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Type:
Bug
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Resolution: Fixed
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Priority:
P4
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Affects Version/s: 11
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Component/s: hotspot
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b26
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x86
Assembler::psllq emits `c4 e1 c1 73 f7 34` for `vpsllq xmm7,xmm7,0x34` at https://github.com/openjdk/jdk/blob/master/src/hotspot/cpu/x86/stubGenerator_x86_64_cbrt.cpp#L255 . Since Vex.W is ignored for psllq according to the Intel SDM. We could use the VEX2 prefix `c5 c1 73 f7 34`
- relates to
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JDK-8338021 Support new unsigned and saturating vector operators in VectorAPI
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- Resolved
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- links to
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Commit(master)
openjdk/jdk/faf19abd
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Review(master)
openjdk/jdk/25593