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1 | ;; Instruction scheduling information for C-SKY CK810 processors. | |
2 | ;; Copyright (C) 2018-2020 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 | ||
22 | ;;------------------------------------------------------------- | |
23 | ;; Pipeline descriptions for ck810 | |
24 | ;;------------------------------------------------------------- | |
25 | ||
26 | (define_attr "cycle" "1,2,not_used_yet" | |
27 | (const_string "1")) | |
28 | (define_automaton "cskyv2_ck810") | |
29 | (define_cpu_unit "pipeline_alu0" "cskyv2_ck810") | |
30 | (define_insn_reservation "alu_one_cycle" 1 | |
31 | (and (eq_attr "cycle" "1") | |
32 | (not (ior (match_test "CSKY_TARGET_ARCH (CK803)") | |
33 | (match_test "CSKY_TARGET_ARCH (CK802)")))) | |
34 | "pipeline_alu0") |