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softfloat: pass float_status pointer to pickNaN

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Pass float_status structure pointer to the pickNaN so that
machine-specific settings are available to NaN selection code.
Add use_first_nan property to float_status and use it in Xtensa-specific
pickNaN.

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: "Alex Bennée" <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2020-06-30 19:35:57 -07:00
parent cc43c69251
commit 913602e3ff
4 changed files with 31 additions and 7 deletions
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2
fpu/softfloat.c
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@ -881,7 +881,7 @@ static FloatParts pick_nan(FloatParts a, FloatParts b, float_status *s)
} else {
if (pickNaN(a.cls, b.cls,
a.frac > b.frac ||
(a.frac == b.frac && a.sign < b.sign))) {
(a.frac == b.frac && a.sign < b.sign), s)) {
a = b;
}
if (is_snan(a.cls)) {