1 ;; R4600, R4650, and R4700 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 ;; We handle the R4600, R4650, and R4700 in much the same way. The only
25 ;; differences between R4600 and R4650 are the integer multiplication and
26 ;; division costs. The only differences between R4600 and R4700 are the
27 ;; integer and floating-point multiplication costs.
29 (define_insn_reservation "r4600_imul_si" 10
30 (and (eq_attr "cpu" "r4600")
31 (eq_attr "type" "imul,imul3,imadd")
32 (eq_attr "mode" "SI"))
35 (define_insn_reservation "r4600_imul_di" 12
36 (and (eq_attr "cpu" "r4600")
37 (eq_attr "type" "imul,imul3,imadd")
38 (eq_attr "mode" "DI"))
41 (define_insn_reservation "r4600_idiv_si" 42
42 (and (eq_attr "cpu" "r4600,r4700")
43 (eq_attr "type" "idiv")
44 (eq_attr "mode" "SI"))
47 (define_insn_reservation "r4600_idiv_di" 74
48 (and (eq_attr "cpu" "r4600,r4700")
49 (eq_attr "type" "idiv")
50 (eq_attr "mode" "DI"))
54 (define_insn_reservation "r4650_imul" 4
55 (and (eq_attr "cpu" "r4650")
56 (eq_attr "type" "imul,imul3,imadd"))
59 (define_insn_reservation "r4650_idiv" 36
60 (and (eq_attr "cpu" "r4650")
61 (eq_attr "type" "idiv"))
65 (define_insn_reservation "r4700_imul_si" 8
66 (and (eq_attr "cpu" "r4700")
67 (eq_attr "type" "imul,imul3,imadd")
68 (eq_attr "mode" "SI"))
71 (define_insn_reservation "r4700_imul_di" 10
72 (and (eq_attr "cpu" "r4700")
73 (eq_attr "type" "imul,imul3,imadd")
74 (eq_attr "mode" "DI"))
78 (define_insn_reservation "r4600_load" 2
79 (and (eq_attr "cpu" "r4600,r4650,r4700")
80 (eq_attr "type" "load,fpload,fpidxload"))
83 (define_insn_reservation "r4600_fmove" 1
84 (and (eq_attr "cpu" "r4600,r4650,r4700")
85 (eq_attr "type" "fabs,fneg,fmove"))
88 (define_insn_reservation "r4600_fmul_single" 8
89 (and (eq_attr "cpu" "r4600,r4650")
90 (and (eq_attr "type" "fmul,fmadd")
91 (eq_attr "mode" "SF")))
95 (define_insn_reservation "r4700_fmul_single" 4
96 (and (eq_attr "cpu" "r4700")
97 (and (eq_attr "type" "fmul,fmadd")
98 (eq_attr "mode" "SF")))
101 (define_insn_reservation "r4700_fmul_double" 5
102 (and (eq_attr "cpu" "r4700")
103 (and (eq_attr "type" "fmul,fmadd")
104 (eq_attr "mode" "DF")))
108 (define_insn_reservation "r4600_fdiv_single" 32
109 (and (eq_attr "cpu" "r4600,r4650,r4700")
110 (and (eq_attr "type" "fdiv,frdiv")
111 (eq_attr "mode" "SF")))
114 (define_insn_reservation "r4600_fdiv_double" 61
115 (and (eq_attr "cpu" "r4600,r4650,r4700")
116 (and (eq_attr "type" "fdiv,frdiv")
117 (eq_attr "mode" "DF")))
120 (define_insn_reservation "r4600_fsqrt_single" 31
121 (and (eq_attr "cpu" "r4600,r4650,r4700")
122 (and (eq_attr "type" "fsqrt,frsqrt")
123 (eq_attr "mode" "SF")))
126 (define_insn_reservation "r4600_fsqrt_double" 60
127 (and (eq_attr "cpu" "r4600,r4650,r4700")
128 (and (eq_attr "type" "fsqrt,frsqrt")
129 (eq_attr "mode" "DF")))