1;; Pipeline description for Freescale PowerPC e6500 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;; e6500 64-bit SFX(2), CFX, LSU, FPU, BU, VSFX, VCFX, VFPU, VPERM
22;; Max issue 3 insns/clock cycle (includes 1 branch)
23
24(define_automaton "e6500_most,e6500_long,e6500_vec")
25(define_cpu_unit "e6500_decode_0,e6500_decode_1" "e6500_most")
26
27;; SFX.
28(define_cpu_unit "e6500_sfx_0,e6500_sfx_1" "e6500_most")
29
30;; CFX.
31(define_cpu_unit "e6500_cfx_stage0,e6500_cfx_stage1" "e6500_most")
32
33;; Non-pipelined division.
34(define_cpu_unit "e6500_cfx_div" "e6500_long")
35
36;; LSU.
37(define_cpu_unit "e6500_lsu" "e6500_most")
38
39;; FPU.
40(define_cpu_unit "e6500_fpu" "e6500_long")
41
42;; BU.
43(define_cpu_unit "e6500_bu" "e6500_most")
44
45;; Altivec unit
46(define_cpu_unit "e6500_vec,e6500_vecperm" "e6500_vec")
47
48;; The following units are used to make the automata deterministic.
49(define_cpu_unit "present_e6500_decode_0" "e6500_most")
50(define_cpu_unit "present_e6500_sfx_0" "e6500_most")
51(presence_set "present_e6500_decode_0" "e6500_decode_0")
52(presence_set "present_e6500_sfx_0" "e6500_sfx_0")
53
54;; Some useful abbreviations.
55(define_reservation "e6500_decode"
56    "e6500_decode_0|e6500_decode_1+present_e6500_decode_0")
57(define_reservation "e6500_sfx"
58   "e6500_sfx_0|e6500_sfx_1+present_e6500_sfx_0")
59
60;; SFX.
61(define_insn_reservation "e6500_sfx" 1
62  (and (ior (eq_attr "type" "integer,insert,cntlz")
63	    (and (eq_attr "type" "add,logical,exts")
64		 (eq_attr "dot"  "no"))
65	    (and (eq_attr "type" "shift")
66		 (eq_attr "dot"  "no")
67		 (eq_attr "var_shift" "no")))
68       (eq_attr "cpu" "ppce6500"))
69  "e6500_decode,e6500_sfx")
70
71(define_insn_reservation "e6500_sfx2" 2
72  (and (ior (eq_attr "type" "cmp,trap")
73	    (and (eq_attr "type" "add,logical,exts")
74		 (eq_attr "dot"  "yes"))
75	    (and (eq_attr "type" "shift")
76		 (eq_attr "dot"  "yes")
77		 (eq_attr "var_shift" "no")))
78       (eq_attr "cpu" "ppce6500"))
79  "e6500_decode,e6500_sfx")
80
81(define_insn_reservation "e6500_delayed" 2
82  (and (eq_attr "type" "shift")
83       (eq_attr "var_shift" "yes")
84       (eq_attr "cpu" "ppce6500"))
85  "e6500_decode,e6500_sfx*2")
86
87(define_insn_reservation "e6500_two" 2
88  (and (eq_attr "type" "two")
89       (eq_attr "cpu" "ppce6500"))
90  "e6500_decode,e6500_decode+e6500_sfx,e6500_sfx")
91
92(define_insn_reservation "e6500_three" 3
93  (and (eq_attr "type" "three")
94       (eq_attr "cpu" "ppce6500"))
95  "e6500_decode,(e6500_decode+e6500_sfx)*2,e6500_sfx")
96
97;; SFX - Mfcr.
98(define_insn_reservation "e6500_mfcr" 4
99  (and (eq_attr "type" "mfcr")
100       (eq_attr "cpu" "ppce6500"))
101  "e6500_decode,e6500_sfx_0*4")
102
103;; SFX - Mtcrf.
104(define_insn_reservation "e6500_mtcrf" 1
105  (and (eq_attr "type" "mtcr")
106       (eq_attr "cpu" "ppce6500"))
107  "e6500_decode,e6500_sfx_0")
108
109;; SFX - Mtjmpr.
110(define_insn_reservation "e6500_mtjmpr" 1
111  (and (eq_attr "type" "mtjmpr,mfjmpr")
112       (eq_attr "cpu" "ppce6500"))
113  "e6500_decode,e6500_sfx")
114
115;; CFX - Multiply.
116(define_insn_reservation "e6500_multiply" 4
117  (and (eq_attr "type" "mul")
118       (eq_attr "dot" "no")
119       (eq_attr "size" "32")
120       (eq_attr "cpu" "ppce6500"))
121  "e6500_decode,e6500_cfx_stage0,e6500_cfx_stage1")
122
123(define_insn_reservation "e6500_multiply_i" 5
124  (and (eq_attr "type" "mul")
125       (ior (eq_attr "dot" "yes")
126	    (eq_attr "size" "8,16"))
127       (eq_attr "cpu" "ppce6500"))
128  "e6500_decode,e6500_cfx_stage0,\
129   e6500_cfx_stage0+e6500_cfx_stage1,e6500_cfx_stage1")
130
131;; CFX - Divide.
132(define_insn_reservation "e6500_divide" 16
133  (and (eq_attr "type" "div")
134       (eq_attr "size" "32")
135       (eq_attr "cpu" "ppce6500"))
136  "e6500_decode,e6500_cfx_stage0+e6500_cfx_div,\
137   e6500_cfx_div*15")
138
139(define_insn_reservation "e6500_divide_d" 26
140  (and (eq_attr "type" "div")
141       (eq_attr "size" "64")
142       (eq_attr "cpu" "ppce6500"))
143  "e6500_decode,e6500_cfx_stage0+e6500_cfx_div,\
144   e6500_cfx_div*25")
145
146;; LSU - Loads.
147(define_insn_reservation "e6500_load" 3
148  (and (eq_attr "type" "load,load_l,sync")
149       (eq_attr "cpu" "ppce6500"))
150  "e6500_decode,e6500_lsu")
151
152(define_insn_reservation "e6500_fpload" 4
153  (and (eq_attr "type" "fpload")
154       (eq_attr "cpu" "ppce6500"))
155  "e6500_decode,e6500_lsu")
156
157(define_insn_reservation "e6500_vecload" 4
158  (and (eq_attr "type" "vecload")
159       (eq_attr "cpu" "ppce6500"))
160  "e6500_decode,e6500_lsu")
161
162;; LSU - Stores.
163(define_insn_reservation "e6500_store" 3
164  (and (eq_attr "type" "store,store_c")
165       (eq_attr "cpu" "ppce6500"))
166  "e6500_decode,e6500_lsu")
167
168(define_insn_reservation "e6500_fpstore" 3
169  (and (eq_attr "type" "fpstore")
170       (eq_attr "cpu" "ppce6500"))
171  "e6500_decode,e6500_lsu")
172
173(define_insn_reservation "e6500_vecstore" 4
174  (and (eq_attr "type" "vecstore")
175       (eq_attr "cpu" "ppce6500"))
176  "e6500_decode,e6500_lsu")
177
178;; FP.
179(define_insn_reservation "e6500_float" 7
180  (and (eq_attr "type" "fpsimple,fp,fpcompare,dmul")
181       (eq_attr "cpu" "ppce6500"))
182  "e6500_decode,e6500_fpu")
183
184(define_insn_reservation "e6500_sdiv" 20
185  (and (eq_attr "type" "sdiv")
186       (eq_attr "cpu" "ppce6500"))
187  "e6500_decode,e6500_fpu*20")
188
189(define_insn_reservation "e6500_ddiv" 35
190  (and (eq_attr "type" "ddiv")
191       (eq_attr "cpu" "ppce6500"))
192  "e6500_decode,e6500_fpu*35")
193
194;; BU.
195(define_insn_reservation "e6500_branch" 1
196  (and (eq_attr "type" "jmpreg,branch,isync")
197       (eq_attr "cpu" "ppce6500"))
198  "e6500_decode,e6500_bu")
199
200;; BU - CR logical.
201(define_insn_reservation "e6500_cr_logical" 1
202  (and (eq_attr "type" "cr_logical")
203       (eq_attr "cpu" "ppce6500"))
204  "e6500_decode,e6500_bu")
205
206;; VSFX.
207(define_insn_reservation "e6500_vecsimple" 1
208  (and (eq_attr "type" "vecsimple,veclogical,vecmove,veccmp,veccmpfx")
209       (eq_attr "cpu" "ppce6500"))
210  "e6500_decode,e6500_vec")
211
212;; VCFX.
213(define_insn_reservation "e6500_veccomplex" 4
214  (and (eq_attr "type" "veccomplex")
215       (eq_attr "cpu" "ppce6500"))
216  "e6500_decode,e6500_vec")
217
218;; VFPU.
219(define_insn_reservation "e6500_vecfloat" 6
220  (and (eq_attr "type" "vecfloat")
221       (eq_attr "cpu" "ppce6500"))
222  "e6500_decode,e6500_vec")
223
224;; VPERM.
225(define_insn_reservation "e6500_vecperm" 2
226  (and (eq_attr "type" "vecperm")
227       (eq_attr "cpu" "ppce6500"))
228  "e6500_decode,e6500_vecperm")
229