Add regset_head and INIT_REG_SET.

From-SVN: r30619

Add regset_head and INIT_REG_SET.
From-SVN: r30619
b1dbfa1d · Bernd Schmidt · Bernd Schmidt · 328f4006 · b1dbfa1d · b1dbfa1d
Commit b1dbfa1d authored Nov 22, 1999 by Bernd Schmidt Committed by Bernd Schmidt Nov 22, 1999
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gcc/ChangeLog
+2 -0

gcc/basic-block.h
+7 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 1999-11-22  Bernd Schmidt  <bernds@cygnus.co.uk>

 	* loop.c (load_mems): Reformat slightly.
+	* basic-block.h (regset_head): New typedef.
+	(INIT_REG_SET): New macro.

 1999-11-22  Bruce Korb  <autogen@linuxbox.com


--- a/gcc/basic-block.h
+++ b/gcc/basic-block.h
@@ -23,7 +23,13 @@ Boston, MA 02111-1307, USA.  */
 #include "sbitmap.h"
 #include "varray.h"

-typedef bitmap regset;		/* Head of register set linked list.  */
+/* Head of register set linked list.  */
+typedef bitmap_head regset_head;
+/* A pointer to a regset_head.  */
+typedef bitmap regset;
+
+/* Initialize a new regset.  */
+#define INIT_REG_SET(HEAD) bitmap_initialize (HEAD)

 /* Clear a register set by freeing up the linked list.  */
 #define CLEAR_REG_SET(HEAD) bitmap_clear (HEAD)