fixed s_roundPackToF32/64 and removed unused softfloat files

Author: ZERICO2005

src/softfloat/i64_to_f64.c

@@ -46,9 +46,7 @@ float32_t
     uint_fast8_t roundingMode;
     bool roundNearEven;
     uint_fast8_t roundIncrement, roundBits;
-    #if 0
     bool isTiny;
-    #endif
     uint_fast32_t uiZ;
     union ui32_f32 uZ;
 
@@ -71,34 +69,27 @@ float32_t
         if ( exp < 0 ) {
             /*----------------------------------------------------------------
             *----------------------------------------------------------------*/
-            #if 0
             isTiny =
                 (softfloat_detectTininess == softfloat_tininess_beforeRounding)
                     || (exp < -1) || (sig + roundIncrement < 0x80000000);
-            #endif
             sig = softfloat_shiftRightJam32( sig, -exp );
             exp = 0;
             roundBits = sig & 0x7F;
-            #if 0
             if ( isTiny && roundBits ) {
                 softfloat_raiseFlags( softfloat_flag_underflow );
             }
-            #endif
         } else if ( (0xFD < exp) || (0x80000000 <= sig + roundIncrement) ) {
             /*----------------------------------------------------------------
             *----------------------------------------------------------------*/
-            #if 0
             softfloat_raiseFlags(
                 softfloat_flag_overflow | softfloat_flag_inexact );
-            #endif
             uiZ = packToF32UI( sign, 0xFF, 0 ) - ! roundIncrement;
             goto uiZ;
         }
     }
     /*------------------------------------------------------------------------
     *------------------------------------------------------------------------*/
     sig = (sig + roundIncrement)>>7;
-    #if 0
     if ( roundBits ) {
         softfloat_exceptionFlags |= softfloat_flag_inexact;
 #ifdef SOFTFLOAT_ROUND_ODD
@@ -108,14 +99,13 @@ float32_t
         }
 #endif
     }
-    #endif
     sig &= ~(uint_fast32_t) (! (roundBits ^ 0x40) & roundNearEven);
     if ( ! sig ) exp = 0;
     /*------------------------------------------------------------------------
     *------------------------------------------------------------------------*/
- #if 0
+#if SOFTFLOAT_ROUND_ODD
  packReturn:
- #endif
+#endif
     uiZ = packToF32UI( sign, exp, sig );
  uiZ:
     uZ.ui = uiZ;

src/softfloat/s_roundPackToF32.c

@@ -46,9 +46,7 @@ float64_t
     uint_fast8_t roundingMode;
     bool roundNearEven;
     uint_fast16_t roundIncrement, roundBits;
-    #if 0
     bool isTiny;
-    #endif
     uint_fast64_t uiZ;
     union ui64_f64 uZ;
 
@@ -71,20 +69,16 @@ float64_t
         if ( exp < 0 ) {
             /*----------------------------------------------------------------
             *----------------------------------------------------------------*/
-            #if 0
             isTiny =
                 (softfloat_detectTininess == softfloat_tininess_beforeRounding)
                     || (exp < -1)
                     || (sig + roundIncrement < UINT64_C( 0x8000000000000000 ));
-            #endif
             sig = softfloat_shiftRightJam64( sig, -exp );
             exp = 0;
             roundBits = sig & 0x3FF;
-            #if 0
             if ( isTiny && roundBits ) {
                 softfloat_raiseFlags( softfloat_flag_underflow );
             }
-            #endif
         } else if (
             (0x7FD < exp)
                 || (UINT64_C( 0x8000000000000000 ) <= sig + roundIncrement)
@@ -113,9 +107,9 @@ float64_t
     if ( ! sig ) exp = 0;
     /*------------------------------------------------------------------------
     *------------------------------------------------------------------------*/
- #if 0
+#if SOFTFLOAT_ROUND_ODD
  packReturn:
- #endif
+#endif
     uiZ = packToF64UI( sign, exp, sig );
  uiZ:
     uZ.ui = uiZ;