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Regehr: GCC 4.8 Breaks Broken SPEC 2006 BenchmarksRegehr: GCC 4.8 Breaks Broken SPEC 2006 BenchmarksPosted 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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