From: Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
Date: Thu, 4 Jun 2009 14:59:12 +0000 (+0000)
Subject: arm.c (thumb2_legitimate_index_p): Initialize val after checking for integers.
X-Git-Tag: releases/gcc-4.5.0~5375
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e07e020bbc7c6a0a103a21dccbfa69a110f3e819;p=thirdparty%2Fgcc.git

arm.c (thumb2_legitimate_index_p): Initialize val after checking for integers.

2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.c (thumb2_legitimate_index_p): Initialize
	val after checking for integers.

From-SVN: r148170
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 84bf21958d0c..9c3de317f309 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
+
+	* config/arm/arm.c (thumb2_legitimate_index_p): Initialize
+	val after checking for integers.
+
 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 141a4b846a61..1f5c3ae9e8d8 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -4266,15 +4266,17 @@ thumb2_legitimate_index_p (enum machine_mode mode, rtx index, int strict_p)
 
   if (mode == DImode || mode == DFmode)
     {
-      HOST_WIDE_INT val = INTVAL (index);
-      /* ??? Can we assume ldrd for thumb2?  */
-      /* Thumb-2 ldrd only has reg+const addressing modes.  */
-      if (code != CONST_INT)
+      if (code == CONST_INT)
+	{
+	  HOST_WIDE_INT val = INTVAL (index);
+	  /* ??? Can we assume ldrd for thumb2?  */
+	  /* Thumb-2 ldrd only has reg+const addressing modes.  */
+	  /* ldrd supports offsets of +-1020.
+	     However the ldr fallback does not.  */
+	  return val > -256 && val < 256 && (val & 3) == 0;
+	}
+      else
 	return 0;
-
-      /* ldrd supports offsets of +-1020.
-         However the ldr fallback does not.  */
-      return val > -256 && val < 256 && (val & 3) == 0;
     }
 
   if (code == MULT)