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softfloat: add float{32,64}_is_zero_or_normal

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These will gain some users very soon.

Backports commit 315df0d193929b167b9d7be4665d5f2c0e2427e0 from qemu
This commit is contained in:
Emilio G. Cota 2018-12-19 10:31:07 -05:00 committed by Lioncash
parent a9d9005399
commit 5d3ccde625
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1 changed files with 10 additions and 0 deletions
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10
qemu/include/fpu/softfloat.h
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@ -479,6 +479,11 @@ static inline bool float32_is_denormal(float32 a)
return float32_is_zero_or_denormal(a) && !float32_is_zero(a);
}
static inline bool float32_is_zero_or_normal(float32 a)
{
return float32_is_normal(a) || float32_is_zero(a);
}
static inline float32 float32_set_sign(float32 a, int sign)
{
return make_float32((float32_val(a) & 0x7fffffff) | (sign << 31));
@ -631,6 +636,11 @@ static inline bool float64_is_denormal(float64 a)
return float64_is_zero_or_denormal(a) && !float64_is_zero(a);
}
static inline bool float64_is_zero_or_normal(float64 a)
{
return float64_is_normal(a) || float64_is_zero(a);
}
static inline float64 float64_set_sign(float64 a, int sign)
{
return make_float64((float64_val(a) & 0x7fffffffffffffffULL)