From: Ulrich Weigand <uweigand@de.ibm.com>
Date: Thu, 12 Jan 2006 17:22:22 +0000 (+0000)
Subject: * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
X-Git-Tag: releases/gcc-4.2.0~4904
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4cd5f6193db267e7ac990abcc6a04dbaac800bc8;p=thirdparty%2Fgcc.git

* struct-equiv.c (find_dying_inputs): Fix off-by-one bug.

From-SVN: r109645
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d06fcf02b8ac..d6af785fbd47 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
+
 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
 
 	* config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
diff --git a/gcc/struct-equiv.c b/gcc/struct-equiv.c
index e38ae7331136..1f11ff8ed39a 100644
--- a/gcc/struct-equiv.c
+++ b/gcc/struct-equiv.c
@@ -1280,7 +1280,7 @@ find_dying_inputs (struct equiv_info *info)
       int nregs = (regno >= FIRST_PSEUDO_REGISTER
 		   ? 1 : hard_regno_nregs[regno][GET_MODE (x)]);
 
-      for (info->local_rvalue[i] = false; nregs >= 0; regno++, --nregs)
+      for (info->local_rvalue[i] = false; nregs > 0; regno++, --nregs)
 	if (REGNO_REG_SET_P (info->x_local_live, regno))
 	  {
 	    info->dying_inputs++;