Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/rs6000/power4.md @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Fri, 12 Feb 2010 23:39:51 +0900 |
parents | a06113de4d67 |
children | 04ced10e8804 |
rev | line source |
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0 | 1 ;; Scheduling description for IBM Power4 and PowerPC 970 processors. |
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2 ;; Copyright (C) 2003, 2004, 2007, 2009 Free Software Foundation, Inc. |
0 | 3 ;; |
4 ;; This file is part of GCC. | |
5 ;; | |
6 ;; GCC is free software; you can redistribute it and/or modify it | |
7 ;; under the terms of the GNU General Public License as published | |
8 ;; by the Free Software Foundation; either version 3, or (at your | |
9 ;; option) any later version. | |
10 ;; | |
11 ;; GCC is distributed in the hope that it will be useful, but WITHOUT | |
12 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
13 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
14 ;; License for more details. | |
15 ;; | |
16 ;; You should have received a copy of the GNU General Public License | |
17 ;; along with GCC; see the file COPYING3. If not see | |
18 ;; <http://www.gnu.org/licenses/>. | |
19 | |
20 ;; Sources: IBM Red Book and White Paper on POWER4 | |
21 | |
22 ;; The POWER4 has 2 iu, 2 fpu, 2 lsu per engine (2 engines per chip). | |
23 ;; Instructions that update more than one register get broken into two | |
24 ;; (split) or more internal ops. The chip can issue up to 5 | |
25 ;; internal ops per cycle. | |
26 | |
27 (define_automaton "power4iu,power4fpu,power4vec,power4misc") | |
28 | |
29 (define_cpu_unit "iu1_power4,iu2_power4" "power4iu") | |
30 (define_cpu_unit "lsu1_power4,lsu2_power4" "power4misc") | |
31 (define_cpu_unit "fpu1_power4,fpu2_power4" "power4fpu") | |
32 (define_cpu_unit "bpu_power4,cru_power4" "power4misc") | |
33 (define_cpu_unit "vec_power4,vecperm_power4" "power4vec") | |
34 (define_cpu_unit "du1_power4,du2_power4,du3_power4,du4_power4,du5_power4" | |
35 "power4misc") | |
36 | |
37 (define_reservation "lsq_power4" | |
38 "(du1_power4,lsu1_power4)\ | |
39 |(du2_power4,lsu2_power4)\ | |
40 |(du3_power4,lsu2_power4)\ | |
41 |(du4_power4,lsu1_power4)") | |
42 | |
43 (define_reservation "lsuq_power4" | |
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44 "((du1_power4+du2_power4,lsu1_power4)\ |
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45 |(du2_power4+du3_power4,lsu2_power4)\ |
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46 |(du3_power4+du4_power4,lsu2_power4))\ |
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47 +(nothing,iu2_power4|nothing,iu1_power4)") |
0 | 48 |
49 (define_reservation "iq_power4" | |
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50 "(du1_power4|du2_power4|du3_power4|du4_power4),\ |
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51 (iu1_power4|iu2_power4)") |
0 | 52 |
53 (define_reservation "fpq_power4" | |
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54 "(du1_power4|du2_power4|du3_power4|du4_power4),\ |
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55 (fpu1_power4|fpu2_power4)") |
0 | 56 |
57 (define_reservation "vq_power4" | |
58 "(du1_power4,vec_power4)\ | |
59 |(du2_power4,vec_power4)\ | |
60 |(du3_power4,vec_power4)\ | |
61 |(du4_power4,vec_power4)") | |
62 | |
63 (define_reservation "vpq_power4" | |
64 "(du1_power4,vecperm_power4)\ | |
65 |(du2_power4,vecperm_power4)\ | |
66 |(du3_power4,vecperm_power4)\ | |
67 |(du4_power4,vecperm_power4)") | |
68 | |
69 | |
70 ; Dispatch slots are allocated in order conforming to program order. | |
71 (absence_set "du1_power4" "du2_power4,du3_power4,du4_power4,du5_power4") | |
72 (absence_set "du2_power4" "du3_power4,du4_power4,du5_power4") | |
73 (absence_set "du3_power4" "du4_power4,du5_power4") | |
74 (absence_set "du4_power4" "du5_power4") | |
75 | |
76 | |
77 ; Load/store | |
78 (define_insn_reservation "power4-load" 4 ; 3 | |
79 (and (eq_attr "type" "load") | |
80 (eq_attr "cpu" "power4")) | |
81 "lsq_power4") | |
82 | |
83 (define_insn_reservation "power4-load-ext" 5 | |
84 (and (eq_attr "type" "load_ext") | |
85 (eq_attr "cpu" "power4")) | |
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86 "(du1_power4+du2_power4,lsu1_power4\ |
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87 |du2_power4+du3_power4,lsu2_power4\ |
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88 |du3_power4+du4_power4,lsu2_power4),\ |
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89 nothing,nothing,\ |
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90 (iu2_power4|iu1_power4)") |
0 | 91 |
92 (define_insn_reservation "power4-load-ext-update" 5 | |
93 (and (eq_attr "type" "load_ext_u") | |
94 (eq_attr "cpu" "power4")) | |
95 "du1_power4+du2_power4+du3_power4+du4_power4,\ | |
96 lsu1_power4+iu2_power4,nothing,nothing,iu2_power4") | |
97 | |
98 (define_insn_reservation "power4-load-ext-update-indexed" 5 | |
99 (and (eq_attr "type" "load_ext_ux") | |
100 (eq_attr "cpu" "power4")) | |
101 "du1_power4+du2_power4+du3_power4+du4_power4,\ | |
102 iu1_power4,lsu2_power4+iu1_power4,nothing,nothing,iu2_power4") | |
103 | |
104 (define_insn_reservation "power4-load-update-indexed" 3 | |
105 (and (eq_attr "type" "load_ux") | |
106 (eq_attr "cpu" "power4")) | |
107 "du1_power4+du2_power4+du3_power4+du4_power4,\ | |
108 iu1_power4,lsu2_power4+iu2_power4") | |
109 | |
110 (define_insn_reservation "power4-load-update" 4 ; 3 | |
111 (and (eq_attr "type" "load_u") | |
112 (eq_attr "cpu" "power4")) | |
113 "lsuq_power4") | |
114 | |
115 (define_insn_reservation "power4-fpload" 6 ; 5 | |
116 (and (eq_attr "type" "fpload") | |
117 (eq_attr "cpu" "power4")) | |
118 "lsq_power4") | |
119 | |
120 (define_insn_reservation "power4-fpload-update" 6 ; 5 | |
121 (and (eq_attr "type" "fpload_u,fpload_ux") | |
122 (eq_attr "cpu" "power4")) | |
123 "lsuq_power4") | |
124 | |
125 (define_insn_reservation "power4-vecload" 6 ; 5 | |
126 (and (eq_attr "type" "vecload") | |
127 (eq_attr "cpu" "power4")) | |
128 "lsq_power4") | |
129 | |
130 (define_insn_reservation "power4-store" 12 | |
131 (and (eq_attr "type" "store") | |
132 (eq_attr "cpu" "power4")) | |
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133 "((du1_power4,lsu1_power4)\ |
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134 |(du2_power4,lsu2_power4)\ |
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135 |(du3_power4,lsu2_power4)\ |
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136 |(du4_power4,lsu1_power4)),\ |
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137 (iu1_power4|iu2_power4)") |
0 | 138 |
139 (define_insn_reservation "power4-store-update" 12 | |
140 (and (eq_attr "type" "store_u") | |
141 (eq_attr "cpu" "power4")) | |
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142 "((du1_power4+du2_power4,lsu1_power4)\ |
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143 |(du2_power4+du3_power4,lsu2_power4)\ |
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144 |(du3_power4+du4_power4,lsu2_power4)\ |
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145 |(du3_power4+du4_power4,lsu2_power4))+\ |
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146 ((nothing,iu2_power4,iu1_power4)\ |
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147 |(nothing,iu2_power4,iu2_power4)\ |
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148 |(nothing,iu1_power4,iu2_power4)\ |
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149 |(nothing,iu1_power4,iu2_power4))") |
0 | 150 |
151 (define_insn_reservation "power4-store-update-indexed" 12 | |
152 (and (eq_attr "type" "store_ux") | |
153 (eq_attr "cpu" "power4")) | |
154 "du1_power4+du2_power4+du3_power4+du4_power4,\ | |
155 iu1_power4,lsu2_power4+iu2_power4,iu2_power4") | |
156 | |
157 (define_insn_reservation "power4-fpstore" 12 | |
158 (and (eq_attr "type" "fpstore") | |
159 (eq_attr "cpu" "power4")) | |
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160 "((du1_power4,lsu1_power4)\ |
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161 |(du2_power4,lsu2_power4)\ |
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162 |(du3_power4,lsu2_power4)\ |
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163 |(du4_power4,lsu1_power4)),\ |
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164 (fpu1_power4|fpu2_power4)") |
0 | 165 |
166 (define_insn_reservation "power4-fpstore-update" 12 | |
167 (and (eq_attr "type" "fpstore_u,fpstore_ux") | |
168 (eq_attr "cpu" "power4")) | |
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169 "((du1_power4+du2_power4,lsu1_power4)\ |
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170 |(du2_power4+du3_power4,lsu2_power4)\ |
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171 |(du3_power4+du4_power4,lsu2_power4))\ |
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172 +(nothing,(iu1_power4|iu2_power4),(fpu1_power4|fpu2_power4))") |
0 | 173 |
174 (define_insn_reservation "power4-vecstore" 12 | |
175 (and (eq_attr "type" "vecstore") | |
176 (eq_attr "cpu" "power4")) | |
177 "(du1_power4,lsu1_power4,vec_power4)\ | |
178 |(du2_power4,lsu2_power4,vec_power4)\ | |
179 |(du3_power4,lsu2_power4,vec_power4)\ | |
180 |(du4_power4,lsu1_power4,vec_power4)") | |
181 | |
182 (define_insn_reservation "power4-llsc" 11 | |
183 (and (eq_attr "type" "load_l,store_c,sync") | |
184 (eq_attr "cpu" "power4")) | |
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185 "du1_power4+du2_power4+du3_power4+du4_power4,lsu1_power4") |
0 | 186 |
187 | |
188 ; Integer latency is 2 cycles | |
189 (define_insn_reservation "power4-integer" 2 | |
190 (and (eq_attr "type" "integer,insert_dword,shift,trap,\ | |
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191 var_shift_rotate,cntlz,exts,isel") |
0 | 192 (eq_attr "cpu" "power4")) |
193 "iq_power4") | |
194 | |
195 (define_insn_reservation "power4-two" 2 | |
196 (and (eq_attr "type" "two") | |
197 (eq_attr "cpu" "power4")) | |
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198 "((du1_power4+du2_power4)\ |
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199 |(du2_power4+du3_power4)\ |
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200 |(du3_power4+du4_power4)\ |
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201 |(du4_power4+du1_power4)),\ |
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202 ((iu1_power4,nothing,iu2_power4)\ |
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203 |(iu2_power4,nothing,iu2_power4)\ |
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204 |(iu2_power4,nothing,iu1_power4)\ |
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205 |(iu1_power4,nothing,iu1_power4))") |
0 | 206 |
207 (define_insn_reservation "power4-three" 2 | |
208 (and (eq_attr "type" "three") | |
209 (eq_attr "cpu" "power4")) | |
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210 "(du1_power4+du2_power4+du3_power4|du2_power4+du3_power4+du4_power4\ |
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211 |du3_power4+du4_power4+du1_power4|du4_power4+du1_power4+du2_power4),\ |
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212 ((iu1_power4,nothing,iu2_power4,nothing,iu2_power4)\ |
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213 |(iu2_power4,nothing,iu2_power4,nothing,iu1_power4)\ |
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214 |(iu2_power4,nothing,iu1_power4,nothing,iu1_power4)\ |
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215 |(iu1_power4,nothing,iu2_power4,nothing,iu2_power4))") |
0 | 216 |
217 (define_insn_reservation "power4-insert" 4 | |
218 (and (eq_attr "type" "insert_word") | |
219 (eq_attr "cpu" "power4")) | |
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220 "(du1_power4+du2_power4|du2_power4+du3_power4|du3_power4+du4_power4),\ |
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221 ((iu1_power4,nothing,iu2_power4)\ |
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222 |(iu2_power4,nothing,iu2_power4)\ |
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223 |(iu2_power4,nothing,iu1_power4))") |
0 | 224 |
225 (define_insn_reservation "power4-cmp" 3 | |
226 (and (eq_attr "type" "cmp,fast_compare") | |
227 (eq_attr "cpu" "power4")) | |
228 "iq_power4") | |
229 | |
230 (define_insn_reservation "power4-compare" 2 | |
231 (and (eq_attr "type" "compare,delayed_compare,var_delayed_compare") | |
232 (eq_attr "cpu" "power4")) | |
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233 "(du1_power4+du2_power4|du2_power4+du3_power4|du3_power4+du4_power4),\ |
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234 ((iu1_power4,iu2_power4)\ |
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235 |(iu2_power4,iu2_power4)\ |
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236 |(iu2_power4,iu1_power4))") |
0 | 237 |
238 (define_bypass 4 "power4-compare" "power4-branch,power4-crlogical,power4-delayedcr,power4-mfcr,power4-mfcrf") | |
239 | |
240 (define_insn_reservation "power4-lmul-cmp" 7 | |
241 (and (eq_attr "type" "lmul_compare") | |
242 (eq_attr "cpu" "power4")) | |
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243 "(du1_power4+du2_power4|du2_power4+du3_power4|du3_power4+du4_power4),\ |
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244 ((iu1_power4*6,iu2_power4)\ |
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245 |(iu2_power4*6,iu2_power4)\ |
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246 |(iu2_power4*6,iu1_power4))") |
0 | 247 |
248 (define_bypass 10 "power4-lmul-cmp" "power4-branch,power4-crlogical,power4-delayedcr,power4-mfcr,power4-mfcrf") | |
249 | |
250 (define_insn_reservation "power4-imul-cmp" 5 | |
251 (and (eq_attr "type" "imul_compare") | |
252 (eq_attr "cpu" "power4")) | |
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253 "(du1_power4+du2_power4|du2_power4+du3_power4|du3_power4+du4_power4),\ |
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254 ((iu1_power4*4,iu2_power4)\ |
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255 |(iu2_power4*4,iu2_power4)\ |
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256 |(iu2_power4*4,iu1_power4))") |
0 | 257 |
258 (define_bypass 8 "power4-imul-cmp" "power4-branch,power4-crlogical,power4-delayedcr,power4-mfcr,power4-mfcrf") | |
259 | |
260 (define_insn_reservation "power4-lmul" 7 | |
261 (and (eq_attr "type" "lmul") | |
262 (eq_attr "cpu" "power4")) | |
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263 "(du1_power4|du2_power4|du3_power4|du4_power4),\ |
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264 (iu1_power4*6|iu2_power4*6)") |
0 | 265 |
266 (define_insn_reservation "power4-imul" 5 | |
267 (and (eq_attr "type" "imul") | |
268 (eq_attr "cpu" "power4")) | |
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269 "(du1_power4|du2_power4|du3_power4|du4_power4),\ |
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270 (iu1_power4*4|iu2_power4*4)") |
0 | 271 |
272 (define_insn_reservation "power4-imul3" 4 | |
273 (and (eq_attr "type" "imul2,imul3") | |
274 (eq_attr "cpu" "power4")) | |
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275 "(du1_power4|du2_power4|du3_power4|du4_power4),\ |
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276 (iu1_power4*3|iu2_power4*3)") |
0 | 277 |
278 | |
279 ; SPR move only executes in first IU. | |
280 ; Integer division only executes in second IU. | |
281 (define_insn_reservation "power4-idiv" 36 | |
282 (and (eq_attr "type" "idiv") | |
283 (eq_attr "cpu" "power4")) | |
284 "du1_power4+du2_power4,iu2_power4*35") | |
285 | |
286 (define_insn_reservation "power4-ldiv" 68 | |
287 (and (eq_attr "type" "ldiv") | |
288 (eq_attr "cpu" "power4")) | |
289 "du1_power4+du2_power4,iu2_power4*67") | |
290 | |
291 | |
292 (define_insn_reservation "power4-mtjmpr" 3 | |
293 (and (eq_attr "type" "mtjmpr,mfjmpr") | |
294 (eq_attr "cpu" "power4")) | |
295 "du1_power4,bpu_power4") | |
296 | |
297 | |
298 ; Branches take dispatch Slot 4. The presence_sets prevent other insn from | |
299 ; grabbing previous dispatch slots once this is assigned. | |
300 (define_insn_reservation "power4-branch" 2 | |
301 (and (eq_attr "type" "jmpreg,branch") | |
302 (eq_attr "cpu" "power4")) | |
303 "(du5_power4\ | |
304 |du4_power4+du5_power4\ | |
305 |du3_power4+du4_power4+du5_power4\ | |
306 |du2_power4+du3_power4+du4_power4+du5_power4\ | |
307 |du1_power4+du2_power4+du3_power4+du4_power4+du5_power4),bpu_power4") | |
308 | |
309 | |
310 ; Condition Register logical ops are split if non-destructive (RT != RB) | |
311 (define_insn_reservation "power4-crlogical" 2 | |
312 (and (eq_attr "type" "cr_logical") | |
313 (eq_attr "cpu" "power4")) | |
314 "du1_power4,cru_power4") | |
315 | |
316 (define_insn_reservation "power4-delayedcr" 4 | |
317 (and (eq_attr "type" "delayed_cr") | |
318 (eq_attr "cpu" "power4")) | |
319 "du1_power4+du2_power4,cru_power4,cru_power4") | |
320 | |
321 ; 4 mfcrf (each 3 cyc, 1/cyc) + 3 fxu | |
322 (define_insn_reservation "power4-mfcr" 6 | |
323 (and (eq_attr "type" "mfcr") | |
324 (eq_attr "cpu" "power4")) | |
325 "du1_power4+du2_power4+du3_power4+du4_power4,\ | |
326 du1_power4+du2_power4+du3_power4+du4_power4+cru_power4,\ | |
327 cru_power4,cru_power4,cru_power4") | |
328 | |
329 ; mfcrf (1 field) | |
330 (define_insn_reservation "power4-mfcrf" 3 | |
331 (and (eq_attr "type" "mfcrf") | |
332 (eq_attr "cpu" "power4")) | |
333 "du1_power4,cru_power4") | |
334 | |
335 ; mtcrf (1 field) | |
336 (define_insn_reservation "power4-mtcr" 4 | |
337 (and (eq_attr "type" "mtcr") | |
338 (eq_attr "cpu" "power4")) | |
339 "du1_power4,iu1_power4") | |
340 | |
341 ; Basic FP latency is 6 cycles | |
342 (define_insn_reservation "power4-fp" 6 | |
343 (and (eq_attr "type" "fp,dmul") | |
344 (eq_attr "cpu" "power4")) | |
345 "fpq_power4") | |
346 | |
347 (define_insn_reservation "power4-fpcompare" 5 | |
348 (and (eq_attr "type" "fpcompare") | |
349 (eq_attr "cpu" "power4")) | |
350 "fpq_power4") | |
351 | |
352 (define_insn_reservation "power4-sdiv" 33 | |
353 (and (eq_attr "type" "sdiv,ddiv") | |
354 (eq_attr "cpu" "power4")) | |
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355 "(du1_power4|du2_power4|du3_power4|du4_power4),\ |
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356 (fpu1_power4*28|fpu2_power4*28)") |
0 | 357 |
358 (define_insn_reservation "power4-sqrt" 40 | |
359 (and (eq_attr "type" "ssqrt,dsqrt") | |
360 (eq_attr "cpu" "power4")) | |
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361 "(du1_power4|du2_power4|du3_power4|du4_power4),\ |
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362 (fpu1_power4*35|fpu2_power4*35)") |
0 | 363 |
364 (define_insn_reservation "power4-isync" 2 | |
365 (and (eq_attr "type" "isync") | |
366 (eq_attr "cpu" "power4")) | |
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367 "du1_power4+du2_power4+du3_power4+du4_power4,lsu1_power4") |
0 | 368 |
369 | |
370 ; VMX | |
371 (define_insn_reservation "power4-vecsimple" 2 | |
372 (and (eq_attr "type" "vecsimple") | |
373 (eq_attr "cpu" "power4")) | |
374 "vq_power4") | |
375 | |
376 (define_insn_reservation "power4-veccomplex" 5 | |
377 (and (eq_attr "type" "veccomplex") | |
378 (eq_attr "cpu" "power4")) | |
379 "vq_power4") | |
380 | |
381 ; vecfp compare | |
382 (define_insn_reservation "power4-veccmp" 8 | |
383 (and (eq_attr "type" "veccmp") | |
384 (eq_attr "cpu" "power4")) | |
385 "vq_power4") | |
386 | |
387 (define_insn_reservation "power4-vecfloat" 8 | |
388 (and (eq_attr "type" "vecfloat") | |
389 (eq_attr "cpu" "power4")) | |
390 "vq_power4") | |
391 | |
392 (define_insn_reservation "power4-vecperm" 2 | |
393 (and (eq_attr "type" "vecperm") | |
394 (eq_attr "cpu" "power4")) | |
395 "vpq_power4") | |
396 | |
397 (define_bypass 4 "power4-vecload" "power4-vecperm") | |
398 | |
399 (define_bypass 3 "power4-vecsimple" "power4-vecperm") | |
400 (define_bypass 6 "power4-veccomplex" "power4-vecperm") | |
401 (define_bypass 3 "power4-vecperm" | |
402 "power4-vecsimple,power4-veccomplex,power4-vecfloat") | |
403 (define_bypass 9 "power4-vecfloat" "power4-vecperm") | |
404 | |
405 (define_bypass 5 "power4-vecsimple,power4-veccomplex" | |
406 "power4-branch,power4-crlogical,power4-delayedcr,power4-mfcr,power4-mfcrf") | |
407 | |
408 (define_bypass 4 "power4-vecsimple,power4-vecperm" "power4-vecstore") | |
409 (define_bypass 7 "power4-veccomplex" "power4-vecstore") | |
410 (define_bypass 10 "power4-vecfloat" "power4-vecstore") |