[LLVMdev] detailed comparison of generated code size for LLVM and other compilers

Dale Johannesen dalej at apple.com
Mon Dec 14 11:04:02 PST 2009

On Dec 14, 2009, at 9:46 AMPST, Chris Lattner wrote:

> On Dec 14, 2009, at 7:33 AM, John Regehr wrote:
>> See here:
>>  http://embed.cs.utah.edu/embarrassing/
>> There is a lot of data there.  Please excuse bugs and other problems.
>> Feedback would be appreciated.
> Hi John,
> I agree with the gcc folks: it's really important to get frame pointer
> emission etc aligned across the various compilers.  ICC defaulting to
> frame pointers off and GCC/llvm defaulting to them on will seriously
> warp the numbers.

Where did the gcc folks express this opinion?

There are probably other differing defaults besides frame pointers.   
Stack protectors, perhaps.

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