1;; Pipeline description for Freescale PowerPC e5500 core.
2;;   Copyright (C) 2012-2020 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.
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;; e5500 64-bit SFX(2), CFX, LSU, FPU, BU
22;; Max issue 3 insns/clock cycle (includes 1 branch)
23
24(define_automaton "e5500_most,e5500_long")
25(define_cpu_unit "e5500_decode_0,e5500_decode_1" "e5500_most")
26
27;; SFX.
28(define_cpu_unit "e5500_sfx_0,e5500_sfx_1" "e5500_most")
29
30;; CFX.
31(define_cpu_unit "e5500_cfx_stage0,e5500_cfx_stage1" "e5500_most")
32
33;; Non-pipelined division.
34(define_cpu_unit "e5500_cfx_div" "e5500_long")
35
36;; LSU.
37(define_cpu_unit "e5500_lsu" "e5500_most")
38
39;; FPU.
40(define_cpu_unit "e5500_fpu" "e5500_long")
41
42;; BU.
43(define_cpu_unit "e5500_bu" "e5500_most")
44
45;; The following units are used to make the automata deterministic.
46(define_cpu_unit "present_e5500_decode_0" "e5500_most")
47(define_cpu_unit "present_e5500_sfx_0" "e5500_most")
48(presence_set "present_e5500_decode_0" "e5500_decode_0")
49(presence_set "present_e5500_sfx_0" "e5500_sfx_0")
50
51;; Some useful abbreviations.
52(define_reservation "e5500_decode"
53    "e5500_decode_0|e5500_decode_1+present_e5500_decode_0")
54(define_reservation "e5500_sfx"
55   "e5500_sfx_0|e5500_sfx_1+present_e5500_sfx_0")
56
57;; SFX.
58(define_insn_reservation "e5500_sfx" 1
59  (and (ior (eq_attr "type" "integer,insert,cntlz")
60	    (and (eq_attr "type" "add,logical,exts")
61		 (eq_attr "dot" "no"))
62	    (and (eq_attr "type" "shift")
63		 (eq_attr "var_shift" "no")))
64       (eq_attr "cpu" "ppce5500"))
65  "e5500_decode,e5500_sfx")
66
67(define_insn_reservation "e5500_sfx2" 2
68  (and (ior (eq_attr "type" "cmp,trap")
69	    (and (eq_attr "type" "add,logical,exts")
70		 (eq_attr "dot"  "yes"))
71	    (and (eq_attr "type" "shift")
72		 (eq_attr "dot"  "yes")
73		 (eq_attr "var_shift" "no")))
74       (eq_attr "cpu" "ppce5500"))
75  "e5500_decode,e5500_sfx")
76
77(define_insn_reservation "e5500_delayed" 2
78  (and (eq_attr "type" "shift")
79       (eq_attr "var_shift" "yes")
80       (eq_attr "cpu" "ppce5500"))
81  "e5500_decode,e5500_sfx*2")
82
83(define_insn_reservation "e5500_two" 2
84  (and (eq_attr "type" "two")
85       (eq_attr "cpu" "ppce5500"))
86  "e5500_decode,e5500_decode+e5500_sfx,e5500_sfx")
87
88(define_insn_reservation "e5500_three" 3
89  (and (eq_attr "type" "three")
90       (eq_attr "cpu" "ppce5500"))
91  "e5500_decode,(e5500_decode+e5500_sfx)*2,e5500_sfx")
92
93;; SFX - Mfcr.
94(define_insn_reservation "e5500_mfcr" 4
95  (and (eq_attr "type" "mfcr")
96       (eq_attr "cpu" "ppce5500"))
97  "e5500_decode,e5500_sfx_0*4")
98
99;; SFX - Mtcrf.
100(define_insn_reservation "e5500_mtcrf" 1
101  (and (eq_attr "type" "mtcr")
102       (eq_attr "cpu" "ppce5500"))
103  "e5500_decode,e5500_sfx_0")
104
105;; SFX - Mtjmpr.
106(define_insn_reservation "e5500_mtjmpr" 1
107  (and (eq_attr "type" "mtjmpr,mfjmpr")
108       (eq_attr "cpu" "ppce5500"))
109  "e5500_decode,e5500_sfx")
110
111;; CFX - Multiply.
112(define_insn_reservation "e5500_multiply" 4
113  (and (eq_attr "type" "mul")
114       (eq_attr "dot" "no")
115       (eq_attr "size" "32")
116       (eq_attr "cpu" "ppce5500"))
117  "e5500_decode,e5500_cfx_stage0,e5500_cfx_stage1")
118
119(define_insn_reservation "e5500_multiply_i" 5
120  (and (eq_attr "type" "mul")
121       (ior (eq_attr "dot" "yes")
122	    (eq_attr "size" "8,16"))
123       (eq_attr "cpu" "ppce5500"))
124  "e5500_decode,e5500_cfx_stage0,\
125   e5500_cfx_stage0+e5500_cfx_stage1,e5500_cfx_stage1")
126
127;; CFX - Divide.
128(define_insn_reservation "e5500_divide" 16
129  (and (eq_attr "type" "div")
130       (eq_attr "size" "32")
131       (eq_attr "cpu" "ppce5500"))
132  "e5500_decode,e5500_cfx_stage0+e5500_cfx_div,\
133   e5500_cfx_div*15")
134
135(define_insn_reservation "e5500_divide_d" 26
136  (and (eq_attr "type" "div")
137       (eq_attr "size" "64")
138       (eq_attr "cpu" "ppce5500"))
139  "e5500_decode,e5500_cfx_stage0+e5500_cfx_div,\
140   e5500_cfx_div*25")
141
142;; LSU - Loads.
143(define_insn_reservation "e5500_load" 3
144  (and (eq_attr "type" "load,load_l,sync")
145       (eq_attr "cpu" "ppce5500"))
146  "e5500_decode,e5500_lsu")
147
148(define_insn_reservation "e5500_fpload" 4
149  (and (eq_attr "type" "fpload")
150       (eq_attr "cpu" "ppce5500"))
151  "e5500_decode,e5500_lsu")
152
153;; LSU - Stores.
154(define_insn_reservation "e5500_store" 3
155  (and (eq_attr "type" "store,store_c")
156       (eq_attr "cpu" "ppce5500"))
157  "e5500_decode,e5500_lsu")
158
159(define_insn_reservation "e5500_fpstore" 3
160  (and (eq_attr "type" "fpstore")
161       (eq_attr "cpu" "ppce5500"))
162  "e5500_decode,e5500_lsu")
163
164;; FP.
165(define_insn_reservation "e5500_float" 7
166  (and (eq_attr "type" "fpsimple,fp,fpcompare,dmul")
167       (eq_attr "cpu" "ppce5500"))
168  "e5500_decode,e5500_fpu")
169
170(define_insn_reservation "e5500_sdiv" 20
171  (and (eq_attr "type" "sdiv")
172       (eq_attr "cpu" "ppce5500"))
173  "e5500_decode,e5500_fpu*20")
174
175(define_insn_reservation "e5500_ddiv" 35
176  (and (eq_attr "type" "ddiv")
177       (eq_attr "cpu" "ppce5500"))
178  "e5500_decode,e5500_fpu*35")
179
180;; BU.
181(define_insn_reservation "e5500_branch" 1
182  (and (eq_attr "type" "jmpreg,branch,isync")
183       (eq_attr "cpu" "ppce5500"))
184  "e5500_decode,e5500_bu")
185
186;; BU - CR logical.
187(define_insn_reservation "e5500_cr_logical" 1
188  (and (eq_attr "type" "cr_logical")
189       (eq_attr "cpu" "ppce5500"))
190  "e5500_decode,e5500_bu")
191