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-rw-r--r--fpu/softfloat.c57
1 files changed, 34 insertions, 23 deletions
diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index 65d457a548..93d8a03de6 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -759,6 +759,8 @@ static FloatParts round_canonical(FloatParts p, float_status *s,
case float_round_to_odd:
inc = frac & frac_lsb ? 0 : round_mask;
break;
+ default:
+ break;
}
flags |= float_flag_inexact;
frac += inc;
@@ -1928,7 +1930,7 @@ float32 float64_to_float32(float64 a, float_status *s)
* Arithmetic.
*/
-static FloatParts round_to_int(FloatParts a, int rmode,
+static FloatParts round_to_int(FloatParts a, FloatRoundMode rmode,
int scale, float_status *s)
{
switch (a.cls) {
@@ -2061,8 +2063,8 @@ float64 float64_round_to_int(float64 a, float_status *s)
* is returned.
*/
-static int64_t round_to_int_and_pack(FloatParts in, int rmode, int scale,
- int64_t min, int64_t max,
+static int64_t round_to_int_and_pack(FloatParts in, FloatRoundMode rmode,
+ int scale, int64_t min, int64_t max,
float_status *s)
{
uint64_t r;
@@ -2107,63 +2109,63 @@ static int64_t round_to_int_and_pack(FloatParts in, int rmode, int scale,
}
}
-int16_t float16_to_int16_scalbn(float16 a, int rmode, int scale,
+int16_t float16_to_int16_scalbn(float16 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_int_and_pack(float16_unpack_canonical(a, s),
rmode, scale, INT16_MIN, INT16_MAX, s);
}
-int32_t float16_to_int32_scalbn(float16 a, int rmode, int scale,
+int32_t float16_to_int32_scalbn(float16 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_int_and_pack(float16_unpack_canonical(a, s),
rmode, scale, INT32_MIN, INT32_MAX, s);
}
-int64_t float16_to_int64_scalbn(float16 a, int rmode, int scale,
+int64_t float16_to_int64_scalbn(float16 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_int_and_pack(float16_unpack_canonical(a, s),
rmode, scale, INT64_MIN, INT64_MAX, s);
}
-int16_t float32_to_int16_scalbn(float32 a, int rmode, int scale,
+int16_t float32_to_int16_scalbn(float32 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_int_and_pack(float32_unpack_canonical(a, s),
rmode, scale, INT16_MIN, INT16_MAX, s);
}
-int32_t float32_to_int32_scalbn(float32 a, int rmode, int scale,
+int32_t float32_to_int32_scalbn(float32 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_int_and_pack(float32_unpack_canonical(a, s),
rmode, scale, INT32_MIN, INT32_MAX, s);
}
-int64_t float32_to_int64_scalbn(float32 a, int rmode, int scale,
+int64_t float32_to_int64_scalbn(float32 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_int_and_pack(float32_unpack_canonical(a, s),
rmode, scale, INT64_MIN, INT64_MAX, s);
}
-int16_t float64_to_int16_scalbn(float64 a, int rmode, int scale,
+int16_t float64_to_int16_scalbn(float64 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_int_and_pack(float64_unpack_canonical(a, s),
rmode, scale, INT16_MIN, INT16_MAX, s);
}
-int32_t float64_to_int32_scalbn(float64 a, int rmode, int scale,
+int32_t float64_to_int32_scalbn(float64 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_int_and_pack(float64_unpack_canonical(a, s),
rmode, scale, INT32_MIN, INT32_MAX, s);
}
-int64_t float64_to_int64_scalbn(float64 a, int rmode, int scale,
+int64_t float64_to_int64_scalbn(float64 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_int_and_pack(float64_unpack_canonical(a, s),
@@ -2273,8 +2275,9 @@ int64_t float64_to_int64_round_to_zero(float64 a, float_status *s)
* flag.
*/
-static uint64_t round_to_uint_and_pack(FloatParts in, int rmode, int scale,
- uint64_t max, float_status *s)
+static uint64_t round_to_uint_and_pack(FloatParts in, FloatRoundMode rmode,
+ int scale, uint64_t max,
+ float_status *s)
{
int orig_flags = get_float_exception_flags(s);
FloatParts p = round_to_int(in, rmode, scale, s);
@@ -2319,63 +2322,63 @@ static uint64_t round_to_uint_and_pack(FloatParts in, int rmode, int scale,
}
}
-uint16_t float16_to_uint16_scalbn(float16 a, int rmode, int scale,
+uint16_t float16_to_uint16_scalbn(float16 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_uint_and_pack(float16_unpack_canonical(a, s),
rmode, scale, UINT16_MAX, s);
}
-uint32_t float16_to_uint32_scalbn(float16 a, int rmode, int scale,
+uint32_t float16_to_uint32_scalbn(float16 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_uint_and_pack(float16_unpack_canonical(a, s),
rmode, scale, UINT32_MAX, s);
}
-uint64_t float16_to_uint64_scalbn(float16 a, int rmode, int scale,
+uint64_t float16_to_uint64_scalbn(float16 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_uint_and_pack(float16_unpack_canonical(a, s),
rmode, scale, UINT64_MAX, s);
}
-uint16_t float32_to_uint16_scalbn(float32 a, int rmode, int scale,
+uint16_t float32_to_uint16_scalbn(float32 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_uint_and_pack(float32_unpack_canonical(a, s),
rmode, scale, UINT16_MAX, s);
}
-uint32_t float32_to_uint32_scalbn(float32 a, int rmode, int scale,
+uint32_t float32_to_uint32_scalbn(float32 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_uint_and_pack(float32_unpack_canonical(a, s),
rmode, scale, UINT32_MAX, s);
}
-uint64_t float32_to_uint64_scalbn(float32 a, int rmode, int scale,
+uint64_t float32_to_uint64_scalbn(float32 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_uint_and_pack(float32_unpack_canonical(a, s),
rmode, scale, UINT64_MAX, s);
}
-uint16_t float64_to_uint16_scalbn(float64 a, int rmode, int scale,
+uint16_t float64_to_uint16_scalbn(float64 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_uint_and_pack(float64_unpack_canonical(a, s),
rmode, scale, UINT16_MAX, s);
}
-uint32_t float64_to_uint32_scalbn(float64 a, int rmode, int scale,
+uint32_t float64_to_uint32_scalbn(float64 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_uint_and_pack(float64_unpack_canonical(a, s),
rmode, scale, UINT32_MAX, s);
}
-uint64_t float64_to_uint64_scalbn(float64 a, int rmode, int scale,
+uint64_t float64_to_uint64_scalbn(float64 a, FloatRoundMode rmode, int scale,
float_status *s)
{
return round_to_uint_and_pack(float64_unpack_canonical(a, s),
@@ -5715,6 +5718,11 @@ floatx80 floatx80_round_to_int(floatx80 a, float_status *status)
return
aSign ? packFloatx80( 1, 0, 0 )
: packFloatx80( 0, 0x3FFF, UINT64_C(0x8000000000000000));
+
+ case float_round_to_zero:
+ break;
+ default:
+ g_assert_not_reached();
}
return packFloatx80( aSign, 0, 0 );
}
@@ -7047,6 +7055,9 @@ float128 float128_round_to_int(float128 a, float_status *status)
case float_round_to_odd:
return packFloat128(aSign, 0x3FFF, 0, 0);
+
+ case float_round_to_zero:
+ break;
}
return packFloat128( aSign, 0, 0, 0 );
}