[gentoo-dev] Re: LTO use in the tree

2014-05-02 Thread Ryan Hill
On Tue, 22 Apr 2014 08:45:31 + (UTC) Martin Vaeth wrote: > Ryan Hill wrote: > > > > One thing I forgot to mention - LTO can also have detrimental effect on > > certain architectures. On some (eg. ppc), performance can actually > > be degraded due to increased register pressure. > > If this

[gentoo-dev] Re: LTO use in the tree

2014-05-02 Thread Ryan Hill
On Tue, 22 Apr 2014 11:10:19 -0700 Matt Turner wrote: > > One thing I forgot to mention - LTO can also have detrimental effect on > > certain architectures. On some (eg. ppc), performance can actually be > > degraded due to increased register pressure. On others like alpha it's > > questionable