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fpu/softfloat: Make is_nan et al available to softfloat-specialize.h

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We will need these helpers within softfloat-specialize.h, so move
the definitions above the include.  After specialization, they will
not always be used so mark them to avoid the Werror.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2018-05-11 10:36:25 -07:00
parent 03385dfdaa
commit 247d1f2190
1 changed files with 16 additions and 14 deletions
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30
fpu/softfloat.c
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@ -181,6 +181,22 @@ typedef enum __attribute__ ((__packed__)) {
float_class_snan,
} FloatClass;
/* Simple helpers for checking if, or what kind of, NaN we have */
static inline __attribute__((unused)) bool is_nan(FloatClass c)
{
return unlikely(c >= float_class_qnan);
}
static inline __attribute__((unused)) bool is_snan(FloatClass c)
{
return c == float_class_snan;
}
static inline __attribute__((unused)) bool is_qnan(FloatClass c)
{
return c == float_class_qnan;
}
/*
* Structure holding all of the decomposed parts of a float. The
* exponent is unbiased and the fraction is normalized. All
@ -536,20 +552,6 @@ static float64 float64_round_pack_canonical(FloatParts p, float_status *s)
return float64_pack_raw(round_canonical(p, s, &float64_params));
}
/* Simple helpers for checking if what NaN we have */
static bool is_nan(FloatClass c)
{
return unlikely(c >= float_class_qnan);
}
static bool is_snan(FloatClass c)
{
return c == float_class_snan;
}
static bool is_qnan(FloatClass c)
{
return c == float_class_qnan;
}
static FloatParts return_nan(FloatParts a, float_status *s)
{
switch (a.cls) {