combine.c (simplify_comparison, case AND): Remove a redundant test.

	* combine.c (simplify_comparison, case AND): Remove a redundant
	test.

From-SVN: r61787

gcc/ChangeLog

+2003-01-25  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* combine.c (simplify_comparison, case AND): Remove a redundant
+	test.
+
 2002-01-25  Roger Sayle  <roger@eyesopen.com>
 
 	* function.h (struct function): New field calls_constant_p.

gcc/combine.c

@@ -10908,6 +10908,12 @@ simplify_comparison (code, pop0, pop1)
 	     represents the low part, permute the SUBREG and the AND and
 	     try again.  */
 	  if (GET_CODE (XEXP (op0, 0)) == SUBREG
+	      /* It is unsafe to commute the AND into the SUBREG if the SUBREG
+		 is paradoxical and WORD_REGISTER_OPERATIONS is not defined.
+		 As originally written the upper bits have a defined value
+		 due to the AND operation.  However, if we commute the AND
+		 inside the SUBREG then they no longer have defined values
+		 and the meaning of the code has been changed.  */
 	      && (0
 #ifdef WORD_REGISTER_OPERATIONS
 		  || ((mode_width
@@ -10919,16 +10925,6 @@ simplify_comparison (code, pop0, pop1)
 		       <= (GET_MODE_BITSIZE
 			   (GET_MODE (SUBREG_REG (XEXP (op0, 0))))))
 		      && subreg_lowpart_p (XEXP (op0, 0))))
-#ifndef WORD_REGISTER_OPERATIONS
-	      /* It is unsafe to commute the AND into the SUBREG if the SUBREG
-		 is paradoxical and WORD_REGISTER_OPERATIONS is not defined.
-		 As originally written the upper bits have a defined value
-		 due to the AND operation.  However, if we commute the AND
-		 inside the SUBREG then they no longer have defined values
-		 and the meaning of the code has been changed.  */
-	      && (GET_MODE_SIZE (GET_MODE (XEXP (op0, 0)))
-		  <= GET_MODE_SIZE (GET_MODE (SUBREG_REG (XEXP (op0, 0)))))
-#endif
 	      && GET_CODE (XEXP (op0, 1)) == CONST_INT
 	      && mode_width <= HOST_BITS_PER_WIDE_INT
 	      && (GET_MODE_BITSIZE (GET_MODE (SUBREG_REG (XEXP (op0, 0))))