8371642: TestNumberOfContinuousZeros.java fails on PPC64

[dbriemann]

Skips IR match rules for COUNT_LEADING_ZEROS_VL on PPC. Nodes are not implemented there.

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Issue

• JDK-8371642: TestNumberOfContinuousZeros.java fails on PPC64 (Bug - P4)

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• Martin Doerr (@TheRealMDoerr - Reviewer)

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8371642: TestNumberOfContinuousZeros.java fails on PPC64

Reviewed-by: mdoerr

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At the time when this comment was updated there had been 9 new commits pushed to the master branch:

• 15dcbf0: 8363950: Incorrect jtreg header in TestLayoutVsICU.java
• 8531fa1: 8358735: GenShen: block_start() may be incorrect after class unloading
• c6a8027: 8370154: Update @jls and @JVMS taglets to point to local specs dir
• ... and 6 more: https://git.openjdk.org/jdk/compare/76a1109d6fc7baac9ebc7accff800ef8927931bb...master

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[TheRealMDoerr]

Ok. The node which is not implemented is VectorCastL2X which is why these loops are not vectorized on PPC64. LGTM. Thanks for adapting the test!