RFR: 8195588: AArch64: Codegen fix after JDK-8194256

Ningsheng Jian ningsheng.jian at linaro.org
Wed Jan 17 10:01:19 UTC 2018


JDK-8194256 updated some shift constant encoding logic in assembler,
which caused some new hotspot Vect jtreg test failures under
compiler/c2/cr6340864/. Since these instructions are being used in
compiler, we should also update their usages.

Bug: https://bugs.openjdk.java.net/browse/JDK-8195588
Webrev: http://cr.openjdk.java.net/~njian/8195588/webrev.00/

With the new patch, those failed jtreg vect tests passed, and no other
new failure found.

Please help to review this fix.


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