regs.h (struct reg_info_def): Remove the last_node_uid and changes_mode fields.

	* regs.h (struct reg_info_def): Remove the last_node_uid and
	changes_mode fields.
	(REGNO_LAST_NOTE_UID): Don't define.
	* regclass.c (reg_scan_mark_refs): Don't set REGNO_LAST_NOTE_UID.
	* regmove.c (copy_src_to_dest): Likewise.

From-SVN: r88825

gcc/ChangeLog

+2004-10-09  Steven Bosscher  <stevenb@suse.de>
+
+	* regs.h (struct reg_info_def): Remove the last_node_uid and
+	changes_mode fields.
+	(REGNO_LAST_NOTE_UID): Don't define.
+	* regclass.c (reg_scan_mark_refs): Don't set REGNO_LAST_NOTE_UID.
+	* regmove.c (copy_src_to_dest): Likewise.
+
 2004-10-09  Roger Sayle  <roger@eyesopen.com>
 
 	PR middle-end/17894

gcc/regclass.c

@@ -2395,7 +2395,6 @@ reg_scan_mark_refs (rtx x, rtx insn, int note_flag, unsigned int min_regno)
 
 	if (regno >= min_regno)
 	  {
-	    REGNO_LAST_NOTE_UID (regno) = INSN_UID (insn);
 	    if (!note_flag)
 	      REGNO_LAST_UID (regno) = INSN_UID (insn);
 	    if (REGNO_FIRST_UID (regno) == 0)

gcc/regmove.c

@@ -834,9 +834,6 @@ copy_src_to_dest (rtx insn, rtx src, rtx dest, int old_max_uid)
 
       if (REGNO_LAST_UID (src_regno) == insn_uid)
 	REGNO_LAST_UID (src_regno) = move_uid;
-
-      if (REGNO_LAST_NOTE_UID (src_regno) == insn_uid)
-	REGNO_LAST_NOTE_UID (src_regno) = move_uid;
     }
 }
 

gcc/regs.h

@@ -50,7 +50,6 @@ typedef struct reg_info_def
 {				/* fields set by reg_scan */
   int first_uid;		/* UID of first insn to use (REG n) */
   int last_uid;			/* UID of last insn to use (REG n) */
-  int last_note_uid;		/* UID of last note to use (REG n) */
 
 				/* fields set by reg_scan & flow_analysis */
   int sets;			/* # of times (REG n) is set */
@@ -62,8 +61,6 @@ typedef struct reg_info_def
   int live_length;		/* # of instructions (REG n) is live */
   int calls_crossed;		/* # of calls (REG n) is live across */
   int basic_block;		/* # of basic blocks (REG n) is used in */
-  char changes_mode;		/* whether (SUBREG (REG n)) exists and
-				   is illegal.  */
 } reg_info;
 
 extern varray_type reg_n_info;
@@ -187,10 +184,6 @@ extern enum machine_mode reg_raw_mode[FIRST_PSEUDO_REGISTER];
 
 #define REGNO_LAST_UID(N) (VARRAY_REG (reg_n_info, N)->last_uid)
 
-/* Similar, but includes insns that mention the reg in their notes.  */
-
-#define REGNO_LAST_NOTE_UID(N) (VARRAY_REG (reg_n_info, N)->last_note_uid)
-
 /* List made of EXPR_LIST rtx's which gives pairs of pseudo registers
    that have to go in the same hard reg.  */
 extern rtx regs_may_share;