|
0
|
1 ;; R3000 and TX39 pipeline description.
|
|
|
2 ;; Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
|
|
|
3 ;;
|
|
|
4 ;; This file is part of GCC.
|
|
|
5
|
|
|
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.
|
|
|
10
|
|
|
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.
|
|
|
15
|
|
|
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/>.
|
|
|
19
|
|
|
20
|
|
|
21 ;; This file overrides parts of generic.md. It is derived from the
|
|
|
22 ;; old define_function_unit description.
|
|
|
23
|
|
|
24 (define_insn_reservation "r3k_load" 2
|
|
|
25 (and (eq_attr "cpu" "r3000,r3900")
|
|
|
26 (eq_attr "type" "load,fpload,fpidxload"))
|
|
|
27 "alu")
|
|
|
28
|
|
|
29 (define_insn_reservation "r3k_imul" 12
|
|
|
30 (and (eq_attr "cpu" "r3000,r3900")
|
|
|
31 (eq_attr "type" "imul,imul3,imadd"))
|
|
|
32 "imuldiv*12")
|
|
|
33
|
|
|
34 (define_insn_reservation "r3k_idiv" 35
|
|
|
35 (and (eq_attr "cpu" "r3000,r3900")
|
|
|
36 (eq_attr "type" "idiv"))
|
|
|
37 "imuldiv*35")
|
|
|
38
|
|
|
39 (define_insn_reservation "r3k_fmove" 1
|
|
|
40 (and (eq_attr "cpu" "r3000,r3900")
|
|
|
41 (eq_attr "type" "fabs,fneg,fmove"))
|
|
|
42 "alu")
|
|
|
43
|
|
|
44 (define_insn_reservation "r3k_fadd" 2
|
|
|
45 (and (eq_attr "cpu" "r3000,r3900")
|
|
|
46 (eq_attr "type" "fcmp,fadd"))
|
|
|
47 "alu")
|
|
|
48
|
|
|
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")))
|
|
|
53 "alu")
|
|
|
54
|
|
|
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")))
|
|
|
59 "alu")
|
|
|
60
|
|
|
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")))
|
|
|
65 "alu")
|
|
|
66
|
|
|
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")))
|
|
|
71 "alu")
|
