On Apr 28, 2011, at 5:25 PM, Jakob Stoklund Olesen wrote:

> 
> On Apr 28, 2011, at 3:19 PM, Chad Rosier wrote:
> 
>> Attached is a patch (against trunk r130433) to add support for the -Oz 
>> command line option.  The -Oz option lowers the inlining threshold to 25.
> 
> Would it make sense to lower the threshold all the way to 0 for -Oz? The 
> InlineCost can actually become negative when it looks like inlining will 
> decrease code size, so that wouldn't disable inlining completely.

The value of 25 was chosen to match that in llvm-gcc.  Further performance 
studies are necessary to determine what would be considered an "optimal" value. 
 For now the value remains at 25.


> /jakob
> 

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