* 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, 7 insertions, 2 deletions

diff --git a/gcc/rtl.h b/gcc/rtl.h
index acb9f756bb8..d680ed71059 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -102,13 +102,13 @@ typedef struct rtx_def
 {
 #ifdef ONLY_INT_FIELDS
 #ifdef CODE_FIELD_BUG
-  unsigned int code : 16;
+  unsigned int code : 15;
 #else
   unsigned short code;
 #endif
 #else
   /* The kind of expression this is.  */
-  enum rtx_code code : 16;
+  enum rtx_code code : 15;
 #endif
   /* The kind of value the expression has.  */
 #ifdef ONLY_INT_FIELDS
@@ -171,6 +171,10 @@ typedef struct rtx_def
      1 in a MEM if the MEM refers to a scalar, rather than a member of
      an aggregate.  */
   unsigned frame_related : 1;
+
+  /* Used by the garbage collector.  */
+  unsigned gc_mark : 1;
+
   /* The first element of the operands of this rtx.
      The number of operands and their types are controlled
      by the `code' field, according to rtl.def.  */
@@ -202,6 +206,7 @@ typedef struct rtx_def
 
 typedef struct rtvec_def{
   int num_elem;		/* number of elements */
+  int gc_mark;
   struct rtx_def *elem[1];
 } *rtvec;