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-rw-r--r--target/tricore/helper.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/target/tricore/helper.c b/target/tricore/helper.c
index 7014255f77..e8b0ec5161 100644
--- a/target/tricore/helper.c
+++ b/target/tricore/helper.c
@@ -117,6 +117,8 @@ void fpu_set_state(CPUTriCoreState *env)
     set_flush_to_zero(1, &env->fp_status);
     set_float_detect_tininess(float_tininess_before_rounding, &env->fp_status);
     set_default_nan_mode(1, &env->fp_status);
+    /* Default NaN pattern: sign bit clear, frac msb set */
+    set_float_default_nan_pattern(0b01000000, &env->fp_status);
 }
 
 uint32_t psw_read(CPUTriCoreState *env)