* Makefile.in (GGC, GGC_LIB): New.

	(HOST_RTL): Include ggc-none.o.
	(ggc-simple.o): New target.
	(ggc-none.o): Likewise.
	* tree.h (tree_common): Add gc_mark.
	* rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
	(struct rtvec_def): Add gc_mark.
	* emit-rtl.c (global_rtl): Update static initializers to contain
	enough initializers.
	* ggc.h, ggc-none.c, ggc-simple.c: New files.
	* toplev.c (gc_time): New variable.
	(all_time): New variable.
	(compile_file): Print gc time.
	(print_time): Calculate percentage of the whole.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29106 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 58 insertions, 0 deletions

diff --git a/gcc/ggc-none.c b/gcc/ggc-none.c
new file mode 100644
index 00000000000..5fff1045fab
--- /dev/null
+++ b/gcc/ggc-none.c
@@ -0,0 +1,58 @@
+/* Null garbage collection for the GNU compiler.
+   Copyright (C) 1998 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.  */
+
+/* This version is used by the gen* programs, where we don't really
+   need GC at all.  This prevents problems with pulling in all the
+   tree stuff.  */
+
+/* We are used by gengenrtl, before genrtl.h exists.  But we don't 
+   need it either.  */
+#define NO_GENRTL_H
+
+#include "config.h"
+#include "system.h"
+#include "rtl.h"
+#include "ggc.h"
+
+rtx
+ggc_alloc_rtx (nslots)
+     int nslots;
+{
+  int size = sizeof(struct rtx_def) + (nslots - 1) * sizeof(rtunion);
+  rtx n;
+
+  n = (rtx) xmalloc (size);
+  bzero ((char *) n, size);
+
+  return n;
+}
+
+rtvec
+ggc_alloc_rtvec (nelt)
+     int nelt;
+{
+  int size = sizeof (struct rtvec_def) + (nelt - 1) * sizeof (rtunion);
+  rtvec v;
+
+  v = (rtvec) xmalloc (size);
+  bzero ((char *) v, size);
+
+  return v;
+}