/* Definitions for computing resource usage of specific insns.
- Copyright (C) 1999 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2003, 2004, 2006, 2007, 2009, 2010
+ Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC 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 2, or (at your option)
-any later version.
+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.
-GNU CC 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.
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+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. */
+/* 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 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. */
};
-extern void mark_target_live_regs PARAMS ((rtx, rtx, struct resources *));
-extern void mark_set_resources PARAMS ((rtx, struct resources *, int,
- int));
-extern void mark_referenced_resources PARAMS ((rtx, struct resources *, int));
-extern void clear_hashed_info_for_insn PARAMS ((rtx));
-extern void incr_ticks_for_insn PARAMS ((rtx));
-extern void mark_end_of_function_resources PARAMS ((rtx, int));
-extern void init_resource_info PARAMS ((rtx));
-extern void free_resource_info PARAMS ((void));
-extern rtx find_free_register PARAMS ((rtx, rtx, const char *, int,
- HARD_REG_SET *));
-extern int reg_dead_p PARAMS ((rtx, rtx));
+/* 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 */
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