Set the FloatInfZeroNaNRule explicitly for the loongarch target.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Message-id: 20241202131347.498124-13-peter.mayd...@linaro.org
---
target/loongarch/tcg/fpu_helper.c | 5 +++++
fpu/softfloat-specialize.c.inc | 7 +------
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/target/loongarch/tcg/fpu_helper.c
b/target/loongarch/tcg/fpu_helper.c
index 21bc3b04a96..6a2c4b5b1db 100644
--- a/target/loongarch/tcg/fpu_helper.c
+++ b/target/loongarch/tcg/fpu_helper.c
@@ -32,6 +32,11 @@ void restore_fp_status(CPULoongArchState *env)
&env->fp_status);
set_flush_to_zero(0, &env->fp_status);
set_float_2nan_prop_rule(float_2nan_prop_s_ab, &env->fp_status);
+ /*
+ * For LoongArch systems that conform to IEEE754-2008, the (inf,zero,nan)
+ * case sets InvalidOp and returns the input value 'c'
+ */
+ set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->fp_status);
}
int ieee_ex_to_loongarch(int xcpt)
diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index ad4f7096d09..05dec2fcb4c 100644
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -489,12 +489,7 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass
b_cls, FloatClass c_cls,
/*
* Temporarily fall back to ifdef ladder
*/
-#if defined(TARGET_HPPA) || \
- defined(TARGET_LOONGARCH)
- /*
- * For LoongArch systems that conform to IEEE754-2008, the
(inf,zero,nan)
- * case sets InvalidOp and returns the input value 'c'
- */
+#if defined(TARGET_HPPA)
rule = float_infzeronan_dnan_never;
#endif
}
--
2.34.1
