Hi, This pr add CMoveF/D on riscv, which enable vectorization of statement like: `op_1 bop op_2 ? res_f_d_1 : res_f_d_2 in a loop`.
This pr is also a preparation for further vectorization in https://github.com/openjdk/jdk/pull/28231. Previously it's https://github.com/openjdk/jdk/pull/25341, but at that time, C2 SLP has some issue with unsigned comparison, which is now fixed, so it's good to continue the work. # Test ## Jtreg in progress... ## Performance Column names meanings: * p: with patch * p+v: with patch, `-XX:+UseVectorCmov -XX:+UseCMoveUnconditionally` turned on * m: without patch * m+v: without patch, `-XX:+UseVectorCmov -XX:+UseCMoveUnconditionally` turned on #### Average improvement NOTE: With only this PR, it brings performance benefit in case of `CMoveF+CmpF`, `CMoveD+ComD`, `CMoveF+CmpI`, `CMoveD+CmpL`. The data below is based on fullly implmenting the vectorization of `CMoveI/L/F/D+CmpI/L/F/D`, which will be achieved by https://github.com/openjdk/jdk/pull/28231. For details, check the performance data in https://github.com/openjdk/jdk/pull/25341 on riscv. <google-sheets-html-origin style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"> Opt (m/p) | Opt (m+v/p+v) | Opt (p/p+v) | Opt (m/p+v) -- | -- | -- | -- 1.022782609 | 2.198717391 | 2.162673913 | 2.199 </google-sheets-html-origin> ------------- Commit messages: - remove unused test code - revert unrelated test change - revert unrelated vmaskcmp change - typo - typo - disable vectorization of CMoveFD by removing share code change - remove Zicond code for CMoveFD - clean stop - Merge branch 'vectorize-CMove-Bool' into vectorize-CMove-Bool-riscv-CMoveF-D - Merge branch 'master' into vectorize-CMove-Bool - ... and 38 more: https://git.openjdk.org/jdk/compare/405d5f7a...ec0d8cc4 Changes: https://git.openjdk.org/jdk/pull/28309/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28309&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8357551 Stats: 4581 lines in 13 files changed: 4446 ins; 50 del; 85 mod Patch: https://git.openjdk.org/jdk/pull/28309.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/28309/head:pull/28309 PR: https://git.openjdk.org/jdk/pull/28309
