Convert to Pmode if needed in ix86_legitimize_address.

2011-07-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_legitimize_address): Convert to
	Pmode if needed.

From-SVN: r176595

gcc/ChangeLog

 2011-07-21  H.J. Lu  <hongjiu.lu@intel.com>
 
+	* config/i386/i386.c (ix86_legitimize_address): Convert to
+	Pmode if needed.
+
+2011-07-21  H.J. Lu  <hongjiu.lu@intel.com>
+
 	* config/i386/i386.c (function_value_64): Always return pointers
 	in Pmode.
 	(ix86_promote_function_mode): New.

gcc/config/i386/i386.c

@@ -12644,7 +12644,11 @@ ix86_legitimize_address (rtx x, rtx oldx ATTRIBUTE_UNUSED,
 	  rtx temp = gen_reg_rtx (Pmode);
 	  rtx val  = force_operand (XEXP (x, 1), temp);
 	  if (val != temp)
-	    emit_move_insn (temp, val);
+	    {
+	      if (GET_MODE (val) != Pmode)
+		val = convert_to_mode (Pmode, val, 1);
+	      emit_move_insn (temp, val);
+	    }
 
 	  XEXP (x, 1) = temp;
 	  return x;
@@ -12655,7 +12659,11 @@ ix86_legitimize_address (rtx x, rtx oldx ATTRIBUTE_UNUSED,
 	  rtx temp = gen_reg_rtx (Pmode);
 	  rtx val  = force_operand (XEXP (x, 0), temp);
 	  if (val != temp)
-	    emit_move_insn (temp, val);
+	    {
+	      if (GET_MODE (val) != Pmode)
+		val = convert_to_mode (Pmode, val, 1);
+	      emit_move_insn (temp, val);
+	    }
 
 	  XEXP (x, 0) = temp;
 	  return x;