RFR: 8352159: RISC-V: add zfa support for loadConH

Mon Mar 17 14:48:33 UTC 2025

Hi,
Can you help to review this patch?

Previously in https://github.com/openjdk/jdk/pull/23844, `loadConH` is implemented only with `flh`, but `fli_h` should be more efficient if Zfa is supported.

Thanks!

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Commit messages:
 - initial commit

Changes: https://git.openjdk.org/jdk/pull/24081/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24081&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8352159
  Stats: 89 lines in 4 files changed: 76 ins; 1 del; 12 mod
  Patch: https://git.openjdk.org/jdk/pull/24081.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24081/head:pull/24081

PR: https://git.openjdk.org/jdk/pull/24081