On 22/02/20 03:10, Chen Gang wrote: > Set C1 to 1 if stack overflow occurred; set to 0 otherwise". > > In helper_fxam_ST0, I guess, we need "env->fpus |= 0x200" (but I don't > know wheter it will be conflict with SIGND(temp)). And we have to still > need foverflow, because all env->fptags being 0 doesn't mean overflow.
No, you need to add "env->fpus |= 0x200" and "env->fpus &= ~0x200" directly to fpush, fpop, etc. Polo
