xref: /freebsd/contrib/llvm-project/llvm/lib/Target/PowerPC/PPCScheduleE5500.td (revision ebacd8013fe5f7fdf9f6a5b286f6680dd2891036) 
1//===-- PPCScheduleE500mc.td - e5500 Scheduling Defs -------*- tablegen -*-===//
2//
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
6//
7//===----------------------------------------------------------------------===//
8//
9// This file defines the itinerary class data for the Freescale e5500 64-bit
10// Power processor.
11//
12// All information is derived from the "e5500 Core Reference Manual",
13// Freescale Document Number e5500RM, Rev. 1, 03/2012.
14//
15//===----------------------------------------------------------------------===//
16// Relevant functional units in the Freescale e5500 core
17// (These are the same as for the e500mc)
18//
19//  * Decode & Dispatch
20//    Can dispatch up to 2 instructions per clock cycle to either the GPR Issue
21//    queues (GIQx), FP Issue Queue (FIQ), or Branch issue queue (BIQ).
22def E5500_DIS0 : FuncUnit;
23def E5500_DIS1 : FuncUnit;
24
25//  * Execute
26//    6 pipelined execution units: SFX0, SFX1, BU, FPU, LSU, CFX.
27//    The CFX has a bypass path, allowing non-divide instructions to execute
28//    while a divide instruction is being executed.
29def E5500_SFX0  : FuncUnit; // Simple unit 0
30def E5500_SFX1  : FuncUnit; // Simple unit 1
31def E5500_BU    : FuncUnit; // Branch unit
32def E5500_CFX_DivBypass
33                : FuncUnit; // CFX divide bypass path
34def E5500_CFX_0 : FuncUnit; // CFX pipeline stage 0
35
36def E5500_CFX_1 : FuncUnit; // CFX pipeline stage 1
37
38def E5500_LSU_0 : FuncUnit; // LSU pipeline
39def E5500_FPU_0 : FuncUnit; // FPU pipeline
40
41def E5500_GPR_Bypass : Bypass;
42def E5500_FPR_Bypass : Bypass;
43def E5500_CR_Bypass  : Bypass;
44
45def PPCE5500Itineraries : ProcessorItineraries<
46  [E5500_DIS0, E5500_DIS1, E5500_SFX0, E5500_SFX1, E5500_BU,
47   E5500_CFX_DivBypass, E5500_CFX_0, E5500_CFX_1,
48   E5500_LSU_0, E5500_FPU_0],
49  [E5500_CR_Bypass, E5500_GPR_Bypass, E5500_FPR_Bypass], [
50  InstrItinData<IIC_IntSimple,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
51                                  InstrStage<1, [E5500_SFX0, E5500_SFX1]>],
52                                 [5, 2, 2], // Latency = 1
53                                 [E5500_GPR_Bypass,
54                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
55  InstrItinData<IIC_IntGeneral,  [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
56                                  InstrStage<1, [E5500_SFX0, E5500_SFX1]>],
57                                 [5, 2, 2], // Latency = 1
58                                 [E5500_GPR_Bypass,
59                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
60  InstrItinData<IIC_IntISEL,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
61                                  InstrStage<1, [E5500_SFX0, E5500_SFX1]>],
62                                 [5, 2, 2, 2], // Latency = 1
63                                 [E5500_GPR_Bypass,
64                                  E5500_GPR_Bypass, E5500_GPR_Bypass,
65                                  E5500_CR_Bypass]>,
66  InstrItinData<IIC_IntCompare,  [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
67                                  InstrStage<1, [E5500_SFX0, E5500_SFX1]>],
68                                 [6, 2, 2], // Latency = 1 or 2
69                                 [E5500_CR_Bypass,
70                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
71  InstrItinData<IIC_IntDivD,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
72                                  InstrStage<1, [E5500_CFX_0], 0>,
73                                  InstrStage<26, [E5500_CFX_DivBypass]>],
74                                 [30, 2, 2], // Latency= 4..26, Repeat rate= 4..26
75                                 [E5500_GPR_Bypass,
76                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
77  InstrItinData<IIC_IntDivW,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
78                                  InstrStage<1, [E5500_CFX_0], 0>,
79                                  InstrStage<16, [E5500_CFX_DivBypass]>],
80                                 [20, 2, 2], // Latency= 4..16, Repeat rate= 4..16
81                                 [E5500_GPR_Bypass,
82                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
83  InstrItinData<IIC_IntMFFS,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
84                                  InstrStage<1, [E5500_FPU_0]>],
85                                 [11], // Latency = 7, Repeat rate = 1
86                                 [E5500_FPR_Bypass]>,
87  InstrItinData<IIC_IntMTFSB0,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
88                                  InstrStage<7, [E5500_FPU_0]>],
89                                 [11, 2, 2], // Latency = 7, Repeat rate = 7
90                                 [NoBypass, NoBypass, NoBypass]>,
91  InstrItinData<IIC_IntMulHD,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
92                                  InstrStage<1, [E5500_CFX_0], 0>,
93                                  InstrStage<2, [E5500_CFX_1]>],
94                                 [9, 2, 2], // Latency = 4..7, Repeat rate = 2..4
95                                 [E5500_GPR_Bypass,
96                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
97  InstrItinData<IIC_IntMulHW,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
98                                  InstrStage<1, [E5500_CFX_0], 0>,
99                                  InstrStage<1, [E5500_CFX_1]>],
100                                 [8, 2, 2], // Latency = 4, Repeat rate = 1
101                                 [E5500_GPR_Bypass,
102                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
103  InstrItinData<IIC_IntMulHWU,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
104                                  InstrStage<1, [E5500_CFX_0], 0>,
105                                  InstrStage<1, [E5500_CFX_1]>],
106                                 [8, 2, 2], // Latency = 4, Repeat rate = 1
107                                 [E5500_GPR_Bypass,
108                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
109  InstrItinData<IIC_IntMulLI,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
110                                  InstrStage<1, [E5500_CFX_0], 0>,
111                                  InstrStage<2, [E5500_CFX_1]>],
112                                 [8, 2, 2], // Latency = 4 or 5, Repeat = 2
113                                 [E5500_GPR_Bypass,
114                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
115  InstrItinData<IIC_IntRotate,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
116                                  InstrStage<1, [E5500_SFX0, E5500_SFX1]>],
117                                 [5, 2, 2], // Latency = 1
118                                 [E5500_GPR_Bypass,
119                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
120  InstrItinData<IIC_IntRotateD,  [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
121                                  InstrStage<2, [E5500_SFX0, E5500_SFX1]>],
122                                 [6, 2, 2], // Latency = 2, Repeat rate = 2
123                                 [E5500_GPR_Bypass,
124                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
125  InstrItinData<IIC_IntRotateDI, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
126                                  InstrStage<1, [E5500_SFX0, E5500_SFX1]>],
127                                 [5, 2, 2], // Latency = 1, Repeat rate = 1
128                                 [E5500_GPR_Bypass,
129                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
130  InstrItinData<IIC_IntShift,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
131                                  InstrStage<2, [E5500_SFX0, E5500_SFX1]>],
132                                 [6, 2, 2], // Latency = 2, Repeat rate = 2
133                                 [E5500_GPR_Bypass,
134                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
135  InstrItinData<IIC_IntTrapW,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
136                                  InstrStage<2, [E5500_SFX0]>],
137                                 [6, 2], // Latency = 2, Repeat rate = 2
138                                 [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
139  InstrItinData<IIC_BrB,         [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
140                                  InstrStage<1, [E5500_BU]>],
141                                 [5, 2], // Latency = 1
142                                 [NoBypass, E5500_GPR_Bypass]>,
143  InstrItinData<IIC_BrCR,        [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
144                                  InstrStage<1, [E5500_BU]>],
145                                 [5, 2, 2], // Latency = 1
146                                 [E5500_CR_Bypass,
147                                  E5500_CR_Bypass, E5500_CR_Bypass]>,
148  InstrItinData<IIC_BrMCR,       [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
149                                  InstrStage<1, [E5500_BU]>],
150                                 [5, 2], // Latency = 1
151                                 [E5500_CR_Bypass, E5500_CR_Bypass]>,
152  InstrItinData<IIC_BrMCRX,      [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
153                                  InstrStage<1, [E5500_CFX_0]>],
154                                 [5, 2, 2], // Latency = 1
155                                 [E5500_CR_Bypass, E5500_GPR_Bypass]>,
156  InstrItinData<IIC_LdStDCBA,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
157                                  InstrStage<1, [E5500_LSU_0]>],
158                                 [7, 2], // Latency = 3, Repeat rate = 1
159                                 [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
160  InstrItinData<IIC_LdStDCBF,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
161                                  InstrStage<1, [E5500_LSU_0]>],
162                                 [7, 2], // Latency = 3, Repeat rate = 1
163                                 [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
164  InstrItinData<IIC_LdStDCBI,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
165                                  InstrStage<1, [E5500_LSU_0]>],
166                                 [7, 2], // Latency = 3, Repeat rate = 1
167                                 [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
168  InstrItinData<IIC_LdStLoad,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
169                                  InstrStage<1, [E5500_LSU_0]>],
170                                 [7, 2], // Latency = 3
171                                 [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
172  InstrItinData<IIC_LdStLoadUpd, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
173                                  InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
174                                  InstrStage<1, [E5500_LSU_0]>],
175                                 [7, 2], // Latency = 3, Repeat rate = 1
176                                 [E5500_GPR_Bypass, E5500_GPR_Bypass],
177                                 2>, // 2 micro-ops
178  InstrItinData<IIC_LdStLoadUpdX,[InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
179                                  InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
180                                  InstrStage<1, [E5500_LSU_0]>],
181                                 [7, 2], // Latency = 3, Repeat rate = 1
182                                 [E5500_GPR_Bypass, E5500_GPR_Bypass],
183                                 2>, // 2 micro-ops
184  InstrItinData<IIC_LdStLD,      [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
185                                  InstrStage<1, [E5500_LSU_0]>],
186                                 [7, 2], // Latency = 3, Repeat rate = 1
187                                 [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
188  InstrItinData<IIC_LdStLDARX,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
189                                  InstrStage<3, [E5500_LSU_0]>],
190                                 [7, 2], // Latency = 3, Repeat rate = 3
191                                 [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
192  InstrItinData<IIC_LdStLDU,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
193                                  InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
194                                  InstrStage<1, [E5500_LSU_0]>],
195                                 [7, 2], // Latency = 3, Repeat rate = 1
196                                 [E5500_GPR_Bypass, E5500_GPR_Bypass],
197                                 2>, // 2 micro-ops
198  InstrItinData<IIC_LdStLDUX,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
199                                  InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
200                                  InstrStage<1, [E5500_LSU_0]>],
201                                 [7, 2], // Latency = 3, Repeat rate = 1
202                                 [E5500_GPR_Bypass, E5500_GPR_Bypass],
203                                 2>, // 2 micro-ops
204  InstrItinData<IIC_LdStStore,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
205                                  InstrStage<1, [E5500_LSU_0]>],
206                                 [7, 2], // Latency = 3, Repeat rate = 1
207                                 [NoBypass, E5500_GPR_Bypass]>,
208  InstrItinData<IIC_LdStICBI,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
209                                  InstrStage<1, [E5500_LSU_0]>],
210                                 [7, 2], // Latency = 3, Repeat rate = 1
211                                 [NoBypass, E5500_GPR_Bypass]>,
212  InstrItinData<IIC_LdStSTFD,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
213                                  InstrStage<1, [E5500_LSU_0]>],
214                                 [7, 2, 2], // Latency = 3, Repeat rate = 1
215                                 [E5500_GPR_Bypass,
216                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
217  InstrItinData<IIC_LdStSTFDU,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
218                                  InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
219                                  InstrStage<1, [E5500_LSU_0]>],
220                                 [7, 2, 2], // Latency = 3, Repeat rate = 1
221                                 [E5500_GPR_Bypass,
222                                  E5500_GPR_Bypass, E5500_GPR_Bypass],
223                                 2>, // 2 micro-ops
224  InstrItinData<IIC_LdStLFD,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
225                                  InstrStage<1, [E5500_LSU_0]>],
226                                 [8, 2, 2], // Latency = 4, Repeat rate = 1
227                                 [E5500_FPR_Bypass,
228                                  E5500_GPR_Bypass, E5500_GPR_Bypass],
229                                 2>, // 2 micro-ops
230  InstrItinData<IIC_LdStLFDU,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
231                                  InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
232                                  InstrStage<1, [E5500_LSU_0]>],
233                                 [8, 2, 2], // Latency = 4, Repeat rate = 1
234                                 [E5500_FPR_Bypass,
235                                  E5500_GPR_Bypass, E5500_GPR_Bypass],
236                                 2>, // 2 micro-ops
237  InstrItinData<IIC_LdStLFDUX,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
238                                  InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
239                                  InstrStage<1, [E5500_LSU_0]>],
240                                 [8, 2, 2], // Latency = 4, Repeat rate = 1
241                                 [E5500_FPR_Bypass,
242                                  E5500_GPR_Bypass, E5500_GPR_Bypass],
243                                 2>, // 2 micro-ops
244  InstrItinData<IIC_LdStLHA,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
245                                  InstrStage<1, [E5500_LSU_0]>],
246                                 [7, 2], // Latency = 3
247                                 [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
248  InstrItinData<IIC_LdStLHAU,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
249                                  InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
250                                  InstrStage<1, [E5500_LSU_0]>],
251                                 [7, 2], // Latency = 3, Repeat rate = 1
252                                 [E5500_GPR_Bypass, E5500_GPR_Bypass],
253                                 2>, // 2 micro-ops
254  InstrItinData<IIC_LdStLHAUX,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
255                                  InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
256                                  InstrStage<1, [E5500_LSU_0]>],
257                                 [7, 2], // Latency = 3, Repeat rate = 1
258                                 [E5500_GPR_Bypass, E5500_GPR_Bypass],
259                                 2>, // 2 micro-ops
260  InstrItinData<IIC_LdStLMW,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
261                                  InstrStage<4, [E5500_LSU_0]>],
262                                 [8, 2], // Latency = r+3, Repeat rate = r+3
263                                 [NoBypass, E5500_GPR_Bypass]>,
264  InstrItinData<IIC_LdStLWARX,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
265                                  InstrStage<3, [E5500_LSU_0]>],
266                                 [7, 2, 2], // Latency = 3, Repeat rate = 3
267                                 [E5500_GPR_Bypass,
268                                  E5500_GPR_Bypass, E5500_GPR_Bypass]>,
269  InstrItinData<IIC_LdStSTD,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
270                                  InstrStage<1, [E5500_LSU_0]>],
271                                 [7, 2], // Latency = 3, Repeat rate = 1
272                                 [NoBypass, E5500_GPR_Bypass]>,
273  InstrItinData<IIC_LdStSTDCX,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
274                                  InstrStage<1, [E5500_LSU_0]>],
275                                 [7, 2], // Latency = 3, Repeat rate = 1
276                                 [NoBypass, E5500_GPR_Bypass]>,
277  InstrItinData<IIC_LdStSTU,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
278                                  InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
279                                  InstrStage<1, [E5500_LSU_0]>],
280                                 [7, 2], // Latency = 3, Repeat rate = 1
281                                 [NoBypass, E5500_GPR_Bypass],
282                                 2>, // 2 micro-ops
283  InstrItinData<IIC_LdStSTUX,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
284                                  InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
285                                  InstrStage<1, [E5500_LSU_0]>],
286                                 [7, 2], // Latency = 3, Repeat rate = 1
287                                 [NoBypass, E5500_GPR_Bypass],
288                                 2>, // 2 micro-ops
289  InstrItinData<IIC_LdStSTWCX,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
290                                  InstrStage<1, [E5500_LSU_0]>],
291                                 [7, 2], // Latency = 3, Repeat rate = 1
292                                 [NoBypass, E5500_GPR_Bypass]>,
293  InstrItinData<IIC_LdStSync,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
294                                  InstrStage<1, [E5500_LSU_0]>]>,
295  InstrItinData<IIC_SprMTMSR,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
296                                  InstrStage<2, [E5500_CFX_0]>],
297                                 [6, 2], // Latency = 2, Repeat rate = 4
298                                 [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
299  InstrItinData<IIC_SprTLBSYNC,  [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
300                                  InstrStage<1, [E5500_LSU_0], 0>]>,
301  InstrItinData<IIC_SprMFCR,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
302                                  InstrStage<5, [E5500_CFX_0]>],
303                                 [9, 2], // Latency = 5, Repeat rate = 5
304                                 [E5500_GPR_Bypass, E5500_CR_Bypass]>,
305  InstrItinData<IIC_SprMFCRF,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
306                                  InstrStage<5, [E5500_CFX_0]>],
307                                 [9, 2], // Latency = 5, Repeat rate = 5
308                                 [E5500_GPR_Bypass, E5500_CR_Bypass]>,
309  InstrItinData<IIC_SprMFPMR,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
310                                  InstrStage<4, [E5500_CFX_0]>],
311                                 [8, 2], // Latency = 4, Repeat rate = 4
312                                 [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
313  InstrItinData<IIC_SprMFSPR,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
314                                  InstrStage<1, [E5500_CFX_0]>],
315                                 [5], // Latency = 1, Repeat rate = 1
316                                 [E5500_GPR_Bypass]>,
317  InstrItinData<IIC_SprMTPMR,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
318                                  InstrStage<1, [E5500_CFX_0]>],
319                                 [5], // Latency = 1, Repeat rate = 1
320                                 [E5500_GPR_Bypass]>,
321  InstrItinData<IIC_SprMFTB,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
322                                  InstrStage<4, [E5500_CFX_0]>],
323                                 [8, 2], // Latency = 4, Repeat rate = 4
324                                 [NoBypass, E5500_GPR_Bypass]>,
325  InstrItinData<IIC_SprMTSPR,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
326                                  InstrStage<1, [E5500_CFX_0]>],
327                                 [5], // Latency = 1, Repeat rate = 1
328                                 [E5500_GPR_Bypass]>,
329  InstrItinData<IIC_FPGeneral,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
330                                  InstrStage<1, [E5500_FPU_0]>],
331                                 [11, 2, 2], // Latency = 7, Repeat rate = 1
332                                 [E5500_FPR_Bypass,
333                                  E5500_FPR_Bypass, E5500_FPR_Bypass]>,
334  InstrItinData<IIC_FPAddSub,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
335                                  InstrStage<1, [E5500_FPU_0]>],
336                                 [11, 2, 2], // Latency = 7, Repeat rate = 1
337                                 [E5500_FPR_Bypass,
338                                  E5500_FPR_Bypass, E5500_FPR_Bypass]>,
339  InstrItinData<IIC_FPCompare,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
340                                  InstrStage<1, [E5500_FPU_0]>],
341                                 [11, 2, 2], // Latency = 7, Repeat rate = 1
342                                 [E5500_CR_Bypass,
343                                  E5500_FPR_Bypass, E5500_FPR_Bypass]>,
344  InstrItinData<IIC_FPDivD,      [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
345                                  InstrStage<31, [E5500_FPU_0]>],
346                                 [39, 2, 2], // Latency = 35, Repeat rate = 31
347                                 [E5500_FPR_Bypass,
348                                  E5500_FPR_Bypass, E5500_FPR_Bypass]>,
349  InstrItinData<IIC_FPDivS,      [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
350                                  InstrStage<16, [E5500_FPU_0]>],
351                                 [24, 2, 2], // Latency = 20, Repeat rate = 16
352                                 [E5500_FPR_Bypass,
353                                  E5500_FPR_Bypass, E5500_FPR_Bypass]>,
354  InstrItinData<IIC_FPFused,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
355                                  InstrStage<1, [E5500_FPU_0]>],
356                                 [11, 2, 2, 2], // Latency = 7, Repeat rate = 1
357                                 [E5500_FPR_Bypass,
358                                  E5500_FPR_Bypass, E5500_FPR_Bypass,
359                                  E5500_FPR_Bypass]>,
360  InstrItinData<IIC_FPRes,       [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
361                                  InstrStage<2, [E5500_FPU_0]>],
362                                 [12, 2], // Latency = 8, Repeat rate = 2
363                                 [E5500_FPR_Bypass, E5500_FPR_Bypass]>
364]>;
365
366// ===---------------------------------------------------------------------===//
367// e5500 machine model for scheduling and other instruction cost heuristics.
368
369def PPCE5500Model : SchedMachineModel {
370  let IssueWidth = 2;  // 2 micro-ops are dispatched per cycle.
371  let LoadLatency = 6; // Optimistic load latency assuming bypass.
372                       // This is overriden by OperandCycles if the
373                       // Itineraries are queried instead.
374
375  let CompleteModel = 0;
376
377  let Itineraries = PPCE5500Itineraries;
378}
379