[PATCH] Fix warnings building pdp11 port

	* config/pdp11/pdp11.c (pdp11_branch_cost): New function.
	* config/pdp11/pdp11.h (BRANCH_COST): Call function rather than
	inline macro expansion.

From-SVN: r228259

gcc/ChangeLog

 2015-09-29  Jeff Law  <law@redhat.com>
 
+	* config/pdp11/pdp11.c (pdp11_branch_cost): New function.
+	* config/pdp11/pdp11.h (BRANCH_COST): Call function rather than
+	inline macro expansion.
+
 	* config/i386/t-interix (winnt-stubs.o): Fix compilation rule.
 
 	* config/sh/sh.c (gen_shl_and): Fix undefined left shift

gcc/config/pdp11/pdp11-protos.h

@@ -47,3 +47,4 @@ extern void output_ascii (FILE *, const char *, int);
 extern void pdp11_asm_output_var (FILE *, const char *, int, int, bool);
 extern void pdp11_expand_prologue (void);
 extern void pdp11_expand_epilogue (void);
+extern int pdp11_branch_cost (void);

gcc/config/pdp11/pdp11.c

@@ -1933,4 +1933,10 @@ pdp11_scalar_mode_supported_p (machine_mode mode)
   return default_scalar_mode_supported_p (mode);
 }
 
+int
+pdp11_branch_cost ()
+{
+  return (TARGET_BRANCH_CHEAP ? 0 : 1);
+}
+
 struct gcc_target targetm = TARGET_INITIALIZER;

gcc/config/pdp11/pdp11.h

@@ -660,8 +660,7 @@ extern rtx cc0_reg_rtx;
 /* there is no point in avoiding branches on a pdp, 
    since branches are really cheap - I just want to find out
    how much difference the BRANCH_COST macro makes in code */
-#define BRANCH_COST(speed_p, predictable_p) (TARGET_BRANCH_CHEAP ? 0 : 1)
-
+#define BRANCH_COST(speed_p, predictable_p) pdp11_branch_cost ()
 
 #define COMPARE_FLAG_MODE HImode