diff options
author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
---|---|---|
committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/resource.h | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/resource.h')
-rw-r--r-- | gcc-4.9/gcc/resource.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/resource.h b/gcc-4.9/gcc/resource.h new file mode 100644 index 000000000..a1a1f34fd --- /dev/null +++ b/gcc-4.9/gcc/resource.h @@ -0,0 +1,57 @@ +/* Definitions for computing resource usage of specific insns. + Copyright (C) 1999-2014 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#ifndef GCC_RESOURCE_H +#define GCC_RESOURCE_H + +#include "hard-reg-set.h" +#include "df.h" + +/* Macro to clear all resources. */ +#define CLEAR_RESOURCE(RES) \ + do { (RES)->memory = (RES)->volatil = (RES)->cc = 0; \ + CLEAR_HARD_REG_SET ((RES)->regs); } while (0) + +/* The resources used by a given insn. */ +struct resources +{ + char memory; /* Insn sets or needs a memory location. */ + char volatil; /* Insn sets or needs a volatile memory loc. */ + char cc; /* Insn sets or needs the condition codes. */ + HARD_REG_SET regs; /* Which registers are set or needed. */ +}; + +/* The kinds of rtl mark_*_resources will consider */ +enum mark_resource_type +{ + MARK_SRC_DEST = 0, + MARK_SRC_DEST_CALL = 1 +}; + +extern void mark_target_live_regs (rtx, rtx, struct resources *); +extern void mark_set_resources (rtx, struct resources *, int, + enum mark_resource_type); +extern void mark_referenced_resources (rtx, struct resources *, bool); +extern void clear_hashed_info_for_insn (rtx); +extern void incr_ticks_for_insn (rtx); +extern void mark_end_of_function_resources (rtx, bool); +extern void init_resource_info (rtx); +extern void free_resource_info (void); + +#endif /* GCC_RESOURCE_H */ |