| //=-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 - |
| //===----------------------------------------------------------------------===// |
