rtlanal.c (reg_mentioned_p): Return 0 earlier if REG and IN are known to be not equivalent.

	* rtlanal.c (reg_mentioned_p): Return 0 earlier if REG and IN
	are known to be not equivalent.

From-SVN: r68599

gcc/ChangeLog

+2003-06-27  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* rtlanal.c (reg_mentioned_p): Return 0 earlier if REG and IN
+	are known to be not equivalent.
+
 2003-06-27  Richard Henderson  <rth@redhat.com>
 
 	* config/alpha/alpha.c (function_arg): Don't pass small aggregates

gcc/rtlanal.c

@@ -754,8 +754,6 @@ reg_mentioned_p (reg, in)
       return 0;
 
     case CONST_INT:
-      return GET_CODE (reg) == CONST_INT && INTVAL (in) == INTVAL (reg);
-
     case CONST_VECTOR:
     case CONST_DOUBLE:
       /* These are kept unique for a given value.  */