Commit 50788a3f authored by Bastian Koppelmann's avatar Bastian Koppelmann
Browse files

target-tricore: Add updfl instruction 



Signed-off-by: default avatarBastian Koppelmann <kbastian@mail.uni-paderborn.de>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
parent dedd8c9c

target/tricore/fpu_helper.c

+14 −0
Original line number Diff line number Diff line
@@ -333,3 +333,17 @@ uint32_t helper_ftouz(CPUTriCoreState *env, uint32_t arg) 
    }

    return result;

}



void helper_updfl(CPUTriCoreState *env, uint32_t arg)

{

    env->FPU_FS =  extract32(arg, 7, 1) & extract32(arg, 15, 1);

    env->FPU_FI = (extract32(arg, 6, 1) & extract32(arg, 14, 1)) << 31;

    env->FPU_FV = (extract32(arg, 5, 1) & extract32(arg, 13, 1)) << 31;

    env->FPU_FZ = (extract32(arg, 4, 1) & extract32(arg, 12, 1)) << 31;

    env->FPU_FU = (extract32(arg, 3, 1) & extract32(arg, 11, 1)) << 31;

    /* clear FX and RM */

    env->PSW &= ~(extract32(arg, 10, 1) << 26);

    env->PSW |= (extract32(arg, 2, 1) & extract32(arg, 10, 1)) << 26;



    fpu_set_state(env);

}

target/tricore/helper.h

+1 −0
Original line number Diff line number Diff line
@@ -115,6 +115,7 @@ 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(ftouz, i32, env, i32)

DEF_HELPER_2(updfl, void, env, i32)

/* dvinit */

DEF_HELPER_3(dvinit_b_13, i64, env, i32, i32)

DEF_HELPER_3(dvinit_b_131, i64, env, i32, i32)

target/tricore/translate.c

+3 −0
Original line number Diff line number Diff line
@@ -6735,6 +6735,9 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx) 
    case OPC2_32_RR_FTOUZ:

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

        break;

    case OPC2_32_RR_UPDFL:

        gen_helper_updfl(cpu_env, cpu_gpr_d[r1]);

        break;

    default:

        generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC);

    }