From: Peter Maydell Date: Wed, 11 Dec 2024 15:30:56 +0000 (+0000) Subject: target/loongarch: Set FloatInfZeroNaNRule explicitly X-Git-Tag: v10.0.0-rc0~124^2~55 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0fb7fa29d3c4a21bf5daf7f30c70f916e878935c;p=thirdparty%2Fqemu.git target/loongarch: Set FloatInfZeroNaNRule explicitly Set the FloatInfZeroNaNRule explicitly for the loongarch target. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20241202131347.498124-13-peter.maydell@linaro.org --- 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 } 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)