#ifdef __aarch64__

#include "ibm.h"
#include "x86.h"
#include "386_common.h"
#include "codegen.h"
#include "codegen_backend.h"
#include "codegen_backend_arm64_defs.h"
#include "codegen_backend_arm64_ops.h"
#include "codegen_ir_defs.h"

#define OFFSET19(offset) (((offset >> 2) << 5) & 0x00ffffe0)

#define HOST_REG_GET(reg) (IREG_GET_REG(reg) & 0x1f)

#define REG_IS_L(size) (size == IREG_SIZE_L)
#define REG_IS_W(size) (size == IREG_SIZE_W)
#define REG_IS_B(size) (size == IREG_SIZE_B)
#define REG_IS_BH(size) (size == IREG_SIZE_BH)
#define REG_IS_D(size) (size == IREG_SIZE_D)

static int codegen_ADD(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

	if (REG_IS_L(dest_size) && REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
	{
		host_arm64_ADD_REG(block, dest_reg, src_reg_a, src_reg_b, 0);
	}
	else if (REG_IS_W(dest_size) && REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
	{
		host_arm64_ADD_REG(block, REG_TEMP, src_reg_a, src_reg_b, 0);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
	{
		host_arm64_ADD_REG(block, REG_TEMP, src_reg_a, src_reg_b, 0);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_BH(src_size_b))
	{
		host_arm64_ADD_REG_LSR(block, REG_TEMP, src_reg_a, src_reg_b, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size_a) && REG_IS_B(src_size_b))
	{
		host_arm64_ADD_REG_LSR(block, REG_TEMP, src_reg_b, src_reg_a, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size_a) && REG_IS_BH(src_size_b))
	{
		host_arm64_AND_IMM(block, REG_TEMP, src_reg_a, 0x0000ff00);
		host_arm64_ADD_REG(block, REG_TEMP, REG_TEMP, src_reg_b, 0);
		host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
	}
	else
		fatal("ADD %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}

static int codegen_ADD_IMM(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

	if (REG_IS_L(dest_size) && REG_IS_L(src_size))
	{
		host_arm64_ADD_IMM(block, dest_reg, src_reg, uop->imm_data);
	}
	else if (REG_IS_W(dest_size) && REG_IS_W(src_size))
	{
		host_arm64_ADD_IMM(block, REG_TEMP, src_reg, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size))
	{
		host_arm64_ADD_IMM(block, REG_TEMP, src_reg, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size))
	{
		host_arm64_ADD_IMM(block, REG_TEMP, src_reg, uop->imm_data << 8);
		host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
	}
	else
		fatal("ADD_IMM %x %x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}

static int codegen_ADD_LSHIFT(codeblock_t *block, uop_t *uop)
{
	host_arm64_ADD_REG(block, uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real, uop->imm_data);
        return 0;
}

static int codegen_AND(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

	if (REG_IS_L(dest_size) && REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
	{
		host_arm64_AND_REG(block, dest_reg, src_reg_a, src_reg_b, 0);
	}
	else if (REG_IS_W(dest_size) && REG_IS_W(src_size_a) && REG_IS_W(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_ORR_IMM(block, REG_TEMP, src_reg_b, 0xffff0000);
		host_arm64_AND_REG(block, dest_reg, src_reg_a, REG_TEMP, 0);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_B(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_ORR_IMM(block, REG_TEMP, src_reg_b, 0xffffff00);
		host_arm64_AND_REG(block, dest_reg, src_reg_a, REG_TEMP, 0);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_BH(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_ORR_IMM(block, REG_TEMP, src_reg_b, 0xffff00ff);
		host_arm64_AND_REG_ASR(block, dest_reg, src_reg_a, REG_TEMP, 8);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size_a) && REG_IS_B(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_ORR_IMM(block, REG_TEMP, src_reg_b, 0xffffff00);
		host_arm64_AND_REG_ROR(block, dest_reg, src_reg_a, REG_TEMP, 24);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size_a) && REG_IS_BH(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_ORR_IMM(block, REG_TEMP, src_reg_b, 0xffff00ff);
		host_arm64_AND_REG(block, dest_reg, src_reg_a, REG_TEMP, 0);
	}
	else if (REG_IS_W(dest_size) && REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
	{
		host_arm64_AND_REG(block, REG_TEMP, src_reg_a, src_reg_b, 0);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
	{
		host_arm64_AND_REG(block, REG_TEMP, src_reg_a, src_reg_b, 0);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_BH(src_size_b))
	{
		host_arm64_ORR_IMM(block, REG_TEMP, src_reg_b, 0xffff00ff);
		host_arm64_AND_REG_ROR(block, REG_TEMP, src_reg_a, REG_TEMP, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_B(dest_size) && REG_IS_BH(src_size_a) && REG_IS_B(src_size_b))
	{
		host_arm64_ORR_IMM(block, REG_TEMP, src_reg_a, 0xffff00ff);
		host_arm64_AND_REG_ROR(block, REG_TEMP, src_reg_b, REG_TEMP, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_B(dest_size) && REG_IS_BH(src_size_a) && REG_IS_BH(src_size_b))
	{
		host_arm64_AND_REG(block, REG_TEMP, src_reg_a, src_reg_b, 0);
		host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else
		fatal("AND %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_AND_IMM(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

	if (REG_IS_L(dest_size) && REG_IS_L(src_size))
	{
		host_arm64_AND_IMM(block, dest_reg, src_reg, uop->imm_data);
	}
	else if (REG_IS_W(dest_size) && REG_IS_W(src_size))
	{
		host_arm64_AND_IMM(block, dest_reg, src_reg, uop->imm_data | 0xffff0000);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size))
	{
		host_arm64_AND_IMM(block, dest_reg, src_reg, uop->imm_data | 0xffffff00);
	}
	else if (REG_IS_B(dest_size) && REG_IS_BH(src_size))
	{
		host_arm64_MOV_REG_LSR(block, REG_TEMP, src_reg, 8);
		host_arm64_AND_IMM(block, REG_TEMP, REG_TEMP, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size))
	{
		host_arm64_AND_IMM(block, dest_reg, src_reg, (uop->imm_data << 8) | 0xffff00ff);
	}
	else
		fatal("AND_IMM %x %x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}

static int codegen_CALL_FUNC(codeblock_t *block, uop_t *uop)
{
        host_arm64_call(block, uop->p);

        return 0;
}

static int codegen_CALL_FUNC_RESULT(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real);

        if (!REG_IS_L(dest_size))
                fatal("CALL_FUNC_RESULT %02x\n", uop->dest_reg_a_real);
        host_arm64_call(block, uop->p);
        host_arm64_MOV_REG(block, dest_reg, REG_W0, 0);

        return 0;
}

static int codegen_CALL_INSTRUCTION_FUNC(codeblock_t *block, uop_t *uop)
{
	host_arm64_call(block, uop->p);
	host_arm64_CBNZ(block, REG_X0, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);

        return 0;
}

static int codegen_CMP_IMM_JZ(codeblock_t *block, uop_t *uop)
{
        int src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_L(src_size))
        {
                host_arm64_CMP_IMM(block, src_reg, uop->imm_data);
        }
        else
                fatal("CMP_IMM_JZ %02x\n", uop->src_reg_a_real);
        host_arm64_BEQ(block, uop->p);

        return 0;
}

static int codegen_CMP_IMM_JNZ_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_L(src_size))
        {
                host_arm64_CMP_IMM(block, src_reg, uop->imm_data);
        }
        else if (REG_IS_W(src_size))
        {
		host_arm64_AND_IMM(block, REG_TEMP, src_reg, 0xffff);
                host_arm64_CMP_IMM(block, REG_TEMP, uop->imm_data);
        }
        else
                fatal("CMP_IMM_JNZ_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BNE_(block);

        return 0;
}
static int codegen_CMP_IMM_JZ_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_L(src_size))
        {
                host_arm64_CMP_IMM(block, src_reg, uop->imm_data);
        }
        else if (REG_IS_W(src_size))
        {
		host_arm64_AND_IMM(block, REG_TEMP, src_reg, 0xffff);
                host_arm64_CMP_IMM(block, REG_TEMP, uop->imm_data);
        }
        else
                fatal("CMP_IMM_JZ_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BEQ_(block);

        return 0;
}

static int codegen_CMP_JNB_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
        {
		host_arm64_CMP_REG(block, src_reg_a, src_reg_b);
        }
        else if (REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 16);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 16);
        }
        else if (REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 24);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 24);
        }
        else
                fatal("CMP_JNB_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BCS_(block);

        return 0;
}
static int codegen_CMP_JNBE_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
        {
		host_arm64_CMP_REG(block, src_reg_a, src_reg_b);
        }
        else if (REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 16);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 16);
        }
        else if (REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 24);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 24);
        }
        else
                fatal("CMP_JNBE_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BHI_(block);

        return 0;
}
static int codegen_CMP_JNL_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
        {
		host_arm64_CMP_REG(block, src_reg_a, src_reg_b);
        }
        else if (REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 16);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 16);
        }
        else if (REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 24);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 24);
        }
        else
                fatal("CMP_JNL_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BGE_(block);

        return 0;
}
static int codegen_CMP_JNLE_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
        {
		host_arm64_CMP_REG(block, src_reg_a, src_reg_b);
        }
        else if (REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 16);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 16);
        }
        else if (REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 24);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 24);
        }
        else
                fatal("CMP_JNLE_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BGT_(block);

        return 0;
}
static int codegen_CMP_JNO_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
        {
		host_arm64_CMP_REG(block, src_reg_a, src_reg_b);
        }
        else if (REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 16);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 16);
        }
        else if (REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 24);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 24);
        }
        else
                fatal("CMP_JNO_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BVC_(block);

        return 0;
}
static int codegen_CMP_JNZ_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
        {
		host_arm64_CMP_REG(block, src_reg_a, src_reg_b);
        }
        else if (REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 16);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 16);
        }
        else if (REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 24);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 24);
        }
        else
                fatal("CMP_JNZ_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BNE_(block);

        return 0;
}
static int codegen_CMP_JB_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
        {
		host_arm64_CMP_REG(block, src_reg_a, src_reg_b);
        }
        else if (REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 16);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 16);
        }
        else if (REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 24);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 24);
        }
        else
                fatal("CMP_JB_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BCC_(block);

        return 0;
}
static int codegen_CMP_JBE_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
        {
		host_arm64_CMP_REG(block, src_reg_a, src_reg_b);
        }
        else if (REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 16);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 16);
        }
        else if (REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 24);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 24);
        }
        else
                fatal("CMP_JBE_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BLS_(block);

        return 0;
}
static int codegen_CMP_JL_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
        {
		host_arm64_CMP_REG(block, src_reg_a, src_reg_b);
        }
        else if (REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 16);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 16);
        }
        else if (REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 24);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 24);
        }
        else
                fatal("CMP_JL_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BLT_(block);

        return 0;
}
static int codegen_CMP_JLE_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
        {
		host_arm64_CMP_REG(block, src_reg_a, src_reg_b);
        }
        else if (REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 16);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 16);
        }
        else if (REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 24);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 24);
        }
        else
                fatal("CMP_JLE_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BLE_(block);

        return 0;
}
static int codegen_CMP_JO_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
        {
		host_arm64_CMP_REG(block, src_reg_a, src_reg_b);
        }
        else if (REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 16);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 16);
        }
        else if (REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 24);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 24);
        }
        else
                fatal("CMP_JO_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BVS_(block);

        return 0;
}
static int codegen_CMP_JZ_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
        {
		host_arm64_CMP_REG(block, src_reg_a, src_reg_b);
        }
        else if (REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 16);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 16);
        }
        else if (REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg_a, 24);
                host_arm64_CMP_REG_LSL(block, REG_TEMP, src_reg_b, 24);
        }
        else
                fatal("CMP_JZ_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BEQ_(block);

        return 0;
}

static int codegen_FADD(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_D(dest_size) && REG_IS_D(src_size_a) && REG_IS_D(src_size_b))
        {
                host_arm64_FADD_D(block, dest_reg, src_reg_a, src_reg_b);
        }
        else
                fatal("codegen_FADD %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_FDIV(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_D(dest_size) && REG_IS_D(src_size_a) && REG_IS_D(src_size_b))
        {
                host_arm64_FDIV_D(block, dest_reg, src_reg_a, src_reg_b);
        }
        else
                fatal("codegen_FDIV %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_FMUL(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_D(dest_size) && REG_IS_D(src_size_a) && REG_IS_D(src_size_b))
        {
                host_arm64_FMUL_D(block, dest_reg, src_reg_a, src_reg_b);
        }
        else
                fatal("codegen_FMUL %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_FSUB(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_D(dest_size) && REG_IS_D(src_size_a) && REG_IS_D(src_size_b))
        {
                host_arm64_FSUB_D(block, dest_reg, src_reg_a, src_reg_b);
        }
        else
                fatal("codegen_FSUB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}

static int codegen_FP_ENTER(codeblock_t *block, uop_t *uop)
{
        uint32_t *branch_ptr;

	if (!in_range12_w((uintptr_t)&cr0 - (uintptr_t)&cpu_state))
		fatal("codegen_FP_ENTER - out of range\n");

        host_arm64_LDR_IMM_W(block, REG_TEMP, REG_CPUSTATE, (uintptr_t)&cr0 - (uintptr_t)&cpu_state);
        host_arm64_TST_IMM(block, REG_TEMP, 0xc);
        branch_ptr = host_arm64_BEQ_(block);

	host_arm64_mov_imm(block, REG_TEMP, uop->imm_data);
	host_arm64_STR_IMM_W(block, REG_TEMP, REG_CPUSTATE, (uintptr_t)&cpu_state.oldpc - (uintptr_t)&cpu_state);
        host_arm64_mov_imm(block, REG_ARG0, 7);
	host_arm64_call(block, x86_int);
        host_arm64_B(block, &block->data[BLOCK_EXIT_OFFSET]);

	host_arm64_branch_set_offset(branch_ptr, &block->data[block_pos]);

        return 0;
}

static int codegen_JMP(codeblock_t *block, uop_t *uop)
{
        host_arm64_jump(block, (uintptr_t)uop->p);

        return 0;
}

static int codegen_LOAD_FUNC_ARG0(codeblock_t *block, uop_t *uop)
{
        int src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_W(src_size))
        {
		host_arm64_AND_IMM(block, REG_ARG0, src_reg, 0xffff);
        }
        else
                fatal("codegen_LOAD_FUNC_ARG0 %02x\n", uop->src_reg_a_real);

        return 0;
}
static int codegen_LOAD_FUNC_ARG1(codeblock_t *block, uop_t *uop)
{
        fatal("codegen_LOAD_FUNC_ARG1 %02x\n", uop->src_reg_a_real);
        return 0;
}
static int codegen_LOAD_FUNC_ARG2(codeblock_t *block, uop_t *uop)
{
        fatal("codegen_LOAD_FUNC_ARG2 %02x\n", uop->src_reg_a_real);
        return 0;
}
static int codegen_LOAD_FUNC_ARG3(codeblock_t *block, uop_t *uop)
{
        fatal("codegen_LOAD_FUNC_ARG3 %02x\n", uop->src_reg_a_real);
        return 0;
}

static int codegen_LOAD_FUNC_ARG0_IMM(codeblock_t *block, uop_t *uop)
{
	host_arm64_mov_imm(block, REG_ARG0, uop->imm_data);

        return 0;
}
static int codegen_LOAD_FUNC_ARG1_IMM(codeblock_t *block, uop_t *uop)
{
	host_arm64_mov_imm(block, REG_ARG1, uop->imm_data);

        return 0;
}
static int codegen_LOAD_FUNC_ARG2_IMM(codeblock_t *block, uop_t *uop)
{
	host_arm64_mov_imm(block, REG_ARG2, uop->imm_data);

        return 0;
}
static int codegen_LOAD_FUNC_ARG3_IMM(codeblock_t *block, uop_t *uop)
{
	host_arm64_mov_imm(block, REG_ARG3, uop->imm_data);

        return 0;
}

static int codegen_LOAD_SEG(codeblock_t *block, uop_t *uop)
{
        int src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int src_size = IREG_GET_SIZE(uop->src_reg_a_real);
	int offset = add_literal_q(block, (uintptr_t)uop->p);

        if (!REG_IS_W(src_size))
                fatal("LOAD_SEG %02x %p\n", uop->src_reg_a_real, uop->p);

	host_arm64_LDR_LITERAL_X(block, REG_ARG1, offset);
	host_arm64_AND_IMM(block, REG_ARG0, src_reg, 0xffff);
	host_arm64_call(block, (void *)loadseg);
	host_arm64_CBNZ(block, REG_X0, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);

        return 0;
}

static int codegen_MEM_LOAD_ABS(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), seg_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real);

	host_arm64_ADD_IMM(block, REG_X0, seg_reg, uop->imm_data);
        if (REG_IS_B(dest_size) || REG_IS_BH(dest_size))
        {
                host_arm64_call(block, codegen_mem_load_byte);
        }
        else if (REG_IS_W(dest_size))
        {
                host_arm64_call(block, codegen_mem_load_word);
        }
        else if (REG_IS_L(dest_size))
        {
                host_arm64_call(block, codegen_mem_load_long);
        }
        else
                fatal("MEM_LOAD_ABS - %02x\n", uop->dest_reg_a_real);
	host_arm64_CBNZ(block, REG_X1, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);
        if (REG_IS_B(dest_size))
        {
		host_arm64_BFI(block, dest_reg, REG_X0, 0, 8);
        }
	else if (REG_IS_BH(dest_size))
        {
		host_arm64_BFI(block, dest_reg, REG_X0, 8, 8);
        }
        else if (REG_IS_W(dest_size))
        {
		host_arm64_BFI(block, dest_reg, REG_X0, 0, 16);
        }
        else if (REG_IS_L(dest_size))
        {
                host_arm64_MOV_REG(block, dest_reg, REG_X0, 0);
        }

        return 0;
}
static int codegen_MEM_LOAD_REG(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), seg_reg = HOST_REG_GET(uop->src_reg_a_real), addr_reg = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real);

	host_arm64_ADD_REG(block, REG_X0, seg_reg, addr_reg, 0);
        if (uop->imm_data)
                host_arm64_ADD_IMM(block, REG_X0, REG_X0, uop->imm_data);
        if (REG_IS_B(dest_size) || REG_IS_BH(dest_size))
        {
                host_arm64_call(block, codegen_mem_load_byte);
        }
        else if (REG_IS_W(dest_size))
        {
                host_arm64_call(block, codegen_mem_load_word);
        }
        else if (REG_IS_L(dest_size))
        {
                host_arm64_call(block, codegen_mem_load_long);
        }
        else
                fatal("MEM_LOAD_ABS - %02x\n", uop->dest_reg_a_real);
	host_arm64_CBNZ(block, REG_X1, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);
        if (REG_IS_B(dest_size))
        {
		host_arm64_BFI(block, dest_reg, REG_X0, 0, 8);
        }
	else if (REG_IS_BH(dest_size))
        {
		host_arm64_BFI(block, dest_reg, REG_X0, 8, 8);
        }
        else if (REG_IS_W(dest_size))
        {
		host_arm64_BFI(block, dest_reg, REG_X0, 0, 16);
        }
        else if (REG_IS_L(dest_size))
        {
                host_arm64_MOV_REG(block, dest_reg, REG_X0, 0);
        }

        return 0;
}
static int codegen_MEM_LOAD_DOUBLE(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), seg_reg = HOST_REG_GET(uop->src_reg_a_real), addr_reg = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real);

	if (!REG_IS_D(dest_size))
                fatal("MEM_LOAD_DOUBLE - %02x\n", uop->dest_reg_a_real);

	host_arm64_ADD_REG(block, REG_X0, seg_reg, addr_reg, 0);
        if (uop->imm_data)
                host_arm64_ADD_IMM(block, REG_X0, REG_X0, uop->imm_data);
        host_arm64_call(block, codegen_mem_load_double);
	host_arm64_CBNZ(block, REG_X1, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);
	host_arm64_FMOV_D_D(block, dest_reg, REG_V_TEMP);

        return 0;
}
static int codegen_MEM_LOAD_SINGLE(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), seg_reg = HOST_REG_GET(uop->src_reg_a_real), addr_reg = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real);

	if (!REG_IS_D(dest_size))
                fatal("MEM_LOAD_DOUBLE - %02x\n", uop->dest_reg_a_real);

	host_arm64_ADD_REG(block, REG_X0, seg_reg, addr_reg, 0);
        if (uop->imm_data)
                host_arm64_ADD_IMM(block, REG_X0, REG_X0, uop->imm_data);
        host_arm64_call(block, codegen_mem_load_single);
	host_arm64_CBNZ(block, REG_X1, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);
	host_arm64_FCVT_D_S(block, dest_reg, REG_V_TEMP);

        return 0;
}

static int codegen_MEM_STORE_ABS(codeblock_t *block, uop_t *uop)
{
        int seg_reg = HOST_REG_GET(uop->src_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_b_real);
        int src_size = IREG_GET_SIZE(uop->src_reg_b_real);

	host_arm64_ADD_IMM(block, REG_W0, seg_reg, uop->imm_data);
        if (REG_IS_B(src_size))
        {
		host_arm64_AND_IMM(block, REG_W1, src_reg, 0xff);
                host_arm64_call(block, codegen_mem_store_byte);
        }
	else if (REG_IS_BH(src_size))
	{
		host_arm64_UBFX(block, REG_W1, src_reg, 8, 8);
                host_arm64_call(block, codegen_mem_store_byte);
	}
        else if (REG_IS_W(src_size))
        {
		host_arm64_AND_IMM(block, REG_W1, src_reg, 0xffff);
                host_arm64_call(block, codegen_mem_store_word);
        }
        else if (REG_IS_L(src_size))
        {
		host_arm64_MOV_REG(block, REG_W1, src_reg, 0);
                host_arm64_call(block, codegen_mem_store_long);
        }
        else
                fatal("MEM_STORE_ABS - %02x\n", uop->dest_reg_a_real);
	host_arm64_CBNZ(block, REG_X1, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);

        return 0;
}
static int codegen_MEM_STORE_REG(codeblock_t *block, uop_t *uop)
{
        int seg_reg = HOST_REG_GET(uop->src_reg_a_real), addr_reg = HOST_REG_GET(uop->src_reg_b_real), src_reg = HOST_REG_GET(uop->src_reg_c_real);
        int src_size = IREG_GET_SIZE(uop->src_reg_c_real);

	host_arm64_ADD_REG(block, REG_W0, seg_reg, addr_reg, 0);
        if (uop->imm_data)
                host_arm64_ADD_IMM(block, REG_X0, REG_X0, uop->imm_data);
        if (REG_IS_B(src_size))
        {
		host_arm64_AND_IMM(block, REG_W1, src_reg, 0xff);
                host_arm64_call(block, codegen_mem_store_byte);
        }
	else if (REG_IS_BH(src_size))
	{
		host_arm64_UBFX(block, REG_W1, src_reg, 8, 8);
                host_arm64_call(block, codegen_mem_store_byte);
	}
        else if (REG_IS_W(src_size))
        {
		host_arm64_AND_IMM(block, REG_W1, src_reg, 0xffff);
                host_arm64_call(block, codegen_mem_store_word);
        }
        else if (REG_IS_L(src_size))
        {
		host_arm64_MOV_REG(block, REG_W1, src_reg, 0);
                host_arm64_call(block, codegen_mem_store_long);
        }
        else
                fatal("MEM_STORE_REG - %02x\n", uop->dest_reg_a_real);
	host_arm64_CBNZ(block, REG_X1, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);

        return 0;
}

static int codegen_MEM_STORE_IMM_8(codeblock_t *block, uop_t *uop)
{
        int seg_reg = HOST_REG_GET(uop->src_reg_a_real), addr_reg = HOST_REG_GET(uop->src_reg_b_real);

	host_arm64_ADD_REG(block, REG_W0, seg_reg, addr_reg, 0);
	host_arm64_mov_imm(block, REG_W1, uop->imm_data);
        host_arm64_call(block, codegen_mem_store_byte);
	host_arm64_CBNZ(block, REG_X1, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);

        return 0;
}
static int codegen_MEM_STORE_IMM_16(codeblock_t *block, uop_t *uop)
{
        int seg_reg = HOST_REG_GET(uop->src_reg_a_real), addr_reg = HOST_REG_GET(uop->src_reg_b_real);

	host_arm64_ADD_REG(block, REG_W0, seg_reg, addr_reg, 0);
	host_arm64_mov_imm(block, REG_W1, uop->imm_data);
        host_arm64_call(block, codegen_mem_store_word);
	host_arm64_CBNZ(block, REG_X1, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);

        return 0;
}
static int codegen_MEM_STORE_IMM_32(codeblock_t *block, uop_t *uop)
{
        int seg_reg = HOST_REG_GET(uop->src_reg_a_real), addr_reg = HOST_REG_GET(uop->src_reg_b_real);

	host_arm64_ADD_REG(block, REG_W0, seg_reg, addr_reg, 0);
	host_arm64_mov_imm(block, REG_W1, uop->imm_data);
        host_arm64_call(block, codegen_mem_store_long);
	host_arm64_CBNZ(block, REG_X1, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);

        return 0;
}

static int codegen_MEM_STORE_SINGLE(codeblock_t *block, uop_t *uop)
{
        int seg_reg = HOST_REG_GET(uop->src_reg_a_real), addr_reg = HOST_REG_GET(uop->src_reg_b_real), src_reg = HOST_REG_GET(uop->src_reg_c_real);
        int src_size = IREG_GET_SIZE(uop->src_reg_c_real);

	if (!REG_IS_D(src_size))
                fatal("MEM_STORE_REG - %02x\n", uop->dest_reg_a_real);

	host_arm64_ADD_REG(block, REG_W0, seg_reg, addr_reg, 0);
        if (uop->imm_data)
                host_arm64_ADD_IMM(block, REG_X0, REG_X0, uop->imm_data);
	host_arm64_FCVT_S_D(block, REG_V_TEMP, src_reg);
        host_arm64_call(block, codegen_mem_store_single);
	host_arm64_CBNZ(block, REG_X1, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);

        return 0;
}
static int codegen_MEM_STORE_DOUBLE(codeblock_t *block, uop_t *uop)
{
        int seg_reg = HOST_REG_GET(uop->src_reg_a_real), addr_reg = HOST_REG_GET(uop->src_reg_b_real), src_reg = HOST_REG_GET(uop->src_reg_c_real);
        int src_size = IREG_GET_SIZE(uop->src_reg_c_real);

	if (!REG_IS_D(src_size))
                fatal("MEM_STORE_REG - %02x\n", uop->dest_reg_a_real);

	host_arm64_ADD_REG(block, REG_W0, seg_reg, addr_reg, 0);
        if (uop->imm_data)
                host_arm64_ADD_IMM(block, REG_X0, REG_X0, uop->imm_data);
	host_arm64_FMOV_D_D(block, REG_V_TEMP, src_reg);
        host_arm64_call(block, codegen_mem_store_double);
	host_arm64_CBNZ(block, REG_X1, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);

        return 0;
}

static int codegen_MOV(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

	if (REG_IS_L(dest_size) && REG_IS_L(src_size))
	{
		host_arm64_MOV_REG(block, dest_reg, src_reg, 0);
	}
	else if (REG_IS_W(dest_size) && REG_IS_W(src_size))
	{
		host_arm64_BFI(block, dest_reg, src_reg, 0, 16);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size))
	{
		host_arm64_BFI(block, dest_reg, src_reg, 0, 8);
	}
	else if (REG_IS_B(dest_size) && REG_IS_BH(src_size))
	{
		host_arm64_MOV_REG_LSR(block, REG_TEMP, src_reg, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_B(src_size))
	{
		host_arm64_BFI(block, dest_reg, src_reg, 8, 8);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size))
	{
		host_arm64_MOV_REG_LSR(block, REG_TEMP, src_reg, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
	}
	else
		fatal("MOV %x %x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_MOV_IMM(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real);

	if (REG_IS_L(dest_size))
	{
		host_arm64_mov_imm(block, dest_reg, uop->imm_data);
	}
	else if (REG_IS_W(dest_size))
	{
		host_arm64_MOVK_IMM(block, dest_reg, uop->imm_data);
	}
	else if (REG_IS_B(dest_size))
	{
		host_arm64_MOVZ_IMM(block, REG_TEMP, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_BH(dest_size))
	{
		host_arm64_MOVZ_IMM(block, REG_TEMP, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
	}
	else
		fatal("MOV_IMM %x\n", uop->dest_reg_a_real);

        return 0;
}
static int codegen_MOV_PTR(codeblock_t *block, uop_t *uop)
{
	int offset = add_literal_q(block, (uintptr_t)uop->p);
	host_arm64_LDR_LITERAL_X(block, uop->dest_reg_a_real, offset);

        return 0;
}

static int codegen_MOVSX(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

	if (REG_IS_L(dest_size) && REG_IS_B(src_size))
	{
		host_arm64_SBFX(block, dest_reg, src_reg, 0, 8);
	}
	else if (REG_IS_L(dest_size) && REG_IS_BH(src_size))
	{
		host_arm64_SBFX(block, dest_reg, src_reg, 8, 8);
	}
	else if (REG_IS_L(dest_size) && REG_IS_W(src_size))
	{
		host_arm64_SBFX(block, dest_reg, src_reg, 0, 16);
	}
	else if (REG_IS_W(dest_size) && REG_IS_B(src_size))
	{
		host_arm64_SBFX(block, REG_TEMP, src_reg, 0, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
	}
	else if (REG_IS_W(dest_size) && REG_IS_BH(src_size))
	{
		host_arm64_SBFX(block, REG_TEMP, src_reg, 8, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
	}
	else
		fatal("MOVSX %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_MOVZX(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

	if (REG_IS_L(dest_size) && REG_IS_B(src_size))
	{
		host_arm64_AND_IMM(block, dest_reg, src_reg, 0xff);
	}
	else if (REG_IS_L(dest_size) && REG_IS_BH(src_size))
	{
		host_arm64_UBFX(block, dest_reg, src_reg, 8, 8);
	}
	else if (REG_IS_L(dest_size) && REG_IS_W(src_size))
	{
		host_arm64_AND_IMM(block, dest_reg, src_reg, 0xffff);
	}
	else if (REG_IS_W(dest_size) && REG_IS_B(src_size))
	{
		host_arm64_AND_IMM(block, REG_TEMP, src_reg, 0xff);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
	}
	else if (REG_IS_W(dest_size) && REG_IS_BH(src_size))
	{
		host_arm64_UBFX(block, REG_TEMP, src_reg, 8, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
	}
	else
		fatal("MOVZX %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}

static int codegen_MOV_DOUBLE_INT(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_D(dest_size) && REG_IS_L(src_size))
        {
                host_arm64_SCVTF_D_W(block, dest_reg, src_reg);
        }
        else if (REG_IS_D(dest_size) && REG_IS_W(src_size))
        {
		host_arm64_SBFX(block, REG_TEMP, src_reg, 0, 16);
                host_arm64_SCVTF_D_W(block, dest_reg, REG_TEMP);
        }
        else
                fatal("MOV_DOUBLE_INT %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}

static int codegen_OR(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

	if (REG_IS_L(dest_size) && REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
	{
		host_arm64_ORR_REG(block, dest_reg, src_reg_a, src_reg_b, 0);
	}
	else if (REG_IS_W(dest_size) && REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
	{
		host_arm64_ORR_REG(block, REG_TEMP, src_reg_a, src_reg_b, 0);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_B(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_AND_IMM(block, REG_TEMP, src_reg_b, 0xff);
		host_arm64_ORR_REG(block, dest_reg, src_reg_a, REG_TEMP, 0);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_BH(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_UBFX(block, REG_TEMP, src_reg_b, 8, 8);
		host_arm64_ORR_REG(block, dest_reg, src_reg_a, REG_TEMP, 0);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size_a) && REG_IS_B(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_AND_IMM(block, REG_TEMP, src_reg_b, 0xff);
		host_arm64_ORR_REG(block, dest_reg, src_reg_a, REG_TEMP, 8);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size_a) && REG_IS_BH(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_UBFX(block, REG_TEMP, src_reg_b, 8, 8);
		host_arm64_ORR_REG(block, dest_reg, src_reg_a, REG_TEMP, 8);
	}
	else
		fatal("OR %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_OR_IMM(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

	if (REG_IS_L(dest_size) && REG_IS_L(src_size))
	{
		host_arm64_ORR_IMM(block, dest_reg, src_reg, uop->imm_data);
	}
	else if (REG_IS_W(dest_size) && REG_IS_W(src_size) && dest_reg == src_reg)
	{
		host_arm64_ORR_IMM(block, dest_reg, src_reg, uop->imm_data);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size) && dest_reg == src_reg)
	{
		host_arm64_ORR_IMM(block, dest_reg, src_reg, uop->imm_data);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size) && dest_reg == src_reg)
	{
		host_arm64_ORR_IMM(block, dest_reg, src_reg, uop->imm_data << 8);
	}
	else
		fatal("OR_IMM %x %x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}

static int codegen_SAR(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real), shift_reg = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_L(dest_size) && REG_IS_L(src_size))
        {
                host_arm64_ASR(block, dest_reg, src_reg, shift_reg);
        }
        else if (REG_IS_W(dest_size) && REG_IS_W(src_size))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg, 16);
                host_arm64_ASR(block, REG_TEMP, REG_TEMP, shift_reg);
		host_arm64_UBFX(block, REG_TEMP, REG_TEMP, 16, 16);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
        }
        else if (REG_IS_B(dest_size) && REG_IS_B(src_size))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg, 24);
                host_arm64_ASR(block, REG_TEMP, REG_TEMP, shift_reg);
		host_arm64_UBFX(block, REG_TEMP, REG_TEMP, 24, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
        }
        else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg, 16);
                host_arm64_ASR(block, REG_TEMP, REG_TEMP, shift_reg);
		host_arm64_UBFX(block, REG_TEMP, REG_TEMP, 24, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
        }
        else
                fatal("SAR %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_SAR_IMM(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_L(dest_size) && REG_IS_L(src_size))
        {
                host_arm64_MOV_REG_ASR(block, dest_reg, src_reg, uop->imm_data);
        }
        else if (REG_IS_W(dest_size) && REG_IS_W(src_size))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg, 16);
                host_arm64_MOV_REG_ASR(block, REG_TEMP, REG_TEMP, uop->imm_data);
		host_arm64_UBFX(block, REG_TEMP, REG_TEMP, 16, 16);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
        }
        else if (REG_IS_B(dest_size) && REG_IS_B(src_size))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg, 24);
                host_arm64_MOV_REG_ASR(block, REG_TEMP, REG_TEMP, uop->imm_data);
		host_arm64_UBFX(block, REG_TEMP, REG_TEMP, 24, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
        }
        else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size))
        {
		host_arm64_MOV_REG(block, REG_TEMP, src_reg, 16);
                host_arm64_MOV_REG_ASR(block, REG_TEMP, REG_TEMP, uop->imm_data);
		host_arm64_UBFX(block, REG_TEMP, REG_TEMP, 24, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
        }
        else
                fatal("SAR_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_SHL(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real), shift_reg = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_L(dest_size) && REG_IS_L(src_size))
        {
                host_arm64_LSL(block, dest_reg, src_reg, shift_reg);
        }
        else if (REG_IS_W(dest_size) && REG_IS_W(src_size))
        {
                host_arm64_LSL(block, REG_TEMP, src_reg, shift_reg);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
        }
        else if (REG_IS_B(dest_size) && REG_IS_B(src_size))
        {
                host_arm64_LSL(block, REG_TEMP, src_reg, shift_reg);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
        }
        else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size))
        {
		host_arm64_UBFX(block, REG_TEMP, src_reg, 8, 8);
                host_arm64_LSL(block, REG_TEMP, REG_TEMP, shift_reg);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
        }
        else
                fatal("SHL %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_SHL_IMM(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_L(dest_size) && REG_IS_L(src_size))
        {
                host_arm64_MOV_REG(block, dest_reg, src_reg, uop->imm_data);
        }
        else if (REG_IS_W(dest_size) && REG_IS_W(src_size))
        {
                host_arm64_MOV_REG(block, REG_TEMP, src_reg, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
        }
        else if (REG_IS_B(dest_size) && REG_IS_B(src_size))
        {
                host_arm64_MOV_REG(block, REG_TEMP, src_reg, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
        }
        else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size))
        {
		host_arm64_UBFX(block, REG_TEMP, src_reg, 8, 8);
                host_arm64_MOV_REG(block, REG_TEMP, REG_TEMP, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
        }
        else
                fatal("SHL_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_SHR(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real), shift_reg = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_L(dest_size) && REG_IS_L(src_size))
        {
                host_arm64_LSR(block, dest_reg, src_reg, shift_reg);
        }
        else if (REG_IS_W(dest_size) && REG_IS_W(src_size))
        {
		host_arm64_AND_IMM(block, REG_TEMP, src_reg, 0xffff);
		host_arm64_LSR(block, REG_TEMP, REG_TEMP, shift_reg);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
        }
        else if (REG_IS_B(dest_size) && REG_IS_B(src_size))
        {
		host_arm64_AND_IMM(block, REG_TEMP, src_reg, 0xff);
		host_arm64_LSR(block, REG_TEMP, REG_TEMP, shift_reg);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
        }
        else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size))
        {
		host_arm64_UBFX(block, REG_TEMP, src_reg, 8, 8);
		host_arm64_LSR(block, REG_TEMP, REG_TEMP, shift_reg);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
        }
        else
                fatal("SHR %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_SHR_IMM(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_L(dest_size) && REG_IS_L(src_size))
        {
                host_arm64_MOV_REG_LSR(block, dest_reg, src_reg, uop->imm_data);
        }
        else if (REG_IS_W(dest_size) && REG_IS_W(src_size))
        {
		host_arm64_AND_IMM(block, REG_TEMP, src_reg, 0xffff);
		host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
        }
        else if (REG_IS_B(dest_size) && REG_IS_B(src_size))
        {
		host_arm64_AND_IMM(block, REG_TEMP, src_reg, 0xff);
		host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
        }
        else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size))
        {
		host_arm64_UBFX(block, REG_TEMP, src_reg, 8, 8);
		host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
        }
        else
                fatal("SHR_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}

static int codegen_STORE_PTR_IMM(codeblock_t *block, uop_t *uop)
{
	host_arm64_mov_imm(block, REG_W16, uop->imm_data);

	if (in_range12_w((uintptr_t)uop->p - (uintptr_t)&cpu_state))
		host_arm64_STR_IMM_W(block, REG_W16, REG_CPUSTATE, (uintptr_t)uop->p - (uintptr_t)&cpu_state);
	else
		fatal("codegen_STORE_PTR_IMM - not in range\n");

        return 0;
}
static int codegen_STORE_PTR_IMM_8(codeblock_t *block, uop_t *uop)
{
	host_arm64_mov_imm(block, REG_W16, uop->imm_data);

	if (in_range12_b((uintptr_t)uop->p - (uintptr_t)&cpu_state))
		host_arm64_STRB_IMM(block, REG_W16, REG_CPUSTATE, (uintptr_t)uop->p - (uintptr_t)&cpu_state);
	else
		fatal("codegen_STORE_PTR_IMM - not in range\n");

        return 0;
}

static int codegen_SUB(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

	if (REG_IS_L(dest_size) && REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
	{
		host_arm64_SUB_REG(block, dest_reg, src_reg_a, src_reg_b, 0);
	}
	else if (REG_IS_W(dest_size) && REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
	{
		host_arm64_SUB_REG(block, REG_TEMP, src_reg_a, src_reg_b, 0);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
	{
		host_arm64_SUB_REG(block, REG_TEMP, src_reg_a, src_reg_b, 0);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_BH(src_size_b))
	{
		host_arm64_SUB_REG_LSR(block, REG_TEMP, src_reg_a, src_reg_b, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_B(dest_size) && REG_IS_BH(src_size_a) && REG_IS_B(src_size_b))
	{
		host_arm64_SUB_REG(block, REG_TEMP, src_reg_a, src_reg_b, 8);
		host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_B(dest_size) && REG_IS_BH(src_size_a) && REG_IS_BH(src_size_b))
	{
		host_arm64_MOV_REG_LSR(block, REG_TEMP, src_reg_a, 8);
		host_arm64_SUB_REG_LSR(block, REG_TEMP, REG_TEMP, src_reg_b, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size_a) && REG_IS_B(src_size_b))
	{
		host_arm64_SUB_REG(block, REG_TEMP, src_reg_a, src_reg_b, 8);
		host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size_a) && REG_IS_BH(src_size_b))
	{
		host_arm64_MOV_REG_LSR(block, REG_TEMP, src_reg_a, 8);
		host_arm64_SUB_REG_LSR(block, REG_TEMP, REG_TEMP, src_reg_b, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
	}
	else
		fatal("SUB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_SUB_IMM(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

	if (REG_IS_L(dest_size) && REG_IS_L(src_size))
	{
		host_arm64_SUB_IMM(block, dest_reg, src_reg, uop->imm_data);
	}
	else if (REG_IS_W(dest_size) && REG_IS_W(src_size))
	{
		host_arm64_SUB_IMM(block, REG_TEMP, src_reg, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size))
	{
		host_arm64_SUB_IMM(block, REG_TEMP, src_reg, uop->imm_data);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_B(dest_size) && REG_IS_BH(src_size))
	{
		host_arm64_SUB_IMM(block, REG_TEMP, src_reg, uop->imm_data << 8);
		host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size))
	{
		host_arm64_SUB_IMM(block, REG_TEMP, src_reg, uop->imm_data << 8);
		host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, 8);
		host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
	}
	else
		fatal("SUB_IMM %x %x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}

static int codegen_TEST_JNS_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_L(src_size))
        {
                host_arm64_TST_IMM(block, src_reg, 1 << 31);
        }
        else if (REG_IS_W(src_size))
        {
		host_arm64_TST_IMM(block, src_reg, 1 << 15);
        }
        else if (REG_IS_B(src_size))
        {
		host_arm64_TST_IMM(block, src_reg, 1 << 7);
        }
        else
                fatal("TEST_JNS_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BEQ_(block);

        return 0;
}
static int codegen_TEST_JS_DEST(codeblock_t *block, uop_t *uop)
{
        int src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int src_size = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_L(src_size))
        {
                host_arm64_TST_IMM(block, src_reg, 1 << 31);
        }
        else if (REG_IS_W(src_size))
        {
		host_arm64_TST_IMM(block, src_reg, 1 << 15);
        }
        else if (REG_IS_B(src_size))
        {
		host_arm64_TST_IMM(block, src_reg, 1 << 7);
        }
        else
                fatal("TEST_JS_DEST %02x\n", uop->src_reg_a_real);

        uop->p = host_arm64_BNE_(block);

        return 0;
}

static int codegen_XOR(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);

	if (REG_IS_L(dest_size) && REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
	{
		host_arm64_EOR_REG(block, dest_reg, src_reg_a, src_reg_b, 0);
	}
	else if (REG_IS_W(dest_size) && REG_IS_W(src_size_a) && REG_IS_W(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_AND_IMM(block, REG_TEMP, src_reg_b, 0xffff);
		host_arm64_EOR_REG(block, dest_reg, src_reg_a, REG_TEMP, 0);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_B(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_AND_IMM(block, REG_TEMP, src_reg_b, 0xff);
		host_arm64_EOR_REG(block, dest_reg, src_reg_a, REG_TEMP, 0);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_BH(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_UBFX(block, REG_TEMP, src_reg_b, 8, 8);
		host_arm64_EOR_REG(block, dest_reg, src_reg_a, REG_TEMP, 0);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size_a) && REG_IS_B(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_AND_IMM(block, REG_TEMP, src_reg_b, 0xff);
		host_arm64_EOR_REG(block, dest_reg, src_reg_a, REG_TEMP, 8);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size_a) && REG_IS_BH(src_size_b) && dest_reg == src_reg_a)
	{
		host_arm64_UBFX(block, REG_TEMP, src_reg_b, 8, 8);
		host_arm64_EOR_REG(block, dest_reg, src_reg_a, REG_TEMP, 8);
	}
	else
		fatal("XOR %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_XOR_IMM(codeblock_t *block, uop_t *uop)
{
        int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);

	if (REG_IS_L(dest_size) && REG_IS_L(src_size))
	{
		host_arm64_EOR_IMM(block, dest_reg, src_reg, uop->imm_data);
	}
	else if (REG_IS_W(dest_size) && REG_IS_W(src_size) && dest_reg == src_reg)
	{
		host_arm64_EOR_IMM(block, dest_reg, src_reg, uop->imm_data);
	}
	else if (REG_IS_B(dest_size) && REG_IS_B(src_size) && dest_reg == src_reg)
	{
		host_arm64_EOR_IMM(block, dest_reg, src_reg, uop->imm_data);
	}
	else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size) && dest_reg == src_reg)
	{
		host_arm64_EOR_IMM(block, dest_reg, src_reg, uop->imm_data << 8);
	}
	else
		fatal("XOR_IMM %x %x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}

const uOpFn uop_handlers[UOP_MAX] =
{
        [UOP_CALL_FUNC & UOP_MASK] = codegen_CALL_FUNC,
        [UOP_CALL_FUNC_RESULT & UOP_MASK] = codegen_CALL_FUNC_RESULT,
        [UOP_CALL_INSTRUCTION_FUNC & UOP_MASK] = codegen_CALL_INSTRUCTION_FUNC,

        [UOP_JMP & UOP_MASK] = codegen_JMP,

        [UOP_LOAD_SEG & UOP_MASK] = codegen_LOAD_SEG,

        [UOP_LOAD_FUNC_ARG_0 & UOP_MASK] = codegen_LOAD_FUNC_ARG0,
        [UOP_LOAD_FUNC_ARG_1 & UOP_MASK] = codegen_LOAD_FUNC_ARG1,
        [UOP_LOAD_FUNC_ARG_2 & UOP_MASK] = codegen_LOAD_FUNC_ARG2,
        [UOP_LOAD_FUNC_ARG_3 & UOP_MASK] = codegen_LOAD_FUNC_ARG3,

        [UOP_LOAD_FUNC_ARG_0_IMM & UOP_MASK] = codegen_LOAD_FUNC_ARG0_IMM,
        [UOP_LOAD_FUNC_ARG_1_IMM & UOP_MASK] = codegen_LOAD_FUNC_ARG1_IMM,
        [UOP_LOAD_FUNC_ARG_2_IMM & UOP_MASK] = codegen_LOAD_FUNC_ARG2_IMM,
        [UOP_LOAD_FUNC_ARG_3_IMM & UOP_MASK] = codegen_LOAD_FUNC_ARG3_IMM,

        [UOP_STORE_P_IMM & UOP_MASK] = codegen_STORE_PTR_IMM,
        [UOP_STORE_P_IMM_8 & UOP_MASK] = codegen_STORE_PTR_IMM_8,

        [UOP_MEM_LOAD_ABS & UOP_MASK] = codegen_MEM_LOAD_ABS,
        [UOP_MEM_LOAD_REG & UOP_MASK] = codegen_MEM_LOAD_REG,
        [UOP_MEM_LOAD_SINGLE & UOP_MASK] = codegen_MEM_LOAD_SINGLE,
        [UOP_MEM_LOAD_DOUBLE & UOP_MASK] = codegen_MEM_LOAD_DOUBLE,

        [UOP_MEM_STORE_ABS & UOP_MASK] = codegen_MEM_STORE_ABS,
        [UOP_MEM_STORE_REG & UOP_MASK] = codegen_MEM_STORE_REG,
        [UOP_MEM_STORE_IMM_8 & UOP_MASK] = codegen_MEM_STORE_IMM_8,
        [UOP_MEM_STORE_IMM_16 & UOP_MASK] = codegen_MEM_STORE_IMM_16,
        [UOP_MEM_STORE_IMM_32 & UOP_MASK] = codegen_MEM_STORE_IMM_32,
        [UOP_MEM_STORE_SINGLE & UOP_MASK] = codegen_MEM_STORE_SINGLE,
        [UOP_MEM_STORE_DOUBLE & UOP_MASK] = codegen_MEM_STORE_DOUBLE,

        [UOP_MOV     & UOP_MASK] = codegen_MOV,
        [UOP_MOV_PTR & UOP_MASK] = codegen_MOV_PTR,
        [UOP_MOV_IMM & UOP_MASK] = codegen_MOV_IMM,
        [UOP_MOVSX   & UOP_MASK] = codegen_MOVSX,
        [UOP_MOVZX   & UOP_MASK] = codegen_MOVZX,
        [UOP_MOV_DOUBLE_INT & UOP_MASK] = codegen_MOV_DOUBLE_INT,

        [UOP_ADD     & UOP_MASK] = codegen_ADD,
        [UOP_ADD_IMM & UOP_MASK] = codegen_ADD_IMM,
        [UOP_ADD_LSHIFT & UOP_MASK] = codegen_ADD_LSHIFT,
        [UOP_AND     & UOP_MASK] = codegen_AND,
        [UOP_AND_IMM & UOP_MASK] = codegen_AND_IMM,
        [UOP_OR      & UOP_MASK] = codegen_OR,
        [UOP_OR_IMM  & UOP_MASK] = codegen_OR_IMM,
        [UOP_SUB     & UOP_MASK] = codegen_SUB,
        [UOP_SUB_IMM & UOP_MASK] = codegen_SUB_IMM,
        [UOP_XOR     & UOP_MASK] = codegen_XOR,
        [UOP_XOR_IMM & UOP_MASK] = codegen_XOR_IMM,

        [UOP_SAR     & UOP_MASK] = codegen_SAR,
        [UOP_SAR_IMM & UOP_MASK] = codegen_SAR_IMM,
        [UOP_SHL     & UOP_MASK] = codegen_SHL,
        [UOP_SHL_IMM & UOP_MASK] = codegen_SHL_IMM,
        [UOP_SHR     & UOP_MASK] = codegen_SHR,
        [UOP_SHR_IMM & UOP_MASK] = codegen_SHR_IMM,

        [UOP_CMP_IMM_JZ & UOP_MASK] = codegen_CMP_IMM_JZ,

        [UOP_CMP_JNB_DEST  & UOP_MASK] = codegen_CMP_JNB_DEST,
        [UOP_CMP_JNBE_DEST & UOP_MASK] = codegen_CMP_JNBE_DEST,
        [UOP_CMP_JNL_DEST  & UOP_MASK] = codegen_CMP_JNL_DEST,
        [UOP_CMP_JNLE_DEST & UOP_MASK] = codegen_CMP_JNLE_DEST,
        [UOP_CMP_JNO_DEST  & UOP_MASK] = codegen_CMP_JNO_DEST,
        [UOP_CMP_JNZ_DEST  & UOP_MASK] = codegen_CMP_JNZ_DEST,
        [UOP_CMP_JB_DEST   & UOP_MASK] = codegen_CMP_JB_DEST,
        [UOP_CMP_JBE_DEST  & UOP_MASK] = codegen_CMP_JBE_DEST,
        [UOP_CMP_JL_DEST   & UOP_MASK] = codegen_CMP_JL_DEST,
        [UOP_CMP_JLE_DEST  & UOP_MASK] = codegen_CMP_JLE_DEST,
        [UOP_CMP_JO_DEST   & UOP_MASK] = codegen_CMP_JO_DEST,
        [UOP_CMP_JZ_DEST   & UOP_MASK] = codegen_CMP_JZ_DEST,

        [UOP_CMP_IMM_JNZ_DEST & UOP_MASK] = codegen_CMP_IMM_JNZ_DEST,
        [UOP_CMP_IMM_JZ_DEST  & UOP_MASK] = codegen_CMP_IMM_JZ_DEST,

        [UOP_TEST_JNS_DEST & UOP_MASK] = codegen_TEST_JNS_DEST,
        [UOP_TEST_JS_DEST & UOP_MASK] = codegen_TEST_JS_DEST,

        [UOP_FP_ENTER & UOP_MASK] = codegen_FP_ENTER,

        [UOP_FADD & UOP_MASK] = codegen_FADD,
        [UOP_FDIV & UOP_MASK] = codegen_FDIV,
        [UOP_FMUL & UOP_MASK] = codegen_FMUL,
        [UOP_FSUB & UOP_MASK] = codegen_FSUB
};

void codegen_direct_read_8(codeblock_t *block, int host_reg, void *p)
{
	if (in_range12_b((uintptr_t)p - (uintptr_t)&cpu_state))
		host_arm64_LDRB_IMM_W(block, host_reg, REG_CPUSTATE, (uintptr_t)p - (uintptr_t)&cpu_state);
	else
		fatal("codegen_direct_read_8 - not in range\n");
}
void codegen_direct_read_16(codeblock_t *block, int host_reg, void *p)
{
	if (in_range12_h((uintptr_t)p - (uintptr_t)&cpu_state))
		host_arm64_LDRH_IMM(block, host_reg, REG_CPUSTATE, (uintptr_t)p - (uintptr_t)&cpu_state);
	else
		fatal("codegen_direct_read_16 - not in range\n");
}
void codegen_direct_read_32(codeblock_t *block, int host_reg, void *p)
{
	if (in_range12_w((uintptr_t)p - (uintptr_t)&cpu_state))
		host_arm64_LDR_IMM_W(block, host_reg, REG_CPUSTATE, (uintptr_t)p - (uintptr_t)&cpu_state);
	else
		fatal("codegen_direct_read_32 - not in range\n");
}
void codegen_direct_read_double(codeblock_t *block, int host_reg, void *p)
{
	if (in_range12_q((uintptr_t)p - (uintptr_t)&cpu_state))
		host_arm64_LDR_IMM_F64(block, host_reg, REG_CPUSTATE, (uintptr_t)p - (uintptr_t)&cpu_state);
	else
		fatal("codegen_direct_read_double - not in range\n");
}
void codegen_direct_read_st_double(codeblock_t *block, int host_reg, void *base, int reg_idx)
{
        host_arm64_LDR_IMM_W(block, REG_TEMP, REG_SP, IREG_TOP_diff_stack_offset);
        host_arm64_ADD_IMM(block, REG_TEMP, REG_TEMP, reg_idx);
	host_arm64_ADD_IMM(block, REG_TEMP2, REG_CPUSTATE, (uintptr_t)base - (uintptr_t)&cpu_state);
        host_arm64_AND_IMM(block, REG_TEMP, REG_TEMP, 7);
	host_arm64_LDR_REG_F64_S(block, host_reg, REG_TEMP2, REG_TEMP);
}

void codegen_direct_write_8(codeblock_t *block, void *p, int host_reg)
{
	if (in_range12_b((uintptr_t)p - (uintptr_t)&cpu_state))
		host_arm64_STRB_IMM(block, host_reg, REG_CPUSTATE, (uintptr_t)p - (uintptr_t)&cpu_state);
	else
		fatal("codegen_direct_write_8 - not in range\n");
}
void codegen_direct_write_16(codeblock_t *block, void *p, int host_reg)
{
	if (in_range12_h((uintptr_t)p - (uintptr_t)&cpu_state))
		host_arm64_STRH_IMM(block, host_reg, REG_CPUSTATE, (uintptr_t)p - (uintptr_t)&cpu_state);
	else
		fatal("codegen_direct_write_16 - not in range\n");
}
void codegen_direct_write_32(codeblock_t *block, void *p, int host_reg)
{
	if (in_range12_w((uintptr_t)p - (uintptr_t)&cpu_state))
		host_arm64_STR_IMM_W(block, host_reg, REG_CPUSTATE, (uintptr_t)p - (uintptr_t)&cpu_state);
	else
		fatal("codegen_direct_write_32 - not in range\n");
}
void codegen_direct_write_st_8(codeblock_t *block, void *base, int reg_idx, int host_reg)
{
        host_arm64_LDR_IMM_W(block, REG_TEMP, REG_SP, IREG_TOP_diff_stack_offset);
        host_arm64_ADD_IMM(block, REG_TEMP, REG_TEMP, reg_idx);
	host_arm64_ADD_IMM(block, REG_TEMP2, REG_CPUSTATE, (uintptr_t)base - (uintptr_t)&cpu_state);
        host_arm64_AND_IMM(block, REG_TEMP, REG_TEMP, 7);
	host_arm64_STRB_REG(block, host_reg, REG_TEMP2, REG_TEMP);
}
void codegen_direct_write_double(codeblock_t *block, void *p, int host_reg)
{
	if (in_range12_q((uintptr_t)p - (uintptr_t)&cpu_state))
		host_arm64_STR_IMM_F64(block, host_reg, REG_CPUSTATE, (uintptr_t)p - (uintptr_t)&cpu_state);
	else
		fatal("codegen_direct_write_double - not in range\n");
}
void codegen_direct_write_st_double(codeblock_t *block, void *base, int reg_idx, int host_reg)
{
        host_arm64_LDR_IMM_W(block, REG_TEMP, REG_SP, IREG_TOP_diff_stack_offset);
        host_arm64_ADD_IMM(block, REG_TEMP, REG_TEMP, reg_idx);
	host_arm64_ADD_IMM(block, REG_TEMP2, REG_CPUSTATE, (uintptr_t)base - (uintptr_t)&cpu_state);
        host_arm64_AND_IMM(block, REG_TEMP, REG_TEMP, 7);
	host_arm64_STR_REG_F64_S(block, host_reg, REG_TEMP2, REG_TEMP);
}

void codegen_direct_write_ptr(codeblock_t *block, void *p, int host_reg)
{
	if (in_range12_q((uintptr_t)p - (uintptr_t)&cpu_state))
		host_arm64_STR_IMM_Q(block, host_reg, REG_CPUSTATE, (uintptr_t)p - (uintptr_t)&cpu_state);
	else
		fatal("codegen_direct_write_ptr - not in range\n");
}

void codegen_direct_read_16_stack(codeblock_t *block, int host_reg, int stack_offset)
{
	if (in_range12_h(stack_offset))
		host_arm64_LDRH_IMM(block, host_reg, REG_SP, stack_offset);
	else
		fatal("codegen_direct_read_32_stack - not in range\n");
}
void codegen_direct_read_32_stack(codeblock_t *block, int host_reg, int stack_offset)
{
	if (in_range12_w(stack_offset))
		host_arm64_LDR_IMM_W(block, host_reg, REG_SP, stack_offset);
	else
		fatal("codegen_direct_read_32_stack - not in range\n");
}

void codegen_direct_write_32_stack(codeblock_t *block, int stack_offset, int host_reg)
{
	if (in_range12_w(stack_offset))
		host_arm64_STR_IMM_W(block, host_reg, REG_SP, stack_offset);
	else
		fatal("codegen_direct_write_32_stack - not in range\n");
}

void codegen_set_jump_dest(codeblock_t *block, void *p)
{
	int offset = (uintptr_t)&block->data[block_pos] - (uintptr_t)p;

	*(uint32_t *)p |= OFFSET19(offset);
}
#endif