Mercurial > hg > CbC > CbC_gcc

comparison gcc/config/arm/marvell-f-iwmmxt.md @ 111:04ced10e8804

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 ;; Marvell WMMX2 pipeline description
2 ;; Copyright (C) 2011-2017 Free Software Foundation, Inc.
3 ;; Written by Marvell, Inc.
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.
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
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/>.
20
21
22 (define_automaton "marvell_f_iwmmxt")
23
24 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
25 ;; Pipelines
26 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
27
28 ;; This is a 7-stage pipelines:
29 ;;
30 ;; MD | MI | ME1 | ME2 | ME3 | ME4 | MW
31 ;;
32 ;; There are various bypasses modelled to a greater or lesser extent.
33 ;;
34 ;; Latencies in this file correspond to the number of cycles after
35 ;; the issue stage that it takes for the result of the instruction to
36 ;; be computed, or for its side-effects to occur.
37
38 (define_cpu_unit "mf_iwmmxt_MD" "marvell_f_iwmmxt")
39 (define_cpu_unit "mf_iwmmxt_MI" "marvell_f_iwmmxt")
40 (define_cpu_unit "mf_iwmmxt_ME1" "marvell_f_iwmmxt")
41 (define_cpu_unit "mf_iwmmxt_ME2" "marvell_f_iwmmxt")
42 (define_cpu_unit "mf_iwmmxt_ME3" "marvell_f_iwmmxt")
43 (define_cpu_unit "mf_iwmmxt_ME4" "marvell_f_iwmmxt")
44 (define_cpu_unit "mf_iwmmxt_MW" "marvell_f_iwmmxt")
45
46 (define_reservation "mf_iwmmxt_ME"
47 "mf_iwmmxt_ME1,mf_iwmmxt_ME2,mf_iwmmxt_ME3,mf_iwmmxt_ME4"
48 )
49
50 (define_reservation "mf_iwmmxt_pipeline"
51 "mf_iwmmxt_MD, mf_iwmmxt_MI, mf_iwmmxt_ME, mf_iwmmxt_MW"
52 )
53
54 ;; An attribute to indicate whether our reservations are applicable.
55 (define_attr "marvell_f_iwmmxt" "yes,no"
56 (const (if_then_else (symbol_ref "arm_arch_iwmmxt")
57 (const_string "yes") (const_string "no"))))
58
59 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
60 ;; instruction classes
61 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
62
63 ;; An attribute appended to instructions for classification
64
65 (define_attr "wmmxt_shift" "yes,no"
66 (if_then_else (eq_attr "type" "wmmx_wror, wmmx_wsll, wmmx_wsra, wmmx_wsrl")
67 (const_string "yes") (const_string "no"))
68 )
69
70 (define_attr "wmmxt_pack" "yes,no"
71 (if_then_else (eq_attr "type" "wmmx_waligni, wmmx_walignr, wmmx_wmerge,\
72 wmmx_wpack, wmmx_wshufh, wmmx_wunpckeh,\
73 wmmx_wunpckih, wmmx_wunpckel, wmmx_wunpckil")
74 (const_string "yes") (const_string "no"))
75 )
76
77 (define_attr "wmmxt_mult_c1" "yes,no"
78 (if_then_else (eq_attr "type" "wmmx_wmac, wmmx_wmadd, wmmx_wmiaxy,\
79 wmmx_wmiawxy, wmmx_wmulw, wmmx_wqmiaxy,\
80 wmmx_wqmulwm")
81 (const_string "yes") (const_string "no"))
82 )
83
84 (define_attr "wmmxt_mult_c2" "yes,no"
85 (if_then_else (eq_attr "type" "wmmx_wmul, wmmx_wqmulm")
86 (const_string "yes") (const_string "no"))
87 )
88
89 (define_attr "wmmxt_alu_c1" "yes,no"
90 (if_then_else (eq_attr "type" "wmmx_wabs, wmmx_wabsdiff, wmmx_wand,\
91 wmmx_wandn, wmmx_wmov, wmmx_wor, wmmx_wxor")
92 (const_string "yes") (const_string "no"))
93 )
94
95 (define_attr "wmmxt_alu_c2" "yes,no"
96 (if_then_else (eq_attr "type" "wmmx_wacc, wmmx_wadd, wmmx_waddsubhx,\
97 wmmx_wavg2, wmmx_wavg4, wmmx_wcmpeq,\
98 wmmx_wcmpgt, wmmx_wmax, wmmx_wmin,\
99 wmmx_wsub, wmmx_waddbhus, wmmx_wsubaddhx")
100 (const_string "yes") (const_string "no"))
101 )
102
103 (define_attr "wmmxt_alu_c3" "yes,no"
104 (if_then_else (eq_attr "type" "wmmx_wsad")
105 (const_string "yes") (const_string "no"))
106 )
107
108 (define_attr "wmmxt_transfer_c1" "yes,no"
109 (if_then_else (eq_attr "type" "wmmx_tbcst, wmmx_tinsr,\
110 wmmx_tmcr, wmmx_tmcrr")
111 (const_string "yes") (const_string "no"))
112 )
113
114 (define_attr "wmmxt_transfer_c2" "yes,no"
115 (if_then_else (eq_attr "type" "wmmx_textrm, wmmx_tmovmsk,\
116 wmmx_tmrc, wmmx_tmrrc")
117 (const_string "yes") (const_string "no"))
118 )
119
120 (define_attr "wmmxt_transfer_c3" "yes,no"
121 (if_then_else (eq_attr "type" "wmmx_tmia, wmmx_tmiaph, wmmx_tmiaxy")
122 (const_string "yes") (const_string "no"))
123 )
124
125 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
126 ;; Main description
127 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
128
129 (define_insn_reservation "marvell_f_iwmmxt_alu_c1" 1
130 (and (eq_attr "marvell_f_iwmmxt" "yes")
131 (eq_attr "wmmxt_alu_c1" "yes"))
132 "mf_iwmmxt_pipeline")
133
134 (define_insn_reservation "marvell_f_iwmmxt_pack" 1
135 (and (eq_attr "marvell_f_iwmmxt" "yes")
136 (eq_attr "wmmxt_pack" "yes"))
137 "mf_iwmmxt_pipeline")
138
139 (define_insn_reservation "marvell_f_iwmmxt_shift" 1
140 (and (eq_attr "marvell_f_iwmmxt" "yes")
141 (eq_attr "wmmxt_shift" "yes"))
142 "mf_iwmmxt_pipeline")
143
144 (define_insn_reservation "marvell_f_iwmmxt_transfer_c1" 1
145 (and (eq_attr "marvell_f_iwmmxt" "yes")
146 (eq_attr "wmmxt_transfer_c1" "yes"))
147 "mf_iwmmxt_pipeline")
148
149 (define_insn_reservation "marvell_f_iwmmxt_transfer_c2" 5
150 (and (eq_attr "marvell_f_iwmmxt" "yes")
151 (eq_attr "wmmxt_transfer_c2" "yes"))
152 "mf_iwmmxt_pipeline")
153
154 (define_insn_reservation "marvell_f_iwmmxt_alu_c2" 2
155 (and (eq_attr "marvell_f_iwmmxt" "yes")
156 (eq_attr "wmmxt_alu_c2" "yes"))
157 "mf_iwmmxt_pipeline")
158
159 (define_insn_reservation "marvell_f_iwmmxt_alu_c3" 3
160 (and (eq_attr "marvell_f_iwmmxt" "yes")
161 (eq_attr "wmmxt_alu_c3" "yes"))
162 "mf_iwmmxt_pipeline")
163
164 (define_insn_reservation "marvell_f_iwmmxt_transfer_c3" 4
165 (and (eq_attr "marvell_f_iwmmxt" "yes")
166 (eq_attr "wmmxt_transfer_c3" "yes"))
167 "mf_iwmmxt_pipeline")
168
169 (define_insn_reservation "marvell_f_iwmmxt_mult_c1" 4
170 (and (eq_attr "marvell_f_iwmmxt" "yes")
171 (eq_attr "wmmxt_mult_c1" "yes"))
172 "mf_iwmmxt_pipeline")
173
174 ;There is a forwarding path from ME3 stage
175 (define_insn_reservation "marvell_f_iwmmxt_mult_c2" 3
176 (and (eq_attr "marvell_f_iwmmxt" "yes")
177 (eq_attr "wmmxt_mult_c2" "yes"))
178 "mf_iwmmxt_pipeline")
179
180 (define_insn_reservation "marvell_f_iwmmxt_wstr" 0
181 (and (eq_attr "marvell_f_iwmmxt" "yes")
182 (eq_attr "type" "wmmx_wstr"))
183 "mf_iwmmxt_pipeline")
184
185 ;There is a forwarding path from MW stage
186 (define_insn_reservation "marvell_f_iwmmxt_wldr" 5
187 (and (eq_attr "marvell_f_iwmmxt" "yes")
188 (eq_attr "type" "wmmx_wldr"))
189 "mf_iwmmxt_pipeline")