Archipelago » qemu

static void gen_fcvtlq(int rb, int rc)

{

    if (unlikely(rc == 31)) {

        return;

    }

    if (unlikely(rb == 31)) {

        tcg_gen_movi_i64(cpu_fir[rc], 0);

    } else {

        TCGv tmp = tcg_temp_new();

        /* The arithmetic right shift here, plus the sign-extended mask below

           yields a sign-extended result without an explicit ext32s_i64.  */

        tcg_gen_sari_i64(tmp, cpu_fir[rb], 32);

        tcg_gen_shri_i64(cpu_fir[rc], cpu_fir[rb], 29);

        tcg_gen_andi_i64(tmp, tmp, (int32_t)0xc0000000);

        tcg_gen_andi_i64(cpu_fir[rc], cpu_fir[rc], 0x3fffffff);

        tcg_gen_or_i64(cpu_fir[rc], cpu_fir[rc], tmp);

        tcg_temp_free(tmp);

    }

}