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author | Jing Yu <jingyu@google.com> | 2010-07-22 14:03:48 -0700 |
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committer | Jing Yu <jingyu@google.com> | 2010-07-22 14:03:48 -0700 |
commit | b094d6c4bf572654a031ecc4afe675154c886dc5 (patch) | |
tree | 89394c56b05e13a5413ee60237d65b0214fd98e2 /gcc-4.4.3/gcc/resource.h | |
parent | dc34721ac3bf7e3c406fba8cfe9d139393345ec5 (diff) | |
download | toolchain_gcc-b094d6c4bf572654a031ecc4afe675154c886dc5.tar.gz toolchain_gcc-b094d6c4bf572654a031ecc4afe675154c886dc5.tar.bz2 toolchain_gcc-b094d6c4bf572654a031ecc4afe675154c886dc5.zip |
commit gcc-4.4.3 which is used to build gcc-4.4.3 Android toolchain in master.
The source is based on fsf gcc-4.4.3 and contains local patches which
are recorded in gcc-4.4.3/README.google.
Change-Id: Id8c6d6927df274ae9749196a1cc24dbd9abc9887
Diffstat (limited to 'gcc-4.4.3/gcc/resource.h')
-rw-r--r-- | gcc-4.4.3/gcc/resource.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/resource.h b/gcc-4.4.3/gcc/resource.h new file mode 100644 index 000000000..26cd29494 --- /dev/null +++ b/gcc-4.4.3/gcc/resource.h @@ -0,0 +1,58 @@ +/* Definitions for computing resource usage of specific insns. + Copyright (C) 1999, 2003, 2004, 2006, 2007 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)->unch_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 unch_memory; /* Insn sets of needs a "unchanging" MEM. */ + 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 *, int); +extern void clear_hashed_info_for_insn (rtx); +extern void incr_ticks_for_insn (rtx); +extern void mark_end_of_function_resources (rtx, int); +extern void init_resource_info (rtx); +extern void free_resource_info (void); + +#endif /* GCC_RESOURCE_H */ |