//=-HexagonScheduleV60.td - HexagonV60 Scheduling Definitions *- tablegen -*-=//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// There are four SLOTS (four parallel pipelines) in Hexagon V60 machine.
// This file describes that machine information.
//
// |===========|==================================================|
// | PIPELINE | Instruction Classes |
// |===========|==================================================|
// | SLOT0 | LD ST ALU32 MEMOP NV SYSTEM |
// |-----------|--------------------------------------------------|
// | SLOT1 | LD ST ALU32 |
// |-----------|--------------------------------------------------|
// | SLOT2 | XTYPE ALU32 J JR |
// |-----------|--------------------------------------------------|
// | SLOT3 | XTYPE ALU32 J CR |
// |===========|==================================================|
//
//
// In addition to using the above SLOTS, there are also six vector pipelines
// in the CVI co-processor in the Hexagon V60 machine.
//
// |=========| |=========| |=========| |=========| |=========| |=========|
// SLOT | CVI_LD | |CVI_MPY3 | |CVI_MPY2 | |CVI_SHIFT| |CVI_XLANE| | CVI_ST |
// ==== |=========| |=========| |=========| |=========| |=========| |=========|
// S0-3 | | | CVI_VA | | CVI_VA | | CVI_VA | | CVI_VA | | |
// S2-3 | | | CVI_VX | | CVI_VX | | | | | | |
// S0-3 | | | | | | | | | CVI_VP | | |
// S0-3 | | | | | | | CVI_VS | | | | |
// S0-1 |(CVI_LD) | | CVI_LD | | CVI_LD | | CVI_LD | | CVI_LD | | |
// S0-1 |(C*TMP_LD) | | | | | | | | | |
// S01 |(C*_LDU) | | | | | | | | C*_LDU | | |
// S0 | | | CVI_ST | | CVI_ST | | CVI_ST | | CVI_ST | |(CVI_ST) |
// S0 | | | | | | | | | | |(C*TMP_ST)
// S01 | | | | | | | | | VSTU | |(C*_STU) |
// |=========| |=========| |=========| |=========| |=========| |=========|
// |=====================| |=====================|
// | CVI_MPY2 & CVI_MPY3 | |CVI_XLANE & CVI_SHIFT|
// |=====================| |=====================|
// S0-3 | CVI_VA_DV | | CVI_VA_DV |
// S0-3 | | | CVI_VP_DV |
// S2-3 | CVI_VX_DV | | |
// |=====================| |=====================|
// |=====================================================================|
// S0-3 | CVI_HIST Histogram |
// S0123| CVI_VA_EXT Extract |
// |=====================================================================|
def HexagonV60ItinList : DepScalarItinV60, ScalarItin,
DepHVXItinV60,
HVXItin, PseudoItin {
list<InstrItinData> ItinList =
!listconcat(DepScalarItinV60_list, ScalarItin_list,
DepHVXItinV60_list, HVXItin_list, PseudoItin_list);
}
def HexagonItinerariesV60 :
ProcessorItineraries<[SLOT0, SLOT1, SLOT2, SLOT3, SLOT_ENDLOOP,
CVI_ST, CVI_XLANE, CVI_SHIFT, CVI_MPY0, CVI_MPY1,
CVI_LD, CVI_XLSHF, CVI_MPY01, CVI_ALL,
CVI_ALL_NOMEM, CVI_ZW],
[Hex_FWD, HVX_FWD], HexagonV60ItinList.ItinList>;
def HexagonModelV60 : SchedMachineModel {
// Max issue per cycle == bundle width.
let IssueWidth = 4;
let Itineraries = HexagonItinerariesV60;
let LoadLatency = 1;
let CompleteModel = 0;
}
//===----------------------------------------------------------------------===//
// Hexagon V60 Resource Definitions -
//===----------------------------------------------------------------------===//