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authorPeter Maydell <peter.maydell@linaro.org>2010-12-07 15:37:34 +0000
committerPeter Maydell <peter.maydell@linaro.org>2010-12-07 15:37:34 +0000
commitcbcef455a2d29cdd19f4f0a21990cd76c0d03102 (patch)
tree8a0080abccbb4db822e5ce84085dd6355d372513 /fpu/softfloat.h
parent26a5e69aafd0434922316e4185c45c9bddd4b9ba (diff)
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.h4
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 );