From: James E Wilson <wilson@tuliptree.org>
Date: Sun, 7 Sep 2003 05:21:35 +0000 (-0700)
Subject: loop.c (loop_regs_update): Delete else clause for PATTERN rtx and simplify.
X-Git-Tag: releases/gcc-3.4.0~3851
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=10ef35a9da71ff3ea5cba283f0052b1caf7487b1;p=thirdparty%2Fgcc.git

loop.c (loop_regs_update): Delete else clause for PATTERN rtx and simplify.

* loop.c (loop_regs_update): Delete else clause for PATTERN rtx and
simplify.

From-SVN: r71160
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e5a3270f83fe..7669b77a036a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-09-06  James E Wilson  <wilson@tuliptree.org>
+
+	* loop.c (loop_regs_update): Delete else clause for PATTERN rtx and
+	simplify.
+
 2003-09-07  Kelley Cook  <kelleycook@wideopenwest.com>
 
 	* Makefile.in: Define $REMAKE to be $MAKE with LANGUAGES & BOOT_CFLAGS
diff --git a/gcc/loop.c b/gcc/loop.c
index 4a987d50337c..31592fc2ba1c 100644
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -7741,25 +7741,16 @@ loop_regs_update (const struct loop *loop ATTRIBUTE_UNUSED, rtx seq)
 
   /* Update register info for alias analysis.  */
 
-  if (seq == NULL_RTX)
-    return;
-
-  if (INSN_P (seq))
+  insn = seq;
+  while (insn != NULL_RTX)
     {
-      insn = seq;
-      while (insn != NULL_RTX)
-	{
-	  rtx set = single_set (insn);
+      rtx set = single_set (insn);
 
-	  if (set && GET_CODE (SET_DEST (set)) == REG)
-	    record_base_value (REGNO (SET_DEST (set)), SET_SRC (set), 0);
+      if (set && GET_CODE (SET_DEST (set)) == REG)
+	record_base_value (REGNO (SET_DEST (set)), SET_SRC (set), 0);
 
-	  insn = NEXT_INSN (insn);
-	}
+      insn = NEXT_INSN (insn);
     }
-  else if (GET_CODE (seq) == SET
-	   && GET_CODE (SET_DEST (seq)) == REG)
-    record_base_value (REGNO (SET_DEST (seq)), SET_SRC (seq), 0);
 }