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Re: [PATCH] Fix combiner cfglayout issue (PR rtl-optimization/46440)


On 11/15/2010 09:53 PM, Jakub Jelinek wrote:
Yeah, I believe the intent of the il.rtl->footer and BARRIERs being moved
there was to save garbage, in some functions there could be many barriers
and if we remove them resp. readd them each time we go into cfglayout mode
resp. out of it, it could be measurable.

160/320 (32-bit/64-bit) bytes per BB across a whole compilation...


Paolo


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