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comparison gcc/config/csky/csky_pipeline_ck801.md @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
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")