aboutsummaryrefslogtreecommitdiff
path: root/fpu
diff options
context:
space:
mode:
Diffstat (limited to 'fpu')
-rw-r--r--fpu/softfloat.c58
1 files changed, 13 insertions, 45 deletions
diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index 9caf1ecf9c..be7583780d 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -3345,6 +3345,19 @@ float128 int32_to_float128(int32_t a, float_status *status)
return int64_to_float128(a, status);
}
+floatx80 int64_to_floatx80(int64_t a, float_status *status)
+{
+ FloatParts128 p;
+
+ parts_sint_to_float(&p, a, 0, status);
+ return floatx80_round_pack_canonical(&p, status);
+}
+
+floatx80 int32_to_floatx80(int32_t a, float_status *status)
+{
+ return int64_to_floatx80(a, status);
+}
+
/*
* Unsigned Integer to floating-point conversions
*/
@@ -5033,51 +5046,6 @@ static float128 normalizeRoundAndPackFloat128(bool zSign, int32_t zExp,
}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the 32-bit two's complement integer `a'
-| to the extended double-precision floating-point format. The conversion
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 int32_to_floatx80(int32_t a, float_status *status)
-{
- bool zSign;
- uint32_t absA;
- int8_t shiftCount;
- uint64_t zSig;
-
- if ( a == 0 ) return packFloatx80( 0, 0, 0 );
- zSign = ( a < 0 );
- absA = zSign ? - a : a;
- shiftCount = clz32(absA) + 32;
- zSig = absA;
- return packFloatx80( zSign, 0x403E - shiftCount, zSig<<shiftCount );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the 64-bit two's complement integer `a'
-| to the extended double-precision floating-point format. The conversion
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 int64_to_floatx80(int64_t a, float_status *status)
-{
- bool zSign;
- uint64_t absA;
- int8_t shiftCount;
-
- if ( a == 0 ) return packFloatx80( 0, 0, 0 );
- zSign = ( a < 0 );
- absA = zSign ? - a : a;
- shiftCount = clz64(absA);
- return packFloatx80( zSign, 0x403E - shiftCount, absA<<shiftCount );
-
-}
-
/*----------------------------------------------------------------------------
| Returns the result of converting the single-precision floating-point value
| `a' to the extended double-precision floating-point format. The conversion