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Re: Planned LTO driver work
Andrew Pinski wrote:
> On Thu, 2006-11-09 at 12:32 -0800, Mark Mitchell wrote:
>> 1. Add a --lto option to collect2. When collect2 sees this option,
>> treat all .o files as if they were .rpo files and recompile them. We
>> will do this after all C++ template instantiation has been done, since
>> we want to optimize the .o files after the program can actually link.
>>
>> 2. Modify the driver so that --lto passes -flto to the C front-end and
>> --lto to collect2.
>>
>> Any objections to this plan?
>
> Maybe not an objection but a suggestion with respect of static
> libraries. It might be useful to also to look into archives for files
> with LTO info in them and be able to read them inside the compiler also.
Definitely -- but not yet. :-)
--
Mark Mitchell
CodeSourcery
mark@codesourcery.com
(650) 331-3385 x713