RFR: 8355074: RISC-V: C2: Support Vector-Scalar version of Zvbb Vector And-Not instruction

Anjian-Wen duke at openjdk.org
Thu Apr 24 05:58:25 UTC 2025


support zvbb vand-not vector-scalar version, which Op1 is the sign-extended or truncated value in scalar register rs1
add C2 match rule
add related Tests in IRNode structure

passed jtreg test test/hotspot/jtreg/compiler/vectorapi/*

-------------

Commit messages:
 - modify format
 - modify v0.t to $v0
 - add format fix
 - RISC-V: Support Zvbb Vector And-Not vx and add its tests

Changes: https://git.openjdk.org/jdk/pull/24709/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24709&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8355074
  Stats: 293 lines in 4 files changed: 147 ins; 0 del; 146 mod
  Patch: https://git.openjdk.org/jdk/pull/24709.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24709/head:pull/24709

PR: https://git.openjdk.org/jdk/pull/24709


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