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1 709 jeremybenn
;; Scheduling description for PowerPC 604, PowerPC 604e, PowerPC 620,
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;; and PowerPC 630 processors.
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;;   Copyright (C) 2003, 2004, 2007, 2009 Free Software Foundation, Inc.
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;;
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;; This file is part of GCC.
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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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;; 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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;; 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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(define_automaton "ppc6xx,ppc6xxfp,ppc6xxfp2")
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(define_cpu_unit "iu1_6xx,iu2_6xx,mciu_6xx" "ppc6xx")
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(define_cpu_unit "fpu_6xx" "ppc6xxfp")
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(define_cpu_unit "fpu1_6xx,fpu2_6xx" "ppc6xxfp2")
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(define_cpu_unit "lsu_6xx,bpu_6xx,cru_6xx" "ppc6xx")
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27
;; PPC604  32-bit 2xSCIU, MCIU, LSU, FPU, BPU
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;; PPC604e  32-bit 2xSCIU, MCIU, LSU, FPU, BPU, CRU
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;; MCIU used for imul/idiv and moves from/to spr
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;; LSU 2 stage pipelined
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;; FPU 3 stage pipelined
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;; Max issue 4 insns/clock cycle
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;; PPC604e is PPC604 with larger caches and a CRU.  In the 604
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;; the CR logical operations are handled in the BPU.
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;; In the 604e, the CRU shares bus with BPU so only one condition
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;; register or branch insn can be issued per clock.  Not modelled.
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;; PPC620  64-bit 2xSCIU, MCIU, LSU, FPU, BPU, CRU
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;; PPC630 64-bit 2xSCIU, MCIU, LSU, 2xFPU, BPU, CRU
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;; Max issue 4 insns/clock cycle
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;; Out-of-order execution, in-order completion
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;; No following instruction can dispatch in the same cycle as a branch
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;; instruction.  Not modelled.  This is no problem if RCSP is not
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;; enabled since the scheduler stops a schedule when it gets to a branch.
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;; Four insns can be dispatched per cycle.
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(define_insn_reservation "ppc604-load" 2
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  (and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,load_ux,load_u")
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       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
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  "lsu_6xx")
54
 
55
(define_insn_reservation "ppc604-fpload" 3
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  (and (eq_attr "type" "fpload,fpload_ux,fpload_u")
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       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
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  "lsu_6xx")
59
 
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(define_insn_reservation "ppc604-store" 3
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  (and (eq_attr "type" "store,fpstore,store_ux,store_u,fpstore_ux,fpstore_u")
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       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
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  "lsu_6xx")
64
 
65
(define_insn_reservation "ppc604-llsc" 3
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  (and (eq_attr "type" "load_l,store_c")
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       (eq_attr "cpu" "ppc604,ppc604e"))
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  "lsu_6xx")
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(define_insn_reservation "ppc630-llsc" 4
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  (and (eq_attr "type" "load_l,store_c")
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       (eq_attr "cpu" "ppc620,ppc630"))
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  "lsu_6xx")
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75
(define_insn_reservation "ppc604-integer" 1
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  (and (eq_attr "type" "integer,insert_word,insert_dword,shift,trap,\
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                        var_shift_rotate,cntlz,exts,isel")
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       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
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  "iu1_6xx|iu2_6xx")
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81
(define_insn_reservation "ppc604-two" 1
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  (and (eq_attr "type" "two")
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       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
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  "iu1_6xx|iu2_6xx,iu1_6xx|iu2_6xx")
85
 
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(define_insn_reservation "ppc604-three" 1
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  (and (eq_attr "type" "three")
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       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
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  "iu1_6xx|iu2_6xx,iu1_6xx|iu2_6xx,iu1_6xx|iu2_6xx")
90
 
91
(define_insn_reservation "ppc604-imul" 4
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  (and (eq_attr "type" "imul,imul2,imul3,imul_compare")
93
       (eq_attr "cpu" "ppc604"))
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  "mciu_6xx*2")
95
 
96
(define_insn_reservation "ppc604e-imul" 2
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  (and (eq_attr "type" "imul,imul2,imul3,imul_compare")
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       (eq_attr "cpu" "ppc604e"))
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  "mciu_6xx")
100
 
101
(define_insn_reservation "ppc620-imul" 5
102
  (and (eq_attr "type" "imul,imul_compare")
103
       (eq_attr "cpu" "ppc620,ppc630"))
104
  "mciu_6xx*3")
105
 
106
(define_insn_reservation "ppc620-imul2" 4
107
  (and (eq_attr "type" "imul2")
108
       (eq_attr "cpu" "ppc620,ppc630"))
109
  "mciu_6xx*3")
110
 
111
(define_insn_reservation "ppc620-imul3" 3
112
  (and (eq_attr "type" "imul3")
113
       (eq_attr "cpu" "ppc620,ppc630"))
114
  "mciu_6xx*3")
115
 
116
(define_insn_reservation "ppc620-lmul" 7
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  (and (eq_attr "type" "lmul,lmul_compare")
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       (eq_attr "cpu" "ppc620,ppc630"))
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  "mciu_6xx*5")
120
 
121
(define_insn_reservation "ppc604-idiv" 20
122
  (and (eq_attr "type" "idiv")
123
       (eq_attr "cpu" "ppc604,ppc604e"))
124
  "mciu_6xx*19")
125
 
126
(define_insn_reservation "ppc620-idiv" 37
127
  (and (eq_attr "type" "idiv")
128
       (eq_attr "cpu" "ppc620"))
129
  "mciu_6xx*36")
130
 
131
(define_insn_reservation "ppc630-idiv" 21
132
  (and (eq_attr "type" "idiv")
133
       (eq_attr "cpu" "ppc630"))
134
  "mciu_6xx*20")
135
 
136
(define_insn_reservation "ppc620-ldiv" 37
137
  (and (eq_attr "type" "ldiv")
138
       (eq_attr "cpu" "ppc620,ppc630"))
139
  "mciu_6xx*36")
140
 
141
(define_insn_reservation "ppc604-compare" 3
142
  (and (eq_attr "type" "cmp,fast_compare,compare,delayed_compare,\
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                        var_delayed_compare")
144
       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
145
  "(iu1_6xx|iu2_6xx)")
146
 
147
; FPU PPC604{,e},PPC620
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(define_insn_reservation "ppc604-fpcompare" 5
149
  (and (eq_attr "type" "fpcompare")
150
       (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
151
  "fpu_6xx")
152
 
153
(define_insn_reservation "ppc604-fp" 3
154
  (and (eq_attr "type" "fp")
155
       (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
156
  "fpu_6xx")
157
 
158
(define_insn_reservation "ppc604-dmul" 3
159
  (and (eq_attr "type" "dmul")
160
       (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
161
  "fpu_6xx")
162
 
163
; Divides are not pipelined
164
(define_insn_reservation "ppc604-sdiv" 18
165
  (and (eq_attr "type" "sdiv")
166
       (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
167
  "fpu_6xx*18")
168
 
169
(define_insn_reservation "ppc604-ddiv" 32
170
  (and (eq_attr "type" "ddiv")
171
       (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
172
  "fpu_6xx*32")
173
 
174
(define_insn_reservation "ppc620-ssqrt" 31
175
  (and (eq_attr "type" "ssqrt")
176
       (eq_attr "cpu" "ppc620"))
177
  "fpu_6xx*31")
178
 
179
(define_insn_reservation "ppc620-dsqrt" 31
180
  (and (eq_attr "type" "dsqrt")
181
       (eq_attr "cpu" "ppc620"))
182
  "fpu_6xx*31")
183
 
184
 
185
; 2xFPU PPC630
186
(define_insn_reservation "ppc630-fpcompare" 5
187
  (and (eq_attr "type" "fpcompare")
188
       (eq_attr "cpu" "ppc630"))
189
  "fpu1_6xx|fpu2_6xx")
190
 
191
(define_insn_reservation "ppc630-fp" 3
192
  (and (eq_attr "type" "fp,dmul")
193
       (eq_attr "cpu" "ppc630"))
194
  "fpu1_6xx|fpu2_6xx")
195
 
196
(define_insn_reservation "ppc630-sdiv" 17
197
  (and (eq_attr "type" "sdiv")
198
       (eq_attr "cpu" "ppc630"))
199
  "fpu1_6xx*17|fpu2_6xx*17")
200
 
201
(define_insn_reservation "ppc630-ddiv" 21
202
  (and (eq_attr "type" "ddiv")
203
       (eq_attr "cpu" "ppc630"))
204
  "fpu1_6xx*21|fpu2_6xx*21")
205
 
206
(define_insn_reservation "ppc630-ssqrt" 18
207
  (and (eq_attr "type" "ssqrt")
208
       (eq_attr "cpu" "ppc630"))
209
  "fpu1_6xx*18|fpu2_6xx*18")
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211
(define_insn_reservation "ppc630-dsqrt" 25
212
  (and (eq_attr "type" "dsqrt")
213
       (eq_attr "cpu" "ppc630"))
214
  "fpu1_6xx*25|fpu2_6xx*25")
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216
(define_insn_reservation "ppc604-mfcr" 3
217
  (and (eq_attr "type" "mfcr")
218
       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
219
  "mciu_6xx")
220
 
221
(define_insn_reservation "ppc604-mtcr" 2
222
  (and (eq_attr "type" "mtcr")
223
       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
224
  "iu1_6xx|iu2_6xx")
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226
(define_insn_reservation "ppc604-crlogical" 2
227
  (and (eq_attr "type" "cr_logical,delayed_cr")
228
       (eq_attr "cpu" "ppc604"))
229
  "bpu_6xx")
230
 
231
(define_insn_reservation "ppc604e-crlogical" 2
232
  (and (eq_attr "type" "cr_logical,delayed_cr")
233
       (eq_attr "cpu" "ppc604e,ppc620,ppc630"))
234
  "cru_6xx")
235
 
236
(define_insn_reservation "ppc604-mtjmpr" 2
237
  (and (eq_attr "type" "mtjmpr")
238
       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
239
  "mciu_6xx")
240
 
241
(define_insn_reservation "ppc604-mfjmpr" 3
242
  (and (eq_attr "type" "mfjmpr")
243
       (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
244
  "mciu_6xx")
245
 
246
(define_insn_reservation "ppc630-mfjmpr" 2
247
  (and (eq_attr "type" "mfjmpr")
248
       (eq_attr "cpu" "ppc630"))
249
  "mciu_6xx")
250
 
251
(define_insn_reservation "ppc604-jmpreg" 1
252
  (and (eq_attr "type" "jmpreg,branch")
253
       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
254
  "bpu_6xx")
255
 
256
(define_insn_reservation "ppc604-isync" 0
257
  (and (eq_attr "type" "isync")
258
       (eq_attr "cpu" "ppc604,ppc604e"))
259
  "bpu_6xx")
260
 
261
(define_insn_reservation "ppc630-isync" 6
262
  (and (eq_attr "type" "isync")
263
       (eq_attr "cpu" "ppc620,ppc630"))
264
  "bpu_6xx")
265
 
266
(define_insn_reservation "ppc604-sync" 35
267
  (and (eq_attr "type" "sync")
268
       (eq_attr "cpu" "ppc604,ppc604e"))
269
  "lsu_6xx")
270
 
271
(define_insn_reservation "ppc630-sync" 26
272
  (and (eq_attr "type" "sync")
273
       (eq_attr "cpu" "ppc620,ppc630"))
274
  "lsu_6xx")
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