emit-rtl.c (set_reg_attrs_from_value): Fix invalid alignment information passed…

emit-rtl.c (set_reg_attrs_from_value): Fix invalid alignment information passed to mark_reg_pointer.

	* emit-rtl.c (set_reg_attrs_from_value): Fix invalid alignment
	information passed to mark_reg_pointer.
	* explow.c (force_reg): Likewise.

From-SVN: r140318

gcc/ChangeLog

 2008-09-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 
+	* emit-rtl.c (set_reg_attrs_from_value): Fix invalid alignment
+	information passed to mark_reg_pointer.
+	* explow.c (force_reg): Likewise.
+
+2008-09-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
 	* config/spu/spu.c (spu_override_options): Default to -mno-safe-hints
 	when building for the celledp architecture.
 

gcc/emit-rtl.c

@@ -979,7 +979,7 @@ set_reg_attrs_from_value (rtx reg, rtx x)
 	REG_ATTRS (reg)
 	  = get_reg_attrs (MEM_EXPR (x), INTVAL (MEM_OFFSET (x)) + offset);
       if (MEM_POINTER (x))
-	mark_reg_pointer (reg, MEM_ALIGN (x));
+	mark_reg_pointer (reg, 0);
     }
   else if (REG_P (x))
     {

gcc/explow.c

@@ -698,10 +698,8 @@ force_reg (enum machine_mode mode, rtx x)
 
 	align = MIN (sa, ca);
       }
-    else if (MEM_P (x) && MEM_POINTER (x))
-      align = MEM_ALIGN (x);
 
-    if (align)
+    if (align || (MEM_P (x) && MEM_POINTER (x)))
       mark_reg_pointer (temp, align);
   }