1 ;; R4600 and R4650 pipeline description.
2 ;; Copyright (C) 2004, 2005 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 2, 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 COPYING. If not, write to the
18 ;; Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
19 ;; MA 02110-1301, USA.
22 ;; This file overrides parts of generic.md. It is derived from the
23 ;; old define_function_unit description.
25 ;; We handle the R4600 and R4650 in much the same way. The only difference
26 ;; is in the integer multiplication and division costs.
28 (define_insn_reservation "r4600_imul" 10
29 (and (eq_attr "cpu" "r4600")
30 (eq_attr "type" "imul,imul3,imadd"))
33 (define_insn_reservation "r4600_idiv" 42
34 (and (eq_attr "cpu" "r4600")
35 (eq_attr "type" "idiv"))
39 (define_insn_reservation "r4650_imul" 4
40 (and (eq_attr "cpu" "r4650")
41 (eq_attr "type" "imul,imul3,imadd"))
44 (define_insn_reservation "r4650_idiv" 36
45 (and (eq_attr "cpu" "r4650")
46 (eq_attr "type" "idiv"))
50 (define_insn_reservation "r4600_load" 2
51 (and (eq_attr "cpu" "r4600,r4650")
52 (eq_attr "type" "load,fpload,fpidxload"))
55 (define_insn_reservation "r4600_fmove" 1
56 (and (eq_attr "cpu" "r4600,r4650")
57 (eq_attr "type" "fabs,fneg,fmove"))
60 (define_insn_reservation "r4600_fmul_single" 8
61 (and (eq_attr "cpu" "r4600,r4650")
62 (and (eq_attr "type" "fmul,fmadd")
63 (eq_attr "mode" "SF")))
66 (define_insn_reservation "r4600_fdiv_single" 32
67 (and (eq_attr "cpu" "r4600,r4650")
68 (and (eq_attr "type" "fdiv,frdiv")
69 (eq_attr "mode" "SF")))
72 (define_insn_reservation "r4600_fdiv_double" 61
73 (and (eq_attr "cpu" "r4600,r4650")
74 (and (eq_attr "type" "fdiv,frdiv")
75 (eq_attr "mode" "DF")))
78 (define_insn_reservation "r4600_fsqrt_single" 31
79 (and (eq_attr "cpu" "r4600,r4650")
80 (and (eq_attr "type" "fsqrt,frsqrt")
81 (eq_attr "mode" "SF")))
84 (define_insn_reservation "r4600_fsqrt_double" 60
85 (and (eq_attr "cpu" "r4600,r4650")
86 (and (eq_attr "type" "fsqrt,frsqrt")
87 (eq_attr "mode" "DF")))