Exemple #1
0
float32 helper_fsqrt_FT(CPUSH4State *env, float32 t0)
{
    set_float_exception_flags(0, &env->fp_status);
    t0 = float32_sqrt(t0, &env->fp_status);
    update_fpscr(env, GETPC());
    return t0;
}
Exemple #2
0
uint32_t helper_fsqrt_FT(uint32_t t0)
{
    CPU_FloatU f;
    f.l = t0;
    f.f = float32_sqrt(f.f, &env->fp_status);
    return f.l;
}
Exemple #3
0
uint32_t helper_fsqrt(CPUMBState *env, uint32_t a)
{
    CPU_FloatU fd, fa;
    int flags;

    set_float_exception_flags(0, &env->fp_status);
    fa.l = a;
    fd.l = float32_sqrt(fa.f, &env->fp_status);
    flags = get_float_exception_flags(&env->fp_status);
    update_fpu_flags(env, flags);

    return fd.l;
}
Exemple #4
0
void do_vfp_sqrts(void)
{
    FT0s = float32_sqrt(FT0s, &env->vfp.fp_status);
}
Exemple #5
0
unsigned int SingleCPDO(const unsigned int opcode)
{
   FPA11 *fpa11 = GET_FPA11();
   float32 rFm, rFn = float32_zero;
   unsigned int Fd, Fm, Fn, nRc = 1;

   Fm = getFm(opcode);
   if (CONSTANT_FM(opcode))
   {
     rFm = getSingleConstant(Fm);
   }
   else
   {
     switch (fpa11->fType[Fm])
     {
        case typeSingle:
          rFm = fpa11->fpreg[Fm].fSingle;
        break;

        default: return 0;
     }
   }

   if (!MONADIC_INSTRUCTION(opcode))
   {
      Fn = getFn(opcode);
      switch (fpa11->fType[Fn])
      {
        case typeSingle:
          rFn = fpa11->fpreg[Fn].fSingle;
        break;

        default: return 0;
      }
   }

   Fd = getFd(opcode);
   switch (opcode & MASK_ARITHMETIC_OPCODE)
   {
      /* dyadic opcodes */
      case ADF_CODE:
         fpa11->fpreg[Fd].fSingle = float32_add(rFn,rFm, &fpa11->fp_status);
      break;

      case MUF_CODE:
      case FML_CODE:
        fpa11->fpreg[Fd].fSingle = float32_mul(rFn,rFm, &fpa11->fp_status);
      break;

      case SUF_CODE:
         fpa11->fpreg[Fd].fSingle = float32_sub(rFn,rFm, &fpa11->fp_status);
      break;

      case RSF_CODE:
         fpa11->fpreg[Fd].fSingle = float32_sub(rFm,rFn, &fpa11->fp_status);
      break;

      case DVF_CODE:
      case FDV_CODE:
         fpa11->fpreg[Fd].fSingle = float32_div(rFn,rFm, &fpa11->fp_status);
      break;

      case RDF_CODE:
      case FRD_CODE:
         fpa11->fpreg[Fd].fSingle = float32_div(rFm,rFn, &fpa11->fp_status);
      break;

#if 0
      case POW_CODE:
         fpa11->fpreg[Fd].fSingle = float32_pow(rFn,rFm);
      break;

      case RPW_CODE:
         fpa11->fpreg[Fd].fSingle = float32_pow(rFm,rFn);
      break;
#endif

      case RMF_CODE:
         fpa11->fpreg[Fd].fSingle = float32_rem(rFn,rFm, &fpa11->fp_status);
      break;

#if 0
      case POL_CODE:
         fpa11->fpreg[Fd].fSingle = float32_pol(rFn,rFm);
      break;
#endif

      /* monadic opcodes */
      case MVF_CODE:
         fpa11->fpreg[Fd].fSingle = rFm;
      break;

      case MNF_CODE:
         fpa11->fpreg[Fd].fSingle = float32_chs(rFm);
      break;

      case ABS_CODE:
         fpa11->fpreg[Fd].fSingle = float32_abs(rFm);
      break;

      case RND_CODE:
      case URD_CODE:
         fpa11->fpreg[Fd].fSingle = float32_round_to_int(rFm, &fpa11->fp_status);
      break;

      case SQT_CODE:
         fpa11->fpreg[Fd].fSingle = float32_sqrt(rFm, &fpa11->fp_status);
      break;

#if 0
      case LOG_CODE:
         fpa11->fpreg[Fd].fSingle = float32_log(rFm);
      break;

      case LGN_CODE:
         fpa11->fpreg[Fd].fSingle = float32_ln(rFm);
      break;

      case EXP_CODE:
         fpa11->fpreg[Fd].fSingle = float32_exp(rFm);
      break;

      case SIN_CODE:
         fpa11->fpreg[Fd].fSingle = float32_sin(rFm);
      break;

      case COS_CODE:
         fpa11->fpreg[Fd].fSingle = float32_cos(rFm);
      break;

      case TAN_CODE:
         fpa11->fpreg[Fd].fSingle = float32_tan(rFm);
      break;

      case ASN_CODE:
         fpa11->fpreg[Fd].fSingle = float32_arcsin(rFm);
      break;

      case ACS_CODE:
         fpa11->fpreg[Fd].fSingle = float32_arccos(rFm);
      break;

      case ATN_CODE:
         fpa11->fpreg[Fd].fSingle = float32_arctan(rFm);
      break;
#endif

      case NRM_CODE:
      break;

      default:
      {
        nRc = 0;
      }
   }

   if (0 != nRc) fpa11->fType[Fd] = typeSingle;
   return nRc;
}