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target/xtensa: Set default NaN pattern explicitly

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Set the default NaN pattern explicitly for xtensa.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241202131347.498124-51-peter.maydell@linaro.org
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Peter Maydell
2024-12-11 15:31:07 +00:00
parent 45fb2cd61e
commit b9aa1e5658
1 changed files with 2 additions and 0 deletions
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target/xtensa/cpu.c
+2
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@@ -136,6 +136,8 @@ static void xtensa_cpu_reset_hold(Object *obj, ResetType type)
/* For inf * 0 + NaN, return the input NaN */
set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->fp_status);
set_no_signaling_nans(!dfpu, &env->fp_status);
/* Default NaN value: sign bit clear, set frac msb */
set_float_default_nan_pattern(0b01000000, &env->fp_status);
xtensa_use_first_nan(env, !dfpu);
}