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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [rs6000/] [power7.md] - Blame information for rev 461

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1 282 jeremybenn 
;; Scheduling description for IBM POWER7 processor.
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;; Copyright (C) 2009 Free Software Foundation, Inc.
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;;
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;; Contributed by Pat Haugen (pthaugen@us.ibm.com).
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;; This file is part of GCC.
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;;
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;; GCC is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published
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;; by the Free Software Foundation; either version 3, or (at your
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;; option) any later version.
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;;
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;; GCC is distributed in the hope that it will be useful, but WITHOUT
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
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;; License for more details.
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;;
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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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;; .
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22 
(define_automaton "power7iu,power7lsu,power7vsu,power7misc")
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24 
(define_cpu_unit "iu1_power7,iu2_power7" "power7iu")
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(define_cpu_unit "lsu1_power7,lsu2_power7" "power7lsu")
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(define_cpu_unit "vsu1_power7,vsu2_power7" "power7vsu")
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(define_cpu_unit "bpu_power7,cru_power7" "power7misc")
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(define_cpu_unit "du1_power7,du2_power7,du3_power7,du4_power7,du5_power7"
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                 "power7misc")
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31 
 
32 
(define_reservation "DU_power7"
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                    "du1_power7|du2_power7|du3_power7|du4_power7")
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35 
(define_reservation "DU2F_power7"
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                    "du1_power7+du2_power7")
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38 
(define_reservation "DU4_power7"
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                    "du1_power7+du2_power7+du3_power7+du4_power7")
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41 
(define_reservation "FXU_power7"
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                    "iu1_power7|iu2_power7")
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44 
(define_reservation "VSU_power7"
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                    "vsu1_power7|vsu2_power7")
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47 
(define_reservation "LSU_power7"
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                    "lsu1_power7|lsu2_power7")
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50 
 
51 
; Dispatch slots are allocated in order conforming to program order.
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(absence_set "du1_power7" "du2_power7,du3_power7,du4_power7,du5_power7")
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(absence_set "du2_power7" "du3_power7,du4_power7,du5_power7")
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(absence_set "du3_power7" "du4_power7,du5_power7")
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(absence_set "du4_power7" "du5_power7")
56 
 
57 
 
58 
; LS Unit
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(define_insn_reservation "power7-load" 2
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  (and (eq_attr "type" "load")
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       (eq_attr "cpu" "power7"))
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  "DU_power7,LSU_power7")
63 
 
64 
(define_insn_reservation "power7-load-ext" 3
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  (and (eq_attr "type" "load_ext")
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       (eq_attr "cpu" "power7"))
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  "DU2F_power7,LSU_power7,FXU_power7")
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69 
(define_insn_reservation "power7-load-update" 2
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  (and (eq_attr "type" "load_u")
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       (eq_attr "cpu" "power7"))
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  "DU2F_power7,LSU_power7+FXU_power7")
73 
 
74 
(define_insn_reservation "power7-load-update-indexed" 3
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  (and (eq_attr "type" "load_ux")
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       (eq_attr "cpu" "power7"))
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  "DU4_power7,FXU_power7,LSU_power7+FXU_power7")
78 
 
79 
(define_insn_reservation "power7-load-ext-update" 4
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  (and (eq_attr "type" "load_ext_u")
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       (eq_attr "cpu" "power7"))
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  "DU2F_power7,LSU_power7+FXU_power7,FXU_power7")
83 
 
84 
(define_insn_reservation "power7-load-ext-update-indexed" 4
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  (and (eq_attr "type" "load_ext_ux")
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       (eq_attr "cpu" "power7"))
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  "DU4_power7,FXU_power7,LSU_power7+FXU_power7,FXU_power7")
88 
 
89 
(define_insn_reservation "power7-fpload" 3
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  (and (eq_attr "type" "fpload")
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       (eq_attr "cpu" "power7"))
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  "DU_power7,LSU_power7")
93 
 
94 
(define_insn_reservation "power7-fpload-update" 3
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  (and (eq_attr "type" "fpload_u,fpload_ux")
96 
       (eq_attr "cpu" "power7"))
97 
  "DU2F_power7,LSU_power7+FXU_power7")
98 
 
99 
(define_insn_reservation "power7-store" 6 ; store-forwarding latency
100 
  (and (eq_attr "type" "store")
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       (eq_attr "cpu" "power7"))
102 
  "DU_power7,LSU_power7+FXU_power7")
103 
 
104 
(define_insn_reservation "power7-store-update" 6
105 
  (and (eq_attr "type" "store_u")
106 
       (eq_attr "cpu" "power7"))
107 
  "DU2F_power7,LSU_power7+FXU_power7,FXU_power7")
108 
 
109 
(define_insn_reservation "power7-store-update-indexed" 6
110 
  (and (eq_attr "type" "store_ux")
111 
       (eq_attr "cpu" "power7"))
112 
  "DU4_power7,LSU_power7+FXU_power7,FXU_power7")
113 
 
114 
(define_insn_reservation "power7-fpstore" 6
115 
  (and (eq_attr "type" "fpstore")
116 
       (eq_attr "cpu" "power7"))
117 
  "DU_power7,LSU_power7+VSU_power7")
118 
 
119 
(define_insn_reservation "power7-fpstore-update" 6
120 
  (and (eq_attr "type" "fpstore_u,fpstore_ux")
121 
       (eq_attr "cpu" "power7"))
122 
  "DU_power7,LSU_power7+VSU_power7+FXU_power7")
123 
 
124 
(define_insn_reservation "power7-larx" 3
125 
  (and (eq_attr "type" "load_l")
126 
       (eq_attr "cpu" "power7"))
127 
  "DU4_power7,LSU_power7")
128 
 
129 
(define_insn_reservation "power7-stcx" 10
130 
  (and (eq_attr "type" "store_c")
131 
       (eq_attr "cpu" "power7"))
132 
  "DU4_power7,LSU_power7")
133 
 
134 
(define_insn_reservation "power7-vecload" 3
135 
  (and (eq_attr "type" "vecload")
136 
       (eq_attr "cpu" "power7"))
137 
  "DU_power7,LSU_power7")
138 
 
139 
(define_insn_reservation "power7-vecstore" 6
140 
  (and (eq_attr "type" "vecstore")
141 
       (eq_attr "cpu" "power7"))
142 
  "DU_power7,LSU_power7+VSU_power7")
143 
 
144 
(define_insn_reservation "power7-sync" 11
145 
  (and (eq_attr "type" "sync")
146 
       (eq_attr "cpu" "power7"))
147 
  "DU4_power7,LSU_power7")
148 
 
149 
 
150 
; FX Unit
151 
(define_insn_reservation "power7-integer" 1
152 
  (and (eq_attr "type" "integer,insert_word,insert_dword,shift,trap,\
153 
                        var_shift_rotate,exts,isel")
154 
       (eq_attr "cpu" "power7"))
155 
  "DU_power7,FXU_power7")
156 
 
157 
(define_insn_reservation "power7-cntlz" 2
158 
  (and (eq_attr "type" "cntlz")
159 
       (eq_attr "cpu" "power7"))
160 
  "DU_power7,FXU_power7")
161 
 
162 
(define_insn_reservation "power7-two" 2
163 
  (and (eq_attr "type" "two")
164 
       (eq_attr "cpu" "power7"))
165 
  "DU_power7+DU_power7,FXU_power7,FXU_power7")
166 
 
167 
(define_insn_reservation "power7-three" 3
168 
  (and (eq_attr "type" "three")
169 
       (eq_attr "cpu" "power7"))
170 
  "DU_power7+DU_power7+DU_power7,FXU_power7,FXU_power7,FXU_power7")
171 
 
172 
(define_insn_reservation "power7-cmp" 1
173 
  (and (eq_attr "type" "cmp,fast_compare")
174 
       (eq_attr "cpu" "power7"))
175 
  "DU_power7,FXU_power7")
176 
 
177 
(define_insn_reservation "power7-compare" 2
178 
  (and (eq_attr "type" "compare,delayed_compare,var_delayed_compare")
179 
       (eq_attr "cpu" "power7"))
180 
  "DU2F_power7,FXU_power7,FXU_power7")
181 
 
182 
(define_bypass 3 "power7-cmp,power7-compare" "power7-crlogical,power7-delayedcr")
183 
 
184 
(define_insn_reservation "power7-mul" 4
185 
  (and (eq_attr "type" "imul,imul2,imul3,lmul")
186 
       (eq_attr "cpu" "power7"))
187 
  "DU_power7,FXU_power7")
188 
 
189 
(define_insn_reservation "power7-mul-compare" 5
190 
  (and (eq_attr "type" "imul_compare,lmul_compare")
191 
       (eq_attr "cpu" "power7"))
192 
  "DU2F_power7,FXU_power7,nothing*3,FXU_power7")
193 
 
194 
(define_insn_reservation "power7-idiv" 36
195 
  (and (eq_attr "type" "idiv")
196 
       (eq_attr "cpu" "power7"))
197 
  "DU2F_power7,iu1_power7*36|iu2_power7*36")
198 
 
199 
(define_insn_reservation "power7-ldiv" 68
200 
  (and (eq_attr "type" "ldiv")
201 
       (eq_attr "cpu" "power7"))
202 
  "DU2F_power7,iu1_power7*68|iu2_power7*68")
203 
 
204 
(define_insn_reservation "power7-isync" 1 ;
205 
  (and (eq_attr "type" "isync")
206 
       (eq_attr "cpu" "power7"))
207 
  "DU4_power7,FXU_power7")
208 
 
209 
 
210 
; CR Unit
211 
(define_insn_reservation "power7-mtjmpr" 4
212 
  (and (eq_attr "type" "mtjmpr")
213 
       (eq_attr "cpu" "power7"))
214 
  "du1_power7,FXU_power7")
215 
 
216 
(define_insn_reservation "power7-mfjmpr" 5
217 
  (and (eq_attr "type" "mfjmpr")
218 
       (eq_attr "cpu" "power7"))
219 
  "du1_power7,cru_power7+FXU_power7")
220 
 
221 
(define_insn_reservation "power7-crlogical" 3
222 
  (and (eq_attr "type" "cr_logical")
223 
       (eq_attr "cpu" "power7"))
224 
  "du1_power7,cru_power7")
225 
 
226 
(define_insn_reservation "power7-delayedcr" 3
227 
  (and (eq_attr "type" "delayed_cr")
228 
       (eq_attr "cpu" "power7"))
229 
  "du1_power7,cru_power7")
230 
 
231 
(define_insn_reservation "power7-mfcr" 6
232 
  (and (eq_attr "type" "mfcr")
233 
       (eq_attr "cpu" "power7"))
234 
  "du1_power7,cru_power7")
235 
 
236 
(define_insn_reservation "power7-mfcrf" 3
237 
  (and (eq_attr "type" "mfcrf")
238 
       (eq_attr "cpu" "power7"))
239 
  "du1_power7,cru_power7")
240 
 
241 
(define_insn_reservation "power7-mtcr" 3
242 
  (and (eq_attr "type" "mtcr")
243 
       (eq_attr "cpu" "power7"))
244 
  "DU4_power7,cru_power7+FXU_power7")
245 
 
246 
 
247 
; BR Unit
248 
; Branches take dispatch Slot 4.  The presence_sets prevent other insn from
249 
; grabbing previous dispatch slots once this is assigned.
250 
(define_insn_reservation "power7-branch" 3
251 
  (and (eq_attr "type" "jmpreg,branch")
252 
       (eq_attr "cpu" "power7"))
253 
  "(du5_power7\
254 
   |du4_power7+du5_power7\
255 
   |du3_power7+du4_power7+du5_power7\
256 
   |du2_power7+du3_power7+du4_power7+du5_power7\
257 
   |du1_power7+du2_power7+du3_power7+du4_power7+du5_power7),bpu_power7")
258 
 
259 
 
260 
; VS Unit (includes FP/VSX/VMX/DFP)
261 
(define_insn_reservation "power7-fp" 6
262 
  (and (eq_attr "type" "fp,dmul")
263 
       (eq_attr "cpu" "power7"))
264 
  "DU_power7,VSU_power7")
265 
 
266 
(define_bypass 8 "power7-fp" "power7-branch")
267 
 
268 
(define_insn_reservation "power7-fpcompare" 4
269 
  (and (eq_attr "type" "fpcompare")
270 
       (eq_attr "cpu" "power7"))
271 
  "DU_power7,VSU_power7")
272 
 
273 
(define_insn_reservation "power7-sdiv" 26
274 
  (and (eq_attr "type" "sdiv")
275 
       (eq_attr "cpu" "power7"))
276 
  "DU_power7,VSU_power7")
277 
 
278 
(define_insn_reservation "power7-ddiv" 32
279 
  (and (eq_attr "type" "ddiv")
280 
       (eq_attr "cpu" "power7"))
281 
  "DU_power7,VSU_power7")
282 
 
283 
(define_insn_reservation "power7-sqrt" 31
284 
  (and (eq_attr "type" "ssqrt")
285 
       (eq_attr "cpu" "power7"))
286 
  "DU_power7,VSU_power7")
287 
 
288 
(define_insn_reservation "power7-dsqrt" 43
289 
  (and (eq_attr "type" "dsqrt")
290 
       (eq_attr "cpu" "power7"))
291 
  "DU_power7,VSU_power7")
292 
 
293 
(define_insn_reservation "power7-vecsimple" 2
294 
  (and (eq_attr "type" "vecsimple")
295 
       (eq_attr "cpu" "power7"))
296 
  "du1_power7,VSU_power7")
297 
 
298 
(define_insn_reservation "power7-veccmp" 7
299 
  (and (eq_attr "type" "veccmp")
300 
       (eq_attr "cpu" "power7"))
301 
  "du1_power7,VSU_power7")
302 
 
303 
(define_insn_reservation "power7-vecfloat" 7
304 
  (and (eq_attr "type" "vecfloat")
305 
       (eq_attr "cpu" "power7"))
306 
  "du1_power7,VSU_power7")
307 
 
308 
(define_bypass 6 "power7-vecfloat" "power7-vecfloat")
309 
 
310 
(define_insn_reservation "power7-veccomplex" 7
311 
  (and (eq_attr "type" "veccomplex")
312 
       (eq_attr "cpu" "power7"))
313 
  "du1_power7,VSU_power7")
314 
 
315 
(define_insn_reservation "power7-vecperm" 3
316 
  (and (eq_attr "type" "vecperm")
317 
       (eq_attr "cpu" "power7"))
318 
  "du2_power7,VSU_power7")

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