| commit | d2b4292ca73dd2c70d007fcb7ac423c3d2095329 | [log] [tgz] |
|---|---|---|
| author | Clemens Backes <clemensb@chromium.org> | Wed Dec 15 16:24:22 2021 |
| committer | V8 LUCI CQ <v8-scoped@luci-project-accounts.iam.gserviceaccount.com> | Thu Dec 16 18:34:30 2021 |
| tree | 7b3c8dcda895878d9d01e1e0804da5607e45faa7 | |
| parent | b5fabce811536d8f3850929a93dd2d1647a0e4d6 [diff] |
[regalloc] Fix issue in mid-tier register allocator A SIMD register can "block" more than one FP register. In that case, no virtual register will be assigned for one of the FP registers. This is fine, we just need to detect and handle that case correctly. R=thibaudm@chromium.org CC=​leszeks@chromium.org Bug: chromium:1271538, v8:12330 Change-Id: I7ec19229445c5ace0782f63945acb89322816540 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3293082 Reviewed-by: Thibaud Michaud <thibaudm@chromium.org> Reviewed-by: Maya Lekova <mslekova@chromium.org> Commit-Queue: Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/main@{#78400}
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