On 2/17/15 08:28, Chris Metcalf wrote: > On 2/16/2015 5:51 PM, Chen Gang S wrote: > >> And excuse me, I still want to know, is there a real world register as a >> PC register for tile (e.g. just like 'rip' for x86_64) which can be used >> by software programer? (is it in SPR?) > > There is no register you can read that holds the current PC. You can > issue a "lnk REG" instruction to load the address of the following register > into register REG. And if you have interrupted the machine execution > with an interrupt or fault, you will find the interrupted address in an SPR. > But the current PC is not otherwise accessible. >
OK, thanks. -- Chen Gang Open, share, and attitude like air, water, and life which God blessed
