1 ;; Scheduling description for z990 (cpu 2084).
2 ;; Copyright (C) 2003-2020 Free Software Foundation, Inc.
3 ;; Contributed by Hartmut Penner (hpenner@de.ibm.com) and
4 ;; Ulrich Weigand (uweigand@de.ibm.com).
6 ;; This file is part of GCC.
8 ;; GCC is free software; you can redistribute it and/or modify it under
9 ;; the terms of the GNU General Public License as published by the Free
10 ;; Software Foundation; either version 3, or (at your option) any later
13 ;; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 ;; WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 ;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 ;; You should have received a copy of the GNU General Public License
19 ;; along with GCC; see the file COPYING3. If not see
20 ;; <http://www.gnu.org/licenses/>.
22 (define_automaton "x_ipu")
24 (define_cpu_unit "x_e1_r,x_e1_s,x_e1_t" "x_ipu")
25 (define_cpu_unit "x_wr_r,x_wr_s,x_wr_t,x_wr_fp" "x_ipu")
26 (define_cpu_unit "x_s1,x_s2,x_s3,x_s4" "x_ipu")
27 (define_cpu_unit "x_t1,x_t2,x_t3,x_t4" "x_ipu")
28 (define_cpu_unit "x_f1,x_f2,x_f3,x_f4,x_f5,x_f6" "x_ipu")
29 (define_cpu_unit "x_store_tok" "x_ipu")
30 (define_cpu_unit "x_ms,x_mt" "x_ipu")
32 (define_reservation "x-e1-st" "(x_e1_s | x_e1_t)")
34 (define_reservation "x-e1-np" "(x_e1_r + x_e1_s + x_e1_t)")
36 (absence_set "x_e1_r" "x_e1_s,x_e1_t")
37 (absence_set "x_e1_s" "x_e1_t")
39 ;; Try to avoid int <-> fp transitions.
41 (define_reservation "x-x" "x_s1|x_t1,x_s2|x_t2,x_s3|x_t3,x_s4|x_t4")
42 (define_reservation "x-f" "x_f1,x_f2,x_f3,x_f4,x_f5,x_f6")
43 (define_reservation "x-wr-st" "((x_wr_s | x_wr_t),x-x)")
44 (define_reservation "x-wr-np" "((x_wr_r + x_wr_s + x_wr_t),x-x)")
45 (define_reservation "x-wr-fp" "x_wr_fp,x-f")
46 (define_reservation "x-mem" "x_ms|x_mt")
48 (absence_set "x_wr_fp"
49 "x_s1,x_s2,x_s3,x_s4,x_t1,x_t2,x_t3,x_t4,x_wr_s,x_wr_t")
51 (absence_set "x_e1_r,x_wr_r,x_wr_s,x_wr_t"
52 "x_f1,x_f2,x_f3,x_f4,x_f5,x_f6,x_wr_fp")
54 ;; Don't have any load type insn in same group as store
56 (absence_set "x_ms,x_mt" "x_store_tok")
63 (define_insn_reservation "x_int" 1
64 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
65 (and (eq_attr "type" "integer")
66 (eq_attr "atype" "reg")))
69 (define_insn_reservation "x_agen" 1
70 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
71 (and (eq_attr "type" "integer")
72 (eq_attr "atype" "agen")))
75 (define_insn_reservation "x_lr" 1
76 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
77 (eq_attr "type" "lr"))
80 (define_insn_reservation "x_la" 1
81 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
82 (eq_attr "type" "la"))
85 (define_insn_reservation "x_larl" 1
86 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
87 (eq_attr "type" "larl"))
90 (define_insn_reservation "x_load" 1
91 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
92 (eq_attr "type" "load"))
93 "x-e1-st+x-mem,x-wr-st")
95 (define_insn_reservation "x_store" 1
96 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
97 (eq_attr "type" "store"))
98 "x-e1-st+x_store_tok,x-wr-st")
100 (define_insn_reservation "x_branch" 1
101 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
102 (eq_attr "type" "branch"))
105 (define_insn_reservation "x_call" 5
106 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
107 (eq_attr "type" "jsr"))
110 (define_insn_reservation "x_mul_hi" 2
111 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
112 (eq_attr "type" "imulhi"))
115 (define_insn_reservation "x_mul_sidi" 4
116 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
117 (eq_attr "type" "imulsi,imuldi"))
120 (define_insn_reservation "x_div" 10
121 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
122 (eq_attr "type" "idiv"))
123 "x-e1-np*10,x-wr-np")
125 (define_insn_reservation "x_sem" 17
126 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
127 (eq_attr "type" "sem"))
128 "x-e1-np+x-mem,x-e1-np*16,x-wr-st")
134 (define_insn_reservation "x_cs" 1
135 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
136 (eq_attr "type" "cs"))
139 (define_insn_reservation "x_vs" 1
140 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
141 (eq_attr "type" "vs"))
142 "x-e1-np*10,x-wr-np")
144 (define_insn_reservation "x_stm" 1
145 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
146 (eq_attr "type" "stm"))
147 "(x-e1-np+x_store_tok)*10,x-wr-np")
149 (define_insn_reservation "x_lm" 1
150 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
151 (eq_attr "type" "lm"))
152 "x-e1-np*10,x-wr-np")
154 (define_insn_reservation "x_other" 1
155 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
156 (eq_attr "type" "other"))
160 ;; Floating point insns
163 (define_insn_reservation "x_fsimptf" 7
164 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
165 (eq_attr "type" "fsimptf,fhex"))
168 (define_insn_reservation "x_fsimpdf" 6
169 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
170 (eq_attr "type" "fsimpdf,fmuldf,fmadddf,fhex"))
173 (define_insn_reservation "x_fsimpsf" 6
174 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
175 (eq_attr "type" "fsimpsf,fmulsf,fmaddsf,fhex"))
179 (define_insn_reservation "x_fmultf" 33
180 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
181 (eq_attr "type" "fmultf"))
185 (define_insn_reservation "x_fdivtf" 82
186 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
187 (eq_attr "type" "fdivtf,fsqrttf"))
190 (define_insn_reservation "x_fdivdf" 36
191 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
192 (eq_attr "type" "fdivdf,fsqrtdf"))
195 (define_insn_reservation "x_fdivsf" 36
196 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
197 (eq_attr "type" "fdivsf,fsqrtsf"))
201 (define_insn_reservation "x_floadtf" 6
202 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
203 (eq_attr "type" "floadtf"))
206 (define_insn_reservation "x_floaddf" 6
207 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
208 (eq_attr "type" "floaddf"))
211 (define_insn_reservation "x_floadsf" 6
212 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
213 (eq_attr "type" "floadsf"))
217 (define_insn_reservation "x_fstoredf" 1
218 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
219 (eq_attr "type" "fstoredf"))
222 (define_insn_reservation "x_fstoresf" 1
223 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
224 (eq_attr "type" "fstoresf"))
228 (define_insn_reservation "x_ftrunctf" 16
229 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
230 (eq_attr "type" "ftrunctf"))
233 (define_insn_reservation "x_ftruncdf" 11
234 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
235 (eq_attr "type" "ftruncdf"))
239 (define_insn_reservation "x_ftoi" 1
240 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
241 (eq_attr "type" "ftoi"))
244 (define_insn_reservation "x_itof" 7
245 (and (eq_attr "cpu" "z990,z9_109,z9_ec")
246 (eq_attr "type" "itoftf,itofdf,itofsf"))
249 (define_bypass 1 "x_fsimpdf" "x_fstoredf")
251 (define_bypass 1 "x_fsimpsf" "x_fstoresf")
253 (define_bypass 1 "x_floaddf" "x_fsimpdf,x_fstoredf,x_floaddf")
255 (define_bypass 1 "x_floadsf" "x_fsimpsf,x_fstoresf,x_floadsf")
258 ;; s390_agen_dep_p returns 1, if a register is set in the
259 ;; first insn and used in the dependent insn to form a address.
263 ;; If an instruction uses a register to address memory, it needs
264 ;; to be set 5 cycles in advance.
267 (define_bypass 5 "x_int,x_agen,x_lr"
268 "x_agen,x_la,x_branch,x_call,x_load,x_store,x_cs,x_stm,x_lm,x_other"
271 (define_bypass 9 "x_int,x_agen,x_lr"
272 "x_floadtf, x_floaddf, x_floadsf, x_fstoredf, x_fstoresf,\
273 x_fsimpdf, x_fsimpsf, x_fdivdf, x_fdivsf"
276 ;; A load type instruction uses a bypass to feed the result back
277 ;; to the address generation pipeline stage.
280 (define_bypass 4 "x_load"
281 "x_agen,x_la,x_branch,x_call,x_load,x_store,x_cs,x_stm,x_lm,x_other"
284 (define_bypass 5 "x_load"
285 "x_floadtf, x_floaddf, x_floadsf, x_fstoredf, x_fstoresf,\
286 x_fsimpdf, x_fsimpsf, x_fdivdf, x_fdivsf"
290 ;; A load address type instruction uses a bypass to feed the
291 ;; result back to the address generation pipeline stage.
294 (define_bypass 3 "x_larl,x_la"
295 "x_agen,x_la,x_branch,x_call,x_load,x_store,x_cs,x_stm,x_lm,x_other"
298 (define_bypass 5 "x_larl, x_la"
299 "x_floadtf, x_floaddf, x_floadsf, x_fstoredf, x_fstoresf,\
300 x_fsimpdf, x_fsimpsf, x_fdivdf, x_fdivsf"
304 ;; Operand forwarding
307 (define_bypass 0 "x_lr,x_la,x_load" "x_int,x_lr")