tcg: Move some opcode generation functions out of line

Some of these functions are really quite large.  We have a number of
things that ought to be circularly dependent, but we duplicated code
to break that chain for the inlines.

This saved 25% of the code size of one of the translators I examined.

Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>

1 files changed, 1978 insertions, 0 deletions

diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
new file mode 100644
index 0000000000..a6fd0a6458
--- /dev/null
+++ b/tcg/tcg-op.c
@@ -0,0 +1,1978 @@
+/*
+ * Tiny Code Generator for QEMU
+ *
+ * Copyright (c) 2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "tcg.h"
+#include "tcg-op.h"
+
+
+void tcg_gen_op0(TCGContext *ctx, TCGOpcode opc)
+{
+    *ctx->gen_opc_ptr++ = opc;
+}
+
+void tcg_gen_op1(TCGContext *ctx, TCGOpcode opc, TCGArg a1)
+{
+    uint16_t *op = ctx->gen_opc_ptr;
+    TCGArg *opp = ctx->gen_opparam_ptr;
+
+    op[0] = opc;
+    opp[0] = a1;
+
+    ctx->gen_opc_ptr = op + 1;
+    ctx->gen_opparam_ptr = opp + 1;
+}
+
+void tcg_gen_op2(TCGContext *ctx, TCGOpcode opc, TCGArg a1, TCGArg a2)
+{
+    uint16_t *op = ctx->gen_opc_ptr;
+    TCGArg *opp = ctx->gen_opparam_ptr;
+
+    op[0] = opc;
+    opp[0] = a1;
+    opp[1] = a2;
+
+    ctx->gen_opc_ptr = op + 1;
+    ctx->gen_opparam_ptr = opp + 2;
+}
+
+void tcg_gen_op3(TCGContext *ctx, TCGOpcode opc, TCGArg a1,
+                 TCGArg a2, TCGArg a3)
+{
+    uint16_t *op = ctx->gen_opc_ptr;
+    TCGArg *opp = ctx->gen_opparam_ptr;
+
+    op[0] = opc;
+    opp[0] = a1;
+    opp[1] = a2;
+    opp[2] = a3;
+
+    ctx->gen_opc_ptr = op + 1;
+    ctx->gen_opparam_ptr = opp + 3;
+}
+
+void tcg_gen_op4(TCGContext *ctx, TCGOpcode opc, TCGArg a1,
+                 TCGArg a2, TCGArg a3, TCGArg a4)
+{
+    uint16_t *op = ctx->gen_opc_ptr;
+    TCGArg *opp = ctx->gen_opparam_ptr;
+
+    op[0] = opc;
+    opp[0] = a1;
+    opp[1] = a2;
+    opp[2] = a3;
+    opp[3] = a4;
+
+    ctx->gen_opc_ptr = op + 1;
+    ctx->gen_opparam_ptr = opp + 4;
+}
+
+void tcg_gen_op5(TCGContext *ctx, TCGOpcode opc, TCGArg a1,
+                 TCGArg a2, TCGArg a3, TCGArg a4, TCGArg a5)
+{
+    uint16_t *op = ctx->gen_opc_ptr;
+    TCGArg *opp = ctx->gen_opparam_ptr;
+
+    op[0] = opc;
+    opp[0] = a1;
+    opp[1] = a2;
+    opp[2] = a3;
+    opp[3] = a4;
+    opp[4] = a5;
+
+    ctx->gen_opc_ptr = op + 1;
+    ctx->gen_opparam_ptr = opp + 5;
+}
+
+void tcg_gen_op6(TCGContext *ctx, TCGOpcode opc, TCGArg a1, TCGArg a2,
+                 TCGArg a3, TCGArg a4, TCGArg a5, TCGArg a6)
+{
+    uint16_t *op = ctx->gen_opc_ptr;
+    TCGArg *opp = ctx->gen_opparam_ptr;
+
+    op[0] = opc;
+    opp[0] = a1;
+    opp[1] = a2;
+    opp[2] = a3;
+    opp[3] = a4;
+    opp[4] = a5;
+    opp[5] = a6;
+
+    ctx->gen_opc_ptr = op + 1;
+    ctx->gen_opparam_ptr = opp + 6;
+}
+
+/* 32 bit ops */
+
+void tcg_gen_addi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
+{
+    /* some cases can be optimized here */
+    if (arg2 == 0) {
+        tcg_gen_mov_i32(ret, arg1);
+    } else {
+        TCGv_i32 t0 = tcg_const_i32(arg2);
+        tcg_gen_add_i32(ret, arg1, t0);
+        tcg_temp_free_i32(t0);
+    }
+}
+
+void tcg_gen_subfi_i32(TCGv_i32 ret, int32_t arg1, TCGv_i32 arg2)
+{
+    if (arg1 == 0 && TCG_TARGET_HAS_neg_i32) {
+        /* Don't recurse with tcg_gen_neg_i32.  */
+        tcg_gen_op2_i32(INDEX_op_neg_i32, ret, arg2);
+    } else {
+        TCGv_i32 t0 = tcg_const_i32(arg1);
+        tcg_gen_sub_i32(ret, t0, arg2);
+        tcg_temp_free_i32(t0);
+    }
+}
+
+void tcg_gen_subi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
+{
+    /* some cases can be optimized here */
+    if (arg2 == 0) {
+        tcg_gen_mov_i32(ret, arg1);
+    } else {
+        TCGv_i32 t0 = tcg_const_i32(arg2);
+        tcg_gen_sub_i32(ret, arg1, t0);
+        tcg_temp_free_i32(t0);
+    }
+}
+
+void tcg_gen_andi_i32(TCGv_i32 ret, TCGv_i32 arg1, uint32_t arg2)
+{
+    TCGv_i32 t0;
+    /* Some cases can be optimized here.  */
+    switch (arg2) {
+    case 0:
+        tcg_gen_movi_i32(ret, 0);
+        return;
+    case 0xffffffffu:
+        tcg_gen_mov_i32(ret, arg1);
+        return;
+    case 0xffu:
+        /* Don't recurse with tcg_gen_ext8u_i32.  */
+        if (TCG_TARGET_HAS_ext8u_i32) {
+            tcg_gen_op2_i32(INDEX_op_ext8u_i32, ret, arg1);
+            return;
+        }
+        break;
+    case 0xffffu:
+        if (TCG_TARGET_HAS_ext16u_i32) {
+            tcg_gen_op2_i32(INDEX_op_ext16u_i32, ret, arg1);
+            return;
+        }
+        break;
+    }
+    t0 = tcg_const_i32(arg2);
+    tcg_gen_and_i32(ret, arg1, t0);
+    tcg_temp_free_i32(t0);
+}
+
+void tcg_gen_ori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
+{
+    /* Some cases can be optimized here.  */
+    if (arg2 == -1) {
+        tcg_gen_movi_i32(ret, -1);
+    } else if (arg2 == 0) {
+        tcg_gen_mov_i32(ret, arg1);
+    } else {
+        TCGv_i32 t0 = tcg_const_i32(arg2);
+        tcg_gen_or_i32(ret, arg1, t0);
+        tcg_temp_free_i32(t0);
+    }
+}
+
+void tcg_gen_xori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
+{
+    /* Some cases can be optimized here.  */
+    if (arg2 == 0) {
+        tcg_gen_mov_i32(ret, arg1);
+    } else if (arg2 == -1 && TCG_TARGET_HAS_not_i32) {
+        /* Don't recurse with tcg_gen_not_i32.  */
+        tcg_gen_op2_i32(INDEX_op_not_i32, ret, arg1);
+    } else {
+        TCGv_i32 t0 = tcg_const_i32(arg2);
+        tcg_gen_xor_i32(ret, arg1, t0);
+        tcg_temp_free_i32(t0);
+    }
+}
+
+void tcg_gen_shli_i32(TCGv_i32 ret, TCGv_i32 arg1, unsigned arg2)
+{
+    tcg_debug_assert(arg2 < 32);
+    if (arg2 == 0) {
+        tcg_gen_mov_i32(ret, arg1);
+    } else {
+        TCGv_i32 t0 = tcg_const_i32(arg2);
+        tcg_gen_shl_i32(ret, arg1, t0);
+        tcg_temp_free_i32(t0);
+    }
+}
+
+void tcg_gen_shri_i32(TCGv_i32 ret, TCGv_i32 arg1, unsigned arg2)
+{
+    tcg_debug_assert(arg2 < 32);
+    if (arg2 == 0) {
+        tcg_gen_mov_i32(ret, arg1);
+    } else {
+        TCGv_i32 t0 = tcg_const_i32(arg2);
+        tcg_gen_shr_i32(ret, arg1, t0);
+        tcg_temp_free_i32(t0);
+    }
+}
+
+void tcg_gen_sari_i32(TCGv_i32 ret, TCGv_i32 arg1, unsigned arg2)
+{
+    tcg_debug_assert(arg2 < 32);
+    if (arg2 == 0) {
+        tcg_gen_mov_i32(ret, arg1);
+    } else {
+        TCGv_i32 t0 = tcg_const_i32(arg2);
+        tcg_gen_sar_i32(ret, arg1, t0);
+        tcg_temp_free_i32(t0);
+    }
+}
+
+void tcg_gen_brcond_i32(TCGCond cond, TCGv_i32 arg1, TCGv_i32 arg2, int label)
+{
+    if (cond == TCG_COND_ALWAYS) {
+        tcg_gen_br(label);
+    } else if (cond != TCG_COND_NEVER) {
+        tcg_gen_op4ii_i32(INDEX_op_brcond_i32, arg1, arg2, cond, label);
+    }
+}
+
+void tcg_gen_brcondi_i32(TCGCond cond, TCGv_i32 arg1, int32_t arg2, int label)
+{
+    TCGv_i32 t0 = tcg_const_i32(arg2);
+    tcg_gen_brcond_i32(cond, arg1, t0, label);
+    tcg_temp_free_i32(t0);
+}
+
+void tcg_gen_setcond_i32(TCGCond cond, TCGv_i32 ret,
+                         TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (cond == TCG_COND_ALWAYS) {
+        tcg_gen_movi_i32(ret, 1);
+    } else if (cond == TCG_COND_NEVER) {
+        tcg_gen_movi_i32(ret, 0);
+    } else {
+        tcg_gen_op4i_i32(INDEX_op_setcond_i32, ret, arg1, arg2, cond);
+    }
+}
+
+void tcg_gen_setcondi_i32(TCGCond cond, TCGv_i32 ret,
+                          TCGv_i32 arg1, int32_t arg2)
+{
+    TCGv_i32 t0 = tcg_const_i32(arg2);
+    tcg_gen_setcond_i32(cond, ret, arg1, t0);
+    tcg_temp_free_i32(t0);
+}
+
+void tcg_gen_muli_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
+{
+    TCGv_i32 t0 = tcg_const_i32(arg2);
+    tcg_gen_mul_i32(ret, arg1, t0);
+    tcg_temp_free_i32(t0);
+}
+
+void tcg_gen_div_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_div_i32) {
+        tcg_gen_op3_i32(INDEX_op_div_i32, ret, arg1, arg2);
+    } else if (TCG_TARGET_HAS_div2_i32) {
+        TCGv_i32 t0 = tcg_temp_new_i32();
+        tcg_gen_sari_i32(t0, arg1, 31);
+        tcg_gen_op5_i32(INDEX_op_div2_i32, ret, t0, arg1, t0, arg2);
+        tcg_temp_free_i32(t0);
+    } else {
+        gen_helper_div_i32(ret, arg1, arg2);
+    }
+}
+
+void tcg_gen_rem_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_rem_i32) {
+        tcg_gen_op3_i32(INDEX_op_rem_i32, ret, arg1, arg2);
+    } else if (TCG_TARGET_HAS_div_i32) {
+        TCGv_i32 t0 = tcg_temp_new_i32();
+        tcg_gen_op3_i32(INDEX_op_div_i32, t0, arg1, arg2);
+        tcg_gen_mul_i32(t0, t0, arg2);
+        tcg_gen_sub_i32(ret, arg1, t0);
+        tcg_temp_free_i32(t0);
+    } else if (TCG_TARGET_HAS_div2_i32) {
+        TCGv_i32 t0 = tcg_temp_new_i32();
+        tcg_gen_sari_i32(t0, arg1, 31);
+        tcg_gen_op5_i32(INDEX_op_div2_i32, t0, ret, arg1, t0, arg2);
+        tcg_temp_free_i32(t0);
+    } else {
+        gen_helper_rem_i32(ret, arg1, arg2);
+    }
+}
+
+void tcg_gen_divu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_div_i32) {
+        tcg_gen_op3_i32(INDEX_op_divu_i32, ret, arg1, arg2);
+    } else if (TCG_TARGET_HAS_div2_i32) {
+        TCGv_i32 t0 = tcg_temp_new_i32();
+        tcg_gen_movi_i32(t0, 0);
+        tcg_gen_op5_i32(INDEX_op_divu2_i32, ret, t0, arg1, t0, arg2);
+        tcg_temp_free_i32(t0);
+    } else {
+        gen_helper_divu_i32(ret, arg1, arg2);
+    }
+}
+
+void tcg_gen_remu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_rem_i32) {
+        tcg_gen_op3_i32(INDEX_op_remu_i32, ret, arg1, arg2);
+    } else if (TCG_TARGET_HAS_div_i32) {
+        TCGv_i32 t0 = tcg_temp_new_i32();
+        tcg_gen_op3_i32(INDEX_op_divu_i32, t0, arg1, arg2);
+        tcg_gen_mul_i32(t0, t0, arg2);
+        tcg_gen_sub_i32(ret, arg1, t0);
+        tcg_temp_free_i32(t0);
+    } else if (TCG_TARGET_HAS_div2_i32) {
+        TCGv_i32 t0 = tcg_temp_new_i32();
+        tcg_gen_movi_i32(t0, 0);
+        tcg_gen_op5_i32(INDEX_op_divu2_i32, t0, ret, arg1, t0, arg2);
+        tcg_temp_free_i32(t0);
+    } else {
+        gen_helper_remu_i32(ret, arg1, arg2);
+    }
+}
+
+void tcg_gen_andc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_andc_i32) {
+        tcg_gen_op3_i32(INDEX_op_andc_i32, ret, arg1, arg2);
+    } else {
+        TCGv_i32 t0 = tcg_temp_new_i32();
+        tcg_gen_not_i32(t0, arg2);
+        tcg_gen_and_i32(ret, arg1, t0);
+        tcg_temp_free_i32(t0);
+    }
+}
+
+void tcg_gen_eqv_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_eqv_i32) {
+        tcg_gen_op3_i32(INDEX_op_eqv_i32, ret, arg1, arg2);
+    } else {
+        tcg_gen_xor_i32(ret, arg1, arg2);
+        tcg_gen_not_i32(ret, ret);
+    }
+}
+
+void tcg_gen_nand_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_nand_i32) {
+        tcg_gen_op3_i32(INDEX_op_nand_i32, ret, arg1, arg2);
+    } else {
+        tcg_gen_and_i32(ret, arg1, arg2);
+        tcg_gen_not_i32(ret, ret);
+    }
+}
+
+void tcg_gen_nor_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_nor_i32) {
+        tcg_gen_op3_i32(INDEX_op_nor_i32, ret, arg1, arg2);
+    } else {
+        tcg_gen_or_i32(ret, arg1, arg2);
+        tcg_gen_not_i32(ret, ret);
+    }
+}
+
+void tcg_gen_orc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_orc_i32) {
+        tcg_gen_op3_i32(INDEX_op_orc_i32, ret, arg1, arg2);
+    } else {
+        TCGv_i32 t0 = tcg_temp_new_i32();
+        tcg_gen_not_i32(t0, arg2);
+        tcg_gen_or_i32(ret, arg1, t0);
+        tcg_temp_free_i32(t0);
+    }
+}
+
+void tcg_gen_rotl_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_rot_i32) {
+        tcg_gen_op3_i32(INDEX_op_rotl_i32, ret, arg1, arg2);
+    } else {
+        TCGv_i32 t0, t1;
+
+        t0 = tcg_temp_new_i32();
+        t1 = tcg_temp_new_i32();
+        tcg_gen_shl_i32(t0, arg1, arg2);
+        tcg_gen_subfi_i32(t1, 32, arg2);
+        tcg_gen_shr_i32(t1, arg1, t1);
+        tcg_gen_or_i32(ret, t0, t1);
+        tcg_temp_free_i32(t0);
+        tcg_temp_free_i32(t1);
+    }
+}
+
+void tcg_gen_rotli_i32(TCGv_i32 ret, TCGv_i32 arg1, unsigned arg2)
+{
+    tcg_debug_assert(arg2 < 32);
+    /* some cases can be optimized here */
+    if (arg2 == 0) {
+        tcg_gen_mov_i32(ret, arg1);
+    } else if (TCG_TARGET_HAS_rot_i32) {
+        TCGv_i32 t0 = tcg_const_i32(arg2);
+        tcg_gen_rotl_i32(ret, arg1, t0);
+        tcg_temp_free_i32(t0);
+    } else {
+        TCGv_i32 t0, t1;
+        t0 = tcg_temp_new_i32();
+        t1 = tcg_temp_new_i32();
+        tcg_gen_shli_i32(t0, arg1, arg2);
+        tcg_gen_shri_i32(t1, arg1, 32 - arg2);
+        tcg_gen_or_i32(ret, t0, t1);
+        tcg_temp_free_i32(t0);
+        tcg_temp_free_i32(t1);
+    }
+}
+
+void tcg_gen_rotr_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_rot_i32) {
+        tcg_gen_op3_i32(INDEX_op_rotr_i32, ret, arg1, arg2);
+    } else {
+        TCGv_i32 t0, t1;
+
+        t0 = tcg_temp_new_i32();
+        t1 = tcg_temp_new_i32();
+        tcg_gen_shr_i32(t0, arg1, arg2);
+        tcg_gen_subfi_i32(t1, 32, arg2);
+        tcg_gen_shl_i32(t1, arg1, t1);
+        tcg_gen_or_i32(ret, t0, t1);
+        tcg_temp_free_i32(t0);
+        tcg_temp_free_i32(t1);
+    }
+}
+
+void tcg_gen_rotri_i32(TCGv_i32 ret, TCGv_i32 arg1, unsigned arg2)
+{
+    tcg_debug_assert(arg2 < 32);
+    /* some cases can be optimized here */
+    if (arg2 == 0) {
+        tcg_gen_mov_i32(ret, arg1);
+    } else {
+        tcg_gen_rotli_i32(ret, arg1, 32 - arg2);
+    }
+}
+
+void tcg_gen_deposit_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2,
+                         unsigned int ofs, unsigned int len)
+{
+    uint32_t mask;
+    TCGv_i32 t1;
+
+    tcg_debug_assert(ofs < 32);
+    tcg_debug_assert(len <= 32);
+    tcg_debug_assert(ofs + len <= 32);
+
+    if (ofs == 0 && len == 32) {
+        tcg_gen_mov_i32(ret, arg2);
+        return;
+    }
+    if (TCG_TARGET_HAS_deposit_i32 && TCG_TARGET_deposit_i32_valid(ofs, len)) {
+        tcg_gen_op5ii_i32(INDEX_op_deposit_i32, ret, arg1, arg2, ofs, len);
+        return;
+    }
+
+    mask = (1u << len) - 1;
+    t1 = tcg_temp_new_i32();
+
+    if (ofs + len < 32) {
+        tcg_gen_andi_i32(t1, arg2, mask);
+        tcg_gen_shli_i32(t1, t1, ofs);
+    } else {
+        tcg_gen_shli_i32(t1, arg2, ofs);
+    }
+    tcg_gen_andi_i32(ret, arg1, ~(mask << ofs));
+    tcg_gen_or_i32(ret, ret, t1);
+
+    tcg_temp_free_i32(t1);
+}
+
+void tcg_gen_movcond_i32(TCGCond cond, TCGv_i32 ret, TCGv_i32 c1,
+                         TCGv_i32 c2, TCGv_i32 v1, TCGv_i32 v2)
+{
+    if (TCG_TARGET_HAS_movcond_i32) {
+        tcg_gen_op6i_i32(INDEX_op_movcond_i32, ret, c1, c2, v1, v2, cond);
+    } else {
+        TCGv_i32 t0 = tcg_temp_new_i32();
+        TCGv_i32 t1 = tcg_temp_new_i32();
+        tcg_gen_setcond_i32(cond, t0, c1, c2);
+        tcg_gen_neg_i32(t0, t0);
+        tcg_gen_and_i32(t1, v1, t0);
+        tcg_gen_andc_i32(ret, v2, t0);
+        tcg_gen_or_i32(ret, ret, t1);
+        tcg_temp_free_i32(t0);
+        tcg_temp_free_i32(t1);
+    }
+}
+
+void tcg_gen_add2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 al,
+                      TCGv_i32 ah, TCGv_i32 bl, TCGv_i32 bh)
+{
+    if (TCG_TARGET_HAS_add2_i32) {
+        tcg_gen_op6_i32(INDEX_op_add2_i32, rl, rh, al, ah, bl, bh);
+        /* Allow the optimizer room to replace add2 with two moves.  */
+        tcg_gen_op0(&tcg_ctx, INDEX_op_nop);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        TCGv_i64 t1 = tcg_temp_new_i64();
+        tcg_gen_concat_i32_i64(t0, al, ah);
+        tcg_gen_concat_i32_i64(t1, bl, bh);
+        tcg_gen_add_i64(t0, t0, t1);
+        tcg_gen_extr_i64_i32(rl, rh, t0);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+    }
+}
+
+void tcg_gen_sub2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 al,
+                      TCGv_i32 ah, TCGv_i32 bl, TCGv_i32 bh)
+{
+    if (TCG_TARGET_HAS_sub2_i32) {
+        tcg_gen_op6_i32(INDEX_op_sub2_i32, rl, rh, al, ah, bl, bh);
+        /* Allow the optimizer room to replace sub2 with two moves.  */
+        tcg_gen_op0(&tcg_ctx, INDEX_op_nop);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        TCGv_i64 t1 = tcg_temp_new_i64();
+        tcg_gen_concat_i32_i64(t0, al, ah);
+        tcg_gen_concat_i32_i64(t1, bl, bh);
+        tcg_gen_sub_i64(t0, t0, t1);
+        tcg_gen_extr_i64_i32(rl, rh, t0);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+    }
+}
+
+void tcg_gen_mulu2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_mulu2_i32) {
+        tcg_gen_op4_i32(INDEX_op_mulu2_i32, rl, rh, arg1, arg2);
+        /* Allow the optimizer room to replace mulu2 with two moves.  */
+        tcg_gen_op0(&tcg_ctx, INDEX_op_nop);
+    } else if (TCG_TARGET_HAS_muluh_i32) {
+        TCGv_i32 t = tcg_temp_new_i32();
+        tcg_gen_op3_i32(INDEX_op_mul_i32, t, arg1, arg2);
+        tcg_gen_op3_i32(INDEX_op_muluh_i32, rh, arg1, arg2);
+        tcg_gen_mov_i32(rl, t);
+        tcg_temp_free_i32(t);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        TCGv_i64 t1 = tcg_temp_new_i64();
+        tcg_gen_extu_i32_i64(t0, arg1);
+        tcg_gen_extu_i32_i64(t1, arg2);
+        tcg_gen_mul_i64(t0, t0, t1);
+        tcg_gen_extr_i64_i32(rl, rh, t0);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+    }
+}
+
+void tcg_gen_muls2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2)
+{
+    if (TCG_TARGET_HAS_muls2_i32) {
+        tcg_gen_op4_i32(INDEX_op_muls2_i32, rl, rh, arg1, arg2);
+        /* Allow the optimizer room to replace muls2 with two moves.  */
+        tcg_gen_op0(&tcg_ctx, INDEX_op_nop);
+    } else if (TCG_TARGET_HAS_mulsh_i32) {
+        TCGv_i32 t = tcg_temp_new_i32();
+        tcg_gen_op3_i32(INDEX_op_mul_i32, t, arg1, arg2);
+        tcg_gen_op3_i32(INDEX_op_mulsh_i32, rh, arg1, arg2);
+        tcg_gen_mov_i32(rl, t);
+        tcg_temp_free_i32(t);
+    } else if (TCG_TARGET_REG_BITS == 32) {
+        TCGv_i32 t0 = tcg_temp_new_i32();
+        TCGv_i32 t1 = tcg_temp_new_i32();
+        TCGv_i32 t2 = tcg_temp_new_i32();
+        TCGv_i32 t3 = tcg_temp_new_i32();
+        tcg_gen_mulu2_i32(t0, t1, arg1, arg2);
+        /* Adjust for negative inputs.  */
+        tcg_gen_sari_i32(t2, arg1, 31);
+        tcg_gen_sari_i32(t3, arg2, 31);
+        tcg_gen_and_i32(t2, t2, arg2);
+        tcg_gen_and_i32(t3, t3, arg1);
+        tcg_gen_sub_i32(rh, t1, t2);
+        tcg_gen_sub_i32(rh, rh, t3);
+        tcg_gen_mov_i32(rl, t0);
+        tcg_temp_free_i32(t0);
+        tcg_temp_free_i32(t1);
+        tcg_temp_free_i32(t2);
+        tcg_temp_free_i32(t3);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        TCGv_i64 t1 = tcg_temp_new_i64();
+        tcg_gen_ext_i32_i64(t0, arg1);
+        tcg_gen_ext_i32_i64(t1, arg2);
+        tcg_gen_mul_i64(t0, t0, t1);
+        tcg_gen_extr_i64_i32(rl, rh, t0);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+    }
+}
+
+void tcg_gen_ext8s_i32(TCGv_i32 ret, TCGv_i32 arg)
+{
+    if (TCG_TARGET_HAS_ext8s_i32) {
+        tcg_gen_op2_i32(INDEX_op_ext8s_i32, ret, arg);
+    } else {
+        tcg_gen_shli_i32(ret, arg, 24);
+        tcg_gen_sari_i32(ret, ret, 24);
+    }
+}
+
+void tcg_gen_ext16s_i32(TCGv_i32 ret, TCGv_i32 arg)
+{
+    if (TCG_TARGET_HAS_ext16s_i32) {
+        tcg_gen_op2_i32(INDEX_op_ext16s_i32, ret, arg);
+    } else {
+        tcg_gen_shli_i32(ret, arg, 16);
+        tcg_gen_sari_i32(ret, ret, 16);
+    }
+}
+
+void tcg_gen_ext8u_i32(TCGv_i32 ret, TCGv_i32 arg)
+{
+    if (TCG_TARGET_HAS_ext8u_i32) {
+        tcg_gen_op2_i32(INDEX_op_ext8u_i32, ret, arg);
+    } else {
+        tcg_gen_andi_i32(ret, arg, 0xffu);
+    }
+}
+
+void tcg_gen_ext16u_i32(TCGv_i32 ret, TCGv_i32 arg)
+{
+    if (TCG_TARGET_HAS_ext16u_i32) {
+        tcg_gen_op2_i32(INDEX_op_ext16u_i32, ret, arg);
+    } else {
+        tcg_gen_andi_i32(ret, arg, 0xffffu);
+    }
+}
+
+/* Note: we assume the two high bytes are set to zero */
+void tcg_gen_bswap16_i32(TCGv_i32 ret, TCGv_i32 arg)
+{
+    if (TCG_TARGET_HAS_bswap16_i32) {
+        tcg_gen_op2_i32(INDEX_op_bswap16_i32, ret, arg);
+    } else {
+        TCGv_i32 t0 = tcg_temp_new_i32();
+
+        tcg_gen_ext8u_i32(t0, arg);
+        tcg_gen_shli_i32(t0, t0, 8);
+        tcg_gen_shri_i32(ret, arg, 8);
+        tcg_gen_or_i32(ret, ret, t0);
+        tcg_temp_free_i32(t0);
+    }
+}
+
+void tcg_gen_bswap32_i32(TCGv_i32 ret, TCGv_i32 arg)
+{
+    if (TCG_TARGET_HAS_bswap32_i32) {
+        tcg_gen_op2_i32(INDEX_op_bswap32_i32, ret, arg);
+    } else {
+        TCGv_i32 t0, t1;
+        t0 = tcg_temp_new_i32();
+        t1 = tcg_temp_new_i32();
+
+        tcg_gen_shli_i32(t0, arg, 24);
+
+        tcg_gen_andi_i32(t1, arg, 0x0000ff00);
+        tcg_gen_shli_i32(t1, t1, 8);
+        tcg_gen_or_i32(t0, t0, t1);
+
+        tcg_gen_shri_i32(t1, arg, 8);
+        tcg_gen_andi_i32(t1, t1, 0x0000ff00);
+        tcg_gen_or_i32(t0, t0, t1);
+
+        tcg_gen_shri_i32(t1, arg, 24);
+        tcg_gen_or_i32(ret, t0, t1);
+        tcg_temp_free_i32(t0);
+        tcg_temp_free_i32(t1);
+    }
+}
+
+/* 64-bit ops */
+
+#if TCG_TARGET_REG_BITS == 32
+/* These are all inline for TCG_TARGET_REG_BITS == 64.  */
+
+void tcg_gen_discard_i64(TCGv_i64 arg)
+{
+    tcg_gen_discard_i32(TCGV_LOW(arg));
+    tcg_gen_discard_i32(TCGV_HIGH(arg));
+}
+
+void tcg_gen_mov_i64(TCGv_i64 ret, TCGv_i64 arg)
+{
+    tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
+    tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg));
+}
+
+void tcg_gen_movi_i64(TCGv_i64 ret, int64_t arg)
+{
+    tcg_gen_movi_i32(TCGV_LOW(ret), arg);
+    tcg_gen_movi_i32(TCGV_HIGH(ret), arg >> 32);
+}
+
+void tcg_gen_ld8u_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
+{
+    tcg_gen_ld8u_i32(TCGV_LOW(ret), arg2, offset);
+    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
+}
+
+void tcg_gen_ld8s_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
+{
+    tcg_gen_ld8s_i32(TCGV_LOW(ret), arg2, offset);
+    tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), 31);
+}
+
+void tcg_gen_ld16u_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
+{
+    tcg_gen_ld16u_i32(TCGV_LOW(ret), arg2, offset);
+    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
+}
+
+void tcg_gen_ld16s_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
+{
+    tcg_gen_ld16s_i32(TCGV_LOW(ret), arg2, offset);
+    tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
+}
+
+void tcg_gen_ld32u_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
+{
+    tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset);
+    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
+}
+
+void tcg_gen_ld32s_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
+{
+    tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset);
+    tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
+}
+
+void tcg_gen_ld_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
+{
+    /* Since arg2 and ret have different types,
+       they cannot be the same temporary */
+#ifdef TCG_TARGET_WORDS_BIGENDIAN
+    tcg_gen_ld_i32(TCGV_HIGH(ret), arg2, offset);
+    tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset + 4);
+#else
+    tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset);
+    tcg_gen_ld_i32(TCGV_HIGH(ret), arg2, offset + 4);
+#endif
+}
+
+void tcg_gen_st_i64(TCGv_i64 arg1, TCGv_ptr arg2, tcg_target_long offset)
+{
+#ifdef TCG_TARGET_WORDS_BIGENDIAN
+    tcg_gen_st_i32(TCGV_HIGH(arg1), arg2, offset);
+    tcg_gen_st_i32(TCGV_LOW(arg1), arg2, offset + 4);
+#else
+    tcg_gen_st_i32(TCGV_LOW(arg1), arg2, offset);
+    tcg_gen_st_i32(TCGV_HIGH(arg1), arg2, offset + 4);
+#endif
+}
+
+void tcg_gen_and_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    tcg_gen_and_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
+    tcg_gen_and_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
+}
+
+void tcg_gen_or_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
+    tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
+}
+
+void tcg_gen_xor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    tcg_gen_xor_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
+    tcg_gen_xor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
+}
+
+void tcg_gen_shl_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    gen_helper_shl_i64(ret, arg1, arg2);
+}
+
+void tcg_gen_shr_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    gen_helper_shr_i64(ret, arg1, arg2);
+}
+
+void tcg_gen_sar_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    gen_helper_sar_i64(ret, arg1, arg2);
+}
+
+void tcg_gen_mul_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    TCGv_i64 t0;
+    TCGv_i32 t1;
+
+    t0 = tcg_temp_new_i64();
+    t1 = tcg_temp_new_i32();
+
+    tcg_gen_mulu2_i32(TCGV_LOW(t0), TCGV_HIGH(t0),
+                      TCGV_LOW(arg1), TCGV_LOW(arg2));
+
+    tcg_gen_mul_i32(t1, TCGV_LOW(arg1), TCGV_HIGH(arg2));
+    tcg_gen_add_i32(TCGV_HIGH(t0), TCGV_HIGH(t0), t1);
+    tcg_gen_mul_i32(t1, TCGV_HIGH(arg1), TCGV_LOW(arg2));
+    tcg_gen_add_i32(TCGV_HIGH(t0), TCGV_HIGH(t0), t1);
+
+    tcg_gen_mov_i64(ret, t0);
+    tcg_temp_free_i64(t0);
+    tcg_temp_free_i32(t1);
+}
+#endif /* TCG_TARGET_REG_SIZE == 32 */
+
+void tcg_gen_addi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
+{
+    /* some cases can be optimized here */
+    if (arg2 == 0) {
+        tcg_gen_mov_i64(ret, arg1);
+    } else {
+        TCGv_i64 t0 = tcg_const_i64(arg2);
+        tcg_gen_add_i64(ret, arg1, t0);
+        tcg_temp_free_i64(t0);
+    }
+}
+
+void tcg_gen_subfi_i64(TCGv_i64 ret, int64_t arg1, TCGv_i64 arg2)
+{
+    if (arg1 == 0 && TCG_TARGET_HAS_neg_i64) {
+        /* Don't recurse with tcg_gen_neg_i64.  */
+        tcg_gen_op2_i64(INDEX_op_neg_i64, ret, arg2);
+    } else {
+        TCGv_i64 t0 = tcg_const_i64(arg1);
+        tcg_gen_sub_i64(ret, t0, arg2);
+        tcg_temp_free_i64(t0);
+    }
+}
+
+void tcg_gen_subi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
+{
+    /* some cases can be optimized here */
+    if (arg2 == 0) {
+        tcg_gen_mov_i64(ret, arg1);
+    } else {
+        TCGv_i64 t0 = tcg_const_i64(arg2);
+        tcg_gen_sub_i64(ret, arg1, t0);
+        tcg_temp_free_i64(t0);
+    }
+}
+
+void tcg_gen_andi_i64(TCGv_i64 ret, TCGv_i64 arg1, uint64_t arg2)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_andi_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);
+    tcg_gen_andi_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
+#else
+    TCGv_i64 t0;
+    /* Some cases can be optimized here.  */
+    switch (arg2) {
+    case 0:
+        tcg_gen_movi_i64(ret, 0);
+        return;
+    case 0xffffffffffffffffull:
+        tcg_gen_mov_i64(ret, arg1);
+        return;
+    case 0xffull:
+        /* Don't recurse with tcg_gen_ext8u_i64.  */
+        if (TCG_TARGET_HAS_ext8u_i64) {
+            tcg_gen_op2_i64(INDEX_op_ext8u_i64, ret, arg1);
+            return;
+        }
+        break;
+    case 0xffffu:
+        if (TCG_TARGET_HAS_ext16u_i64) {
+            tcg_gen_op2_i64(INDEX_op_ext16u_i64, ret, arg1);
+            return;
+        }
+        break;
+    case 0xffffffffull:
+        if (TCG_TARGET_HAS_ext32u_i64) {
+            tcg_gen_op2_i64(INDEX_op_ext32u_i64, ret, arg1);
+            return;
+        }
+        break;
+    }
+    t0 = tcg_const_i64(arg2);
+    tcg_gen_and_i64(ret, arg1, t0);
+    tcg_temp_free_i64(t0);
+#endif
+}
+
+void tcg_gen_ori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_ori_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);
+    tcg_gen_ori_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
+#else
+    /* Some cases can be optimized here.  */
+    if (arg2 == -1) {
+        tcg_gen_movi_i64(ret, -1);
+    } else if (arg2 == 0) {
+        tcg_gen_mov_i64(ret, arg1);
+    } else {
+        TCGv_i64 t0 = tcg_const_i64(arg2);
+        tcg_gen_or_i64(ret, arg1, t0);
+        tcg_temp_free_i64(t0);
+    }
+#endif
+}
+
+void tcg_gen_xori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_xori_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);
+    tcg_gen_xori_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
+#else
+    /* Some cases can be optimized here.  */
+    if (arg2 == 0) {
+        tcg_gen_mov_i64(ret, arg1);
+    } else if (arg2 == -1 && TCG_TARGET_HAS_not_i64) {
+        /* Don't recurse with tcg_gen_not_i64.  */
+        tcg_gen_op2_i64(INDEX_op_not_i64, ret, arg1);
+    } else {
+        TCGv_i64 t0 = tcg_const_i64(arg2);
+        tcg_gen_xor_i64(ret, arg1, t0);
+        tcg_temp_free_i64(t0);
+    }
+#endif
+}
+
+#if TCG_TARGET_REG_BITS == 32
+static inline void tcg_gen_shifti_i64(TCGv_i64 ret, TCGv_i64 arg1,
+                                      unsigned c, bool right, bool arith)
+{
+    tcg_debug_assert(c < 64);
+    if (c == 0) {
+        tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg1));
+        tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1));
+    } else if (c >= 32) {
+        c -= 32;
+        if (right) {
+            if (arith) {
+                tcg_gen_sari_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), c);
+                tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), 31);
+            } else {
+                tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), c);
+                tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
+            }
+        } else {
+            tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_LOW(arg1), c);
+            tcg_gen_movi_i32(TCGV_LOW(ret), 0);
+        }
+    } else {
+        TCGv_i32 t0, t1;
+
+        t0 = tcg_temp_new_i32();
+        t1 = tcg_temp_new_i32();
+        if (right) {
+            tcg_gen_shli_i32(t0, TCGV_HIGH(arg1), 32 - c);
+            if (arith) {
+                tcg_gen_sari_i32(t1, TCGV_HIGH(arg1), c);
+            } else {
+                tcg_gen_shri_i32(t1, TCGV_HIGH(arg1), c);
+            }
+            tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_LOW(arg1), c);
+            tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(ret), t0);
+            tcg_gen_mov_i32(TCGV_HIGH(ret), t1);
+        } else {
+            tcg_gen_shri_i32(t0, TCGV_LOW(arg1), 32 - c);
+            /* Note: ret can be the same as arg1, so we use t1 */
+            tcg_gen_shli_i32(t1, TCGV_LOW(arg1), c);
+            tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), c);
+            tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), t0);
+            tcg_gen_mov_i32(TCGV_LOW(ret), t1);
+        }
+        tcg_temp_free_i32(t0);
+        tcg_temp_free_i32(t1);
+    }
+}
+
+void tcg_gen_shli_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2)
+{
+    tcg_gen_shifti_i64(ret, arg1, arg2, 0, 0);
+}
+
+void tcg_gen_shri_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2)
+{
+    tcg_gen_shifti_i64(ret, arg1, arg2, 1, 0);
+}
+
+void tcg_gen_sari_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2)
+{
+    tcg_gen_shifti_i64(ret, arg1, arg2, 1, 1);
+}
+#else /* TCG_TARGET_REG_SIZE == 64 */
+void tcg_gen_shli_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2)
+{
+    tcg_debug_assert(arg2 < 64);
+    if (arg2 == 0) {
+        tcg_gen_mov_i64(ret, arg1);
+    } else {
+        TCGv_i64 t0 = tcg_const_i64(arg2);
+        tcg_gen_shl_i64(ret, arg1, t0);
+        tcg_temp_free_i64(t0);
+    }
+}
+
+void tcg_gen_shri_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2)
+{
+    tcg_debug_assert(arg2 < 64);
+    if (arg2 == 0) {
+        tcg_gen_mov_i64(ret, arg1);
+    } else {
+        TCGv_i64 t0 = tcg_const_i64(arg2);
+        tcg_gen_shr_i64(ret, arg1, t0);
+        tcg_temp_free_i64(t0);
+    }
+}
+
+void tcg_gen_sari_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2)
+{
+    tcg_debug_assert(arg2 < 64);
+    if (arg2 == 0) {
+        tcg_gen_mov_i64(ret, arg1);
+    } else {
+        TCGv_i64 t0 = tcg_const_i64(arg2);
+        tcg_gen_sar_i64(ret, arg1, t0);
+        tcg_temp_free_i64(t0);
+    }
+}
+#endif /* TCG_TARGET_REG_SIZE */
+
+void tcg_gen_brcond_i64(TCGCond cond, TCGv_i64 arg1, TCGv_i64 arg2, int label)
+{
+    if (cond == TCG_COND_ALWAYS) {
+        tcg_gen_br(label);
+    } else if (cond != TCG_COND_NEVER) {
+#if TCG_TARGET_REG_BITS == 32
+        tcg_gen_op6ii_i32(INDEX_op_brcond2_i32, TCGV_LOW(arg1),
+                          TCGV_HIGH(arg1), TCGV_LOW(arg2),
+                          TCGV_HIGH(arg2), cond, label);
+#else
+        tcg_gen_op4ii_i64(INDEX_op_brcond_i64, arg1, arg2, cond, label);
+#endif
+    }
+}
+
+void tcg_gen_brcondi_i64(TCGCond cond, TCGv_i64 arg1, int64_t arg2, int label)
+{
+    if (cond == TCG_COND_ALWAYS) {
+        tcg_gen_br(label);
+    } else if (cond != TCG_COND_NEVER) {
+        TCGv_i64 t0 = tcg_const_i64(arg2);
+        tcg_gen_brcond_i64(cond, arg1, t0, label);
+        tcg_temp_free_i64(t0);
+    }
+}
+
+void tcg_gen_setcond_i64(TCGCond cond, TCGv_i64 ret,
+                         TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    if (cond == TCG_COND_ALWAYS) {
+        tcg_gen_movi_i64(ret, 1);
+    } else if (cond == TCG_COND_NEVER) {
+        tcg_gen_movi_i64(ret, 0);
+    } else {
+#if TCG_TARGET_REG_BITS == 32
+        tcg_gen_op6i_i32(INDEX_op_setcond2_i32, TCGV_LOW(ret),
+                         TCGV_LOW(arg1), TCGV_HIGH(arg1),
+                         TCGV_LOW(arg2), TCGV_HIGH(arg2), cond);
+        tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
+#else
+        tcg_gen_op4i_i64(INDEX_op_setcond_i64, ret, arg1, arg2, cond);
+#endif
+    }
+}
+
+void tcg_gen_setcondi_i64(TCGCond cond, TCGv_i64 ret,
+                          TCGv_i64 arg1, int64_t arg2)
+{
+    TCGv_i64 t0 = tcg_const_i64(arg2);
+    tcg_gen_setcond_i64(cond, ret, arg1, t0);
+    tcg_temp_free_i64(t0);
+}
+
+void tcg_gen_muli_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
+{
+    TCGv_i64 t0 = tcg_const_i64(arg2);
+    tcg_gen_mul_i64(ret, arg1, t0);
+    tcg_temp_free_i64(t0);
+}
+
+void tcg_gen_div_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    if (TCG_TARGET_HAS_div_i64) {
+        tcg_gen_op3_i64(INDEX_op_div_i64, ret, arg1, arg2);
+    } else if (TCG_TARGET_HAS_div2_i64) {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        tcg_gen_sari_i64(t0, arg1, 63);
+        tcg_gen_op5_i64(INDEX_op_div2_i64, ret, t0, arg1, t0, arg2);
+        tcg_temp_free_i64(t0);
+    } else {
+        gen_helper_div_i64(ret, arg1, arg2);
+    }
+}
+
+void tcg_gen_rem_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    if (TCG_TARGET_HAS_rem_i64) {
+        tcg_gen_op3_i64(INDEX_op_rem_i64, ret, arg1, arg2);
+    } else if (TCG_TARGET_HAS_div_i64) {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        tcg_gen_op3_i64(INDEX_op_div_i64, t0, arg1, arg2);
+        tcg_gen_mul_i64(t0, t0, arg2);
+        tcg_gen_sub_i64(ret, arg1, t0);
+        tcg_temp_free_i64(t0);
+    } else if (TCG_TARGET_HAS_div2_i64) {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        tcg_gen_sari_i64(t0, arg1, 63);
+        tcg_gen_op5_i64(INDEX_op_div2_i64, t0, ret, arg1, t0, arg2);
+        tcg_temp_free_i64(t0);
+    } else {
+        gen_helper_rem_i64(ret, arg1, arg2);
+    }
+}
+
+void tcg_gen_divu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    if (TCG_TARGET_HAS_div_i64) {
+        tcg_gen_op3_i64(INDEX_op_divu_i64, ret, arg1, arg2);
+    } else if (TCG_TARGET_HAS_div2_i64) {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        tcg_gen_movi_i64(t0, 0);
+        tcg_gen_op5_i64(INDEX_op_divu2_i64, ret, t0, arg1, t0, arg2);
+        tcg_temp_free_i64(t0);
+    } else {
+        gen_helper_divu_i64(ret, arg1, arg2);
+    }
+}
+
+void tcg_gen_remu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    if (TCG_TARGET_HAS_rem_i64) {
+        tcg_gen_op3_i64(INDEX_op_remu_i64, ret, arg1, arg2);
+    } else if (TCG_TARGET_HAS_div_i64) {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        tcg_gen_op3_i64(INDEX_op_divu_i64, t0, arg1, arg2);
+        tcg_gen_mul_i64(t0, t0, arg2);
+        tcg_gen_sub_i64(ret, arg1, t0);
+        tcg_temp_free_i64(t0);
+    } else if (TCG_TARGET_HAS_div2_i64) {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        tcg_gen_movi_i64(t0, 0);
+        tcg_gen_op5_i64(INDEX_op_divu2_i64, t0, ret, arg1, t0, arg2);
+        tcg_temp_free_i64(t0);
+    } else {
+        gen_helper_remu_i64(ret, arg1, arg2);
+    }
+}
+
+void tcg_gen_ext8s_i64(TCGv_i64 ret, TCGv_i64 arg)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_ext8s_i32(TCGV_LOW(ret), TCGV_LOW(arg));
+    tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
+#else
+    if (TCG_TARGET_HAS_ext8s_i64) {
+        tcg_gen_op2_i64(INDEX_op_ext8s_i64, ret, arg);
+    } else {
+        tcg_gen_shli_i64(ret, arg, 56);
+        tcg_gen_sari_i64(ret, ret, 56);
+    }
+#endif
+}
+
+void tcg_gen_ext16s_i64(TCGv_i64 ret, TCGv_i64 arg)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_ext16s_i32(TCGV_LOW(ret), TCGV_LOW(arg));
+    tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
+#else
+    if (TCG_TARGET_HAS_ext16s_i64) {
+        tcg_gen_op2_i64(INDEX_op_ext16s_i64, ret, arg);
+    } else {
+        tcg_gen_shli_i64(ret, arg, 48);
+        tcg_gen_sari_i64(ret, ret, 48);
+    }
+#endif
+}
+
+void tcg_gen_ext32s_i64(TCGv_i64 ret, TCGv_i64 arg)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
+    tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
+#else
+    if (TCG_TARGET_HAS_ext32s_i64) {
+        tcg_gen_op2_i64(INDEX_op_ext32s_i64, ret, arg);
+    } else {
+        tcg_gen_shli_i64(ret, arg, 32);
+        tcg_gen_sari_i64(ret, ret, 32);
+    }
+#endif
+}
+
+void tcg_gen_ext8u_i64(TCGv_i64 ret, TCGv_i64 arg)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_ext8u_i32(TCGV_LOW(ret), TCGV_LOW(arg));
+    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
+#else
+    if (TCG_TARGET_HAS_ext8u_i64) {
+        tcg_gen_op2_i64(INDEX_op_ext8u_i64, ret, arg);
+    } else {
+        tcg_gen_andi_i64(ret, arg, 0xffu);
+    }
+#endif
+}
+
+void tcg_gen_ext16u_i64(TCGv_i64 ret, TCGv_i64 arg)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_ext16u_i32(TCGV_LOW(ret), TCGV_LOW(arg));
+    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
+#else
+    if (TCG_TARGET_HAS_ext16u_i64) {
+        tcg_gen_op2_i64(INDEX_op_ext16u_i64, ret, arg);
+    } else {
+        tcg_gen_andi_i64(ret, arg, 0xffffu);
+    }
+#endif
+}
+
+void tcg_gen_ext32u_i64(TCGv_i64 ret, TCGv_i64 arg)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
+    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
+#else
+    if (TCG_TARGET_HAS_ext32u_i64) {
+        tcg_gen_op2_i64(INDEX_op_ext32u_i64, ret, arg);
+    } else {
+        tcg_gen_andi_i64(ret, arg, 0xffffffffu);
+    }
+#endif
+}
+
+/* Note: we assume the six high bytes are set to zero */
+void tcg_gen_bswap16_i64(TCGv_i64 ret, TCGv_i64 arg)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_bswap16_i32(TCGV_LOW(ret), TCGV_LOW(arg));
+    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
+#else
+    if (TCG_TARGET_HAS_bswap16_i64) {
+        tcg_gen_op2_i64(INDEX_op_bswap16_i64, ret, arg);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+
+        tcg_gen_ext8u_i64(t0, arg);
+        tcg_gen_shli_i64(t0, t0, 8);
+        tcg_gen_shri_i64(ret, arg, 8);
+        tcg_gen_or_i64(ret, ret, t0);
+        tcg_temp_free_i64(t0);
+    }
+#endif
+}
+
+/* Note: we assume the four high bytes are set to zero */
+void tcg_gen_bswap32_i64(TCGv_i64 ret, TCGv_i64 arg)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_bswap32_i32(TCGV_LOW(ret), TCGV_LOW(arg));
+    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
+#else
+    if (TCG_TARGET_HAS_bswap32_i64) {
+        tcg_gen_op2_i64(INDEX_op_bswap32_i64, ret, arg);
+    } else {
+        TCGv_i64 t0, t1;
+        t0 = tcg_temp_new_i64();
+        t1 = tcg_temp_new_i64();
+
+        tcg_gen_shli_i64(t0, arg, 24);
+        tcg_gen_ext32u_i64(t0, t0);
+
+        tcg_gen_andi_i64(t1, arg, 0x0000ff00);
+        tcg_gen_shli_i64(t1, t1, 8);
+        tcg_gen_or_i64(t0, t0, t1);
+
+        tcg_gen_shri_i64(t1, arg, 8);
+        tcg_gen_andi_i64(t1, t1, 0x0000ff00);
+        tcg_gen_or_i64(t0, t0, t1);
+
+        tcg_gen_shri_i64(t1, arg, 24);
+        tcg_gen_or_i64(ret, t0, t1);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+    }
+#endif
+}
+
+void tcg_gen_bswap64_i64(TCGv_i64 ret, TCGv_i64 arg)
+{
+#if TCG_TARGET_REG_BITS == 32
+    TCGv_i32 t0, t1;
+    t0 = tcg_temp_new_i32();
+    t1 = tcg_temp_new_i32();
+
+    tcg_gen_bswap32_i32(t0, TCGV_LOW(arg));
+    tcg_gen_bswap32_i32(t1, TCGV_HIGH(arg));
+    tcg_gen_mov_i32(TCGV_LOW(ret), t1);
+    tcg_gen_mov_i32(TCGV_HIGH(ret), t0);
+    tcg_temp_free_i32(t0);
+    tcg_temp_free_i32(t1);
+#else
+    if (TCG_TARGET_HAS_bswap64_i64) {
+        tcg_gen_op2_i64(INDEX_op_bswap64_i64, ret, arg);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        TCGv_i64 t1 = tcg_temp_new_i64();
+
+        tcg_gen_shli_i64(t0, arg, 56);
+
+        tcg_gen_andi_i64(t1, arg, 0x0000ff00);
+        tcg_gen_shli_i64(t1, t1, 40);
+        tcg_gen_or_i64(t0, t0, t1);
+
+        tcg_gen_andi_i64(t1, arg, 0x00ff0000);
+        tcg_gen_shli_i64(t1, t1, 24);
+        tcg_gen_or_i64(t0, t0, t1);
+
+        tcg_gen_andi_i64(t1, arg, 0xff000000);
+        tcg_gen_shli_i64(t1, t1, 8);
+        tcg_gen_or_i64(t0, t0, t1);
+
+        tcg_gen_shri_i64(t1, arg, 8);
+        tcg_gen_andi_i64(t1, t1, 0xff000000);
+        tcg_gen_or_i64(t0, t0, t1);
+
+        tcg_gen_shri_i64(t1, arg, 24);
+        tcg_gen_andi_i64(t1, t1, 0x00ff0000);
+        tcg_gen_or_i64(t0, t0, t1);
+
+        tcg_gen_shri_i64(t1, arg, 40);
+        tcg_gen_andi_i64(t1, t1, 0x0000ff00);
+        tcg_gen_or_i64(t0, t0, t1);
+
+        tcg_gen_shri_i64(t1, arg, 56);
+        tcg_gen_or_i64(ret, t0, t1);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+    }
+#endif
+}
+
+void tcg_gen_not_i64(TCGv_i64 ret, TCGv_i64 arg)
+{
+#if TCG_TARGET_REG_BITS == 64
+    if (TCG_TARGET_HAS_not_i64) {
+        tcg_gen_op2_i64(INDEX_op_not_i64, ret, arg);
+    } else {
+        tcg_gen_xori_i64(ret, arg, -1);
+    }
+#else
+    tcg_gen_not_i32(TCGV_LOW(ret), TCGV_LOW(arg));
+    tcg_gen_not_i32(TCGV_HIGH(ret), TCGV_HIGH(arg));
+#endif
+}
+
+void tcg_gen_andc_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+#if TCG_TARGET_REG_BITS == 64
+    if (TCG_TARGET_HAS_andc_i64) {
+        tcg_gen_op3_i64(INDEX_op_andc_i64, ret, arg1, arg2);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        tcg_gen_not_i64(t0, arg2);
+        tcg_gen_and_i64(ret, arg1, t0);
+        tcg_temp_free_i64(t0);
+    }
+#else
+    tcg_gen_andc_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
+    tcg_gen_andc_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
+#endif
+}
+
+void tcg_gen_eqv_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+#if TCG_TARGET_REG_BITS == 64
+    if (TCG_TARGET_HAS_eqv_i64) {
+        tcg_gen_op3_i64(INDEX_op_eqv_i64, ret, arg1, arg2);
+    } else {
+        tcg_gen_xor_i64(ret, arg1, arg2);
+        tcg_gen_not_i64(ret, ret);
+    }
+#else
+    tcg_gen_eqv_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
+    tcg_gen_eqv_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
+#endif
+}
+
+void tcg_gen_nand_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+#if TCG_TARGET_REG_BITS == 64
+    if (TCG_TARGET_HAS_nand_i64) {
+        tcg_gen_op3_i64(INDEX_op_nand_i64, ret, arg1, arg2);
+    } else {
+        tcg_gen_and_i64(ret, arg1, arg2);
+        tcg_gen_not_i64(ret, ret);
+    }
+#else
+    tcg_gen_nand_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
+    tcg_gen_nand_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
+#endif
+}
+
+void tcg_gen_nor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+#if TCG_TARGET_REG_BITS == 64
+    if (TCG_TARGET_HAS_nor_i64) {
+        tcg_gen_op3_i64(INDEX_op_nor_i64, ret, arg1, arg2);
+    } else {
+        tcg_gen_or_i64(ret, arg1, arg2);
+        tcg_gen_not_i64(ret, ret);
+    }
+#else
+    tcg_gen_nor_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
+    tcg_gen_nor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
+#endif
+}
+
+void tcg_gen_orc_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+#if TCG_TARGET_REG_BITS == 64
+    if (TCG_TARGET_HAS_orc_i64) {
+        tcg_gen_op3_i64(INDEX_op_orc_i64, ret, arg1, arg2);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        tcg_gen_not_i64(t0, arg2);
+        tcg_gen_or_i64(ret, arg1, t0);
+        tcg_temp_free_i64(t0);
+    }
+#else
+    tcg_gen_orc_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
+    tcg_gen_orc_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
+#endif
+}
+
+void tcg_gen_rotl_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    if (TCG_TARGET_HAS_rot_i64) {
+        tcg_gen_op3_i64(INDEX_op_rotl_i64, ret, arg1, arg2);
+    } else {
+        TCGv_i64 t0, t1;
+        t0 = tcg_temp_new_i64();
+        t1 = tcg_temp_new_i64();
+        tcg_gen_shl_i64(t0, arg1, arg2);
+        tcg_gen_subfi_i64(t1, 64, arg2);
+        tcg_gen_shr_i64(t1, arg1, t1);
+        tcg_gen_or_i64(ret, t0, t1);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+    }
+}
+
+void tcg_gen_rotli_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2)
+{
+    tcg_debug_assert(arg2 < 64);
+    /* some cases can be optimized here */
+    if (arg2 == 0) {
+        tcg_gen_mov_i64(ret, arg1);
+    } else if (TCG_TARGET_HAS_rot_i64) {
+        TCGv_i64 t0 = tcg_const_i64(arg2);
+        tcg_gen_rotl_i64(ret, arg1, t0);
+        tcg_temp_free_i64(t0);
+    } else {
+        TCGv_i64 t0, t1;
+        t0 = tcg_temp_new_i64();
+        t1 = tcg_temp_new_i64();
+        tcg_gen_shli_i64(t0, arg1, arg2);
+        tcg_gen_shri_i64(t1, arg1, 64 - arg2);
+        tcg_gen_or_i64(ret, t0, t1);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+    }
+}
+
+void tcg_gen_rotr_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    if (TCG_TARGET_HAS_rot_i64) {
+        tcg_gen_op3_i64(INDEX_op_rotr_i64, ret, arg1, arg2);
+    } else {
+        TCGv_i64 t0, t1;
+        t0 = tcg_temp_new_i64();
+        t1 = tcg_temp_new_i64();
+        tcg_gen_shr_i64(t0, arg1, arg2);
+        tcg_gen_subfi_i64(t1, 64, arg2);
+        tcg_gen_shl_i64(t1, arg1, t1);
+        tcg_gen_or_i64(ret, t0, t1);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+    }
+}
+
+void tcg_gen_rotri_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2)
+{
+    tcg_debug_assert(arg2 < 64);
+    /* some cases can be optimized here */
+    if (arg2 == 0) {
+        tcg_gen_mov_i64(ret, arg1);
+    } else {
+        tcg_gen_rotli_i64(ret, arg1, 64 - arg2);
+    }
+}
+
+void tcg_gen_deposit_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2,
+                         unsigned int ofs, unsigned int len)
+{
+    uint64_t mask;
+    TCGv_i64 t1;
+
+    tcg_debug_assert(ofs < 64);
+    tcg_debug_assert(len <= 64);
+    tcg_debug_assert(ofs + len <= 64);
+
+    if (ofs == 0 && len == 64) {
+        tcg_gen_mov_i64(ret, arg2);
+        return;
+    }
+    if (TCG_TARGET_HAS_deposit_i64 && TCG_TARGET_deposit_i64_valid(ofs, len)) {
+        tcg_gen_op5ii_i64(INDEX_op_deposit_i64, ret, arg1, arg2, ofs, len);
+        return;
+    }
+
+#if TCG_TARGET_REG_BITS == 32
+    if (ofs >= 32) {
+        tcg_gen_deposit_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1),
+                            TCGV_LOW(arg2), ofs - 32, len);
+        tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg1));
+        return;
+    }
+    if (ofs + len <= 32) {
+        tcg_gen_deposit_i32(TCGV_LOW(ret), TCGV_LOW(arg1),
+                            TCGV_LOW(arg2), ofs, len);
+        tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1));
+        return;
+    }
+#endif
+
+    mask = (1ull << len) - 1;
+    t1 = tcg_temp_new_i64();
+
+    if (ofs + len < 64) {
+        tcg_gen_andi_i64(t1, arg2, mask);
+        tcg_gen_shli_i64(t1, t1, ofs);
+    } else {
+        tcg_gen_shli_i64(t1, arg2, ofs);
+    }
+    tcg_gen_andi_i64(ret, arg1, ~(mask << ofs));
+    tcg_gen_or_i64(ret, ret, t1);
+
+    tcg_temp_free_i64(t1);
+}
+
+void tcg_gen_movcond_i64(TCGCond cond, TCGv_i64 ret, TCGv_i64 c1,
+                         TCGv_i64 c2, TCGv_i64 v1, TCGv_i64 v2)
+{
+#if TCG_TARGET_REG_BITS == 32
+    TCGv_i32 t0 = tcg_temp_new_i32();
+    TCGv_i32 t1 = tcg_temp_new_i32();
+    tcg_gen_op6i_i32(INDEX_op_setcond2_i32, t0,
+                     TCGV_LOW(c1), TCGV_HIGH(c1),
+                     TCGV_LOW(c2), TCGV_HIGH(c2), cond);
+
+    if (TCG_TARGET_HAS_movcond_i32) {
+        tcg_gen_movi_i32(t1, 0);
+        tcg_gen_movcond_i32(TCG_COND_NE, TCGV_LOW(ret), t0, t1,
+                            TCGV_LOW(v1), TCGV_LOW(v2));
+        tcg_gen_movcond_i32(TCG_COND_NE, TCGV_HIGH(ret), t0, t1,
+                            TCGV_HIGH(v1), TCGV_HIGH(v2));
+    } else {
+        tcg_gen_neg_i32(t0, t0);
+
+        tcg_gen_and_i32(t1, TCGV_LOW(v1), t0);
+        tcg_gen_andc_i32(TCGV_LOW(ret), TCGV_LOW(v2), t0);
+        tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(ret), t1);
+
+        tcg_gen_and_i32(t1, TCGV_HIGH(v1), t0);
+        tcg_gen_andc_i32(TCGV_HIGH(ret), TCGV_HIGH(v2), t0);
+        tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), t1);
+    }
+    tcg_temp_free_i32(t0);
+    tcg_temp_free_i32(t1);
+#else
+    if (TCG_TARGET_HAS_movcond_i64) {
+        tcg_gen_op6i_i64(INDEX_op_movcond_i64, ret, c1, c2, v1, v2, cond);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        TCGv_i64 t1 = tcg_temp_new_i64();
+        tcg_gen_setcond_i64(cond, t0, c1, c2);
+        tcg_gen_neg_i64(t0, t0);
+        tcg_gen_and_i64(t1, v1, t0);
+        tcg_gen_andc_i64(ret, v2, t0);
+        tcg_gen_or_i64(ret, ret, t1);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+    }
+#endif
+}
+
+void tcg_gen_add2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 al,
+                      TCGv_i64 ah, TCGv_i64 bl, TCGv_i64 bh)
+{
+    if (TCG_TARGET_HAS_add2_i64) {
+        tcg_gen_op6_i64(INDEX_op_add2_i64, rl, rh, al, ah, bl, bh);
+        /* Allow the optimizer room to replace add2 with two moves.  */
+        tcg_gen_op0(&tcg_ctx, INDEX_op_nop);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        TCGv_i64 t1 = tcg_temp_new_i64();
+        tcg_gen_add_i64(t0, al, bl);
+        tcg_gen_setcond_i64(TCG_COND_LTU, t1, t0, al);
+        tcg_gen_add_i64(rh, ah, bh);
+        tcg_gen_add_i64(rh, rh, t1);
+        tcg_gen_mov_i64(rl, t0);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+    }
+}
+
+void tcg_gen_sub2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 al,
+                      TCGv_i64 ah, TCGv_i64 bl, TCGv_i64 bh)
+{
+    if (TCG_TARGET_HAS_sub2_i64) {
+        tcg_gen_op6_i64(INDEX_op_sub2_i64, rl, rh, al, ah, bl, bh);
+        /* Allow the optimizer room to replace sub2 with two moves.  */
+        tcg_gen_op0(&tcg_ctx, INDEX_op_nop);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        TCGv_i64 t1 = tcg_temp_new_i64();
+        tcg_gen_sub_i64(t0, al, bl);
+        tcg_gen_setcond_i64(TCG_COND_LTU, t1, al, bl);
+        tcg_gen_sub_i64(rh, ah, bh);
+        tcg_gen_sub_i64(rh, rh, t1);
+        tcg_gen_mov_i64(rl, t0);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+    }
+}
+
+void tcg_gen_mulu2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    if (TCG_TARGET_HAS_mulu2_i64) {
+        tcg_gen_op4_i64(INDEX_op_mulu2_i64, rl, rh, arg1, arg2);
+        /* Allow the optimizer room to replace mulu2 with two moves.  */
+        tcg_gen_op0(&tcg_ctx, INDEX_op_nop);
+    } else if (TCG_TARGET_HAS_muluh_i64) {
+        TCGv_i64 t = tcg_temp_new_i64();
+        tcg_gen_op3_i64(INDEX_op_mul_i64, t, arg1, arg2);
+        tcg_gen_op3_i64(INDEX_op_muluh_i64, rh, arg1, arg2);
+        tcg_gen_mov_i64(rl, t);
+        tcg_temp_free_i64(t);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        tcg_gen_mul_i64(t0, arg1, arg2);
+        gen_helper_muluh_i64(rh, arg1, arg2);
+        tcg_gen_mov_i64(rl, t0);
+        tcg_temp_free_i64(t0);
+    }
+}
+
+void tcg_gen_muls2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2)
+{
+    if (TCG_TARGET_HAS_muls2_i64) {
+        tcg_gen_op4_i64(INDEX_op_muls2_i64, rl, rh, arg1, arg2);
+        /* Allow the optimizer room to replace muls2 with two moves.  */
+        tcg_gen_op0(&tcg_ctx, INDEX_op_nop);
+    } else if (TCG_TARGET_HAS_mulsh_i64) {
+        TCGv_i64 t = tcg_temp_new_i64();
+        tcg_gen_op3_i64(INDEX_op_mul_i64, t, arg1, arg2);
+        tcg_gen_op3_i64(INDEX_op_mulsh_i64, rh, arg1, arg2);
+        tcg_gen_mov_i64(rl, t);
+        tcg_temp_free_i64(t);
+    } else if (TCG_TARGET_HAS_mulu2_i64 || TCG_TARGET_HAS_muluh_i64) {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        TCGv_i64 t1 = tcg_temp_new_i64();
+        TCGv_i64 t2 = tcg_temp_new_i64();
+        TCGv_i64 t3 = tcg_temp_new_i64();
+        tcg_gen_mulu2_i64(t0, t1, arg1, arg2);
+        /* Adjust for negative inputs.  */
+        tcg_gen_sari_i64(t2, arg1, 63);
+        tcg_gen_sari_i64(t3, arg2, 63);
+        tcg_gen_and_i64(t2, t2, arg2);
+        tcg_gen_and_i64(t3, t3, arg1);
+        tcg_gen_sub_i64(rh, t1, t2);
+        tcg_gen_sub_i64(rh, rh, t3);
+        tcg_gen_mov_i64(rl, t0);
+        tcg_temp_free_i64(t0);
+        tcg_temp_free_i64(t1);
+        tcg_temp_free_i64(t2);
+        tcg_temp_free_i64(t3);
+    } else {
+        TCGv_i64 t0 = tcg_temp_new_i64();
+        tcg_gen_mul_i64(t0, arg1, arg2);
+        gen_helper_mulsh_i64(rh, arg1, arg2);
+        tcg_gen_mov_i64(rl, t0);
+        tcg_temp_free_i64(t0);
+    }
+}
+
+/* Size changing operations.  */
+
+void tcg_gen_trunc_shr_i64_i32(TCGv_i32 ret, TCGv_i64 arg, unsigned count)
+{
+    tcg_debug_assert(count < 64);
+#if TCG_TARGET_REG_BITS == 32
+    if (count >= 32) {
+        tcg_gen_shri_i32(ret, TCGV_HIGH(arg), count - 32);
+    } else if (count == 0) {
+        tcg_gen_mov_i32(ret, TCGV_LOW(arg));
+    } else {
+        TCGv_i64 t = tcg_temp_new_i64();
+        tcg_gen_shri_i64(t, arg, count);
+        tcg_gen_mov_i32(ret, TCGV_LOW(t));
+        tcg_temp_free_i64(t);
+    }
+#else
+    if (TCG_TARGET_HAS_trunc_shr_i32) {
+        tcg_gen_op3i_i32(INDEX_op_trunc_shr_i32, ret,
+                         MAKE_TCGV_I32(GET_TCGV_I64(arg)), count);
+    } else if (count == 0) {
+        tcg_gen_mov_i32(ret, MAKE_TCGV_I32(GET_TCGV_I64(arg)));
+    } else {
+        TCGv_i64 t = tcg_temp_new_i64();
+        tcg_gen_shri_i64(t, arg, count);
+        tcg_gen_mov_i32(ret, MAKE_TCGV_I32(GET_TCGV_I64(t)));
+        tcg_temp_free_i64(t);
+    }
+#endif
+}
+
+void tcg_gen_extu_i32_i64(TCGv_i64 ret, TCGv_i32 arg)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_mov_i32(TCGV_LOW(ret), arg);
+    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
+#else
+    /* Note: we assume the target supports move between
+       32 and 64 bit registers.  */
+    tcg_gen_ext32u_i64(ret, MAKE_TCGV_I64(GET_TCGV_I32(arg)));
+#endif
+}
+
+void tcg_gen_ext_i32_i64(TCGv_i64 ret, TCGv_i32 arg)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_mov_i32(TCGV_LOW(ret), arg);
+    tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
+#else
+    /* Note: we assume the target supports move between
+       32 and 64 bit registers.  */
+    tcg_gen_ext32s_i64(ret, MAKE_TCGV_I64(GET_TCGV_I32(arg)));
+#endif
+}
+
+void tcg_gen_concat_i32_i64(TCGv_i64 dest, TCGv_i32 low, TCGv_i32 high)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_mov_i32(TCGV_LOW(dest), low);
+    tcg_gen_mov_i32(TCGV_HIGH(dest), high);
+#else
+    TCGv_i64 tmp = tcg_temp_new_i64();
+    /* These extensions are only needed for type correctness.
+       We may be able to do better given target specific information.  */
+    tcg_gen_extu_i32_i64(tmp, high);
+    tcg_gen_extu_i32_i64(dest, low);
+    /* If deposit is available, use it.  Otherwise use the extra
+       knowledge that we have of the zero-extensions above.  */
+    if (TCG_TARGET_HAS_deposit_i64 && TCG_TARGET_deposit_i64_valid(32, 32)) {
+        tcg_gen_deposit_i64(dest, dest, tmp, 32, 32);
+    } else {
+        tcg_gen_shli_i64(tmp, tmp, 32);
+        tcg_gen_or_i64(dest, dest, tmp);
+    }
+    tcg_temp_free_i64(tmp);
+#endif
+}
+
+void tcg_gen_extr_i64_i32(TCGv_i32 lo, TCGv_i32 hi, TCGv_i64 arg)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_mov_i32(lo, TCGV_LOW(arg));
+    tcg_gen_mov_i32(hi, TCGV_HIGH(arg));
+#else
+    tcg_gen_trunc_shr_i64_i32(lo, arg, 0);
+    tcg_gen_trunc_shr_i64_i32(hi, arg, 32);
+#endif
+}
+
+void tcg_gen_extr32_i64(TCGv_i64 lo, TCGv_i64 hi, TCGv_i64 arg)
+{
+    tcg_gen_ext32u_i64(lo, arg);
+    tcg_gen_shri_i64(hi, arg, 32);
+}
+
+/* QEMU specific operations.  */
+
+void tcg_gen_goto_tb(unsigned idx)
+{
+    /* We only support two chained exits.  */
+    tcg_debug_assert(idx <= 1);
+#ifdef CONFIG_DEBUG_TCG
+    /* Verify that we havn't seen this numbered exit before.  */
+    tcg_debug_assert((tcg_ctx.goto_tb_issue_mask & (1 << idx)) == 0);
+    tcg_ctx.goto_tb_issue_mask |= 1 << idx;
+#endif
+    tcg_gen_op1i(INDEX_op_goto_tb, idx);
+}
+
+static inline TCGMemOp tcg_canonicalize_memop(TCGMemOp op, bool is64, bool st)
+{
+    switch (op & MO_SIZE) {
+    case MO_8:
+        op &= ~MO_BSWAP;
+        break;
+    case MO_16:
+        break;
+    case MO_32:
+        if (!is64) {
+            op &= ~MO_SIGN;
+        }
+        break;
+    case MO_64:
+        if (!is64) {
+            tcg_abort();
+        }
+        break;
+    }
+    if (st) {
+        op &= ~MO_SIGN;
+    }
+    return op;
+}
+
+static inline void tcg_add_param_i32(TCGv_i32 val)
+{
+    *tcg_ctx.gen_opparam_ptr++ = GET_TCGV_I32(val);
+}
+
+static inline void tcg_add_param_i64(TCGv_i64 val)
+{
+#if TCG_TARGET_REG_BITS == 32
+    *tcg_ctx.gen_opparam_ptr++ = GET_TCGV_I32(TCGV_LOW(val));
+    *tcg_ctx.gen_opparam_ptr++ = GET_TCGV_I32(TCGV_HIGH(val));
+#else
+    *tcg_ctx.gen_opparam_ptr++ = GET_TCGV_I64(val);
+#endif
+}
+
+#if TARGET_LONG_BITS == 32
+# define tcg_add_param_tl  tcg_add_param_i32
+#else
+# define tcg_add_param_tl  tcg_add_param_i64
+#endif
+
+void tcg_gen_qemu_ld_i32(TCGv_i32 val, TCGv addr, TCGArg idx, TCGMemOp memop)
+{
+    memop = tcg_canonicalize_memop(memop, 0, 0);
+
+    *tcg_ctx.gen_opc_ptr++ = INDEX_op_qemu_ld_i32;
+    tcg_add_param_i32(val);
+    tcg_add_param_tl(addr);
+    *tcg_ctx.gen_opparam_ptr++ = memop;
+    *tcg_ctx.gen_opparam_ptr++ = idx;
+}
+
+void tcg_gen_qemu_st_i32(TCGv_i32 val, TCGv addr, TCGArg idx, TCGMemOp memop)
+{
+    memop = tcg_canonicalize_memop(memop, 0, 1);
+
+    *tcg_ctx.gen_opc_ptr++ = INDEX_op_qemu_st_i32;
+    tcg_add_param_i32(val);
+    tcg_add_param_tl(addr);
+    *tcg_ctx.gen_opparam_ptr++ = memop;
+    *tcg_ctx.gen_opparam_ptr++ = idx;
+}
+
+void tcg_gen_qemu_ld_i64(TCGv_i64 val, TCGv addr, TCGArg idx, TCGMemOp memop)
+{
+    memop = tcg_canonicalize_memop(memop, 1, 0);
+
+#if TCG_TARGET_REG_BITS == 32
+    if ((memop & MO_SIZE) < MO_64) {
+        tcg_gen_qemu_ld_i32(TCGV_LOW(val), addr, idx, memop);
+        if (memop & MO_SIGN) {
+            tcg_gen_sari_i32(TCGV_HIGH(val), TCGV_LOW(val), 31);
+        } else {
+            tcg_gen_movi_i32(TCGV_HIGH(val), 0);
+        }
+        return;
+    }
+#endif
+
+    *tcg_ctx.gen_opc_ptr++ = INDEX_op_qemu_ld_i64;
+    tcg_add_param_i64(val);
+    tcg_add_param_tl(addr);
+    *tcg_ctx.gen_opparam_ptr++ = memop;
+    *tcg_ctx.gen_opparam_ptr++ = idx;
+}
+
+void tcg_gen_qemu_st_i64(TCGv_i64 val, TCGv addr, TCGArg idx, TCGMemOp memop)
+{
+    memop = tcg_canonicalize_memop(memop, 1, 1);
+
+#if TCG_TARGET_REG_BITS == 32
+    if ((memop & MO_SIZE) < MO_64) {
+        tcg_gen_qemu_st_i32(TCGV_LOW(val), addr, idx, memop);
+        return;
+    }
+#endif
+
+    *tcg_ctx.gen_opc_ptr++ = INDEX_op_qemu_st_i64;
+    tcg_add_param_i64(val);
+    tcg_add_param_tl(addr);
+    *tcg_ctx.gen_opparam_ptr++ = memop;
+    *tcg_ctx.gen_opparam_ptr++ = idx;
+}