(reg_rtx_no, regno_pointer_{flag_length,align): New decls.

(REGNO_POINTER_ALIGN): New macro.

From-SVN: r10866

gcc/regs.h

 /* Define per-register tables for data flow info and register allocation.
-   Copyright (C) 1987, 1993, 1994 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1993, 1994, 1995 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -136,12 +136,23 @@ extern int *regno_last_uid;
 
 extern int *regno_last_note_uid;
 
+/* This is reset to LAST_VIRTUAL_REGISTER + 1 at the start of each function.
+   After rtl generation, it is 1 plus the largest register number used.  */
+
+extern int reg_rtx_no;
+
 /* Vector indexed by regno; contains 1 for a register is considered a pointer.
    Reloading, etc. will use a pointer register rather than a non-pointer
    as the base register in an address, when there is a choice of two regs.  */
 
 extern char *regno_pointer_flag;
 #define REGNO_POINTER_FLAG(REGNO) regno_pointer_flag[REGNO]
+extern int regno_pointer_flag_length;
+
+/* Similarly, contains the alignment in bytes for a register that contains
+   a pointer, if known.  */
+extern char *regno_pointer_align;
+#define REGNO_POINTER_ALIGN(REGNO) regno_pointer_align[REGNO]
 
 /* List made of EXPR_LIST rtx's which gives pairs of pseudo registers
    that have to go in the same hard reg.  */