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Re: where can I get gcc optimizations information
Sunzir Deepur writes:
> Hi
>
> On 3/12/07, Andrew Haley <aph@redhat.com> wrote:
> > Juan Castillo writes:
> > > > Juan Castillo writes:
> > > > However, some things will help you. -fverbose-asm produces a list of
> > > > optimization passes. The dumps "-da" and "-fdump-tree-all" produce a
> > > > lot of files, one per optimization pass, so you can see what each pass
> > > > did. Once you know which pass does what, you can start to look at the
> > > > code.
>
> What is the difference between -fdump-tree-all and -fdump-rtl-all ?
What differences did you see when you looked?
> what does the -da annotations mean ?
I don't understand this question.
Andrew.