tcg-op.h

来自「xen虚拟机源代码安装包」· C头文件 代码 · 共 1,538 行 · 第 1/3 页

}

static inline void tcg_gen_ld8u_i64(TCGv ret, TCGv arg2, tcg_target_long offset)
{
    tcg_gen_ld8u_i32(ret, arg2, offset);
    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
}

static inline void tcg_gen_ld8s_i64(TCGv ret, TCGv arg2, tcg_target_long offset)
{
    tcg_gen_ld8s_i32(ret, arg2, offset);
    tcg_gen_sari_i32(TCGV_HIGH(ret), ret, 31);
}

static inline void tcg_gen_ld16u_i64(TCGv ret, TCGv arg2, tcg_target_long offset)
{
    tcg_gen_ld16u_i32(ret, arg2, offset);
    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
}

static inline void tcg_gen_ld16s_i64(TCGv ret, TCGv arg2, tcg_target_long offset)
{
    tcg_gen_ld16s_i32(ret, arg2, offset);
    tcg_gen_sari_i32(TCGV_HIGH(ret), ret, 31);
}

static inline void tcg_gen_ld32u_i64(TCGv ret, TCGv arg2, tcg_target_long offset)
{
    tcg_gen_ld_i32(ret, arg2, offset);
    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
}

static inline void tcg_gen_ld32s_i64(TCGv ret, TCGv arg2, tcg_target_long offset)
{
    tcg_gen_ld_i32(ret, arg2, offset);
    tcg_gen_sari_i32(TCGV_HIGH(ret), ret, 31);
}

static inline void tcg_gen_ld_i64(TCGv ret, TCGv arg2, tcg_target_long offset)
{
    /* since arg2 and ret have different types, they cannot be the
       same temporary */
#ifdef TCG_TARGET_WORDS_BIGENDIAN
    tcg_gen_ld_i32(TCGV_HIGH(ret), arg2, offset);
    tcg_gen_ld_i32(ret, arg2, offset + 4);
#else
    tcg_gen_ld_i32(ret, arg2, offset);
    tcg_gen_ld_i32(TCGV_HIGH(ret), arg2, offset + 4);
#endif
}

static inline void tcg_gen_st8_i64(TCGv arg1, TCGv arg2, tcg_target_long offset)
{
    tcg_gen_st8_i32(arg1, arg2, offset);
}

static inline void tcg_gen_st16_i64(TCGv arg1, TCGv arg2, tcg_target_long offset)
{
    tcg_gen_st16_i32(arg1, arg2, offset);
}

static inline void tcg_gen_st32_i64(TCGv arg1, TCGv arg2, tcg_target_long offset)
{
    tcg_gen_st_i32(arg1, arg2, offset);
}

static inline void tcg_gen_st_i64(TCGv arg1, TCGv arg2, tcg_target_long offset)
{
#ifdef TCG_TARGET_WORDS_BIGENDIAN
    tcg_gen_st_i32(TCGV_HIGH(arg1), arg2, offset);
    tcg_gen_st_i32(arg1, arg2, offset + 4);
#else
    tcg_gen_st_i32(arg1, arg2, offset);
    tcg_gen_st_i32(TCGV_HIGH(arg1), arg2, offset + 4);
#endif
}

static inline void tcg_gen_add_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op6(INDEX_op_add2_i32, ret, TCGV_HIGH(ret), 
                arg1, TCGV_HIGH(arg1), arg2, TCGV_HIGH(arg2));
}

static inline void tcg_gen_addi_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_add_i64(ret, arg1, tcg_const_i64(arg2));
}

static inline void tcg_gen_sub_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op6(INDEX_op_sub2_i32, ret, TCGV_HIGH(ret), 
                arg1, TCGV_HIGH(arg1), arg2, TCGV_HIGH(arg2));
}

static inline void tcg_gen_subi_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_sub_i64(ret, arg1, tcg_const_i64(arg2));
}

static inline void tcg_gen_and_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_and_i32(ret, arg1, arg2);
    tcg_gen_and_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
}

static inline void tcg_gen_andi_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_andi_i32(ret, arg1, arg2);
    tcg_gen_andi_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
}

static inline void tcg_gen_or_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_or_i32(ret, arg1, arg2);
    tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
}

static inline void tcg_gen_ori_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_ori_i32(ret, arg1, arg2);
    tcg_gen_ori_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
}

static inline void tcg_gen_xor_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_xor_i32(ret, arg1, arg2);
    tcg_gen_xor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
}

static inline void tcg_gen_xori_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_xori_i32(ret, arg1, arg2);
    tcg_gen_xori_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
}

/* XXX: use generic code when basic block handling is OK or CPU
   specific code (x86) */
static inline void tcg_gen_shl_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_helper_1_2(tcg_helper_shl_i64, ret, arg1, arg2);
}

static inline void tcg_gen_shli_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_shifti_i64(ret, arg1, arg2, 0, 0);
}

static inline void tcg_gen_shr_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_helper_1_2(tcg_helper_shr_i64, ret, arg1, arg2);
}

static inline void tcg_gen_shri_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_shifti_i64(ret, arg1, arg2, 1, 0);
}

static inline void tcg_gen_sar_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_helper_1_2(tcg_helper_sar_i64, ret, arg1, arg2);
}

static inline void tcg_gen_sari_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_shifti_i64(ret, arg1, arg2, 1, 1);
}

static inline void tcg_gen_brcond_i64(int cond, TCGv arg1, TCGv arg2, 
                                      int label_index)
{
    tcg_gen_op6ii(INDEX_op_brcond2_i32, 
                  arg1, TCGV_HIGH(arg1), arg2, TCGV_HIGH(arg2),
                  cond, label_index);
}

static inline void tcg_gen_mul_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    TCGv t0, t1;
    
    t0 = tcg_temp_new(TCG_TYPE_I64);
    t1 = tcg_temp_new(TCG_TYPE_I32);

    tcg_gen_op4(INDEX_op_mulu2_i32, t0, TCGV_HIGH(t0), arg1, arg2);
    
    tcg_gen_mul_i32(t1, arg1, TCGV_HIGH(arg2));
    tcg_gen_add_i32(TCGV_HIGH(t0), TCGV_HIGH(t0), t1);
    tcg_gen_mul_i32(t1, TCGV_HIGH(arg1), arg2);
    tcg_gen_add_i32(TCGV_HIGH(t0), TCGV_HIGH(t0), t1);
    
    tcg_gen_mov_i64(ret, t0);
}

static inline void tcg_gen_muli_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_mul_i64(ret, arg1, tcg_const_i64(arg2));
}

static inline void tcg_gen_div_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_helper_1_2(tcg_helper_div_i64, ret, arg1, arg2);
}

static inline void tcg_gen_rem_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_helper_1_2(tcg_helper_rem_i64, ret, arg1, arg2);
}

static inline void tcg_gen_divu_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_helper_1_2(tcg_helper_divu_i64, ret, arg1, arg2);
}

static inline void tcg_gen_remu_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_helper_1_2(tcg_helper_remu_i64, ret, arg1, arg2);
}

#else

static inline void tcg_gen_mov_i64(TCGv ret, TCGv arg)
{
    if (GET_TCGV(ret) != GET_TCGV(arg))
        tcg_gen_op2(INDEX_op_mov_i64, ret, arg);
}

static inline void tcg_gen_movi_i64(TCGv ret, int64_t arg)
{
    tcg_gen_op2i(INDEX_op_movi_i64, ret, arg);
}

static inline void tcg_gen_ld8u_i64(TCGv ret, TCGv arg2,
                                    tcg_target_long offset)
{
    tcg_gen_op3i(INDEX_op_ld8u_i64, ret, arg2, offset);
}

static inline void tcg_gen_ld8s_i64(TCGv ret, TCGv arg2,
                                    tcg_target_long offset)
{
    tcg_gen_op3i(INDEX_op_ld8s_i64, ret, arg2, offset);
}

static inline void tcg_gen_ld16u_i64(TCGv ret, TCGv arg2,
                                     tcg_target_long offset)
{
    tcg_gen_op3i(INDEX_op_ld16u_i64, ret, arg2, offset);
}

static inline void tcg_gen_ld16s_i64(TCGv ret, TCGv arg2,
                                     tcg_target_long offset)
{
    tcg_gen_op3i(INDEX_op_ld16s_i64, ret, arg2, offset);
}

static inline void tcg_gen_ld32u_i64(TCGv ret, TCGv arg2,
                                     tcg_target_long offset)
{
    tcg_gen_op3i(INDEX_op_ld32u_i64, ret, arg2, offset);
}

static inline void tcg_gen_ld32s_i64(TCGv ret, TCGv arg2,
                                     tcg_target_long offset)
{
    tcg_gen_op3i(INDEX_op_ld32s_i64, ret, arg2, offset);
}

static inline void tcg_gen_ld_i64(TCGv ret, TCGv arg2, tcg_target_long offset)
{
    tcg_gen_op3i(INDEX_op_ld_i64, ret, arg2, offset);
}

static inline void tcg_gen_st8_i64(TCGv arg1, TCGv arg2,
                                   tcg_target_long offset)
{
    tcg_gen_op3i(INDEX_op_st8_i64, arg1, arg2, offset);
}

static inline void tcg_gen_st16_i64(TCGv arg1, TCGv arg2,
                                    tcg_target_long offset)
{
    tcg_gen_op3i(INDEX_op_st16_i64, arg1, arg2, offset);
}

static inline void tcg_gen_st32_i64(TCGv arg1, TCGv arg2,
                                    tcg_target_long offset)
{
    tcg_gen_op3i(INDEX_op_st32_i64, arg1, arg2, offset);
}

static inline void tcg_gen_st_i64(TCGv arg1, TCGv arg2, tcg_target_long offset)
{
    tcg_gen_op3i(INDEX_op_st_i64, arg1, arg2, offset);
}

static inline void tcg_gen_add_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_add_i64, ret, arg1, arg2);
}

static inline void tcg_gen_addi_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_add_i64(ret, arg1, tcg_const_i64(arg2));
}

static inline void tcg_gen_sub_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_sub_i64, ret, arg1, arg2);
}

static inline void tcg_gen_subi_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_sub_i64(ret, arg1, tcg_const_i64(arg2));
}

static inline void tcg_gen_and_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_and_i64, ret, arg1, arg2);
}

static inline void tcg_gen_andi_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_and_i64(ret, arg1, tcg_const_i64(arg2));
}

static inline void tcg_gen_or_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_or_i64, ret, arg1, arg2);
}

static inline void tcg_gen_ori_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_or_i64(ret, arg1, tcg_const_i64(arg2));
}

static inline void tcg_gen_xor_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_xor_i64, ret, arg1, arg2);
}

static inline void tcg_gen_xori_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_xor_i64(ret, arg1, tcg_const_i64(arg2));
}

static inline void tcg_gen_shl_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_shl_i64, ret, arg1, arg2);
}

static inline void tcg_gen_shli_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_shl_i64(ret, arg1, tcg_const_i64(arg2));
}

static inline void tcg_gen_shr_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_shr_i64, ret, arg1, arg2);
}

static inline void tcg_gen_shri_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_shr_i64(ret, arg1, tcg_const_i64(arg2));
}

static inline void tcg_gen_sar_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_sar_i64, ret, arg1, arg2);
}

static inline void tcg_gen_sari_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_sar_i64(ret, arg1, tcg_const_i64(arg2));
}

static inline void tcg_gen_brcond_i64(int cond, TCGv arg1, TCGv arg2, 
                                      int label_index)
{
    tcg_gen_op4ii(INDEX_op_brcond_i64, arg1, arg2, cond, label_index);
}

static inline void tcg_gen_mul_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_mul_i64, ret, arg1, arg2);
}

static inline void tcg_gen_muli_i64(TCGv ret, TCGv arg1, int64_t arg2)
{
    tcg_gen_mul_i64(ret, arg1, tcg_const_i64(arg2));
}

#ifdef TCG_TARGET_HAS_div_i64
static inline void tcg_gen_div_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_div_i64, ret, arg1, arg2);
}

static inline void tcg_gen_rem_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_rem_i64, ret, arg1, arg2);
}

static inline void tcg_gen_divu_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_divu_i64, ret, arg1, arg2);
}

static inline void tcg_gen_remu_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    tcg_gen_op3(INDEX_op_remu_i64, ret, arg1, arg2);
}
#else
static inline void tcg_gen_div_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    TCGv t0;
    t0 = tcg_temp_new(TCG_TYPE_I64);
    tcg_gen_sari_i64(t0, arg1, 63);
    tcg_gen_op5(INDEX_op_div2_i64, ret, t0, arg1, t0, arg2);
}

static inline void tcg_gen_rem_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    TCGv t0;
    t0 = tcg_temp_new(TCG_TYPE_I64);
    tcg_gen_sari_i64(t0, arg1, 63);
    tcg_gen_op5(INDEX_op_div2_i64, t0, ret, arg1, t0, arg2);
}

static inline void tcg_gen_divu_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    TCGv t0;
    t0 = tcg_temp_new(TCG_TYPE_I64);
    tcg_gen_movi_i64(t0, 0);
    tcg_gen_op5(INDEX_op_divu2_i64, ret, t0, arg1, t0, arg2);
}

static inline void tcg_gen_remu_i64(TCGv ret, TCGv arg1, TCGv arg2)
{
    TCGv t0;
    t0 = tcg_temp_new(TCG_TYPE_I64);
    tcg_gen_movi_i64(t0, 0);
    tcg_gen_op5(INDEX_op_divu2_i64, t0, ret, arg1, t0, arg2);
}
#endif

#endif

/***************************************/
/* optional operations */

static inline void tcg_gen_ext8s_i32(TCGv ret, TCGv arg)
{
#ifdef TCG_TARGET_HAS_ext8s_i32
    tcg_gen_op2(INDEX_op_ext8s_i32, ret, arg);
#else
    tcg_gen_shli_i32(ret, arg, 24);
    tcg_gen_sari_i32(ret, ret, 24);
#endif
}

static inline void tcg_gen_ext16s_i32(TCGv ret, TCGv arg)
{
#ifdef TCG_TARGET_HAS_ext16s_i32
    tcg_gen_op2(INDEX_op_ext16s_i32, ret, arg);
#else
    tcg_gen_shli_i32(ret, arg, 16);
    tcg_gen_sari_i32(ret, ret, 16);
#endif
}

/* These are currently just for convenience.
   We assume a target will recognise these automatically .  */
static inline void tcg_gen_ext8u_i32(TCGv ret, TCGv arg)
{
    tcg_gen_andi_i32(ret, arg, 0xffu);
}

static inline void tcg_gen_ext16u_i32(TCGv ret, TCGv arg)
{
    tcg_gen_andi_i32(ret, arg, 0xffffu);
}

/* Note: we assume the two high bytes are set to zero */
static inline void tcg_gen_bswap16_i32(TCGv ret, TCGv arg)
{
#ifdef TCG_TARGET_HAS_bswap16_i32
    tcg_gen_op2(INDEX_op_bswap16_i32, ret, arg);
#else
    TCGv t0, t1;
    t0 = tcg_temp_new(TCG_TYPE_I32);
    t1 = tcg_temp_new(TCG_TYPE_I32);
    
    tcg_gen_shri_i32(t0, arg, 8);
    tcg_gen_andi_i32(t1, arg, 0x000000ff);
    tcg_gen_shli_i32(t1, t1, 8);
    tcg_gen_or_i32(ret, t0, t1);
#endif
}

static inline void tcg_gen_bswap_i32(TCGv ret, TCGv arg)
{
#ifdef TCG_TARGET_HAS_bswap_i32
    tcg_gen_op2(INDEX_op_bswap_i32, ret, arg);
#else
    TCGv t0, t1;
    t0 = tcg_temp_new(TCG_TYPE_I32);
    t1 = tcg_temp_new(TCG_TYPE_I32);
    
    tcg_gen_shli_i32(t0, arg, 24);
    
    tcg_gen_andi_i32(t1, arg, 0x0000ff00);
    tcg_gen_shli_i32(t1, t1, 8);
    tcg_gen_or_i32(t0, t0, t1);