131
|
1 ;; Scheduler information for C-SKY CK801 processors.
|
|
2 ;; Copyright (C) 2018 Free Software Foundation, Inc.
|
|
3 ;; Contributed by C-SKY Microsystems and Mentor Graphics.
|
|
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 by
|
|
9 ;; the Free Software Foundation; either version 3, or (at your option)
|
|
10 ;; any later version.
|
|
11 ;;
|
|
12 ;; GCC is distributed in the hope that it will be useful, but
|
|
13 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
15 ;; General Public 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 ;; This is just a placeholder for a more accurate pipeline
|
|
22 ;; description for CK801.
|
|
23
|
|
24 (define_automaton "ck801")
|
|
25
|
|
26 (define_cpu_unit "ck801_ex1" "ck801")
|
|
27 (define_cpu_unit "ck801_exit" "ck801")
|
|
28
|
|
29 (define_insn_reservation "ck801_generic" 1
|
|
30 (and (match_test "CSKY_TARGET_ARCH (CK801)")
|
|
31 (eq_attr "type" "alu,cmp,branch,cbranch,addsub,alu_ix,branch_jmp,call_jsr,call"))
|
|
32 "ck801_ex1+ck801_exit")
|
|
33
|
|
34 (define_insn_reservation "ck801_load" 1
|
|
35 (and (match_test "CSKY_TARGET_ARCH (CK801)")
|
|
36 (and (eq_attr "type" "load")
|
|
37 (match_test "!csky_minipool_load_p (insn)")))
|
|
38 "ck801_ex1+ck801_exit")
|
|
39
|
|
40 (define_insn_reservation "ck801_pool" 1
|
|
41 (and (match_test "CSKY_TARGET_ARCH (CK801)")
|
|
42 (and (eq_attr "type" "load")
|
|
43 (match_test "csky_minipool_load_p (insn)")))
|
|
44 "ck801_ex1+ck801_exit")
|
|
45
|
|
46 (define_insn_reservation "ck801_store" 1
|
|
47 (and (match_test "CSKY_TARGET_ARCH (CK801)")
|
|
48 (eq_attr "type" "store"))
|
|
49 "ck801_ex1+ck801_exit")
|
|
50
|
|
51 ;; Switching between constant pool loads and loads/stores in the data section
|
|
52 ;; carries an extra penalty.
|
|
53 (define_bypass 2 "ck801_load,ck801_store" "ck801_pool")
|
|
54 (define_bypass 2 "ck801_pool" "ck801_load,ck801_store")
|