On Wed, Jul 3, 2019 at 9:04 PM Ian Lance Taylor <i...@golang.org> wrote:
> [ +khr ] > > On Wed, Jul 3, 2019 at 4:46 PM Mohit Verma <vmohit...@gmail.com> wrote: > > > > Hi All, > > > > I am trying to change the ssa phase of Go compiler to do extra work > during memory stores. > > For example whenever there is a memory store, I want to make a function > call to one of my Go packages instead of the store. > > So, far I have some working changes and I can see the new SSA nodes when > I dump SSA using GOSSAFUNC. > > > > I have a couple of questions: > > > > 1. Is there a tool which can covert the SSA nodes back to some version > of Go code? > Nope. Such a thing might be nice, actually. Handing phis, memory values, flags, etc. might be hard. > > 2. How does Go team/others develop/make changes to Go compiler? So, far > I have been adding prints in the Go compiler (cmd/compile/internal/syntax, > gc, & ssa packages) to understand the code flow. But, this is very time > consuming. I am sure a better way exists. > That sounds about what I do when working on the compiler. Understanding what the compiler is doing is often 90% of the battle, and there's no easy solution. You can run the compiler under a debugger, if you want. If you can be more specific about what you are trying to do and what you are running up against, I might be able to give you more specific recommendations. If the compiler is generating bad code, you might be able to condition your new code on cmd/compile/internal/ssa/func.go:DebugTest which will let you binary search for a particular function whose code is bad. > > > > I'll appreciate any help! > > > > Thanks! > > Mohit > > > > -- > > You received this message because you are subscribed to the Google > Groups "golang-nuts" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to golang-nuts+unsubscr...@googlegroups.com. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/CAJ%2B6RRU%3D%3D33ct1%3D%2B0U10nDLnFjvBXff%2BrrmbYRvwY-TTRReLfw%40mail.gmail.com > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CAB%3Df9xRLxCDaDeeDQhmchbrgJV6_9xWpaqEWAK7WvGtjpSTO9g%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
