Diego Novillo writes:
> The LTO branch has been merged into trunk at revision 152434.
> [...]
Congrats.
> [...] That's it. The result should, in principle, execute faster
> but our IPA cost models are still not tweaked for LTO. We've seen
> speedups as well as slowdowns in benchmarks (see th
On Sun, Oct 4, 2009 at 3:45 AM, Ryan Hill wrote:
> On Sat, 3 Oct 2009 17:12:17 -0400
> Diego Novillo wrote:
>
>> Instructions on how to enable LTO support are described in the
>> manual. The following is a summary:
>>
>> - Install libelf 0.8.12+ (http://www.mr511.de/software/libelf-0.8.12.tar.gz
On Sat, 3 Oct 2009 17:12:17 -0400
Diego Novillo wrote:
> Instructions on how to enable LTO support are described in the
> manual. The following is a summary:
>
> - Install libelf 0.8.12+ (http://www.mr511.de/software/libelf-0.8.12.tar.gz)
> Other versions of libelf are commonly installed in L
On Sat, Oct 3, 2009 at 19:40, Diego Novillo wrote:
> On Sat, Oct 3, 2009 at 18:24, Richard Guenther
> wrote:
>> On Sat, Oct 3, 2009 at 11:12 PM, Diego Novillo wrote:
>>> The LTO branch has been merged into trunk at revision 152434.
>>
>> Btw, I think this deserves a news entry on the main page a
On Sat, Oct 3, 2009 at 18:24, Richard Guenther
wrote:
> On Sat, Oct 3, 2009 at 11:12 PM, Diego Novillo wrote:
>> The LTO branch has been merged into trunk at revision 152434.
>
> Btw, I think this deserves a news entry on the main page as well as
> (obviously)
> an entry for gcc-4.5/changes.html
On Sat, Oct 3, 2009 at 11:12 PM, Diego Novillo wrote:
> The LTO branch has been merged into trunk at revision 152434.
Btw, I think this deserves a news entry on the main page as well as (obviously)
an entry for gcc-4.5/changes.html.
Richard.
On Sat, Oct 3, 2009 at 17:32, Richard Guenther
wrote:
> Note that one missing feature is picking up entries from static library
> archives at link time.
This is true when using GNU ld. But it works just fine if you
configure gcc with --enable-gold and compile with -use-linker-plugin.
Diego.
On Sat, Oct 3, 2009 at 11:12 PM, Diego Novillo wrote:
> The LTO branch has been merged into trunk at revision 152434.
...
> To enable LTO, simply add the flag '-flto' to both compile and
> link commands. It doesn't really matter whether you compile and
> link in separate invocations or a single o
