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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [resource.h] - Rev 304
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/* Definitions for computing resource usage of specific insns. Copyright (C) 1999, 2003, 2004, 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" /* 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 */
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