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1 709 jeremybenn 
;; Scheduling description for z196 (cpu 2817).
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;;   Copyright (C) 2010
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;;   Free Software Foundation, Inc.
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;;   Contributed by Christian Borntraeger (Christian.Borntraeger@de.ibm.com)
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;;                  Andreas Krebbel (Andreas.Krebbel@de.ibm.com)
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7 
;; This file is part of GCC.
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;; GCC is free software; you can redistribute it and/or modify it under
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;; the terms of the GNU General Public License as published by the Free
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;; Software Foundation; either version 3, or (at your option) any later
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;; version.
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;; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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;; WARRANTY; without even the implied warranty of MERCHANTABILITY or
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;; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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;; for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GCC; see the file COPYING3.  If not see
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;; .
22 
 
23 
(define_automaton "z196_ipu")
24 
 
25 
;; Fetch + Decoder
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(define_cpu_unit "z196_g1" "z196_ipu")
27 
(define_cpu_unit "z196_g2" "z196_ipu")
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(define_cpu_unit "z196_g3" "z196_ipu")
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(define_cpu_unit "z196_cr1" "z196_ipu")
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(define_cpu_unit "z196_cr2" "z196_ipu")
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(define_cpu_unit "z196_cr3" "z196_ipu")
32 
 
33 
(final_presence_set "z196_g2" "z196_g1")
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(final_presence_set "z196_g3" "z196_g2")
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(final_presence_set "z196_cr2" "z196_cr1")
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(final_presence_set "z196_cr3" "z196_cr2")
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(exclusion_set "z196_g1" "z196_cr1")
38 
 
39 
;; Instructions can be groupable, end a group, or be alone in a group.
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(define_reservation "z196_simple" "( z196_g1 | z196_g2 | z196_g3 )")
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(define_reservation "z196_ends" "( z196_g3 | ( z196_g2 + z196_g3 ) | ( z196_g1 + z196_g2 + z196_g3 ) )")
42 
 
43 
;; Try to keep cracked and alone insns together in a clump.  This will also
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;; improve the clumping of "normal" insns.  We also allow crackes insns
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;; to go as a last instruction together with normal ones.
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(define_reservation "z196_crack"  "( z196_cr1 | z196_cr2 | z196_cr3 | z196_g3)")
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(define_reservation "z196_alone"  "( z196_cr1 | z196_cr2 | z196_cr3 )")
48 
 
49 
;; Most simple instruction a fast enough to be handled by OOO even with
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;; latency == 0.  This reduces life ranges and spilling. We want to increase
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;; life range for longer running ops, though, thats why we do not use
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;; -fno-schedule-insns.
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(define_insn_reservation "z196_simple_LSU" 0
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  (and (eq_attr "cpu" "z196")
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       (and (eq_attr "type" "load,store,lr")
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            (eq_attr "z196prop" "none")))
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  "z196_simple")
58 
 
59 
(define_insn_reservation "z196_simple_FXU" 0
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  (and (eq_attr "cpu" "z196")
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       (and (eq_attr "type" "integer,la,larl,other")
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            (and (eq_attr "z196prop" "none")
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                 (eq_attr "op_type" "RR"))))
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  "z196_simple")
65 
 
66 
(define_insn_reservation "z196_simple_DUAL" 0
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  (and (eq_attr "cpu" "z196")
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       (and (eq_attr "type" "integer,la,larl,other")
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            (and (eq_attr "z196prop" "none")
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                 (eq_attr "op_type" "!RR"))))
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  "z196_simple")
72 
 
73 
(define_insn_reservation "z196_cracked" 0
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  (and (eq_attr "cpu" "z196")
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       (and (eq_attr "type" "integer,la,larl,load,lr,store,other")
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            (eq_attr "z196prop" "z196_cracked")))
77 
  "z196_crack")
78 
 
79 
(define_insn_reservation "z196_alone" 0
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  (and (eq_attr "cpu" "z196")
81 
       (and (eq_attr "type" "integer,la,larl,load,lr,store,other")
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            (eq_attr "z196prop" "z196_alone")))
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  "z196_alone")
84 
 
85 
(define_insn_reservation "z196_ends" 0
86 
  (and (eq_attr "cpu" "z196")
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       (and (eq_attr "type" "integer,la,larl,load,lr,store,other")
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            (eq_attr "z196prop" "z196_ends")))
89 
  "z196_ends")
90 
 
91 
(define_insn_reservation "z196_branch" 0
92 
  (and (eq_attr "cpu" "z196")
93 
       (eq_attr "type" "branch"))
94 
  "z196_ends")
95 
 
96 
(define_insn_reservation "z196_call" 0
97 
  (and (eq_attr "cpu" "z196")
98 
       (eq_attr "type" "jsr"))
99 
  "z196_ends")
100 
 
101 
(define_insn_reservation "z196_mul_hi" 10
102 
  (and (eq_attr "cpu" "z196")
103 
       (eq_attr "type" "imulhi"))
104 
  "z196_simple")
105 
 
106 
(define_insn_reservation "z196_mul_si" 12
107 
  (and (eq_attr "cpu" "z196")
108 
       (eq_attr "type" "imulsi"))
109 
  "z196_simple")
110 
 
111 
(define_insn_reservation "z196_mul_di" 14
112 
  (and (eq_attr "cpu" "z196")
113 
       (eq_attr "type" "imuldi"))
114 
  "z196_simple")
115 
 
116 
(define_insn_reservation "z196_div" 73
117 
  (and (eq_attr "cpu" "z196")
118 
       (eq_attr "type" "idiv"))
119 
  "z196_alone")
120 
 
121 
(define_insn_reservation "z196_sem" 0
122 
  (and (eq_attr "cpu" "z196")
123 
       (eq_attr "type" "sem"))
124 
  "z196_crack")
125 
 
126 
(define_insn_reservation "z196_cs" 0
127 
  (and (eq_attr "cpu" "z196")
128 
       (eq_attr "type" "cs"))
129 
  "z196_crack")
130 
 
131 
(define_insn_reservation "z196_vs" 0
132 
  (and (eq_attr "cpu" "z196")
133 
       (eq_attr "type" "vs"))
134 
  "z196_alone")
135 
 
136 
(define_insn_reservation "z196_lm_stm" 0
137 
  (and (eq_attr "cpu" "z196")
138 
       (eq_attr "type" "stm,lm"))
139 
  "z196_crack")
140 
 
141 
 
142 
;;
143 
;; Binary Floating Point
144 
;;
145 
 
146 
(define_insn_reservation "z196_fsimptf" 18
147 
  (and (eq_attr "cpu" "z196")
148 
       (eq_attr "type" "fsimptf,fhex"))
149 
  "z196_alone")
150 
 
151 
(define_insn_reservation "z196_fmultf" 47
152 
  (and (eq_attr "cpu" "z196")
153 
       (eq_attr "type" "fmultf"))
154 
  "z196_alone")
155 
 
156 
(define_insn_reservation "z196_fsimpdf" 7
157 
  (and (eq_attr "cpu" "z196")
158 
       (eq_attr "type" "fsimpdf,fmuldf,fhex"))
159 
  "z196_simple")
160 
 
161 
(define_insn_reservation "z196_fmadddf" 7
162 
  (and (eq_attr "cpu" "z196")
163 
       (eq_attr "type" "fmadddf"))
164 
  "z196_alone")
165 
 
166 
(define_insn_reservation "z196_fsimpsf" 7
167 
  (and (eq_attr "cpu" "z196")
168 
       (eq_attr "type" "fsimpsf,fmulsf,fhex"))
169 
  "z196_simple")
170 
 
171 
(define_insn_reservation "z196_fmaddsf" 7
172 
  (and (eq_attr "cpu" "z196")
173 
       (eq_attr "type" "fmaddsf"))
174 
  "z196_alone")
175 
 
176 
(define_insn_reservation "z196_fdivtf" 108
177 
  (and (eq_attr "cpu" "z196")
178 
       (eq_attr "type" "fdivtf,fsqrttf"))
179 
  "z196_alone")
180 
 
181 
(define_insn_reservation "z196_fdivdf" 36
182 
  (and (eq_attr "cpu" "z196")
183 
       (eq_attr "type" "fdivdf,fsqrtdf"))
184 
  "z196_simple")
185 
 
186 
(define_insn_reservation "z196_fdivsf" 29
187 
  (and (eq_attr "cpu" "z196")
188 
       (eq_attr "type" "fdivsf,fsqrtsf"))
189 
  "z196_simple")
190 
 
191 
 
192 
;; Loads and stores are cheap as well.
193 
(define_insn_reservation "z196_floaddf" 0
194 
  (and (eq_attr "cpu" "z196")
195 
       (eq_attr "type" "floaddf"))
196 
  "z196_simple")
197 
 
198 
(define_insn_reservation "z196_floadsf" 0
199 
  (and (eq_attr "cpu" "z196")
200 
       (eq_attr "type" "floadsf"))
201 
  "z196_simple")
202 
 
203 
(define_insn_reservation "z196_fstoredf" 0
204 
  (and (eq_attr "cpu" "z196")
205 
       (eq_attr "type" "fstoredf"))
206 
  "z196_simple")
207 
 
208 
(define_insn_reservation "z196_fstoresf" 0
209 
  (and (eq_attr "cpu" "z196")
210 
       (eq_attr "type" "fstoresf"))
211 
  "z196_simple")
212 
 
213 
 
214 
(define_insn_reservation "z196_ftrunctf" 9
215 
  (and (eq_attr "cpu" "z196")
216 
       (eq_attr "type" "ftrunctf"))
217 
  "z196_simple")
218 
 
219 
(define_insn_reservation "z196_ftruncdf" 7
220 
  (and (eq_attr "cpu" "z196")
221 
       (eq_attr "type" "ftruncdf"))
222 
  "z196_simple")
223 
 
224 
 
225 
(define_insn_reservation "z196_ftoi" 7
226 
  (and (eq_attr "cpu" "z196")
227 
       (eq_attr "type" "ftoi"))
228 
  "z196_crack")
229 
 
230 
(define_insn_reservation "z196_itof" 7
231 
  (and (eq_attr "cpu" "z196")
232 
       (eq_attr "type" "itoftf,itofdf,itofsf"))
233 
  "z196_crack")
234 
 
235 
;;
236 
;; Decimal Floating Point
237 
;;
238 
 
239 
;; DDTR
240 
(define_insn_reservation "z196_fdivdd" 33
241 
  (and (eq_attr "cpu" "z196")
242 
       (eq_attr "type" "fdivdd"))
243 
  "z196_simple")
244 
 
245 
;; DXTR
246 
(define_insn_reservation "z196_fdivtd" 35
247 
  (and (eq_attr "cpu" "z196")
248 
       (eq_attr "type" "fdivtd"))
249 
  "z196_alone")
250 
 
251 
;; LEDTR
252 
(define_insn_reservation "z196_ftruncsd" 34
253 
  (and (eq_attr "cpu" "z196")
254 
       (eq_attr "type" "ftruncsd"))
255 
  "z196_simple")
256 
 
257 
;; LDXTR
258 
(define_insn_reservation "z196_ftruncdd" 36
259 
  (and (eq_attr "cpu" "z196")
260 
       (eq_attr "type" "ftruncdd"))
261 
  "z196_simple")
262 
 
263 
;; These are normal fp loads/stores - which are cheap.
264 
(define_insn_reservation "z196_floadsddd" 0
265 
  (and (eq_attr "cpu" "z196")
266 
       (eq_attr "type" "floadsd,floaddd,fstoredd,fstoresd"))
267 
  "z196_simple")
268 
 
269 
;; MDTR
270 
(define_insn_reservation "z196_fmuldd" 23
271 
  (and (eq_attr "cpu" "z196")
272 
       (eq_attr "type" "fmuldd"))
273 
  "z196_simple")
274 
 
275 
;; MXTR
276 
(define_insn_reservation "z196_fmultd" 25
277 
  (and (eq_attr "cpu" "z196")
278 
       (eq_attr "type" "fmultd"))
279 
  "z196_alone")
280 
 
281 
;; multiple different isns like add, sub etc.
282 
;; Just use the same defaults as z10.
283 
(define_insn_reservation "z196_fsimpsd" 17
284 
  (and (eq_attr "cpu" "z196")
285 
       (eq_attr "type" "fsimpsd"))
286 
  "z196_simple")
287 
(define_insn_reservation "z196_fsimpdd" 17
288 
  (and (eq_attr "cpu" "z196")
289 
       (eq_attr "type" "fsimpdd"))
290 
  "z196_simple")
291 
(define_insn_reservation "z196_fsimptd" 18
292 
  (and (eq_attr "cpu" "z196")
293 
       (eq_attr "type" "fsimptd"))
294 
  "z196_alone")
295 
 
296 
;; CDGTR
297 
(define_insn_reservation "z196_itofdd" 45
298 
  (and (eq_attr "cpu" "z196")
299 
       (eq_attr "type" "itofdd"))
300 
  "z196_crack")
301 
 
302 
;; CXGTR
303 
(define_insn_reservation "z196_itoftd" 33
304 
  (and (eq_attr "cpu" "z196")
305 
       (eq_attr "type" "itoftd"))
306 
  "z196_crack")
307 
 
308 
;; CGXTR, CGDTR
309 
(define_insn_reservation "z196_ftoidfp" 33
310 
  (and (eq_attr "cpu" "z196")
311 
       (eq_attr "type" "ftoidfp"))
312 
  "z196_crack")
313 
 
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