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1;; Scheduling description for PowerPC 604, PowerPC 604e, PowerPC 620,
2;; and PowerPC 630 processors.
5624e564 3;; Copyright (C) 2003-2015 Free Software Foundation, Inc.
aac77ea5 4;;
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5;; This file is part of GCC.
6
7;; GCC is free software; you can redistribute it and/or modify it
8;; under the terms of the GNU General Public License as published
2f83c7d6 9;; by the Free Software Foundation; either version 3, or (at your
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10;; option) any later version.
11
12;; GCC is distributed in the hope that it will be useful, but WITHOUT
13;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15;; License for more details.
16
aac77ea5 17;; You should have received a copy of the GNU General Public License
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18;; along with GCC; see the file COPYING3. If not see
19;; <http://www.gnu.org/licenses/>.
aac77ea5 20
473f51b6 21(define_automaton "ppc6xx,ppc6xxfp,ppc6xxfp2")
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22(define_cpu_unit "iu1_6xx,iu2_6xx,mciu_6xx" "ppc6xx")
23(define_cpu_unit "fpu_6xx" "ppc6xxfp")
24(define_cpu_unit "fpu1_6xx,fpu2_6xx" "ppc6xxfp2")
473f51b6 25(define_cpu_unit "lsu_6xx,bpu_6xx,cru_6xx" "ppc6xx")
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26
27;; PPC604 32-bit 2xSCIU, MCIU, LSU, FPU, BPU
28;; PPC604e 32-bit 2xSCIU, MCIU, LSU, FPU, BPU, CRU
29;; MCIU used for imul/idiv and moves from/to spr
30;; LSU 2 stage pipelined
31;; FPU 3 stage pipelined
32;; Max issue 4 insns/clock cycle
33
34;; PPC604e is PPC604 with larger caches and a CRU. In the 604
35;; the CR logical operations are handled in the BPU.
36;; In the 604e, the CRU shares bus with BPU so only one condition
37;; register or branch insn can be issued per clock. Not modelled.
38
39;; PPC620 64-bit 2xSCIU, MCIU, LSU, FPU, BPU, CRU
40;; PPC630 64-bit 2xSCIU, MCIU, LSU, 2xFPU, BPU, CRU
41;; Max issue 4 insns/clock cycle
42;; Out-of-order execution, in-order completion
43
44;; No following instruction can dispatch in the same cycle as a branch
45;; instruction. Not modelled. This is no problem if RCSP is not
46;; 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
d839f53b 51 (and (eq_attr "type" "load")
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52 (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
53 "lsu_6xx")
54
55(define_insn_reservation "ppc604-fpload" 3
d839f53b 56 (and (eq_attr "type" "fpload")
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57 (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
58 "lsu_6xx")
59
9c6fdb46 60(define_insn_reservation "ppc604-store" 3
d839f53b 61 (and (eq_attr "type" "store,fpstore")
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62 (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
63 "lsu_6xx")
64
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65(define_insn_reservation "ppc604-llsc" 3
66 (and (eq_attr "type" "load_l,store_c")
67 (eq_attr "cpu" "ppc604,ppc604e"))
68 "lsu_6xx")
69
70(define_insn_reservation "ppc630-llsc" 4
71 (and (eq_attr "type" "load_l,store_c")
72 (eq_attr "cpu" "ppc620,ppc630"))
73 "lsu_6xx")
74
b54cf83a 75(define_insn_reservation "ppc604-integer" 1
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76 (and (ior (eq_attr "type" "integer,insert,trap,cntlz,isel")
77 (and (eq_attr "type" "add,logical,shift,exts")
892e7fa6 78 (eq_attr "dot" "no")))
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79 (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
80 "iu1_6xx|iu2_6xx")
81
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82(define_insn_reservation "ppc604-two" 1
83 (and (eq_attr "type" "two")
84 (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
85 "iu1_6xx|iu2_6xx,iu1_6xx|iu2_6xx")
86
87(define_insn_reservation "ppc604-three" 1
88 (and (eq_attr "type" "three")
89 (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
90 "iu1_6xx|iu2_6xx,iu1_6xx|iu2_6xx,iu1_6xx|iu2_6xx")
91
b54cf83a 92(define_insn_reservation "ppc604-imul" 4
e0528ed9 93 (and (eq_attr "type" "mul")
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94 (eq_attr "cpu" "ppc604"))
95 "mciu_6xx*2")
96
97(define_insn_reservation "ppc604e-imul" 2
e0528ed9 98 (and (eq_attr "type" "mul")
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99 (eq_attr "cpu" "ppc604e"))
100 "mciu_6xx")
101
102(define_insn_reservation "ppc620-imul" 5
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103 (and (eq_attr "type" "mul")
104 (eq_attr "size" "32")
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105 (eq_attr "cpu" "ppc620,ppc630"))
106 "mciu_6xx*3")
107
108(define_insn_reservation "ppc620-imul2" 4
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109 (and (eq_attr "type" "mul")
110 (eq_attr "size" "16")
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111 (eq_attr "cpu" "ppc620,ppc630"))
112 "mciu_6xx*3")
113
114(define_insn_reservation "ppc620-imul3" 3
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115 (and (eq_attr "type" "mul")
116 (eq_attr "size" "8")
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117 (eq_attr "cpu" "ppc620,ppc630"))
118 "mciu_6xx*3")
119
120(define_insn_reservation "ppc620-lmul" 7
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121 (and (eq_attr "type" "mul")
122 (eq_attr "size" "64")
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123 (eq_attr "cpu" "ppc620,ppc630"))
124 "mciu_6xx*5")
125
126(define_insn_reservation "ppc604-idiv" 20
441e02a5 127 (and (eq_attr "type" "div")
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128 (eq_attr "cpu" "ppc604,ppc604e"))
129 "mciu_6xx*19")
130
131(define_insn_reservation "ppc620-idiv" 37
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132 (and (eq_attr "type" "div")
133 (eq_attr "size" "32")
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134 (eq_attr "cpu" "ppc620"))
135 "mciu_6xx*36")
136
137(define_insn_reservation "ppc630-idiv" 21
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138 (and (eq_attr "type" "div")
139 (eq_attr "size" "32")
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140 (eq_attr "cpu" "ppc630"))
141 "mciu_6xx*20")
142
143(define_insn_reservation "ppc620-ldiv" 37
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144 (and (eq_attr "type" "div")
145 (eq_attr "size" "64")
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146 (eq_attr "cpu" "ppc620,ppc630"))
147 "mciu_6xx*36")
148
149(define_insn_reservation "ppc604-compare" 3
f5ae5a23 150 (and (ior (eq_attr "type" "cmp")
79430730 151 (and (eq_attr "type" "add,logical,shift,exts")
892e7fa6 152 (eq_attr "dot" "yes")))
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153 (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
154 "(iu1_6xx|iu2_6xx)")
155
156; FPU PPC604{,e},PPC620
157(define_insn_reservation "ppc604-fpcompare" 5
158 (and (eq_attr "type" "fpcompare")
159 (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
160 "fpu_6xx")
161
162(define_insn_reservation "ppc604-fp" 3
163 (and (eq_attr "type" "fp")
164 (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
165 "fpu_6xx")
166
167(define_insn_reservation "ppc604-dmul" 3
168 (and (eq_attr "type" "dmul")
169 (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
170 "fpu_6xx")
171
172; Divides are not pipelined
173(define_insn_reservation "ppc604-sdiv" 18
174 (and (eq_attr "type" "sdiv")
175 (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
176 "fpu_6xx*18")
177
178(define_insn_reservation "ppc604-ddiv" 32
179 (and (eq_attr "type" "ddiv")
180 (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
181 "fpu_6xx*32")
182
183(define_insn_reservation "ppc620-ssqrt" 31
184 (and (eq_attr "type" "ssqrt")
185 (eq_attr "cpu" "ppc620"))
186 "fpu_6xx*31")
187
188(define_insn_reservation "ppc620-dsqrt" 31
189 (and (eq_attr "type" "dsqrt")
190 (eq_attr "cpu" "ppc620"))
191 "fpu_6xx*31")
192
193
194; 2xFPU PPC630
195(define_insn_reservation "ppc630-fpcompare" 5
196 (and (eq_attr "type" "fpcompare")
197 (eq_attr "cpu" "ppc630"))
02ca7595 198 "fpu1_6xx|fpu2_6xx")
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199
200(define_insn_reservation "ppc630-fp" 3
201 (and (eq_attr "type" "fp,dmul")
202 (eq_attr "cpu" "ppc630"))
203 "fpu1_6xx|fpu2_6xx")
204
205(define_insn_reservation "ppc630-sdiv" 17
206 (and (eq_attr "type" "sdiv")
207 (eq_attr "cpu" "ppc630"))
208 "fpu1_6xx*17|fpu2_6xx*17")
209
210(define_insn_reservation "ppc630-ddiv" 21
211 (and (eq_attr "type" "ddiv")
212 (eq_attr "cpu" "ppc630"))
213 "fpu1_6xx*21|fpu2_6xx*21")
214
215(define_insn_reservation "ppc630-ssqrt" 18
216 (and (eq_attr "type" "ssqrt")
217 (eq_attr "cpu" "ppc630"))
218 "fpu1_6xx*18|fpu2_6xx*18")
219
220(define_insn_reservation "ppc630-dsqrt" 25
221 (and (eq_attr "type" "dsqrt")
222 (eq_attr "cpu" "ppc630"))
223 "fpu1_6xx*25|fpu2_6xx*25")
224
225(define_insn_reservation "ppc604-mfcr" 3
226 (and (eq_attr "type" "mfcr")
227 (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
228 "mciu_6xx")
229
230(define_insn_reservation "ppc604-mtcr" 2
231 (and (eq_attr "type" "mtcr")
232 (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
02ca7595 233 "iu1_6xx|iu2_6xx")
b54cf83a 234
02ca7595 235(define_insn_reservation "ppc604-crlogical" 2
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236 (and (eq_attr "type" "cr_logical,delayed_cr")
237 (eq_attr "cpu" "ppc604"))
238 "bpu_6xx")
239
02ca7595 240(define_insn_reservation "ppc604e-crlogical" 2
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241 (and (eq_attr "type" "cr_logical,delayed_cr")
242 (eq_attr "cpu" "ppc604e,ppc620,ppc630"))
243 "cru_6xx")
244
02ca7595 245(define_insn_reservation "ppc604-mtjmpr" 2
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246 (and (eq_attr "type" "mtjmpr")
247 (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
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248 "mciu_6xx")
249
250(define_insn_reservation "ppc604-mfjmpr" 3
251 (and (eq_attr "type" "mfjmpr")
252 (eq_attr "cpu" "ppc604,ppc604e,ppc620"))
253 "mciu_6xx")
254
255(define_insn_reservation "ppc630-mfjmpr" 2
256 (and (eq_attr "type" "mfjmpr")
257 (eq_attr "cpu" "ppc630"))
258 "mciu_6xx")
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259
260(define_insn_reservation "ppc604-jmpreg" 1
261 (and (eq_attr "type" "jmpreg,branch")
262 (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630"))
263 "bpu_6xx")
264
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265(define_insn_reservation "ppc604-isync" 0
266 (and (eq_attr "type" "isync")
267 (eq_attr "cpu" "ppc604,ppc604e"))
268 "bpu_6xx")
269
270(define_insn_reservation "ppc630-isync" 6
271 (and (eq_attr "type" "isync")
272 (eq_attr "cpu" "ppc620,ppc630"))
273 "bpu_6xx")
274
275(define_insn_reservation "ppc604-sync" 35
276 (and (eq_attr "type" "sync")
277 (eq_attr "cpu" "ppc604,ppc604e"))
278 "lsu_6xx")
279
280(define_insn_reservation "ppc630-sync" 26
281 (and (eq_attr "type" "sync")
282 (eq_attr "cpu" "ppc620,ppc630"))
283 "lsu_6xx")
284
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