xref: /netbsd-src/external/gpl3/gcc.old/dist/gcc/config/tilegx/tilegx-generic.md (revision 8feb0f0b7eaff0608f8350bbfa3098827b4bb91b)
1;; Scheduling description for Tilera TILE-Gx chip.
2;; Copyright (C) 2011-2020 Free Software Foundation, Inc.
3;; Contributed by Walter Lee (walt@tilera.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(define_automaton "tile")
22
23; Make the scheduling automaton an ndfa.
24(automata_option "ndfa")
25
26; Name the three pipes.
27(define_cpu_unit "X0" "tile")
28(define_cpu_unit "X1" "tile")
29(define_cpu_unit "Y0" "tile")
30(define_cpu_unit "Y1" "tile")
31(define_cpu_unit "Y2" "tile")
32
33(define_insn_reservation "X0" 1
34  (eq_attr "type" "X0")
35  "X0")
36
37(define_insn_reservation "X0_2cycle" 2
38  (eq_attr "type" "X0_2cycle")
39  "X0,nothing")
40
41(define_insn_reservation "X1" 1
42  (eq_attr "type" "X1,X1_branch")
43  "X1")
44
45(define_insn_reservation "X1_2cycle" 2
46  (eq_attr "type" "X1_2cycle")
47  "X1,nothing")
48
49(define_insn_reservation "X1_L2" 11
50  (eq_attr "type" "X1_L2")
51  "X1")
52
53(define_insn_reservation "X1_remote" 50
54  (eq_attr "type" "X1_remote")
55  "X1")
56
57(define_insn_reservation "X1_miss" 80
58  (eq_attr "type" "X1_miss")
59  "X1")
60
61(define_insn_reservation "X01" 1
62  (eq_attr "type" "X01")
63  "X0|X1")
64
65(define_insn_reservation "Y0" 1
66  (eq_attr "type" "Y0")
67  "Y0|X0")
68
69(define_insn_reservation "Y0_2cycle" 2
70  (eq_attr "type" "Y0_2cycle")
71  "Y0|X0,nothing")
72
73(define_insn_reservation "Y1" 1
74  (eq_attr "type" "Y1")
75  "Y1|X1")
76
77(define_insn_reservation "Y2" 1
78  (eq_attr "type" "Y2")
79  "Y2|X1")
80
81(define_insn_reservation "Y2_2cycle" 2
82  (eq_attr "type" "Y2_2cycle")
83  "Y2|X1,nothing")
84
85(define_insn_reservation "Y2_L2" 11
86  (eq_attr "type" "Y2_L2")
87  "Y2|X1")
88
89(define_insn_reservation "Y2_miss" 80
90  (eq_attr "type" "Y2_miss")
91  "Y2|X1")
92
93(define_insn_reservation "Y01" 1
94  (eq_attr "type" "Y01")
95  "Y0|Y1|X0|X1")
96
97(define_insn_reservation "nothing" 0
98  (eq_attr "type" "nothing")
99  "nothing")
100
101(define_insn_reservation "cannot_bundle" 1
102  (eq_attr "type" "cannot_bundle")
103  "X0+X1")
104
105(define_insn_reservation "cannot_bundle_3cycle" 3
106  (eq_attr "type" "cannot_bundle_3cycle")
107  "X0+X1")
108
109(define_insn_reservation "cannot_bundle_4cycle" 4
110  (eq_attr "type" "cannot_bundle_4cycle")
111  "X0+X1")
112
113
114; A bundle must be in either X format or Y format.
115(exclusion_set "X0,X1" "Y0,Y1,Y2")
116