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  1. JDK
  2. JDK-8217629

RegMask::find_lowest_bit can reuse count_trailing_zeros utility

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      b05

      Description

      Reusing the count_trailing_zeros utility is a small cleanup to the regmask code. Doing so measurably speeds up the C2 register allocator by a few percent on linux-x64 on startup tests.

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            • Assignee:
              redestad Claes Redestad
              Reporter:
              redestad Claes Redestad
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