1 ;; Scheduling description for Motorola PowerPC 7450 processor.
2 ;; Copyright (C) 2003, 2004 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 2, 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 COPYING. If not, write to the
18 ;; Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19 ;; MA 02111-1307, USA.
21 (define_automaton "ppc7450,ppc7450mciu,ppc7450fp,ppc7450vec")
22 (define_cpu_unit "iu1_7450,iu2_7450,iu3_7450" "ppc7450")
23 (define_cpu_unit "mciu_7450" "ppc7450mciu")
24 (define_cpu_unit "fpu_7450" "ppc7450fp")
25 (define_cpu_unit "lsu_7450,bpu_7450" "ppc7450")
26 (define_cpu_unit "du1_7450,du2_7450,du3_7450" "ppc7450")
27 (define_cpu_unit "vecsmpl_7450,veccmplx_7450,vecflt_7450,vecperm_7450" "ppc7450vec")
28 (define_cpu_unit "vdu1_7450,vdu2_7450" "ppc7450vec")
31 ;; PPC7450 32-bit 3xIU, MCIU, LSU, SRU, FPU, BPU, 4xVEC
32 ;; IU1,IU2,IU3 can perform all integer operations
33 ;; MCIU performs imul and idiv, cr logical, SPR moves
34 ;; LSU 2 stage pipelined
35 ;; FPU 3 stage pipelined
36 ;; It also has 4 vector units, one for each type of vector instruction.
37 ;; However, we can only dispatch 2 instructions per cycle.
38 ;; Max issue 3 insns/clock cycle (includes 1 branch)
41 ;; Branches go straight to the BPU. All other insns are handled
42 ;; by a dispatch unit which can issue a max of 3 insns per cycle.
43 (define_reservation "ppc7450_du" "du1_7450|du2_7450|du3_7450")
44 (define_reservation "ppc7450_vec_du" "vdu1_7450|vdu2_7450")
46 (define_insn_reservation "ppc7450-load" 3
47 (and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,\
48 load_ux,load_u,vecload")
49 (eq_attr "cpu" "ppc7450"))
50 "ppc7450_du,lsu_7450")
52 (define_insn_reservation "ppc7450-store" 3
53 (and (eq_attr "type" "store,store_ux,store_u,vecstore")
54 (eq_attr "cpu" "ppc7450"))
55 "ppc7450_du,lsu_7450")
57 (define_insn_reservation "ppc7450-fpload" 4
58 (and (eq_attr "type" "fpload,fpload_ux,fpload_u")
59 (eq_attr "cpu" "ppc7450"))
60 "ppc7450_du,lsu_7450")
62 (define_insn_reservation "ppc7450-fpstore" 3
63 (and (eq_attr "type" "fpstore,fpstore_ux,fpstore_u")
64 (eq_attr "cpu" "ppc7450"))
65 "ppc7450_du,lsu_7450*3")
67 (define_insn_reservation "ppc7450-integer" 1
68 (and (eq_attr "type" "integer,insert_word")
69 (eq_attr "cpu" "ppc7450"))
70 "ppc7450_du,iu1_7450|iu2_7450|iu3_7450")
72 (define_insn_reservation "ppc7450-two" 1
73 (and (eq_attr "type" "two")
74 (eq_attr "cpu" "ppc7450"))
75 "ppc7450_du,iu1_7450|iu2_7450|iu3_7450,iu1_7450|iu2_7450|iu3_7450")
77 (define_insn_reservation "ppc7450-three" 1
78 (and (eq_attr "type" "three")
79 (eq_attr "cpu" "ppc7450"))
80 "ppc7450_du,iu1_7450|iu2_7450|iu3_7450,\
81 iu1_7450|iu2_7450|iu3_7450,iu1_7450|iu2_7450|iu3_7450")
83 (define_insn_reservation "ppc7450-imul" 4
84 (and (eq_attr "type" "imul,imul_compare")
85 (eq_attr "cpu" "ppc7450"))
86 "ppc7450_du,mciu_7450*2")
88 (define_insn_reservation "ppc7450-imul2" 3
89 (and (eq_attr "type" "imul2,imul3")
90 (eq_attr "cpu" "ppc7450"))
91 "ppc7450_du,mciu_7450")
93 (define_insn_reservation "ppc7450-idiv" 23
94 (and (eq_attr "type" "idiv")
95 (eq_attr "cpu" "ppc7450"))
96 "ppc7450_du,mciu_7450*23")
98 (define_insn_reservation "ppc7450-compare" 2
99 (and (eq_attr "type" "cmp,fast_compare,compare,delayed_compare")
100 (eq_attr "cpu" "ppc7450"))
101 "ppc7450_du,(iu1_7450|iu2_7450|iu3_7450)")
103 (define_insn_reservation "ppc7450-fpcompare" 5
104 (and (eq_attr "type" "fpcompare")
105 (eq_attr "cpu" "ppc7450"))
106 "ppc7450_du,fpu_7450")
108 (define_insn_reservation "ppc7450-fp" 5
109 (and (eq_attr "type" "fp,dmul")
110 (eq_attr "cpu" "ppc7450"))
111 "ppc7450_du,fpu_7450")
113 ; Divides are not pipelined
114 (define_insn_reservation "ppc7450-sdiv" 21
115 (and (eq_attr "type" "sdiv")
116 (eq_attr "cpu" "ppc7450"))
117 "ppc7450_du,fpu_7450*21")
119 (define_insn_reservation "ppc7450-ddiv" 35
120 (and (eq_attr "type" "ddiv")
121 (eq_attr "cpu" "ppc7450"))
122 "ppc7450_du,fpu_7450*35")
124 (define_insn_reservation "ppc7450-mfcr" 2
125 (and (eq_attr "type" "mfcr,mtcr")
126 (eq_attr "cpu" "ppc7450"))
127 "ppc7450_du,mciu_7450")
129 (define_insn_reservation "ppc7450-crlogical" 1
130 (and (eq_attr "type" "cr_logical,delayed_cr")
131 (eq_attr "cpu" "ppc7450"))
132 "ppc7450_du,mciu_7450")
134 (define_insn_reservation "ppc7450-mtjmpr" 2
135 (and (eq_attr "type" "mtjmpr")
136 (eq_attr "cpu" "ppc7450"))
137 "nothing,mciu_7450*2")
139 (define_insn_reservation "ppc7450-mfjmpr" 3
140 (and (eq_attr "type" "mfjmpr")
141 (eq_attr "cpu" "ppc7450"))
142 "nothing,mciu_7450*2")
144 (define_insn_reservation "ppc7450-jmpreg" 1
145 (and (eq_attr "type" "jmpreg,branch")
146 (eq_attr "cpu" "ppc7450"))
150 (define_insn_reservation "ppc7450-vecsimple" 1
151 (and (eq_attr "type" "vecsimple")
152 (eq_attr "cpu" "ppc7450"))
153 "ppc7450_du,ppc7450_vec_du,vecsmpl_7450")
155 (define_insn_reservation "ppc7450-veccomplex" 4
156 (and (eq_attr "type" "veccomplex")
157 (eq_attr "cpu" "ppc7450"))
158 "ppc7450_du,ppc7450_vec_du,veccmplx_7450")
160 (define_insn_reservation "ppc7450-veccmp" 2
161 (and (eq_attr "type" "veccmp")
162 (eq_attr "cpu" "ppc7450"))
163 "ppc7450_du,ppc7450_vec_du,veccmplx_7450")
165 (define_insn_reservation "ppc7450-vecfloat" 4
166 (and (eq_attr "type" "vecfloat")
167 (eq_attr "cpu" "ppc7450"))
168 "ppc7450_du,ppc7450_vec_du,vecflt_7450")
170 (define_insn_reservation "ppc7450-vecperm" 2
171 (and (eq_attr "type" "vecperm")
172 (eq_attr "cpu" "ppc7450"))
173 "ppc7450_du,ppc7450_vec_du,vecperm_7450")