Jakub Jelinek wrote: > Well, we don't want to regress performance wise on one of the most important > primary targets. I don't care that much if the RTL/backend work is done > together with the patch, or as a follow-up during stage1/3, but it should be > done, the testcases I've posted can be used as a basis of a P1 runtime > performance regression.
It should be sufficient to file a bug about inefficient 64-bit constant expansions on x64. I didn't see a significant difference in my benchmarking of it on x64, so I'd say it's only a performance regression if large benchmarks regress measurably (quite unlikely). Wilco