From c6365730b26a4a9cf838f04fc9f91f46d7dc37f2 Mon Sep 17 00:00:00 2001
From: kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sat, 28 Jun 2003 05:39:40 +0000
Subject: [PATCH] 	* explow.c (find_next_ref): Remove. 	* rtl.h:
 Remove the prototype for find_next_ref.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68628 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/ChangeLog |  5 +++++
 gcc/explow.c  | 45 ---------------------------------------------
 gcc/rtl.h     |  2 --
 3 files changed, 5 insertions(+), 47 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9e525fee68f..747bf5dd311 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-06-28  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* explow.c (find_next_ref): Remove.
+	* rtl.h: Remove the prototype for find_next_ref.
+
 2003-06-27  Roger Sayle  <roger@eyesopen.com>
 
 	* config/alpha/alpha.md (anonymous define_split): Adjust emit_note
diff --git a/gcc/explow.c b/gcc/explow.c
index 883edf8e9f4..9568afc340e 100644
--- a/gcc/explow.c
+++ b/gcc/explow.c
@@ -241,51 +241,6 @@ eliminate_constant_term (x, constptr)
   return x;
 }
 
-/* Returns the insn that next references REG after INSN, or 0
-   if REG is clobbered before next referenced or we cannot find
-   an insn that references REG in a straight-line piece of code.  */
-
-rtx
-find_next_ref (reg, insn)
-     rtx reg;
-     rtx insn;
-{
-  rtx next;
-
-  for (insn = NEXT_INSN (insn); insn; insn = next)
-    {
-      next = NEXT_INSN (insn);
-      if (GET_CODE (insn) == NOTE)
-	continue;
-      if (GET_CODE (insn) == CODE_LABEL
-	  || GET_CODE (insn) == BARRIER)
-	return 0;
-      if (GET_CODE (insn) == INSN
-	  || GET_CODE (insn) == JUMP_INSN
-	  || GET_CODE (insn) == CALL_INSN)
-	{
-	  if (reg_set_p (reg, insn))
-	    return 0;
-	  if (reg_mentioned_p (reg, PATTERN (insn)))
-	    return insn;
-	  if (GET_CODE (insn) == JUMP_INSN)
-	    {
-	      if (any_uncondjump_p (insn))
-		next = JUMP_LABEL (insn);
-	      else
-		return 0;
-	    }
-	  if (GET_CODE (insn) == CALL_INSN
-	      && REGNO (reg) < FIRST_PSEUDO_REGISTER
-	      && call_used_regs[REGNO (reg)])
-	    return 0;
-	}
-      else
-	abort ();
-    }
-  return 0;
-}
-
 /* Return an rtx for the size in bytes of the value of EXP.  */
 
 rtx
diff --git a/gcc/rtl.h b/gcc/rtl.h
index 52baa243875..6255639bdad 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -1948,8 +1948,6 @@ extern rtx gen_lowpart_SUBREG PARAMS ((enum machine_mode, rtx));
 /* REGNUM never really appearing in the INSN stream.  */
 #define INVALID_REGNUM			(~(unsigned int) 0)
 
-extern rtx find_next_ref		PARAMS ((rtx, rtx));
-
 extern rtx output_constant_def		PARAMS ((tree, int));
 
 /* Called from integrate.c when a deferred constant is inlined.  */
-- 
2.11.0