WriteAdr], (instregex "LD1i(64)_POST$")>;
def : InstRW<[A57Write_8cyc_1L_1V], (instregex "LD1Rv(8b|4h|2s)$")>;
def : InstRW<[A57Write_8cyc_1L_1V, WriteAdr], (instregex "LD1Rv(8b|4h|2s)_POST$")>;
def : InstRW<[A57Write_5cyc_1L], (instregex "LD1Rv(1d)$")>;
def : InstRW<[A57Write_5cyc_1L, WriteAdr], (instregex "LD1Rv(1d)_POST$")>;
def : InstRW<[A57Write_8cyc_1L_1V], (instregex "LD1Rv(16b|8h|4s|2d)$")>;
def : InstRW<[A57Write_8cyc_1L_1V, WriteAdr], (instregex "LD1Rv(16b|8h|4s|2d)_POST$")>;
def : InstRW<[A57Write_5cyc_1L], (instregex "LD1Onev(8b|4h|2s|1d)$")>;
def : InstRW<[A57Write_5cyc_1L, WriteAdr], (instregex "LD1Onev(8b|4h|2s|1d)_POST$")>;
def : InstRW<[A57Write_5cyc_1L], (instregex "LD1Onev(16b|8h|4s|2d)$")>;
def : InstRW<[A57Write_5cyc_1L, WriteAdr], (instregex "LD1Onev(16b|8h|4s|2d)_POST$")>;
def : InstRW<[A57Write_5cyc_1L], (instregex "LD1Twov(8b|4h|2s|1d)$")>;
def : InstRW<[A57Write_5cyc_1L, WriteAdr], (instregex "LD1Twov(8b|4h|2s|1d)_POST$")>;
def : InstRW<[A57Write_6cyc_2L], (instregex "LD1Twov(16b|8h|4s|2d)$")>;
def : InstRW<[A57Write_6cyc_2L, WriteAdr], (instregex "LD1Twov(16b|8h|4s|2d)_POST$")>;
def : InstRW<[A57Write_6cyc_2L], (instregex "LD1Threev(8b|4h|2s|1d)$")>;
def : InstRW<[A57Write_6cyc_2L, WriteAdr], (instregex "LD1Threev(8b|4h|2s|1d)_POST$")>;
def : InstRW<[A57Write_7cyc_3L], (instregex "LD1Threev(16b|8h|4s|2d)$")>;
def : InstRW<[A57Write_7cyc_3L, WriteAdr], (instregex "LD1Threev(16b|8h|4s|2d)_POST$")>;
def : InstRW<[A57Write_6cyc_2L], (instregex "LD1Fourv(8b|4h|2s|1d)$")>;
def : InstRW<[A57Write_6cyc_2L, WriteAdr], (instregex "LD1Fourv(8b|4h|2s|1d)_POST$")>;
def : InstRW<[A57Write_8cyc_4L], (instregex "LD1Fourv(16b|8h|4s|2d)$")>;
def : InstRW<[A57Write_8cyc_4L, WriteAdr], (instregex "LD1Fourv(16b|8h|4s|2d)_POST$")>;
def : InstRW<[A57Write_8cyc_1L_2V], (instregex "LD2i(8|16)$")>;
def : InstRW<[A57Write_8cyc_1L_2V, WriteAdr], (instregex "LD2i(8|16)_POST$")>;
def : InstRW<[A57Write_6cyc_2L], (instregex "LD2i(32)$")>;
def : InstRW<[A57Write_6cyc_2L, WriteAdr], (instregex "LD2i(32)_POST$")>;
def : InstRW<[A57Write_8cyc_1L_1V], (instregex "LD2i(64)$")>;
def : InstRW<[A57Write_8cyc_1L_1V, WriteAdr], (instregex "LD2i(64)_POST$")>;
def : InstRW<[A57Write_8cyc_1L_1V], (instregex "LD2Rv(8b|4h|2s)$")>;
def : InstRW<[A57Write_8cyc_1L_1V, WriteAdr], (instregex "LD2Rv(8b|4h|2s)_POST$")>;
def : InstRW<[A57Write_5cyc_1L], (instregex "LD2Rv(1d)$")>;
def : InstRW<[A57Write_5cyc_1L, WriteAdr], (instregex "LD2Rv(1d)_POST$")>;
def : InstRW<[A57Write_8cyc_1L_2V], (instregex "LD2Rv(16b|8h|4s|2d)$")>;
def : InstRW<[A57Write_8cyc_1L_2V, WriteAdr], (instregex "LD2Rv(16b|8h|4s|2d)_POST$")>;
def : InstRW<[A57Write_8cyc_1L_1V], (instregex "LD2Twov(8b|4h|2s)$")>;
def : InstRW<[A57Write_8cyc_1L_1V, WriteAdr], (instregex "LD2Twov(8b|4h|2s)_POST$")>;
def : InstRW<[A57Write_9cyc_2L_2V], (instregex "LD2Twov(16b|8h|4s)$")>;
def : InstRW<[A57Write_9cyc_2L_2V, WriteAdr], (instregex "LD2Twov(16b|8h|4s)_POST$")>;
def : InstRW<[A57Write_6cyc_2L], (instregex "LD2Twov(2d)$")>;
def : InstRW<[A57Write_6cyc_2L, WriteAdr], (instregex "LD2Twov(2d)_POST$")>;
def : InstRW<[A57Write_9cyc_1L_3V], (instregex "LD3i(8|16)$")>;
def : InstRW<[A57Write_9cyc_1L_3V, WriteAdr], (instregex "LD3i(8|16)_POST$")>;
def : InstRW<[A57Write_8cyc_1L_2V], (instregex "LD3i(32)$")>;
def : InstRW<[A57Write_8cyc_1L_2V, WriteAdr], (instregex "LD3i(32)_POST$")>;
def : InstRW<[A57Write_6cyc_2L], (instregex "LD3i(64)$")>;
def : InstRW<[A57Write_6cyc_2L, WriteAdr], (instregex "LD3i(64)_POST$")>;
def : InstRW<[A57Write_8cyc_1L_2V], (instregex "LD3Rv(8b|4h|2s)$")>;
def : InstRW<[A57Write_8cyc_1L_2V, WriteAdr], (instregex "LD3Rv(8b|4h|2s)_POST$")>;
def : InstRW<[A57Write_6cyc_2L], (instregex "LD3Rv(1d)$")>;
def : InstRW<[A57Write_6cyc_2L, WriteAdr], (instregex "LD3Rv(1d)_POST$")>;
def : InstRW<[A57Write_9cyc_1L_3V], (instregex "LD3Rv(16b|8h|4s)$")>;
def : InstRW<[A57Write_9cyc_1L_3V, WriteAdr], (instregex "LD3Rv(16b|8h|4s)_POST$")>;
def : InstRW<[A57Write_9cyc_2L_3V], (instregex "LD3Rv(2d)$")>;
def : InstRW<[A57Write_9cyc_2L_3V, WriteAdr], (instregex "LD3Rv(2d)_POST$")>;
def : InstRW<[A57Write_9cyc_2L_2V], (instregex "LD3Threev(8b|4h|2s)$")>;
def : InstRW<[A57Write_9cyc_2L_2V, WriteAdr], (instregex "LD3Threev(8b|4h|2s)_POST$")>;
def : InstRW<[A57Write_10cyc_3L_4V], (instregex "LD3Threev(16b|8h|4s)$")>;
def : InstRW<[A57Write_10cyc_3L_4V, WriteAdr], (instregex "LD3Threev(16b|8h|4s)_POST$")>;
def : InstRW<[A57Write_8cyc_4L], (instregex "LD3Threev(2d)$")>;
def : InstRW<[A57Write_8cyc_4L, WriteAdr], (instregex "LD3Threev(2d)_POST$")>;
def : InstRW<[A57Write_9cyc_2L_3V], (instregex "LD4i(8|16)$")>;
def : InstRW<[A57Write_9cyc_2L_3V, WriteAdr], (instregex "LD4i(8|16)_POST$")>;
def : InstRW<[A57Write_8cyc_1L_2V], (instregex "LD4i(32)$")>;
def : InstRW<[A57Write_8cyc_1L_2V, WriteAdr], (instregex "LD4i(32)_POST$")>;
def : InstRW<[A57Write_9cyc_2L_3V], (instregex "LD4i(64)$")>;
def : InstRW<[A57Write_9cyc_2L_3V, WriteAdr], (instregex "LD4i(64)_POST$")>;
def : InstRW<[A57Write_8cyc_1L_2V], (instregex "LD4Rv(8b|4h|2s)$")>;
def : InstRW<[A57Write_8cyc_1L_2V, WriteAdr], (instregex "LD4Rv(8b|4h|2s)_POST$")>;
def : InstRW<[A57Write_6cyc_2L], (instregex "LD4Rv(1d)$")>;
def : InstRW<[A57Write_6cyc_2L, WriteAdr], (instregex "LD4Rv(1d)_POST$")>;
def : InstRW<[A57Write_9cyc_2L_3V], (instregex "LD4Rv(16b|8h|4s)$")>;
def : InstRW<[A57Write_9cyc_2L_3V, WriteAdr], (instregex "LD4Rv(16b|8h|4s)_POST$")>;
def : InstRW<[A57Write_9cyc_2L_4V], (instregex "LD4Rv(2d)$")>;
def : InstRW<[A57Write_9cyc_2L_4V, WriteAdr], (instregex "LD4Rv(2d)_POST$")>;
def : InstRW<[A57Write_9cyc_2L_2V], (instregex "LD4Fourv(8b|4h|2s)$")>;
def : InstRW<[A57Write_9cyc_2L_2V, WriteAdr], (instregex "LD4Fourv(8b|4h|2s)_POST$")>;
def : InstRW<[A57Write_11cyc_4L_4V], (instregex "LD4Fourv(16b|8h|4s)$")>;
def : InstRW<[A57Write_11cyc_4L_4V, WriteAdr], (instregex "LD4Fourv(16b|8h|4s)_POST$")>;
def : InstRW<[A57Write_8cyc_4L], (instregex "LD4Fourv(2d)$")>;
def : InstRW<[A57Write_8cyc_4L, WriteAdr], (instregex "LD4Fourv(2d)_POST$")>;
// Vector Store
// -----------------------------------------------------------------------------
def : InstRW<[A57Write_1cyc_1S], (instregex "ST1i(8|16|32)$")>;
def : InstRW<[A57Write_1cyc_1S, WriteAdr], (instregex "ST1i(8|16|32)_POST$")>;
def : InstRW<[A57Write_3cyc_1S_1V], (instregex "ST1i(64)$")>;
def : InstRW<[A57Write_3cyc_1S_1V, WriteAdr], (instregex "ST1i(64)_POST$")>;
def : InstRW<[A57Write_1cyc_1S], (instregex "ST1Onev(8b|4h|2s|1d)$")>;
def : InstRW<[A57Write_1cyc_1S, WriteAdr], (instregex "ST1Onev(8b|4h|2s|1d)_POST$")>;
def : InstRW<[A57Write_2cyc_2S], (instregex "ST1Onev(16b|8h|4s|2d)$")>;
def : InstRW<[A57Write_2cyc_2S, WriteAdr], (instregex "ST1Onev(16b|8h|4s|2d)_POST$")>;
def : InstRW<[A57Write_2cyc_2S], (instregex "ST1Twov(8b|4h|2s|1d)$")>;
def : InstRW<[A57Write_2cyc_2S, WriteAdr], (instregex "ST1Twov(8b|4h|2s|1d)_POST$")>;
def : InstRW<[A57Write_4cyc_4S], (instregex "ST1Twov(16b|8h|4s|2d)$")>;
def : InstRW<[A57Write_4cyc_4S, WriteAdr], (instregex "ST1Twov(16b|8h|4s|2d)_POST$")>;
def : InstRW<[A57Write_3cyc_3S], (instregex "ST1Threev(8b|4h|2s|1d)$")>;
def : InstRW<[A57Write_3cyc_3S, WriteAdr], (instregex "ST1Threev(8b|4h|2s|1d)_POST$")>;
def : InstRW<[A57Write_6cyc_6S], (instregex "ST1Threev(16b|8h|4s|2d)$")>;
def : InstRW<[A57Write_6cyc_6S, WriteAdr], (instregex "ST1Threev(16b|8h|4s|2d)_POST$")>;
def : InstRW<[A57Write_4cyc_4S], (instregex "ST1Fourv(8b|4h|2s|1d)$")>;
def : InstRW<[A57Write_4cyc_4S, WriteAdr], (instregex "ST1Fourv(8b|4h|2s|1d)_POST$")>;
def : InstRW<[A57Write_8cyc_8S], (instregex "ST1Fourv(16b|8h|4s|2d)$")>;
def : InstRW<[A57Write_8cyc_8S, WriteAdr], (instregex "ST1Fourv(16b|8h|4s|2d)_POST$")>;
def : InstRW<[A57Write_3cyc_1S_1V], (instregex "ST2i(8|16|32)$")>;
def : InstRW<[A57Write_3cyc_1S_1V, WriteAdr], (instregex "ST2i(8|16|32)_POST$")>;
def : InstRW<[A57Write_2cyc_2S], (instregex "ST2i(64)$")>;
def : InstRW<[A57Write_2cyc_2S, WriteAdr], (instregex "ST2i(64)_POST$")>;
def : InstRW<[A57Write_3cyc_2S_1V], (instregex "ST2Twov(8b|4h|2s)$")>;
def : InstRW<[A57Write_3cyc_2S_1V, WriteAdr], (instregex "ST2Twov(8b|4h|2s)_POST$")>;
def : InstRW<[A57Write_4cyc_4S_2V], (instregex "ST2Twov(16b|8h|4s)$")>;
def : InstRW<[A57Write_4cyc_4S_2V, WriteAdr], (instregex "ST2Twov(16b|8h|4s)_POST$")>;
def : InstRW<[A57Write_4cyc_4S], (instregex "ST2Twov(2d)$")>;
def : InstRW<[A57Write_4cyc_4S, WriteAdr], (instregex "ST2Twov(2d)_POST$")>;
def : InstRW<[A57Write_3cyc_1S_1V], (instregex "ST3i(8|16)$")>;
def : InstRW<[A57Write_3cyc_1S_1V, WriteAdr], (instregex "ST3i(8|16)_POST$")>;
def : InstRW<[A57Write_3cyc_3S], (instregex "ST3i(32)$")>;
def : InstRW<[A57Write_3cyc_3S, WriteAdr], (instregex "ST3i(32)_POST$")>;
def : InstRW<[A57Write_3cyc_2S_1V], (instregex "ST3i(64)$")>;
def : InstRW<[A57Write_3cyc_2S_1V, WriteAdr], (instregex "ST3i(64)_POST$")>;
def : InstRW<[A57Write_3cyc_3S_2V], (instregex "ST3Threev(8b|4h|2s)$")>;
def : InstRW<[A57Write_3cyc_3S_2V, WriteAdr], (instregex "ST3Threev(8b|4h|2s)_POST$")>;
def : InstRW<[A57Write_6cyc_6S_4V], (instregex "ST3Threev(16b|8h|4s)$")>;
def : InstRW<[A57Write_6cyc_6S_4V, WriteAdr], (instregex "ST3Threev(16b|8h|4s)_POST$")>;
def : InstRW<[A57Write_6cyc_6S], (instregex "ST3Threev(2d)$")>;
def : InstRW<[A57Write_6cyc_6S, WriteAdr], (instregex "ST3Threev(2d)_POST$")>;
def : InstRW<[A57Write_3cyc_1S_1V], (instregex "ST4i(8|16)$")>;
def : InstRW<[A57Write_3cyc_1S_1V, WriteAdr], (instregex "ST4i(8|16)_POST$")>;
def : InstRW<[A57Write_4cyc_4S], (instregex "ST4i(32)$")>;
def : InstRW<[A57Write_4cyc_4S, WriteAdr], (instregex "ST4i(32)_POST$")>;
def : InstRW<[A57Write_3cyc_2S_1V], (instregex "ST4i(64)$")>;
def : InstRW<[A57Write_3cyc_2S_1V, WriteAdr], (instregex "ST4i(64)_POST$")>;
def : InstRW<[A57Write_4cyc_4S_2V], (instregex "ST4Fourv(8b|4h|2s)$")>;
def : InstRW<[A57Write_4cyc_4S_2V, WriteAdr], (instregex "ST4Fourv(8b|4h|2s)_POST$")>;
def : InstRW<[A57Write_8cyc_8S_4V], (instregex "ST4Fourv(16b|8h|4s)$")>;
def : InstRW<[A57Write_8cyc_8S_4V, WriteAdr], (instregex "ST4Fourv(16b|8h|4s)_POST$")>;
def : InstRW<[A57Write_8cyc_8S], (instregex "ST4Fourv(2d)$")>;
def : InstRW<[A57Write_8cyc_8S, WriteAdr], (instregex "ST4Fourv(2d)_POST$")>;
} // SchedModel = CortexA57Model
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