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comparison gcc/config/sh/sh4a.md @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents a06113de4d67
children 84e7813d76e9
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68:561a7518be6b 111:04ced10e8804
1 ;; Scheduling description for Renesas SH4a 1 ;; Scheduling description for Renesas SH4a
2 ;; Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc. 2 ;; Copyright (C) 2003-2017 Free Software Foundation, Inc.
3 ;; 3 ;;
4 ;; This file is part of GCC. 4 ;; This file is part of GCC.
5 ;; 5 ;;
6 ;; GNU CC is free software; you can redistribute it and/or modify 6 ;; GNU CC is free software; you can redistribute it and/or modify
7 ;; it under the terms of the GNU General Public License as published by 7 ;; it under the terms of the GNU General Public License as published by
17 ;; along with GCC; see the file COPYING3. If not see 17 ;; along with GCC; see the file COPYING3. If not see
18 ;; <http://www.gnu.org/licenses/>. 18 ;; <http://www.gnu.org/licenses/>.
19 19
20 ;; The following description models the SH4A pipeline 20 ;; The following description models the SH4A pipeline
21 ;; using the DFA based scheduler. 21 ;; using the DFA based scheduler.
22
23 (define_automaton "sh4a") 22 (define_automaton "sh4a")
24 23
25 (define_cpu_unit "sh4a_ex" "sh4a") 24 (define_cpu_unit "sh4a_ex" "sh4a")
26 (define_cpu_unit "sh4a_ls" "sh4a") 25 (define_cpu_unit "sh4a_ls" "sh4a")
27 (define_cpu_unit "sh4a_fex" "sh4a") 26 (define_cpu_unit "sh4a_fex" "sh4a")
33 ;; sh4. Define issue to be the | of the two pipelines 32 ;; sh4. Define issue to be the | of the two pipelines
34 ;; to control how often instructions are issued. 33 ;; to control how often instructions are issued.
35 (define_reservation "ID_or" "sh4a_ex|sh4a_ls") 34 (define_reservation "ID_or" "sh4a_ex|sh4a_ls")
36 (define_reservation "ID_and" "sh4a_ex+sh4a_ls") 35 (define_reservation "ID_and" "sh4a_ex+sh4a_ls")
37 36
38
39 ;; ======================================================= 37 ;; =======================================================
40 ;; Locking Descriptions 38 ;; Locking Descriptions
41 39
42 ;; Sh4a_Memory access on the LS pipeline. 40 ;; Sh4a_Memory access on the LS pipeline.
43 (define_cpu_unit "sh4a_memory" "sh4a") 41 (define_cpu_unit "sh4a_memory" "sh4a")