target/openrisc: Set default NaN pattern explicitly

Set the default NaN pattern explicitly for openrisc.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241202131347.498124-45-peter.maydell@linaro.org

diff --git a/target/openrisc/cpu.c b/target/openrisc/cpu.c
index b96561d1f265aa25006eba85455a2cd384a26703..3ccf85e95f054650e9a5bb87913237180e2025ce 100644 (file)
--- a/target/openrisc/cpu.c
+++ b/target/openrisc/cpu.c
@@ -111,6 +111,8 @@ static void openrisc_cpu_reset_hold(Object *obj, ResetType type)
      */
     set_float_2nan_prop_rule(float_2nan_prop_x87, &cpu->env.fp_status);
 
+    /* Default NaN: sign bit clear, frac msb set */
+    set_float_default_nan_pattern(0b01000000, &cpu->env.fp_status);
 
 #ifndef CONFIG_USER_ONLY
     cpu->env.picmr = 0x00000000;