This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: empty function optimizations
- To: Joe Buck <jbuck at racerx dot synopsys dot com>
- Subject: Re: empty function optimizations
- From: Joern Rennecke <amylaar at cygnus dot co dot uk>
- Date: Tue, 11 Jul 2000 21:53:10 +0100 (BST)
- CC: Ken Clark <ken at gesn dot com>, gcc at gcc dot gnu dot org
> Some conforming programs would break, but these are fairly obscure (e.g.
> programs that compare function pointers). Debugging might get harder.
> But if you factor out common code, you can get greater savings than the
> compiler can find and your gains are portable.
How about especially marking function references that are function
calls (the SH already does this for linker relaxation) ?
We could then factor out common code if all references to a function
are for a function call.