From 6f759b179fd72a90fed129721dc28e04fa79d7c3 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Wed, 11 Dec 2024 15:30:54 +0000 Subject: target/ppc: Set FloatInfZeroNaNRule explicitly Set the FloatInfZeroNaNRule explicitly for the PPC target, so we can remove the ifdef from pickNaNMulAdd(). Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20241202131347.498124-8-peter.maydell@linaro.org --- target/ppc/cpu_init.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'target') diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index efcb80d..f18908a 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -7270,6 +7270,13 @@ static void ppc_cpu_reset_hold(Object *obj, ResetType type) */ set_float_2nan_prop_rule(float_2nan_prop_ab, &env->fp_status); set_float_2nan_prop_rule(float_2nan_prop_ab, &env->vec_status); + /* + * For PPC, the (inf,zero,qnan) case sets InvalidOp, but we prefer + * to return an input NaN if we have one (ie c) rather than generating + * a default NaN + */ + set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->fp_status); + set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->vec_status); for (i = 0; i < ARRAY_SIZE(env->spr_cb); i++) { ppc_spr_t *spr = &env->spr_cb[i]; -- cgit v1.1