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