[arm.c] Use VAR_P

[Prathamesh Kulkarni]

Hi,
This patch uses replaces TREE_CODE(x) == VAR_DECL by VAR_P(x) in arm.c.
Bootstrap+tested on arm-linux-gnueabihf.
OK to commit ?

Thanks,
Prathamesh

2016-10-28  Prathamesh Kulkarni  <prathamesh.kulka...@linaro.org>

        * config/arm/arm.c (arm_const_not_ok_for_debug_p): Use VAR_P.

diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 3c4c704..a39e64f 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -30150,9 +30150,9 @@ arm_const_not_ok_for_debug_p (rtx p)
              && GET_CODE (XEXP (p, 0)) == SYMBOL_REF
              && (decl_op0 = SYMBOL_REF_DECL (XEXP (p, 0))))
            {
-             if ((TREE_CODE (decl_op1) == VAR_DECL
+             if ((VAR_P (decl_op1)
                   || TREE_CODE (decl_op1) == CONST_DECL)
-                 && (TREE_CODE (decl_op0) == VAR_DECL
+                 && (VAR_P (decl_op0)
                      || TREE_CODE (decl_op0) == CONST_DECL))
                return (get_variable_section (decl_op1, false)
                        != get_variable_section (decl_op0, false));