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    • loislo's avatar
      Revert of Externalize deoptimization reasons. (patchset #6 id:100001 of... · bfc5d83b
      loislo authored 
      Revert of Externalize deoptimization reasons. (patchset #6 id:100001 of https://codereview.chromium.org/874323003/)

Reason for revert:
it broke the build

Original issue's description:
> Externalize deoptimization reasons.
>
> 1) The hardcoded strings were converted into DeoptReason enum.
>
> 2) Deopt comment were converted into a pair location and deopt reason entries so
> the deopt reason tracking mode would less affect the size of the RelocInfo table and heap.
>
> 3) DeoptReason entry in RelocInfo reuses kCommentTag value and generates short entry in RelocInfo table.
>
> BUG=452067
> LOG=n
>
> Committed: https://crrev.com/c49820e45b57f128a98690940875c049f612dde6
> Cr-Commit-Position: refs/heads/master@{#26434}

TBR=alph@chromium.org,mstarzinger@chromium.org,svenpanne@chromium.org,yurys@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=452067

Review URL: https://codereview.chromium.org/892843007

Cr-Commit-Position: refs/heads/master@{#26435}
      bfc5d83b
    • loislo's avatar
      Externalize deoptimization reasons. · c49820e4
      loislo authored 
      1) The hardcoded strings were converted into DeoptReason enum.

2) Deopt comment were converted into a pair location and deopt reason entries so
the deopt reason tracking mode would less affect the size of the RelocInfo table and heap.

3) DeoptReason entry in RelocInfo reuses kCommentTag value and generates short entry in RelocInfo table.

BUG=452067
LOG=n

Review URL: https://codereview.chromium.org/874323003

Cr-Commit-Position: refs/heads/master@{#26434}
      c49820e4
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    • yangguo@chromium.org's avatar
      Decouple CpuFeatures from serializer state. · fe243379
      yangguo@chromium.org authored 
      Traditionally, we cross compile a snapshot iff the serializer is enabled.
This will change in the future.

Changes:
 - CpuFeatures probing is done once per process, depending on whether we
   cross compile.
 - CpuFeatures are consolidated into the platform-independent assembler.h
   as much as possible.
 - FLAG_enable_<feature> will only be checked at probing time (already the
   case for ARM).
 - The serializer state is cached by the MacroAssembler.
 - PlatformFeatureScope is no longer necessary.
 - CPUFeature enum values no longer map to CPUID bit fields.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/285233010

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21347 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
      fe243379
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