This is the mail archive of the gcc@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: Question on gimplify.c:create_tmp_var


On Jun 6, 2004, at 7:43 PM, Richard Kenner wrote:

    Hah!  Every time you drastically change what is valid gimple,
    you have to change all of the optimizers.

Certainly true for scalars, but is that true for what's within a
chain of references?

Of course.

Which of the optimizers look inside a chain of _REF nodes?

SRA, CCP, PRE, DOM.
At a quick count.
I didn't check what they did with looking inside the chain, only that they did look inside the chains.

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