rtl.h (traverse_md_constants): Declare.

	* rtl.h (traverse_md_constants): Declare.
	(struct md_constant): Define.
	* Makefile.in (HOST_RTL): Add hashtab.o .
	(OBJS): Add hashtab.o .
	(hashtab.o): New rule.
	(rtl.o): Depends on HASHTAB_H.
	* rtl.c (hashtab.h): #include.
	(md_constants): New static variable.
	(def_hash, def_name_eq_p, read_constants): New static functions.
	(traverse_md_constants): New function.
	(read_name): Do constant expansion.
	(read_rtx): Recognize define_constants.
	* gencodes.c (print_md_constant): New function.
	(main): Emit #defines for all constant definitions encountered.
	* md.texi (Constant Definitions): New node.
	* gensupport.c (xcalloc): New function.

From-SVN: r37635

1 files changed, 3 insertions, 0 deletions

diff --git a/gcc/rtl.h b/gcc/rtl.h
index 762226c..c0f543d 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -1946,6 +1946,9 @@ extern void init_varasm_once		PARAMS ((void));
 
 /* In rtl.c */
 extern void init_rtl			PARAMS ((void));
+extern void traverse_md_constants	PARAMS ((int (*) (void **, void *),
+						 void *));
+struct md_constant { char *name, *value; };
 
 #ifdef BUFSIZ
 extern int read_skip_spaces		PARAMS ((FILE *));