1;; Generic DFA-based pipeline description for RISC-V targets.
2;; Copyright (C) 2011-2018 Free Software Foundation, Inc.
3;; Contributed by Andrew Waterman (andrew@sifive.com).
4;; Based on MIPS target for GNU compiler.
5
6;; This file is part of GCC.
7
8;; GCC is free software; you can redistribute it and/or modify it
9;; under the terms of the GNU General Public License as published
10;; by the Free Software Foundation; either version 3, or (at your
11;; option) any later version.
12
13;; GCC is distributed in the hope that it will be useful, but WITHOUT
14;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
16;; License for more details.
17
18;; You should have received a copy of the GNU General Public License
19;; along with GCC; see the file COPYING3.  If not see
20;; <http://www.gnu.org/licenses/>.
21
22
23(define_automaton "pipe0")
24(define_cpu_unit "alu" "pipe0")
25(define_cpu_unit "imuldiv" "pipe0")
26(define_cpu_unit "fdivsqrt" "pipe0")
27
28(define_insn_reservation "generic_alu" 1
29  (eq_attr "type" "unknown,const,arith,shift,slt,multi,nop,logical,move")
30  "alu")
31
32(define_insn_reservation "generic_load" 3
33  (eq_attr "type" "load,fpload")
34  "alu")
35
36(define_insn_reservation "generic_store" 1
37  (eq_attr "type" "store,fpstore")
38  "alu")
39
40(define_insn_reservation "generic_xfer" 3
41  (eq_attr "type" "mfc,mtc,fcvt,fmove,fcmp")
42  "alu")
43
44(define_insn_reservation "generic_branch" 1
45  (eq_attr "type" "branch,jump,call")
46  "alu")
47
48(define_insn_reservation "generic_imul" 10
49  (eq_attr "type" "imul")
50  "imuldiv*10")
51
52(define_insn_reservation "generic_idivsi" 34
53  (and (eq_attr "type" "idiv")
54       (eq_attr "mode" "SI"))
55  "imuldiv*34")
56
57(define_insn_reservation "generic_idivdi" 66
58  (and (eq_attr "type" "idiv")
59       (eq_attr "mode" "DI"))
60  "imuldiv*66")
61
62(define_insn_reservation "generic_fmul_single" 5
63  (and (eq_attr "type" "fadd,fmul,fmadd")
64       (eq_attr "mode" "SF"))
65  "alu")
66
67(define_insn_reservation "generic_fmul_double" 7
68  (and (eq_attr "type" "fadd,fmul,fmadd")
69       (eq_attr "mode" "DF"))
70  "alu")
71
72(define_insn_reservation "generic_fdiv" 20
73  (eq_attr "type" "fdiv")
74  "fdivsqrt*20")
75
76(define_insn_reservation "generic_fsqrt" 25
77  (eq_attr "type" "fsqrt")
78  "fdivsqrt*25")
79