1. 26 May, 2020 25 commits
  2. 25 May, 2020 11 commits
  3. 22 May, 2020 1 commit
    • Seth Brenith's avatar
      [torque] Generate better code when using `&` operator on bitfields · 98438d86
      Seth Brenith authored
      Sometimes CSA code carefully constructs a mask to check several
      bitfields at once. Thus far, such a check has been very awkward to write
      in Torque. This change adds a way to do so, using the
      non-short-circuiting binary `&` operator. So now you can write an
      expression that depends on several bitfields from a bitfield struct,
      like `x.a == 5 & x.b & !x.c & x.d == 2` (assuming b is a one-bit value),
      and it will be reduced to a single mask and equality check. To
      demonstrate a usage of this new reduction, this change ports the trivial
      macro IsSimpleObjectMap to Torque. I manually verified that the
      generated code for the builtin SetDataProperties, which uses that macro,
      is unchanged.
      
      Bug: v8:7793
      Change-Id: I4a23e0005d738a6699ea0f2a63f9fd67b01e7026
      Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2183276
      Commit-Queue: Seth Brenith <seth.brenith@microsoft.com>
      Reviewed-by: 's avatarTobias Tebbi <tebbi@chromium.org>
      Cr-Commit-Position: refs/heads/master@{#67948}
      98438d86
  4. 21 May, 2020 3 commits