1 files changed, 59 insertions, 0 deletions
diff --git a/gcc/resource.h b/gcc/resource.h
new file mode 100644
index 000000000..3dfb63bdb
--- /dev/null
+++ b/gcc/resource.h
@@ -0,0 +1,59 @@
+/* Definitions for computing resource usage of specific insns.
+   Copyright (C) 1999, 2003, 2004, 2006, 2007, 2009, 2010
+   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 or needs an "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 *, 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 */