arm.c (arm_legitimate_index_p): For QImode the range of an offset is -4095...+4095 inclusive.

* arm.c (arm_legitimate_index_p): For QImode the range of an offset
is -4095...+4095 inclusive.

From-SVN: r78429

gcc/ChangeLog

+2004-02-25  Richard Earnshaw  <rearnsha@arm.com>
+
+	* arm.c (arm_legitimate_index_p): For QImode the range of an offset
+	is -4095...+4095 inclusive.
+
 2004-02-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
 
 	* doc/install.texi (sparc-sun-solaris2* specific notes): Document

gcc/config/arm/arm.c

@@ -2979,8 +2979,10 @@ arm_legitimate_index_p (enum machine_mode mode, rtx index, int strict_p)
      load, but that has a restricted addressing range and we are unable
      to tell here whether that is the case.  To be safe we restrict all
      loads to that range.  */
-  range = ((mode) == HImode || (mode) == QImode)
-    ? (arm_arch4 ? 256 : 4095) : 4096;
+  if (arm_arch4)
+    range = (mode == HImode || mode == QImode) ? 256 : 4096;
+  else
+    range = (mode == HImode) ? 4095 : 4096;
 
   return (code == CONST_INT
 	  && INTVAL (index) < range