tcg: Add tcg target default memory ordering

Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Message-Id: <20170829063313.10237-3-bobby.prani@gmail.com>
[rth: Dropped ia64 hunk]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

tcg/aarch64/tcg-target.h

@@ -117,4 +117,6 @@ static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
     __builtin___clear_cache((char *)start, (char *)stop);
 }
 
+#define TCG_TARGET_DEFAULT_MO (0)
+
 #endif /* AARCH64_TCG_TARGET_H */

tcg/arm/tcg-target.h

@@ -134,4 +134,6 @@ static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
     __builtin___clear_cache((char *) start, (char *) stop);
 }
 
+#define TCG_TARGET_DEFAULT_MO (0)
+
 #endif

tcg/mips/tcg-target.h

@@ -206,4 +206,6 @@ static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
     cacheflush ((void *)start, stop-start, ICACHE);
 }
 
+#define TCG_TARGET_DEFAULT_MO (0)
+
 #endif

tcg/ppc/tcg-target.h

@@ -125,4 +125,6 @@ extern bool have_isa_3_00;
 
 void flush_icache_range(uintptr_t start, uintptr_t stop);
 
+#define TCG_TARGET_DEFAULT_MO (0)
+
 #endif

tcg/s390/tcg-target.h

@@ -133,6 +133,8 @@ extern uint64_t s390_facilities;
 
 #define TCG_TARGET_EXTEND_ARGS 1
 
+#define TCG_TARGET_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD)
+
 enum {
     TCG_AREG0 = TCG_REG_R10,
 };

tcg/sparc/tcg-target.h

@@ -162,6 +162,8 @@ extern bool use_vis3_instructions;
 
 #define TCG_AREG0 TCG_REG_I0
 
+#define TCG_TARGET_DEFAULT_MO (0)
+
 static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
 {
     uintptr_t p;