Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/arm/cortex-a9.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 |
| parents | |
| children | 77e2b8dfacca |
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| -1:000000000000 | 0:a06113de4d67 |
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| 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") |