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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [config/] [rs6000/] [6xx.md] - Blame information for rev 816

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;; 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 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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12
;; 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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21
(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")
26
 
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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39
;; 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
43
 
44
;; 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.
47
 
48
;; Four insns can be dispatched per cycle.
49
 
50
(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
 
60
(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")
69
 
70
(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")
74
 
75
(define_insn_reservation "ppc604-integer" 1
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  (and (eq_attr "type" "integer,insert_word")
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       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
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  "iu1_6xx|iu2_6xx")
79
 
80
(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")
84
 
85
(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")
89
 
90
(define_insn_reservation "ppc604-imul" 4
91
  (and (eq_attr "type" "imul,imul2,imul3,imul_compare")
92
       (eq_attr "cpu" "ppc604"))
93
  "mciu_6xx*2")
94
 
95
(define_insn_reservation "ppc604e-imul" 2
96
  (and (eq_attr "type" "imul,imul2,imul3,imul_compare")
97
       (eq_attr "cpu" "ppc604e"))
98
  "mciu_6xx")
99
 
100
(define_insn_reservation "ppc620-imul" 5
101
  (and (eq_attr "type" "imul,imul_compare")
102
       (eq_attr "cpu" "ppc620,ppc630"))
103
  "mciu_6xx*3")
104
 
105
(define_insn_reservation "ppc620-imul2" 4
106
  (and (eq_attr "type" "imul2")
107
       (eq_attr "cpu" "ppc620,ppc630"))
108
  "mciu_6xx*3")
109
 
110
(define_insn_reservation "ppc620-imul3" 3
111
  (and (eq_attr "type" "imul3")
112
       (eq_attr "cpu" "ppc620,ppc630"))
113
  "mciu_6xx*3")
114
 
115
(define_insn_reservation "ppc620-lmul" 7
116
  (and (eq_attr "type" "lmul,lmul_compare")
117
       (eq_attr "cpu" "ppc620,ppc630"))
118
  "mciu_6xx*5")
119
 
120
(define_insn_reservation "ppc604-idiv" 20
121
  (and (eq_attr "type" "idiv")
122
       (eq_attr "cpu" "ppc604,ppc604e"))
123
  "mciu_6xx*19")
124
 
125
(define_insn_reservation "ppc620-idiv" 37
126
  (and (eq_attr "type" "idiv")
127
       (eq_attr "cpu" "ppc620"))
128
  "mciu_6xx*36")
129
 
130
(define_insn_reservation "ppc630-idiv" 21
131
  (and (eq_attr "type" "idiv")
132
       (eq_attr "cpu" "ppc630"))
133
  "mciu_6xx*20")
134
 
135
(define_insn_reservation "ppc620-ldiv" 37
136
  (and (eq_attr "type" "ldiv")
137
       (eq_attr "cpu" "ppc620,ppc630"))
138
  "mciu_6xx*36")
139
 
140
(define_insn_reservation "ppc604-compare" 3
141
  (and (eq_attr "type" "cmp,fast_compare,compare,delayed_compare")
142
       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
143
  "(iu1_6xx|iu2_6xx)")
144
 
145
; FPU PPC604{,e},PPC620
146
(define_insn_reservation "ppc604-fpcompare" 5
147
  (and (eq_attr "type" "fpcompare")
148
       (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
149
  "fpu_6xx")
150
 
151
(define_insn_reservation "ppc604-fp" 3
152
  (and (eq_attr "type" "fp")
153
       (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
154
  "fpu_6xx")
155
 
156
(define_insn_reservation "ppc604-dmul" 3
157
  (and (eq_attr "type" "dmul")
158
       (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
159
  "fpu_6xx")
160
 
161
; Divides are not pipelined
162
(define_insn_reservation "ppc604-sdiv" 18
163
  (and (eq_attr "type" "sdiv")
164
       (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
165
  "fpu_6xx*18")
166
 
167
(define_insn_reservation "ppc604-ddiv" 32
168
  (and (eq_attr "type" "ddiv")
169
       (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
170
  "fpu_6xx*32")
171
 
172
(define_insn_reservation "ppc620-ssqrt" 31
173
  (and (eq_attr "type" "ssqrt")
174
       (eq_attr "cpu" "ppc620"))
175
  "fpu_6xx*31")
176
 
177
(define_insn_reservation "ppc620-dsqrt" 31
178
  (and (eq_attr "type" "dsqrt")
179
       (eq_attr "cpu" "ppc620"))
180
  "fpu_6xx*31")
181
 
182
 
183
; 2xFPU PPC630
184
(define_insn_reservation "ppc630-fpcompare" 5
185
  (and (eq_attr "type" "fpcompare")
186
       (eq_attr "cpu" "ppc630"))
187
  "fpu1_6xx|fpu2_6xx")
188
 
189
(define_insn_reservation "ppc630-fp" 3
190
  (and (eq_attr "type" "fp,dmul")
191
       (eq_attr "cpu" "ppc630"))
192
  "fpu1_6xx|fpu2_6xx")
193
 
194
(define_insn_reservation "ppc630-sdiv" 17
195
  (and (eq_attr "type" "sdiv")
196
       (eq_attr "cpu" "ppc630"))
197
  "fpu1_6xx*17|fpu2_6xx*17")
198
 
199
(define_insn_reservation "ppc630-ddiv" 21
200
  (and (eq_attr "type" "ddiv")
201
       (eq_attr "cpu" "ppc630"))
202
  "fpu1_6xx*21|fpu2_6xx*21")
203
 
204
(define_insn_reservation "ppc630-ssqrt" 18
205
  (and (eq_attr "type" "ssqrt")
206
       (eq_attr "cpu" "ppc630"))
207
  "fpu1_6xx*18|fpu2_6xx*18")
208
 
209
(define_insn_reservation "ppc630-dsqrt" 25
210
  (and (eq_attr "type" "dsqrt")
211
       (eq_attr "cpu" "ppc630"))
212
  "fpu1_6xx*25|fpu2_6xx*25")
213
 
214
(define_insn_reservation "ppc604-mfcr" 3
215
  (and (eq_attr "type" "mfcr")
216
       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
217
  "mciu_6xx")
218
 
219
(define_insn_reservation "ppc604-mtcr" 2
220
  (and (eq_attr "type" "mtcr")
221
       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
222
  "iu1_6xx|iu2_6xx")
223
 
224
(define_insn_reservation "ppc604-crlogical" 2
225
  (and (eq_attr "type" "cr_logical,delayed_cr")
226
       (eq_attr "cpu" "ppc604"))
227
  "bpu_6xx")
228
 
229
(define_insn_reservation "ppc604e-crlogical" 2
230
  (and (eq_attr "type" "cr_logical,delayed_cr")
231
       (eq_attr "cpu" "ppc604e,ppc620,ppc630"))
232
  "cru_6xx")
233
 
234
(define_insn_reservation "ppc604-mtjmpr" 2
235
  (and (eq_attr "type" "mtjmpr")
236
       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
237
  "mciu_6xx")
238
 
239
(define_insn_reservation "ppc604-mfjmpr" 3
240
  (and (eq_attr "type" "mfjmpr")
241
       (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
242
  "mciu_6xx")
243
 
244
(define_insn_reservation "ppc630-mfjmpr" 2
245
  (and (eq_attr "type" "mfjmpr")
246
       (eq_attr "cpu" "ppc630"))
247
  "mciu_6xx")
248
 
249
(define_insn_reservation "ppc604-jmpreg" 1
250
  (and (eq_attr "type" "jmpreg,branch")
251
       (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
252
  "bpu_6xx")
253
 
254
(define_insn_reservation "ppc604-isync" 0
255
  (and (eq_attr "type" "isync")
256
       (eq_attr "cpu" "ppc604,ppc604e"))
257
  "bpu_6xx")
258
 
259
(define_insn_reservation "ppc630-isync" 6
260
  (and (eq_attr "type" "isync")
261
       (eq_attr "cpu" "ppc620,ppc630"))
262
  "bpu_6xx")
263
 
264
(define_insn_reservation "ppc604-sync" 35
265
  (and (eq_attr "type" "sync")
266
       (eq_attr "cpu" "ppc604,ppc604e"))
267
  "lsu_6xx")
268
 
269
(define_insn_reservation "ppc630-sync" 26
270
  (and (eq_attr "type" "sync")
271
       (eq_attr "cpu" "ppc620,ppc630"))
272
  "lsu_6xx")
273
 

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