On 1/11/19 10:49 PM, Max Filippov wrote:
> @@ -706,6 +716,17 @@ static inline void cpu_get_tb_cpu_state(CPUXtensaState
> *env, target_ulong *pc,
> *flags |= xtensa_get_ring(env);
> if (env->sregs[PS] & PS_EXCM) {
> *flags |= XTENSA_TBFLAG_EXCM;
> +} else if (xtensa_option_en
On Fri, Jan 11, 2019 at 12:53 PM Richard Henderson
wrote:
>
> On 1/11/19 10:49 PM, Max Filippov wrote:
> > +#define LINKABLE_BITS 12
> > +#define LINKABLE_SIZE (1u << LINKABLE_BITS)
> > +#define LINKABLE_MASK (-LINKABLE_SIZE)
>
> What is this for? It seems to be replicating TARGET_PAGE_BITS.
I u
On 1/11/19 10:49 PM, Max Filippov wrote:
> +#define LINKABLE_BITS 12
> +#define LINKABLE_SIZE (1u << LINKABLE_BITS)
> +#define LINKABLE_MASK (-LINKABLE_SIZE)
What is this for? It seems to be replicating TARGET_PAGE_BITS.
r~
Don't invalidate TB with the end of zero overhead loop when LBEG or LEND
change. Instead encode the distance from the start of the page where the
TB starts to the LEND in the TB cs_base and generate loopback code when
the next PC matches encoded LEND. Distance to a destination within the
same page
