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    • bmeurer's avatar
      [compiler] Drop the CompareNilIC. · 666aec03
      bmeurer authored 
      Since both null and undefined are also marked as undetectable now, we
can just test that bit instead of having the CompareNilIC try to collect
feedback to speed up the general case (without the undetectable bit
being used).

Drive-by-fix: Update the type system to match the new handling of
undetectable in the runtime.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/1722193002

Cr-Commit-Position: refs/heads/master@{#34237}
      666aec03
  13. 02 Feb, 2016 1 commit
    • jarin's avatar
      Remove the template magic from types.(h|cc), remove types-inl.h. · ef35f11c
      jarin authored 
      This CL removes the Config templatization from the types. It is not
necessary anymore, after the HeapTypes have been removed.

The CL also changes the type hierarchy - the specific type kinds are
not inner classes of the Type class and they do not inherit from Type.
This is partly because it seems impossible to make this work without
templates. Instead, a new TypeBase class is introduced and all the
structural (i.e., non-bitset) types inherit from it.

The bitset type still requires the bit-munging hack and some nasty
reinterpret-casts to pretend bitsets are of type Type*. Additionally,
there is now the same hack for TypeBase - all pointers to the sub-types
of TypeBase are reinterpret-casted to Type*. This is to keep the type
constructors in inline method definitions (although it is unclear how
much that actually buys us).

In future, we would like to move to a model where we encapsulate Type*
into a class (or possibly use Type where we used to use Type*). This
would loosen the coupling between bitset size and pointer size, and
eventually we would be able to have more bits.

TBR=bradnelson@chromium.org

Review URL: https://codereview.chromium.org/1655833002

Cr-Commit-Position: refs/heads/master@{#33656}
      ef35f11c
  15. 04 Dec, 2015 1 commit
  17. 01 Dec, 2015 2 commits
  19. 26 Nov, 2015 1 commit
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  27. 16 Sep, 2015 1 commit
  29. 10 Sep, 2015 1 commit
    • mvstanton's avatar
      Vector ICs: The Oracle needs to report feedback for the object literals and the count operation. · 752b0308
      mvstanton authored 
      The refactoring is because it's awkward and error-prone to deterimine which IC slot an
ObjectLiteralProperty uses for feedback. The fix is for each one to know it's own slot. In the
numbering pass, we allocate slots for the ObjectLiteral, then hand out those slots into the
properties.

It adds one word to the ObjectLiteralProperty expression - I'm investigating if thats a
problem.

This changes makes compiling the object literal cleaner across the three compilers. Also, the
slot allocation logic in ObjectLiteral::ComputeFeedbackRequirements() was refactoring to mimic
the style in full-codegen. This is useful since it must remain in sync with
FullCodegen::VisitObjectLiteral().

Review URL: https://codereview.chromium.org/1321993004

Cr-Commit-Position: refs/heads/master@{#30686}
      752b0308
  31. 04 Sep, 2015 1 commit
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  43. 16 Jul, 2015 2 commits
  45. 15 Jul, 2015 1 commit
    • bbudge's avatar
      Expose SIMD.Float32x4 type to Javascript. · e5ed3bee
      bbudge authored 
      This CL exposes the constructor function, defines type related
information, and implements value type semantics.
It also refactors test/mjsunit/samevalue.js to test SameValue and SameValueZero.

TEST=test/mjsunit/harmony/simd.js, test/cctest/test-simd.cc

LOG=Y
BUG=v8:4124

Review URL: https://codereview.chromium.org/1219943002

Cr-Commit-Position: refs/heads/master@{#29689}
      e5ed3bee
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