1 ;; Scheduling description for Motorola PowerPC 7450 processor.
2 ;; Copyright (C) 2003-2014 Free Software Foundation, Inc.
4 ;; This file is part of GCC.
6 ;; GCC is free software; you can redistribute it and/or modify it
7 ;; under the terms of the GNU General Public License as published
8 ;; by the Free Software Foundation; either version 3, or (at your
9 ;; option) any later version.
11 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
12 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
14 ;; License for more details.
16 ;; You should have received a copy of the GNU General Public License
17 ;; along with GCC; see the file COPYING3. If not see
18 ;; <http://www.gnu.org/licenses/>.
20 (define_automaton "ppc7450,ppc7450mciu,ppc7450fp,ppc7450vec")
21 (define_cpu_unit "iu1_7450,iu2_7450,iu3_7450" "ppc7450")
22 (define_cpu_unit "mciu_7450" "ppc7450mciu")
23 (define_cpu_unit "fpu_7450" "ppc7450fp")
24 (define_cpu_unit "lsu_7450,bpu_7450" "ppc7450")
25 (define_cpu_unit "du1_7450,du2_7450,du3_7450" "ppc7450")
26 (define_cpu_unit "vecsmpl_7450,veccmplx_7450,vecflt_7450,vecperm_7450" "ppc7450vec")
27 (define_cpu_unit "vdu1_7450,vdu2_7450" "ppc7450vec")
30 ;; PPC7450 32-bit 3xIU, MCIU, LSU, SRU, FPU, BPU, 4xVEC
31 ;; IU1,IU2,IU3 can perform all integer operations
32 ;; MCIU performs imul and idiv, cr logical, SPR moves
33 ;; LSU 2 stage pipelined
34 ;; FPU 3 stage pipelined
35 ;; It also has 4 vector units, one for each type of vector instruction.
36 ;; However, we can only dispatch 2 instructions per cycle.
37 ;; Max issue 3 insns/clock cycle (includes 1 branch)
40 ;; Branches go straight to the BPU. All other insns are handled
41 ;; by a dispatch unit which can issue a max of 3 insns per cycle.
42 (define_reservation "ppc7450_du" "du1_7450|du2_7450|du3_7450")
43 (define_reservation "ppc7450_vec_du" "vdu1_7450|vdu2_7450")
45 (define_insn_reservation "ppc7450-load" 3
46 (and (eq_attr "type" "load,vecload")
47 (eq_attr "cpu" "ppc7450"))
48 "ppc7450_du,lsu_7450")
50 (define_insn_reservation "ppc7450-store" 3
51 (and (eq_attr "type" "store,vecstore")
52 (eq_attr "cpu" "ppc7450"))
53 "ppc7450_du,lsu_7450")
55 (define_insn_reservation "ppc7450-fpload" 4
56 (and (eq_attr "type" "fpload")
57 (eq_attr "cpu" "ppc7450"))
58 "ppc7450_du,lsu_7450")
60 (define_insn_reservation "ppc7450-fpstore" 3
61 (and (eq_attr "type" "fpstore")
62 (eq_attr "cpu" "ppc7450"))
63 "ppc7450_du,lsu_7450*3")
65 (define_insn_reservation "ppc7450-llsc" 3
66 (and (eq_attr "type" "load_l,store_c")
67 (eq_attr "cpu" "ppc7450"))
68 "ppc7450_du,lsu_7450")
70 (define_insn_reservation "ppc7450-sync" 35
71 (and (eq_attr "type" "sync")
72 (eq_attr "cpu" "ppc7450"))
73 "ppc7450_du,lsu_7450")
75 (define_insn_reservation "ppc7450-integer" 1
76 (and (eq_attr "type" "integer,insert,shift,\
77 trap,var_shift_rotate,cntlz,exts,isel")
78 (eq_attr "cpu" "ppc7450"))
79 "ppc7450_du,iu1_7450|iu2_7450|iu3_7450")
81 (define_insn_reservation "ppc7450-two" 1
82 (and (eq_attr "type" "two")
83 (eq_attr "cpu" "ppc7450"))
84 "ppc7450_du,iu1_7450|iu2_7450|iu3_7450,iu1_7450|iu2_7450|iu3_7450")
86 (define_insn_reservation "ppc7450-three" 1
87 (and (eq_attr "type" "three")
88 (eq_attr "cpu" "ppc7450"))
89 "ppc7450_du,iu1_7450|iu2_7450|iu3_7450,\
90 iu1_7450|iu2_7450|iu3_7450,iu1_7450|iu2_7450|iu3_7450")
92 (define_insn_reservation "ppc7450-imul" 4
93 (and (eq_attr "type" "mul")
95 (eq_attr "cpu" "ppc7450"))
96 "ppc7450_du,mciu_7450*2")
98 (define_insn_reservation "ppc7450-imul2" 3
99 (and (eq_attr "type" "mul")
100 (eq_attr "size" "8,16")
101 (eq_attr "cpu" "ppc7450"))
102 "ppc7450_du,mciu_7450")
104 (define_insn_reservation "ppc7450-idiv" 23
105 (and (eq_attr "type" "idiv")
106 (eq_attr "cpu" "ppc7450"))
107 "ppc7450_du,mciu_7450*23")
109 (define_insn_reservation "ppc7450-compare" 2
110 (and (eq_attr "type" "cmp,fast_compare,compare,delayed_compare,\
111 var_delayed_compare")
112 (eq_attr "cpu" "ppc7450"))
113 "ppc7450_du,(iu1_7450|iu2_7450|iu3_7450)")
115 (define_insn_reservation "ppc7450-fpcompare" 5
116 (and (eq_attr "type" "fpcompare")
117 (eq_attr "cpu" "ppc7450"))
118 "ppc7450_du,fpu_7450")
120 (define_insn_reservation "ppc7450-fp" 5
121 (and (eq_attr "type" "fp,dmul")
122 (eq_attr "cpu" "ppc7450"))
123 "ppc7450_du,fpu_7450")
125 ; Divides are not pipelined
126 (define_insn_reservation "ppc7450-sdiv" 21
127 (and (eq_attr "type" "sdiv")
128 (eq_attr "cpu" "ppc7450"))
129 "ppc7450_du,fpu_7450*21")
131 (define_insn_reservation "ppc7450-ddiv" 35
132 (and (eq_attr "type" "ddiv")
133 (eq_attr "cpu" "ppc7450"))
134 "ppc7450_du,fpu_7450*35")
136 (define_insn_reservation "ppc7450-mfcr" 2
137 (and (eq_attr "type" "mfcr,mtcr")
138 (eq_attr "cpu" "ppc7450"))
139 "ppc7450_du,mciu_7450")
141 (define_insn_reservation "ppc7450-crlogical" 1
142 (and (eq_attr "type" "cr_logical,delayed_cr")
143 (eq_attr "cpu" "ppc7450"))
144 "ppc7450_du,mciu_7450")
146 (define_insn_reservation "ppc7450-mtjmpr" 2
147 (and (eq_attr "type" "mtjmpr")
148 (eq_attr "cpu" "ppc7450"))
149 "nothing,mciu_7450*2")
151 (define_insn_reservation "ppc7450-mfjmpr" 3
152 (and (eq_attr "type" "mfjmpr")
153 (eq_attr "cpu" "ppc7450"))
154 "nothing,mciu_7450*2")
156 (define_insn_reservation "ppc7450-jmpreg" 1
157 (and (eq_attr "type" "jmpreg,branch,isync")
158 (eq_attr "cpu" "ppc7450"))
162 (define_insn_reservation "ppc7450-vecsimple" 1
163 (and (eq_attr "type" "vecsimple")
164 (eq_attr "cpu" "ppc7450"))
165 "ppc7450_du,ppc7450_vec_du,vecsmpl_7450")
167 (define_insn_reservation "ppc7450-veccomplex" 4
168 (and (eq_attr "type" "veccomplex")
169 (eq_attr "cpu" "ppc7450"))
170 "ppc7450_du,ppc7450_vec_du,veccmplx_7450")
172 (define_insn_reservation "ppc7450-veccmp" 2
173 (and (eq_attr "type" "veccmp")
174 (eq_attr "cpu" "ppc7450"))
175 "ppc7450_du,ppc7450_vec_du,veccmplx_7450")
177 (define_insn_reservation "ppc7450-vecfloat" 4
178 (and (eq_attr "type" "vecfloat")
179 (eq_attr "cpu" "ppc7450"))
180 "ppc7450_du,ppc7450_vec_du,vecflt_7450")
182 (define_insn_reservation "ppc7450-vecperm" 2
183 (and (eq_attr "type" "vecperm")
184 (eq_attr "cpu" "ppc7450"))
185 "ppc7450_du,ppc7450_vec_du,vecperm_7450")