Commit 1fa79fb0 authored by David Brenken's avatar David Brenken Committed by Bastian Koppelmann
Browse files

tricore: add FTOIZ instruction 



Signed-off-by: default avatarAndreas Konopik <andreas.konopik@efs-auto.de>
Signed-off-by: default avatarDavid Brenken <david.brenken@efs-auto.de>
Signed-off-by: default avatarGeorg Hofstetter <georg.hofstetter@efs-auto.de>
Signed-off-by: default avatarRobert Rasche <robert.rasche@efs-auto.de>
Signed-off-by: default avatarLars Biermanski <lars.biermanski@efs-auto.de>
Reviewed-by: default avatarBastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-Id: <20190624070339.4408-2-david.brenken@efs-auto.org>
Signed-off-by: default avatarBastian Koppelmann <kbastian@mail.uni-paderborn.de>
parent 474f3938

target/tricore/fpu_helper.c

+25 −0
Original line number Diff line number Diff line
@@ -303,6 +303,31 @@ uint32_t helper_itof(CPUTriCoreState *env, uint32_t arg) 
    return (uint32_t)f_result;

}



uint32_t helper_ftoiz(CPUTriCoreState *env, uint32_t arg)

{

    float32 f_arg = make_float32(arg);

    uint32_t result;

    int32_t flags;



    result = float32_to_int32_round_to_zero(f_arg, &env->fp_status);



    flags = f_get_excp_flags(env);

    if (flags & float_flag_invalid) {

        flags &= ~float_flag_inexact;

        if (float32_is_any_nan(f_arg)) {

            result = 0;

        }

    }



    if (flags) {

        f_update_psw_flags(env, flags);

    } else {

        env->FPU_FS = 0;

    }



    return result;

}



uint32_t helper_ftouz(CPUTriCoreState *env, uint32_t arg)

{

    float32 f_arg = make_float32(arg);

target/tricore/helper.h

+1 −0
Original line number Diff line number Diff line
@@ -111,6 +111,7 @@ DEF_HELPER_4(fmsub, i32, env, i32, i32, i32) 
DEF_HELPER_3(fcmp, i32, env, i32, i32)

DEF_HELPER_2(ftoi, i32, env, i32)

DEF_HELPER_2(itof, i32, env, i32)

DEF_HELPER_2(ftoiz, i32, env, i32)

DEF_HELPER_2(ftouz, i32, env, i32)

DEF_HELPER_2(updfl, void, env, i32)

/* dvinit */

target/tricore/translate.c

+3 −0
Original line number Diff line number Diff line
@@ -6747,6 +6747,9 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx) 
    case OPC2_32_RR_UPDFL:

        gen_helper_updfl(cpu_env, cpu_gpr_d[r1]);

        break;

    case OPC2_32_RR_FTOIZ:

        gen_helper_ftoiz(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]);

        break;

    default:

        generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC);

    }