move default for STACK_PUSH_CODE to defaults.h

gcc/ChangeLog:

2015-05-20  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* defaults.h: Add default for STACK_PUSH_CODE.
	* expr.c: Don't redefine STACK_PUSH_CODE.
	* recog.c: Likewise.

From-SVN: r223515

gcc/ChangeLog

 2015-05-20  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 
+	* defaults.h: Add default for STACK_PUSH_CODE.
+	* expr.c: Don't redefine STACK_PUSH_CODE.
+	* recog.c: Likewise.
+
+2015-05-20  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
+
 	* builtins.c, dwarf2cfi.c, explow.c, expr.c, recog.c,
 	sched-deps.c: Use if instead of preprocessor checks with
 	STACK_GROWS_DOWNWARD.

gcc/defaults.h

@@ -1233,6 +1233,14 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #define STACK_GROWS_DOWNWARD 0
 #endif
 
+#ifndef STACK_PUSH_CODE
+#if STACK_GROWS_DOWNWARD
+#define STACK_PUSH_CODE PRE_DEC
+#else
+#define STACK_PUSH_CODE PRE_INC
+#endif
+#endif
+
 #ifdef GCC_INSN_FLAGS_H
 /* Dependent default target macro definitions
 

gcc/expr.c

@@ -98,14 +98,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "rtl-chkp.h"
 #include "ccmp.h"
 
-#ifndef STACK_PUSH_CODE
-#if STACK_GROWS_DOWNWARD
-#define STACK_PUSH_CODE PRE_DEC
-#else
-#define STACK_PUSH_CODE PRE_INC
-#endif
-#endif
-
 
 /* If this is nonzero, we do not bother generating VOLATILE
    around volatile memory references, and we are willing to

gcc/recog.c

@@ -68,14 +68,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "df.h"
 #include "insn-codes.h"
 
-#ifndef STACK_PUSH_CODE
-#if STACK_GROWS_DOWNWARD
-#define STACK_PUSH_CODE PRE_DEC
-#else
-#define STACK_PUSH_CODE PRE_INC
-#endif
-#endif
-
 #ifndef STACK_POP_CODE
 #if STACK_GROWS_DOWNWARD
 #define STACK_POP_CODE POST_INC