source: arduino-1-6-7/trunk/fuentes/arduino-ide-amd64/hardware/tools/avr/lib/gcc/avr/4.9.2/plugin/include/resource.h @ 4837

Last change on this file since 4837 was 4837, checked in by daduve, 2 years ago

Adding new version

File size: 1.9 KB
Line 
1/* Definitions for computing resource usage of specific insns.
2   Copyright (C) 1999-2014 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3.  If not see
18<http://www.gnu.org/licenses/>.  */
19
20#ifndef GCC_RESOURCE_H
21#define GCC_RESOURCE_H
22
23#include "hard-reg-set.h"
24#include "df.h"
25
26/* Macro to clear all resources.  */
27#define CLEAR_RESOURCE(RES)     \
28 do { (RES)->memory = (RES)->volatil = (RES)->cc = 0; \
29      CLEAR_HARD_REG_SET ((RES)->regs); } while (0)
30
31/* The resources used by a given insn.  */
32struct resources
33{
34  char memory;          /* Insn sets or needs a memory location.  */
35  char volatil;         /* Insn sets or needs a volatile memory loc.  */
36  char cc;              /* Insn sets or needs the condition codes.  */
37  HARD_REG_SET regs;    /* Which registers are set or needed.  */
38};
39
40/* The kinds of rtl mark_*_resources will consider */
41enum mark_resource_type
42{
43  MARK_SRC_DEST = 0,
44  MARK_SRC_DEST_CALL = 1
45};
46
47extern void mark_target_live_regs (rtx, rtx, struct resources *);
48extern void mark_set_resources (rtx, struct resources *, int,
49                                enum mark_resource_type);
50extern void mark_referenced_resources (rtx, struct resources *, bool);
51extern void clear_hashed_info_for_insn (rtx);
52extern void incr_ticks_for_insn (rtx);
53extern void mark_end_of_function_resources (rtx, bool);
54extern void init_resource_info (rtx);
55extern void free_resource_info (void);
56
57#endif /* GCC_RESOURCE_H */
Note: See TracBrowser for help on using the repository browser.