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Regehr: GCC 4.8 Breaks Broken SPEC 2006 Benchmarks

Regehr: GCC 4.8 Breaks Broken SPEC 2006 Benchmarks

Posted Mar 26, 2013 0:57 UTC (Tue) by nix (subscriber, #2304)
In reply to: Regehr: GCC 4.8 Breaks Broken SPEC 2006 Benchmarks by xorbe
Parent article: Regehr: GCC 4.8 Breaks Broken SPEC 2006 Benchmarks

The 'nonsense', btw, is that the optimization pass which is coming to conclusions about the conditional test does not care where that test is located: in particular, it doesn't know nor care that it might be bounding a for loop. Generality in optimizations is generally a good thing...


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