[LLVMdev] FYI: Phoronix GCC vs. LLVM-GCC benchmarks

Chris Lattner clattner at apple.com
Wed Sep 16 11:07:41 PDT 2009

On Sep 16, 2009, at 10:36 AM, Daniel Dunbar wrote:

> Since we are in the area, what *should* O1 do?
> It's basically good for nothing, since it doesn't tune for size or
> performance. The only good I personally ever have for it is once in a
> while there is a miscompile at -O1 which narrows the problem.
> Would it be crazy to make -O1 equivalent to -Os?

That works for me! :-)

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