diff --git a/CMakeLists.txt b/CMakeLists.txt
index 678d2a2..1a1f81a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -75,10 +75,15 @@ message(STATUS "WITH_GUEST: ${WITH_GUEST}")
 if(WITH_GUEST MATCHES "i386")
     set(TARGET_LONG_BITS "32")
     set(TARGET_INSN_START_EXTRA_WORDS "1")
+    set(TARGET_I386 "1")
 elseif(WITH_GUEST MATCHES "x86_64")
     set(TARGET_LONG_BITS "64")
     set(TARGET_INSN_START_EXTRA_WORDS "1")
     set(TARGET_X86_64 "1")
+elseif(WITH_GUEST MATCHES "arm")
+    set(TARGET_LONG_BITS "32")
+    set(TARGET_INSN_START_EXTRA_WORDS "2")
+    set(TARGET_ARM "1")
 else()
     message(FATAL_ERROR "Incorrect target ${WITH_GUEST}")
 endif()
diff --git a/include/tcg/helper-head.h b/include/tcg/helper-head.h
index fcbcdd2..7a4dfca 100644
--- a/include/tcg/helper-head.h
+++ b/include/tcg/helper-head.h
@@ -20,6 +20,9 @@
 
 #define HELPER(name) glue(helper_, name)
 
+// XXX: this is in softfloat.
+typedef uint32_t float32;
+typedef uint64_t float64;
 /* Some types that make sense in C, but not for TCG.  */
 #define dh_alias_i32 i32
 #define dh_alias_s32 i32
diff --git a/include/tcg/helper.h b/include/tcg/helper.h
index 6ba4abe..b603c0d 100644
--- a/include/tcg/helper.h
+++ b/include/tcg/helper.h
@@ -1,3 +1,483 @@
+/*===============ARM helper.h======================*/
+#if defined(TARGET_ARM)
+DEF_HELPER_3(cpsr_write, void, env, i32, i32)
+DEF_HELPER_1(cpsr_read, i32, env)
+
+DEF_HELPER_2(get_user_reg, i32, env, i32)
+DEF_HELPER_3(set_user_reg, void, env, i32, i32)
+
+DEF_HELPER_3(add_cc, i32, env, i32, i32)
+DEF_HELPER_3(adc_cc, i32, env, i32, i32)
+DEF_HELPER_3(sub_cc, i32, env, i32, i32)
+DEF_HELPER_3(sbc_cc, i32, env, i32, i32)
+DEF_HELPER_3(shl_cc, i32, env, i32, i32)
+DEF_HELPER_3(shr_cc, i32, env, i32, i32)
+DEF_HELPER_3(sar_cc, i32, env, i32, i32)
+DEF_HELPER_3(ror_cc, i32, env, i32, i32)
+
+DEF_HELPER_1(clz, i32, i32)
+DEF_HELPER_FLAGS_1(sxtb16, TCG_CALL_NO_RWG_SE, i32, i32)
+DEF_HELPER_FLAGS_1(uxtb16, TCG_CALL_NO_RWG_SE, i32, i32)
+
+DEF_HELPER_2(add_setq, i32, i32, i32)
+DEF_HELPER_2(add_saturate, i32, i32, i32)
+DEF_HELPER_2(sub_saturate, i32, i32, i32)
+DEF_HELPER_2(add_usaturate, i32, i32, i32)
+DEF_HELPER_2(sub_usaturate, i32, i32, i32)
+DEF_HELPER_1(double_saturate, i32, s32)
+DEF_HELPER_FLAGS_2(sdiv, TCG_CALL_NO_RWG_SE, s32, s32, s32)
+DEF_HELPER_FLAGS_2(udiv, TCG_CALL_NO_RWG_SE, i32, i32, i32)
+DEF_HELPER_1(rbit, i32, i32)
+DEF_HELPER_1(abs, i32, i32)
+
+#define PAS_OP(pfx)                                \
+    DEF_HELPER_3(pfx##add8, i32, i32, i32, ptr)    \
+    DEF_HELPER_3(pfx##sub8, i32, i32, i32, ptr)    \
+    DEF_HELPER_3(pfx##sub16, i32, i32, i32, ptr)   \
+    DEF_HELPER_3(pfx##add16, i32, i32, i32, ptr)   \
+    DEF_HELPER_3(pfx##addsubx, i32, i32, i32, ptr) \
+    DEF_HELPER_3(pfx##subaddx, i32, i32, i32, ptr)
+
+PAS_OP(s)
+PAS_OP(u)
+#undef PAS_OP
+
+#define PAS_OP(pfx)                           \
+    DEF_HELPER_2(pfx##add8, i32, i32, i32)    \
+    DEF_HELPER_2(pfx##sub8, i32, i32, i32)    \
+    DEF_HELPER_2(pfx##sub16, i32, i32, i32)   \
+    DEF_HELPER_2(pfx##add16, i32, i32, i32)   \
+    DEF_HELPER_2(pfx##addsubx, i32, i32, i32) \
+    DEF_HELPER_2(pfx##subaddx, i32, i32, i32)
+PAS_OP(q)
+PAS_OP(sh)
+PAS_OP(uq)
+PAS_OP(uh)
+#undef PAS_OP
+
+DEF_HELPER_2(ssat, i32, i32, i32)
+DEF_HELPER_2(usat, i32, i32, i32)
+DEF_HELPER_2(ssat16, i32, i32, i32)
+DEF_HELPER_2(usat16, i32, i32, i32)
+
+DEF_HELPER_2(usad8, i32, i32, i32)
+
+DEF_HELPER_1(logicq_cc, i32, i64)
+
+DEF_HELPER_3(sel_flags, i32, i32, i32, i32)
+DEF_HELPER_1(exception, void, i32)
+DEF_HELPER_0(wfi, void)
+
+DEF_HELPER_2(get_r13_banked, i32, env, i32)
+DEF_HELPER_3(set_r13_banked, void, env, i32, i32)
+
+// DEF_HELPER_2(get_r14_banked, i32, env, i32)
+// DEF_HELPER_3(set_r14_banked, void, env, i32, i32)
+
+// DEF_HELPER_2(get_spsr_banked, i32, env, i32)
+// DEF_HELPER_3(set_spsr_banked, void, env, i32, i32)
+
+DEF_HELPER_3(v7m_msr, void, env, i32, i32)
+DEF_HELPER_2(v7m_mrs, i32, env, i32)
+
+DEF_HELPER_3(set_cp15, void, env, i32, i32)
+DEF_HELPER_2(get_cp15, i32, env, i32)
+
+DEF_HELPER_3(set_cp, void, env, i32, i32)
+DEF_HELPER_2(get_cp, i32, env, i32)
+
+DEF_HELPER_1(vfp_get_fpscr, i32, env)
+DEF_HELPER_2(vfp_set_fpscr, void, env, i32)
+
+DEF_HELPER_3(vfp_adds, f32, f32, f32, ptr)
+DEF_HELPER_3(vfp_addd, f64, f64, f64, ptr)
+DEF_HELPER_3(vfp_subs, f32, f32, f32, ptr)
+DEF_HELPER_3(vfp_subd, f64, f64, f64, ptr)
+DEF_HELPER_3(vfp_muls, f32, f32, f32, ptr)
+DEF_HELPER_3(vfp_muld, f64, f64, f64, ptr)
+DEF_HELPER_3(vfp_divs, f32, f32, f32, ptr)
+DEF_HELPER_3(vfp_divd, f64, f64, f64, ptr)
+DEF_HELPER_1(vfp_negs, f32, f32)
+DEF_HELPER_1(vfp_negd, f64, f64)
+DEF_HELPER_1(vfp_abss, f32, f32)
+DEF_HELPER_1(vfp_absd, f64, f64)
+DEF_HELPER_2(vfp_sqrts, f32, f32, env)
+DEF_HELPER_2(vfp_sqrtd, f64, f64, env)
+DEF_HELPER_3(vfp_cmps, void, f32, f32, env)
+DEF_HELPER_3(vfp_cmpd, void, f64, f64, env)
+DEF_HELPER_3(vfp_cmpes, void, f32, f32, env)
+DEF_HELPER_3(vfp_cmped, void, f64, f64, env)
+
+DEF_HELPER_2(vfp_fcvtds, f64, f32, env)
+DEF_HELPER_2(vfp_fcvtsd, f32, f64, env)
+
+DEF_HELPER_2(vfp_uitos, f32, i32, ptr)
+DEF_HELPER_2(vfp_uitod, f64, i32, ptr)
+DEF_HELPER_2(vfp_sitos, f32, i32, ptr)
+DEF_HELPER_2(vfp_sitod, f64, i32, ptr)
+
+DEF_HELPER_2(vfp_touis, i32, f32, ptr)
+DEF_HELPER_2(vfp_touid, i32, f64, ptr)
+DEF_HELPER_2(vfp_touizs, i32, f32, ptr)
+DEF_HELPER_2(vfp_touizd, i32, f64, ptr)
+DEF_HELPER_2(vfp_tosis, i32, f32, ptr)
+DEF_HELPER_2(vfp_tosid, i32, f64, ptr)
+DEF_HELPER_2(vfp_tosizs, i32, f32, ptr)
+DEF_HELPER_2(vfp_tosizd, i32, f64, ptr)
+
+DEF_HELPER_3(vfp_toshs, i32, f32, i32, ptr)
+DEF_HELPER_3(vfp_tosls, i32, f32, i32, ptr)
+DEF_HELPER_3(vfp_touhs, i32, f32, i32, ptr)
+DEF_HELPER_3(vfp_touls, i32, f32, i32, ptr)
+DEF_HELPER_3(vfp_toshd, i64, f64, i32, ptr)
+DEF_HELPER_3(vfp_tosld, i64, f64, i32, ptr)
+DEF_HELPER_3(vfp_touhd, i64, f64, i32, ptr)
+DEF_HELPER_3(vfp_tould, i64, f64, i32, ptr)
+DEF_HELPER_3(vfp_shtos, f32, i32, i32, ptr)
+DEF_HELPER_3(vfp_sltos, f32, i32, i32, ptr)
+DEF_HELPER_3(vfp_uhtos, f32, i32, i32, ptr)
+DEF_HELPER_3(vfp_ultos, f32, i32, i32, ptr)
+DEF_HELPER_3(vfp_shtod, f64, i64, i32, ptr)
+DEF_HELPER_3(vfp_sltod, f64, i64, i32, ptr)
+DEF_HELPER_3(vfp_uhtod, f64, i64, i32, ptr)
+DEF_HELPER_3(vfp_ultod, f64, i64, i32, ptr)
+
+DEF_HELPER_2(vfp_fcvt_f16_to_f32, f32, i32, env)
+DEF_HELPER_2(vfp_fcvt_f32_to_f16, i32, f32, env)
+DEF_HELPER_2(neon_fcvt_f16_to_f32, f32, i32, env)
+DEF_HELPER_2(neon_fcvt_f32_to_f16, i32, f32, env)
+
+DEF_HELPER_4(vfp_muladdd, f64, f64, f64, f64, ptr)
+DEF_HELPER_4(vfp_muladds, f32, f32, f32, f32, ptr)
+
+DEF_HELPER_3(recps_f32, f32, f32, f32, env)
+DEF_HELPER_3(rsqrts_f32, f32, f32, f32, env)
+DEF_HELPER_2(recpe_f32, f32, f32, env)
+DEF_HELPER_2(rsqrte_f32, f32, f32, env)
+DEF_HELPER_2(recpe_u32, i32, i32, env)
+DEF_HELPER_2(rsqrte_u32, i32, i32, env)
+DEF_HELPER_4(neon_tbl, i32, i32, i32, i32, i32)
+
+DEF_HELPER_2(shl, i32, i32, i32)
+DEF_HELPER_2(shr, i32, i32, i32)
+DEF_HELPER_2(sar, i32, i32, i32)
+
+/* neon_helper.c */
+DEF_HELPER_3(neon_qadd_u8, i32, env, i32, i32)
+DEF_HELPER_3(neon_qadd_s8, i32, env, i32, i32)
+DEF_HELPER_3(neon_qadd_u16, i32, env, i32, i32)
+DEF_HELPER_3(neon_qadd_s16, i32, env, i32, i32)
+DEF_HELPER_3(neon_qadd_u32, i32, env, i32, i32)
+DEF_HELPER_3(neon_qadd_s32, i32, env, i32, i32)
+DEF_HELPER_3(neon_qsub_u8, i32, env, i32, i32)
+DEF_HELPER_3(neon_qsub_s8, i32, env, i32, i32)
+DEF_HELPER_3(neon_qsub_u16, i32, env, i32, i32)
+DEF_HELPER_3(neon_qsub_s16, i32, env, i32, i32)
+DEF_HELPER_3(neon_qsub_u32, i32, env, i32, i32)
+DEF_HELPER_3(neon_qsub_s32, i32, env, i32, i32)
+DEF_HELPER_3(neon_qadd_u64, i64, env, i64, i64)
+DEF_HELPER_3(neon_qadd_s64, i64, env, i64, i64)
+DEF_HELPER_3(neon_qsub_u64, i64, env, i64, i64)
+DEF_HELPER_3(neon_qsub_s64, i64, env, i64, i64)
+
+DEF_HELPER_2(neon_hadd_s8, i32, i32, i32)
+DEF_HELPER_2(neon_hadd_u8, i32, i32, i32)
+DEF_HELPER_2(neon_hadd_s16, i32, i32, i32)
+DEF_HELPER_2(neon_hadd_u16, i32, i32, i32)
+DEF_HELPER_2(neon_hadd_s32, s32, s32, s32)
+DEF_HELPER_2(neon_hadd_u32, i32, i32, i32)
+DEF_HELPER_2(neon_rhadd_s8, i32, i32, i32)
+DEF_HELPER_2(neon_rhadd_u8, i32, i32, i32)
+DEF_HELPER_2(neon_rhadd_s16, i32, i32, i32)
+DEF_HELPER_2(neon_rhadd_u16, i32, i32, i32)
+DEF_HELPER_2(neon_rhadd_s32, s32, s32, s32)
+DEF_HELPER_2(neon_rhadd_u32, i32, i32, i32)
+DEF_HELPER_2(neon_hsub_s8, i32, i32, i32)
+DEF_HELPER_2(neon_hsub_u8, i32, i32, i32)
+DEF_HELPER_2(neon_hsub_s16, i32, i32, i32)
+DEF_HELPER_2(neon_hsub_u16, i32, i32, i32)
+DEF_HELPER_2(neon_hsub_s32, s32, s32, s32)
+DEF_HELPER_2(neon_hsub_u32, i32, i32, i32)
+
+DEF_HELPER_2(neon_cgt_u8, i32, i32, i32)
+DEF_HELPER_2(neon_cgt_s8, i32, i32, i32)
+DEF_HELPER_2(neon_cgt_u16, i32, i32, i32)
+DEF_HELPER_2(neon_cgt_s16, i32, i32, i32)
+DEF_HELPER_2(neon_cgt_u32, i32, i32, i32)
+DEF_HELPER_2(neon_cgt_s32, i32, i32, i32)
+DEF_HELPER_2(neon_cge_u8, i32, i32, i32)
+DEF_HELPER_2(neon_cge_s8, i32, i32, i32)
+DEF_HELPER_2(neon_cge_u16, i32, i32, i32)
+DEF_HELPER_2(neon_cge_s16, i32, i32, i32)
+DEF_HELPER_2(neon_cge_u32, i32, i32, i32)
+DEF_HELPER_2(neon_cge_s32, i32, i32, i32)
+
+DEF_HELPER_2(neon_min_u8, i32, i32, i32)
+DEF_HELPER_2(neon_min_s8, i32, i32, i32)
+DEF_HELPER_2(neon_min_u16, i32, i32, i32)
+DEF_HELPER_2(neon_min_s16, i32, i32, i32)
+DEF_HELPER_2(neon_min_u32, i32, i32, i32)
+DEF_HELPER_2(neon_min_s32, i32, i32, i32)
+DEF_HELPER_2(neon_max_u8, i32, i32, i32)
+DEF_HELPER_2(neon_max_s8, i32, i32, i32)
+DEF_HELPER_2(neon_max_u16, i32, i32, i32)
+DEF_HELPER_2(neon_max_s16, i32, i32, i32)
+DEF_HELPER_2(neon_max_u32, i32, i32, i32)
+DEF_HELPER_2(neon_max_s32, i32, i32, i32)
+DEF_HELPER_2(neon_pmin_u8, i32, i32, i32)
+DEF_HELPER_2(neon_pmin_s8, i32, i32, i32)
+DEF_HELPER_2(neon_pmin_u16, i32, i32, i32)
+DEF_HELPER_2(neon_pmin_s16, i32, i32, i32)
+DEF_HELPER_2(neon_pmax_u8, i32, i32, i32)
+DEF_HELPER_2(neon_pmax_s8, i32, i32, i32)
+DEF_HELPER_2(neon_pmax_u16, i32, i32, i32)
+DEF_HELPER_2(neon_pmax_s16, i32, i32, i32)
+
+DEF_HELPER_2(neon_abd_u8, i32, i32, i32)
+DEF_HELPER_2(neon_abd_s8, i32, i32, i32)
+DEF_HELPER_2(neon_abd_u16, i32, i32, i32)
+DEF_HELPER_2(neon_abd_s16, i32, i32, i32)
+DEF_HELPER_2(neon_abd_u32, i32, i32, i32)
+DEF_HELPER_2(neon_abd_s32, i32, i32, i32)
+
+DEF_HELPER_2(neon_shl_u8, i32, i32, i32)
+DEF_HELPER_2(neon_shl_s8, i32, i32, i32)
+DEF_HELPER_2(neon_shl_u16, i32, i32, i32)
+DEF_HELPER_2(neon_shl_s16, i32, i32, i32)
+DEF_HELPER_2(neon_shl_u32, i32, i32, i32)
+DEF_HELPER_2(neon_shl_s32, i32, i32, i32)
+DEF_HELPER_2(neon_shl_u64, i64, i64, i64)
+DEF_HELPER_2(neon_shl_s64, i64, i64, i64)
+DEF_HELPER_2(neon_rshl_u8, i32, i32, i32)
+DEF_HELPER_2(neon_rshl_s8, i32, i32, i32)
+DEF_HELPER_2(neon_rshl_u16, i32, i32, i32)
+DEF_HELPER_2(neon_rshl_s16, i32, i32, i32)
+DEF_HELPER_2(neon_rshl_u32, i32, i32, i32)
+DEF_HELPER_2(neon_rshl_s32, i32, i32, i32)
+DEF_HELPER_2(neon_rshl_u64, i64, i64, i64)
+DEF_HELPER_2(neon_rshl_s64, i64, i64, i64)
+DEF_HELPER_3(neon_qshl_u8, i32, env, i32, i32)
+DEF_HELPER_3(neon_qshl_s8, i32, env, i32, i32)
+DEF_HELPER_3(neon_qshl_u16, i32, env, i32, i32)
+DEF_HELPER_3(neon_qshl_s16, i32, env, i32, i32)
+DEF_HELPER_3(neon_qshl_u32, i32, env, i32, i32)
+DEF_HELPER_3(neon_qshl_s32, i32, env, i32, i32)
+DEF_HELPER_3(neon_qshl_u64, i64, env, i64, i64)
+DEF_HELPER_3(neon_qshl_s64, i64, env, i64, i64)
+DEF_HELPER_3(neon_qshlu_s8, i32, env, i32, i32)
+DEF_HELPER_3(neon_qshlu_s16, i32, env, i32, i32)
+DEF_HELPER_3(neon_qshlu_s32, i32, env, i32, i32)
+DEF_HELPER_3(neon_qshlu_s64, i64, env, i64, i64)
+DEF_HELPER_3(neon_qrshl_u8, i32, env, i32, i32)
+// DEF_HELPER_3(neon_qrshl_s8, i32, env, i32, i32)
+DEF_HELPER_3(neon_qrshl_u16, i32, env, i32, i32)
+// DEF_HELPER_3(neon_qrshl_s16, i32, env, i32, i32)
+DEF_HELPER_3(neon_qrshl_u32, i32, env, i32, i32)
+DEF_HELPER_3(neon_qrshl_s32, i32, env, i32, i32)
+DEF_HELPER_3(neon_qrshl_u64, i64, env, i64, i64)
+DEF_HELPER_3(neon_qrshl_s64, i64, env, i64, i64)
+
+DEF_HELPER_2(neon_add_u8, i32, i32, i32)
+DEF_HELPER_2(neon_add_u16, i32, i32, i32)
+DEF_HELPER_2(neon_padd_u8, i32, i32, i32)
+DEF_HELPER_2(neon_padd_u16, i32, i32, i32)
+DEF_HELPER_2(neon_sub_u8, i32, i32, i32)
+DEF_HELPER_2(neon_sub_u16, i32, i32, i32)
+DEF_HELPER_2(neon_mul_u8, i32, i32, i32)
+DEF_HELPER_2(neon_mul_u16, i32, i32, i32)
+DEF_HELPER_2(neon_mul_p8, i32, i32, i32)
+DEF_HELPER_2(neon_mull_p8, i64, i32, i32)
+
+DEF_HELPER_2(neon_tst_u8, i32, i32, i32)
+DEF_HELPER_2(neon_tst_u16, i32, i32, i32)
+DEF_HELPER_2(neon_tst_u32, i32, i32, i32)
+DEF_HELPER_2(neon_ceq_u8, i32, i32, i32)
+DEF_HELPER_2(neon_ceq_u16, i32, i32, i32)
+DEF_HELPER_2(neon_ceq_u32, i32, i32, i32)
+
+DEF_HELPER_1(neon_abs_s8, i32, i32)
+DEF_HELPER_1(neon_abs_s16, i32, i32)
+DEF_HELPER_1(neon_clz_u8, i32, i32)
+DEF_HELPER_1(neon_clz_u16, i32, i32)
+DEF_HELPER_1(neon_cls_s8, i32, i32)
+DEF_HELPER_1(neon_cls_s16, i32, i32)
+DEF_HELPER_1(neon_cls_s32, i32, i32)
+DEF_HELPER_1(neon_cnt_u8, i32, i32)
+
+DEF_HELPER_3(neon_qdmulh_s16, i32, env, i32, i32)
+DEF_HELPER_3(neon_qrdmulh_s16, i32, env, i32, i32)
+DEF_HELPER_3(neon_qdmulh_s32, i32, env, i32, i32)
+DEF_HELPER_3(neon_qrdmulh_s32, i32, env, i32, i32)
+
+DEF_HELPER_1(neon_narrow_u8, i32, i64)
+DEF_HELPER_1(neon_narrow_u16, i32, i64)
+DEF_HELPER_2(neon_unarrow_sat8, i32, env, i64)
+DEF_HELPER_2(neon_narrow_sat_u8, i32, env, i64)
+DEF_HELPER_2(neon_narrow_sat_s8, i32, env, i64)
+DEF_HELPER_2(neon_unarrow_sat16, i32, env, i64)
+DEF_HELPER_2(neon_narrow_sat_u16, i32, env, i64)
+DEF_HELPER_2(neon_narrow_sat_s16, i32, env, i64)
+DEF_HELPER_2(neon_unarrow_sat32, i32, env, i64)
+DEF_HELPER_2(neon_narrow_sat_u32, i32, env, i64)
+DEF_HELPER_2(neon_narrow_sat_s32, i32, env, i64)
+DEF_HELPER_1(neon_narrow_high_u8, i32, i64)
+DEF_HELPER_1(neon_narrow_high_u16, i32, i64)
+DEF_HELPER_1(neon_narrow_round_high_u8, i32, i64)
+DEF_HELPER_1(neon_narrow_round_high_u16, i32, i64)
+DEF_HELPER_1(neon_widen_u8, i64, i32)
+DEF_HELPER_1(neon_widen_s8, i64, i32)
+DEF_HELPER_1(neon_widen_u16, i64, i32)
+DEF_HELPER_1(neon_widen_s16, i64, i32)
+
+DEF_HELPER_2(neon_addl_u16, i64, i64, i64)
+DEF_HELPER_2(neon_addl_u32, i64, i64, i64)
+DEF_HELPER_2(neon_paddl_u16, i64, i64, i64)
+DEF_HELPER_2(neon_paddl_u32, i64, i64, i64)
+DEF_HELPER_2(neon_subl_u16, i64, i64, i64)
+DEF_HELPER_2(neon_subl_u32, i64, i64, i64)
+DEF_HELPER_3(neon_addl_saturate_s32, i64, env, i64, i64)
+DEF_HELPER_3(neon_addl_saturate_s64, i64, env, i64, i64)
+DEF_HELPER_2(neon_abdl_u16, i64, i32, i32)
+DEF_HELPER_2(neon_abdl_s16, i64, i32, i32)
+DEF_HELPER_2(neon_abdl_u32, i64, i32, i32)
+DEF_HELPER_2(neon_abdl_s32, i64, i32, i32)
+DEF_HELPER_2(neon_abdl_u64, i64, i32, i32)
+DEF_HELPER_2(neon_abdl_s64, i64, i32, i32)
+DEF_HELPER_2(neon_mull_u8, i64, i32, i32)
+DEF_HELPER_2(neon_mull_s8, i64, i32, i32)
+DEF_HELPER_2(neon_mull_u16, i64, i32, i32)
+DEF_HELPER_2(neon_mull_s16, i64, i32, i32)
+
+DEF_HELPER_1(neon_negl_u16, i64, i64)
+DEF_HELPER_1(neon_negl_u32, i64, i64)
+DEF_HELPER_1(neon_negl_u64, i64, i64)
+
+DEF_HELPER_2(neon_qabs_s8, i32, env, i32)
+DEF_HELPER_2(neon_qabs_s16, i32, env, i32)
+DEF_HELPER_2(neon_qabs_s32, i32, env, i32)
+DEF_HELPER_2(neon_qneg_s8, i32, env, i32)
+DEF_HELPER_2(neon_qneg_s16, i32, env, i32)
+DEF_HELPER_2(neon_qneg_s32, i32, env, i32)
+
+DEF_HELPER_3(neon_min_f32, i32, i32, i32, ptr)
+DEF_HELPER_3(neon_max_f32, i32, i32, i32, ptr)
+DEF_HELPER_3(neon_abd_f32, i32, i32, i32, ptr)
+DEF_HELPER_3(neon_ceq_f32, i32, i32, i32, ptr)
+DEF_HELPER_3(neon_cge_f32, i32, i32, i32, ptr)
+DEF_HELPER_3(neon_cgt_f32, i32, i32, i32, ptr)
+DEF_HELPER_3(neon_acge_f32, i32, i32, i32, ptr)
+DEF_HELPER_3(neon_acgt_f32, i32, i32, i32, ptr)
+
+/* iwmmxt_helper.c */
+DEF_HELPER_2(iwmmxt_maddsq, i64, i64, i64)
+DEF_HELPER_2(iwmmxt_madduq, i64, i64, i64)
+DEF_HELPER_2(iwmmxt_sadb, i64, i64, i64)
+DEF_HELPER_2(iwmmxt_sadw, i64, i64, i64)
+DEF_HELPER_2(iwmmxt_mulslw, i64, i64, i64)
+DEF_HELPER_2(iwmmxt_mulshw, i64, i64, i64)
+DEF_HELPER_2(iwmmxt_mululw, i64, i64, i64)
+DEF_HELPER_2(iwmmxt_muluhw, i64, i64, i64)
+DEF_HELPER_2(iwmmxt_macsw, i64, i64, i64)
+DEF_HELPER_2(iwmmxt_macuw, i64, i64, i64)
+DEF_HELPER_1(iwmmxt_setpsr_nz, i32, i64)
+
+#define DEF_IWMMXT_HELPER_SIZE_ENV(name)               \
+    DEF_HELPER_3(iwmmxt_##name##b, i64, env, i64, i64) \
+    DEF_HELPER_3(iwmmxt_##name##w, i64, env, i64, i64) \
+    DEF_HELPER_3(iwmmxt_##name##l, i64, env, i64, i64)
+
+DEF_IWMMXT_HELPER_SIZE_ENV(unpackl)
+DEF_IWMMXT_HELPER_SIZE_ENV(unpackh)
+
+DEF_HELPER_2(iwmmxt_unpacklub, i64, env, i64)
+DEF_HELPER_2(iwmmxt_unpackluw, i64, env, i64)
+DEF_HELPER_2(iwmmxt_unpacklul, i64, env, i64)
+DEF_HELPER_2(iwmmxt_unpackhub, i64, env, i64)
+DEF_HELPER_2(iwmmxt_unpackhuw, i64, env, i64)
+DEF_HELPER_2(iwmmxt_unpackhul, i64, env, i64)
+DEF_HELPER_2(iwmmxt_unpacklsb, i64, env, i64)
+DEF_HELPER_2(iwmmxt_unpacklsw, i64, env, i64)
+DEF_HELPER_2(iwmmxt_unpacklsl, i64, env, i64)
+DEF_HELPER_2(iwmmxt_unpackhsb, i64, env, i64)
+DEF_HELPER_2(iwmmxt_unpackhsw, i64, env, i64)
+DEF_HELPER_2(iwmmxt_unpackhsl, i64, env, i64)
+
+DEF_IWMMXT_HELPER_SIZE_ENV(cmpeq)
+DEF_IWMMXT_HELPER_SIZE_ENV(cmpgtu)
+DEF_IWMMXT_HELPER_SIZE_ENV(cmpgts)
+
+DEF_IWMMXT_HELPER_SIZE_ENV(mins)
+DEF_IWMMXT_HELPER_SIZE_ENV(minu)
+DEF_IWMMXT_HELPER_SIZE_ENV(maxs)
+DEF_IWMMXT_HELPER_SIZE_ENV(maxu)
+
+DEF_IWMMXT_HELPER_SIZE_ENV(subn)
+DEF_IWMMXT_HELPER_SIZE_ENV(addn)
+DEF_IWMMXT_HELPER_SIZE_ENV(subu)
+DEF_IWMMXT_HELPER_SIZE_ENV(addu)
+DEF_IWMMXT_HELPER_SIZE_ENV(subs)
+DEF_IWMMXT_HELPER_SIZE_ENV(adds)
+
+DEF_HELPER_3(iwmmxt_avgb0, i64, env, i64, i64)
+DEF_HELPER_3(iwmmxt_avgb1, i64, env, i64, i64)
+DEF_HELPER_3(iwmmxt_avgw0, i64, env, i64, i64)
+DEF_HELPER_3(iwmmxt_avgw1, i64, env, i64, i64)
+
+DEF_HELPER_2(iwmmxt_msadb, i64, i64, i64)
+
+DEF_HELPER_3(iwmmxt_align, i64, i64, i64, i32)
+DEF_HELPER_4(iwmmxt_insr, i64, i64, i32, i32, i32)
+
+DEF_HELPER_1(iwmmxt_bcstb, i64, i32)
+DEF_HELPER_1(iwmmxt_bcstw, i64, i32)
+DEF_HELPER_1(iwmmxt_bcstl, i64, i32)
+
+DEF_HELPER_1(iwmmxt_addcb, i64, i64)
+DEF_HELPER_1(iwmmxt_addcw, i64, i64)
+DEF_HELPER_1(iwmmxt_addcl, i64, i64)
+
+DEF_HELPER_1(iwmmxt_msbb, i32, i64)
+DEF_HELPER_1(iwmmxt_msbw, i32, i64)
+DEF_HELPER_1(iwmmxt_msbl, i32, i64)
+
+DEF_HELPER_3(iwmmxt_srlw, i64, env, i64, i32)
+DEF_HELPER_3(iwmmxt_srll, i64, env, i64, i32)
+DEF_HELPER_3(iwmmxt_srlq, i64, env, i64, i32)
+DEF_HELPER_3(iwmmxt_sllw, i64, env, i64, i32)
+DEF_HELPER_3(iwmmxt_slll, i64, env, i64, i32)
+DEF_HELPER_3(iwmmxt_sllq, i64, env, i64, i32)
+DEF_HELPER_3(iwmmxt_sraw, i64, env, i64, i32)
+DEF_HELPER_3(iwmmxt_sral, i64, env, i64, i32)
+DEF_HELPER_3(iwmmxt_sraq, i64, env, i64, i32)
+DEF_HELPER_3(iwmmxt_rorw, i64, env, i64, i32)
+DEF_HELPER_3(iwmmxt_rorl, i64, env, i64, i32)
+DEF_HELPER_3(iwmmxt_rorq, i64, env, i64, i32)
+DEF_HELPER_3(iwmmxt_shufh, i64, env, i64, i32)
+
+DEF_HELPER_3(iwmmxt_packuw, i64, env, i64, i64)
+DEF_HELPER_3(iwmmxt_packul, i64, env, i64, i64)
+DEF_HELPER_3(iwmmxt_packuq, i64, env, i64, i64)
+DEF_HELPER_3(iwmmxt_packsw, i64, env, i64, i64)
+DEF_HELPER_3(iwmmxt_packsl, i64, env, i64, i64)
+DEF_HELPER_3(iwmmxt_packsq, i64, env, i64, i64)
+
+DEF_HELPER_3(iwmmxt_muladdsl, i64, i64, i32, i32)
+DEF_HELPER_3(iwmmxt_muladdsw, i64, i64, i32, i32)
+DEF_HELPER_3(iwmmxt_muladdswl, i64, i64, i32, i32)
+
+DEF_HELPER_2(set_teecr, void, env, i32)
+
+DEF_HELPER_3(neon_unzip8, void, env, i32, i32)
+DEF_HELPER_3(neon_unzip16, void, env, i32, i32)
+DEF_HELPER_3(neon_qunzip8, void, env, i32, i32)
+DEF_HELPER_3(neon_qunzip16, void, env, i32, i32)
+DEF_HELPER_3(neon_qunzip32, void, env, i32, i32)
+DEF_HELPER_3(neon_zip8, void, env, i32, i32)
+DEF_HELPER_3(neon_zip16, void, env, i32, i32)
+DEF_HELPER_3(neon_qzip8, void, env, i32, i32)
+DEF_HELPER_3(neon_qzip16, void, env, i32, i32)
+DEF_HELPER_3(neon_qzip32, void, env, i32, i32)
+#else /*****x86 helper.h****/
 DEF_HELPER_1(cc_compute_all, i32, int)
 DEF_HELPER_1(cc_compute_c, i32, int)
 
@@ -227,6 +707,7 @@ DEF_HELPER_1(se_opcode, void, i64)
 DEF_HELPER_1(se_call, void, tl)
 DEF_HELPER_1(se_ret, void, tl)
 #endif
+#endif
 
 DEF_HELPER_FLAGS_3(gvec_mov, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
 
diff --git a/include/tcg/tb.h b/include/tcg/tb.h
index bdc3121..8316e3d 100644
--- a/include/tcg/tb.h
+++ b/include/tcg/tb.h
@@ -68,6 +68,7 @@ struct TranslationBlock {
                              size <= TARGET_PAGE_SIZE) */
 
 #define CF_COUNT_MASK 0x00007fff
+#define CF_LAST_IO 0x00008000            /* Last insn may be an IO access.  */
 #define CF_NOCACHE 0x00010000            /* To be freed after execution */
 #define CF_HAS_INTERRUPT_EXIT 0x00020000 /* The TB has a prologue to handle quick CPU loop exit */
 #define CF_INVALID 0x00040000            /* TB is stale. Set with @jmp_lock held */
diff --git a/include/tcg/tcg-llvm.h b/include/tcg/tcg-llvm.h
index 0164b23..2867d0e 100644
--- a/include/tcg/tcg-llvm.h
+++ b/include/tcg/tcg-llvm.h
@@ -140,8 +140,9 @@ class TCGLLVMTranslator {
     // in order to simplify instruction insertion.
     llvm::Instruction *m_noop;
     llvm::Value *m_eip;
+#if defined(TARGET_I386) || defined(TARGET_X86_64)
     llvm::Value *m_ccop;
-
+#endif
     static unsigned m_eip_last_gep_index;
 
     typedef llvm::DenseMap<std::pair<unsigned, unsigned>, llvm::Instruction *> GepMap;
diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index 33863fb..914cc2f 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -44,7 +44,15 @@ extern "C" {
 
 #define QEMU_BUILD_BUG_ON(x)
 
+#if defined(TARGET_ARM)
+/* The ARM MMU allows 1k pages. */
+/* ??? Linux doesn't actually use these, and they're deprecated in recent
+   architecture revisions. Maybe a configure option to disable them. */
+#define TARGET_PAGE_BITS 10
+#else
 #define TARGET_PAGE_BITS 12
+#endif
+
 #define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS)
 #define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1)
 
@@ -120,11 +128,17 @@ typedef struct TranslationBlock TranslationBlock;
 /* typedef struct ZMMReg ZMMReg;
 
 typedef union XMMReg XMMReg;*/
-
+#if defined(TARGET_ARM)
+#define CPUArchState struct CPUARMState
+#define CPUState struct CPUARMState
+struct CPUARMState;
+typedef struct CPUARMState CPUARMState;
+#else
 #define CPUArchState struct CPUX86State
 #define CPUState struct CPUX86State
 struct CPUX86State;
 typedef struct CPUX86State CPUX86State;
+#endif
 
 extern FILE *logfile;
 
@@ -849,9 +863,12 @@ struct TCGContext {
     uintptr_t env_ptr;
     unsigned env_offset_eip;
     unsigned env_sizeof_eip;
+#ifndef TARGET_ARM
     unsigned env_offset_ccop;
     unsigned env_sizeof_ccop;
     unsigned env_offset_df;
+#endif
+
     unsigned env_offset_tlb[3]; // Max 3 mem index
 
     unsigned tlbe_size;
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a621209..ea7cecd 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -41,7 +41,11 @@ endif (WITH_SYMBEX_MP)
 
 if (TARGET_X86_64)
     set (COMMON_FLAGS "${COMMON_FLAGS} -DTARGET_X86_64")
-endif (TARGET_X86_64)
+elseif (TARGET_I386)
+	set (COMMON_FLAGS "${COMMON_FLAGS} -DTARGET_I386")
+elseif (TARGET_ARM)
+	set (COMMON_FLAGS "${COMMON_FLAGS} -DTARGET_ARM")
+endif ()
 
 if (TARGET_LONG_BITS)
     set (COMMON_FLAGS "${COMMON_FLAGS} -DTARGET_LONG_BITS=${TARGET_LONG_BITS}")
diff --git a/src/tcg-llvm.cpp b/src/tcg-llvm.cpp
index 68d571e..8259f67 100644
--- a/src/tcg-llvm.cpp
+++ b/src/tcg-llvm.cpp
@@ -68,8 +68,10 @@ typedef uint32_t target_ulong;
 typedef uint64_t target_ulong;
 #endif
 
+#if defined(TARGET_I386) || defined(TARGET_X86_64)
 // XXX: hack
 #define CC_OP_DYNAMIC 0
+#endif
 
 extern "C" {
 // TODO: get rid of this global var
@@ -101,8 +103,9 @@ TCGLLVMTranslator::TCGLLVMTranslator(const std::string &bitcodeLibraryPath, std:
     m_cpuType = NULL;
     m_cpuState = NULL;
     m_eip = NULL;
+#if defined(TARGET_I386) || defined(TARGET_X86_64)
     m_ccop = NULL;
-
+#endif
     initializeNativeCpuState();
     initializeHelpers();
 }
@@ -188,8 +191,13 @@ uint64_t TCGLLVMTranslator::toInteger(llvm::Value *v) const {
 #ifdef CONFIG_SYMBEX
 
 void TCGLLVMTranslator::initializeNativeCpuState() {
+#ifdef TARGET_ARM
+    m_cpuType = m_module->getTypeByName("struct.CPUARMState");
+    assert(m_cpuType && "Could not find CPUARMState in LLVM bitcode");
+#else
     m_cpuType = m_module->getTypeByName("struct.CPUX86State");
     assert(m_cpuType && "Could not find CPUX86State in LLVM bitcode");
+#endif
 }
 
 void TCGLLVMTranslator::initializeHelpers() {
@@ -426,8 +434,9 @@ void TCGLLVMTranslator::loadNativeCpuState(Function *f) {
     m_noop = m_builder.Insert(add);
 
     m_eip = generateCpuStatePtr(m_tcgContext->env_offset_eip, m_tcgContext->env_sizeof_eip);
+#if defined(TARGET_I386) || defined(TARGET_X86_64)
     m_ccop = generateCpuStatePtr(m_tcgContext->env_offset_ccop, m_tcgContext->env_sizeof_ccop);
-
+#endif
     if (m_eip_last_gep_index == 0) {
         SmallVector<Value *, 3> gepElements;
         bool ok = getCpuFieldGepIndexes(m_tcgContext->env_offset_eip, sizeof(target_ulong), gepElements);
@@ -1167,8 +1176,9 @@ Function *TCGLLVMTranslator::generateCode(TCGContext *s, TranslationBlock *tb) {
             case INDEX_op_insn_start: {
                 assert(TARGET_INSN_START_WORDS == 2);
                 uint64_t curpc = op->args[0] - tb->cs_base;
+#if defined(TARGET_I386) || defined(TARGET_X86_64)
                 uint64_t cc_op = op->args[1];
-
+#endif
                 Value *valueToStore = handleSymbolicPcAssignment(ConstantInt::get(wordType(), curpc));
 
                 TCGArg args[3];
@@ -1176,7 +1186,7 @@ Function *TCGLLVMTranslator::generateCode(TCGContext *s, TranslationBlock *tb) {
                 args[1] = temp_arg(&m_tcgContext->temps[0]);
                 args[2] = m_tcgContext->env_offset_eip;
                 generateQemuCpuStore(args, m_tcgContext->env_sizeof_eip * 8, valueToStore);
-
+#if defined(TARGET_I386) || defined(TARGET_X86_64)
                 if (cc_op != CC_OP_DYNAMIC) {
                     args[0] = 0; // Unused
                     args[1] = temp_arg(&m_tcgContext->temps[0]);
@@ -1184,6 +1194,7 @@ Function *TCGLLVMTranslator::generateCode(TCGContext *s, TranslationBlock *tb) {
                     valueToStore = ConstantInt::get(wordType(m_tcgContext->env_sizeof_ccop * 8), cc_op);
                     generateQemuCpuStore(args, m_tcgContext->env_sizeof_ccop * 8, valueToStore);
                 }
+#endif
             } break;
 #endif