This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: RFA: patch for register migration


    I personally like/prefer the model of global colouring allocator
    running, then a specialized local allocator doing the spill code. You
    can then perform global allocation in a *single* interation, and leave
    the spill code to be taken care of by a local allocator that understands
    register usage in the local area of the spills.

I'm not arguing that the way we do things is ideal.  And the standard for
a patch shouldn't be whether or not it brings things into an ideal mode.
The standard ought to be whether the code being added makes the compiler
better or worse.  I haven't studied the code in detail, but from a
conceptual point of view, I think it makes the compiler better, despite
it not converting things into an "ideal" design.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]