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    • bmeurer's avatar
      [stubs] Drop CallApiCallbackStub::call_data_undefined optimization. · 46d0e481
      bmeurer authored 
      The CallApiCallbackStub can avoid loading undefined in case the
call_data is already undefined, which doubles the number of versions of
the stub and adds unnecessary complexity (at the benefit of saving one
stupid load). The idea is to turn the CallApiCallbackStub into a single
builtin instead, which does the right thing, so this is the first step
towards that goal.

R=yangguo@chromium.org
BUG=v8:6304

Review-Url: https://codereview.chromium.org/2838143003
Cr-Commit-Position: refs/heads/master@{#44869}
      46d0e481
  17. 17 Mar, 2017 2 commits
  19. 15 Mar, 2017 2 commits
  21. 14 Mar, 2017 2 commits
  23. 28 Feb, 2017 1 commit
  25. 24 Feb, 2017 1 commit
  27. 20 Feb, 2017 1 commit
  29. 09 Feb, 2017 1 commit
  31. 07 Feb, 2017 1 commit
  33. 06 Feb, 2017 1 commit
  35. 12 Jan, 2017 1 commit
  37. 10 Jan, 2017 1 commit
  39. 22 Nov, 2016 1 commit
  41. 08 Nov, 2016 1 commit
  43. 31 Oct, 2016 1 commit
  45. 27 Oct, 2016 2 commits
  47. 17 Oct, 2016 2 commits
  49. 06 Oct, 2016 1 commit
  51. 05 Oct, 2016 1 commit
  53. 23 Sep, 2016 1 commit
  55. 20 Sep, 2016 1 commit
  57. 16 Sep, 2016 1 commit
    • ishell's avatar
      [stubs] Port StoreTransitionStub and ElementsTransitionAndStoreStub to TurboFan. · 130d9893
      ishell authored 
      This CL also cleans up related interface descriptors:
1) unused StoreTransitionDescriptor is removed and VectorStoreTransitionDescriptor is
renamed to StoreTransitionDescriptor.
2) on ia32/x87 architectures slot and vector are passed on the stack (dispatcher/handlers
cleanup will be addressed in a separate CL).

These two stub ports have to be combined in one CL because:
1) without changing the StoreTransitionDescriptor TF was not able to compile them
on ia32/x87 (because of lack of registers),
2) it was not possible to change the descriptor first because Crankshaft was not able
to deal with the stack allocated parameters in case of a stub failure.

TBR=jkummerow@chromium.org
BUG=v8:5269

Review-Url: https://codereview.chromium.org/2313093002
Cr-Commit-Position: refs/heads/master@{#39476}
      130d9893
  59. 15 Sep, 2016 1 commit
  61. 21 Jul, 2016 1 commit
  63. 20 Jul, 2016 1 commit
    • ishell's avatar
      [ic] Fix megamorphic stub cache probing on some platforms. · 7da34f8a
      ishell authored 
      This CL fixes weird performance implications when changing layout of Code::flags field:
it happened that the unused ICStateField with MONOMORPHIC value in the handlers' flags
was accidentally offsetting the underflow bug in stub cache probing code on arm, arm64,
mips and mips64.

Stub cache tests now work even when snapshot is enabled.

Drive-by-change: Fixed counters manipulation on arm64 and mips64.

BUG=chromium:618701

Review-Url: https://codereview.chromium.org/2161153002
Cr-Commit-Position: refs/heads/master@{#37910}
      7da34f8a
  65. 15 Jul, 2016 1 commit
  67. 14 Jul, 2016 1 commit