コード例 #1
0
ファイル: op_helper.c プロジェクト: Flyalay/kernel-qemu-pci
float64 helper_fmul_DT(CPUSH4State *env, float64 t0, float64 t1)
{
    set_float_exception_flags(0, &env->fp_status);
    t0 = float64_mul(t0, t1, &env->fp_status);
    update_fpscr(env, GETPC());
    return t0;
}
コード例 #2
0
ファイル: dfmul.c プロジェクト: STFleming/StitchUp
int
main ()
{
  int main_result;
  int i;
  float64 x1, x2;
      main_result = 0;
      for (i = 0; i < N; i++)
	{
	  float64 result;
	  x1 = a_input[i];
	  x2 = b_input[i];
	  result = float64_mul (x1, x2);
	  main_result += (result == z_output[i]);

	  printf
	    ("a_input=%016llx b_input=%016llx expected=%016llx output=%016llx\n",
	     a_input[i], b_input[i], z_output[i], result);
	}
      //printf ("Result: %d\n", main_result);
      //if (main_result == 20) {
      //    printf("RESULT: PASS\n");
      //} else {
      //    printf("RESULT: FAIL\n");
      //}
      return main_result;
    }
コード例 #3
0
ファイル: fpu_helper.c プロジェクト: frenchleaf/qemu
/* 64-bit FP multiply and subtract RR */
void HELPER(msdbr)(CPUS390XState *env, uint32_t f1, uint32_t f3, uint32_t f2)
{
    HELPER_LOG("%s: f1 %d f2 %d f3 %d\n", __func__, f1, f2, f3);
    env->fregs[f1].d = float64_sub(float64_mul(env->fregs[f2].d,
                                               env->fregs[f3].d,
                                               &env->fpu_status),
                                   env->fregs[f1].d, &env->fpu_status);
}
コード例 #4
0
ファイル: op_helper.c プロジェクト: Leecheolhee/VSSIM
uint64_t helper_fmul_DT(uint64_t t0, uint64_t t1)
{
    CPU_DoubleU d0, d1;
    d0.ll = t0;
    d1.ll = t1;
    d0.d = float64_mul(d0.d, d1.d, &env->fp_status);
    return d0.ll;
}
コード例 #5
0
ファイル: vec_helper.c プロジェクト: mcayland/qemu
static float64 float64_ftsmul(float64 op1, uint64_t op2, float_status *stat)
{
    float64 result = float64_mul(op1, op1, stat);
    if (!float64_is_any_nan(result)) {
        result = float64_set_sign(result, op2 & 1);
    }
    return result;
}
コード例 #6
0
ファイル: df.c プロジェクト: eddiehung/dox-legup
float64 float64_sin(float64 rad) {
    float64 app;
    float64 diff;
    float64 m_rad2;
    int inc;

    app = diff = rad;
    inc = 1;
    m_rad2 = float64_neg(float64_mul(rad, rad, 3));
    do {
        diff = float64_div(float64_mul(diff, m_rad2, 3),
                           int32_to_float64((2 * inc) * (2 * inc + 1)), 3);
        app = float64_add(app, diff, 3);
        inc++;
    } while (
        float64_ge(float64_abs(diff), 0x3ee4f8b588e368f1ULL, 3)); /* 0.00001 */
    return app;
}
コード例 #7
0
ファイル: fpu_helper.c プロジェクト: frenchleaf/qemu
/* 64-bit FP multiplication RM */
void HELPER(mdb)(CPUS390XState *env, uint32_t f1, uint64_t a2)
{
    float64 v1 = env->fregs[f1].d;
    CPU_DoubleU v2;

    v2.ll = cpu_ldq_data(env, a2);
    HELPER_LOG("%s: multiplying 0x%lx from f%d and 0x%ld\n", __func__,
               v1, f1, v2.d);
    env->fregs[f1].d = float64_mul(v1, v2.d, &env->fpu_status);
}
コード例 #8
0
ファイル: fpu_helper.c プロジェクト: frenchleaf/qemu
/* 64-bit FP multiply and add RM */
void HELPER(madb)(CPUS390XState *env, uint32_t f1, uint64_t a2, uint32_t f3)
{
    CPU_DoubleU v2;

    HELPER_LOG("%s: f1 %d a2 0x%lx f3 %d\n", __func__, f1, a2, f3);
    v2.ll = cpu_ldq_data(env, a2);
    env->fregs[f1].d = float64_add(env->fregs[f1].d,
                                   float64_mul(v2.d, env->fregs[f3].d,
                                               &env->fpu_status),
                                   &env->fpu_status);
}
コード例 #9
0
ファイル: helper-a64.c プロジェクト: 01org/qemu-lite
float64 HELPER(vfp_mulxd)(float64 a, float64 b, void *fpstp)
{
    float_status *fpst = fpstp;

    a = float64_squash_input_denormal(a, fpst);
    b = float64_squash_input_denormal(b, fpst);

    if ((float64_is_zero(a) && float64_is_infinity(b)) ||
        (float64_is_infinity(a) && float64_is_zero(b))) {
        /* 2.0 with the sign bit set to sign(A) XOR sign(B) */
        return make_float64((1ULL << 62) |
                            ((float64_val(a) ^ float64_val(b)) & (1ULL << 63)));
    }
    return float64_mul(a, b, fpst);
}
コード例 #10
0
ファイル: df.c プロジェクト: eddiehung/dox-legup
void *mult() {

    int i, main_result = 0;
    //#pragma omp parallel for num_threads(OMP_ACCEL) private(i)
    for (i = 0; i < mulN; i++) {
        float64 result;
        // tid = omp_get_thread_num();
        float64 x1 = mul_a_input[i];
        float64 x2 = mul_b_input[i];
        result = float64_mul(x1, x2, 1);
        if (result != mul_z_output[i])
            printf("result = %lld, expected = %lld\n", result, mul_z_output[i]);
        main_result += (result == mul_z_output[i]);
        // temp[tid] += (result == mul_z_output[i]);
    }

    printf("mult result = %d\n", main_result);
    pthread_exit((void *)main_result);
}
コード例 #11
0
ファイル: dfmul.c プロジェクト: RCSL-HKUST/heterosim
int
main ()
{
  int main_result;


 
  int i,m,n,a; 

   m= 16; n= 8;
 
   main_result = 0;

      for (i = 0; i < N; i++)
	{
	  
	  buff[i*2+0] = a_input[i];
	  buff[i*2+1] = b_input[i];
        } 

       *((volatile unsigned int *)0xf000f008) = (unsigned int)(&buff[0]);
       *((volatile unsigned int *)0xf000f00C) = 2*N*8;  
    
       for(i=0;i<N;i++)
	{  a = float64_mul (&buff[2*i], m, &result[i], n);
	}  

       for(i=0;i<N;i++)
         {
          //printf("%llx ",result[i]); 
          main_result += (result[i] != z_output[i]);
         }

	 // printf
	 //   ("a_input=%016llx b_input=%016llx expected=%016llx output=%016llx (%lf)\n",
	 //    a_input[i], b_input[i], z_output[i], result,
	 //    ullong_to_double (result));

      printf ("%d\n", main_result);
      return main_result;
    }
コード例 #12
0
ファイル: dfmul.c プロジェクト: Harika285/MIPS-Simulator
int
main ()
{
  int main_result;
  int i;
  float64 x1, x2;
      main_result = 0;
      for (i = 0; i < N; i++)
	{
	  float64 result;
	  x1 = a_input[i];
	  x2 = b_input[i];
	  result = float64_mul (x1, x2);
	  main_result += (result != z_output[i]);

	  printf
	    ("a_input=%016llx b_input=%016llx expected=%016llx output=%016llx (%lf)\n",
	     a_input[i], b_input[i], z_output[i], result,
	     ullong_to_double (result));
	}
      printf ("%d\n", main_result);
      return main_result;
    }
コード例 #13
0
ファイル: fpu_helper.c プロジェクト: frenchleaf/qemu
/* 64-bit FP multiplication RR */
void HELPER(mdbr)(CPUS390XState *env, uint32_t f1, uint32_t f2)
{
    env->fregs[f1].d = float64_mul(env->fregs[f1].d, env->fregs[f2].d,
                                   &env->fpu_status);
}
コード例 #14
0
ファイル: gcc_softfloat.c プロジェクト: mwilbur/minix
float64 __muldf3(float64 A, float64 B)
{
	return float64_mul(A, B);
}
コード例 #15
0
unsigned int DoubleCPDO(const unsigned int opcode)
{
   float64 rFm, rFn;
   unsigned int Fd, Fm, Fn, nRc = 1;

   //printk("DoubleCPDO(0x%08x)\n",opcode);
   
   Fm = getFm(opcode);
   if (CONSTANT_FM(opcode))
   {
     rFm = getDoubleConstant(Fm);
   }
   else
   {  
     switch (fpa11->fType[Fm])
     {
        case typeSingle:
          rFm = float32_to_float64(fpa11->fpreg[Fm].fSingle);
        break;

        case typeDouble:
          rFm = fpa11->fpreg[Fm].fDouble;
          break;

        case typeExtended:
            // !! patb
	    //printk("not implemented! why not?\n");
            //!! ScottB
            // should never get here, if extended involved
            // then other operand should be promoted then
            // ExtendedCPDO called.
            break;

        default: return 0;
     }
   }

   if (!MONADIC_INSTRUCTION(opcode))
   {
      Fn = getFn(opcode);
      switch (fpa11->fType[Fn])
      {
        case typeSingle:
          rFn = float32_to_float64(fpa11->fpreg[Fn].fSingle);
        break;

        case typeDouble:
          rFn = fpa11->fpreg[Fn].fDouble;
        break;
        
        default: return 0;
      }
   }

   Fd = getFd(opcode);
   /* !! this switch isn't optimized; better (opcode & MASK_ARITHMETIC_OPCODE)>>24, sort of */
   switch (opcode & MASK_ARITHMETIC_OPCODE)
   {
      /* dyadic opcodes */
      case ADF_CODE:
         fpa11->fpreg[Fd].fDouble = float64_add(rFn,rFm);
      break;

      case MUF_CODE:
      case FML_CODE:
         fpa11->fpreg[Fd].fDouble = float64_mul(rFn,rFm);
      break;

      case SUF_CODE:
         fpa11->fpreg[Fd].fDouble = float64_sub(rFn,rFm);
      break;

      case RSF_CODE:
         fpa11->fpreg[Fd].fDouble = float64_sub(rFm,rFn);
      break;

      case DVF_CODE:
      case FDV_CODE:
         fpa11->fpreg[Fd].fDouble = float64_div(rFn,rFm);
      break;

      case RDF_CODE:
      case FRD_CODE:
         fpa11->fpreg[Fd].fDouble = float64_div(rFm,rFn);
      break;

#if 0
      case POW_CODE:
         fpa11->fpreg[Fd].fDouble = float64_pow(rFn,rFm);
      break;

      case RPW_CODE:
         fpa11->fpreg[Fd].fDouble = float64_pow(rFm,rFn);
      break;
#endif

      case RMF_CODE:
         fpa11->fpreg[Fd].fDouble = float64_rem(rFn,rFm);
      break;

#if 0
      case POL_CODE:
         fpa11->fpreg[Fd].fDouble = float64_pol(rFn,rFm);
      break;
#endif

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

      case MNF_CODE:
      {
         unsigned int *p = (unsigned int*)&rFm;
         p[1] ^= 0x80000000;
         fpa11->fpreg[Fd].fDouble = rFm;
      }
      break;

      case ABS_CODE:
      {
         unsigned int *p = (unsigned int*)&rFm;
         p[1] &= 0x7fffffff;
         fpa11->fpreg[Fd].fDouble = rFm;
      }
      break;

      case RND_CODE:
      case URD_CODE:
         fpa11->fpreg[Fd].fDouble = 
             int32_to_float64(float64_to_int32(rFm));
      break;

      case SQT_CODE:
         fpa11->fpreg[Fd].fDouble = float64_sqrt(rFm);
      break;

#if 0
      case LOG_CODE:
         fpa11->fpreg[Fd].fDouble = float64_log(rFm);
      break;

      case LGN_CODE:
         fpa11->fpreg[Fd].fDouble = float64_ln(rFm);
      break;

      case EXP_CODE:
         fpa11->fpreg[Fd].fDouble = float64_exp(rFm);
      break;

      case SIN_CODE:
         fpa11->fpreg[Fd].fDouble = float64_sin(rFm);
      break;

      case COS_CODE:
         fpa11->fpreg[Fd].fDouble = float64_cos(rFm);
      break;

      case TAN_CODE:
         fpa11->fpreg[Fd].fDouble = float64_tan(rFm);
      break;

      case ASN_CODE:
         fpa11->fpreg[Fd].fDouble = float64_arcsin(rFm);
      break;

      case ACS_CODE:
         fpa11->fpreg[Fd].fDouble = float64_arccos(rFm);
      break;

      case ATN_CODE:
         fpa11->fpreg[Fd].fDouble = float64_arctan(rFm);
      break;
#endif

      case NRM_CODE:
      break;
      
      default:
      {
        nRc = 0;
      }
   }

   if (0 != nRc) fpa11->fType[Fd] = typeDouble;
   return nRc;
}
コード例 #16
0
float64 float64_pow(float64 rFn,float64 rFm)
{
  return float64_exp(float64_mul(rFm,float64_ln(rFn))); 
}