diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c
index 6d227a5..2b0b548 100644
--- a/tcg/aarch64/tcg-target.inc.c
+++ b/tcg/aarch64/tcg-target.inc.c
@@ -1032,7 +1032,7 @@ static void tcg_out_cltz(TCGContext *s, TCGType ext, TCGReg d,
 /* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr,
  *                                     TCGMemOpIdx oi, uintptr_t ra)
  */
-static void * const qemu_ld_helpers[16] = {
+static void * const qemu_ld_helpers[] = {
     [MO_UB]   = helper_ret_ldub_mmu,
     [MO_LEUW] = helper_le_lduw_mmu,
     [MO_LEUL] = helper_le_ldul_mmu,
@@ -1046,7 +1046,7 @@ static void * const qemu_ld_helpers[16] = {
  *                                     uintxx_t val, TCGMemOpIdx oi,
  *                                     uintptr_t ra)
  */
-static void * const qemu_st_helpers[16] = {
+static void * const qemu_st_helpers[] = {
     [MO_UB]   = helper_ret_stb_mmu,
     [MO_LEUW] = helper_le_stw_mmu,
     [MO_LEUL] = helper_le_stl_mmu,
diff --git a/tcg/arm/tcg-target.inc.c b/tcg/arm/tcg-target.inc.c
index e75a6d4..f603f02 100644
--- a/tcg/arm/tcg-target.inc.c
+++ b/tcg/arm/tcg-target.inc.c
@@ -1058,7 +1058,7 @@ static inline void tcg_out_mb(TCGContext *s, TCGArg a0)
 /* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr,
  *                                     int mmu_idx, uintptr_t ra)
  */
-static void * const qemu_ld_helpers[16] = {
+static void * const qemu_ld_helpers[] = {
     [MO_UB]   = helper_ret_ldub_mmu,
     [MO_SB]   = helper_ret_ldsb_mmu,
 
@@ -1078,7 +1078,7 @@ static void * const qemu_ld_helpers[16] = {
 /* helper signature: helper_ret_st_mmu(CPUState *env, target_ulong addr,
  *                                     uintxx_t val, int mmu_idx, uintptr_t ra)
  */
-static void * const qemu_st_helpers[16] = {
+static void * const qemu_st_helpers[] = {
     [MO_UB]   = helper_ret_stb_mmu,
     [MO_LEUW] = helper_le_stw_mmu,
     [MO_LEUL] = helper_le_stl_mmu,
diff --git a/tcg/i386/tcg-target.inc.c b/tcg/i386/tcg-target.inc.c
index d8f0d81..263c15e 100644
--- a/tcg/i386/tcg-target.inc.c
+++ b/tcg/i386/tcg-target.inc.c
@@ -1334,7 +1334,7 @@ static void tcg_out_nopn(TCGContext *s, int n)
 /* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr,
  *                                     int mmu_idx, uintptr_t ra)
  */
-static void * const qemu_ld_helpers[16] = {
+static void * const qemu_ld_helpers[] = {
     [MO_UB]   = helper_ret_ldub_mmu,
     [MO_LEUW] = helper_le_lduw_mmu,
     [MO_LEUL] = helper_le_ldul_mmu,
@@ -1347,7 +1347,7 @@ static void * const qemu_ld_helpers[16] = {
 /* helper signature: helper_ret_st_mmu(CPUState *env, target_ulong addr,
  *                                     uintxx_t val, int mmu_idx, uintptr_t ra)
  */
-static void * const qemu_st_helpers[16] = {
+static void * const qemu_st_helpers[] = {
     [MO_UB]   = helper_ret_stb_mmu,
     [MO_LEUW] = helper_le_stw_mmu,
     [MO_LEUL] = helper_le_stl_mmu,
diff --git a/tcg/mips/tcg-target.inc.c b/tcg/mips/tcg-target.inc.c
index 01ac7b2..4f2d5d1 100644
--- a/tcg/mips/tcg-target.inc.c
+++ b/tcg/mips/tcg-target.inc.c
@@ -1108,7 +1108,7 @@ static void tcg_out_call(TCGContext *s, tcg_insn_unit *arg)
 }
 
 #if defined(CONFIG_SOFTMMU)
-static void * const qemu_ld_helpers[16] = {
+static void * const qemu_ld_helpers[] = {
     [MO_UB]   = helper_ret_ldub_mmu,
     [MO_SB]   = helper_ret_ldsb_mmu,
     [MO_LEUW] = helper_le_lduw_mmu,
@@ -1125,7 +1125,7 @@ static void * const qemu_ld_helpers[16] = {
 #endif
 };
 
-static void * const qemu_st_helpers[16] = {
+static void * const qemu_st_helpers[] = {
     [MO_UB]   = helper_ret_stb_mmu,
     [MO_LEUW] = helper_le_stw_mmu,
     [MO_LEUL] = helper_le_stl_mmu,
diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c
index 64f67d2..680050b 100644
--- a/tcg/ppc/tcg-target.inc.c
+++ b/tcg/ppc/tcg-target.inc.c
@@ -1419,7 +1419,7 @@ static const uint32_t qemu_exts_opc[4] = {
 /* helper signature: helper_ld_mmu(CPUState *env, target_ulong addr,
  *                                 int mmu_idx, uintptr_t ra)
  */
-static void * const qemu_ld_helpers[16] = {
+static void * const qemu_ld_helpers[] = {
     [MO_UB]   = helper_ret_ldub_mmu,
     [MO_LEUW] = helper_le_lduw_mmu,
     [MO_LEUL] = helper_le_ldul_mmu,
@@ -1432,7 +1432,7 @@ static void * const qemu_ld_helpers[16] = {
 /* helper signature: helper_st_mmu(CPUState *env, target_ulong addr,
  *                                 uintxx_t val, int mmu_idx, uintptr_t ra)
  */
-static void * const qemu_st_helpers[16] = {
+static void * const qemu_st_helpers[] = {
     [MO_UB]   = helper_ret_stb_mmu,
     [MO_LEUW] = helper_le_stw_mmu,
     [MO_LEUL] = helper_le_stl_mmu,
diff --git a/tcg/s390/tcg-target.inc.c b/tcg/s390/tcg-target.inc.c
index a679280..ec3491a 100644
--- a/tcg/s390/tcg-target.inc.c
+++ b/tcg/s390/tcg-target.inc.c
@@ -309,7 +309,7 @@ static const uint8_t tcg_cond_to_ltr_cond[] = {
 };
 
 #ifdef CONFIG_SOFTMMU
-static void * const qemu_ld_helpers[16] = {
+static void * const qemu_ld_helpers[] = {
     [MO_UB]   = helper_ret_ldub_mmu,
     [MO_SB]   = helper_ret_ldsb_mmu,
     [MO_LEUW] = helper_le_lduw_mmu,
@@ -324,7 +324,7 @@ static void * const qemu_ld_helpers[16] = {
     [MO_BEQ]  = helper_be_ldq_mmu,
 };
 
-static void * const qemu_st_helpers[16] = {
+static void * const qemu_st_helpers[] = {
     [MO_UB]   = helper_ret_stb_mmu,
     [MO_LEUW] = helper_le_stw_mmu,
     [MO_LEUL] = helper_le_stl_mmu,
diff --git a/tcg/sparc/tcg-target.inc.c b/tcg/sparc/tcg-target.inc.c
index d1f4c0d..1b115d2 100644
--- a/tcg/sparc/tcg-target.inc.c
+++ b/tcg/sparc/tcg-target.inc.c
@@ -840,12 +840,12 @@ static void tcg_out_mb(TCGContext *s, TCGArg a0)
 }
 
 #ifdef CONFIG_SOFTMMU
-static tcg_insn_unit *qemu_ld_trampoline[16];
-static tcg_insn_unit *qemu_st_trampoline[16];
+static tcg_insn_unit *qemu_ld_trampoline[MO_ALL];
+static tcg_insn_unit *qemu_st_trampoline[MO_ALL];
 
 static void build_trampolines(TCGContext *s)
 {
-    static void * const qemu_ld_helpers[16] = {
+    static void * const qemu_ld_helpers[MO_ALL] = {
         [MO_UB]   = helper_ret_ldub_mmu,
         [MO_SB]   = helper_ret_ldsb_mmu,
         [MO_LEUW] = helper_le_lduw_mmu,
@@ -857,7 +857,7 @@ static void build_trampolines(TCGContext *s)
         [MO_BEUL] = helper_be_ldul_mmu,
         [MO_BEQ]  = helper_be_ldq_mmu,
     };
-    static void * const qemu_st_helpers[16] = {
+    static void * const qemu_st_helpers[MO_ALL] = {
         [MO_UB]   = helper_ret_stb_mmu,
         [MO_LEUW] = helper_le_stw_mmu,
         [MO_LEUL] = helper_le_stl_mmu,
@@ -870,7 +870,7 @@ static void build_trampolines(TCGContext *s)
     int i;
     TCGReg ra;
 
-    for (i = 0; i < 16; ++i) {
+    for (i = 0; i < MO_ALL; ++i) {
         if (qemu_ld_helpers[i] == NULL) {
             continue;
         }
@@ -898,7 +898,7 @@ static void build_trampolines(TCGContext *s)
         tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_O7, ra);
     }
 
-    for (i = 0; i < 16; ++i) {
+    for (i = 0; i < MO_ALL; ++i) {
         if (qemu_st_helpers[i] == NULL) {
             continue;
         }
diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
index 8a19eee..0dfe611 100644
--- a/tcg/tcg-op.c
+++ b/tcg/tcg-op.c
@@ -2767,7 +2767,7 @@ typedef void (*gen_atomic_op_i64)(TCGv_i64, TCGv_env, TCGv, TCGv_i64);
 # define WITH_ATOMIC64(X)
 #endif
 
-static void * const table_cmpxchg[16] = {
+static void * const table_cmpxchg[] = {
     [MO_8] = gen_helper_atomic_cmpxchgb,
     [MO_16 | MO_LE] = gen_helper_atomic_cmpxchgw_le,
     [MO_16 | MO_BE] = gen_helper_atomic_cmpxchgw_be,
@@ -2985,7 +2985,7 @@ static void do_atomic_op_i64(TCGv_i64 ret, TCGv addr, TCGv_i64 val,
 }
 
 #define GEN_ATOMIC_HELPER(NAME, OP, NEW)                                \
-static void * const table_##NAME[16] = {                                \
+static void * const table_##NAME[] = {                                  \
     [MO_8] = gen_helper_atomic_##NAME##b,                               \
     [MO_16 | MO_LE] = gen_helper_atomic_##NAME##w_le,                   \
     [MO_16 | MO_BE] = gen_helper_atomic_##NAME##w_be,                   \
diff --git a/tcg/tcg.h b/tcg/tcg.h
index fd43f15..5e0c6da 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -386,6 +386,7 @@ typedef enum TCGMemOp {
     MO_TEQ   = MO_TE | MO_Q,
 
     MO_SSIZE = MO_SIZE | MO_SIGN,
+    MO_ALL   = MO_SIZE | MO_SIGN | MO_BSWAP | MO_AMASK,
 } TCGMemOp;
 
 /**
