|
0
|
1 ;; ARM Cortex-A9 VFP pipeline description
|
|
|
2 ;; Copyright (C) 2008 Free Software Foundation, Inc.
|
|
|
3 ;; Written by CodeSourcery.
|
|
|
4 ;;
|
|
|
5 ;; This file is part of GCC.
|
|
|
6 ;;
|
|
|
7 ;; GCC is free software; you can redistribute it and/or modify it
|
|
|
8 ;; under the terms of the GNU General Public License as published by
|
|
|
9 ;; the Free Software Foundation; either version 3, or (at your option)
|
|
|
10 ;; any later version.
|
|
|
11 ;;
|
|
|
12 ;; GCC is distributed in the hope that it will be useful, but
|
|
|
13 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
15 ;; General Public License for more details.
|
|
|
16 ;;
|
|
|
17 ;; You should have received a copy of the GNU General Public License
|
|
|
18 ;; along with GCC; see the file COPYING3. If not see
|
|
|
19 ;; <http://www.gnu.org/licenses/>.
|
|
|
20
|
|
|
21 (define_automaton "cortex_a9")
|
|
|
22
|
|
|
23 ;; FIXME: We model a single pipeline for all instructions.
|
|
|
24 ;; Is dual-issue possible, and do we have other pipelines?
|
|
|
25 (define_cpu_unit "cortex_a9_vfp" "cortex_a9")
|
|
|
26
|
|
|
27 (define_insn_reservation "cortex_a9_ffarith" 1
|
|
|
28 (and (eq_attr "tune" "cortexa9")
|
|
|
29 (eq_attr "type" "fcpys,ffariths,ffarithd,fcmps,fcmpd,fconsts,fconstd"))
|
|
|
30 "cortex_a9_vfp")
|
|
|
31
|
|
|
32 (define_insn_reservation "cortex_a9_fadd" 4
|
|
|
33 (and (eq_attr "tune" "cortexa9")
|
|
|
34 (eq_attr "type" "fadds,faddd,f_cvt"))
|
|
|
35 "cortex_a9_vfp")
|
|
|
36
|
|
|
37 (define_insn_reservation "cortex_a9_fmuls" 5
|
|
|
38 (and (eq_attr "tune" "cortexa9")
|
|
|
39 (eq_attr "type" "fmuls"))
|
|
|
40 "cortex_a9_vfp")
|
|
|
41
|
|
|
42 (define_insn_reservation "cortex_a9_fmuld" 6
|
|
|
43 (and (eq_attr "tune" "cortexa9")
|
|
|
44 (eq_attr "type" "fmuld"))
|
|
|
45 "cortex_a9_vfp*2")
|
|
|
46
|
|
|
47 (define_insn_reservation "cortex_a9_fmacs" 8
|
|
|
48 (and (eq_attr "tune" "cortexa9")
|
|
|
49 (eq_attr "type" "fmacs"))
|
|
|
50 "cortex_a9_vfp")
|
|
|
51
|
|
|
52 (define_insn_reservation "cortex_a9_fmacd" 8
|
|
|
53 (and (eq_attr "tune" "cortexa9")
|
|
|
54 (eq_attr "type" "fmacd"))
|
|
|
55 "cortex_a9_vfp*2")
|
|
|
56
|
|
|
57 (define_insn_reservation "cortex_a9_fdivs" 15
|
|
|
58 (and (eq_attr "tune" "cortexa9")
|
|
|
59 (eq_attr "type" "fdivs"))
|
|
|
60 "cortex_a9_vfp*10")
|
|
|
61
|
|
|
62 (define_insn_reservation "cortex_a9_fdivd" 25
|
|
|
63 (and (eq_attr "tune" "cortexa9")
|
|
|
64 (eq_attr "type" "fdivd"))
|
|
|
65 "cortex_a9_vfp*20")
|
