target-hppa: Implement basic arithmetic

DEF_HELPER_2(excp, noreturn, env, int)

DEF_HELPER_FLAGS_2(tsv, TCG_CALL_NO_WG, void, env, tl)

DEF_HELPER_FLAGS_2(tcond, TCG_CALL_NO_WG, void, env, tl)

DEF_HELPER_FLAGS_1(loaded_fr0, TCG_CALL_NO_RWG, void, env)

    cpu_loop_exit(cs);

}

static void QEMU_NORETURN dynexcp(CPUHPPAState *env, int excp, uintptr_t ra)

{

    HPPACPU *cpu = hppa_env_get_cpu(env);

    CPUState *cs = CPU(cpu);

    cs->exception_index = excp;

    cpu_loop_exit_restore(cs, ra);

}

void HELPER(tsv)(CPUHPPAState *env, target_ulong cond)

{

    if (unlikely((target_long)cond < 0)) {

        dynexcp(env, EXCP_SIGFPE, GETPC());

    }

}

void HELPER(tcond)(CPUHPPAState *env, target_ulong cond)

{

    if (unlikely(cond)) {

        dynexcp(env, EXCP_SIGFPE, GETPC());

    }

}

void HELPER(loaded_fr0)(CPUHPPAState *env)

{

    uint32_t shadow = env->fr[0] >> 32;