diff --git a/fpu/softfloat-macros.h b/fpu/softfloat-macros.h
index 54c0bad..3128e60 100644
--- a/fpu/softfloat-macros.h
+++ b/fpu/softfloat-macros.h
@@ -44,9 +44,9 @@ these four paragraphs for those parts of this code that are retained.
 | The result is stored in the location pointed to by `zPtr'.
 *----------------------------------------------------------------------------*/
 
-INLINE void shift32RightJamming( bits32 a, int16 count, bits32 *zPtr )
+INLINE void shift32RightJamming( uint32_t a, int16 count, uint32_t *zPtr )
 {
-    bits32 z;
+    uint32_t z;
 
     if ( count == 0 ) {
         z = a;
@@ -70,9 +70,9 @@ INLINE void shift32RightJamming( bits32 a, int16 count, bits32 *zPtr )
 | The result is stored in the location pointed to by `zPtr'.
 *----------------------------------------------------------------------------*/
 
-INLINE void shift64RightJamming( bits64 a, int16 count, bits64 *zPtr )
+INLINE void shift64RightJamming( uint64_t a, int16 count, uint64_t *zPtr )
 {
-    bits64 z;
+    uint64_t z;
 
     if ( count == 0 ) {
         z = a;
@@ -106,9 +106,9 @@ INLINE void shift64RightJamming( bits64 a, int16 count, bits64 *zPtr )
 
 INLINE void
  shift64ExtraRightJamming(
-     bits64 a0, bits64 a1, int16 count, bits64 *z0Ptr, bits64 *z1Ptr )
+     uint64_t a0, uint64_t a1, int16 count, uint64_t *z0Ptr, uint64_t *z1Ptr )
 {
-    bits64 z0, z1;
+    uint64_t z0, z1;
     int8 negCount = ( - count ) & 63;
 
     if ( count == 0 ) {
@@ -143,9 +143,9 @@ INLINE void
 
 INLINE void
  shift128Right(
-     bits64 a0, bits64 a1, int16 count, bits64 *z0Ptr, bits64 *z1Ptr )
+     uint64_t a0, uint64_t a1, int16 count, uint64_t *z0Ptr, uint64_t *z1Ptr )
 {
-    bits64 z0, z1;
+    uint64_t z0, z1;
     int8 negCount = ( - count ) & 63;
 
     if ( count == 0 ) {
@@ -178,9 +178,9 @@ INLINE void
 
 INLINE void
  shift128RightJamming(
-     bits64 a0, bits64 a1, int16 count, bits64 *z0Ptr, bits64 *z1Ptr )
+     uint64_t a0, uint64_t a1, int16 count, uint64_t *z0Ptr, uint64_t *z1Ptr )
 {
-    bits64 z0, z1;
+    uint64_t z0, z1;
     int8 negCount = ( - count ) & 63;
 
     if ( count == 0 ) {
@@ -229,16 +229,16 @@ INLINE void
 
 INLINE void
  shift128ExtraRightJamming(
-     bits64 a0,
-     bits64 a1,
-     bits64 a2,
+     uint64_t a0,
+     uint64_t a1,
+     uint64_t a2,
      int16 count,
-     bits64 *z0Ptr,
-     bits64 *z1Ptr,
-     bits64 *z2Ptr
+     uint64_t *z0Ptr,
+     uint64_t *z1Ptr,
+     uint64_t *z2Ptr
  )
 {
-    bits64 z0, z1, z2;
+    uint64_t z0, z1, z2;
     int8 negCount = ( - count ) & 63;
 
     if ( count == 0 ) {
@@ -287,7 +287,7 @@ INLINE void
 
 INLINE void
  shortShift128Left(
-     bits64 a0, bits64 a1, int16 count, bits64 *z0Ptr, bits64 *z1Ptr )
+     uint64_t a0, uint64_t a1, int16 count, uint64_t *z0Ptr, uint64_t *z1Ptr )
 {
 
     *z1Ptr = a1<<count;
@@ -306,16 +306,16 @@ INLINE void
 
 INLINE void
  shortShift192Left(
-     bits64 a0,
-     bits64 a1,
-     bits64 a2,
+     uint64_t a0,
+     uint64_t a1,
+     uint64_t a2,
      int16 count,
-     bits64 *z0Ptr,
-     bits64 *z1Ptr,
-     bits64 *z2Ptr
+     uint64_t *z0Ptr,
+     uint64_t *z1Ptr,
+     uint64_t *z2Ptr
  )
 {
-    bits64 z0, z1, z2;
+    uint64_t z0, z1, z2;
     int8 negCount;
 
     z2 = a2<<count;
@@ -341,9 +341,9 @@ INLINE void
 
 INLINE void
  add128(
-     bits64 a0, bits64 a1, bits64 b0, bits64 b1, bits64 *z0Ptr, bits64 *z1Ptr )
+     uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1, uint64_t *z0Ptr, uint64_t *z1Ptr )
 {
-    bits64 z1;
+    uint64_t z1;
 
     z1 = a1 + b1;
     *z1Ptr = z1;
@@ -361,18 +361,18 @@ INLINE void
 
 INLINE void
  add192(
-     bits64 a0,
-     bits64 a1,
-     bits64 a2,
-     bits64 b0,
-     bits64 b1,
-     bits64 b2,
-     bits64 *z0Ptr,
-     bits64 *z1Ptr,
-     bits64 *z2Ptr
+     uint64_t a0,
+     uint64_t a1,
+     uint64_t a2,
+     uint64_t b0,
+     uint64_t b1,
+     uint64_t b2,
+     uint64_t *z0Ptr,
+     uint64_t *z1Ptr,
+     uint64_t *z2Ptr
  )
 {
-    bits64 z0, z1, z2;
+    uint64_t z0, z1, z2;
     int8 carry0, carry1;
 
     z2 = a2 + b2;
@@ -399,7 +399,7 @@ INLINE void
 
 INLINE void
  sub128(
-     bits64 a0, bits64 a1, bits64 b0, bits64 b1, bits64 *z0Ptr, bits64 *z1Ptr )
+     uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1, uint64_t *z0Ptr, uint64_t *z1Ptr )
 {
 
     *z1Ptr = a1 - b1;
@@ -417,18 +417,18 @@ INLINE void
 
 INLINE void
  sub192(
-     bits64 a0,
-     bits64 a1,
-     bits64 a2,
-     bits64 b0,
-     bits64 b1,
-     bits64 b2,
-     bits64 *z0Ptr,
-     bits64 *z1Ptr,
-     bits64 *z2Ptr
+     uint64_t a0,
+     uint64_t a1,
+     uint64_t a2,
+     uint64_t b0,
+     uint64_t b1,
+     uint64_t b2,
+     uint64_t *z0Ptr,
+     uint64_t *z1Ptr,
+     uint64_t *z2Ptr
  )
 {
-    bits64 z0, z1, z2;
+    uint64_t z0, z1, z2;
     int8 borrow0, borrow1;
 
     z2 = a2 - b2;
@@ -451,21 +451,21 @@ INLINE void
 | `z0Ptr' and `z1Ptr'.
 *----------------------------------------------------------------------------*/
 
-INLINE void mul64To128( bits64 a, bits64 b, bits64 *z0Ptr, bits64 *z1Ptr )
+INLINE void mul64To128( uint64_t a, uint64_t b, uint64_t *z0Ptr, uint64_t *z1Ptr )
 {
-    bits32 aHigh, aLow, bHigh, bLow;
-    bits64 z0, zMiddleA, zMiddleB, z1;
+    uint32_t aHigh, aLow, bHigh, bLow;
+    uint64_t z0, zMiddleA, zMiddleB, z1;
 
     aLow = a;
     aHigh = a>>32;
     bLow = b;
     bHigh = b>>32;
-    z1 = ( (bits64) aLow ) * bLow;
-    zMiddleA = ( (bits64) aLow ) * bHigh;
-    zMiddleB = ( (bits64) aHigh ) * bLow;
-    z0 = ( (bits64) aHigh ) * bHigh;
+    z1 = ( (uint64_t) aLow ) * bLow;
+    zMiddleA = ( (uint64_t) aLow ) * bHigh;
+    zMiddleB = ( (uint64_t) aHigh ) * bLow;
+    z0 = ( (uint64_t) aHigh ) * bHigh;
     zMiddleA += zMiddleB;
-    z0 += ( ( (bits64) ( zMiddleA < zMiddleB ) )<<32 ) + ( zMiddleA>>32 );
+    z0 += ( ( (uint64_t) ( zMiddleA < zMiddleB ) )<<32 ) + ( zMiddleA>>32 );
     zMiddleA <<= 32;
     z1 += zMiddleA;
     z0 += ( z1 < zMiddleA );
@@ -483,15 +483,15 @@ INLINE void mul64To128( bits64 a, bits64 b, bits64 *z0Ptr, bits64 *z1Ptr )
 
 INLINE void
  mul128By64To192(
-     bits64 a0,
-     bits64 a1,
-     bits64 b,
-     bits64 *z0Ptr,
-     bits64 *z1Ptr,
-     bits64 *z2Ptr
+     uint64_t a0,
+     uint64_t a1,
+     uint64_t b,
+     uint64_t *z0Ptr,
+     uint64_t *z1Ptr,
+     uint64_t *z2Ptr
  )
 {
-    bits64 z0, z1, z2, more1;
+    uint64_t z0, z1, z2, more1;
 
     mul64To128( a1, b, &z1, &z2 );
     mul64To128( a0, b, &z0, &more1 );
@@ -511,18 +511,18 @@ INLINE void
 
 INLINE void
  mul128To256(
-     bits64 a0,
-     bits64 a1,
-     bits64 b0,
-     bits64 b1,
-     bits64 *z0Ptr,
-     bits64 *z1Ptr,
-     bits64 *z2Ptr,
-     bits64 *z3Ptr
+     uint64_t a0,
+     uint64_t a1,
+     uint64_t b0,
+     uint64_t b1,
+     uint64_t *z0Ptr,
+     uint64_t *z1Ptr,
+     uint64_t *z2Ptr,
+     uint64_t *z3Ptr
  )
 {
-    bits64 z0, z1, z2, z3;
-    bits64 more1, more2;
+    uint64_t z0, z1, z2, z3;
+    uint64_t more1, more2;
 
     mul64To128( a1, b1, &z2, &z3 );
     mul64To128( a1, b0, &z1, &more2 );
@@ -548,18 +548,18 @@ INLINE void
 | unsigned integer is returned.
 *----------------------------------------------------------------------------*/
 
-static bits64 estimateDiv128To64( bits64 a0, bits64 a1, bits64 b )
+static uint64_t estimateDiv128To64( uint64_t a0, uint64_t a1, uint64_t b )
 {
-    bits64 b0, b1;
-    bits64 rem0, rem1, term0, term1;
-    bits64 z;
+    uint64_t b0, b1;
+    uint64_t rem0, rem1, term0, term1;
+    uint64_t z;
 
     if ( b <= a0 ) return LIT64( 0xFFFFFFFFFFFFFFFF );
     b0 = b>>32;
     z = ( b0<<32 <= a0 ) ? LIT64( 0xFFFFFFFF00000000 ) : ( a0 / b0 )<<32;
     mul64To128( b, z, &term0, &term1 );
     sub128( a0, a1, term0, term1, &rem0, &rem1 );
-    while ( ( (sbits64) rem0 ) < 0 ) {
+    while ( ( (int64_t) rem0 ) < 0 ) {
         z -= LIT64( 0x100000000 );
         b1 = b<<32;
         add128( rem0, rem1, b0, b1, &rem0, &rem1 );
@@ -580,18 +580,18 @@ static bits64 estimateDiv128To64( bits64 a0, bits64 a1, bits64 b )
 | value.
 *----------------------------------------------------------------------------*/
 
-static bits32 estimateSqrt32( int16 aExp, bits32 a )
+static uint32_t estimateSqrt32( int16 aExp, uint32_t a )
 {
-    static const bits16 sqrtOddAdjustments[] = {
+    static const uint16_t sqrtOddAdjustments[] = {
         0x0004, 0x0022, 0x005D, 0x00B1, 0x011D, 0x019F, 0x0236, 0x02E0,
         0x039C, 0x0468, 0x0545, 0x0631, 0x072B, 0x0832, 0x0946, 0x0A67
     };
-    static const bits16 sqrtEvenAdjustments[] = {
+    static const uint16_t sqrtEvenAdjustments[] = {
         0x0A2D, 0x08AF, 0x075A, 0x0629, 0x051A, 0x0429, 0x0356, 0x029E,
         0x0200, 0x0179, 0x0109, 0x00AF, 0x0068, 0x0034, 0x0012, 0x0002
     };
     int8 index;
-    bits32 z;
+    uint32_t z;
 
     index = ( a>>27 ) & 15;
     if ( aExp & 1 ) {
@@ -603,9 +603,9 @@ static bits32 estimateSqrt32( int16 aExp, bits32 a )
         z = 0x8000 + ( a>>17 ) - sqrtEvenAdjustments[ (int)index ];
         z = a / z + z;
         z = ( 0x20000 <= z ) ? 0xFFFF8000 : ( z<<15 );
-        if ( z <= a ) return (bits32) ( ( (sbits32) a )>>1 );
+        if ( z <= a ) return (uint32_t) ( ( (int32_t) a )>>1 );
     }
-    return ( (bits32) ( ( ( (bits64) a )<<31 ) / z ) ) + ( z>>1 );
+    return ( (uint32_t) ( ( ( (uint64_t) a )<<31 ) / z ) ) + ( z>>1 );
 
 }
 
@@ -614,7 +614,7 @@ static bits32 estimateSqrt32( int16 aExp, bits32 a )
 | `a'.  If `a' is zero, 32 is returned.
 *----------------------------------------------------------------------------*/
 
-static int8 countLeadingZeros32( bits32 a )
+static int8 countLeadingZeros32( uint32_t a )
 {
     static const int8 countLeadingZerosHigh[] = {
         8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
@@ -655,12 +655,12 @@ static int8 countLeadingZeros32( bits32 a )
 | `a'.  If `a' is zero, 64 is returned.
 *----------------------------------------------------------------------------*/
 
-static int8 countLeadingZeros64( bits64 a )
+static int8 countLeadingZeros64( uint64_t a )
 {
     int8 shiftCount;
 
     shiftCount = 0;
-    if ( a < ( (bits64) 1 )<<32 ) {
+    if ( a < ( (uint64_t) 1 )<<32 ) {
         shiftCount += 32;
     }
     else {
@@ -677,7 +677,7 @@ static int8 countLeadingZeros64( bits64 a )
 | Otherwise, returns 0.
 *----------------------------------------------------------------------------*/
 
-INLINE flag eq128( bits64 a0, bits64 a1, bits64 b0, bits64 b1 )
+INLINE flag eq128( uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1 )
 {
 
     return ( a0 == b0 ) && ( a1 == b1 );
@@ -690,7 +690,7 @@ INLINE flag eq128( bits64 a0, bits64 a1, bits64 b0, bits64 b1 )
 | Otherwise, returns 0.
 *----------------------------------------------------------------------------*/
 
-INLINE flag le128( bits64 a0, bits64 a1, bits64 b0, bits64 b1 )
+INLINE flag le128( uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1 )
 {
 
     return ( a0 < b0 ) || ( ( a0 == b0 ) && ( a1 <= b1 ) );
@@ -703,7 +703,7 @@ INLINE flag le128( bits64 a0, bits64 a1, bits64 b0, bits64 b1 )
 | returns 0.
 *----------------------------------------------------------------------------*/
 
-INLINE flag lt128( bits64 a0, bits64 a1, bits64 b0, bits64 b1 )
+INLINE flag lt128( uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1 )
 {
 
     return ( a0 < b0 ) || ( ( a0 == b0 ) && ( a1 < b1 ) );
@@ -716,7 +716,7 @@ INLINE flag lt128( bits64 a0, bits64 a1, bits64 b0, bits64 b1 )
 | Otherwise, returns 0.
 *----------------------------------------------------------------------------*/
 
-INLINE flag ne128( bits64 a0, bits64 a1, bits64 b0, bits64 b1 )
+INLINE flag ne128( uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1 )
 {
 
     return ( a0 != b0 ) || ( a1 != b1 );
diff --git a/fpu/softfloat-native.c b/fpu/softfloat-native.c
index 008bb53..50355a4 100644
--- a/fpu/softfloat-native.c
+++ b/fpu/softfloat-native.c
@@ -418,7 +418,7 @@ int float64_is_quiet_nan( float64 a1 )
     u.f = a1;
     a = u.i;
 
-    return ( LIT64( 0xFFF0000000000000 ) < (bits64) ( a<<1 ) );
+    return ( LIT64( 0xFFF0000000000000 ) < (uint64_t) ( a<<1 ) );
 
 }
 
@@ -500,7 +500,7 @@ int floatx80_is_signaling_nan( floatx80 a1)
     aLow = u.i.low & ~ LIT64( 0x4000000000000000 );
     return
            ( ( u.i.high & 0x7FFF ) == 0x7FFF )
-        && (bits64) ( aLow<<1 )
+        && (uint64_t) ( aLow<<1 )
         && ( u.i.low == aLow );
 }
 
@@ -508,7 +508,7 @@ int floatx80_is_quiet_nan( floatx80 a1 )
 {
     floatx80u u;
     u.f = a1;
-    return ( ( u.i.high & 0x7FFF ) == 0x7FFF ) && (bits64) ( u.i.low<<1 );
+    return ( ( u.i.high & 0x7FFF ) == 0x7FFF ) && (uint64_t) ( u.i.low<<1 );
 }
 
 #endif
diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h
index 4add93c..4b65de6 100644
--- a/fpu/softfloat-specialize.h
+++ b/fpu/softfloat-specialize.h
@@ -52,7 +52,7 @@ void float_raise( int8 flags STATUS_PARAM )
 *----------------------------------------------------------------------------*/
 typedef struct {
     flag sign;
-    bits64 high, low;
+    uint64_t high, low;
 } commonNaNT;
 
 /*----------------------------------------------------------------------------
@@ -120,7 +120,7 @@ static commonNaNT float16ToCommonNaN( float16 a STATUS_PARAM )
     if ( float16_is_signaling_nan( a ) ) float_raise( float_flag_invalid STATUS_VAR );
     z.sign = float16_val(a) >> 15;
     z.low = 0;
-    z.high = ((bits64) float16_val(a))<<54;
+    z.high = ((uint64_t) float16_val(a))<<54;
     return z;
 }
 
@@ -156,7 +156,7 @@ int float32_is_quiet_nan( float32 a_ )
 #if SNAN_BIT_IS_ONE
     return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF );
 #else
-    return ( 0xFF800000 <= (bits32) ( a<<1 ) );
+    return ( 0xFF800000 <= (uint32_t) ( a<<1 ) );
 #endif
 }
 
@@ -169,7 +169,7 @@ int float32_is_signaling_nan( float32 a_ )
 {
     uint32_t a = float32_val(a_);
 #if SNAN_BIT_IS_ONE
-    return ( 0xFF800000 <= (bits32) ( a<<1 ) );
+    return ( 0xFF800000 <= (uint32_t) ( a<<1 ) );
 #else
     return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF );
 #endif
@@ -190,7 +190,7 @@ float32 float32_maybe_silence_nan( float32 a_ )
 #    error Rules for silencing a signaling NaN are target-specific
 #  endif
 #else
-        bits32 a = float32_val(a_);
+        uint32_t a = float32_val(a_);
         a |= (1 << 22);
         return make_float32(a);
 #endif
@@ -211,7 +211,7 @@ static commonNaNT float32ToCommonNaN( float32 a STATUS_PARAM )
     if ( float32_is_signaling_nan( a ) ) float_raise( float_flag_invalid STATUS_VAR );
     z.sign = float32_val(a)>>31;
     z.low = 0;
-    z.high = ( (bits64) float32_val(a) )<<41;
+    z.high = ( (uint64_t) float32_val(a) )<<41;
     return z;
 }
 
@@ -222,7 +222,7 @@ static commonNaNT float32ToCommonNaN( float32 a STATUS_PARAM )
 
 static float32 commonNaNToFloat32( commonNaNT a STATUS_PARAM)
 {
-    bits32 mantissa = a.high>>41;
+    uint32_t mantissa = a.high>>41;
 
     if ( STATUS(default_nan_mode) ) {
         return float32_default_nan;
@@ -230,7 +230,7 @@ static float32 commonNaNToFloat32( commonNaNT a STATUS_PARAM)
 
     if ( mantissa )
         return make_float32(
-            ( ( (bits32) a.sign )<<31 ) | 0x7F800000 | ( a.high>>41 ) );
+            ( ( (uint32_t) a.sign )<<31 ) | 0x7F800000 | ( a.high>>41 ) );
     else
         return float32_default_nan;
 }
@@ -357,7 +357,7 @@ static float32 propagateFloat32NaN( float32 a, float32 b STATUS_PARAM)
 {
     flag aIsQuietNaN, aIsSignalingNaN, bIsQuietNaN, bIsSignalingNaN;
     flag aIsLargerSignificand;
-    bits32 av, bv;
+    uint32_t av, bv;
 
     aIsQuietNaN = float32_is_quiet_nan( a );
     aIsSignalingNaN = float32_is_signaling_nan( a );
@@ -371,9 +371,9 @@ static float32 propagateFloat32NaN( float32 a, float32 b STATUS_PARAM)
     if ( STATUS(default_nan_mode) )
         return float32_default_nan;
 
-    if ((bits32)(av<<1) < (bits32)(bv<<1)) {
+    if ((uint32_t)(av<<1) < (uint32_t)(bv<<1)) {
         aIsLargerSignificand = 0;
-    } else if ((bits32)(bv<<1) < (bits32)(av<<1)) {
+    } else if ((uint32_t)(bv<<1) < (uint32_t)(av<<1)) {
         aIsLargerSignificand = 1;
     } else {
         aIsLargerSignificand = (av < bv) ? 1 : 0;
@@ -394,13 +394,13 @@ static float32 propagateFloat32NaN( float32 a, float32 b STATUS_PARAM)
 
 int float64_is_quiet_nan( float64 a_ )
 {
-    bits64 a = float64_val(a_);
+    uint64_t a = float64_val(a_);
 #if SNAN_BIT_IS_ONE
     return
            ( ( ( a>>51 ) & 0xFFF ) == 0xFFE )
         && ( a & LIT64( 0x0007FFFFFFFFFFFF ) );
 #else
-    return ( LIT64( 0xFFF0000000000000 ) <= (bits64) ( a<<1 ) );
+    return ( LIT64( 0xFFF0000000000000 ) <= (uint64_t) ( a<<1 ) );
 #endif
 }
 
@@ -411,9 +411,9 @@ int float64_is_quiet_nan( float64 a_ )
 
 int float64_is_signaling_nan( float64 a_ )
 {
-    bits64 a = float64_val(a_);
+    uint64_t a = float64_val(a_);
 #if SNAN_BIT_IS_ONE
-    return ( LIT64( 0xFFF0000000000000 ) <= (bits64) ( a<<1 ) );
+    return ( LIT64( 0xFFF0000000000000 ) <= (uint64_t) ( a<<1 ) );
 #else
     return
            ( ( ( a>>51 ) & 0xFFF ) == 0xFFE )
@@ -436,7 +436,7 @@ float64 float64_maybe_silence_nan( float64 a_ )
 #    error Rules for silencing a signaling NaN are target-specific
 #  endif
 #else
-        bits64 a = float64_val(a_);
+        uint64_t a = float64_val(a_);
         a |= LIT64( 0x0008000000000000 );
         return make_float64(a);
 #endif
@@ -468,7 +468,7 @@ static commonNaNT float64ToCommonNaN( float64 a STATUS_PARAM)
 
 static float64 commonNaNToFloat64( commonNaNT a STATUS_PARAM)
 {
-    bits64 mantissa = a.high>>12;
+    uint64_t mantissa = a.high>>12;
 
     if ( STATUS(default_nan_mode) ) {
         return float64_default_nan;
@@ -476,7 +476,7 @@ static float64 commonNaNToFloat64( commonNaNT a STATUS_PARAM)
 
     if ( mantissa )
         return make_float64(
-              ( ( (bits64) a.sign )<<63 )
+              ( ( (uint64_t) a.sign )<<63 )
             | LIT64( 0x7FF0000000000000 )
             | ( a.high>>12 ));
     else
@@ -493,7 +493,7 @@ static float64 propagateFloat64NaN( float64 a, float64 b STATUS_PARAM)
 {
     flag aIsQuietNaN, aIsSignalingNaN, bIsQuietNaN, bIsSignalingNaN;
     flag aIsLargerSignificand;
-    bits64 av, bv;
+    uint64_t av, bv;
 
     aIsQuietNaN = float64_is_quiet_nan( a );
     aIsSignalingNaN = float64_is_signaling_nan( a );
@@ -507,9 +507,9 @@ static float64 propagateFloat64NaN( float64 a, float64 b STATUS_PARAM)
     if ( STATUS(default_nan_mode) )
         return float64_default_nan;
 
-    if ((bits64)(av<<1) < (bits64)(bv<<1)) {
+    if ((uint64_t)(av<<1) < (uint64_t)(bv<<1)) {
         aIsLargerSignificand = 0;
-    } else if ((bits64)(bv<<1) < (bits64)(av<<1)) {
+    } else if ((uint64_t)(bv<<1) < (uint64_t)(av<<1)) {
         aIsLargerSignificand = 1;
     } else {
         aIsLargerSignificand = (av < bv) ? 1 : 0;
@@ -534,16 +534,16 @@ static float64 propagateFloat64NaN( float64 a, float64 b STATUS_PARAM)
 int floatx80_is_quiet_nan( floatx80 a )
 {
 #if SNAN_BIT_IS_ONE
-    bits64 aLow;
+    uint64_t aLow;
 
     aLow = a.low & ~ LIT64( 0x4000000000000000 );
     return
            ( ( a.high & 0x7FFF ) == 0x7FFF )
-        && (bits64) ( aLow<<1 )
+        && (uint64_t) ( aLow<<1 )
         && ( a.low == aLow );
 #else
     return ( ( a.high & 0x7FFF ) == 0x7FFF )
-        && (LIT64( 0x8000000000000000 ) <= ((bits64) ( a.low<<1 )));
+        && (LIT64( 0x8000000000000000 ) <= ((uint64_t) ( a.low<<1 )));
 #endif
 }
 
@@ -557,14 +557,14 @@ int floatx80_is_signaling_nan( floatx80 a )
 {
 #if SNAN_BIT_IS_ONE
     return ( ( a.high & 0x7FFF ) == 0x7FFF )
-        && (LIT64( 0x8000000000000000 ) <= ((bits64) ( a.low<<1 )));
+        && (LIT64( 0x8000000000000000 ) <= ((uint64_t) ( a.low<<1 )));
 #else
-    bits64 aLow;
+    uint64_t aLow;
 
     aLow = a.low & ~ LIT64( 0x4000000000000000 );
     return
            ( ( a.high & 0x7FFF ) == 0x7FFF )
-        && (bits64) ( aLow<<1 )
+        && (uint64_t) ( aLow<<1 )
         && ( a.low == aLow );
 #endif
 }
@@ -628,7 +628,7 @@ static floatx80 commonNaNToFloatx80( commonNaNT a STATUS_PARAM)
         z.low = a.high;
     else
         z.low = floatx80_default_nan_low;
-    z.high = ( ( (bits16) a.sign )<<15 ) | 0x7FFF;
+    z.high = ( ( (uint16_t) a.sign )<<15 ) | 0x7FFF;
     return z;
 }
 
@@ -689,7 +689,7 @@ int float128_is_quiet_nan( float128 a )
         && ( a.low || ( a.high & LIT64( 0x00007FFFFFFFFFFF ) ) );
 #else
     return
-           ( LIT64( 0xFFFE000000000000 ) <= (bits64) ( a.high<<1 ) )
+           ( LIT64( 0xFFFE000000000000 ) <= (uint64_t) ( a.high<<1 ) )
         && ( a.low || ( a.high & LIT64( 0x0000FFFFFFFFFFFF ) ) );
 #endif
 }
@@ -703,7 +703,7 @@ int float128_is_signaling_nan( float128 a )
 {
 #if SNAN_BIT_IS_ONE
     return
-           ( LIT64( 0xFFFE000000000000 ) <= (bits64) ( a.high<<1 ) )
+           ( LIT64( 0xFFFE000000000000 ) <= (uint64_t) ( a.high<<1 ) )
         && ( a.low || ( a.high & LIT64( 0x0000FFFFFFFFFFFF ) ) );
 #else
     return
@@ -767,7 +767,7 @@ static float128 commonNaNToFloat128( commonNaNT a STATUS_PARAM)
     }
 
     shift128Right( a.high, a.low, 16, &z.high, &z.low );
-    z.high |= ( ( (bits64) a.sign )<<63 ) | LIT64( 0x7FFF000000000000 );
+    z.high |= ( ( (uint64_t) a.sign )<<63 ) | LIT64( 0x7FFF000000000000 );
     return z;
 }
 
diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index e800daa..08e4ae0 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -109,7 +109,7 @@ INLINE flag extractFloat16Sign(float16 a)
 | positive or negative integer is returned.
 *----------------------------------------------------------------------------*/
 
-static int32 roundAndPackInt32( flag zSign, bits64 absZ STATUS_PARAM)
+static int32 roundAndPackInt32( flag zSign, uint64_t absZ STATUS_PARAM)
 {
     int8 roundingMode;
     flag roundNearestEven;
@@ -140,7 +140,7 @@ static int32 roundAndPackInt32( flag zSign, bits64 absZ STATUS_PARAM)
     if ( zSign ) z = - z;
     if ( ( absZ>>32 ) || ( z && ( ( z < 0 ) ^ zSign ) ) ) {
         float_raise( float_flag_invalid STATUS_VAR);
-        return zSign ? (sbits32) 0x80000000 : 0x7FFFFFFF;
+        return zSign ? (int32_t) 0x80000000 : 0x7FFFFFFF;
     }
     if ( roundBits ) STATUS(float_exception_flags) |= float_flag_inexact;
     return z;
@@ -159,7 +159,7 @@ static int32 roundAndPackInt32( flag zSign, bits64 absZ STATUS_PARAM)
 | returned.
 *----------------------------------------------------------------------------*/
 
-static int64 roundAndPackInt64( flag zSign, bits64 absZ0, bits64 absZ1 STATUS_PARAM)
+static int64 roundAndPackInt64( flag zSign, uint64_t absZ0, uint64_t absZ1 STATUS_PARAM)
 {
     int8 roundingMode;
     flag roundNearestEven, increment;
@@ -167,7 +167,7 @@ static int64 roundAndPackInt64( flag zSign, bits64 absZ0, bits64 absZ1 STATUS_PA
 
     roundingMode = STATUS(float_rounding_mode);
     roundNearestEven = ( roundingMode == float_round_nearest_even );
-    increment = ( (sbits64) absZ1 < 0 );
+    increment = ( (int64_t) absZ1 < 0 );
     if ( ! roundNearestEven ) {
         if ( roundingMode == float_round_to_zero ) {
             increment = 0;
@@ -184,7 +184,7 @@ static int64 roundAndPackInt64( flag zSign, bits64 absZ0, bits64 absZ1 STATUS_PA
     if ( increment ) {
         ++absZ0;
         if ( absZ0 == 0 ) goto overflow;
-        absZ0 &= ~ ( ( (bits64) ( absZ1<<1 ) == 0 ) & roundNearestEven );
+        absZ0 &= ~ ( ( (uint64_t) ( absZ1<<1 ) == 0 ) & roundNearestEven );
     }
     z = absZ0;
     if ( zSign ) z = - z;
@@ -192,7 +192,7 @@ static int64 roundAndPackInt64( flag zSign, bits64 absZ0, bits64 absZ1 STATUS_PA
  overflow:
         float_raise( float_flag_invalid STATUS_VAR);
         return
-              zSign ? (sbits64) LIT64( 0x8000000000000000 )
+              zSign ? (int64_t) LIT64( 0x8000000000000000 )
             : LIT64( 0x7FFFFFFFFFFFFFFF );
     }
     if ( absZ1 ) STATUS(float_exception_flags) |= float_flag_inexact;
@@ -204,7 +204,7 @@ static int64 roundAndPackInt64( flag zSign, bits64 absZ0, bits64 absZ1 STATUS_PA
 | Returns the fraction bits of the single-precision floating-point value `a'.
 *----------------------------------------------------------------------------*/
 
-INLINE bits32 extractFloat32Frac( float32 a )
+INLINE uint32_t extractFloat32Frac( float32 a )
 {
 
     return float32_val(a) & 0x007FFFFF;
@@ -256,7 +256,7 @@ static float32 float32_squash_input_denormal(float32 a STATUS_PARAM)
 *----------------------------------------------------------------------------*/
 
 static void
- normalizeFloat32Subnormal( bits32 aSig, int16 *zExpPtr, bits32 *zSigPtr )
+ normalizeFloat32Subnormal( uint32_t aSig, int16 *zExpPtr, uint32_t *zSigPtr )
 {
     int8 shiftCount;
 
@@ -277,11 +277,11 @@ static void
 | significand.
 *----------------------------------------------------------------------------*/
 
-INLINE float32 packFloat32( flag zSign, int16 zExp, bits32 zSig )
+INLINE float32 packFloat32( flag zSign, int16 zExp, uint32_t zSig )
 {
 
     return make_float32(
-          ( ( (bits32) zSign )<<31 ) + ( ( (bits32) zExp )<<23 ) + zSig);
+          ( ( (uint32_t) zSign )<<31 ) + ( ( (uint32_t) zExp )<<23 ) + zSig);
 
 }
 
@@ -307,7 +307,7 @@ INLINE float32 packFloat32( flag zSign, int16 zExp, bits32 zSig )
 | Binary Floating-Point Arithmetic.
 *----------------------------------------------------------------------------*/
 
-static float32 roundAndPackFloat32( flag zSign, int16 zExp, bits32 zSig STATUS_PARAM)
+static float32 roundAndPackFloat32( flag zSign, int16 zExp, uint32_t zSig STATUS_PARAM)
 {
     int8 roundingMode;
     flag roundNearestEven;
@@ -332,10 +332,10 @@ static float32 roundAndPackFloat32( flag zSign, int16 zExp, bits32 zSig STATUS_P
         }
     }
     roundBits = zSig & 0x7F;
-    if ( 0xFD <= (bits16) zExp ) {
+    if ( 0xFD <= (uint16_t) zExp ) {
         if (    ( 0xFD < zExp )
              || (    ( zExp == 0xFD )
-                  && ( (sbits32) ( zSig + roundIncrement ) < 0 ) )
+                  && ( (int32_t) ( zSig + roundIncrement ) < 0 ) )
            ) {
             float_raise( float_flag_overflow | float_flag_inexact STATUS_VAR);
             return packFloat32( zSign, 0xFF, - ( roundIncrement == 0 ));
@@ -370,7 +370,7 @@ static float32 roundAndPackFloat32( flag zSign, int16 zExp, bits32 zSig STATUS_P
 *----------------------------------------------------------------------------*/
 
 static float32
- normalizeRoundAndPackFloat32( flag zSign, int16 zExp, bits32 zSig STATUS_PARAM)
+ normalizeRoundAndPackFloat32( flag zSign, int16 zExp, uint32_t zSig STATUS_PARAM)
 {
     int8 shiftCount;
 
@@ -383,7 +383,7 @@ static float32
 | Returns the fraction bits of the double-precision floating-point value `a'.
 *----------------------------------------------------------------------------*/
 
-INLINE bits64 extractFloat64Frac( float64 a )
+INLINE uint64_t extractFloat64Frac( float64 a )
 {
 
     return float64_val(a) & LIT64( 0x000FFFFFFFFFFFFF );
@@ -435,7 +435,7 @@ static float64 float64_squash_input_denormal(float64 a STATUS_PARAM)
 *----------------------------------------------------------------------------*/
 
 static void
- normalizeFloat64Subnormal( bits64 aSig, int16 *zExpPtr, bits64 *zSigPtr )
+ normalizeFloat64Subnormal( uint64_t aSig, int16 *zExpPtr, uint64_t *zSigPtr )
 {
     int8 shiftCount;
 
@@ -456,11 +456,11 @@ static void
 | significand.
 *----------------------------------------------------------------------------*/
 
-INLINE float64 packFloat64( flag zSign, int16 zExp, bits64 zSig )
+INLINE float64 packFloat64( flag zSign, int16 zExp, uint64_t zSig )
 {
 
     return make_float64(
-        ( ( (bits64) zSign )<<63 ) + ( ( (bits64) zExp )<<52 ) + zSig);
+        ( ( (uint64_t) zSign )<<63 ) + ( ( (uint64_t) zExp )<<52 ) + zSig);
 
 }
 
@@ -486,7 +486,7 @@ INLINE float64 packFloat64( flag zSign, int16 zExp, bits64 zSig )
 | Binary Floating-Point Arithmetic.
 *----------------------------------------------------------------------------*/
 
-static float64 roundAndPackFloat64( flag zSign, int16 zExp, bits64 zSig STATUS_PARAM)
+static float64 roundAndPackFloat64( flag zSign, int16 zExp, uint64_t zSig STATUS_PARAM)
 {
     int8 roundingMode;
     flag roundNearestEven;
@@ -511,10 +511,10 @@ static float64 roundAndPackFloat64( flag zSign, int16 zExp, bits64 zSig STATUS_P
         }
     }
     roundBits = zSig & 0x3FF;
-    if ( 0x7FD <= (bits16) zExp ) {
+    if ( 0x7FD <= (uint16_t) zExp ) {
         if (    ( 0x7FD < zExp )
              || (    ( zExp == 0x7FD )
-                  && ( (sbits64) ( zSig + roundIncrement ) < 0 ) )
+                  && ( (int64_t) ( zSig + roundIncrement ) < 0 ) )
            ) {
             float_raise( float_flag_overflow | float_flag_inexact STATUS_VAR);
             return packFloat64( zSign, 0x7FF, - ( roundIncrement == 0 ));
@@ -549,7 +549,7 @@ static float64 roundAndPackFloat64( flag zSign, int16 zExp, bits64 zSig STATUS_P
 *----------------------------------------------------------------------------*/
 
 static float64
- normalizeRoundAndPackFloat64( flag zSign, int16 zExp, bits64 zSig STATUS_PARAM)
+ normalizeRoundAndPackFloat64( flag zSign, int16 zExp, uint64_t zSig STATUS_PARAM)
 {
     int8 shiftCount;
 
@@ -565,7 +565,7 @@ static float64
 | value `a'.
 *----------------------------------------------------------------------------*/
 
-INLINE bits64 extractFloatx80Frac( floatx80 a )
+INLINE uint64_t extractFloatx80Frac( floatx80 a )
 {
 
     return a.low;
@@ -604,7 +604,7 @@ INLINE flag extractFloatx80Sign( floatx80 a )
 *----------------------------------------------------------------------------*/
 
 static void
- normalizeFloatx80Subnormal( bits64 aSig, int32 *zExpPtr, bits64 *zSigPtr )
+ normalizeFloatx80Subnormal( uint64_t aSig, int32 *zExpPtr, uint64_t *zSigPtr )
 {
     int8 shiftCount;
 
@@ -619,12 +619,12 @@ static void
 | extended double-precision floating-point value, returning the result.
 *----------------------------------------------------------------------------*/
 
-INLINE floatx80 packFloatx80( flag zSign, int32 zExp, bits64 zSig )
+INLINE floatx80 packFloatx80( flag zSign, int32 zExp, uint64_t zSig )
 {
     floatx80 z;
 
     z.low = zSig;
-    z.high = ( ( (bits16) zSign )<<15 ) + zExp;
+    z.high = ( ( (uint16_t) zSign )<<15 ) + zExp;
     return z;
 
 }
@@ -655,7 +655,7 @@ INLINE floatx80 packFloatx80( flag zSign, int32 zExp, bits64 zSig )
 
 static floatx80
  roundAndPackFloatx80(
-     int8 roundingPrecision, flag zSign, int32 zExp, bits64 zSig0, bits64 zSig1
+     int8 roundingPrecision, flag zSign, int32 zExp, uint64_t zSig0, uint64_t zSig1
  STATUS_PARAM)
 {
     int8 roundingMode;
@@ -692,7 +692,7 @@ static floatx80
         }
     }
     roundBits = zSig0 & roundMask;
-    if ( 0x7FFD <= (bits32) ( zExp - 1 ) ) {
+    if ( 0x7FFD <= (uint32_t) ( zExp - 1 ) ) {
         if (    ( 0x7FFE < zExp )
              || ( ( zExp == 0x7FFE ) && ( zSig0 + roundIncrement < zSig0 ) )
            ) {
@@ -710,7 +710,7 @@ static floatx80
             if ( isTiny && roundBits ) float_raise( float_flag_underflow STATUS_VAR);
             if ( roundBits ) STATUS(float_exception_flags) |= float_flag_inexact;
             zSig0 += roundIncrement;
-            if ( (sbits64) zSig0 < 0 ) zExp = 1;
+            if ( (int64_t) zSig0 < 0 ) zExp = 1;
             roundIncrement = roundMask + 1;
             if ( roundNearestEven && ( roundBits<<1 == roundIncrement ) ) {
                 roundMask |= roundIncrement;
@@ -733,7 +733,7 @@ static floatx80
     if ( zSig0 == 0 ) zExp = 0;
     return packFloatx80( zSign, zExp, zSig0 );
  precision80:
-    increment = ( (sbits64) zSig1 < 0 );
+    increment = ( (int64_t) zSig1 < 0 );
     if ( ! roundNearestEven ) {
         if ( roundingMode == float_round_to_zero ) {
             increment = 0;
@@ -747,7 +747,7 @@ static floatx80
             }
         }
     }
-    if ( 0x7FFD <= (bits32) ( zExp - 1 ) ) {
+    if ( 0x7FFD <= (uint32_t) ( zExp - 1 ) ) {
         if (    ( 0x7FFE < zExp )
              || (    ( zExp == 0x7FFE )
                   && ( zSig0 == LIT64( 0xFFFFFFFFFFFFFFFF ) )
@@ -776,7 +776,7 @@ static floatx80
             if ( isTiny && zSig1 ) float_raise( float_flag_underflow STATUS_VAR);
             if ( zSig1 ) STATUS(float_exception_flags) |= float_flag_inexact;
             if ( roundNearestEven ) {
-                increment = ( (sbits64) zSig1 < 0 );
+                increment = ( (int64_t) zSig1 < 0 );
             }
             else {
                 if ( zSign ) {
@@ -789,8 +789,8 @@ static floatx80
             if ( increment ) {
                 ++zSig0;
                 zSig0 &=
-                    ~ ( ( (bits64) ( zSig1<<1 ) == 0 ) & roundNearestEven );
-                if ( (sbits64) zSig0 < 0 ) zExp = 1;
+                    ~ ( ( (uint64_t) ( zSig1<<1 ) == 0 ) & roundNearestEven );
+                if ( (int64_t) zSig0 < 0 ) zExp = 1;
             }
             return packFloatx80( zSign, zExp, zSig0 );
         }
@@ -803,7 +803,7 @@ static floatx80
             zSig0 = LIT64( 0x8000000000000000 );
         }
         else {
-            zSig0 &= ~ ( ( (bits64) ( zSig1<<1 ) == 0 ) & roundNearestEven );
+            zSig0 &= ~ ( ( (uint64_t) ( zSig1<<1 ) == 0 ) & roundNearestEven );
         }
     }
     else {
@@ -824,7 +824,7 @@ static floatx80
 
 static floatx80
  normalizeRoundAndPackFloatx80(
-     int8 roundingPrecision, flag zSign, int32 zExp, bits64 zSig0, bits64 zSig1
+     int8 roundingPrecision, flag zSign, int32 zExp, uint64_t zSig0, uint64_t zSig1
  STATUS_PARAM)
 {
     int8 shiftCount;
@@ -851,7 +851,7 @@ static floatx80
 | floating-point value `a'.
 *----------------------------------------------------------------------------*/
 
-INLINE bits64 extractFloat128Frac1( float128 a )
+INLINE uint64_t extractFloat128Frac1( float128 a )
 {
 
     return a.low;
@@ -863,7 +863,7 @@ INLINE bits64 extractFloat128Frac1( float128 a )
 | floating-point value `a'.
 *----------------------------------------------------------------------------*/
 
-INLINE bits64 extractFloat128Frac0( float128 a )
+INLINE uint64_t extractFloat128Frac0( float128 a )
 {
 
     return a.high & LIT64( 0x0000FFFFFFFFFFFF );
@@ -905,11 +905,11 @@ INLINE flag extractFloat128Sign( float128 a )
 
 static void
  normalizeFloat128Subnormal(
-     bits64 aSig0,
-     bits64 aSig1,
+     uint64_t aSig0,
+     uint64_t aSig1,
      int32 *zExpPtr,
-     bits64 *zSig0Ptr,
-     bits64 *zSig1Ptr
+     uint64_t *zSig0Ptr,
+     uint64_t *zSig1Ptr
  )
 {
     int8 shiftCount;
@@ -948,12 +948,12 @@ static void
 *----------------------------------------------------------------------------*/
 
 INLINE float128
- packFloat128( flag zSign, int32 zExp, bits64 zSig0, bits64 zSig1 )
+ packFloat128( flag zSign, int32 zExp, uint64_t zSig0, uint64_t zSig1 )
 {
     float128 z;
 
     z.low = zSig1;
-    z.high = ( ( (bits64) zSign )<<63 ) + ( ( (bits64) zExp )<<48 ) + zSig0;
+    z.high = ( ( (uint64_t) zSign )<<63 ) + ( ( (uint64_t) zExp )<<48 ) + zSig0;
     return z;
 
 }
@@ -981,14 +981,14 @@ INLINE float128
 
 static float128
  roundAndPackFloat128(
-     flag zSign, int32 zExp, bits64 zSig0, bits64 zSig1, bits64 zSig2 STATUS_PARAM)
+     flag zSign, int32 zExp, uint64_t zSig0, uint64_t zSig1, uint64_t zSig2 STATUS_PARAM)
 {
     int8 roundingMode;
     flag roundNearestEven, increment, isTiny;
 
     roundingMode = STATUS(float_rounding_mode);
     roundNearestEven = ( roundingMode == float_round_nearest_even );
-    increment = ( (sbits64) zSig2 < 0 );
+    increment = ( (int64_t) zSig2 < 0 );
     if ( ! roundNearestEven ) {
         if ( roundingMode == float_round_to_zero ) {
             increment = 0;
@@ -1002,7 +1002,7 @@ static float128
             }
         }
     }
-    if ( 0x7FFD <= (bits32) zExp ) {
+    if ( 0x7FFD <= (uint32_t) zExp ) {
         if (    ( 0x7FFD < zExp )
              || (    ( zExp == 0x7FFD )
                   && eq128(
@@ -1046,7 +1046,7 @@ static float128
             zExp = 0;
             if ( isTiny && zSig2 ) float_raise( float_flag_underflow STATUS_VAR);
             if ( roundNearestEven ) {
-                increment = ( (sbits64) zSig2 < 0 );
+                increment = ( (int64_t) zSig2 < 0 );
             }
             else {
                 if ( zSign ) {
@@ -1082,10 +1082,10 @@ static float128
 
 static float128
  normalizeRoundAndPackFloat128(
-     flag zSign, int32 zExp, bits64 zSig0, bits64 zSig1 STATUS_PARAM)
+     flag zSign, int32 zExp, uint64_t zSig0, uint64_t zSig1 STATUS_PARAM)
 {
     int8 shiftCount;
-    bits64 zSig2;
+    uint64_t zSig2;
 
     if ( zSig0 == 0 ) {
         zSig0 = zSig1;
@@ -1119,7 +1119,7 @@ float32 int32_to_float32( int32 a STATUS_PARAM )
     flag zSign;
 
     if ( a == 0 ) return float32_zero;
-    if ( a == (sbits32) 0x80000000 ) return packFloat32( 1, 0x9E, 0 );
+    if ( a == (int32_t) 0x80000000 ) return packFloat32( 1, 0x9E, 0 );
     zSign = ( a < 0 );
     return normalizeRoundAndPackFloat32( zSign, 0x9C, zSign ? - a : a STATUS_VAR );
 
@@ -1136,7 +1136,7 @@ float64 int32_to_float64( int32 a STATUS_PARAM )
     flag zSign;
     uint32 absA;
     int8 shiftCount;
-    bits64 zSig;
+    uint64_t zSig;
 
     if ( a == 0 ) return float64_zero;
     zSign = ( a < 0 );
@@ -1161,7 +1161,7 @@ floatx80 int32_to_floatx80( int32 a STATUS_PARAM )
     flag zSign;
     uint32 absA;
     int8 shiftCount;
-    bits64 zSig;
+    uint64_t zSig;
 
     if ( a == 0 ) return packFloatx80( 0, 0, 0 );
     zSign = ( a < 0 );
@@ -1187,7 +1187,7 @@ float128 int32_to_float128( int32 a STATUS_PARAM )
     flag zSign;
     uint32 absA;
     int8 shiftCount;
-    bits64 zSig0;
+    uint64_t zSig0;
 
     if ( a == 0 ) return packFloat128( 0, 0, 0, 0 );
     zSign = ( a < 0 );
@@ -1264,7 +1264,7 @@ float64 int64_to_float64( int64 a STATUS_PARAM )
     flag zSign;
 
     if ( a == 0 ) return float64_zero;
-    if ( a == (sbits64) LIT64( 0x8000000000000000 ) ) {
+    if ( a == (int64_t) LIT64( 0x8000000000000000 ) ) {
         return packFloat64( 1, 0x43E, 0 );
     }
     zSign = ( a < 0 );
@@ -1318,7 +1318,7 @@ float128 int64_to_float128( int64 a STATUS_PARAM )
     uint64 absA;
     int8 shiftCount;
     int32 zExp;
-    bits64 zSig0, zSig1;
+    uint64_t zSig0, zSig1;
 
     if ( a == 0 ) return packFloat128( 0, 0, 0, 0 );
     zSign = ( a < 0 );
@@ -1355,8 +1355,8 @@ int32 float32_to_int32( float32 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp, shiftCount;
-    bits32 aSig;
-    bits64 aSig64;
+    uint32_t aSig;
+    uint64_t aSig64;
 
     a = float32_squash_input_denormal(a STATUS_VAR);
     aSig = extractFloat32Frac( a );
@@ -1386,7 +1386,7 @@ int32 float32_to_int32_round_to_zero( float32 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp, shiftCount;
-    bits32 aSig;
+    uint32_t aSig;
     int32 z;
     a = float32_squash_input_denormal(a STATUS_VAR);
 
@@ -1399,7 +1399,7 @@ int32 float32_to_int32_round_to_zero( float32 a STATUS_PARAM )
             float_raise( float_flag_invalid STATUS_VAR);
             if ( ! aSign || ( ( aExp == 0xFF ) && aSig ) ) return 0x7FFFFFFF;
         }
-        return (sbits32) 0x80000000;
+        return (int32_t) 0x80000000;
     }
     else if ( aExp <= 0x7E ) {
         if ( aExp | aSig ) STATUS(float_exception_flags) |= float_flag_inexact;
@@ -1407,7 +1407,7 @@ int32 float32_to_int32_round_to_zero( float32 a STATUS_PARAM )
     }
     aSig = ( aSig | 0x00800000 )<<8;
     z = aSig>>( - shiftCount );
-    if ( (bits32) ( aSig<<( shiftCount & 31 ) ) ) {
+    if ( (uint32_t) ( aSig<<( shiftCount & 31 ) ) ) {
         STATUS(float_exception_flags) |= float_flag_inexact;
     }
     if ( aSign ) z = - z;
@@ -1429,7 +1429,7 @@ int16 float32_to_int16_round_to_zero( float32 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp, shiftCount;
-    bits32 aSig;
+    uint32_t aSig;
     int32 z;
 
     aSig = extractFloat32Frac( a );
@@ -1443,7 +1443,7 @@ int16 float32_to_int16_round_to_zero( float32 a STATUS_PARAM )
                 return 0x7FFF;
             }
         }
-        return (sbits32) 0xffff8000;
+        return (int32_t) 0xffff8000;
     }
     else if ( aExp <= 0x7E ) {
         if ( aExp | aSig ) {
@@ -1454,7 +1454,7 @@ int16 float32_to_int16_round_to_zero( float32 a STATUS_PARAM )
     shiftCount -= 0x10;
     aSig = ( aSig | 0x00800000 )<<8;
     z = aSig>>( - shiftCount );
-    if ( (bits32) ( aSig<<( shiftCount & 31 ) ) ) {
+    if ( (uint32_t) ( aSig<<( shiftCount & 31 ) ) ) {
         STATUS(float_exception_flags) |= float_flag_inexact;
     }
     if ( aSign ) {
@@ -1478,8 +1478,8 @@ int64 float32_to_int64( float32 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp, shiftCount;
-    bits32 aSig;
-    bits64 aSig64, aSigExtra;
+    uint32_t aSig;
+    uint64_t aSig64, aSigExtra;
     a = float32_squash_input_denormal(a STATUS_VAR);
 
     aSig = extractFloat32Frac( a );
@@ -1491,7 +1491,7 @@ int64 float32_to_int64( float32 a STATUS_PARAM )
         if ( ! aSign || ( ( aExp == 0xFF ) && aSig ) ) {
             return LIT64( 0x7FFFFFFFFFFFFFFF );
         }
-        return (sbits64) LIT64( 0x8000000000000000 );
+        return (int64_t) LIT64( 0x8000000000000000 );
     }
     if ( aExp ) aSig |= 0x00800000;
     aSig64 = aSig;
@@ -1515,8 +1515,8 @@ int64 float32_to_int64_round_to_zero( float32 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp, shiftCount;
-    bits32 aSig;
-    bits64 aSig64;
+    uint32_t aSig;
+    uint64_t aSig64;
     int64 z;
     a = float32_squash_input_denormal(a STATUS_VAR);
 
@@ -1531,7 +1531,7 @@ int64 float32_to_int64_round_to_zero( float32 a STATUS_PARAM )
                 return LIT64( 0x7FFFFFFFFFFFFFFF );
             }
         }
-        return (sbits64) LIT64( 0x8000000000000000 );
+        return (int64_t) LIT64( 0x8000000000000000 );
     }
     else if ( aExp <= 0x7E ) {
         if ( aExp | aSig ) STATUS(float_exception_flags) |= float_flag_inexact;
@@ -1540,7 +1540,7 @@ int64 float32_to_int64_round_to_zero( float32 a STATUS_PARAM )
     aSig64 = aSig | 0x00800000;
     aSig64 <<= 40;
     z = aSig64>>( - shiftCount );
-    if ( (bits64) ( aSig64<<( shiftCount & 63 ) ) ) {
+    if ( (uint64_t) ( aSig64<<( shiftCount & 63 ) ) ) {
         STATUS(float_exception_flags) |= float_flag_inexact;
     }
     if ( aSign ) z = - z;
@@ -1559,7 +1559,7 @@ float64 float32_to_float64( float32 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp;
-    bits32 aSig;
+    uint32_t aSig;
     a = float32_squash_input_denormal(a STATUS_VAR);
 
     aSig = extractFloat32Frac( a );
@@ -1574,7 +1574,7 @@ float64 float32_to_float64( float32 a STATUS_PARAM )
         normalizeFloat32Subnormal( aSig, &aExp, &aSig );
         --aExp;
     }
-    return packFloat64( aSign, aExp + 0x380, ( (bits64) aSig )<<29 );
+    return packFloat64( aSign, aExp + 0x380, ( (uint64_t) aSig )<<29 );
 
 }
 
@@ -1591,7 +1591,7 @@ floatx80 float32_to_floatx80( float32 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp;
-    bits32 aSig;
+    uint32_t aSig;
 
     a = float32_squash_input_denormal(a STATUS_VAR);
     aSig = extractFloat32Frac( a );
@@ -1606,7 +1606,7 @@ floatx80 float32_to_floatx80( float32 a STATUS_PARAM )
         normalizeFloat32Subnormal( aSig, &aExp, &aSig );
     }
     aSig |= 0x00800000;
-    return packFloatx80( aSign, aExp + 0x3F80, ( (bits64) aSig )<<40 );
+    return packFloatx80( aSign, aExp + 0x3F80, ( (uint64_t) aSig )<<40 );
 
 }
 
@@ -1625,7 +1625,7 @@ float128 float32_to_float128( float32 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp;
-    bits32 aSig;
+    uint32_t aSig;
 
     a = float32_squash_input_denormal(a STATUS_VAR);
     aSig = extractFloat32Frac( a );
@@ -1640,7 +1640,7 @@ float128 float32_to_float128( float32 a STATUS_PARAM )
         normalizeFloat32Subnormal( aSig, &aExp, &aSig );
         --aExp;
     }
-    return packFloat128( aSign, aExp + 0x3F80, ( (bits64) aSig )<<25, 0 );
+    return packFloat128( aSign, aExp + 0x3F80, ( (uint64_t) aSig )<<25, 0 );
 
 }
 
@@ -1657,9 +1657,9 @@ float32 float32_round_to_int( float32 a STATUS_PARAM)
 {
     flag aSign;
     int16 aExp;
-    bits32 lastBitMask, roundBitsMask;
+    uint32_t lastBitMask, roundBitsMask;
     int8 roundingMode;
-    bits32 z;
+    uint32_t z;
     a = float32_squash_input_denormal(a STATUS_VAR);
 
     aExp = extractFloat32Exp( a );
@@ -1670,7 +1670,7 @@ float32 float32_round_to_int( float32 a STATUS_PARAM)
         return a;
     }
     if ( aExp <= 0x7E ) {
-        if ( (bits32) ( float32_val(a)<<1 ) == 0 ) return a;
+        if ( (uint32_t) ( float32_val(a)<<1 ) == 0 ) return a;
         STATUS(float_exception_flags) |= float_flag_inexact;
         aSign = extractFloat32Sign( a );
         switch ( STATUS(float_rounding_mode) ) {
@@ -1717,7 +1717,7 @@ float32 float32_round_to_int( float32 a STATUS_PARAM)
 static float32 addFloat32Sigs( float32 a, float32 b, flag zSign STATUS_PARAM)
 {
     int16 aExp, bExp, zExp;
-    bits32 aSig, bSig, zSig;
+    uint32_t aSig, bSig, zSig;
     int16 expDiff;
 
     aSig = extractFloat32Frac( a );
@@ -1771,7 +1771,7 @@ static float32 addFloat32Sigs( float32 a, float32 b, flag zSign STATUS_PARAM)
     aSig |= 0x20000000;
     zSig = ( aSig + bSig )<<1;
     --zExp;
-    if ( (sbits32) zSig < 0 ) {
+    if ( (int32_t) zSig < 0 ) {
         zSig = aSig + bSig;
         ++zExp;
     }
@@ -1791,7 +1791,7 @@ static float32 addFloat32Sigs( float32 a, float32 b, flag zSign STATUS_PARAM)
 static float32 subFloat32Sigs( float32 a, float32 b, flag zSign STATUS_PARAM)
 {
     int16 aExp, bExp, zExp;
-    bits32 aSig, bSig, zSig;
+    uint32_t aSig, bSig, zSig;
     int16 expDiff;
 
     aSig = extractFloat32Frac( a );
@@ -1911,9 +1911,9 @@ float32 float32_mul( float32 a, float32 b STATUS_PARAM )
 {
     flag aSign, bSign, zSign;
     int16 aExp, bExp, zExp;
-    bits32 aSig, bSig;
-    bits64 zSig64;
-    bits32 zSig;
+    uint32_t aSig, bSig;
+    uint64_t zSig64;
+    uint32_t zSig;
 
     a = float32_squash_input_denormal(a STATUS_VAR);
     b = float32_squash_input_denormal(b STATUS_VAR);
@@ -1954,9 +1954,9 @@ float32 float32_mul( float32 a, float32 b STATUS_PARAM )
     zExp = aExp + bExp - 0x7F;
     aSig = ( aSig | 0x00800000 )<<7;
     bSig = ( bSig | 0x00800000 )<<8;
-    shift64RightJamming( ( (bits64) aSig ) * bSig, 32, &zSig64 );
+    shift64RightJamming( ( (uint64_t) aSig ) * bSig, 32, &zSig64 );
     zSig = zSig64;
-    if ( 0 <= (sbits32) ( zSig<<1 ) ) {
+    if ( 0 <= (int32_t) ( zSig<<1 ) ) {
         zSig <<= 1;
         --zExp;
     }
@@ -1974,7 +1974,7 @@ float32 float32_div( float32 a, float32 b STATUS_PARAM )
 {
     flag aSign, bSign, zSign;
     int16 aExp, bExp, zExp;
-    bits32 aSig, bSig, zSig;
+    uint32_t aSig, bSig, zSig;
     a = float32_squash_input_denormal(a STATUS_VAR);
     b = float32_squash_input_denormal(b STATUS_VAR);
 
@@ -2020,9 +2020,9 @@ float32 float32_div( float32 a, float32 b STATUS_PARAM )
         aSig >>= 1;
         ++zExp;
     }
-    zSig = ( ( (bits64) aSig )<<32 ) / bSig;
+    zSig = ( ( (uint64_t) aSig )<<32 ) / bSig;
     if ( ( zSig & 0x3F ) == 0 ) {
-        zSig |= ( (bits64) bSig * zSig != ( (bits64) aSig )<<32 );
+        zSig |= ( (uint64_t) bSig * zSig != ( (uint64_t) aSig )<<32 );
     }
     return roundAndPackFloat32( zSign, zExp, zSig STATUS_VAR );
 
@@ -2038,11 +2038,11 @@ float32 float32_rem( float32 a, float32 b STATUS_PARAM )
 {
     flag aSign, zSign;
     int16 aExp, bExp, expDiff;
-    bits32 aSig, bSig;
-    bits32 q;
-    bits64 aSig64, bSig64, q64;
-    bits32 alternateASig;
-    sbits32 sigMean;
+    uint32_t aSig, bSig;
+    uint32_t q;
+    uint64_t aSig64, bSig64, q64;
+    uint32_t alternateASig;
+    int32_t sigMean;
     a = float32_squash_input_denormal(a STATUS_VAR);
     b = float32_squash_input_denormal(b STATUS_VAR);
 
@@ -2086,7 +2086,7 @@ float32 float32_rem( float32 a, float32 b STATUS_PARAM )
         q = ( bSig <= aSig );
         if ( q ) aSig -= bSig;
         if ( 0 < expDiff ) {
-            q = ( ( (bits64) aSig )<<32 ) / bSig;
+            q = ( ( (uint64_t) aSig )<<32 ) / bSig;
             q >>= 32 - expDiff;
             bSig >>= 2;
             aSig = ( ( aSig>>1 )<<( expDiff - 1 ) ) - bSig * q;
@@ -2098,8 +2098,8 @@ float32 float32_rem( float32 a, float32 b STATUS_PARAM )
     }
     else {
         if ( bSig <= aSig ) aSig -= bSig;
-        aSig64 = ( (bits64) aSig )<<40;
-        bSig64 = ( (bits64) bSig )<<40;
+        aSig64 = ( (uint64_t) aSig )<<40;
+        bSig64 = ( (uint64_t) bSig )<<40;
         expDiff -= 64;
         while ( 0 < expDiff ) {
             q64 = estimateDiv128To64( aSig64, 0, bSig64 );
@@ -2118,12 +2118,12 @@ float32 float32_rem( float32 a, float32 b STATUS_PARAM )
         alternateASig = aSig;
         ++q;
         aSig -= bSig;
-    } while ( 0 <= (sbits32) aSig );
+    } while ( 0 <= (int32_t) aSig );
     sigMean = aSig + alternateASig;
     if ( ( sigMean < 0 ) || ( ( sigMean == 0 ) && ( q & 1 ) ) ) {
         aSig = alternateASig;
     }
-    zSign = ( (sbits32) aSig < 0 );
+    zSign = ( (int32_t) aSig < 0 );
     if ( zSign ) aSig = - aSig;
     return normalizeRoundAndPackFloat32( aSign ^ zSign, bExp, aSig STATUS_VAR );
 
@@ -2139,8 +2139,8 @@ float32 float32_sqrt( float32 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp, zExp;
-    bits32 aSig, zSig;
-    bits64 rem, term;
+    uint32_t aSig, zSig;
+    uint64_t rem, term;
     a = float32_squash_input_denormal(a STATUS_VAR);
 
     aSig = extractFloat32Frac( a );
@@ -2170,11 +2170,11 @@ float32 float32_sqrt( float32 a STATUS_PARAM )
             goto roundAndPack;
         }
         aSig >>= aExp & 1;
-        term = ( (bits64) zSig ) * zSig;
-        rem = ( ( (bits64) aSig )<<32 ) - term;
-        while ( (sbits64) rem < 0 ) {
+        term = ( (uint64_t) zSig ) * zSig;
+        rem = ( ( (uint64_t) aSig )<<32 ) - term;
+        while ( (int64_t) rem < 0 ) {
             --zSig;
-            rem += ( ( (bits64) zSig )<<1 ) | 1;
+            rem += ( ( (uint64_t) zSig )<<1 ) | 1;
         }
         zSig |= ( rem != 0 );
     }
@@ -2225,7 +2225,7 @@ float32 float32_exp2( float32 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp;
-    bits32 aSig;
+    uint32_t aSig;
     float64 r, x, xn;
     int i;
     a = float32_squash_input_denormal(a STATUS_VAR);
@@ -2273,7 +2273,7 @@ float32 float32_log2( float32 a STATUS_PARAM )
 {
     flag aSign, zSign;
     int16 aExp;
-    bits32 aSig, zSig, i;
+    uint32_t aSig, zSig, i;
 
     a = float32_squash_input_denormal(a STATUS_VAR);
     aSig = extractFloat32Frac( a );
@@ -2299,7 +2299,7 @@ float32 float32_log2( float32 a STATUS_PARAM )
     zSig = aExp << 23;
 
     for (i = 1 << 22; i > 0; i >>= 1) {
-        aSig = ( (bits64)aSig * aSig ) >> 23;
+        aSig = ( (uint64_t)aSig * aSig ) >> 23;
         if ( aSig & 0x01000000 ) {
             aSig >>= 1;
             zSig |= i;
@@ -2332,7 +2332,7 @@ int float32_eq( float32 a, float32 b STATUS_PARAM )
         return 0;
     }
     return ( float32_val(a) == float32_val(b) ) ||
-            ( (bits32) ( ( float32_val(a) | float32_val(b) )<<1 ) == 0 );
+            ( (uint32_t) ( ( float32_val(a) | float32_val(b) )<<1 ) == 0 );
 
 }
 
@@ -2346,7 +2346,7 @@ int float32_eq( float32 a, float32 b STATUS_PARAM )
 int float32_le( float32 a, float32 b STATUS_PARAM )
 {
     flag aSign, bSign;
-    bits32 av, bv;
+    uint32_t av, bv;
     a = float32_squash_input_denormal(a STATUS_VAR);
     b = float32_squash_input_denormal(b STATUS_VAR);
 
@@ -2360,7 +2360,7 @@ int float32_le( float32 a, float32 b STATUS_PARAM )
     bSign = extractFloat32Sign( b );
     av = float32_val(a);
     bv = float32_val(b);
-    if ( aSign != bSign ) return aSign || ( (bits32) ( ( av | bv )<<1 ) == 0 );
+    if ( aSign != bSign ) return aSign || ( (uint32_t) ( ( av | bv )<<1 ) == 0 );
     return ( av == bv ) || ( aSign ^ ( av < bv ) );
 
 }
@@ -2374,7 +2374,7 @@ int float32_le( float32 a, float32 b STATUS_PARAM )
 int float32_lt( float32 a, float32 b STATUS_PARAM )
 {
     flag aSign, bSign;
-    bits32 av, bv;
+    uint32_t av, bv;
     a = float32_squash_input_denormal(a STATUS_VAR);
     b = float32_squash_input_denormal(b STATUS_VAR);
 
@@ -2388,7 +2388,7 @@ int float32_lt( float32 a, float32 b STATUS_PARAM )
     bSign = extractFloat32Sign( b );
     av = float32_val(a);
     bv = float32_val(b);
-    if ( aSign != bSign ) return aSign && ( (bits32) ( ( av | bv )<<1 ) != 0 );
+    if ( aSign != bSign ) return aSign && ( (uint32_t) ( ( av | bv )<<1 ) != 0 );
     return ( av != bv ) && ( aSign ^ ( av < bv ) );
 
 }
@@ -2402,7 +2402,7 @@ int float32_lt( float32 a, float32 b STATUS_PARAM )
 
 int float32_eq_signaling( float32 a, float32 b STATUS_PARAM )
 {
-    bits32 av, bv;
+    uint32_t av, bv;
     a = float32_squash_input_denormal(a STATUS_VAR);
     b = float32_squash_input_denormal(b STATUS_VAR);
 
@@ -2414,7 +2414,7 @@ int float32_eq_signaling( float32 a, float32 b STATUS_PARAM )
     }
     av = float32_val(a);
     bv = float32_val(b);
-    return ( av == bv ) || ( (bits32) ( ( av | bv )<<1 ) == 0 );
+    return ( av == bv ) || ( (uint32_t) ( ( av | bv )<<1 ) == 0 );
 
 }
 
@@ -2428,7 +2428,7 @@ int float32_eq_signaling( float32 a, float32 b STATUS_PARAM )
 int float32_le_quiet( float32 a, float32 b STATUS_PARAM )
 {
     flag aSign, bSign;
-    bits32 av, bv;
+    uint32_t av, bv;
     a = float32_squash_input_denormal(a STATUS_VAR);
     b = float32_squash_input_denormal(b STATUS_VAR);
 
@@ -2444,7 +2444,7 @@ int float32_le_quiet( float32 a, float32 b STATUS_PARAM )
     bSign = extractFloat32Sign( b );
     av = float32_val(a);
     bv = float32_val(b);
-    if ( aSign != bSign ) return aSign || ( (bits32) ( ( av | bv )<<1 ) == 0 );
+    if ( aSign != bSign ) return aSign || ( (uint32_t) ( ( av | bv )<<1 ) == 0 );
     return ( av == bv ) || ( aSign ^ ( av < bv ) );
 
 }
@@ -2459,7 +2459,7 @@ int float32_le_quiet( float32 a, float32 b STATUS_PARAM )
 int float32_lt_quiet( float32 a, float32 b STATUS_PARAM )
 {
     flag aSign, bSign;
-    bits32 av, bv;
+    uint32_t av, bv;
     a = float32_squash_input_denormal(a STATUS_VAR);
     b = float32_squash_input_denormal(b STATUS_VAR);
 
@@ -2475,7 +2475,7 @@ int float32_lt_quiet( float32 a, float32 b STATUS_PARAM )
     bSign = extractFloat32Sign( b );
     av = float32_val(a);
     bv = float32_val(b);
-    if ( aSign != bSign ) return aSign && ( (bits32) ( ( av | bv )<<1 ) != 0 );
+    if ( aSign != bSign ) return aSign && ( (uint32_t) ( ( av | bv )<<1 ) != 0 );
     return ( av != bv ) && ( aSign ^ ( av < bv ) );
 
 }
@@ -2494,7 +2494,7 @@ int32 float64_to_int32( float64 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp, shiftCount;
-    bits64 aSig;
+    uint64_t aSig;
     a = float64_squash_input_denormal(a STATUS_VAR);
 
     aSig = extractFloat64Frac( a );
@@ -2522,7 +2522,7 @@ int32 float64_to_int32_round_to_zero( float64 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp, shiftCount;
-    bits64 aSig, savedASig;
+    uint64_t aSig, savedASig;
     int32 z;
     a = float64_squash_input_denormal(a STATUS_VAR);
 
@@ -2546,7 +2546,7 @@ int32 float64_to_int32_round_to_zero( float64 a STATUS_PARAM )
     if ( ( z < 0 ) ^ aSign ) {
  invalid:
         float_raise( float_flag_invalid STATUS_VAR);
-        return aSign ? (sbits32) 0x80000000 : 0x7FFFFFFF;
+        return aSign ? (int32_t) 0x80000000 : 0x7FFFFFFF;
     }
     if ( ( aSig<<shiftCount ) != savedASig ) {
         STATUS(float_exception_flags) |= float_flag_inexact;
@@ -2569,7 +2569,7 @@ int16 float64_to_int16_round_to_zero( float64 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp, shiftCount;
-    bits64 aSig, savedASig;
+    uint64_t aSig, savedASig;
     int32 z;
 
     aSig = extractFloat64Frac( a );
@@ -2598,7 +2598,7 @@ int16 float64_to_int16_round_to_zero( float64 a STATUS_PARAM )
     if ( ( (int16_t)z < 0 ) ^ aSign ) {
  invalid:
         float_raise( float_flag_invalid STATUS_VAR);
-        return aSign ? (sbits32) 0xffff8000 : 0x7FFF;
+        return aSign ? (int32_t) 0xffff8000 : 0x7FFF;
     }
     if ( ( aSig<<shiftCount ) != savedASig ) {
         STATUS(float_exception_flags) |= float_flag_inexact;
@@ -2620,7 +2620,7 @@ int64 float64_to_int64( float64 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp, shiftCount;
-    bits64 aSig, aSigExtra;
+    uint64_t aSig, aSigExtra;
     a = float64_squash_input_denormal(a STATUS_VAR);
 
     aSig = extractFloat64Frac( a );
@@ -2637,7 +2637,7 @@ int64 float64_to_int64( float64 a STATUS_PARAM )
                ) {
                 return LIT64( 0x7FFFFFFFFFFFFFFF );
             }
-            return (sbits64) LIT64( 0x8000000000000000 );
+            return (int64_t) LIT64( 0x8000000000000000 );
         }
         aSigExtra = 0;
         aSig <<= - shiftCount;
@@ -2663,7 +2663,7 @@ int64 float64_to_int64_round_to_zero( float64 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp, shiftCount;
-    bits64 aSig;
+    uint64_t aSig;
     int64 z;
     a = float64_squash_input_denormal(a STATUS_VAR);
 
@@ -2683,7 +2683,7 @@ int64 float64_to_int64_round_to_zero( float64 a STATUS_PARAM )
                     return LIT64( 0x7FFFFFFFFFFFFFFF );
                 }
             }
-            return (sbits64) LIT64( 0x8000000000000000 );
+            return (int64_t) LIT64( 0x8000000000000000 );
         }
         z = aSig<<shiftCount;
     }
@@ -2693,7 +2693,7 @@ int64 float64_to_int64_round_to_zero( float64 a STATUS_PARAM )
             return 0;
         }
         z = aSig>>( - shiftCount );
-        if ( (bits64) ( aSig<<( shiftCount & 63 ) ) ) {
+        if ( (uint64_t) ( aSig<<( shiftCount & 63 ) ) ) {
             STATUS(float_exception_flags) |= float_flag_inexact;
         }
     }
@@ -2713,8 +2713,8 @@ float32 float64_to_float32( float64 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp;
-    bits64 aSig;
-    bits32 zSig;
+    uint64_t aSig;
+    uint32_t zSig;
     a = float64_squash_input_denormal(a STATUS_VAR);
 
     aSig = extractFloat64Frac( a );
@@ -2745,10 +2745,10 @@ float32 float64_to_float32( float64 a STATUS_PARAM )
 | than the desired result exponent whenever `zSig' is a complete, normalized
 | significand.
 *----------------------------------------------------------------------------*/
-static float16 packFloat16(flag zSign, int16 zExp, bits16 zSig)
+static float16 packFloat16(flag zSign, int16 zExp, uint16_t zSig)
 {
     return make_float16(
-        (((bits32)zSign) << 15) + (((bits32)zExp) << 10) + zSig);
+        (((uint32_t)zSign) << 15) + (((uint32_t)zExp) << 10) + zSig);
 }
 
 /* Half precision floats come in two formats: standard IEEE and "ARM" format.
@@ -2758,7 +2758,7 @@ float32 float16_to_float32(float16 a, flag ieee STATUS_PARAM)
 {
     flag aSign;
     int16 aExp;
-    bits32 aSig;
+    uint32_t aSig;
 
     aSign = extractFloat16Sign(a);
     aExp = extractFloat16Exp(a);
@@ -2788,9 +2788,9 @@ float16 float32_to_float16(float32 a, flag ieee STATUS_PARAM)
 {
     flag aSign;
     int16 aExp;
-    bits32 aSig;
-    bits32 mask;
-    bits32 increment;
+    uint32_t aSig;
+    uint32_t mask;
+    uint32_t increment;
     int8 roundingMode;
     a = float32_squash_input_denormal(a STATUS_VAR);
 
@@ -2891,7 +2891,7 @@ floatx80 float64_to_floatx80( float64 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp;
-    bits64 aSig;
+    uint64_t aSig;
 
     a = float64_squash_input_denormal(a STATUS_VAR);
     aSig = extractFloat64Frac( a );
@@ -2926,7 +2926,7 @@ float128 float64_to_float128( float64 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp;
-    bits64 aSig, zSig0, zSig1;
+    uint64_t aSig, zSig0, zSig1;
 
     a = float64_squash_input_denormal(a STATUS_VAR);
     aSig = extractFloat64Frac( a );
@@ -2959,9 +2959,9 @@ float64 float64_round_to_int( float64 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp;
-    bits64 lastBitMask, roundBitsMask;
+    uint64_t lastBitMask, roundBitsMask;
     int8 roundingMode;
-    bits64 z;
+    uint64_t z;
     a = float64_squash_input_denormal(a STATUS_VAR);
 
     aExp = extractFloat64Exp( a );
@@ -2972,7 +2972,7 @@ float64 float64_round_to_int( float64 a STATUS_PARAM )
         return a;
     }
     if ( aExp < 0x3FF ) {
-        if ( (bits64) ( float64_val(a)<<1 ) == 0 ) return a;
+        if ( (uint64_t) ( float64_val(a)<<1 ) == 0 ) return a;
         STATUS(float_exception_flags) |= float_flag_inexact;
         aSign = extractFloat64Sign( a );
         switch ( STATUS(float_rounding_mode) ) {
@@ -3032,7 +3032,7 @@ float64 float64_trunc_to_int( float64 a STATUS_PARAM)
 static float64 addFloat64Sigs( float64 a, float64 b, flag zSign STATUS_PARAM )
 {
     int16 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig;
+    uint64_t aSig, bSig, zSig;
     int16 expDiff;
 
     aSig = extractFloat64Frac( a );
@@ -3086,7 +3086,7 @@ static float64 addFloat64Sigs( float64 a, float64 b, flag zSign STATUS_PARAM )
     aSig |= LIT64( 0x2000000000000000 );
     zSig = ( aSig + bSig )<<1;
     --zExp;
-    if ( (sbits64) zSig < 0 ) {
+    if ( (int64_t) zSig < 0 ) {
         zSig = aSig + bSig;
         ++zExp;
     }
@@ -3106,7 +3106,7 @@ static float64 addFloat64Sigs( float64 a, float64 b, flag zSign STATUS_PARAM )
 static float64 subFloat64Sigs( float64 a, float64 b, flag zSign STATUS_PARAM )
 {
     int16 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig;
+    uint64_t aSig, bSig, zSig;
     int16 expDiff;
 
     aSig = extractFloat64Frac( a );
@@ -3226,7 +3226,7 @@ float64 float64_mul( float64 a, float64 b STATUS_PARAM )
 {
     flag aSign, bSign, zSign;
     int16 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig0, zSig1;
+    uint64_t aSig, bSig, zSig0, zSig1;
 
     a = float64_squash_input_denormal(a STATUS_VAR);
     b = float64_squash_input_denormal(b STATUS_VAR);
@@ -3269,7 +3269,7 @@ float64 float64_mul( float64 a, float64 b STATUS_PARAM )
     bSig = ( bSig | LIT64( 0x0010000000000000 ) )<<11;
     mul64To128( aSig, bSig, &zSig0, &zSig1 );
     zSig0 |= ( zSig1 != 0 );
-    if ( 0 <= (sbits64) ( zSig0<<1 ) ) {
+    if ( 0 <= (int64_t) ( zSig0<<1 ) ) {
         zSig0 <<= 1;
         --zExp;
     }
@@ -3287,9 +3287,9 @@ float64 float64_div( float64 a, float64 b STATUS_PARAM )
 {
     flag aSign, bSign, zSign;
     int16 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig;
-    bits64 rem0, rem1;
-    bits64 term0, term1;
+    uint64_t aSig, bSig, zSig;
+    uint64_t rem0, rem1;
+    uint64_t term0, term1;
     a = float64_squash_input_denormal(a STATUS_VAR);
     b = float64_squash_input_denormal(b STATUS_VAR);
 
@@ -3339,7 +3339,7 @@ float64 float64_div( float64 a, float64 b STATUS_PARAM )
     if ( ( zSig & 0x1FF ) <= 2 ) {
         mul64To128( bSig, zSig, &term0, &term1 );
         sub128( aSig, 0, term0, term1, &rem0, &rem1 );
-        while ( (sbits64) rem0 < 0 ) {
+        while ( (int64_t) rem0 < 0 ) {
             --zSig;
             add128( rem0, rem1, 0, bSig, &rem0, &rem1 );
         }
@@ -3359,9 +3359,9 @@ float64 float64_rem( float64 a, float64 b STATUS_PARAM )
 {
     flag aSign, zSign;
     int16 aExp, bExp, expDiff;
-    bits64 aSig, bSig;
-    bits64 q, alternateASig;
-    sbits64 sigMean;
+    uint64_t aSig, bSig;
+    uint64_t q, alternateASig;
+    int64_t sigMean;
 
     a = float64_squash_input_denormal(a STATUS_VAR);
     b = float64_squash_input_denormal(b STATUS_VAR);
@@ -3424,12 +3424,12 @@ float64 float64_rem( float64 a, float64 b STATUS_PARAM )
         alternateASig = aSig;
         ++q;
         aSig -= bSig;
-    } while ( 0 <= (sbits64) aSig );
+    } while ( 0 <= (int64_t) aSig );
     sigMean = aSig + alternateASig;
     if ( ( sigMean < 0 ) || ( ( sigMean == 0 ) && ( q & 1 ) ) ) {
         aSig = alternateASig;
     }
-    zSign = ( (sbits64) aSig < 0 );
+    zSign = ( (int64_t) aSig < 0 );
     if ( zSign ) aSig = - aSig;
     return normalizeRoundAndPackFloat64( aSign ^ zSign, bExp, aSig STATUS_VAR );
 
@@ -3445,8 +3445,8 @@ float64 float64_sqrt( float64 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp, zExp;
-    bits64 aSig, zSig, doubleZSig;
-    bits64 rem0, rem1, term0, term1;
+    uint64_t aSig, zSig, doubleZSig;
+    uint64_t rem0, rem1, term0, term1;
     a = float64_squash_input_denormal(a STATUS_VAR);
 
     aSig = extractFloat64Frac( a );
@@ -3476,7 +3476,7 @@ float64 float64_sqrt( float64 a STATUS_PARAM )
         doubleZSig = zSig<<1;
         mul64To128( zSig, zSig, &term0, &term1 );
         sub128( aSig, 0, term0, term1, &rem0, &rem1 );
-        while ( (sbits64) rem0 < 0 ) {
+        while ( (int64_t) rem0 < 0 ) {
             --zSig;
             doubleZSig -= 2;
             add128( rem0, rem1, zSig>>63, doubleZSig | 1, &rem0, &rem1 );
@@ -3496,7 +3496,7 @@ float64 float64_log2( float64 a STATUS_PARAM )
 {
     flag aSign, zSign;
     int16 aExp;
-    bits64 aSig, aSig0, aSig1, zSig, i;
+    uint64_t aSig, aSig0, aSig1, zSig, i;
     a = float64_squash_input_denormal(a STATUS_VAR);
 
     aSig = extractFloat64Frac( a );
@@ -3519,7 +3519,7 @@ float64 float64_log2( float64 a STATUS_PARAM )
     aExp -= 0x3FF;
     aSig |= LIT64( 0x0010000000000000 );
     zSign = aExp < 0;
-    zSig = (bits64)aExp << 52;
+    zSig = (uint64_t)aExp << 52;
     for (i = 1LL << 51; i > 0; i >>= 1) {
         mul64To128( aSig, aSig, &aSig0, &aSig1 );
         aSig = ( aSig0 << 12 ) | ( aSig1 >> 52 );
@@ -3542,7 +3542,7 @@ float64 float64_log2( float64 a STATUS_PARAM )
 
 int float64_eq( float64 a, float64 b STATUS_PARAM )
 {
-    bits64 av, bv;
+    uint64_t av, bv;
     a = float64_squash_input_denormal(a STATUS_VAR);
     b = float64_squash_input_denormal(b STATUS_VAR);
 
@@ -3556,7 +3556,7 @@ int float64_eq( float64 a, float64 b STATUS_PARAM )
     }
     av = float64_val(a);
     bv = float64_val(b);
-    return ( av == bv ) || ( (bits64) ( ( av | bv )<<1 ) == 0 );
+    return ( av == bv ) || ( (uint64_t) ( ( av | bv )<<1 ) == 0 );
 
 }
 
@@ -3570,7 +3570,7 @@ int float64_eq( float64 a, float64 b STATUS_PARAM )
 int float64_le( float64 a, float64 b STATUS_PARAM )
 {
     flag aSign, bSign;
-    bits64 av, bv;
+    uint64_t av, bv;
     a = float64_squash_input_denormal(a STATUS_VAR);
     b = float64_squash_input_denormal(b STATUS_VAR);
 
@@ -3584,7 +3584,7 @@ int float64_le( float64 a, float64 b STATUS_PARAM )
     bSign = extractFloat64Sign( b );
     av = float64_val(a);
     bv = float64_val(b);
-    if ( aSign != bSign ) return aSign || ( (bits64) ( ( av | bv )<<1 ) == 0 );
+    if ( aSign != bSign ) return aSign || ( (uint64_t) ( ( av | bv )<<1 ) == 0 );
     return ( av == bv ) || ( aSign ^ ( av < bv ) );
 
 }
@@ -3598,7 +3598,7 @@ int float64_le( float64 a, float64 b STATUS_PARAM )
 int float64_lt( float64 a, float64 b STATUS_PARAM )
 {
     flag aSign, bSign;
-    bits64 av, bv;
+    uint64_t av, bv;
 
     a = float64_squash_input_denormal(a STATUS_VAR);
     b = float64_squash_input_denormal(b STATUS_VAR);
@@ -3612,7 +3612,7 @@ int float64_lt( float64 a, float64 b STATUS_PARAM )
     bSign = extractFloat64Sign( b );
     av = float64_val(a);
     bv = float64_val(b);
-    if ( aSign != bSign ) return aSign && ( (bits64) ( ( av | bv )<<1 ) != 0 );
+    if ( aSign != bSign ) return aSign && ( (uint64_t) ( ( av | bv )<<1 ) != 0 );
     return ( av != bv ) && ( aSign ^ ( av < bv ) );
 
 }
@@ -3626,7 +3626,7 @@ int float64_lt( float64 a, float64 b STATUS_PARAM )
 
 int float64_eq_signaling( float64 a, float64 b STATUS_PARAM )
 {
-    bits64 av, bv;
+    uint64_t av, bv;
     a = float64_squash_input_denormal(a STATUS_VAR);
     b = float64_squash_input_denormal(b STATUS_VAR);
 
@@ -3638,7 +3638,7 @@ int float64_eq_signaling( float64 a, float64 b STATUS_PARAM )
     }
     av = float64_val(a);
     bv = float64_val(b);
-    return ( av == bv ) || ( (bits64) ( ( av | bv )<<1 ) == 0 );
+    return ( av == bv ) || ( (uint64_t) ( ( av | bv )<<1 ) == 0 );
 
 }
 
@@ -3652,7 +3652,7 @@ int float64_eq_signaling( float64 a, float64 b STATUS_PARAM )
 int float64_le_quiet( float64 a, float64 b STATUS_PARAM )
 {
     flag aSign, bSign;
-    bits64 av, bv;
+    uint64_t av, bv;
     a = float64_squash_input_denormal(a STATUS_VAR);
     b = float64_squash_input_denormal(b STATUS_VAR);
 
@@ -3668,7 +3668,7 @@ int float64_le_quiet( float64 a, float64 b STATUS_PARAM )
     bSign = extractFloat64Sign( b );
     av = float64_val(a);
     bv = float64_val(b);
-    if ( aSign != bSign ) return aSign || ( (bits64) ( ( av | bv )<<1 ) == 0 );
+    if ( aSign != bSign ) return aSign || ( (uint64_t) ( ( av | bv )<<1 ) == 0 );
     return ( av == bv ) || ( aSign ^ ( av < bv ) );
 
 }
@@ -3683,7 +3683,7 @@ int float64_le_quiet( float64 a, float64 b STATUS_PARAM )
 int float64_lt_quiet( float64 a, float64 b STATUS_PARAM )
 {
     flag aSign, bSign;
-    bits64 av, bv;
+    uint64_t av, bv;
     a = float64_squash_input_denormal(a STATUS_VAR);
     b = float64_squash_input_denormal(b STATUS_VAR);
 
@@ -3699,7 +3699,7 @@ int float64_lt_quiet( float64 a, float64 b STATUS_PARAM )
     bSign = extractFloat64Sign( b );
     av = float64_val(a);
     bv = float64_val(b);
-    if ( aSign != bSign ) return aSign && ( (bits64) ( ( av | bv )<<1 ) != 0 );
+    if ( aSign != bSign ) return aSign && ( (uint64_t) ( ( av | bv )<<1 ) != 0 );
     return ( av != bv ) && ( aSign ^ ( av < bv ) );
 
 }
@@ -3720,12 +3720,12 @@ int32 floatx80_to_int32( floatx80 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp, shiftCount;
-    bits64 aSig;
+    uint64_t aSig;
 
     aSig = extractFloatx80Frac( a );
     aExp = extractFloatx80Exp( a );
     aSign = extractFloatx80Sign( a );
-    if ( ( aExp == 0x7FFF ) && (bits64) ( aSig<<1 ) ) aSign = 0;
+    if ( ( aExp == 0x7FFF ) && (uint64_t) ( aSig<<1 ) ) aSign = 0;
     shiftCount = 0x4037 - aExp;
     if ( shiftCount <= 0 ) shiftCount = 1;
     shift64RightJamming( aSig, shiftCount, &aSig );
@@ -3747,14 +3747,14 @@ int32 floatx80_to_int32_round_to_zero( floatx80 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp, shiftCount;
-    bits64 aSig, savedASig;
+    uint64_t aSig, savedASig;
     int32 z;
 
     aSig = extractFloatx80Frac( a );
     aExp = extractFloatx80Exp( a );
     aSign = extractFloatx80Sign( a );
     if ( 0x401E < aExp ) {
-        if ( ( aExp == 0x7FFF ) && (bits64) ( aSig<<1 ) ) aSign = 0;
+        if ( ( aExp == 0x7FFF ) && (uint64_t) ( aSig<<1 ) ) aSign = 0;
         goto invalid;
     }
     else if ( aExp < 0x3FFF ) {
@@ -3769,7 +3769,7 @@ int32 floatx80_to_int32_round_to_zero( floatx80 a STATUS_PARAM )
     if ( ( z < 0 ) ^ aSign ) {
  invalid:
         float_raise( float_flag_invalid STATUS_VAR);
-        return aSign ? (sbits32) 0x80000000 : 0x7FFFFFFF;
+        return aSign ? (int32_t) 0x80000000 : 0x7FFFFFFF;
     }
     if ( ( aSig<<shiftCount ) != savedASig ) {
         STATUS(float_exception_flags) |= float_flag_inexact;
@@ -3792,7 +3792,7 @@ int64 floatx80_to_int64( floatx80 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp, shiftCount;
-    bits64 aSig, aSigExtra;
+    uint64_t aSig, aSigExtra;
 
     aSig = extractFloatx80Frac( a );
     aExp = extractFloatx80Exp( a );
@@ -3807,7 +3807,7 @@ int64 floatx80_to_int64( floatx80 a STATUS_PARAM )
                ) {
                 return LIT64( 0x7FFFFFFFFFFFFFFF );
             }
-            return (sbits64) LIT64( 0x8000000000000000 );
+            return (int64_t) LIT64( 0x8000000000000000 );
         }
         aSigExtra = 0;
     }
@@ -3832,7 +3832,7 @@ int64 floatx80_to_int64_round_to_zero( floatx80 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp, shiftCount;
-    bits64 aSig;
+    uint64_t aSig;
     int64 z;
 
     aSig = extractFloatx80Frac( a );
@@ -3847,14 +3847,14 @@ int64 floatx80_to_int64_round_to_zero( floatx80 a STATUS_PARAM )
                 return LIT64( 0x7FFFFFFFFFFFFFFF );
             }
         }
-        return (sbits64) LIT64( 0x8000000000000000 );
+        return (int64_t) LIT64( 0x8000000000000000 );
     }
     else if ( aExp < 0x3FFF ) {
         if ( aExp | aSig ) STATUS(float_exception_flags) |= float_flag_inexact;
         return 0;
     }
     z = aSig>>( - shiftCount );
-    if ( (bits64) ( aSig<<( shiftCount & 63 ) ) ) {
+    if ( (uint64_t) ( aSig<<( shiftCount & 63 ) ) ) {
         STATUS(float_exception_flags) |= float_flag_inexact;
     }
     if ( aSign ) z = - z;
@@ -3873,13 +3873,13 @@ float32 floatx80_to_float32( floatx80 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp;
-    bits64 aSig;
+    uint64_t aSig;
 
     aSig = extractFloatx80Frac( a );
     aExp = extractFloatx80Exp( a );
     aSign = extractFloatx80Sign( a );
     if ( aExp == 0x7FFF ) {
-        if ( (bits64) ( aSig<<1 ) ) {
+        if ( (uint64_t) ( aSig<<1 ) ) {
             return commonNaNToFloat32( floatx80ToCommonNaN( a STATUS_VAR ) STATUS_VAR );
         }
         return packFloat32( aSign, 0xFF, 0 );
@@ -3901,13 +3901,13 @@ float64 floatx80_to_float64( floatx80 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp;
-    bits64 aSig, zSig;
+    uint64_t aSig, zSig;
 
     aSig = extractFloatx80Frac( a );
     aExp = extractFloatx80Exp( a );
     aSign = extractFloatx80Sign( a );
     if ( aExp == 0x7FFF ) {
-        if ( (bits64) ( aSig<<1 ) ) {
+        if ( (uint64_t) ( aSig<<1 ) ) {
             return commonNaNToFloat64( floatx80ToCommonNaN( a STATUS_VAR ) STATUS_VAR );
         }
         return packFloat64( aSign, 0x7FF, 0 );
@@ -3931,12 +3931,12 @@ float128 floatx80_to_float128( floatx80 a STATUS_PARAM )
 {
     flag aSign;
     int16 aExp;
-    bits64 aSig, zSig0, zSig1;
+    uint64_t aSig, zSig0, zSig1;
 
     aSig = extractFloatx80Frac( a );
     aExp = extractFloatx80Exp( a );
     aSign = extractFloatx80Sign( a );
-    if ( ( aExp == 0x7FFF ) && (bits64) ( aSig<<1 ) ) {
+    if ( ( aExp == 0x7FFF ) && (uint64_t) ( aSig<<1 ) ) {
         return commonNaNToFloat128( floatx80ToCommonNaN( a STATUS_VAR ) STATUS_VAR );
     }
     shift128Right( aSig<<1, 0, 16, &zSig0, &zSig1 );
@@ -3957,27 +3957,27 @@ floatx80 floatx80_round_to_int( floatx80 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp;
-    bits64 lastBitMask, roundBitsMask;
+    uint64_t lastBitMask, roundBitsMask;
     int8 roundingMode;
     floatx80 z;
 
     aExp = extractFloatx80Exp( a );
     if ( 0x403E <= aExp ) {
-        if ( ( aExp == 0x7FFF ) && (bits64) ( extractFloatx80Frac( a )<<1 ) ) {
+        if ( ( aExp == 0x7FFF ) && (uint64_t) ( extractFloatx80Frac( a )<<1 ) ) {
             return propagateFloatx80NaN( a, a STATUS_VAR );
         }
         return a;
     }
     if ( aExp < 0x3FFF ) {
         if (    ( aExp == 0 )
-             && ( (bits64) ( extractFloatx80Frac( a )<<1 ) == 0 ) ) {
+             && ( (uint64_t) ( extractFloatx80Frac( a )<<1 ) == 0 ) ) {
             return a;
         }
         STATUS(float_exception_flags) |= float_flag_inexact;
         aSign = extractFloatx80Sign( a );
         switch ( STATUS(float_rounding_mode) ) {
          case float_round_nearest_even:
-            if ( ( aExp == 0x3FFE ) && (bits64) ( extractFloatx80Frac( a )<<1 )
+            if ( ( aExp == 0x3FFE ) && (uint64_t) ( extractFloatx80Frac( a )<<1 )
                ) {
                 return
                     packFloatx80( aSign, 0x3FFF, LIT64( 0x8000000000000000 ) );
@@ -4030,7 +4030,7 @@ floatx80 floatx80_round_to_int( floatx80 a STATUS_PARAM )
 static floatx80 addFloatx80Sigs( floatx80 a, floatx80 b, flag zSign STATUS_PARAM)
 {
     int32 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig0, zSig1;
+    uint64_t aSig, bSig, zSig0, zSig1;
     int32 expDiff;
 
     aSig = extractFloatx80Frac( a );
@@ -4040,7 +4040,7 @@ static floatx80 addFloatx80Sigs( floatx80 a, floatx80 b, flag zSign STATUS_PARAM
     expDiff = aExp - bExp;
     if ( 0 < expDiff ) {
         if ( aExp == 0x7FFF ) {
-            if ( (bits64) ( aSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
+            if ( (uint64_t) ( aSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
             return a;
         }
         if ( bExp == 0 ) --expDiff;
@@ -4049,7 +4049,7 @@ static floatx80 addFloatx80Sigs( floatx80 a, floatx80 b, flag zSign STATUS_PARAM
     }
     else if ( expDiff < 0 ) {
         if ( bExp == 0x7FFF ) {
-            if ( (bits64) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
+            if ( (uint64_t) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
             return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
         }
         if ( aExp == 0 ) ++expDiff;
@@ -4058,7 +4058,7 @@ static floatx80 addFloatx80Sigs( floatx80 a, floatx80 b, flag zSign STATUS_PARAM
     }
     else {
         if ( aExp == 0x7FFF ) {
-            if ( (bits64) ( ( aSig | bSig )<<1 ) ) {
+            if ( (uint64_t) ( ( aSig | bSig )<<1 ) ) {
                 return propagateFloatx80NaN( a, b STATUS_VAR );
             }
             return a;
@@ -4073,7 +4073,7 @@ static floatx80 addFloatx80Sigs( floatx80 a, floatx80 b, flag zSign STATUS_PARAM
         goto shiftRight1;
     }
     zSig0 = aSig + bSig;
-    if ( (sbits64) zSig0 < 0 ) goto roundAndPack;
+    if ( (int64_t) zSig0 < 0 ) goto roundAndPack;
  shiftRight1:
     shift64ExtraRightJamming( zSig0, zSig1, 1, &zSig0, &zSig1 );
     zSig0 |= LIT64( 0x8000000000000000 );
@@ -4096,7 +4096,7 @@ static floatx80 addFloatx80Sigs( floatx80 a, floatx80 b, flag zSign STATUS_PARAM
 static floatx80 subFloatx80Sigs( floatx80 a, floatx80 b, flag zSign STATUS_PARAM )
 {
     int32 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig0, zSig1;
+    uint64_t aSig, bSig, zSig0, zSig1;
     int32 expDiff;
     floatx80 z;
 
@@ -4108,7 +4108,7 @@ static floatx80 subFloatx80Sigs( floatx80 a, floatx80 b, flag zSign STATUS_PARAM
     if ( 0 < expDiff ) goto aExpBigger;
     if ( expDiff < 0 ) goto bExpBigger;
     if ( aExp == 0x7FFF ) {
-        if ( (bits64) ( ( aSig | bSig )<<1 ) ) {
+        if ( (uint64_t) ( ( aSig | bSig )<<1 ) ) {
             return propagateFloatx80NaN( a, b STATUS_VAR );
         }
         float_raise( float_flag_invalid STATUS_VAR);
@@ -4126,7 +4126,7 @@ static floatx80 subFloatx80Sigs( floatx80 a, floatx80 b, flag zSign STATUS_PARAM
     return packFloatx80( STATUS(float_rounding_mode) == float_round_down, 0, 0 );
  bExpBigger:
     if ( bExp == 0x7FFF ) {
-        if ( (bits64) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
+        if ( (uint64_t) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
         return packFloatx80( zSign ^ 1, 0x7FFF, LIT64( 0x8000000000000000 ) );
     }
     if ( aExp == 0 ) ++expDiff;
@@ -4138,7 +4138,7 @@ static floatx80 subFloatx80Sigs( floatx80 a, floatx80 b, flag zSign STATUS_PARAM
     goto normalizeRoundAndPack;
  aExpBigger:
     if ( aExp == 0x7FFF ) {
-        if ( (bits64) ( aSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
+        if ( (uint64_t) ( aSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
         return a;
     }
     if ( bExp == 0 ) --expDiff;
@@ -4205,7 +4205,7 @@ floatx80 floatx80_mul( floatx80 a, floatx80 b STATUS_PARAM )
 {
     flag aSign, bSign, zSign;
     int32 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig0, zSig1;
+    uint64_t aSig, bSig, zSig0, zSig1;
     floatx80 z;
 
     aSig = extractFloatx80Frac( a );
@@ -4216,15 +4216,15 @@ floatx80 floatx80_mul( floatx80 a, floatx80 b STATUS_PARAM )
     bSign = extractFloatx80Sign( b );
     zSign = aSign ^ bSign;
     if ( aExp == 0x7FFF ) {
-        if (    (bits64) ( aSig<<1 )
-             || ( ( bExp == 0x7FFF ) && (bits64) ( bSig<<1 ) ) ) {
+        if (    (uint64_t) ( aSig<<1 )
+             || ( ( bExp == 0x7FFF ) && (uint64_t) ( bSig<<1 ) ) ) {
             return propagateFloatx80NaN( a, b STATUS_VAR );
         }
         if ( ( bExp | bSig ) == 0 ) goto invalid;
         return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
     }
     if ( bExp == 0x7FFF ) {
-        if ( (bits64) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
+        if ( (uint64_t) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
         if ( ( aExp | aSig ) == 0 ) {
  invalid:
             float_raise( float_flag_invalid STATUS_VAR);
@@ -4244,7 +4244,7 @@ floatx80 floatx80_mul( floatx80 a, floatx80 b STATUS_PARAM )
     }
     zExp = aExp + bExp - 0x3FFE;
     mul64To128( aSig, bSig, &zSig0, &zSig1 );
-    if ( 0 < (sbits64) zSig0 ) {
+    if ( 0 < (int64_t) zSig0 ) {
         shortShift128Left( zSig0, zSig1, 1, &zSig0, &zSig1 );
         --zExp;
     }
@@ -4264,8 +4264,8 @@ floatx80 floatx80_div( floatx80 a, floatx80 b STATUS_PARAM )
 {
     flag aSign, bSign, zSign;
     int32 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig0, zSig1;
-    bits64 rem0, rem1, rem2, term0, term1, term2;
+    uint64_t aSig, bSig, zSig0, zSig1;
+    uint64_t rem0, rem1, rem2, term0, term1, term2;
     floatx80 z;
 
     aSig = extractFloatx80Frac( a );
@@ -4276,15 +4276,15 @@ floatx80 floatx80_div( floatx80 a, floatx80 b STATUS_PARAM )
     bSign = extractFloatx80Sign( b );
     zSign = aSign ^ bSign;
     if ( aExp == 0x7FFF ) {
-        if ( (bits64) ( aSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
+        if ( (uint64_t) ( aSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
         if ( bExp == 0x7FFF ) {
-            if ( (bits64) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
+            if ( (uint64_t) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
             goto invalid;
         }
         return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
     }
     if ( bExp == 0x7FFF ) {
-        if ( (bits64) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
+        if ( (uint64_t) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
         return packFloatx80( zSign, 0, 0 );
     }
     if ( bExp == 0 ) {
@@ -4314,15 +4314,15 @@ floatx80 floatx80_div( floatx80 a, floatx80 b STATUS_PARAM )
     zSig0 = estimateDiv128To64( aSig, rem1, bSig );
     mul64To128( bSig, zSig0, &term0, &term1 );
     sub128( aSig, rem1, term0, term1, &rem0, &rem1 );
-    while ( (sbits64) rem0 < 0 ) {
+    while ( (int64_t) rem0 < 0 ) {
         --zSig0;
         add128( rem0, rem1, 0, bSig, &rem0, &rem1 );
     }
     zSig1 = estimateDiv128To64( rem1, 0, bSig );
-    if ( (bits64) ( zSig1<<1 ) <= 8 ) {
+    if ( (uint64_t) ( zSig1<<1 ) <= 8 ) {
         mul64To128( bSig, zSig1, &term1, &term2 );
         sub128( rem1, 0, term1, term2, &rem1, &rem2 );
-        while ( (sbits64) rem1 < 0 ) {
+        while ( (int64_t) rem1 < 0 ) {
             --zSig1;
             add128( rem1, rem2, 0, bSig, &rem1, &rem2 );
         }
@@ -4344,8 +4344,8 @@ floatx80 floatx80_rem( floatx80 a, floatx80 b STATUS_PARAM )
 {
     flag aSign, zSign;
     int32 aExp, bExp, expDiff;
-    bits64 aSig0, aSig1, bSig;
-    bits64 q, term0, term1, alternateASig0, alternateASig1;
+    uint64_t aSig0, aSig1, bSig;
+    uint64_t q, term0, term1, alternateASig0, alternateASig1;
     floatx80 z;
 
     aSig0 = extractFloatx80Frac( a );
@@ -4354,14 +4354,14 @@ floatx80 floatx80_rem( floatx80 a, floatx80 b STATUS_PARAM )
     bSig = extractFloatx80Frac( b );
     bExp = extractFloatx80Exp( b );
     if ( aExp == 0x7FFF ) {
-        if (    (bits64) ( aSig0<<1 )
-             || ( ( bExp == 0x7FFF ) && (bits64) ( bSig<<1 ) ) ) {
+        if (    (uint64_t) ( aSig0<<1 )
+             || ( ( bExp == 0x7FFF ) && (uint64_t) ( bSig<<1 ) ) ) {
             return propagateFloatx80NaN( a, b STATUS_VAR );
         }
         goto invalid;
     }
     if ( bExp == 0x7FFF ) {
-        if ( (bits64) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
+        if ( (uint64_t) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
         return a;
     }
     if ( bExp == 0 ) {
@@ -4375,7 +4375,7 @@ floatx80 floatx80_rem( floatx80 a, floatx80 b STATUS_PARAM )
         normalizeFloatx80Subnormal( bSig, &bExp, &bSig );
     }
     if ( aExp == 0 ) {
-        if ( (bits64) ( aSig0<<1 ) == 0 ) return a;
+        if ( (uint64_t) ( aSig0<<1 ) == 0 ) return a;
         normalizeFloatx80Subnormal( aSig0, &aExp, &aSig0 );
     }
     bSig |= LIT64( 0x8000000000000000 );
@@ -4440,15 +4440,15 @@ floatx80 floatx80_sqrt( floatx80 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp, zExp;
-    bits64 aSig0, aSig1, zSig0, zSig1, doubleZSig0;
-    bits64 rem0, rem1, rem2, rem3, term0, term1, term2, term3;
+    uint64_t aSig0, aSig1, zSig0, zSig1, doubleZSig0;
+    uint64_t rem0, rem1, rem2, rem3, term0, term1, term2, term3;
     floatx80 z;
 
     aSig0 = extractFloatx80Frac( a );
     aExp = extractFloatx80Exp( a );
     aSign = extractFloatx80Sign( a );
     if ( aExp == 0x7FFF ) {
-        if ( (bits64) ( aSig0<<1 ) ) return propagateFloatx80NaN( a, a STATUS_VAR );
+        if ( (uint64_t) ( aSig0<<1 ) ) return propagateFloatx80NaN( a, a STATUS_VAR );
         if ( ! aSign ) return a;
         goto invalid;
     }
@@ -4471,7 +4471,7 @@ floatx80 floatx80_sqrt( floatx80 a STATUS_PARAM )
     doubleZSig0 = zSig0<<1;
     mul64To128( zSig0, zSig0, &term0, &term1 );
     sub128( aSig0, aSig1, term0, term1, &rem0, &rem1 );
-    while ( (sbits64) rem0 < 0 ) {
+    while ( (int64_t) rem0 < 0 ) {
         --zSig0;
         doubleZSig0 -= 2;
         add128( rem0, rem1, zSig0>>63, doubleZSig0 | 1, &rem0, &rem1 );
@@ -4483,7 +4483,7 @@ floatx80 floatx80_sqrt( floatx80 a STATUS_PARAM )
         sub128( rem1, 0, term1, term2, &rem1, &rem2 );
         mul64To128( zSig1, zSig1, &term2, &term3 );
         sub192( rem1, rem2, 0, 0, term2, term3, &rem1, &rem2, &rem3 );
-        while ( (sbits64) rem1 < 0 ) {
+        while ( (int64_t) rem1 < 0 ) {
             --zSig1;
             shortShift128Left( 0, zSig1, 1, &term2, &term3 );
             term3 |= 1;
@@ -4511,9 +4511,9 @@ int floatx80_eq( floatx80 a, floatx80 b STATUS_PARAM )
 {
 
     if (    (    ( extractFloatx80Exp( a ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( a )<<1 ) )
+              && (uint64_t) ( extractFloatx80Frac( a )<<1 ) )
          || (    ( extractFloatx80Exp( b ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( b )<<1 ) )
+              && (uint64_t) ( extractFloatx80Frac( b )<<1 ) )
        ) {
         if (    floatx80_is_signaling_nan( a )
              || floatx80_is_signaling_nan( b ) ) {
@@ -4525,7 +4525,7 @@ int floatx80_eq( floatx80 a, floatx80 b STATUS_PARAM )
            ( a.low == b.low )
         && (    ( a.high == b.high )
              || (    ( a.low == 0 )
-                  && ( (bits16) ( ( a.high | b.high )<<1 ) == 0 ) )
+                  && ( (uint16_t) ( ( a.high | b.high )<<1 ) == 0 ) )
            );
 
 }
@@ -4542,9 +4542,9 @@ int floatx80_le( floatx80 a, floatx80 b STATUS_PARAM )
     flag aSign, bSign;
 
     if (    (    ( extractFloatx80Exp( a ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( a )<<1 ) )
+              && (uint64_t) ( extractFloatx80Frac( a )<<1 ) )
          || (    ( extractFloatx80Exp( b ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( b )<<1 ) )
+              && (uint64_t) ( extractFloatx80Frac( b )<<1 ) )
        ) {
         float_raise( float_flag_invalid STATUS_VAR);
         return 0;
@@ -4554,7 +4554,7 @@ int floatx80_le( floatx80 a, floatx80 b STATUS_PARAM )
     if ( aSign != bSign ) {
         return
                aSign
-            || (    ( ( (bits16) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
+            || (    ( ( (uint16_t) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
                  == 0 );
     }
     return
@@ -4575,9 +4575,9 @@ int floatx80_lt( floatx80 a, floatx80 b STATUS_PARAM )
     flag aSign, bSign;
 
     if (    (    ( extractFloatx80Exp( a ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( a )<<1 ) )
+              && (uint64_t) ( extractFloatx80Frac( a )<<1 ) )
          || (    ( extractFloatx80Exp( b ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( b )<<1 ) )
+              && (uint64_t) ( extractFloatx80Frac( b )<<1 ) )
        ) {
         float_raise( float_flag_invalid STATUS_VAR);
         return 0;
@@ -4587,7 +4587,7 @@ int floatx80_lt( floatx80 a, floatx80 b STATUS_PARAM )
     if ( aSign != bSign ) {
         return
                aSign
-            && (    ( ( (bits16) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
+            && (    ( ( (uint16_t) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
                  != 0 );
     }
     return
@@ -4607,9 +4607,9 @@ int floatx80_eq_signaling( floatx80 a, floatx80 b STATUS_PARAM )
 {
 
     if (    (    ( extractFloatx80Exp( a ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( a )<<1 ) )
+              && (uint64_t) ( extractFloatx80Frac( a )<<1 ) )
          || (    ( extractFloatx80Exp( b ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( b )<<1 ) )
+              && (uint64_t) ( extractFloatx80Frac( b )<<1 ) )
        ) {
         float_raise( float_flag_invalid STATUS_VAR);
         return 0;
@@ -4618,7 +4618,7 @@ int floatx80_eq_signaling( floatx80 a, floatx80 b STATUS_PARAM )
            ( a.low == b.low )
         && (    ( a.high == b.high )
              || (    ( a.low == 0 )
-                  && ( (bits16) ( ( a.high | b.high )<<1 ) == 0 ) )
+                  && ( (uint16_t) ( ( a.high | b.high )<<1 ) == 0 ) )
            );
 
 }
@@ -4635,9 +4635,9 @@ int floatx80_le_quiet( floatx80 a, floatx80 b STATUS_PARAM )
     flag aSign, bSign;
 
     if (    (    ( extractFloatx80Exp( a ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( a )<<1 ) )
+              && (uint64_t) ( extractFloatx80Frac( a )<<1 ) )
          || (    ( extractFloatx80Exp( b ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( b )<<1 ) )
+              && (uint64_t) ( extractFloatx80Frac( b )<<1 ) )
        ) {
         if (    floatx80_is_signaling_nan( a )
              || floatx80_is_signaling_nan( b ) ) {
@@ -4650,7 +4650,7 @@ int floatx80_le_quiet( floatx80 a, floatx80 b STATUS_PARAM )
     if ( aSign != bSign ) {
         return
                aSign
-            || (    ( ( (bits16) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
+            || (    ( ( (uint16_t) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
                  == 0 );
     }
     return
@@ -4671,9 +4671,9 @@ int floatx80_lt_quiet( floatx80 a, floatx80 b STATUS_PARAM )
     flag aSign, bSign;
 
     if (    (    ( extractFloatx80Exp( a ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( a )<<1 ) )
+              && (uint64_t) ( extractFloatx80Frac( a )<<1 ) )
          || (    ( extractFloatx80Exp( b ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( b )<<1 ) )
+              && (uint64_t) ( extractFloatx80Frac( b )<<1 ) )
        ) {
         if (    floatx80_is_signaling_nan( a )
              || floatx80_is_signaling_nan( b ) ) {
@@ -4686,7 +4686,7 @@ int floatx80_lt_quiet( floatx80 a, floatx80 b STATUS_PARAM )
     if ( aSign != bSign ) {
         return
                aSign
-            && (    ( ( (bits16) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
+            && (    ( ( (uint16_t) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
                  != 0 );
     }
     return
@@ -4713,7 +4713,7 @@ int32 float128_to_int32( float128 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp, shiftCount;
-    bits64 aSig0, aSig1;
+    uint64_t aSig0, aSig1;
 
     aSig1 = extractFloat128Frac1( a );
     aSig0 = extractFloat128Frac0( a );
@@ -4742,7 +4742,7 @@ int32 float128_to_int32_round_to_zero( float128 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp, shiftCount;
-    bits64 aSig0, aSig1, savedASig;
+    uint64_t aSig0, aSig1, savedASig;
     int32 z;
 
     aSig1 = extractFloat128Frac1( a );
@@ -4767,7 +4767,7 @@ int32 float128_to_int32_round_to_zero( float128 a STATUS_PARAM )
     if ( ( z < 0 ) ^ aSign ) {
  invalid:
         float_raise( float_flag_invalid STATUS_VAR);
-        return aSign ? (sbits32) 0x80000000 : 0x7FFFFFFF;
+        return aSign ? (int32_t) 0x80000000 : 0x7FFFFFFF;
     }
     if ( ( aSig0<<shiftCount ) != savedASig ) {
         STATUS(float_exception_flags) |= float_flag_inexact;
@@ -4790,7 +4790,7 @@ int64 float128_to_int64( float128 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp, shiftCount;
-    bits64 aSig0, aSig1;
+    uint64_t aSig0, aSig1;
 
     aSig1 = extractFloat128Frac1( a );
     aSig0 = extractFloat128Frac0( a );
@@ -4808,7 +4808,7 @@ int64 float128_to_int64( float128 a STATUS_PARAM )
                ) {
                 return LIT64( 0x7FFFFFFFFFFFFFFF );
             }
-            return (sbits64) LIT64( 0x8000000000000000 );
+            return (int64_t) LIT64( 0x8000000000000000 );
         }
         shortShift128Left( aSig0, aSig1, - shiftCount, &aSig0, &aSig1 );
     }
@@ -4833,7 +4833,7 @@ int64 float128_to_int64_round_to_zero( float128 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp, shiftCount;
-    bits64 aSig0, aSig1;
+    uint64_t aSig0, aSig1;
     int64 z;
 
     aSig1 = extractFloat128Frac1( a );
@@ -4855,10 +4855,10 @@ int64 float128_to_int64_round_to_zero( float128 a STATUS_PARAM )
                     return LIT64( 0x7FFFFFFFFFFFFFFF );
                 }
             }
-            return (sbits64) LIT64( 0x8000000000000000 );
+            return (int64_t) LIT64( 0x8000000000000000 );
         }
         z = ( aSig0<<shiftCount ) | ( aSig1>>( ( - shiftCount ) & 63 ) );
-        if ( (bits64) ( aSig1<<shiftCount ) ) {
+        if ( (uint64_t) ( aSig1<<shiftCount ) ) {
             STATUS(float_exception_flags) |= float_flag_inexact;
         }
     }
@@ -4871,7 +4871,7 @@ int64 float128_to_int64_round_to_zero( float128 a STATUS_PARAM )
         }
         z = aSig0>>( - shiftCount );
         if (    aSig1
-             || ( shiftCount && (bits64) ( aSig0<<( shiftCount & 63 ) ) ) ) {
+             || ( shiftCount && (uint64_t) ( aSig0<<( shiftCount & 63 ) ) ) ) {
             STATUS(float_exception_flags) |= float_flag_inexact;
         }
     }
@@ -4891,8 +4891,8 @@ float32 float128_to_float32( float128 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp;
-    bits64 aSig0, aSig1;
-    bits32 zSig;
+    uint64_t aSig0, aSig1;
+    uint32_t zSig;
 
     aSig1 = extractFloat128Frac1( a );
     aSig0 = extractFloat128Frac0( a );
@@ -4926,7 +4926,7 @@ float64 float128_to_float64( float128 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp;
-    bits64 aSig0, aSig1;
+    uint64_t aSig0, aSig1;
 
     aSig1 = extractFloat128Frac1( a );
     aSig0 = extractFloat128Frac0( a );
@@ -4961,7 +4961,7 @@ floatx80 float128_to_floatx80( float128 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp;
-    bits64 aSig0, aSig1;
+    uint64_t aSig0, aSig1;
 
     aSig1 = extractFloat128Frac1( a );
     aSig0 = extractFloat128Frac0( a );
@@ -4998,7 +4998,7 @@ float128 float128_round_to_int( float128 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp;
-    bits64 lastBitMask, roundBitsMask;
+    uint64_t lastBitMask, roundBitsMask;
     int8 roundingMode;
     float128 z;
 
@@ -5023,9 +5023,9 @@ float128 float128_round_to_int( float128 a STATUS_PARAM )
                 if ( ( z.low & roundBitsMask ) == 0 ) z.low &= ~ lastBitMask;
             }
             else {
-                if ( (sbits64) z.low < 0 ) {
+                if ( (int64_t) z.low < 0 ) {
                     ++z.high;
-                    if ( (bits64) ( z.low<<1 ) == 0 ) z.high &= ~1;
+                    if ( (uint64_t) ( z.low<<1 ) == 0 ) z.high &= ~1;
                 }
             }
         }
@@ -5039,7 +5039,7 @@ float128 float128_round_to_int( float128 a STATUS_PARAM )
     }
     else {
         if ( aExp < 0x3FFF ) {
-            if ( ( ( (bits64) ( a.high<<1 ) ) | a.low ) == 0 ) return a;
+            if ( ( ( (uint64_t) ( a.high<<1 ) ) | a.low ) == 0 ) return a;
             STATUS(float_exception_flags) |= float_flag_inexact;
             aSign = extractFloat128Sign( a );
             switch ( STATUS(float_rounding_mode) ) {
@@ -5101,7 +5101,7 @@ float128 float128_round_to_int( float128 a STATUS_PARAM )
 static float128 addFloat128Sigs( float128 a, float128 b, flag zSign STATUS_PARAM)
 {
     int32 aExp, bExp, zExp;
-    bits64 aSig0, aSig1, bSig0, bSig1, zSig0, zSig1, zSig2;
+    uint64_t aSig0, aSig1, bSig0, bSig1, zSig0, zSig1, zSig2;
     int32 expDiff;
 
     aSig1 = extractFloat128Frac1( a );
@@ -5182,7 +5182,7 @@ static float128 addFloat128Sigs( float128 a, float128 b, flag zSign STATUS_PARAM
 static float128 subFloat128Sigs( float128 a, float128 b, flag zSign STATUS_PARAM)
 {
     int32 aExp, bExp, zExp;
-    bits64 aSig0, aSig1, bSig0, bSig1, zSig0, zSig1;
+    uint64_t aSig0, aSig1, bSig0, bSig1, zSig0, zSig1;
     int32 expDiff;
     float128 z;
 
@@ -5307,7 +5307,7 @@ float128 float128_mul( float128 a, float128 b STATUS_PARAM )
 {
     flag aSign, bSign, zSign;
     int32 aExp, bExp, zExp;
-    bits64 aSig0, aSig1, bSig0, bSig1, zSig0, zSig1, zSig2, zSig3;
+    uint64_t aSig0, aSig1, bSig0, bSig1, zSig0, zSig1, zSig2, zSig3;
     float128 z;
 
     aSig1 = extractFloat128Frac1( a );
@@ -5371,8 +5371,8 @@ float128 float128_div( float128 a, float128 b STATUS_PARAM )
 {
     flag aSign, bSign, zSign;
     int32 aExp, bExp, zExp;
-    bits64 aSig0, aSig1, bSig0, bSig1, zSig0, zSig1, zSig2;
-    bits64 rem0, rem1, rem2, rem3, term0, term1, term2, term3;
+    uint64_t aSig0, aSig1, bSig0, bSig1, zSig0, zSig1, zSig2;
+    uint64_t rem0, rem1, rem2, rem3, term0, term1, term2, term3;
     float128 z;
 
     aSig1 = extractFloat128Frac1( a );
@@ -5426,7 +5426,7 @@ float128 float128_div( float128 a, float128 b STATUS_PARAM )
     zSig0 = estimateDiv128To64( aSig0, aSig1, bSig0 );
     mul128By64To192( bSig0, bSig1, zSig0, &term0, &term1, &term2 );
     sub192( aSig0, aSig1, 0, term0, term1, term2, &rem0, &rem1, &rem2 );
-    while ( (sbits64) rem0 < 0 ) {
+    while ( (int64_t) rem0 < 0 ) {
         --zSig0;
         add192( rem0, rem1, rem2, 0, bSig0, bSig1, &rem0, &rem1, &rem2 );
     }
@@ -5434,7 +5434,7 @@ float128 float128_div( float128 a, float128 b STATUS_PARAM )
     if ( ( zSig1 & 0x3FFF ) <= 4 ) {
         mul128By64To192( bSig0, bSig1, zSig1, &term1, &term2, &term3 );
         sub192( rem1, rem2, 0, term1, term2, term3, &rem1, &rem2, &rem3 );
-        while ( (sbits64) rem1 < 0 ) {
+        while ( (int64_t) rem1 < 0 ) {
             --zSig1;
             add192( rem1, rem2, rem3, 0, bSig0, bSig1, &rem1, &rem2, &rem3 );
         }
@@ -5455,9 +5455,9 @@ float128 float128_rem( float128 a, float128 b STATUS_PARAM )
 {
     flag aSign, zSign;
     int32 aExp, bExp, expDiff;
-    bits64 aSig0, aSig1, bSig0, bSig1, q, term0, term1, term2;
-    bits64 allZero, alternateASig0, alternateASig1, sigMean1;
-    sbits64 sigMean0;
+    uint64_t aSig0, aSig1, bSig0, bSig1, q, term0, term1, term2;
+    uint64_t allZero, alternateASig0, alternateASig1, sigMean1;
+    int64_t sigMean0;
     float128 z;
 
     aSig1 = extractFloat128Frac1( a );
@@ -5539,15 +5539,15 @@ float128 float128_rem( float128 a, float128 b STATUS_PARAM )
         alternateASig1 = aSig1;
         ++q;
         sub128( aSig0, aSig1, bSig0, bSig1, &aSig0, &aSig1 );
-    } while ( 0 <= (sbits64) aSig0 );
+    } while ( 0 <= (int64_t) aSig0 );
     add128(
-        aSig0, aSig1, alternateASig0, alternateASig1, (bits64 *)&sigMean0, &sigMean1 );
+        aSig0, aSig1, alternateASig0, alternateASig1, (uint64_t *)&sigMean0, &sigMean1 );
     if (    ( sigMean0 < 0 )
          || ( ( ( sigMean0 | sigMean1 ) == 0 ) && ( q & 1 ) ) ) {
         aSig0 = alternateASig0;
         aSig1 = alternateASig1;
     }
-    zSign = ( (sbits64) aSig0 < 0 );
+    zSign = ( (int64_t) aSig0 < 0 );
     if ( zSign ) sub128( 0, 0, aSig0, aSig1, &aSig0, &aSig1 );
     return
         normalizeRoundAndPackFloat128( aSign ^ zSign, bExp - 4, aSig0, aSig1 STATUS_VAR );
@@ -5564,8 +5564,8 @@ float128 float128_sqrt( float128 a STATUS_PARAM )
 {
     flag aSign;
     int32 aExp, zExp;
-    bits64 aSig0, aSig1, zSig0, zSig1, zSig2, doubleZSig0;
-    bits64 rem0, rem1, rem2, rem3, term0, term1, term2, term3;
+    uint64_t aSig0, aSig1, zSig0, zSig1, zSig2, doubleZSig0;
+    uint64_t rem0, rem1, rem2, rem3, term0, term1, term2, term3;
     float128 z;
 
     aSig1 = extractFloat128Frac1( a );
@@ -5597,7 +5597,7 @@ float128 float128_sqrt( float128 a STATUS_PARAM )
     doubleZSig0 = zSig0<<1;
     mul64To128( zSig0, zSig0, &term0, &term1 );
     sub128( aSig0, aSig1, term0, term1, &rem0, &rem1 );
-    while ( (sbits64) rem0 < 0 ) {
+    while ( (int64_t) rem0 < 0 ) {
         --zSig0;
         doubleZSig0 -= 2;
         add128( rem0, rem1, zSig0>>63, doubleZSig0 | 1, &rem0, &rem1 );
@@ -5609,7 +5609,7 @@ float128 float128_sqrt( float128 a STATUS_PARAM )
         sub128( rem1, 0, term1, term2, &rem1, &rem2 );
         mul64To128( zSig1, zSig1, &term2, &term3 );
         sub192( rem1, rem2, 0, 0, term2, term3, &rem1, &rem2, &rem3 );
-        while ( (sbits64) rem1 < 0 ) {
+        while ( (int64_t) rem1 < 0 ) {
             --zSig1;
             shortShift128Left( 0, zSig1, 1, &term2, &term3 );
             term3 |= 1;
@@ -5647,7 +5647,7 @@ int float128_eq( float128 a, float128 b STATUS_PARAM )
            ( a.low == b.low )
         && (    ( a.high == b.high )
              || (    ( a.low == 0 )
-                  && ( (bits64) ( ( a.high | b.high )<<1 ) == 0 ) )
+                  && ( (uint64_t) ( ( a.high | b.high )<<1 ) == 0 ) )
            );
 
 }
@@ -5676,7 +5676,7 @@ int float128_le( float128 a, float128 b STATUS_PARAM )
     if ( aSign != bSign ) {
         return
                aSign
-            || (    ( ( (bits64) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
+            || (    ( ( (uint64_t) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
                  == 0 );
     }
     return
@@ -5708,7 +5708,7 @@ int float128_lt( float128 a, float128 b STATUS_PARAM )
     if ( aSign != bSign ) {
         return
                aSign
-            && (    ( ( (bits64) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
+            && (    ( ( (uint64_t) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
                  != 0 );
     }
     return
@@ -5739,7 +5739,7 @@ int float128_eq_signaling( float128 a, float128 b STATUS_PARAM )
            ( a.low == b.low )
         && (    ( a.high == b.high )
              || (    ( a.low == 0 )
-                  && ( (bits64) ( ( a.high | b.high )<<1 ) == 0 ) )
+                  && ( (uint64_t) ( ( a.high | b.high )<<1 ) == 0 ) )
            );
 
 }
@@ -5771,7 +5771,7 @@ int float128_le_quiet( float128 a, float128 b STATUS_PARAM )
     if ( aSign != bSign ) {
         return
                aSign
-            || (    ( ( (bits64) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
+            || (    ( ( (uint64_t) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
                  == 0 );
     }
     return
@@ -5807,7 +5807,7 @@ int float128_lt_quiet( float128 a, float128 b STATUS_PARAM )
     if ( aSign != bSign ) {
         return
                aSign
-            && (    ( ( (bits64) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
+            && (    ( ( (uint64_t) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
                  != 0 );
     }
     return
@@ -5965,7 +5965,7 @@ INLINE int float ## s ## _compare_internal( float ## s a, float ## s b,      \
                                       int is_quiet STATUS_PARAM )            \
 {                                                                            \
     flag aSign, bSign;                                                       \
-    bits ## s av, bv;                                                        \
+    uint ## s ## _t av, bv;                                                  \
     a = float ## s ## _squash_input_denormal(a STATUS_VAR);                  \
     b = float ## s ## _squash_input_denormal(b STATUS_VAR);                  \
                                                                              \
@@ -5985,7 +5985,7 @@ INLINE int float ## s ## _compare_internal( float ## s a, float ## s b,      \
     av = float ## s ## _val(a);                                              \
     bv = float ## s ## _val(b);                                              \
     if ( aSign != bSign ) {                                                  \
-        if ( (bits ## s) ( ( av | bv )<<1 ) == 0 ) {                         \
+        if ( (uint ## s ## _t) ( ( av | bv )<<1 ) == 0 ) {                   \
             /* zero case */                                                  \
             return float_relation_equal;                                     \
         } else {                                                             \
@@ -6062,7 +6062,7 @@ float32 float32_scalbn( float32 a, int n STATUS_PARAM )
 {
     flag aSign;
     int16 aExp;
-    bits32 aSig;
+    uint32_t aSig;
 
     a = float32_squash_input_denormal(a STATUS_VAR);
     aSig = extractFloat32Frac( a );
@@ -6086,7 +6086,7 @@ float64 float64_scalbn( float64 a, int n STATUS_PARAM )
 {
     flag aSign;
     int16 aExp;
-    bits64 aSig;
+    uint64_t aSig;
 
     a = float64_squash_input_denormal(a STATUS_VAR);
     aSig = extractFloat64Frac( a );
@@ -6111,7 +6111,7 @@ floatx80 floatx80_scalbn( floatx80 a, int n STATUS_PARAM )
 {
     flag aSign;
     int16 aExp;
-    bits64 aSig;
+    uint64_t aSig;
 
     aSig = extractFloatx80Frac( a );
     aExp = extractFloatx80Exp( a );
@@ -6134,7 +6134,7 @@ float128 float128_scalbn( float128 a, int n STATUS_PARAM )
 {
     flag aSign;
     int32 aExp;
-    bits64 aSig0, aSig1;
+    uint64_t aSig0, aSig1;
 
     aSig1 = extractFloat128Frac1( a );
     aSig0 = extractFloat128Frac0( a );
diff --git a/fpu/softfloat.h b/fpu/softfloat.h
index 29492bc..5d05fa5 100644
--- a/fpu/softfloat.h
+++ b/fpu/softfloat.h
@@ -65,21 +65,6 @@ typedef signed int int32;
 typedef uint64_t uint64;
 typedef int64_t int64;
 
-/*----------------------------------------------------------------------------
-| Each of the following `typedef's defines a type that holds integers
-| of _exactly_ the number of bits specified.  For instance, for most
-| implementation of C, `bits16' and `sbits16' should be `typedef'ed to
-| `unsigned short int' and `signed short int' (or `short int'), respectively.
-*----------------------------------------------------------------------------*/
-typedef uint8_t bits8;
-typedef int8_t sbits8;
-typedef uint16_t bits16;
-typedef int16_t sbits16;
-typedef uint32_t bits32;
-typedef int32_t sbits32;
-typedef uint64_t bits64;
-typedef int64_t sbits64;
-
 #define LIT64( a ) a##LL
 #define INLINE static inline
 
