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  23. 29 Jan, 2016 3 commits
    • ahaas's avatar
      [turbofan] Add the StackSlot operator to turbofan. · 64588037
      ahaas authored 
      The StackSlot operator allows to allocate a spill slot on the stack. We
are going to use this operator to pass floats through pointers to c
functions, which we need for floating point rounding in the case where
the architecture does not provide rounding instructions.

R=titzer@chromium.org, v8-arm-ports@googlegroups.com, v8-ppc-ports@googlegroups.com, v8-mips-ports@googlegroups.com

Committed: https://crrev.com/7a693437787090d62d937b862e29521debcc5223
Cr-Commit-Position: refs/heads/master@{#33600}

Review URL: https://codereview.chromium.org/1645653002

Cr-Commit-Position: refs/heads/master@{#33606}
      64588037
    • ahaas's avatar
      Revert of [turbofan] Add the StackSlot operator to turbofan. (patchset #4... · 11f7c2e6
      ahaas authored 
      Revert of [turbofan] Add the StackSlot operator to turbofan. (patchset #4 id:60001 of https://codereview.chromium.org/1645653002/ )

Reason for revert:
problems on Mac64

Original issue's description:
> [turbofan] Add the StackSlot operator to turbofan.
>
> The StackSlot operator allows to allocate a spill slot on the stack. We
> are going to use this operator to pass floats through pointers to c
> functions, which we need for floating point rounding in the case where
> the architecture does not provide rounding instructions.
>
> R=titzer@chromium.org, v8-arm-ports@googlegroups.com, v8-ppc-ports@googlegroups.com, v8-mips-ports@googlegroups.com
>
> Committed: https://crrev.com/7a693437787090d62d937b862e29521debcc5223
> Cr-Commit-Position: refs/heads/master@{#33600}

TBR=titzer@chromium.org,v8-arm-ports@googlegroups.com,v8-mips-ports@googlegroups.com,v8-ppc-ports@googlegroups.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1644283002

Cr-Commit-Position: refs/heads/master@{#33601}
      11f7c2e6
    • ahaas's avatar
      [turbofan] Add the StackSlot operator to turbofan. · 7a693437
      ahaas authored 
      The StackSlot operator allows to allocate a spill slot on the stack. We
are going to use this operator to pass floats through pointers to c
functions, which we need for floating point rounding in the case where
the architecture does not provide rounding instructions.

R=titzer@chromium.org, v8-arm-ports@googlegroups.com, v8-ppc-ports@googlegroups.com, v8-mips-ports@googlegroups.com

Review URL: https://codereview.chromium.org/1645653002

Cr-Commit-Position: refs/heads/master@{#33600}
      7a693437
  25. 16 Jan, 2016 1 commit
    • ahaas's avatar
      [turbofan] Add the TruncateFloat32ToInt32 operator to turbofan. · fc53eed1
      ahaas authored 
      The new operator converts a float32 input to int32 through truncation.
I provide implementations of the new operator for x64, ia32, arm,
arm64, mips, mips64, and x87. @v8-ppc-ports, can you please take care
of the ppc implementation?

R=titzer@chromium.org, v8-arm-ports@googlegroups.com, v8-mips-ports@googlegroups.com, weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/1583323004

Cr-Commit-Position: refs/heads/master@{#33346}
      fc53eed1
  27. 24 Dec, 2015 1 commit
  29. 11 Dec, 2015 1 commit
  31. 10 Dec, 2015 1 commit
    • jarin's avatar
      [turbofan] Make MachineType a pair of enums. · bb2a830d
      jarin authored 
      MachineType is now a class with two enum fields:
- MachineRepresentation
- MachineSemantic

Both enums are usable on their own, and this change switches some places from using MachineType to use just MachineRepresentation. Most notably:
- register allocator now uses just the representation.
- Phi and Select nodes only refer to representations.

Review URL: https://codereview.chromium.org/1513543003

Cr-Commit-Position: refs/heads/master@{#32738}
      bb2a830d
  33. 25 Nov, 2015 1 commit
  35. 06 Nov, 2015 1 commit
  37. 30 Oct, 2015 1 commit
  39. 29 Oct, 2015 1 commit
  41. 28 Oct, 2015 1 commit
  43. 26 Oct, 2015 1 commit
    • rmcilroy's avatar
      [Interpreter] Add support for loading from / storing to outer context variables. · c0c214da
      rmcilroy authored 
      Adds support for loading from and storing to outer context
variables. Also adds support for declaring functions on contexts and
locals. Finally, fixes a couple of issues with StaContextSlot where
we weren't emitting the write barrier and therefore would crash in the
GC.

Also added code so that --print-bytecode will output the
function name before the bytecodes, and replaces MachineType with StoreRepresentation in RawMachineAssembler::Store and updates tests.

BUG=v8:4280
LOG=N

Review URL: https://codereview.chromium.org/1425633002

Cr-Commit-Position: refs/heads/master@{#31584}
      c0c214da
  45. 01 Oct, 2015 1 commit
  47. 23 Sep, 2015 3 commits
  49. 28 Aug, 2015 1 commit
  51. 21 Jul, 2015 1 commit
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  55. 12 Jun, 2015 1 commit
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  59. 01 Jun, 2015 1 commit
  61. 29 May, 2015 1 commit
  63. 30 Mar, 2015 1 commit
    • bmeurer's avatar
      [turbofan] Add backend support for float32 operations. · 8dad78cd
      bmeurer authored 
      This adds the basics necessary to support float32 operations in TurboFan.
The actual functionality required to detect safe float32 operations will
be added based on this later. Therefore this does not affect production
code except for some cleanup/refactoring.

In detail, this patchset contains the following features:
- Add support for float32 operations to arm, arm64, ia32 and x64
  backends.
- Add float32 machine operators.
- Add support for float32 constants to simplified lowering.
- Handle float32 representation for phis in simplified lowering.

In addition, contains the following (related) cleanups:
- Fix/unify naming of backend instructions.
- Use AVX comparisons when available.
- Extend ArchOpcodeField to 9 bits (required for arm64).
- Refactor some code duplication in instruction selectors.

BUG=v8:3589
LOG=n
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/1044793002

Cr-Commit-Position: refs/heads/master@{#27509}
      8dad78cd
  65. 30 Jan, 2015 3 commits
  67. 23 Jan, 2015 1 commit
    • danno's avatar
      Remove the dependency of Zone on Isolate · c7b09aac
      danno authored 
      Along the way:
- Thread isolate parameter explicitly through code that used to
  rely on getting it from the zone.
- Canonicalize the parameter position of isolate and zone for
  affected code
- Change Hydrogen New<> instruction templates to automatically
  pass isolate

R=mstarzinger@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/868883002

Cr-Commit-Position: refs/heads/master@{#26252}
      c7b09aac