Small ChangeLog tweak.
[official-gcc.git] / gcc / config / powerpcspe / e500mc.md
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1 ;; Pipeline description for Motorola PowerPC e500mc core.
2 ;;   Copyright (C) 2008-2017 Free Software Foundation, Inc.
3 ;;   Contributed by Edmar Wienskoski (edmar@freescale.com)
4 ;;
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
9 ;; by the Free Software Foundation; either version 3, or (at your
10 ;; option) any later version.
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.
17 ;; You should have received a copy of the GNU General Public License
18 ;; along with GCC; see the file COPYING3.  If not see
19 ;; <http://www.gnu.org/licenses/>.
21 ;; e500mc 32-bit SU(2), LSU, FPU, BPU
22 ;; Max issue 3 insns/clock cycle (includes 1 branch)
23 ;; FP is half clocked, timings of other instructions are as in the e500v2.
25 (define_automaton "e500mc_most,e500mc_long,e500mc_retire")
26 (define_cpu_unit "e500mc_decode_0,e500mc_decode_1" "e500mc_most")
27 (define_cpu_unit "e500mc_issue_0,e500mc_issue_1"   "e500mc_most")
28 (define_cpu_unit "e500mc_retire_0,e500mc_retire_1" "e500mc_retire")
30 ;; SU.
31 (define_cpu_unit "e500mc_su0_stage0,e500mc_su1_stage0" "e500mc_most")
33 ;; MU.
34 (define_cpu_unit "e500mc_mu_stage0,e500mc_mu_stage1" "e500mc_most")
35 (define_cpu_unit "e500mc_mu_stage2,e500mc_mu_stage3" "e500mc_most")
37 ;; Non-pipelined division.
38 (define_cpu_unit "e500mc_mu_div" "e500mc_long")
40 ;; LSU.
41 (define_cpu_unit "e500mc_lsu" "e500mc_most")
43 ;; FPU.
44 (define_cpu_unit "e500mc_fpu" "e500mc_most")
46 ;; Branch unit.
47 (define_cpu_unit "e500mc_bu" "e500mc_most")
49 ;; The following units are used to make the automata deterministic.
50 (define_cpu_unit "present_e500mc_decode_0" "e500mc_most")
51 (define_cpu_unit "present_e500mc_issue_0" "e500mc_most")
52 (define_cpu_unit "present_e500mc_retire_0" "e500mc_retire")
53 (define_cpu_unit "present_e500mc_su0_stage0" "e500mc_most")
55 ;; The following sets to make automata deterministic when option ndfa is used.
56 (presence_set "present_e500mc_decode_0" "e500mc_decode_0")
57 (presence_set "present_e500mc_issue_0" "e500mc_issue_0")
58 (presence_set "present_e500mc_retire_0" "e500mc_retire_0")
59 (presence_set "present_e500mc_su0_stage0" "e500mc_su0_stage0")
61 ;; Some useful abbreviations.
62 (define_reservation "e500mc_decode"
63     "e500mc_decode_0|e500mc_decode_1+present_e500mc_decode_0")
64 (define_reservation "e500mc_issue"
65     "e500mc_issue_0|e500mc_issue_1+present_e500mc_issue_0")
66 (define_reservation "e500mc_retire"
67    "e500mc_retire_0|e500mc_retire_1+present_e500mc_retire_0")
68 (define_reservation "e500mc_su_stage0"
69    "e500mc_su0_stage0|e500mc_su1_stage0+present_e500mc_su0_stage0")
71 ;; Simple SU insns.
72 (define_insn_reservation "e500mc_su" 1
73   (and (eq_attr "type" "integer,add,logical,insert,cmp,\
74                         shift,trap,cntlz,exts,isel")
75        (eq_attr "cpu" "ppce500mc"))
76   "e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire")
78 (define_insn_reservation "e500mc_two" 1
79   (and (eq_attr "type" "two")
80        (eq_attr "cpu" "ppce500mc"))
81   "e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire,\
82    e500mc_issue+e500mc_su_stage0+e500mc_retire")
84 (define_insn_reservation "e500mc_three" 1
85   (and (eq_attr "type" "three")
86        (eq_attr "cpu" "ppce500mc"))
87   "e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire,\
88    e500mc_issue+e500mc_su_stage0+e500mc_retire,\
89    e500mc_issue+e500mc_su_stage0+e500mc_retire")
91 ;; Multiply.
92 (define_insn_reservation "e500mc_multiply" 4
93   (and (eq_attr "type" "mul")
94        (eq_attr "cpu" "ppce500mc"))
95   "e500mc_decode,e500mc_issue+e500mc_mu_stage0,e500mc_mu_stage1,\
96    e500mc_mu_stage2,e500mc_mu_stage3+e500mc_retire")
98 ;; Divide. We use the average latency time here.
99 (define_insn_reservation "e500mc_divide" 14
100   (and (eq_attr "type" "div")
101        (eq_attr "cpu" "ppce500mc"))
102   "e500mc_decode,e500mc_issue+e500mc_mu_stage0+e500mc_mu_div,\
103    e500mc_mu_div*13")
105 ;; Branch.
106 (define_insn_reservation "e500mc_branch" 1
107   (and (eq_attr "type" "jmpreg,branch,isync")
108        (eq_attr "cpu" "ppce500mc"))
109   "e500mc_decode,e500mc_bu,e500mc_retire")
111 ;; CR logical.
112 (define_insn_reservation "e500mc_cr_logical" 1
113   (and (eq_attr "type" "cr_logical,delayed_cr")
114        (eq_attr "cpu" "ppce500mc"))
115   "e500mc_decode,e500mc_bu,e500mc_retire")
117 ;; Mfcr.
118 (define_insn_reservation "e500mc_mfcr" 1
119   (and (eq_attr "type" "mfcr")
120        (eq_attr "cpu" "ppce500mc"))
121   "e500mc_decode,e500mc_issue+e500mc_su1_stage0+e500mc_retire")
123 ;; Mtcrf.
124 (define_insn_reservation "e500mc_mtcrf" 1
125   (and (eq_attr "type" "mtcr")
126        (eq_attr "cpu" "ppce500mc"))
127   "e500mc_decode,e500mc_issue+e500mc_su1_stage0+e500mc_retire")
129 ;; Mtjmpr.
130 (define_insn_reservation "e500mc_mtjmpr" 1
131   (and (eq_attr "type" "mtjmpr,mfjmpr")
132        (eq_attr "cpu" "ppce500mc"))
133   "e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire")
135 ;; Brinc.
136 (define_insn_reservation "e500mc_brinc" 1
137   (and (eq_attr "type" "brinc")
138        (eq_attr "cpu" "ppce500mc"))
139   "e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire")
141 ;; Loads.
142 (define_insn_reservation "e500mc_load" 3
143   (and (eq_attr "type" "load,load_l,sync")
144        (eq_attr "cpu" "ppce500mc"))
145   "e500mc_decode,e500mc_issue+e500mc_lsu,nothing,e500mc_retire")
147 (define_insn_reservation "e500mc_fpload" 4
148   (and (eq_attr "type" "fpload")
149        (eq_attr "cpu" "ppce500mc"))
150   "e500mc_decode,e500mc_issue+e500mc_lsu,nothing*2,e500mc_retire")
152 ;; Stores.
153 (define_insn_reservation "e500mc_store" 3
154   (and (eq_attr "type" "store,store_c")
155        (eq_attr "cpu" "ppce500mc"))
156   "e500mc_decode,e500mc_issue+e500mc_lsu,nothing,e500mc_retire")
158 (define_insn_reservation "e500mc_fpstore" 3
159   (and (eq_attr "type" "fpstore")
160        (eq_attr "cpu" "ppce500mc"))
161   "e500mc_decode,e500mc_issue+e500mc_lsu,nothing,e500mc_retire")
163 ;; The following ignores the retire unit to avoid a large automata.
165 ;; Simple FP.
166 (define_insn_reservation "e500mc_simple_float" 8
167   (and (eq_attr "type" "fpsimple")
168        (eq_attr "cpu" "ppce500mc"))
169   "e500mc_decode,e500mc_issue+e500mc_fpu")
170 ; "e500mc_decode,e500mc_issue+e500mc_fpu,nothing*6,e500mc_retire")
172 ;; FP.
173 (define_insn_reservation "e500mc_float" 8
174   (and (eq_attr "type" "fp")
175        (eq_attr "cpu" "ppce500mc"))
176   "e500mc_decode,e500mc_issue+e500mc_fpu")
177 ; "e500mc_decode,e500mc_issue+e500mc_fpu,nothing*6,e500mc_retire")
179 (define_insn_reservation "e500mc_fpcompare" 8
180   (and (eq_attr "type" "fpcompare")
181        (eq_attr "cpu" "ppce500mc"))
182   "e500mc_decode,e500mc_issue+e500mc_fpu")
184 (define_insn_reservation "e500mc_dmul" 10
185   (and (eq_attr "type" "dmul")
186        (eq_attr "cpu" "ppce500mc"))
187   "e500mc_decode,e500mc_issue+e500mc_fpu")
189 ;; FP divides are not pipelined.
190 (define_insn_reservation "e500mc_sdiv" 36
191   (and (eq_attr "type" "sdiv")
192        (eq_attr "cpu" "ppce500mc"))
193   "e500mc_decode,e500mc_issue+e500mc_fpu,e500mc_fpu*35")
195 (define_insn_reservation "e500mc_ddiv" 66
196   (and (eq_attr "type" "ddiv")
197        (eq_attr "cpu" "ppce500mc"))
198   "e500mc_decode,e500mc_issue+e500mc_fpu,e500mc_fpu*65")