| Message ID | 20241128104310.3452934-13-peter.maydell@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | fpu: Make pickNaNMulAdd behaviour runtime selected | expand |
On 11/28/24 04:42, Peter Maydell wrote: > Set the FloatInfZeroNaNRule explicitly for the loongarch target. > > Signed-off-by: Peter Maydell <peter.maydell@linaro.org> > --- > target/loongarch/tcg/fpu_helper.c | 5 +++++ > fpu/softfloat-specialize.c.inc | 7 +------ > 2 files changed, 6 insertions(+), 6 deletions(-) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
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 }
Set the FloatInfZeroNaNRule explicitly for the loongarch target. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/loongarch/tcg/fpu_helper.c | 5 +++++ fpu/softfloat-specialize.c.inc | 7 +------ 2 files changed, 6 insertions(+), 6 deletions(-)