target/s390x: Set default NaN pattern explicitly

Set the default NaN pattern explicitly for s390x.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241202131347.498124-49-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2024-12-11 15:31:07 +00:00
parent 031af9cd9b
commit 5ab49c3a09

View File

@ -209,6 +209,8 @@ static void s390_cpu_reset_hold(Object *obj, ResetType type)
set_float_3nan_prop_rule(float_3nan_prop_s_abc, &env->fpu_status); set_float_3nan_prop_rule(float_3nan_prop_s_abc, &env->fpu_status);
set_float_infzeronan_rule(float_infzeronan_dnan_always, set_float_infzeronan_rule(float_infzeronan_dnan_always,
&env->fpu_status); &env->fpu_status);
/* Default NaN value: sign bit clear, frac msb set */
set_float_default_nan_pattern(0b01000000, &env->fpu_status);
/* fall through */ /* fall through */
case RESET_TYPE_S390_CPU_NORMAL: case RESET_TYPE_S390_CPU_NORMAL:
env->psw.mask &= ~PSW_MASK_RI; env->psw.mask &= ~PSW_MASK_RI;