target/loongarch: Set Float3NaNPropRule explicitly

Set the Float3NaNPropRule explicitly for loongarch, and remove the
ifdef from pickNaNMulAdd().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241202131347.498124-19-peter.maydell@linaro.org

diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index 3a2d044447517515467ccf5db3c8e18ff524f927..d610f460026c0dddfe216f3ff088f4164203f7c2 100644 (file)
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -511,8 +511,6 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_cls,
         } else {
             rule = float_3nan_prop_s_cab;
         }
-#elif defined(TARGET_LOONGARCH64)
-        rule = float_3nan_prop_s_cab;
 #elif defined(TARGET_PPC)
         /*
          * If fRA is a NaN return it; otherwise if fRB is a NaN return it;

diff --git a/target/loongarch/tcg/fpu_helper.c b/target/loongarch/tcg/fpu_helper.c
index 6a2c4b5b1db4b12de26a8c4daec9e3a308e06e34..37a48599366e0c0c7657b35bee0ee2b092e5345c 100644 (file)
--- a/target/loongarch/tcg/fpu_helper.c
+++ b/target/loongarch/tcg/fpu_helper.c
@@ -37,6 +37,7 @@ void restore_fp_status(CPULoongArchState *env)
      * case sets InvalidOp and returns the input value 'c'
      */
     set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->fp_status);
+    set_float_3nan_prop_rule(float_3nan_prop_s_cab, &env->fp_status);
 }
 
 int ieee_ex_to_loongarch(int xcpt)