On Fri, Jan 12, 2018 at 9:01 AM, Uros Bizjak <ubiz...@gmail.com> wrote: > On Thu, Jan 11, 2018 at 2:28 PM, H.J. Lu <hjl.to...@gmail.com> wrote: > >> Hi Uros, >> >> Can you take a look at my x86 backend changes so that they are ready >> to check in once we have consensus. > > Please finish the talks about the correct approach first. Once the > consensus is reached, please post the final version of the patches for > review. > > BTW: I have no detailed insight in these issues, so I'll look mostly > at the implementation details, probably early next week.
One general remark is on the usage of -1 as an invalid register number. We have INVALID_REGNUM definition for this, and many tests, like: if (regno >= 0) could become much more informative: if (regno != INVALID_REGNUM) Uros.