RFR: 8352423: RISC-V: simplify DivI/L ModI/L

Wed Mar 19 15:48:49 UTC 2025

Hi,
Can you help to review this patch?

Currently, implementation of DivI/L and ModI/L are overcomplicated, could and should be simplified.
And, also enable some DivI/L and ModI/L related tests.

Thanks!

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Commit messages:
 - initial commit

Changes: https://git.openjdk.org/jdk/pull/24119/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24119&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8352423
  Stats: 172 lines in 6 files changed: 20 ins; 133 del; 19 mod
  Patch: https://git.openjdk.org/jdk/pull/24119.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24119/head:pull/24119

PR: https://git.openjdk.org/jdk/pull/24119