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Clemens Backes authored
This is a reland of 1786f8d7. It turned out that also x64 is broken, and only for TurboFan. Both is fixed now. Original change's description: > [arm64][liftoff] Fix trap handling on load lane > > This fixes the registered {protected_load_pc} to (always) point to the > actual load instruction. If {dst != src} we would emit a register move > before the load, and the trap handler would then not recognize the PC > where the signal occurs, leading to a segfault. > > R=thibaudm@chromium.org > > Bug: chromium:1242300, v8:12018 > Change-Id: I3ed2a8307e353fd85a7ddedf6ecb73e90a112d32 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3136454 > Reviewed-by: Thibaud Michaud <thibaudm@chromium.org> > Commit-Queue: Clemens Backes <clemensb@chromium.org> > Cr-Commit-Position: refs/heads/main@{#76642} Bug: chromium:1242300, v8:12018 Change-Id: I79284ab9815f5363f759569d98c8c4b52d48e738 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3140609Reviewed-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@{#76698}
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liftoff-assembler-arm64.h |