Set the Float3NaNPropRule explicitly for i386. We had no
i386-specific behaviour in the old ifdef ladder, so we were using the
default "prefer a then b then c" fallback. This is very likely wrong
for i386, but in this refactoring we don't want to make a behaviour
change, so we leave a TODO note.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
target/i386/tcg/fpu_helper.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/target/i386/tcg/fpu_helper.c b/target/i386/tcg/fpu_helper.c
index e9de084a96d..b62719dead1 100644
--- a/target/i386/tcg/fpu_helper.c
+++ b/target/i386/tcg/fpu_helper.c
@@ -180,6 +180,8 @@ void cpu_init_fp_statuses(CPUX86State *env)
* against the manual.
*/
set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->sse_status);
+ /* Similarly the NaN propagation rule is likely wrong. */
+ set_float_3nan_prop_rule(float_3nan_prop_abc, &env->sse_status);
}
static inline uint8_t save_exception_flags(CPUX86State *env)
--
2.34.1
