1 //=-HexagonScheduleV60.td - HexagonV60 Scheduling Definitions *- tablegen -*-=//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
10 // There are four SLOTS (four parallel pipelines) in Hexagon V60 machine.
11 // This file describes that machine information.
13 // |===========|==================================================|
14 // | PIPELINE | Instruction Classes |
15 // |===========|==================================================|
16 // | SLOT0 | LD ST ALU32 MEMOP NV SYSTEM |
17 // |-----------|--------------------------------------------------|
18 // | SLOT1 | LD ST ALU32 |
19 // |-----------|--------------------------------------------------|
20 // | SLOT2 | XTYPE ALU32 J JR |
21 // |-----------|--------------------------------------------------|
22 // | SLOT3 | XTYPE ALU32 J CR |
23 // |===========|==================================================|
26 // In addition to using the above SLOTS, there are also six vector pipelines
27 // in the CVI co-processor in the Hexagon V60 machine.
29 // |=========| |=========| |=========| |=========| |=========| |=========|
30 // SLOT | CVI_LD | |CVI_MPY3 | |CVI_MPY2 | |CVI_SHIFT| |CVI_XLANE| | CVI_ST |
31 // ==== |=========| |=========| |=========| |=========| |=========| |=========|
32 // S0-3 | | | CVI_VA | | CVI_VA | | CVI_VA | | CVI_VA | | |
33 // S2-3 | | | CVI_VX | | CVI_VX | | | | | | |
34 // S0-3 | | | | | | | | | CVI_VP | | |
35 // S0-3 | | | | | | | CVI_VS | | | | |
36 // S0-1 |(CVI_LD) | | CVI_LD | | CVI_LD | | CVI_LD | | CVI_LD | | |
37 // S0-1 |(C*TMP_LD) | | | | | | | | | |
38 // S01 |(C*_LDU) | | | | | | | | C*_LDU | | |
39 // S0 | | | CVI_ST | | CVI_ST | | CVI_ST | | CVI_ST | |(CVI_ST) |
40 // S0 | | | | | | | | | | |(C*TMP_ST)
41 // S01 | | | | | | | | | VSTU | |(C*_STU) |
42 // |=========| |=========| |=========| |=========| |=========| |=========|
43 // |=====================| |=====================|
44 // | CVI_MPY2 & CVI_MPY3 | |CVI_XLANE & CVI_SHIFT|
45 // |=====================| |=====================|
46 // S0-3 | CVI_VA_DV | | CVI_VA_DV |
47 // S0-3 | | | CVI_VP_DV |
48 // S2-3 | CVI_VX_DV | | |
49 // |=====================| |=====================|
50 // |=====================================================================|
51 // S0-3 | CVI_HIST Histogram |
52 // S0123| CVI_VA_EXT Extract |
53 // |=====================================================================|
55 def HexagonV60ItinList : DepScalarItinV60, ScalarItin,
58 list<InstrItinData> ItinList =
59 !listconcat(DepScalarItinV60_list, ScalarItin_list,
60 DepHVXItinV60_list, HVXItin_list, PseudoItin_list);
63 def HexagonItinerariesV60 :
64 ProcessorItineraries<[SLOT0, SLOT1, SLOT2, SLOT3, SLOT_ENDLOOP,
65 CVI_ST, CVI_XLANE, CVI_SHIFT, CVI_MPY0, CVI_MPY1,
66 CVI_LD, CVI_XLSHF, CVI_MPY01, CVI_ALL,
67 CVI_ALL_NOMEM, CVI_ZW],
68 [Hex_FWD, HVX_FWD], HexagonV60ItinList.ItinList>;
70 def HexagonModelV60 : SchedMachineModel {
71 // Max issue per cycle == bundle width.
73 let Itineraries = HexagonItinerariesV60;
75 let CompleteModel = 0;
78 //===----------------------------------------------------------------------===//
79 // Hexagon V60 Resource Definitions -
80 //===----------------------------------------------------------------------===//