#ifdef __aarch64__

#include "ibm.h"
#include "x86.h"
#include "x87.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)
#define REG_IS_Q(size) (size == IREG_SIZE_Q)

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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_AND_REG_V(block, dest_reg, src_reg_a, src_reg_b);
        } else 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_ANDN(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_BIC_REG_V(block, dest_reg, src_reg_b, src_reg_a);
        } else
                fatal("ANDN %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_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)codegen_exit_rout);

        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_JB(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);
        uint32_t *jump_p;

        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
                fatal("CMP_JB %02x\n", uop->src_reg_a_real);

        jump_p = host_arm64_BCC_(block);
        host_arm64_branch_set_offset(jump_p, uop->p);

        return 0;
}
static int codegen_CMP_JNBE(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);
        uint32_t *jump_p;

        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
                fatal("CMP_JNBE %02x\n", uop->src_reg_a_real);

        jump_p = host_arm64_BHI_(block);
        host_arm64_branch_set_offset(jump_p, uop->p);

        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_FABS(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);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_D(dest_size) && REG_IS_D(src_size_a)) {
                host_arm64_FABS_D(block, dest_reg, src_reg_a);
        } else
                fatal("codegen_FABS %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_FCHS(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);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_D(dest_size) && REG_IS_D(src_size_a)) {
                host_arm64_FNEG_D(block, dest_reg, src_reg_a);
        } else
                fatal("codegen_FCHS %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_FSQRT(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);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_D(dest_size) && REG_IS_D(src_size_a)) {
                host_arm64_FSQRT_D(block, dest_reg, src_reg_a);
        } else
                fatal("codegen_FSQRT %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_FTST(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);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_W(dest_size) && REG_IS_D(src_size_a)) {
                host_arm64_FSUB_D(block, REG_V_TEMP, REG_V_TEMP, REG_V_TEMP);
                host_arm64_MOVZ_IMM(block, dest_reg, 0);
                host_arm64_FCMP_D(block, src_reg_a, REG_V_TEMP);
                host_arm64_ORR_IMM(block, REG_TEMP, dest_reg, C3);
                host_arm64_ORR_IMM(block, REG_TEMP2, dest_reg, C0);
                host_arm64_CSEL_EQ(block, dest_reg, REG_TEMP, dest_reg);
                host_arm64_ORR_IMM(block, REG_TEMP, dest_reg, C0 | C2 | C3);
                host_arm64_CSEL_CC(block, dest_reg, REG_TEMP2, dest_reg);
                host_arm64_CSEL_VS(block, dest_reg, REG_TEMP, dest_reg);
        } else
                fatal("codegen_FTST %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        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_FCOM(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_W(dest_size) && REG_IS_D(src_size_a) && REG_IS_D(src_size_b)) {
                host_arm64_MOVZ_IMM(block, dest_reg, 0);
                host_arm64_FCMP_D(block, src_reg_a, src_reg_b);
                host_arm64_ORR_IMM(block, REG_TEMP, dest_reg, C3);
                host_arm64_ORR_IMM(block, REG_TEMP2, dest_reg, C0);
                host_arm64_CSEL_EQ(block, dest_reg, REG_TEMP, dest_reg);
                host_arm64_ORR_IMM(block, REG_TEMP, dest_reg, C0 | C2 | C3);
                host_arm64_CSEL_CC(block, dest_reg, REG_TEMP2, dest_reg);
                host_arm64_CSEL_VS(block, dest_reg, REG_TEMP, dest_reg);
        } else
                fatal("codegen_FCOM %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, codegen_exit_rout);

        host_arm64_branch_set_offset(branch_ptr, &block_write_data[block_pos]);

        return 0;
}
static int codegen_MMX_ENTER(codeblock_t *block, uop_t *uop) {
        uint32_t *branch_ptr;

        if (!in_range12_w((uintptr_t)&cr0 - (uintptr_t)&cpu_state))
                fatal("codegen_MMX_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, codegen_exit_rout);

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

        host_arm64_mov_imm(block, REG_TEMP, 0x01010101);
        host_arm64_STR_IMM_W(block, REG_TEMP, REG_CPUSTATE, (uintptr_t)&cpu_state.tag[0] - (uintptr_t)&cpu_state);
        host_arm64_STR_IMM_W(block, REG_TEMP, REG_CPUSTATE, (uintptr_t)&cpu_state.tag[4] - (uintptr_t)&cpu_state);
        host_arm64_STR_IMM_W(block, REG_WZR, REG_CPUSTATE, (uintptr_t)&cpu_state.TOP - (uintptr_t)&cpu_state);
        host_arm64_STRB_IMM(block, REG_WZR, REG_CPUSTATE, (uintptr_t)&cpu_state.ismmx - (uintptr_t)&cpu_state);

        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);

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

        host_arm64_MOVX_IMM(block, REG_ARG1, (uint64_t)uop->p);
        host_arm64_AND_IMM(block, REG_ARG0, src_reg, 0xffff);
        host_arm64_call(block, (void *)loadseg);
        host_arm64_CBNZ(block, REG_X0, (uintptr_t)codegen_exit_rout);

        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)codegen_exit_rout);
        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 if (REG_IS_Q(dest_size)) {
                host_arm64_call(block, codegen_mem_load_quad);
        } else
                fatal("MEM_LOAD_REG - %02x\n", uop->dest_reg_a_real);
        host_arm64_CBNZ(block, REG_X1, (uintptr_t)codegen_exit_rout);
        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);
        } else if (REG_IS_Q(dest_size)) {
                host_arm64_FMOV_D_D(block, dest_reg, REG_V_TEMP);
        }

        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)codegen_exit_rout);
        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)codegen_exit_rout);
        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)codegen_exit_rout);

        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 if (REG_IS_Q(src_size)) {
                host_arm64_FMOV_D_D(block, REG_V_TEMP, src_reg);
                host_arm64_call(block, codegen_mem_store_quad);
        } else
                fatal("MEM_STORE_REG - %02x\n", uop->src_reg_c_real);
        host_arm64_CBNZ(block, REG_X1, (uintptr_t)codegen_exit_rout);

        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)codegen_exit_rout);

        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)codegen_exit_rout);

        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)codegen_exit_rout);

        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)codegen_exit_rout);

        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)codegen_exit_rout);

        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 if (REG_IS_D(dest_size) && REG_IS_D(src_size)) {
                host_arm64_FMOV_D_D(block, dest_reg, src_reg);
        } else if (REG_IS_Q(dest_size) && REG_IS_Q(src_size)) {
                host_arm64_FMOV_D_D(block, dest_reg, src_reg);
        } 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 & 0xffff);
        } else if (REG_IS_B(dest_size)) {
                host_arm64_MOVZ_IMM(block, REG_TEMP, uop->imm_data & 0xff);
                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 & 0xff);
                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) {
        host_arm64_MOVX_IMM(block, uop->dest_reg_a_real, (uint64_t)uop->p);

        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_Q(dest_size) && REG_IS_L(src_size)) {
                host_arm64_FMOV_D_Q(block, dest_reg, src_reg);
        } else if (REG_IS_L(dest_size) && REG_IS_Q(src_size)) {
                host_arm64_FMOV_W_S(block, dest_reg, src_reg);
        } else 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 if (REG_IS_D(dest_size) && REG_IS_Q(src_size)) {
                host_arm64_FMOV_Q_D(block, REG_TEMP, src_reg);
                host_arm64_SCVTF_D_Q(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_MOV_INT_DOUBLE(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_D(src_size)) {
                host_arm64_FMOV_D_D(block, REG_V_TEMP, src_reg);
                host_arm64_call(block, codegen_fp_round);
                host_arm64_MOV_REG(block, dest_reg, REG_TEMP, 0);
        } else if (REG_IS_W(dest_size) && REG_IS_D(src_size)) {
                host_arm64_FMOV_D_D(block, REG_V_TEMP, src_reg);
                host_arm64_call(block, codegen_fp_round);
                host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
        } else
                fatal("MOV_INT_DOUBLE %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_MOV_INT_DOUBLE_64(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),
            src_64_reg = HOST_REG_GET(uop->src_reg_b_real), tag_reg = HOST_REG_GET(uop->src_reg_c_real);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real),
            src_64_size = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_Q(dest_size) && REG_IS_D(src_size) && REG_IS_Q(src_64_size)) {
                uint32_t *branch_offset;

                /*If TAG_UINT64 is set then the source is MM[]. Otherwise it is a double in ST()*/
                host_arm64_FMOV_D_D(block, dest_reg, src_64_reg);
                branch_offset = host_arm64_TBNZ(block, tag_reg, 7);

                host_arm64_FMOV_D_D(block, REG_V_TEMP, src_reg);
                host_arm64_call(block, codegen_fp_round_quad);
                host_arm64_FMOV_D_Q(block, dest_reg, REG_TEMP);

                host_arm64_branch_set_offset(branch_offset, &block_write_data[block_pos]);
        } else
                fatal("MOV_INT_DOUBLE_64 %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_MOV_REG_PTR(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);

        host_arm64_MOVX_IMM(block, REG_TEMP, (uint64_t)uop->p);
        if (REG_IS_L(dest_size)) {
                host_arm64_LDR_IMM_W(block, dest_reg, REG_TEMP, 0);
        } else
                fatal("MOV_REG_PTR %02x\n", uop->dest_reg_a_real);

        return 0;
}
static int codegen_MOVZX_REG_PTR_8(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);

        host_arm64_MOVX_IMM(block, REG_TEMP, (uint64_t)uop->p);
        if (REG_IS_L(dest_size)) {
                host_arm64_LDRB_IMM_W(block, dest_reg, REG_TEMP, 0);
        } else if (REG_IS_W(dest_size)) {
                host_arm64_LDRB_IMM_W(block, REG_TEMP, REG_TEMP, 0);
                host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
        } else if (REG_IS_B(dest_size)) {
                host_arm64_LDRB_IMM_W(block, REG_TEMP, REG_TEMP, 0);
                host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
        } else
                fatal("MOVZX_REG_PTR_8 %02x\n", uop->dest_reg_a_real);

        return 0;
}
static int codegen_MOVZX_REG_PTR_16(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);

        host_arm64_MOVX_IMM(block, REG_TEMP, (uint64_t)uop->p);
        if (REG_IS_L(dest_size)) {
                host_arm64_LDRH_IMM(block, dest_reg, REG_TEMP, 0);
        } else if (REG_IS_W(dest_size)) {
                host_arm64_LDRH_IMM(block, REG_TEMP, REG_TEMP, 0);
                host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
        } else
                fatal("MOVZX_REG_PTR_16 %02x\n", uop->dest_reg_a_real);

        return 0;
}

static int codegen_NOP(codeblock_t *block, uop_t *uop) { 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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_ORR_REG_V(block, dest_reg, src_reg_a, src_reg_b);
        } else 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_PACKSSWB(codeblock_t *block, uop_t *uop) {
        int dest_reg = HOST_REG_GET(uop->dest_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_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_Q(dest_size) && REG_IS_Q(src_size_b) && uop->dest_reg_a_real == uop->src_reg_a_real) {
                host_arm64_SQXTN_V8B_8H(block, REG_V_TEMP, src_reg_b);
                host_arm64_SQXTN_V8B_8H(block, dest_reg, dest_reg);
                host_arm64_ZIP1_V2S(block, dest_reg, dest_reg, REG_V_TEMP);
        } else
                fatal("PACKSSWB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PACKSSDW(codeblock_t *block, uop_t *uop) {
        int dest_reg = HOST_REG_GET(uop->dest_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_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_Q(dest_size) && REG_IS_Q(src_size_b) && uop->dest_reg_a_real == uop->src_reg_a_real) {
                host_arm64_SQXTN_V4H_4S(block, REG_V_TEMP, src_reg_b);
                host_arm64_SQXTN_V4H_4S(block, dest_reg, dest_reg);
                host_arm64_ZIP1_V2S(block, dest_reg, dest_reg, REG_V_TEMP);
        } else
                fatal("PACKSSDW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PACKUSWB(codeblock_t *block, uop_t *uop) {
        int dest_reg = HOST_REG_GET(uop->dest_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_b = IREG_GET_SIZE(uop->src_reg_b_real);

        if (REG_IS_Q(dest_size) && REG_IS_Q(src_size_b) && uop->dest_reg_a_real == uop->src_reg_a_real) {
                host_arm64_UQXTN_V8B_8H(block, REG_V_TEMP, src_reg_b);
                host_arm64_UQXTN_V8B_8H(block, dest_reg, dest_reg);
                host_arm64_ZIP1_V2S(block, dest_reg, dest_reg, REG_V_TEMP);
        } else
                fatal("PACKUSWB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}

static int codegen_PADDB(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_ADD_V8B(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PADDB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PADDW(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_ADD_V4H(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PADDW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PADDD(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_ADD_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PADDD %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PADDSB(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_SQADD_V8B(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PADDSB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PADDSW(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_SQADD_V4H(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PADDSW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PADDUSB(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_UQADD_V8B(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PADDUSB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PADDUSW(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_UQADD_V4H(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PADDUSW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}

static int codegen_PCMPEQB(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_CMEQ_V8B(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PCMPEQB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PCMPEQW(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_CMEQ_V4H(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PCMPEQW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PCMPEQD(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_CMEQ_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PCMPEQD %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PCMPGTB(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_CMGT_V8B(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PCMPGTB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PCMPGTW(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_CMGT_V4H(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PCMPGTW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PCMPGTD(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_CMGT_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PCMPGTD %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}

static int codegen_PF2ID(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);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_Q(dest_size) && REG_IS_Q(src_size_a)) {
                host_arm64_FCVTZS_V2S(block, dest_reg, src_reg_a);
        } else
                fatal("PF2ID %02x %02x\n", uop->dest_reg_a_real);

        return 0;
}
static int codegen_PFADD(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_FADD_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PFADD %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PFCMPEQ(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_FCMEQ_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PFCMPEQ %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PFCMPGE(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_FCMGE_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PFCMPGE %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PFCMPGT(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_FCMGT_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PFCMPGT %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PFMAX(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_FMAX_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PFMAX %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PFMIN(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_FMIN_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PFMIN %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PFMUL(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_FMUL_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PFMUL %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PFRCP(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);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_Q(dest_size) && REG_IS_Q(src_size_a)) {
                /*TODO: This could be improved (use VRECPE/VRECPS)*/
                host_arm64_FMOV_S_ONE(block, REG_V_TEMP);
                host_arm64_FDIV_S(block, dest_reg, REG_V_TEMP, src_reg_a);
                host_arm64_DUP_V2S(block, dest_reg, dest_reg, 0);
        } else
                fatal("PFRCP %02x %02x\n", uop->dest_reg_a_real);

        return 0;
}
static int codegen_PFRSQRT(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);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_Q(dest_size) && REG_IS_Q(src_size_a)) {
                /*TODO: This could be improved (use VRSQRTE/VRSQRTS)*/
                host_arm64_FSQRT_S(block, REG_V_TEMP, src_reg_a);
                host_arm64_FMOV_S_ONE(block, REG_V_TEMP);
                host_arm64_FDIV_S(block, dest_reg, dest_reg, REG_V_TEMP);
                host_arm64_DUP_V2S(block, dest_reg, dest_reg, 0);
        } else
                fatal("PFRSQRT %02x %02x\n", uop->dest_reg_a_real);

        return 0;
}
static int codegen_PFSUB(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_FSUB_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PFSUB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PI2FD(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);
        int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real);

        if (REG_IS_Q(dest_size) && REG_IS_Q(src_size_a)) {
                host_arm64_SCVTF_V2S(block, dest_reg, src_reg_a);
        } else
                fatal("PI2FD %02x %02x\n", uop->dest_reg_a_real);

        return 0;
}

static int codegen_PMADDWD(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_SMULL_V4S_4H(block, REG_V_TEMP, src_reg_a, src_reg_b);
                host_arm64_ADDP_V4S(block, dest_reg, REG_V_TEMP, REG_V_TEMP);
        } else
                fatal("PMULHW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PMULHW(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_SMULL_V4S_4H(block, dest_reg, src_reg_a, src_reg_b);
                host_arm64_SHRN_V4H_4S(block, dest_reg, dest_reg, 16);
        } else
                fatal("PMULHW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PMULLW(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_MUL_V4H(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PMULLW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}

static int codegen_PSLLW_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_Q(dest_size) && REG_IS_Q(src_size)) {
                if (uop->imm_data == 0)
                        host_arm64_FMOV_D_D(block, dest_reg, src_reg);
                else if (uop->imm_data > 15)
                        host_arm64_EOR_REG_V(block, dest_reg, dest_reg, dest_reg);
                else
                        host_arm64_SHL_V4H(block, dest_reg, src_reg, uop->imm_data);
        } else
                fatal("PSLLW_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_PSLLD_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_Q(dest_size) && REG_IS_Q(src_size)) {
                if (uop->imm_data == 0)
                        host_arm64_FMOV_D_D(block, dest_reg, src_reg);
                else if (uop->imm_data > 31)
                        host_arm64_EOR_REG_V(block, dest_reg, dest_reg, dest_reg);
                else
                        host_arm64_SHL_V2S(block, dest_reg, src_reg, uop->imm_data);
        } else
                fatal("PSLLD_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_PSLLQ_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_Q(dest_size) && REG_IS_Q(src_size)) {
                if (uop->imm_data == 0)
                        host_arm64_FMOV_D_D(block, dest_reg, src_reg);
                else if (uop->imm_data > 63)
                        host_arm64_EOR_REG_V(block, dest_reg, dest_reg, dest_reg);
                else
                        host_arm64_SHL_V2D(block, dest_reg, src_reg, uop->imm_data);
        } else
                fatal("PSLLQ_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_PSRAW_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_Q(dest_size) && REG_IS_Q(src_size)) {
                if (uop->imm_data == 0)
                        host_arm64_FMOV_D_D(block, dest_reg, src_reg);
                else if (uop->imm_data > 15)
                        host_arm64_SSHR_V4H(block, dest_reg, src_reg, 15);
                else
                        host_arm64_SSHR_V4H(block, dest_reg, src_reg, uop->imm_data);
        } else
                fatal("PSRAW_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_PSRAD_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_Q(dest_size) && REG_IS_Q(src_size)) {
                if (uop->imm_data == 0)
                        host_arm64_FMOV_D_D(block, dest_reg, src_reg);
                else if (uop->imm_data > 31)
                        host_arm64_SSHR_V2S(block, dest_reg, src_reg, 31);
                else
                        host_arm64_SSHR_V2S(block, dest_reg, src_reg, uop->imm_data);
        } else
                fatal("PSRAD_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_PSRAQ_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_Q(dest_size) && REG_IS_Q(src_size)) {
                if (uop->imm_data == 0)
                        host_arm64_FMOV_D_D(block, dest_reg, src_reg);
                else if (uop->imm_data > 63)
                        host_arm64_SSHR_V2D(block, dest_reg, src_reg, 63);
                else
                        host_arm64_SSHR_V2D(block, dest_reg, src_reg, uop->imm_data);
        } else
                fatal("PSRAQ_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_PSRLW_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_Q(dest_size) && REG_IS_Q(src_size)) {
                if (uop->imm_data == 0)
                        host_arm64_FMOV_D_D(block, dest_reg, src_reg);
                else if (uop->imm_data > 15)
                        host_arm64_EOR_REG_V(block, dest_reg, dest_reg, dest_reg);
                else
                        host_arm64_USHR_V4H(block, dest_reg, src_reg, uop->imm_data);
        } else
                fatal("PSRLW_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_PSRLD_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_Q(dest_size) && REG_IS_Q(src_size)) {
                if (uop->imm_data == 0)
                        host_arm64_FMOV_D_D(block, dest_reg, src_reg);
                else if (uop->imm_data > 31)
                        host_arm64_EOR_REG_V(block, dest_reg, dest_reg, dest_reg);
                else
                        host_arm64_USHR_V2S(block, dest_reg, src_reg, uop->imm_data);
        } else
                fatal("PSRLD_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_PSRLQ_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_Q(dest_size) && REG_IS_Q(src_size)) {
                if (uop->imm_data == 0)
                        host_arm64_FMOV_D_D(block, dest_reg, src_reg);
                else if (uop->imm_data > 63)
                        host_arm64_EOR_REG_V(block, dest_reg, dest_reg, dest_reg);
                else
                        host_arm64_USHR_V2D(block, dest_reg, src_reg, uop->imm_data);
        } else
                fatal("PSRLQ_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}

static int codegen_PSUBB(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_SUB_V8B(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PSUBB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PSUBW(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_SUB_V4H(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PSUBW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PSUBD(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_SUB_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PSUBD %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PSUBSB(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_SQSUB_V8B(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PSUBSB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PSUBSW(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_SQSUB_V4H(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PSUBSW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PSUBUSB(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_UQSUB_V8B(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PSUBUSB %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PSUBUSW(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_UQSUB_V4H(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PSUBUSW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}

static int codegen_PUNPCKHBW(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_ZIP2_V8B(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PUNPCKHBW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PUNPCKHWD(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_ZIP2_V4H(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PUNPCKHWD %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PUNPCKHDQ(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_ZIP2_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PUNPCKHDQ %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PUNPCKLBW(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_ZIP1_V8B(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PUNPCKLBW %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PUNPCKLWD(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_ZIP1_V4H(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PUNPCKLWD %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}
static int codegen_PUNPCKLDQ(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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_ZIP1_V2S(block, dest_reg, src_reg_a, src_reg_b);
        } else
                fatal("PUNPCKLDQ %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);

        return 0;
}

static int codegen_ROL(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_mov_imm(block, REG_TEMP2, 32);
                host_arm64_SUB_REG(block, REG_TEMP2, REG_TEMP2, shift_reg, 0);
                host_arm64_ROR(block, dest_reg, src_reg, REG_TEMP2);
        } else if (REG_IS_W(dest_size) && REG_IS_W(src_size)) {
                host_arm64_mov_imm(block, REG_TEMP2, 16);
                host_arm64_UBFX(block, REG_TEMP, src_reg, 0, 16);
                host_arm64_SUB_REG(block, REG_TEMP2, REG_TEMP2, shift_reg, 0);
                host_arm64_ORR_REG(block, REG_TEMP, REG_TEMP, REG_TEMP, 16);
                host_arm64_ROR(block, REG_TEMP, REG_TEMP, REG_TEMP2);
                host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
                cs = cs;
        } else if (REG_IS_B(dest_size) && REG_IS_B(src_size)) {
                host_arm64_mov_imm(block, REG_TEMP2, 8);
                host_arm64_SUB_REG(block, REG_TEMP2, REG_TEMP2, shift_reg, 0);
                host_arm64_UBFX(block, REG_TEMP, src_reg, 0, 8);
                host_arm64_AND_IMM(block, REG_TEMP2, REG_TEMP2, 7);
                host_arm64_ORR_REG(block, REG_TEMP, REG_TEMP, REG_TEMP, 8);
                host_arm64_LSR(block, REG_TEMP, REG_TEMP, REG_TEMP2);
                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_imm(block, REG_TEMP2, 8);
                host_arm64_SUB_REG(block, REG_TEMP2, REG_TEMP2, shift_reg, 0);
                host_arm64_UBFX(block, REG_TEMP, src_reg, 8, 8);
                host_arm64_AND_IMM(block, REG_TEMP2, REG_TEMP2, 7);
                host_arm64_ORR_REG(block, REG_TEMP, REG_TEMP, REG_TEMP, 8);
                host_arm64_LSR(block, REG_TEMP, REG_TEMP, REG_TEMP2);
                host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
        } else
                fatal("ROL %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_ROL_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)) {
                if (!(uop->imm_data & 31)) {
                        if (src_reg != dest_reg)
                                host_arm64_MOV_REG(block, dest_reg, src_reg, 0);
                } else {
                        host_arm64_MOV_REG_ROR(block, dest_reg, src_reg, 32 - (uop->imm_data & 31));
                }
        } else if (REG_IS_W(dest_size) && REG_IS_W(src_size)) {
                if ((uop->imm_data & 15) == 0) {
                        if (src_reg != dest_reg)
                                host_arm64_BFI(block, dest_reg, src_reg, 0, 16);
                } else {
                        host_arm64_UBFX(block, REG_TEMP, src_reg, 0, 16);
                        host_arm64_ORR_REG(block, REG_TEMP, REG_TEMP, REG_TEMP, 16);
                        host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, 16 - (uop->imm_data & 15));
                        host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
                }
        } else if (REG_IS_B(dest_size) && REG_IS_B(src_size)) {
                if ((uop->imm_data & 7) == 0) {
                        if (src_reg != dest_reg)
                                host_arm64_BFI(block, dest_reg, src_reg, 0, 8);
                } else {
                        host_arm64_UBFX(block, REG_TEMP, src_reg, 0, 8);
                        host_arm64_ORR_REG(block, REG_TEMP, REG_TEMP, REG_TEMP, 8);
                        host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, 8 - (uop->imm_data & 7));
                        host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
                }
        } else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size)) {
                if ((uop->imm_data & 7) == 0) {
                        if (src_reg != dest_reg)
                                fatal("ROL_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);
                } else {
                        host_arm64_UBFX(block, REG_TEMP, src_reg, 8, 8);
                        host_arm64_ORR_REG(block, REG_TEMP, REG_TEMP, REG_TEMP, 8);
                        host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, 8 - (uop->imm_data & 7));
                        host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
                }
        } else
                fatal("ROL_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_ROR(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_ROR(block, dest_reg, src_reg, shift_reg);
        } else if (REG_IS_W(dest_size) && REG_IS_W(src_size)) {
                host_arm64_UBFX(block, REG_TEMP, src_reg, 0, 16);
                host_arm64_AND_IMM(block, REG_TEMP2, shift_reg, 15);
                host_arm64_ORR_REG(block, REG_TEMP, REG_TEMP, REG_TEMP, 16);
                host_arm64_LSR(block, REG_TEMP, REG_TEMP, REG_TEMP2);
                host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
        } else if (REG_IS_B(dest_size) && REG_IS_B(src_size)) {
                host_arm64_UBFX(block, REG_TEMP, src_reg, 0, 8);
                host_arm64_AND_IMM(block, REG_TEMP2, shift_reg, 7);
                host_arm64_ORR_REG(block, REG_TEMP, REG_TEMP, REG_TEMP, 8);
                host_arm64_LSR(block, REG_TEMP, REG_TEMP, REG_TEMP2);
                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_AND_IMM(block, REG_TEMP2, shift_reg, 7);
                host_arm64_ORR_REG(block, REG_TEMP, REG_TEMP, REG_TEMP, 8);
                host_arm64_LSR(block, REG_TEMP, REG_TEMP, REG_TEMP2);
                host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
        } else
                fatal("ROR %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);

        return 0;
}
static int codegen_ROR_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)) {
                if (!(uop->imm_data & 31)) {
                        if (src_reg != dest_reg)
                                host_arm64_MOV_REG(block, dest_reg, src_reg, 0);
                } else {
                        host_arm64_MOV_REG_ROR(block, dest_reg, src_reg, uop->imm_data & 31);
                }
        } else if (REG_IS_W(dest_size) && REG_IS_W(src_size)) {
                if ((uop->imm_data & 15) == 0) {
                        if (src_reg != dest_reg)
                                fatal("ROR_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);
                } else {
                        host_arm64_UBFX(block, REG_TEMP, src_reg, 0, 16);
                        host_arm64_ORR_REG(block, REG_TEMP, REG_TEMP, REG_TEMP, 16);
                        host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, uop->imm_data & 15);
                        host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 16);
                }
        } else if (REG_IS_B(dest_size) && REG_IS_B(src_size)) {
                if ((uop->imm_data & 7) == 0) {
                        if (src_reg != dest_reg)
                                fatal("ROR_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);
                } else {
                        host_arm64_UBFX(block, REG_TEMP, src_reg, 0, 8);
                        host_arm64_ORR_REG(block, REG_TEMP, REG_TEMP, REG_TEMP, 8);
                        host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, uop->imm_data & 7);
                        host_arm64_BFI(block, dest_reg, REG_TEMP, 0, 8);
                }
        } else if (REG_IS_BH(dest_size) && REG_IS_BH(src_size)) {
                if ((uop->imm_data & 7) == 0) {
                        if (src_reg != dest_reg)
                                fatal("ROR_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);
                } else {
                        host_arm64_UBFX(block, REG_TEMP, src_reg, 8, 8);
                        host_arm64_ORR_REG(block, REG_TEMP, REG_TEMP, REG_TEMP, 8);
                        host_arm64_MOV_REG_LSR(block, REG_TEMP, REG_TEMP, uop->imm_data & 7);
                        host_arm64_BFI(block, dest_reg, REG_TEMP, 8, 8);
                }
        } else
                fatal("ROR_IMM %02x %02x\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_Q(dest_size) && REG_IS_Q(src_size_a) && REG_IS_Q(src_size_b)) {
                host_arm64_EOR_REG_V(block, dest_reg, src_reg_a, src_reg_b);
        } else 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_MOV_INT_DOUBLE & UOP_MASK] = codegen_MOV_INT_DOUBLE,
                                     [UOP_MOV_INT_DOUBLE_64 & UOP_MASK] = codegen_MOV_INT_DOUBLE_64,
                                     [UOP_MOV_REG_PTR & UOP_MASK] = codegen_MOV_REG_PTR,
                                     [UOP_MOVZX_REG_PTR_8 & UOP_MASK] = codegen_MOVZX_REG_PTR_8,
                                     [UOP_MOVZX_REG_PTR_16 & UOP_MASK] = codegen_MOVZX_REG_PTR_16,

                                     [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_ANDN & UOP_MASK] = codegen_ANDN,
                                     [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_ROL & UOP_MASK] = codegen_ROL,
                                     [UOP_ROL_IMM & UOP_MASK] = codegen_ROL_IMM,
                                     [UOP_ROR & UOP_MASK] = codegen_ROR,
                                     [UOP_ROR_IMM & UOP_MASK] = codegen_ROR_IMM,

                                     [UOP_CMP_IMM_JZ & UOP_MASK] = codegen_CMP_IMM_JZ,

                                     [UOP_CMP_JB & UOP_MASK] = codegen_CMP_JB,
                                     [UOP_CMP_JNBE & UOP_MASK] = codegen_CMP_JNBE,

                                     [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_MMX_ENTER & UOP_MASK] = codegen_MMX_ENTER,

                                     [UOP_FADD & UOP_MASK] = codegen_FADD,
                                     [UOP_FCOM & UOP_MASK] = codegen_FCOM,
                                     [UOP_FDIV & UOP_MASK] = codegen_FDIV,
                                     [UOP_FMUL & UOP_MASK] = codegen_FMUL,
                                     [UOP_FSUB & UOP_MASK] = codegen_FSUB,

                                     [UOP_FABS & UOP_MASK] = codegen_FABS,
                                     [UOP_FCHS & UOP_MASK] = codegen_FCHS,
                                     [UOP_FSQRT & UOP_MASK] = codegen_FSQRT,
                                     [UOP_FTST & UOP_MASK] = codegen_FTST,

                                     [UOP_PACKSSWB & UOP_MASK] = codegen_PACKSSWB,
                                     [UOP_PACKSSDW & UOP_MASK] = codegen_PACKSSDW,
                                     [UOP_PACKUSWB & UOP_MASK] = codegen_PACKUSWB,

                                     [UOP_PADDB & UOP_MASK] = codegen_PADDB,
                                     [UOP_PADDW & UOP_MASK] = codegen_PADDW,
                                     [UOP_PADDD & UOP_MASK] = codegen_PADDD,
                                     [UOP_PADDSB & UOP_MASK] = codegen_PADDSB,
                                     [UOP_PADDSW & UOP_MASK] = codegen_PADDSW,
                                     [UOP_PADDUSB & UOP_MASK] = codegen_PADDUSB,
                                     [UOP_PADDUSW & UOP_MASK] = codegen_PADDUSW,

                                     [UOP_PCMPEQB & UOP_MASK] = codegen_PCMPEQB,
                                     [UOP_PCMPEQW & UOP_MASK] = codegen_PCMPEQW,
                                     [UOP_PCMPEQD & UOP_MASK] = codegen_PCMPEQD,
                                     [UOP_PCMPGTB & UOP_MASK] = codegen_PCMPGTB,
                                     [UOP_PCMPGTW & UOP_MASK] = codegen_PCMPGTW,
                                     [UOP_PCMPGTD & UOP_MASK] = codegen_PCMPGTD,

                                     [UOP_PF2ID & UOP_MASK] = codegen_PF2ID,
                                     [UOP_PFADD & UOP_MASK] = codegen_PFADD,
                                     [UOP_PFCMPEQ & UOP_MASK] = codegen_PFCMPEQ,
                                     [UOP_PFCMPGE & UOP_MASK] = codegen_PFCMPGE,
                                     [UOP_PFCMPGT & UOP_MASK] = codegen_PFCMPGT,
                                     [UOP_PFMAX & UOP_MASK] = codegen_PFMAX,
                                     [UOP_PFMIN & UOP_MASK] = codegen_PFMIN,
                                     [UOP_PFMUL & UOP_MASK] = codegen_PFMUL,
                                     [UOP_PFRCP & UOP_MASK] = codegen_PFRCP,
                                     [UOP_PFRSQRT & UOP_MASK] = codegen_PFRSQRT,
                                     [UOP_PFSUB & UOP_MASK] = codegen_PFSUB,
                                     [UOP_PI2FD & UOP_MASK] = codegen_PI2FD,

                                     [UOP_PMADDWD & UOP_MASK] = codegen_PMADDWD,
                                     [UOP_PMULHW & UOP_MASK] = codegen_PMULHW,
                                     [UOP_PMULLW & UOP_MASK] = codegen_PMULLW,

                                     [UOP_PSLLW_IMM & UOP_MASK] = codegen_PSLLW_IMM,
                                     [UOP_PSLLD_IMM & UOP_MASK] = codegen_PSLLD_IMM,
                                     [UOP_PSLLQ_IMM & UOP_MASK] = codegen_PSLLQ_IMM,
                                     [UOP_PSRAW_IMM & UOP_MASK] = codegen_PSRAW_IMM,
                                     [UOP_PSRAD_IMM & UOP_MASK] = codegen_PSRAD_IMM,
                                     [UOP_PSRAQ_IMM & UOP_MASK] = codegen_PSRAQ_IMM,
                                     [UOP_PSRLW_IMM & UOP_MASK] = codegen_PSRLW_IMM,
                                     [UOP_PSRLD_IMM & UOP_MASK] = codegen_PSRLD_IMM,
                                     [UOP_PSRLQ_IMM & UOP_MASK] = codegen_PSRLQ_IMM,

                                     [UOP_PSUBB & UOP_MASK] = codegen_PSUBB,
                                     [UOP_PSUBW & UOP_MASK] = codegen_PSUBW,
                                     [UOP_PSUBD & UOP_MASK] = codegen_PSUBD,
                                     [UOP_PSUBSB & UOP_MASK] = codegen_PSUBSB,
                                     [UOP_PSUBSW & UOP_MASK] = codegen_PSUBSW,
                                     [UOP_PSUBUSB & UOP_MASK] = codegen_PSUBUSB,
                                     [UOP_PSUBUSW & UOP_MASK] = codegen_PSUBUSW,

                                     [UOP_PUNPCKHBW & UOP_MASK] = codegen_PUNPCKHBW,
                                     [UOP_PUNPCKHWD & UOP_MASK] = codegen_PUNPCKHWD,
                                     [UOP_PUNPCKHDQ & UOP_MASK] = codegen_PUNPCKHDQ,
                                     [UOP_PUNPCKLBW & UOP_MASK] = codegen_PUNPCKLBW,
                                     [UOP_PUNPCKLWD & UOP_MASK] = codegen_PUNPCKLWD,
                                     [UOP_PUNPCKLDQ & UOP_MASK] = codegen_PUNPCKLDQ,

                                     [UOP_NOP_BARRIER & UOP_MASK] = codegen_NOP};

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_64(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_pointer(codeblock_t *block, int host_reg, void *p) {
        if (in_range12_q((uintptr_t)p - (uintptr_t)&cpu_state))
                host_arm64_LDR_IMM_X(block, host_reg, REG_CPUSTATE, (uintptr_t)p - (uintptr_t)&cpu_state);
        else
                fatal("codegen_direct_read_pointer - 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_8(codeblock_t *block, int host_reg, void *base, int reg_idx) {
        host_arm64_LDR_IMM_W(block, REG_TEMP, REG_XSP, IREG_TOP_diff_stack_offset);
        host_arm64_ADD_IMM(block, REG_TEMP, REG_TEMP, reg_idx);
        host_arm64_ADDX_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_LDRB_REG(block, host_reg, REG_TEMP2, REG_TEMP);
}
void codegen_direct_read_st_64(codeblock_t *block, int host_reg, void *base, int reg_idx) {
        host_arm64_LDR_IMM_W(block, REG_TEMP, REG_XSP, IREG_TOP_diff_stack_offset);
        host_arm64_ADD_IMM(block, REG_TEMP, REG_TEMP, reg_idx);
        host_arm64_ADDX_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_read_st_double(codeblock_t *block, int host_reg, void *base, int reg_idx) {
        host_arm64_LDR_IMM_W(block, REG_TEMP, REG_XSP, IREG_TOP_diff_stack_offset);
        host_arm64_ADD_IMM(block, REG_TEMP, REG_TEMP, reg_idx);
        host_arm64_ADDX_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_64(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_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_8(codeblock_t *block, void *base, int reg_idx, int host_reg) {
        host_arm64_LDR_IMM_W(block, REG_TEMP, REG_XSP, IREG_TOP_diff_stack_offset);
        host_arm64_ADD_IMM(block, REG_TEMP, REG_TEMP, reg_idx);
        host_arm64_ADDX_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_st_64(codeblock_t *block, void *base, int reg_idx, int host_reg) {
        host_arm64_LDR_IMM_W(block, REG_TEMP, REG_XSP, IREG_TOP_diff_stack_offset);
        host_arm64_ADD_IMM(block, REG_TEMP, REG_TEMP, reg_idx);
        host_arm64_ADDX_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_st_double(codeblock_t *block, void *base, int reg_idx, int host_reg) {
        host_arm64_LDR_IMM_W(block, REG_TEMP, REG_XSP, IREG_TOP_diff_stack_offset);
        host_arm64_ADD_IMM(block, REG_TEMP, REG_TEMP, reg_idx);
        host_arm64_ADDX_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_XSP, 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_XSP, stack_offset);
        else
                fatal("codegen_direct_read_32_stack - not in range\n");
}
void codegen_direct_read_pointer_stack(codeblock_t *block, int host_reg, int stack_offset) {
        if (in_range12_q(stack_offset))
                host_arm64_LDR_IMM_X(block, host_reg, REG_XSP, stack_offset);
        else
                fatal("codegen_direct_read_pointer_stack - not in range\n");
}
void codegen_direct_read_64_stack(codeblock_t *block, int host_reg, int stack_offset) {
        host_arm64_LDR_IMM_F64(block, host_reg, REG_XSP, stack_offset);
}
void codegen_direct_read_double_stack(codeblock_t *block, int host_reg, int stack_offset) {
        host_arm64_LDR_IMM_F64(block, host_reg, REG_XSP, stack_offset);
}

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_XSP, stack_offset);
        else
                fatal("codegen_direct_write_32_stack - not in range\n");
}
void codegen_direct_write_64_stack(codeblock_t *block, int stack_offset, int host_reg) {
        host_arm64_STR_IMM_F64(block, host_reg, REG_XSP, stack_offset);
}
void codegen_direct_write_double_stack(codeblock_t *block, int stack_offset, int host_reg) {
        host_arm64_STR_IMM_F64(block, host_reg, REG_XSP, stack_offset);
}

void codegen_set_jump_dest(codeblock_t *block, void *p) { host_arm64_branch_set_offset(p, &block_write_data[block_pos]); }
#endif
