arm.c (arm_gen_constant): Remove can_negate_initial.

2011-04-26  Andrew Stubbs  <ams@codesourcery.com>

	gcc/
	* config/arm/arm.c (arm_gen_constant): Remove can_negate_initial.

From-SVN: r172962

gcc/ChangeLog

+2011-04-26  Andrew Stubbs  <ams@codesourcery.com>
+
+	* config/arm/arm.c (arm_gen_constant): Remove can_negate_initial.
+
 2011-04-26  Richard Guenther  <rguenther@suse.de>
 
 	* c-typeck.c (build_unary_op): Do not expand array-refs via

gcc/config/arm/arm.c

@@ -2556,7 +2556,6 @@ arm_gen_constant (enum rtx_code code, enum machine_mode mode, rtx cond,
   int can_invert = 0;
   int can_negate = 0;
   int final_invert = 0;
-  int can_negate_initial = 0;
   int i;
   int num_bits_set = 0;
   int set_sign_bit_copies = 0;
@@ -2580,7 +2579,6 @@ arm_gen_constant (enum rtx_code code, enum machine_mode mode, rtx cond,
 
     case PLUS:
       can_negate = 1;
-      can_negate_initial = 1;
       break;
 
     case IOR: