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.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@24982 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 46 insertions, 0 deletions

diff --git a/gcc/resource.h b/gcc/resource.h
new file mode 100644
index 00000000000..d3a8e2c7088
--- /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 *));