softfloat: Use uint16 consistently

Prepares for uint16 replacement.
Signed-off-by: NAndreas Färber <andreas.faerber@web.de>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

fpu/softfloat.c

@@ -6011,10 +6011,10 @@ unsigned int float32_to_uint32_round_to_zero( float32 a STATUS_PARAM )
     return res;
 }
 
-unsigned int float32_to_uint16_round_to_zero( float32 a STATUS_PARAM )
+uint16 float32_to_uint16_round_to_zero( float32 a STATUS_PARAM )
 {
     int64_t v;
-    unsigned int res;
+    uint16 res;
 
     v = float32_to_int64_round_to_zero(a STATUS_VAR);
     if (v < 0) {
@@ -6065,10 +6065,10 @@ unsigned int float64_to_uint32_round_to_zero( float64 a STATUS_PARAM )
     return res;
 }
 
-unsigned int float64_to_uint16_round_to_zero( float64 a STATUS_PARAM )
+uint16 float64_to_uint16_round_to_zero( float64 a STATUS_PARAM )
 {
     int64_t v;
-    unsigned int res;
+    uint16 res;
 
     v = float64_to_int64_round_to_zero(a STATUS_VAR);
     if (v < 0) {

fpu/softfloat.h

@@ -249,7 +249,7 @@ extern const float16 float16_default_nan;
 | Software IEC/IEEE single-precision conversion routines.
 *----------------------------------------------------------------------------*/
 int16 float32_to_int16_round_to_zero( float32 STATUS_PARAM );
-unsigned int float32_to_uint16_round_to_zero( float32 STATUS_PARAM );
+uint16 float32_to_uint16_round_to_zero( float32 STATUS_PARAM );
 int32 float32_to_int32( float32 STATUS_PARAM );
 int32 float32_to_int32_round_to_zero( float32 STATUS_PARAM );
 uint32 float32_to_uint32( float32 STATUS_PARAM );
@@ -352,7 +352,7 @@ extern const float32 float32_default_nan;
 | Software IEC/IEEE double-precision conversion routines.
 *----------------------------------------------------------------------------*/
 int16 float64_to_int16_round_to_zero( float64 STATUS_PARAM );
-unsigned int float64_to_uint16_round_to_zero( float64 STATUS_PARAM );
+uint16 float64_to_uint16_round_to_zero( float64 STATUS_PARAM );
 int32 float64_to_int32( float64 STATUS_PARAM );
 int32 float64_to_int32_round_to_zero( float64 STATUS_PARAM );
 uint32 float64_to_uint32( float64 STATUS_PARAM );