Re: [gentoo-dev] Re: Rust flags

2019-05-15 Thread Andrew Savchenko
On Tue, 14 May 2019 16:58:16 -0700 Georgy Yakovlev wrote: > On Tuesday, May 14, 2019 3:01:48 PM PDT Andrew Savchenko wrote: > > On Tue, 14 May 2019 11:47:04 -0700 Georgy Yakovlev wrote: [...] > > > I have this in make.conf for quite some time. > > > > > > RUSTFLAGS="-Ctarget-cpu=native -v" > > >

Re: [gentoo-dev] Re: Rust flags

2019-05-14 Thread Georgy Yakovlev
On Tuesday, May 14, 2019 3:01:48 PM PDT Andrew Savchenko wrote: > On Tue, 14 May 2019 11:47:04 -0700 Georgy Yakovlev wrote: > > On Tuesday, May 14, 2019 9:15:52 AM PDT Andrew Savchenko wrote: > > > Hi all! > > > > > > Looks like rustc supports target CPU and optlevel options, e.g. > > > > > > r

Re: [gentoo-dev] Re: Rust flags

2019-05-14 Thread Andrew Savchenko
On Tue, 14 May 2019 11:47:04 -0700 Georgy Yakovlev wrote: > On Tuesday, May 14, 2019 9:15:52 AM PDT Andrew Savchenko wrote: > > Hi all! > > > > Looks like rustc supports target CPU and optlevel options, e.g. > > rustc -C target-cpu=skylake -C opt-level=3 > > as well as more fine-grade optimizati

[gentoo-dev] Re: Rust flags

2019-05-14 Thread Georgy Yakovlev
On Tuesday, May 14, 2019 9:15:52 AM PDT Andrew Savchenko wrote: > Hi all! > > Looks like rustc supports target CPU and optlevel options, e.g. > rustc -C target-cpu=skylake -C opt-level=3 > as well as more fine-grade optimizations. > > But I see no way to specify them when building rust software