tree 93a8fa6ea359be8d0e563653f77b683f72ed4917
parent aa5bcc09bf7d5d77056e6033918d79c30aa3f49a
author Ng Zhi An <zhin@chromium.org> 1591119044 -0700
committer Commit Bot <commit-bot@chromium.org> 1591119155 +0000

[wasm-simd][liftoff][arm][arm64] Implement bitmask

Implement i8x16 i16x8 i32x4 bitmask for arm and arm64.

The instruction sequence is the same as TurboFan, we have some special
handling for getting the second temporary Q register, reuse src if
possible.

Bug: v8:9909,v8:10308
Change-Id: I1c6fe0d076f0e14d05c4cc532e4d976f4ebcce30
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2222608
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68107}