Remove the unused parameter const arch_env_t *env from arch_get_sp_bias().

[r22680]

ir/be/beabi.c

@@ -2386,7 +2386,6 @@ void be_abi_fix_stack_nodes(be_abi_irg_t *env)
  */
 static int process_stack_bias(be_abi_irg_t *env, ir_node *bl, int real_bias)
 {
-	const arch_env_t *arch_env = env->birg->main_env->arch_env;
 	int               omit_fp  = env->call->flags.bits.try_omit_fp;
 	ir_node          *irn;
 	int               wanted_bias = real_bias;
@@ -2412,7 +2411,7 @@ static int process_stack_bias(be_abi_irg_t *env, ir_node *bl, int real_bias)
 		 * If the node modifies the stack pointer by a constant offset,
 		 * record that in the bias.
 		 */
-		ofs = arch_get_sp_bias(arch_env, irn);
+		ofs = arch_get_sp_bias(irn);
 
 		if (be_is_IncSP(irn)) {
 			/* fill in real stack frame size */

ir/be/bearch.c

@@ -108,10 +108,9 @@ void arch_set_frame_entity(ir_node *irn, ir_entity *ent)
 	ops->set_frame_entity(irn, ent);
 }
 
-int arch_get_sp_bias(const arch_env_t *env, ir_node *irn)
+int arch_get_sp_bias(ir_node *irn)
 {
 	const arch_irn_ops_t *ops = get_irn_ops(irn);
-	(void)env; // TODO remove parameter
 	return ops->get_sp_bias(irn);
 }
 

ir/be/bearch.h

@@ -137,7 +137,7 @@ void arch_set_frame_offset(ir_node *irn, int bias);
 
 ir_entity *arch_get_frame_entity(const ir_node *irn);
 void       arch_set_frame_entity(ir_node *irn, ir_entity *ent);
-extern int arch_get_sp_bias(const arch_env_t *env, ir_node *irn);
+int        arch_get_sp_bias(ir_node *irn);
 
 extern int arch_get_op_estimated_cost(const arch_env_t *env, const ir_node *irn);
 extern arch_inverse_t *arch_get_inverse(const arch_env_t *env, const ir_node *irn, int i, arch_inverse_t *inverse, struct obstack *obstack);