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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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5
include/fpu/softfloat-helpers.h
View File

@ -95,6 +95,11 @@ static inline void set_snan_bit_is_one(bool val, float_status *status)
status->snan_bit_is_one = val;
}
static inline void set_use_first_nan(bool val, float_status *status)
{
status->use_first_nan = val;
}
static inline void set_no_signaling_nans(bool val, float_status *status)
{
status->no_signaling_nans = val;

1
include/fpu/softfloat-types.h
View File

@ -171,6 +171,7 @@ typedef struct float_status {
* softfloat-specialize.inc.c)
*/
bool snan_bit_is_one;
bool use_first_nan;
bool no_signaling_nans;
} float_status;