diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2010-12-07 15:37:34 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2010-12-07 15:37:34 +0000 |
| commit | cbcef455a2d29cdd19f4f0a21990cd76c0d03102 (patch) | |
| tree | 8a0080abccbb4db822e5ce84085dd6355d372513 /fpu/softfloat.h | |
| parent | 26a5e69aafd0434922316e4185c45c9bddd4b9ba (diff) | |
| download | qemu-cbcef455a2d29cdd19f4f0a21990cd76c0d03102.tar.gz | |
softfloat: Add float/double to 16 bit integer conversion functions
The ARM architecture needs float/double to 16 bit integer conversions.
(The 32 bit versions aren't sufficient because of the requirement
to saturate at 16 bit MAXINT/MININT and to get the exception bits right.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Nathan Froyd <froydnj@codesourcery.com>
Diffstat (limited to 'fpu/softfloat.h')
| -rw-r--r-- | fpu/softfloat.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fpu/softfloat.h b/fpu/softfloat.h index 2e651e2605..1c1004de97 100644 --- a/fpu/softfloat.h +++ b/fpu/softfloat.h @@ -251,6 +251,8 @@ float32 float16_to_float32( bits16, flag STATUS_PARAM ); /*---------------------------------------------------------------------------- | Software IEC/IEEE single-precision conversion routines. *----------------------------------------------------------------------------*/ +int float32_to_int16_round_to_zero( float32 STATUS_PARAM ); +unsigned int float32_to_uint16_round_to_zero( float32 STATUS_PARAM ); int float32_to_int32( float32 STATUS_PARAM ); int float32_to_int32_round_to_zero( float32 STATUS_PARAM ); unsigned int float32_to_uint32( float32 STATUS_PARAM ); @@ -327,6 +329,8 @@ INLINE int float32_is_any_nan(float32 a) /*---------------------------------------------------------------------------- | Software IEC/IEEE double-precision conversion routines. *----------------------------------------------------------------------------*/ +int float64_to_int16_round_to_zero( float64 STATUS_PARAM ); +unsigned int float64_to_uint16_round_to_zero( float64 STATUS_PARAM ); int float64_to_int32( float64 STATUS_PARAM ); int float64_to_int32_round_to_zero( float64 STATUS_PARAM ); unsigned int float64_to_uint32( float64 STATUS_PARAM ); |