On 13/10/2016 08:10, Heiher wrote: > From: Heiher <wa...@lemote.com> > > Needed to emit FPU exception on Loongson multimedia instructions > executing if Status:CU1 is clear. or FPR changes may be missed > on Linux. > > Signed-off-by: Heiher <wa...@lemote.com> > Signed-off-by: Fuxin Zhang <zhan...@lemote.com> > --- > target-mips/translate.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/target-mips/translate.c b/target-mips/translate.c > index 139f249..b87a09b 100644 > --- a/target-mips/translate.c > +++ b/target-mips/translate.c > @@ -3871,6 +3871,7 @@ static void gen_loongson_multimedia(DisasContext *ctx, > int rd, int rs, int rt) > break; > } > > + check_cp1_enabled(ctx);
Isn't it also required to check Status.CU2 bit? I guess the Loongson Multimedia instructions was implemented as the Cop2? Please correct me if I am wrong with this. > gen_load_fpr64(ctx, t0, rs); > gen_load_fpr64(ctx, t1, rt); > > Regards, Yongbok
