From: Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
Date: Wed, 11 Jun 2003 19:01:19 +0000 (+0200)
Subject: cfgloopanal.c (variable_initial_value): Update the set of altered registers correctly.
X-Git-Tag: releases/gcc-3.4.0~5936
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7e53cfb20d78c12a0efa8fce3e8a841b4ce8b808;p=thirdparty%2Fgcc.git

cfgloopanal.c (variable_initial_value): Update the set of altered registers correctly.

	* cfgloopanal.c (variable_initial_value): Update the set of altered
	registers correctly.

From-SVN: r67792
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 20b13512aaff..018bb83a3f5c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-06-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
+
+	* cfgloopanal.c (variable_initial_value): Update the set of altered
+	registers correctly.
+
 2003-06-11  Roger Sayle  <roger@eyesopen.com>
 	    Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
diff --git a/gcc/cfgloopanal.c b/gcc/cfgloopanal.c
index 88eaa2ce3848..af7d8127cf43 100644
--- a/gcc/cfgloopanal.c
+++ b/gcc/cfgloopanal.c
@@ -359,12 +359,12 @@ variable_initial_value (insn, invariant_regs, var, set_insn)
     {
       for (; insn != bb->head; insn = PREV_INSN (insn))
 	{
-	  if (modified_between_p (var, PREV_INSN (insn), NEXT_INSN (insn)))
-	    break;
 	  if (INSN_P (insn))
 	    note_stores (PATTERN (insn),
 		(void (*) PARAMS ((rtx, rtx, void *))) unmark_altered,
 		invariant_regs);
+	  if (modified_between_p (var, PREV_INSN (insn), NEXT_INSN (insn)))
+	    break;
 	}
 
       if (insn != bb->head)