1. 04 Mar, 2019 1 commit
  2. 15 Jun, 2016 1 commit
    • bmeurer's avatar
      [turbofan] Introduce a dedicated CheckBounds operator. · 2267ccb1
      bmeurer authored
      This CheckBounds simplified operator is similar to the HBoundsCheck in
      Crankshaft, and is hooked up to the new type feedback support in the
      SimplifiedLowering. We use it to check the index bounds for keyed
      property accesses.
      
      Note to perf sheriffs: This will tank quite a few benchmarks, as the
      operator makes some redundant branch elimination ineffective for
      certain patterns of keyed accesses. This does require more serious
      redundancy elimination, which we will do in a separate CL. So ignore
      any regressions from this CL, we know there will be a few.
      
      R=jarin@chromium.org
      BUG=v8:4470,v8:5100
      
      Committed: https://crrev.com/85e5567dae66a918500ae94c5568221137a0f5d4
      Review-Url: https://codereview.chromium.org/2035893004
      Cr-Original-Commit-Position: refs/heads/master@{#36947}
      Cr-Commit-Position: refs/heads/master@{#37003}
      2267ccb1
  3. 14 Jun, 2016 2 commits