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target/loongarch: Set default NaN pattern explicitly

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Set the default NaN pattern explicitly for loongarch.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241202131347.498124-42-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2024-12-11 15:31:05 +00:00
parent 29fbe4786e
commit 7d582aa7cc
1 changed files with 2 additions and 0 deletions
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target/loongarch/tcg/fpu_helper.c
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@ -38,6 +38,8 @@ void restore_fp_status(CPULoongArchState *env)
*/
set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->fp_status);
set_float_3nan_prop_rule(float_3nan_prop_s_cab, &env->fp_status);
/* Default NaN: sign bit clear, msb frac bit set */
set_float_default_nan_pattern(0b01000000, &env->fp_status);
}
int ieee_ex_to_loongarch(int xcpt)