1;; Copyright (C) 2002-2015 Free Software Foundation, Inc.
2;;
3;; This file is part of GCC.
4;;
5;; GCC is free software; you can redistribute it and/or modify
6;; it under the terms of the GNU General Public License as published by
7;; the Free Software Foundation; either version 3, or (at your option)
8;; any later version.
9;;
10;; GCC is distributed in the hope that it will be useful,
11;; but WITHOUT ANY WARRANTY; without even the implied warranty of
12;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13;; GNU General Public License for more details.
14;;
15;; You should have received a copy of the GNU General Public License
16;; along with GCC; see the file COPYING3.  If not see
17;; <http://www.gnu.org/licenses/>.
18;;
19;; DFA-based pipeline description for 5400
20(define_automaton "vr54")
21(define_cpu_unit "vr54_dp0"     "vr54")
22(define_cpu_unit "vr54_dp1"     "vr54")
23(define_cpu_unit "vr54_mem"     "vr54")
24(define_cpu_unit "vr54_mac"     "vr54")
25
26;;
27;; The ordering of the instruction-execution-path/resource-usage
28;; descriptions (also known as reservation RTL) is roughly ordered
29;; based on the define attribute RTL for the "type" classification.
30;; When modifying, remember that the first test that matches is the
31;; reservation used!
32;;
33
34(define_insn_reservation "ir_vr54_unknown" 1
35  (and (eq_attr "cpu" "r5400")
36       (eq_attr "type" "unknown,atomic,syncloop"))
37  "vr54_dp0+vr54_dp1+vr54_mem+vr54_mac")
38
39;; Assume prediction fails.
40(define_insn_reservation "ir_vr54_branch" 3
41  (and (eq_attr "cpu" "r5400")
42       (eq_attr "type" "branch,jump,call"))
43  "vr54_dp0|vr54_dp1")
44
45(define_insn_reservation "ir_vr54_load" 2
46  (and (eq_attr "cpu" "r5400")
47       (eq_attr "type" "load,fpload,fpidxload"))
48  "vr54_mem")
49
50(define_insn_reservation "ir_vr54_store" 1
51  (and (eq_attr "cpu" "r5400")
52       (eq_attr "type" "store"))
53  "vr54_mem")
54
55(define_insn_reservation "ir_vr54_fstore" 1
56  (and (eq_attr "cpu" "r5400")
57       (eq_attr "type" "fpstore,fpidxstore"))
58  "vr54_mem")
59
60
61;; This reservation is for conditional move based on integer
62;; or floating point CC.
63(define_insn_reservation "ir_vr54_condmove" 4
64  (and (eq_attr "cpu" "r5400")
65       (eq_attr "type" "condmove"))
66  "vr54_dp0|vr54_dp1")
67
68;; Move to/from FPU registers
69(define_insn_reservation "ir_vr54_xfer" 2
70  (and (eq_attr "cpu" "r5400")
71       (eq_attr "type" "mfc,mtc"))
72  "vr54_dp0|vr54_dp1")
73
74(define_insn_reservation "ir_vr54_hilo" 1
75  (and (eq_attr "cpu" "r5400")
76       (eq_attr "type" "mthi,mtlo,mfhi,mflo"))
77  "vr54_dp0|vr54_dp1")
78
79(define_insn_reservation "ir_vr54_arith" 1
80  (and (eq_attr "cpu" "r5400")
81       (eq_attr "type" "arith,shift,signext,slt,clz,const,logical,move,nop,trap"))
82  "vr54_dp0|vr54_dp1")
83
84(define_insn_reservation "ir_vr54_imul_si" 3
85  (and (eq_attr "cpu" "r5400")
86       (and (eq_attr "type" "imul,imul3")
87            (eq_attr "mode" "SI")))
88  "vr54_dp0|vr54_dp1")
89
90(define_insn_reservation "ir_vr54_imul_di" 4
91  (and (eq_attr "cpu" "r5400")
92       (and (eq_attr "type" "imul,imul3")
93            (eq_attr "mode" "DI")))
94  "vr54_dp0|vr54_dp1")
95
96(define_insn_reservation "ir_vr54_imadd_si" 3
97  (and (eq_attr "cpu" "r5400")
98       (eq_attr "type" "imul,imul3"))
99  "vr54_mac")
100
101(define_insn_reservation "ir_vr54_idiv_si" 42
102  (and (eq_attr "cpu" "r5400")
103       (and (eq_attr "type" "idiv")
104            (eq_attr "mode" "SI")))
105  "vr54_dp0|vr54_dp1")
106
107(define_insn_reservation "ir_vr54_idiv_di" 74
108  (and (eq_attr "cpu" "r5400")
109       (and (eq_attr "type" "idiv")
110            (eq_attr "mode" "DI")))
111  "vr54_dp0|vr54_dp1")
112
113(define_insn_reservation "ir_vr54_fadd" 4
114  (and (eq_attr "cpu" "r5400")
115       (eq_attr "type" "fadd"))
116  "vr54_dp0|vr54_dp1")
117
118(define_insn_reservation "ir_vr54_fmul_sf" 5
119  (and (eq_attr "cpu" "r5400")
120       (and (eq_attr "type" "fmul")
121            (eq_attr "mode" "SF")))
122  "vr54_dp0|vr54_dp1")
123
124(define_insn_reservation "ir_vr54_fmul_df" 6
125  (and (eq_attr "cpu" "r5400")
126       (and (eq_attr "type" "fmul")
127            (eq_attr "mode" "DF")))
128  "vr54_dp0|vr54_dp1")
129
130(define_insn_reservation "ir_vr54_fmadd_sf" 9
131  (and (eq_attr "cpu" "r5400")
132       (and (eq_attr "type" "fmadd")
133            (eq_attr "mode" "SF")))
134  "vr54_dp0|vr54_dp1")
135
136(define_insn_reservation "ir_vr54_fmadd_df" 10
137  (and (eq_attr "cpu" "r5400")
138       (and (eq_attr "type" "fmadd")
139            (eq_attr "mode" "DF")))
140  "vr54_dp0|vr54_dp1")
141
142(define_insn_reservation "ir_vr54_fdiv_sf" 42
143  (and (eq_attr "cpu" "r5400")
144       (and (eq_attr "type" "fdiv,frdiv,fsqrt")
145            (eq_attr "mode" "SF")))
146  "vr54_dp0|vr54_dp1")
147
148(define_insn_reservation "ir_vr54_fdiv_df" 72
149  (and (eq_attr "cpu" "r5400")
150       (and (eq_attr "type" "fdiv,frdiv,fsqrt")
151            (eq_attr "mode" "DF")))
152  "vr54_dp0|vr54_dp1")
153
154(define_insn_reservation "ir_vr54_fabs" 2
155  (and (eq_attr "cpu" "r5400")
156       (eq_attr "type" "fabs,fneg,fmove"))
157  "vr54_dp0|vr54_dp1")
158
159(define_insn_reservation "ir_vr54_fcmp" 2
160  (and (eq_attr "cpu" "r5400")
161       (eq_attr "type" "fcmp"))
162  "vr54_dp0|vr54_dp1")
163
164(define_insn_reservation "ir_vr54_fcvt" 6
165  (and (eq_attr "cpu" "r5400")
166       (eq_attr "type" "fcvt"))
167  "vr54_dp0|vr54_dp1")
168
169(define_insn_reservation "ir_vr54_frsqrt_sf" 61
170  (and (eq_attr "cpu" "r5400")
171       (and (eq_attr "type" "frsqrt")
172            (eq_attr "mode" "SF")))
173  "vr54_dp0|vr54_dp1")
174
175(define_insn_reservation "ir_vr54_frsqrt_df" 121
176  (and (eq_attr "cpu" "r5400")
177       (and (eq_attr "type" "frsqrt")
178            (eq_attr "mode" "DF")))
179  "vr54_dp0|vr54_dp1")
180
181(define_insn_reservation "ir_vr54_multi" 1
182  (and (eq_attr "cpu" "r5400")
183       (eq_attr "type" "multi"))
184  "vr54_dp0+vr54_dp1+vr54_mem+vr54_mac")
185