simplify-rtx.c (simplify_binary_operation_1): Correct the condition for…

simplify-rtx.c (simplify_binary_operation_1): Correct the condition for detecting cases like (a&a) and (a^a).

	* simplify-rtx.c (simplify_binary_operation_1): Correct the
	condition for detecting cases like (a&a) and (a^a).

From-SVN: r103955

gcc/ChangeLog

+2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
+
+	* simplify-rtx.c (simplify_binary_operation_1): Correct the 
+	condition for detecting cases like (a&a) and (a^a).
+
 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
 
 	* common.opt: Add option ftree-vect-loop-version.

gcc/simplify-rtx.c

@@ -1661,7 +1661,7 @@ simplify_binary_operation_1 (enum rtx_code code, enum machine_mode mode,
 	  && ((INTVAL (trueop1) & GET_MODE_MASK (mode))
 	      == GET_MODE_MASK (mode)))
 	return simplify_gen_unary (NOT, mode, op0, mode);
-      if (trueop0 == trueop1
+      if (rtx_equal_p (trueop0, trueop1)
 	  && ! side_effects_p (op0)
 	  && GET_MODE_CLASS (mode) != MODE_CC)
 	 return CONST0_RTX (mode);
@@ -1696,7 +1696,7 @@ simplify_binary_operation_1 (enum rtx_code code, enum machine_mode mode,
 	  && GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_WIDE_INT
 	  && (nonzero_bits (trueop0, mode) & ~INTVAL (trueop1)) == 0)
 	return op0;
-      if (trueop0 == trueop1 && ! side_effects_p (op0)
+      if (rtx_equal_p (trueop0, trueop1) && ! side_effects_p (op0)
 	  && GET_MODE_CLASS (mode) != MODE_CC)
 	return op0;
       /* A & (~A) -> 0 */