xref: /netbsd-src/external/gpl3/gcc.old/dist/gcc/config/csky/csky_pipeline_ck810.md (revision ae082add65442546470c0ba499a860ee89eed305)
1;; Instruction scheduling information for C-SKY CK810 processors.
2;; Copyright (C) 2018-2019 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")
35