On Wed, 26 Sep 2018, Qing Zhao wrote: > The request is for application developers who want to use gcc's online > patching feature. > > Today, developers can turn off inlining and deliver just the patched routine. > They > can also allow all inlining and deliver the patched routine and all the > routines > that the patched routine was inlined into. > > completely turning off inlining will sacrifice too much run-time performance. > completely > enable inlining, on the other hand, will have the potential issues with code > size, complexity and > debuggability for the online patching. > > the proposed option provides a compromised solution for the above issues. and > enable more > developers to utilize gcc’s online patching feature.
>From this explanation it sounds to me that what you really need is -Os-like behavior for IPA passes, without enabling -Os for gimple/rtl passes, as I mentioned in my previous email. Honza, how does that sound? > > If the original issue is that inlining duplicates code, wouldn't it be > > better > > solved by a switch that instructs inlining heuristics to inline as if for > > -Os, > > without enabling -Os for other passes? Alexander
