1 ;; Scheduling description for Motorola PowerPC 7450 processor.
2 ;; Copyright (C) 2003-2013 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,load_ext,load_ext_u,load_ext_ux,\
47 load_ux,load_u,vecload")
48 (eq_attr "cpu" "ppc7450"))
49 "ppc7450_du,lsu_7450")
51 (define_insn_reservation "ppc7450-store" 3
52 (and (eq_attr "type" "store,store_ux,store_u,vecstore")
53 (eq_attr "cpu" "ppc7450"))
54 "ppc7450_du,lsu_7450")
56 (define_insn_reservation "ppc7450-fpload" 4
57 (and (eq_attr "type" "fpload,fpload_ux,fpload_u")
58 (eq_attr "cpu" "ppc7450"))
59 "ppc7450_du,lsu_7450")
61 (define_insn_reservation "ppc7450-fpstore" 3
62 (and (eq_attr "type" "fpstore,fpstore_ux,fpstore_u")
63 (eq_attr "cpu" "ppc7450"))
64 "ppc7450_du,lsu_7450*3")
66 (define_insn_reservation "ppc7450-llsc" 3
67 (and (eq_attr "type" "load_l,store_c")
68 (eq_attr "cpu" "ppc7450"))
69 "ppc7450_du,lsu_7450")
71 (define_insn_reservation "ppc7450-sync" 35
72 (and (eq_attr "type" "sync")
73 (eq_attr "cpu" "ppc7450"))
74 "ppc7450_du,lsu_7450")
76 (define_insn_reservation "ppc7450-integer" 1
77 (and (eq_attr "type" "integer,insert_word,insert_dword,shift,\
78 trap,var_shift_rotate,cntlz,exts,isel")
79 (eq_attr "cpu" "ppc7450"))
80 "ppc7450_du,iu1_7450|iu2_7450|iu3_7450")
82 (define_insn_reservation "ppc7450-two" 1
83 (and (eq_attr "type" "two")
84 (eq_attr "cpu" "ppc7450"))
85 "ppc7450_du,iu1_7450|iu2_7450|iu3_7450,iu1_7450|iu2_7450|iu3_7450")
87 (define_insn_reservation "ppc7450-three" 1
88 (and (eq_attr "type" "three")
89 (eq_attr "cpu" "ppc7450"))
90 "ppc7450_du,iu1_7450|iu2_7450|iu3_7450,\
91 iu1_7450|iu2_7450|iu3_7450,iu1_7450|iu2_7450|iu3_7450")
93 (define_insn_reservation "ppc7450-imul" 4
94 (and (eq_attr "type" "imul,imul_compare")
95 (eq_attr "cpu" "ppc7450"))
96 "ppc7450_du,mciu_7450*2")
98 (define_insn_reservation "ppc7450-imul2" 3
99 (and (eq_attr "type" "imul2,imul3")
100 (eq_attr "cpu" "ppc7450"))
101 "ppc7450_du,mciu_7450")
103 (define_insn_reservation "ppc7450-idiv" 23
104 (and (eq_attr "type" "idiv")
105 (eq_attr "cpu" "ppc7450"))
106 "ppc7450_du,mciu_7450*23")
108 (define_insn_reservation "ppc7450-compare" 2
109 (and (eq_attr "type" "cmp,fast_compare,compare,delayed_compare,\
110 var_delayed_compare")
111 (eq_attr "cpu" "ppc7450"))
112 "ppc7450_du,(iu1_7450|iu2_7450|iu3_7450)")
114 (define_insn_reservation "ppc7450-fpcompare" 5
115 (and (eq_attr "type" "fpcompare")
116 (eq_attr "cpu" "ppc7450"))
117 "ppc7450_du,fpu_7450")
119 (define_insn_reservation "ppc7450-fp" 5
120 (and (eq_attr "type" "fp,dmul")
121 (eq_attr "cpu" "ppc7450"))
122 "ppc7450_du,fpu_7450")
124 ; Divides are not pipelined
125 (define_insn_reservation "ppc7450-sdiv" 21
126 (and (eq_attr "type" "sdiv")
127 (eq_attr "cpu" "ppc7450"))
128 "ppc7450_du,fpu_7450*21")
130 (define_insn_reservation "ppc7450-ddiv" 35
131 (and (eq_attr "type" "ddiv")
132 (eq_attr "cpu" "ppc7450"))
133 "ppc7450_du,fpu_7450*35")
135 (define_insn_reservation "ppc7450-mfcr" 2
136 (and (eq_attr "type" "mfcr,mtcr")
137 (eq_attr "cpu" "ppc7450"))
138 "ppc7450_du,mciu_7450")
140 (define_insn_reservation "ppc7450-crlogical" 1
141 (and (eq_attr "type" "cr_logical,delayed_cr")
142 (eq_attr "cpu" "ppc7450"))
143 "ppc7450_du,mciu_7450")
145 (define_insn_reservation "ppc7450-mtjmpr" 2
146 (and (eq_attr "type" "mtjmpr")
147 (eq_attr "cpu" "ppc7450"))
148 "nothing,mciu_7450*2")
150 (define_insn_reservation "ppc7450-mfjmpr" 3
151 (and (eq_attr "type" "mfjmpr")
152 (eq_attr "cpu" "ppc7450"))
153 "nothing,mciu_7450*2")
155 (define_insn_reservation "ppc7450-jmpreg" 1
156 (and (eq_attr "type" "jmpreg,branch,isync")
157 (eq_attr "cpu" "ppc7450"))
161 (define_insn_reservation "ppc7450-vecsimple" 1
162 (and (eq_attr "type" "vecsimple")
163 (eq_attr "cpu" "ppc7450"))
164 "ppc7450_du,ppc7450_vec_du,vecsmpl_7450")
166 (define_insn_reservation "ppc7450-veccomplex" 4
167 (and (eq_attr "type" "veccomplex")
168 (eq_attr "cpu" "ppc7450"))
169 "ppc7450_du,ppc7450_vec_du,veccmplx_7450")
171 (define_insn_reservation "ppc7450-veccmp" 2
172 (and (eq_attr "type" "veccmp")
173 (eq_attr "cpu" "ppc7450"))
174 "ppc7450_du,ppc7450_vec_du,veccmplx_7450")
176 (define_insn_reservation "ppc7450-vecfloat" 4
177 (and (eq_attr "type" "vecfloat")
178 (eq_attr "cpu" "ppc7450"))
179 "ppc7450_du,ppc7450_vec_du,vecflt_7450")
181 (define_insn_reservation "ppc7450-vecperm" 2
182 (and (eq_attr "type" "vecperm")
183 (eq_attr "cpu" "ppc7450"))
184 "ppc7450_du,ppc7450_vec_du,vecperm_7450")