1 ;; R3000 and TX39 pipeline description.
2 ;; Copyright (C) 2004-2018 Free Software Foundation, Inc.
4 ;; This file is part of GCC.
6 ;; GCC is free software; you can redistribute it and/or modify it
7 ;; under the terms of the GNU General Public License as published
8 ;; by the Free Software Foundation; either version 3, or (at your
9 ;; option) any later version.
11 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
12 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
14 ;; License for more details.
16 ;; You should have received a copy of the GNU General Public License
17 ;; along with GCC; see the file COPYING3. If not see
18 ;; <http://www.gnu.org/licenses/>.
21 ;; This file overrides parts of generic.md. It is derived from the
22 ;; old define_function_unit description.
24 (define_insn_reservation "r3k_load" 2
25 (and (eq_attr "cpu" "r3000,r3900")
26 (eq_attr "type" "load,fpload,fpidxload"))
29 (define_insn_reservation "r3k_imul" 12
30 (and (eq_attr "cpu" "r3000,r3900")
31 (eq_attr "type" "imul,imul3,imadd"))
34 (define_insn_reservation "r3k_idiv" 35
35 (and (eq_attr "cpu" "r3000,r3900")
36 (eq_attr "type" "idiv"))
39 (define_insn_reservation "r3k_fmove" 1
40 (and (eq_attr "cpu" "r3000,r3900")
41 (eq_attr "type" "fabs,fneg,fmove"))
44 (define_insn_reservation "r3k_fadd" 2
45 (and (eq_attr "cpu" "r3000,r3900")
46 (eq_attr "type" "fcmp,fadd"))
49 (define_insn_reservation "r3k_fmul_single" 4
50 (and (eq_attr "cpu" "r3000,r3900")
51 (and (eq_attr "type" "fmul,fmadd")
52 (eq_attr "mode" "SF")))
55 (define_insn_reservation "r3k_fmul_double" 5
56 (and (eq_attr "cpu" "r3000,r3900")
57 (and (eq_attr "type" "fmul,fmadd")
58 (eq_attr "mode" "DF")))
61 (define_insn_reservation "r3k_fdiv_single" 12
62 (and (eq_attr "cpu" "r3000,r3900")
63 (and (eq_attr "type" "fdiv,frdiv")
64 (eq_attr "mode" "SF")))
67 (define_insn_reservation "r3k_fdiv_double" 19
68 (and (eq_attr "cpu" "r3000,r3900")
69 (and (eq_attr "type" "fdiv,frdiv")
70 (eq_attr "mode" "DF")))