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loop not unrolled #21

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xiangzhai opened this issue Jan 30, 2018 · 0 comments

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bug

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xiangzhai commented Jan 30, 2018 •

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Hi fellows:

As PR59967 mentioned: there is performance issue in loop unrolling. And I experienced the similar issue in LLVM 6.x compared with LLVM 3.x.

There is a benchmark by comparing soduku solving performance in PR66263, it might be benchmark with LLVM 7.x too.

Regards,
Leslie Zhai

xiangzhai added the bug label

xiangzhai added this to the gcc-5.5.0 milestone

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