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comparison gcc/config/sparc/cypress.md @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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1 ;; Scheduling description for SPARC Cypress.
2 ;; Copyright (C) 2002, 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
7 ;; it under the terms of the GNU General Public License as published by
8 ;; the Free Software Foundation; either version 3, or (at your option)
9 ;; any later version.
10 ;;
11 ;; GCC is distributed in the hope that it will be useful,
12 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ;; GNU General Public 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 ;; The Cypress is a pretty simple single-issue processor.
21
22 (define_automaton "cypress_0,cypress_1")
23
24 (define_cpu_unit "cyp_memory, cyp_fpalu" "cypress_0")
25 (define_cpu_unit "cyp_fpmds" "cypress_1")
26
27 (define_insn_reservation "cyp_load" 2
28 (and (eq_attr "cpu" "cypress")
29 (eq_attr "type" "load,sload,fpload"))
30 "cyp_memory, nothing")
31
32 (define_insn_reservation "cyp_fp_alu" 5
33 (and (eq_attr "cpu" "cypress")
34 (eq_attr "type" "fp,fpmove"))
35 "cyp_fpalu, nothing*3")
36
37 (define_insn_reservation "cyp_fp_mult" 7
38 (and (eq_attr "cpu" "cypress")
39 (eq_attr "type" "fpmul"))
40 "cyp_fpmds, nothing*5")
41
42 (define_insn_reservation "cyp_fp_div" 37
43 (and (eq_attr "cpu" "cypress")
44 (eq_attr "type" "fpdivs,fpdivd"))
45 "cyp_fpmds, nothing*35")
46
47 (define_insn_reservation "cyp_fp_sqrt" 63
48 (and (eq_attr "cpu" "cypress")
49 (eq_attr "type" "fpsqrts,fpsqrtd"))
50 "cyp_fpmds, nothing*61")