1 ;; R4600 and R4650 pipeline description.
2 ;; Copyright (C) 2004, 2005, 2007 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 ;; We handle the R4600 and R4650 in much the same way. The only difference
25 ;; is in the integer multiplication and division costs.
27 (define_insn_reservation "r4600_imul" 10
28 (and (eq_attr "cpu" "r4600")
29 (eq_attr "type" "imul,imul3,imadd"))
32 (define_insn_reservation "r4600_idiv" 42
33 (and (eq_attr "cpu" "r4600")
34 (eq_attr "type" "idiv"))
38 (define_insn_reservation "r4650_imul" 4
39 (and (eq_attr "cpu" "r4650")
40 (eq_attr "type" "imul,imul3,imadd"))
43 (define_insn_reservation "r4650_idiv" 36
44 (and (eq_attr "cpu" "r4650")
45 (eq_attr "type" "idiv"))
49 (define_insn_reservation "r4600_load" 2
50 (and (eq_attr "cpu" "r4600,r4650")
51 (eq_attr "type" "load,fpload,fpidxload"))
54 (define_insn_reservation "r4600_fmove" 1
55 (and (eq_attr "cpu" "r4600,r4650")
56 (eq_attr "type" "fabs,fneg,fmove"))
59 (define_insn_reservation "r4600_fmul_single" 8
60 (and (eq_attr "cpu" "r4600,r4650")
61 (and (eq_attr "type" "fmul,fmadd")
62 (eq_attr "mode" "SF")))
65 (define_insn_reservation "r4600_fdiv_single" 32
66 (and (eq_attr "cpu" "r4600,r4650")
67 (and (eq_attr "type" "fdiv,frdiv")
68 (eq_attr "mode" "SF")))
71 (define_insn_reservation "r4600_fdiv_double" 61
72 (and (eq_attr "cpu" "r4600,r4650")
73 (and (eq_attr "type" "fdiv,frdiv")
74 (eq_attr "mode" "DF")))
77 (define_insn_reservation "r4600_fsqrt_single" 31
78 (and (eq_attr "cpu" "r4600,r4650")
79 (and (eq_attr "type" "fsqrt,frsqrt")
80 (eq_attr "mode" "SF")))
83 (define_insn_reservation "r4600_fsqrt_double" 60
84 (and (eq_attr "cpu" "r4600,r4650")
85 (and (eq_attr "type" "fsqrt,frsqrt")
86 (eq_attr "mode" "DF")))