Mercurial > hg > CbC > CbC_gcc

comparison gcc/config/mips/9000.md @ 0:a06113de4d67

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children 04ced10e8804
comparison
equal deleted inserted replaced
-1:000000000000 0:a06113de4d67
1 ;; DFA-based pipeline description for the RM9000.
2 ;; Copyright (C) 2003, 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 (define_automaton "rm9k_main, rm9k_imul, rm9k_fdiv")
21
22 ;; These units are for insns that can issue in either pipe. We don't
23 ;; want to use constructs like "rm9k_m | rm9k_f_int" since that would
24 ;; needlessly make an insn prefer the M pipe.
25 (define_cpu_unit "rm9k_any1" "rm9k_main")
26 (define_cpu_unit "rm9k_any2" "rm9k_main")
27
28 ;; F and M pipe units, for instructions that must be issued by a
29 ;; particular pipe. Split the F pipe into two units so that integer
30 ;; instructions can issue while the FPU is busy. We don't need to
31 ;; split M because it is only ever reserved for a single cycle.
32 (define_cpu_unit "rm9k_m" "rm9k_main")
33 (define_cpu_unit "rm9k_f_int" "rm9k_main")
34 (define_cpu_unit "rm9k_f_float" "rm9k_main")
35
36 (exclusion_set "rm9k_f_int" "rm9k_f_float")
37
38 ;; Multiply/divide units.
39 (define_cpu_unit "rm9k_imul" "rm9k_imul")
40 (define_cpu_unit "rm9k_fdiv" "rm9k_fdiv")
41
42 (define_insn_reservation "rm9k_load" 3
43 (and (eq_attr "cpu" "r9000")
44 (eq_attr "type" "load,fpload,fpidxload"))
45 "rm9k_m")
46
47 (define_insn_reservation "rm9k_store" 1
48 (and (eq_attr "cpu" "r9000")
49 (eq_attr "type" "store,fpstore,fpidxstore"))
50 "rm9k_m")
51
52 (define_insn_reservation "rm9k_int" 1
53 (and (eq_attr "cpu" "r9000")
54 (eq_attr "type" "arith,shift,signext,slt,clz,const,logical,move,nop,trap"))
55 "rm9k_any1 | rm9k_any2")
56
57 (define_insn_reservation "rm9k_int_cmove" 2
58 (and (eq_attr "cpu" "r9000")
59 (and (eq_attr "type" "condmove")
60 (eq_attr "mode" "SI,DI")))
61 "rm9k_any1 | rm9k_any2")
62
63 ;; This applies to both 'mul' and 'mult'.
64 (define_insn_reservation "rm9k_mulsi" 3
65 (and (eq_attr "cpu" "r9000")
66 (and (eq_attr "type" "imul,imul3,imadd")
67 (eq_attr "mode" "!DI")))
68 "rm9k_f_int")
69
70 (define_insn_reservation "rm9k_muldi" 7
71 (and (eq_attr "cpu" "r9000")
72 (and (eq_attr "type" "imul,imul3,imadd")
73 (eq_attr "mode" "DI")))
74 "rm9k_f_int + rm9k_imul * 7")
75
76 (define_insn_reservation "rm9k_divsi" 38
77 (and (eq_attr "cpu" "r9000")
78 (and (eq_attr "type" "idiv")
79 (eq_attr "mode" "!DI")))
80 "rm9k_f_int + rm9k_imul * 38")
81
82 (define_insn_reservation "rm9k_divdi" 70
83 (and (eq_attr "cpu" "r9000")
84 (and (eq_attr "type" "idiv")
85 (eq_attr "mode" "DI")))
86 "rm9k_f_int + rm9k_imul * 70")
87
88 (define_insn_reservation "rm9k_mfhilo" 1
89 (and (eq_attr "cpu" "r9000")
90 (eq_attr "type" "mfhilo"))
91 "rm9k_f_int")
92
93 (define_insn_reservation "rm9k_mthilo" 5
94 (and (eq_attr "cpu" "r9000")
95 (eq_attr "type" "mthilo"))
96 "rm9k_f_int")
97
98 (define_insn_reservation "rm9k_xfer" 2
99 (and (eq_attr "cpu" "r9000")
100 (eq_attr "type" "mfc,mtc"))
101 "rm9k_m")
102
103 (define_insn_reservation "rm9k_fquick" 2
104 (and (eq_attr "cpu" "r9000")
105 (eq_attr "type" "fabs,fneg,fcmp,fmove"))
106 "rm9k_f_float")
107
108 (define_insn_reservation "rm9k_fcmove" 2
109 (and (eq_attr "cpu" "r9000")
110 (and (eq_attr "type" "condmove")
111 (eq_attr "mode" "SF,DF")))
112 "rm9k_m")
113
114 (define_insn_reservation "rm9k_fadd" 6
115 (and (eq_attr "cpu" "r9000")
116 (eq_attr "type" "fadd,fcvt"))
117 "rm9k_f_float")
118
119 (define_insn_reservation "rm9k_fmuls" 6
120 (and (eq_attr "cpu" "r9000")
121 (and (eq_attr "type" "fmul,fmadd")
122 (eq_attr "mode" "SF")))
123 "rm9k_f_float")
124
125 (define_insn_reservation "rm9k_fmuld" 9
126 (and (eq_attr "cpu" "r9000")
127 (and (eq_attr "type" "fmul,fmadd")
128 (eq_attr "mode" "DF")))
129 "rm9k_f_float * 3")
130
131 (define_insn_reservation "rm9k_fdivs" 22
132 (and (eq_attr "cpu" "r9000")
133 (and (eq_attr "type" "fdiv,frdiv,fsqrt,frsqrt")
134 (eq_attr "mode" "SF")))
135 "rm9k_f_float + rm9k_fdiv * 22")
136
137 (define_insn_reservation "rm9k_fdivd" 37
138 (and (eq_attr "cpu" "r9000")
139 (and (eq_attr "type" "fdiv,frdiv,fsqrt,frsqrt")
140 (eq_attr "mode" "DF")))
141 "rm9k_f_float + rm9k_fdiv * 37")
142
143 (define_insn_reservation "rm9k_branch" 2
144 (and (eq_attr "cpu" "r9000")
145 (eq_attr "type" "branch,jump,call"))
146 "rm9k_any1 | rm9k_any2")
147
148 (define_insn_reservation "rm9k_unknown" 1
149 (and (eq_attr "cpu" "r9000")
150 (eq_attr "type" "unknown,multi"))
151 "rm9k_m + rm9k_f_int + rm9k_any1 + rm9k_any2")