I'm curious that how does compiler recognize runtime.KeepAlive specially? 在 2016年8月26日星期五 UTC+8上午12:04:57，Ian Lance Taylor写道： > > On Thu, Aug 25, 2016 at 12:15 AM, Cholerae Hu <chole...@gmail.com > <javascript:>> wrote: > > Does that mean that only inlined functions will be optimized and any > > functions not inlined will not be optimized ? > > I'm not really sure what you are asking. > > A function that is not inlined will not be inlined. That is > sufficient to ensure that runtime.KeepAlive works as intended. > > A function that is not inlined, for whatever reason, will still be > optimized as usual. > > Ian > > > 在 2016年8月25日星期四 UTC+8上午11:55:12，Ian Lance Taylor写道： > >> > >> On Wed, Aug 24, 2016 at 7:06 PM, Cholerae Hu <chole...@gmail.com> > wrote: > >> > > >> > I've read the source of package runtime, and found that > >> > runtime.KeepAlive is > >> > an empty function. If go compiler can do dead code elimination in the > >> > future, how to protect runtime.KeepAlive from being optimized? > >> > >> The KeepAlive function is marked with the magic go:noinline comment, > >> so it can't be inlined. > >> > >> In any case it seems possible that the compiler will recognize the > >> function specially in the future, for greater efficiency. > >> > >> Ian > > > > -- > > 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...@googlegroups.com <javascript:>. > > For more options, visit https://groups.google.com/d/optout. >
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