-
Ng Zhi An authored
Use logical shifts to emulate arithmetic shift, by first adding a bias to make all signed values unsigned, then subtracting the shifted bias. Details are in code comments for SharedTurboAssembler::I64x2ShrS. Also refactor ia32 (which was already using this algorithm) to use the shared macro-assembler function. And convert Liftoff's implementation as well. Bug: v8:12058 Change-Id: Ia1fd5fe5a9a0b7a7f31c426d4112256c8bf7021b Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3083291 Commit-Queue: Zhi An Ng <zhin@chromium.org> Reviewed-by: Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/master@{#76209}
10d4418f
Name |
Last commit
|
Last update |
---|---|---|
.. | ||
liftoff-assembler-x64.h |