- Implement `kRiscvF32x4RecipApprox`, `kRiscvF32x4RecipSqrtApprox`,
  `kRiscvF32x4Qfma`, `kRiscvF32x4Qfms`, `kRiscvF64x2Qfma` and `kRiscvF64x2Qfms`
  in `code-generator-riscv64.cc`

- Reuse lane-select, min-max and trunc instrctions in
  `instruction-selector-riscv64.cc`

Bug: v8:11976
Change-Id: I8566f7e082a3d7071ec9fc64c742da82425a4d4d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3364077Reviewed-by: Yahan Lu <yahan@iscas.ac.cn>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78524}