1 //===-- PPCSchedule440.td - PPC 440 Scheduling Definitions -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 // PowerPC 440x6 Embedded Processor Core User's Manual.
12 // IBM (as updated in) 2010.
14 // The basic PPC 440 does not include a floating-point unit; the pipeline
15 // timings here are constructed to match the FP2 unit shipped with the
16 // PPC-440- and PPC-450-based Blue Gene (L and P) supercomputers.
18 // S. Chatterjee, et al. Design and exploitation of a high-performance
19 // SIMD floating-point unit for Blue Gene/L.
20 // IBM J. Res. & Dev. 49 (2/3) March/May 2005.
22 // Carlos Sosa and Brant Knudson. IBM System Blue Gene Solution:
23 // Blue Gene/P Application Development.
24 // IBM (as updated in) 2009.
26 //===----------------------------------------------------------------------===//
27 // Functional units on the PowerPC 440/450 chip sets
29 def P440_DISS1 : FuncUnit; // Issue unit 1
30 def P440_DISS2 : FuncUnit; // Issue unit 2
31 def P440_LRACC : FuncUnit; // Register access and dispatch for
32 // the simple integer (J-pipe) and
33 // load/store (L-pipe) pipelines
34 def P440_IRACC : FuncUnit; // Register access and dispatch for
35 // the complex integer (I-pipe) pipeline
36 def P440_FRACC : FuncUnit; // Register access and dispatch for
37 // the floating-point execution (F-pipe) pipeline
38 def P440_IEXE1 : FuncUnit; // Execution stage 1 for the I pipeline
39 def P440_IEXE2 : FuncUnit; // Execution stage 2 for the I pipeline
40 def P440_IWB : FuncUnit; // Write-back unit for the I pipeline
41 def P440_JEXE1 : FuncUnit; // Execution stage 1 for the J pipeline
42 def P440_JEXE2 : FuncUnit; // Execution stage 2 for the J pipeline
43 def P440_JWB : FuncUnit; // Write-back unit for the J pipeline
44 def P440_AGEN : FuncUnit; // Address generation for the L pipeline
45 def P440_CRD : FuncUnit; // D-cache access for the L pipeline
46 def P440_LWB : FuncUnit; // Write-back unit for the L pipeline
47 def P440_FEXE1 : FuncUnit; // Execution stage 1 for the F pipeline
48 def P440_FEXE2 : FuncUnit; // Execution stage 2 for the F pipeline
49 def P440_FEXE3 : FuncUnit; // Execution stage 3 for the F pipeline
50 def P440_FEXE4 : FuncUnit; // Execution stage 4 for the F pipeline
51 def P440_FEXE5 : FuncUnit; // Execution stage 5 for the F pipeline
52 def P440_FEXE6 : FuncUnit; // Execution stage 6 for the F pipeline
53 def P440_FWB : FuncUnit; // Write-back unit for the F pipeline
55 def P440_LWARX_Hold : FuncUnit; // This is a pseudo-unit which is used
56 // to make sure that no lwarx/stwcx.
57 // instructions are issued while another
58 // lwarx/stwcx. is in the L pipe.
60 def P440_GPR_Bypass : Bypass; // The bypass for general-purpose regs.
61 def P440_FPR_Bypass : Bypass; // The bypass for floating-point regs.
64 // Instructions are held in the FRACC, LRACC and IRACC pipeline
65 // stages until their source operands become ready. Exceptions:
66 // - Store instructions will hold in the AGEN stage
67 // - The integer multiply-accumulate instruction will hold in
70 // For most I-pipe operations, the result is available at the end of
71 // the IEXE1 stage. Operations such as multiply and divide must
72 // continue to execute in IEXE2 and IWB. Divide resides in IWB for
73 // 33 cycles (multiply also calculates its result in IWB). For all
74 // J-pipe instructions, the result is available
75 // at the end of the JEXE1 stage. Loads have a 3-cycle latency
76 // (data is not available until after the LWB stage).
78 // The L1 cache hit latency is four cycles for floating point loads
79 // and three cycles for integer loads.
81 // The stwcx. instruction requires both the LRACC and the IRACC
82 // dispatch stages. It must be issued from DISS0.
84 // All lwarx/stwcx. instructions hold in LRACC if another
85 // uncommitted lwarx/stwcx. is in AGEN, CRD, or LWB.
87 // msync (a.k.a. sync) and mbar will hold in LWB until all load/store
88 // resources are empty. AGEN and CRD are held empty until the msync/mbar
91 // Most floating-point instructions, computational and move,
92 // have a 5-cycle latency. Divide takes longer (30 cycles). Instructions that
93 // update the CR take 2 cycles. Stores take 3 cycles and, as mentioned above,
94 // loads take 4 cycles (for L1 hit).
97 // This file defines the itinerary class data for the PPC 440 processor.
99 //===----------------------------------------------------------------------===//
102 def PPC440Itineraries : ProcessorItineraries<
103 [P440_DISS1, P440_DISS2, P440_FRACC, P440_IRACC, P440_IEXE1, P440_IEXE2,
104 P440_IWB, P440_LRACC, P440_JEXE1, P440_JEXE2, P440_JWB, P440_AGEN, P440_CRD,
105 P440_LWB, P440_FEXE1, P440_FEXE2, P440_FEXE3, P440_FEXE4, P440_FEXE5,
106 P440_FEXE6, P440_FWB, P440_LWARX_Hold],
107 [P440_GPR_Bypass, P440_FPR_Bypass], [
108 InstrItinData<IIC_IntSimple, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
109 InstrStage<1, [P440_IRACC, P440_LRACC]>,
110 InstrStage<1, [P440_IEXE1, P440_JEXE1]>,
111 InstrStage<1, [P440_IEXE2, P440_JEXE2]>,
112 InstrStage<1, [P440_IWB, P440_JWB]>],
115 P440_GPR_Bypass, P440_GPR_Bypass]>,
116 InstrItinData<IIC_IntGeneral, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
117 InstrStage<1, [P440_IRACC, P440_LRACC]>,
118 InstrStage<1, [P440_IEXE1, P440_JEXE1]>,
119 InstrStage<1, [P440_IEXE2, P440_JEXE2]>,
120 InstrStage<1, [P440_IWB, P440_JWB]>],
123 P440_GPR_Bypass, P440_GPR_Bypass]>,
124 InstrItinData<IIC_IntISEL, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
125 InstrStage<1, [P440_IRACC, P440_LRACC]>,
126 InstrStage<1, [P440_IEXE1, P440_JEXE1]>,
127 InstrStage<1, [P440_IEXE2, P440_JEXE2]>,
128 InstrStage<1, [P440_IWB, P440_JWB]>],
131 P440_GPR_Bypass, P440_GPR_Bypass, NoBypass]>,
132 InstrItinData<IIC_IntCompare, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
133 InstrStage<1, [P440_IRACC, P440_LRACC]>,
134 InstrStage<1, [P440_IEXE1, P440_JEXE1]>,
135 InstrStage<1, [P440_IEXE2, P440_JEXE2]>,
136 InstrStage<1, [P440_IWB, P440_JWB]>],
138 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
139 InstrItinData<IIC_IntDivW, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
140 InstrStage<1, [P440_IRACC]>,
141 InstrStage<1, [P440_IEXE1]>,
142 InstrStage<1, [P440_IEXE2]>,
143 InstrStage<33, [P440_IWB]>],
145 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
146 InstrItinData<IIC_IntMFFS, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
147 InstrStage<1, [P440_IRACC]>,
148 InstrStage<1, [P440_IEXE1]>,
149 InstrStage<1, [P440_IEXE2]>,
150 InstrStage<1, [P440_IWB]>],
153 P440_GPR_Bypass, P440_GPR_Bypass]>,
154 InstrItinData<IIC_IntMTFSB0, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
155 InstrStage<1, [P440_IRACC]>,
156 InstrStage<1, [P440_IEXE1]>,
157 InstrStage<1, [P440_IEXE2]>,
158 InstrStage<1, [P440_IWB]>],
161 P440_GPR_Bypass, P440_GPR_Bypass]>,
162 InstrItinData<IIC_IntMulHW, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
163 InstrStage<1, [P440_IRACC]>,
164 InstrStage<1, [P440_IEXE1]>,
165 InstrStage<1, [P440_IEXE2]>,
166 InstrStage<1, [P440_IWB]>],
168 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
169 InstrItinData<IIC_IntMulHWU, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
170 InstrStage<1, [P440_IRACC]>,
171 InstrStage<1, [P440_IEXE1]>,
172 InstrStage<1, [P440_IEXE2]>,
173 InstrStage<1, [P440_IWB]>],
175 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
176 InstrItinData<IIC_IntMulLI, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
177 InstrStage<1, [P440_IRACC]>,
178 InstrStage<1, [P440_IEXE1]>,
179 InstrStage<1, [P440_IEXE2]>,
180 InstrStage<1, [P440_IWB]>],
182 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
183 InstrItinData<IIC_IntRotate, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
184 InstrStage<1, [P440_IRACC, P440_LRACC]>,
185 InstrStage<1, [P440_IEXE1, P440_JEXE1]>,
186 InstrStage<1, [P440_IEXE2, P440_JEXE2]>,
187 InstrStage<1, [P440_IWB, P440_JWB]>],
190 P440_GPR_Bypass, P440_GPR_Bypass]>,
191 InstrItinData<IIC_IntShift, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
192 InstrStage<1, [P440_IRACC, P440_LRACC]>,
193 InstrStage<1, [P440_IEXE1, P440_JEXE1]>,
194 InstrStage<1, [P440_IEXE2, P440_JEXE2]>,
195 InstrStage<1, [P440_IWB, P440_JWB]>],
198 P440_GPR_Bypass, P440_GPR_Bypass]>,
199 InstrItinData<IIC_IntTrapW, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
200 InstrStage<1, [P440_IRACC]>,
201 InstrStage<1, [P440_IEXE1]>,
202 InstrStage<1, [P440_IEXE2]>,
203 InstrStage<1, [P440_IWB]>],
205 [P440_GPR_Bypass, P440_GPR_Bypass]>,
206 InstrItinData<IIC_BrB, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
207 InstrStage<1, [P440_IRACC]>,
208 InstrStage<1, [P440_IEXE1]>,
209 InstrStage<1, [P440_IEXE2]>,
210 InstrStage<1, [P440_IWB]>],
212 [NoBypass, P440_GPR_Bypass]>,
213 InstrItinData<IIC_BrCR, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
214 InstrStage<1, [P440_IRACC]>,
215 InstrStage<1, [P440_IEXE1]>,
216 InstrStage<1, [P440_IEXE2]>,
217 InstrStage<1, [P440_IWB]>],
219 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
220 InstrItinData<IIC_BrMCR, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
221 InstrStage<1, [P440_IRACC]>,
222 InstrStage<1, [P440_IEXE1]>,
223 InstrStage<1, [P440_IEXE2]>,
224 InstrStage<1, [P440_IWB]>],
226 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
227 InstrItinData<IIC_BrMCRX, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
228 InstrStage<1, [P440_IRACC]>,
229 InstrStage<1, [P440_IEXE1]>,
230 InstrStage<1, [P440_IEXE2]>,
231 InstrStage<1, [P440_IWB]>],
233 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
234 InstrItinData<IIC_LdStDCBA, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
235 InstrStage<1, [P440_LRACC]>,
236 InstrStage<1, [P440_AGEN]>,
237 InstrStage<1, [P440_CRD]>,
238 InstrStage<1, [P440_LWB]>],
240 [NoBypass, P440_GPR_Bypass]>,
241 InstrItinData<IIC_LdStDCBF, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
242 InstrStage<1, [P440_LRACC]>,
243 InstrStage<1, [P440_AGEN]>,
244 InstrStage<1, [P440_CRD]>,
245 InstrStage<1, [P440_LWB]>],
247 [NoBypass, P440_GPR_Bypass]>,
248 InstrItinData<IIC_LdStDCBI, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
249 InstrStage<1, [P440_LRACC]>,
250 InstrStage<1, [P440_AGEN]>,
251 InstrStage<1, [P440_CRD]>,
252 InstrStage<1, [P440_LWB]>],
254 [NoBypass, P440_GPR_Bypass]>,
255 InstrItinData<IIC_LdStLoad, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
256 InstrStage<1, [P440_LRACC]>,
257 InstrStage<1, [P440_AGEN]>,
258 InstrStage<1, [P440_CRD]>,
259 InstrStage<2, [P440_LWB]>],
261 [P440_GPR_Bypass, P440_GPR_Bypass]>,
262 InstrItinData<IIC_LdStLoadUpd,[InstrStage<1, [P440_DISS1, P440_DISS2]>,
263 InstrStage<1, [P440_LRACC]>,
264 InstrStage<1, [P440_AGEN]>,
265 InstrStage<1, [P440_CRD]>,
266 InstrStage<2, [P440_LWB]>],
268 [P440_GPR_Bypass, P440_GPR_Bypass]>,
269 InstrItinData<IIC_LdStLoadUpdX,[InstrStage<1, [P440_DISS1, P440_DISS2]>,
270 InstrStage<1, [P440_LRACC]>,
271 InstrStage<1, [P440_AGEN]>,
272 InstrStage<1, [P440_CRD]>,
273 InstrStage<2, [P440_LWB]>],
275 [P440_GPR_Bypass, P440_GPR_Bypass]>,
276 InstrItinData<IIC_LdStStore, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
277 InstrStage<1, [P440_LRACC]>,
278 InstrStage<1, [P440_AGEN]>,
279 InstrStage<1, [P440_CRD]>,
280 InstrStage<2, [P440_LWB]>],
282 [NoBypass, P440_GPR_Bypass]>,
283 InstrItinData<IIC_LdStICBI, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
284 InstrStage<1, [P440_LRACC]>,
285 InstrStage<1, [P440_AGEN]>,
286 InstrStage<1, [P440_CRD]>,
287 InstrStage<1, [P440_LWB]>],
289 [NoBypass, P440_GPR_Bypass]>,
290 InstrItinData<IIC_LdStSTFD, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
291 InstrStage<1, [P440_LRACC]>,
292 InstrStage<1, [P440_AGEN]>,
293 InstrStage<1, [P440_CRD]>,
294 InstrStage<1, [P440_LWB]>],
296 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
297 InstrItinData<IIC_LdStSTFDU, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
298 InstrStage<1, [P440_LRACC]>,
299 InstrStage<1, [P440_AGEN]>,
300 InstrStage<1, [P440_CRD]>,
301 InstrStage<1, [P440_LWB]>],
303 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
304 InstrItinData<IIC_LdStLFD, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
305 InstrStage<1, [P440_LRACC]>,
306 InstrStage<1, [P440_AGEN]>,
307 InstrStage<1, [P440_CRD]>,
308 InstrStage<2, [P440_LWB]>],
310 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
311 InstrItinData<IIC_LdStLFDU, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
312 InstrStage<1, [P440_LRACC]>,
313 InstrStage<1, [P440_AGEN]>,
314 InstrStage<1, [P440_CRD]>,
315 InstrStage<1, [P440_LWB]>],
317 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
318 InstrItinData<IIC_LdStLFDUX, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
319 InstrStage<1, [P440_LRACC]>,
320 InstrStage<1, [P440_AGEN]>,
321 InstrStage<1, [P440_CRD]>,
322 InstrStage<1, [P440_LWB]>],
324 [NoBypass, P440_GPR_Bypass, P440_GPR_Bypass]>,
325 InstrItinData<IIC_LdStLHA, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
326 InstrStage<1, [P440_LRACC]>,
327 InstrStage<1, [P440_AGEN]>,
328 InstrStage<1, [P440_CRD]>,
329 InstrStage<1, [P440_LWB]>],
331 [NoBypass, P440_GPR_Bypass]>,
332 InstrItinData<IIC_LdStLHAU, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
333 InstrStage<1, [P440_LRACC]>,
334 InstrStage<1, [P440_AGEN]>,
335 InstrStage<1, [P440_CRD]>,
336 InstrStage<1, [P440_LWB]>],
338 [NoBypass, P440_GPR_Bypass]>,
339 InstrItinData<IIC_LdStLHAUX, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
340 InstrStage<1, [P440_LRACC]>,
341 InstrStage<1, [P440_AGEN]>,
342 InstrStage<1, [P440_CRD]>,
343 InstrStage<1, [P440_LWB]>],
345 [NoBypass, P440_GPR_Bypass]>,
346 InstrItinData<IIC_LdStLMW, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
347 InstrStage<1, [P440_LRACC]>,
348 InstrStage<1, [P440_AGEN]>,
349 InstrStage<1, [P440_CRD]>,
350 InstrStage<1, [P440_LWB]>],
352 [NoBypass, P440_GPR_Bypass]>,
353 InstrItinData<IIC_LdStLWARX, [InstrStage<1, [P440_DISS1]>,
354 InstrStage<1, [P440_IRACC], 0>,
355 InstrStage<4, [P440_LWARX_Hold], 0>,
356 InstrStage<1, [P440_LRACC]>,
357 InstrStage<1, [P440_AGEN]>,
358 InstrStage<1, [P440_CRD]>,
359 InstrStage<1, [P440_LWB]>],
361 [NoBypass, P440_GPR_Bypass]>,
362 InstrItinData<IIC_LdStSTD, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
363 InstrStage<1, [P440_LRACC]>,
364 InstrStage<1, [P440_AGEN]>,
365 InstrStage<1, [P440_CRD]>,
366 InstrStage<2, [P440_LWB]>],
368 [NoBypass, P440_GPR_Bypass]>,
369 InstrItinData<IIC_LdStSTU, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
370 InstrStage<1, [P440_LRACC]>,
371 InstrStage<1, [P440_AGEN]>,
372 InstrStage<1, [P440_CRD]>,
373 InstrStage<2, [P440_LWB]>],
375 [NoBypass, P440_GPR_Bypass]>,
376 InstrItinData<IIC_LdStSTUX, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
377 InstrStage<1, [P440_LRACC]>,
378 InstrStage<1, [P440_AGEN]>,
379 InstrStage<1, [P440_CRD]>,
380 InstrStage<2, [P440_LWB]>],
382 [NoBypass, P440_GPR_Bypass]>,
383 InstrItinData<IIC_LdStSTDCX, [InstrStage<1, [P440_DISS1]>,
384 InstrStage<1, [P440_IRACC], 0>,
385 InstrStage<4, [P440_LWARX_Hold], 0>,
386 InstrStage<1, [P440_LRACC]>,
387 InstrStage<1, [P440_AGEN]>,
388 InstrStage<1, [P440_CRD]>,
389 InstrStage<1, [P440_LWB]>],
391 [NoBypass, P440_GPR_Bypass]>,
392 InstrItinData<IIC_LdStSTWCX, [InstrStage<1, [P440_DISS1]>,
393 InstrStage<1, [P440_IRACC], 0>,
394 InstrStage<4, [P440_LWARX_Hold], 0>,
395 InstrStage<1, [P440_LRACC]>,
396 InstrStage<1, [P440_AGEN]>,
397 InstrStage<1, [P440_CRD]>,
398 InstrStage<1, [P440_LWB]>],
400 [NoBypass, P440_GPR_Bypass]>,
401 InstrItinData<IIC_LdStSync, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
402 InstrStage<1, [P440_LRACC]>,
403 InstrStage<3, [P440_AGEN], 1>,
404 InstrStage<2, [P440_CRD], 1>,
405 InstrStage<1, [P440_LWB]>]>,
406 InstrItinData<IIC_SprISYNC, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
407 InstrStage<1, [P440_FRACC], 0>,
408 InstrStage<1, [P440_LRACC], 0>,
409 InstrStage<1, [P440_IRACC]>,
410 InstrStage<1, [P440_FEXE1], 0>,
411 InstrStage<1, [P440_AGEN], 0>,
412 InstrStage<1, [P440_JEXE1], 0>,
413 InstrStage<1, [P440_IEXE1]>,
414 InstrStage<1, [P440_FEXE2], 0>,
415 InstrStage<1, [P440_CRD], 0>,
416 InstrStage<1, [P440_JEXE2], 0>,
417 InstrStage<1, [P440_IEXE2]>,
418 InstrStage<6, [P440_FEXE3], 0>,
419 InstrStage<6, [P440_LWB], 0>,
420 InstrStage<6, [P440_JWB], 0>,
421 InstrStage<6, [P440_IWB]>]>,
422 InstrItinData<IIC_SprMFSR, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
423 InstrStage<1, [P440_IRACC]>,
424 InstrStage<1, [P440_IEXE1]>,
425 InstrStage<1, [P440_IEXE2]>,
426 InstrStage<1, [P440_IWB]>],
428 [P440_GPR_Bypass, P440_GPR_Bypass]>,
429 InstrItinData<IIC_SprMTMSR, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
430 InstrStage<1, [P440_IRACC]>,
431 InstrStage<1, [P440_IEXE1]>,
432 InstrStage<1, [P440_IEXE2]>,
433 InstrStage<1, [P440_IWB]>],
435 [P440_GPR_Bypass, P440_GPR_Bypass]>,
436 InstrItinData<IIC_SprMTSR, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
437 InstrStage<1, [P440_IRACC]>,
438 InstrStage<1, [P440_IEXE1]>,
439 InstrStage<1, [P440_IEXE2]>,
440 InstrStage<3, [P440_IWB]>],
442 [NoBypass, P440_GPR_Bypass]>,
443 InstrItinData<IIC_SprTLBSYNC, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
444 InstrStage<1, [P440_IRACC]>,
445 InstrStage<1, [P440_IEXE1]>,
446 InstrStage<1, [P440_IEXE2]>,
447 InstrStage<1, [P440_IWB]>]>,
448 InstrItinData<IIC_SprMFCR, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
449 InstrStage<1, [P440_IRACC]>,
450 InstrStage<1, [P440_IEXE1]>,
451 InstrStage<1, [P440_IEXE2]>,
452 InstrStage<1, [P440_IWB]>],
454 [NoBypass, P440_GPR_Bypass]>,
455 InstrItinData<IIC_SprMFMSR, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
456 InstrStage<1, [P440_IRACC]>,
457 InstrStage<1, [P440_IEXE1]>,
458 InstrStage<1, [P440_IEXE2]>,
459 InstrStage<1, [P440_IWB]>],
461 [P440_GPR_Bypass, P440_GPR_Bypass]>,
462 InstrItinData<IIC_SprMFSPR, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
463 InstrStage<1, [P440_IRACC]>,
464 InstrStage<1, [P440_IEXE1]>,
465 InstrStage<1, [P440_IEXE2]>,
466 InstrStage<3, [P440_IWB]>],
468 [NoBypass, P440_GPR_Bypass]>,
469 InstrItinData<IIC_SprMFTB, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
470 InstrStage<1, [P440_IRACC]>,
471 InstrStage<1, [P440_IEXE1]>,
472 InstrStage<1, [P440_IEXE2]>,
473 InstrStage<3, [P440_IWB]>],
475 [NoBypass, P440_GPR_Bypass]>,
476 InstrItinData<IIC_SprMTSPR, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
477 InstrStage<1, [P440_IRACC]>,
478 InstrStage<1, [P440_IEXE1]>,
479 InstrStage<1, [P440_IEXE2]>,
480 InstrStage<3, [P440_IWB]>],
482 [NoBypass, P440_GPR_Bypass]>,
483 InstrItinData<IIC_SprMTSRIN, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
484 InstrStage<1, [P440_IRACC]>,
485 InstrStage<1, [P440_IEXE1]>,
486 InstrStage<1, [P440_IEXE2]>,
487 InstrStage<3, [P440_IWB]>],
489 [NoBypass, P440_GPR_Bypass]>,
490 InstrItinData<IIC_SprRFI, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
491 InstrStage<1, [P440_IRACC]>,
492 InstrStage<1, [P440_IEXE1]>,
493 InstrStage<1, [P440_IEXE2]>,
494 InstrStage<1, [P440_IWB]>],
496 [NoBypass, P440_GPR_Bypass]>,
497 InstrItinData<IIC_SprSC, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
498 InstrStage<1, [P440_IRACC]>,
499 InstrStage<1, [P440_IEXE1]>,
500 InstrStage<1, [P440_IEXE2]>,
501 InstrStage<1, [P440_IWB]>],
503 [NoBypass, P440_GPR_Bypass]>,
504 InstrItinData<IIC_FPGeneral, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
505 InstrStage<1, [P440_FRACC]>,
506 InstrStage<1, [P440_FEXE1]>,
507 InstrStage<1, [P440_FEXE2]>,
508 InstrStage<1, [P440_FEXE3]>,
509 InstrStage<1, [P440_FEXE4]>,
510 InstrStage<1, [P440_FEXE5]>,
511 InstrStage<1, [P440_FEXE6]>,
512 InstrStage<1, [P440_FWB]>],
515 P440_FPR_Bypass, P440_FPR_Bypass]>,
516 InstrItinData<IIC_FPAddSub, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
517 InstrStage<1, [P440_FRACC]>,
518 InstrStage<1, [P440_FEXE1]>,
519 InstrStage<1, [P440_FEXE2]>,
520 InstrStage<1, [P440_FEXE3]>,
521 InstrStage<1, [P440_FEXE4]>,
522 InstrStage<1, [P440_FEXE5]>,
523 InstrStage<1, [P440_FEXE6]>,
524 InstrStage<1, [P440_FWB]>],
527 P440_FPR_Bypass, P440_FPR_Bypass]>,
528 InstrItinData<IIC_FPCompare, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
529 InstrStage<1, [P440_FRACC]>,
530 InstrStage<1, [P440_FEXE1]>,
531 InstrStage<1, [P440_FEXE2]>,
532 InstrStage<1, [P440_FEXE3]>,
533 InstrStage<1, [P440_FEXE4]>,
534 InstrStage<1, [P440_FEXE5]>,
535 InstrStage<1, [P440_FEXE6]>,
536 InstrStage<1, [P440_FWB]>],
538 [P440_FPR_Bypass, P440_FPR_Bypass,
540 InstrItinData<IIC_FPDivD, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
541 InstrStage<1, [P440_FRACC]>,
542 InstrStage<1, [P440_FEXE1]>,
543 InstrStage<1, [P440_FEXE2]>,
544 InstrStage<1, [P440_FEXE3]>,
545 InstrStage<1, [P440_FEXE4]>,
546 InstrStage<1, [P440_FEXE5]>,
547 InstrStage<1, [P440_FEXE6]>,
548 InstrStage<25, [P440_FWB]>],
550 [NoBypass, P440_FPR_Bypass, P440_FPR_Bypass]>,
551 InstrItinData<IIC_FPDivS, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
552 InstrStage<1, [P440_FRACC]>,
553 InstrStage<1, [P440_FEXE1]>,
554 InstrStage<1, [P440_FEXE2]>,
555 InstrStage<1, [P440_FEXE3]>,
556 InstrStage<1, [P440_FEXE4]>,
557 InstrStage<1, [P440_FEXE5]>,
558 InstrStage<1, [P440_FEXE6]>,
559 InstrStage<13, [P440_FWB]>],
561 [NoBypass, P440_FPR_Bypass, P440_FPR_Bypass]>,
562 InstrItinData<IIC_FPFused, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
563 InstrStage<1, [P440_FRACC]>,
564 InstrStage<1, [P440_FEXE1]>,
565 InstrStage<1, [P440_FEXE2]>,
566 InstrStage<1, [P440_FEXE3]>,
567 InstrStage<1, [P440_FEXE4]>,
568 InstrStage<1, [P440_FEXE5]>,
569 InstrStage<1, [P440_FEXE6]>,
570 InstrStage<1, [P440_FWB]>],
573 P440_FPR_Bypass, P440_FPR_Bypass,
575 InstrItinData<IIC_FPRes, [InstrStage<1, [P440_DISS1, P440_DISS2]>,
576 InstrStage<1, [P440_FRACC]>,
577 InstrStage<1, [P440_FEXE1]>,
578 InstrStage<1, [P440_FEXE2]>,
579 InstrStage<1, [P440_FEXE3]>,
580 InstrStage<1, [P440_FEXE4]>,
581 InstrStage<1, [P440_FEXE5]>,
582 InstrStage<1, [P440_FEXE6]>,
583 InstrStage<1, [P440_FWB]>],
585 [P440_FPR_Bypass, P440_FPR_Bypass]>
588 // ===---------------------------------------------------------------------===//
589 // PPC440 machine model for scheduling and other instruction cost heuristics.
591 def PPC440Model : SchedMachineModel {
592 let IssueWidth = 2; // 2 instructions are dispatched per cycle.
593 let LoadLatency = 5; // Optimistic load latency assuming bypass.
594 // This is overriden by OperandCycles if the
595 // Itineraries are queried instead.
597 let CompleteModel = 0;
599 let Itineraries = PPC440Itineraries;