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Re: where can I get gcc optimizations information

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 does the -da annotations mean ?

Thanks
sunzir

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