common.opt (fvect-cost-model): Remove RejectNegative flag...

	* common.opt (fvect-cost-model): Remove RejectNegative flag, use
	3 argument Alias with unlimited for the negative form.
	(fno-vect-cost-model): Removed.

From-SVN: r244106

gcc/ChangeLog

+2017-01-05  Jakub Jelinek  <jakub@redhat.com>
+
+	* common.opt (fvect-cost-model): Remove RejectNegative flag, use
+	3 argument Alias with unlimited for the negative form.
+	(fno-vect-cost-model): Removed.
+
 2017-01-05  Martin Liska  <mliska@suse.cz>
 
 	* hsa-gen.c (gen_hsa_divmod): New function.

gcc/common.opt

@@ -2706,13 +2706,9 @@ EnumValue
 Enum(vect_cost_model) String(cheap) Value(VECT_COST_MODEL_CHEAP)
 
 fvect-cost-model
-Common RejectNegative Alias(fvect-cost-model=,dynamic)
+Common Alias(fvect-cost-model=,dynamic,unlimited)
 Enables the dynamic vectorizer cost model.  Preserved for backward compatibility.
 
-fno-vect-cost-model
-Common RejectNegative Alias(fvect-cost-model=,unlimited)
-Enables the unlimited vectorizer cost model.  Preserved for backward compatibility.
-
 ftree-vect-loop-version
 Common Ignore
 Does nothing. Preserved for backward compatibility.