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| author | Richard Henderson <richard.henderson@linaro.org> | 2020-10-23 16:37:01 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-05-16 07:13:51 -0500 |
| commit | e9034ea87e33d2e981a79d6f34567bd8e31c91a3 (patch) | |
| tree | 1ec7f04a54472920a4188e744076cc4f607181d7 /fpu/softfloat.c | |
| parent | 0018b1f41bf37f8c3dff7663395a231c8a77771d (diff) | |
softfloat: Convert float128_default_nan to parts
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'fpu/softfloat.c')
| -rw-r--r-- | fpu/softfloat.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/fpu/softfloat.c b/fpu/softfloat.c index f8f4ef51e8..08fd812ea0 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -706,7 +706,7 @@ static float128 float128_pack_raw(const FloatParts128 *p) #define PARTS_GENERIC_64_128(NAME, P) \ QEMU_GENERIC(P, (FloatParts128 *, parts128_##NAME), parts64_##NAME) -#define parts_default_nan parts64_default_nan +#define parts_default_nan(P, S) PARTS_GENERIC_64_128(default_nan, P)(P, S) #define parts_silence_nan(P, S) PARTS_GENERIC_64_128(silence_nan, P)(P, S) @@ -3837,20 +3837,11 @@ float64 float64_default_nan(float_status *status) float128 float128_default_nan(float_status *status) { - FloatParts64 p; - float128 r; + FloatParts128 p; parts_default_nan(&p, status); - /* Extrapolate from the choices made by parts_default_nan to fill - * in the quad-floating format. If the low bit is set, assume we - * want to set all non-snan bits. - */ - r.low = -(p.frac & 1); - r.high = p.frac >> (DECOMPOSED_BINARY_POINT - 48); - r.high |= UINT64_C(0x7FFF000000000000); - r.high |= (uint64_t)p.sign << 63; - - return r; + frac_shr(&p, float128_params.frac_shift); + return float128_pack_raw(&p); } bfloat16 bfloat16_default_nan(float_status *status) |