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| author | Bob Manson <manson@charmed.cygnus.com> | 1999-02-02 21:22:52 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 1999-02-02 13:22:52 -0800 |
| commit | ca545bb569b7560793928e1c597bb1df499f8855 (patch) | |
| tree | bf741c1416516d6d4b65f9e54691a31b98962066 /gcc/resource.h | |
| parent | ee0d2cf3227a2bddf6a1ff20971284e8e6823d78 (diff) | |
| download | gcc-ca545bb569b7560793928e1c597bb1df499f8855.zip gcc-ca545bb569b7560793928e1c597bb1df499f8855.tar.gz gcc-ca545bb569b7560793928e1c597bb1df499f8855.tar.bz2 | |
Bob Manson <manson@charmed.cygnus.com>
Bob Manson <manson@charmed.cygnus.com>
* resource.c, resource.h: New files.
* haifa-sched.c (regno_use_in): Moved to rtlanal.c.
(split_block_insns): Moved to recog.c.
(update_flow_info): Make public.
* reorg.c: Moved the functions dealing with computing resource
usage to resource.c.
* sched.c (regno_use_in): Moved to rtlanal.c.
(update_flow_info): Make public.
(schedule_insns): Use split_block_insns.
* recog.c (split_block_insns): New function.
From-SVN: r24982
Diffstat (limited to 'gcc/resource.h')
| -rw-r--r-- | gcc/resource.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/gcc/resource.h b/gcc/resource.h new file mode 100644 index 0000000..d3a8e2c --- /dev/null +++ b/gcc/resource.h @@ -0,0 +1,46 @@ +/* Definitions for computing resource usage of specific insns. + Copyright (C) 1999 Free Software Foundation, Inc. + +This file is part of GNU CC. + +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. + +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. + +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. */ + +/* 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. */ +}; + +extern void mark_target_live_regs PROTO((rtx, rtx, struct resources *)); +extern void mark_set_resources PROTO((rtx, struct resources *, int, + int)); +extern void mark_referenced_resources PROTO((rtx, struct resources *, int)); +extern void clear_hashed_info_for_insn PROTO((rtx)); +extern void incr_ticks_for_insn PROTO((rtx)); +extern void mark_end_of_function_resources PROTO ((rtx, int)); +extern void init_resource_info PROTO((rtx)); +extern void free_resource_info PROTO((void)); +extern rtx find_free_register PROTO((rtx, char *, int, + HARD_REG_SET *)); |