Reverting merge from trunk
[official-gcc.git] / gcc / config / rs6000 / mpc.md
blob381db5b3e4988d5a0450c9b9dba91b5ed55286ce
1 ;; Scheduling description for Motorola PowerPC processor cores.
2 ;;   Copyright (C) 2003-2013 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.
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/>.
20 (define_automaton "mpc,mpcfp")
21 (define_cpu_unit "iu_mpc,mciu_mpc" "mpc")
22 (define_cpu_unit "fpu_mpc" "mpcfp")
23 (define_cpu_unit "lsu_mpc,bpu_mpc" "mpc")
25 ;; MPCCORE 32-bit SCIU, MCIU, LSU, FPU, BPU
26 ;; 505/801/821/823
28 (define_insn_reservation "mpccore-load" 2
29   (and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,load_ux,load_u,\
30                         load_l,store_c,sync")
31        (eq_attr "cpu" "mpccore"))
32   "lsu_mpc")
34 (define_insn_reservation "mpccore-store" 2
35   (and (eq_attr "type" "store,store_ux,store_u,fpstore,fpstore_ux,fpstore_u")
36        (eq_attr "cpu" "mpccore"))
37   "lsu_mpc")
39 (define_insn_reservation "mpccore-fpload" 2
40   (and (eq_attr "type" "fpload,fpload_ux,fpload_u")
41        (eq_attr "cpu" "mpccore"))
42   "lsu_mpc")
44 (define_insn_reservation "mpccore-integer" 1
45   (and (eq_attr "type" "integer,insert_word,insert_dword,shift,trap,\
46                         var_shift_rotate,cntlz,exts,isel")
47        (eq_attr "cpu" "mpccore"))
48   "iu_mpc")
50 (define_insn_reservation "mpccore-two" 1
51   (and (eq_attr "type" "two")
52        (eq_attr "cpu" "mpccore"))
53   "iu_mpc,iu_mpc")
55 (define_insn_reservation "mpccore-three" 1
56   (and (eq_attr "type" "three")
57        (eq_attr "cpu" "mpccore"))
58   "iu_mpc,iu_mpc,iu_mpc")
60 (define_insn_reservation "mpccore-imul" 2
61   (and (eq_attr "type" "imul,imul2,imul3,imul_compare")
62        (eq_attr "cpu" "mpccore"))
63   "mciu_mpc")
65 ; Divide latency varies greatly from 2-11, use 6 as average
66 (define_insn_reservation "mpccore-idiv" 6
67   (and (eq_attr "type" "idiv")
68        (eq_attr "cpu" "mpccore"))
69   "mciu_mpc*6")
71 (define_insn_reservation "mpccore-compare" 3
72   (and (eq_attr "type" "cmp,fast_compare,compare,delayed_compare,\
73                         var_delayed_compare")
74        (eq_attr "cpu" "mpccore"))
75   "iu_mpc,nothing,bpu_mpc")
77 (define_insn_reservation "mpccore-fpcompare" 2
78   (and (eq_attr "type" "fpcompare")
79        (eq_attr "cpu" "mpccore"))
80   "fpu_mpc,bpu_mpc")
82 (define_insn_reservation "mpccore-fp" 4
83   (and (eq_attr "type" "fp")
84        (eq_attr "cpu" "mpccore"))
85   "fpu_mpc*2")
87 (define_insn_reservation "mpccore-dmul" 5
88   (and (eq_attr "type" "dmul")
89        (eq_attr "cpu" "mpccore"))
90   "fpu_mpc*5")
92 (define_insn_reservation "mpccore-sdiv" 10
93   (and (eq_attr "type" "sdiv")
94        (eq_attr "cpu" "mpccore"))
95   "fpu_mpc*10")
97 (define_insn_reservation "mpccore-ddiv" 17
98   (and (eq_attr "type" "ddiv")
99        (eq_attr "cpu" "mpccore"))
100   "fpu_mpc*17")
102 (define_insn_reservation "mpccore-mtjmpr" 4
103   (and (eq_attr "type" "mtjmpr,mfjmpr")
104        (eq_attr "cpu" "mpccore"))
105   "bpu_mpc")
107 (define_insn_reservation "mpccore-jmpreg" 1
108   (and (eq_attr "type" "jmpreg,branch,cr_logical,delayed_cr,mfcr,mtcr,isync")
109        (eq_attr "cpu" "mpccore"))
110   "bpu_mpc")