BUG=

Review URL: https://codereview.chromium.org/1073953006

Cr-Commit-Position: refs/heads/master@{#28199}

This removes the last occurence of the hand-written ZoneList from the
compiler directory and uses ZoneVector everywhere instead.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/1120083004

Cr-Commit-Position: refs/heads/master@{#28198}

usage: This tool analyzes the commit range between <of> and <until>. It finds commits which belong together e.g. Implement/Revert pairs and Implement/Port/Revert triples. All supplied hashes need to be from the same branch e.g. master.

Example for M42: ./search_related_commits.py --prettyprint --separator e0110920 b856e878 b1c2a349

BUG=
NOTRY=true

Review URL: https://codereview.chromium.org/1098123002

Cr-Commit-Position: refs/heads/master@{#28197}

BUG=

Review URL: https://codereview.chromium.org/1124583003

Cr-Commit-Position: refs/heads/master@{#28196}

This introduces a simplified allocation operator which can be used to
model inline allocations in TurboFan. It is currently used for context
allocations, but still disabled because change lowering introduces
floating allocations outside the effect chain that interfere.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/1109773002

Cr-Commit-Position: refs/heads/master@{#28195}

These instructions have unpredictable result when the processor is in fp32 mode.

BUG=

TEST=mjsunit/math-floor-global,math-floor-local,math-floor-part1

Review URL: https://codereview.chromium.org/1116073002

Cr-Commit-Position: refs/heads/master@{#28194}

Review URL: https://codereview.chromium.org/1123703002

Cr-Commit-Position: refs/heads/master@{#28193}

R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1122753002

Cr-Commit-Position: refs/heads/master@{#28192}

R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1118823003

Cr-Commit-Position: refs/heads/master@{#28191}

Otherwise it's whatever the js minifier assigns it to.

R=jkummerow@chromium.org
BUG=chromium:484077
LOG=N

Review URL: https://codereview.chromium.org/1122733002

Cr-Commit-Position: refs/heads/master@{#28190}

port 83a0af55 (r28165).

original commit message:

   VectorICs: built-in function apply should use an IC.

   Handled a TODO that sent builtin function apply to the runtime on property get.

BUG=

Review URL: https://codereview.chromium.org/1119263002

Cr-Commit-Position: refs/heads/master@{#28189}

port fb8e6136 (r28163).

original commit message:

 We were deopting without learning anything.

 This is a rebase/reland of https://codereview.chromium.org/368263003

BUG=

Review URL: https://codereview.chromium.org/1125623002

Cr-Commit-Position: refs/heads/master@{#28188}

Revert of [V8] Use previous token location as EOS token location (patchset #2 id:20001 of https://codereview.chromium.org/1100993003/)

Reason for revert:
[Sheriff] Speculative revert. This seems to block the current roll:
https://codereview.chromium.org/1124463003/

This bisect also points at this CL:
https://codereview.chromium.org/1124523002/

Please prepare the chromium side tests before a reland.

Original issue's description:
> [V8] Use previous token location as EOS token location
>
> EOS token location is useless for users and messages.js are not ready for its location.
> With this CL we use location of token before EOS for it.
>
> LOG=Y
> BUG=chromium:480652
> R=yurys@chromium.org,yangguo@chromium.org
>
> Committed: https://crrev.com/81afc9313ce84350bcba9f84b255a77e97cd3726
> Cr-Commit-Position: refs/heads/master@{#28164}

TBR=yangguo@chromium.org,yurys@chromium.org,kozyatinskiy@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:480652

Review URL: https://codereview.chromium.org/1116233004

Cr-Commit-Position: refs/heads/master@{#28187}

Rolling v8/tools/clang to a8549b6dd82c3b35a06f9894fa7abdcbbf0bd6f5

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/1120243002

Cr-Commit-Position: refs/heads/master@{#28186}

Most of the issues so far encountered with the greedy allocator rest with the splitting mechanism. This change has:

- all RegisterAllocatorTest unit tests passing, when unittest has the flags: --turbo-filter=* --always-opt --turbo-deoptimization --turbo-verify-allocation --turbo_greedy_regalloc

./tools/run-tests.py passing when providing --turbo_greedy_regalloc, but still having some failing (more than the "normal" 43) when passing all the flags. I realize just passing --turbo_greedy_regalloc does not provide full coverage, but it did uncover some bugs, still

The CL centralizes the computing of split points (for "losing" intervals) with the determination of whether an interval is irreducible, and, therefore, of infinite spill weight (if an interval can't be split or spilled, it can't lose in weight comparison because there's nothing we can do to it and make progress).

There are allocator efficiency opportunities I haven't yet taken (this refers to the code itself, not the generated code). For example, the above split/spill computation can be cached. My plan is to defer this to at least after we see numbers showing the value of the algorithm, and potentially do at the same time we remove the linear algorithm, if that is still the plan. At that time, we can look where some APIs best belong (e.g. weight computation may fully live and cache itself on LiveRange)

In addition, the CL adds a few debug-time-only Print APIs I found very useful:  on demand (while in GDB) dump of the code, live range info (use positions & operand description, and intervals), etc.

BUG=

Review URL: https://codereview.chromium.org/1105793002

Cr-Commit-Position: refs/heads/master@{#28185}

Rolling v8/third_party/icu to f8c0e585b0a046d83d72b5d37356cb50d5b2031a

Rolling v8/tools/clang to 15ea3e6cc23fd6ff5545bd939ee153b97807668d

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/1117163003

Cr-Commit-Position: refs/heads/master@{#28184}

4b122b75

BUG=

Review URL: https://codereview.chromium.org/1116913002

Cr-Commit-Position: refs/heads/master@{#28183}

Revert of Wrap v8natives.js into a function. (patchset #2 id:20001 of https://codereview.chromium.org/1109343004/)

Reason for revert:
[Sheriff] Speculative revert for breaking layout tests, e.g.:
http://build.chromium.org/p/client.v8/builders/V8-Blink%20Linux%2064%20%28dbg%29/builds/2682

See. e.g.:
https://storage.googleapis.com/chromium-layout-test-archives/V8-Blink_Win/3130/layout-test-results/http/tests/websocket/workers/worker-reload-diff.txt

Original issue's description:
> Wrap v8natives.js into a function.
>
> R=jkummerow@chromium.org
>
> Committed: https://crrev.com/ee1b39b4303829e6c6805fe8b2f2602b13f6463a
> Cr-Commit-Position: refs/heads/master@{#28174}

TBR=jkummerow@chromium.org,yangguo@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1121453003

Cr-Commit-Position: refs/heads/master@{#28182}

TEST=
BUG=

Review URL: https://codereview.chromium.org/1118693002

Cr-Commit-Position: refs/heads/master@{#28181}

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/1116953002

Cr-Commit-Position: refs/heads/master@{#28180}

BUG=v8:1569
LOG=n

Review URL: https://codereview.chromium.org/1106383008

Cr-Commit-Position: refs/heads/master@{#28179}

Port 83a0af55

Original commit message:
Handled a TODO that sent builtin function apply to the runtime on property get.

R=mvstanton@chromium.org, dstence@us.ibm.com, michael_dawson@ca.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1118713002

Cr-Commit-Position: refs/heads/master@{#28178}

Port fb8e6136

Original commit message:
We were deopting without learning anything.

This is a rebase/reland of https://codereview.chromium.org/368263003

BUG=
R=mvstanton@chromium.org, dstence@us.ibm.com, michael_dawson@ca.ibm.com

Review URL: https://codereview.chromium.org/1113063002

Cr-Commit-Position: refs/heads/master@{#28177}

R=ulan@chromium.org
BUG=v8:4054
LOG=N

Review URL: https://codereview.chromium.org/1114043002

Cr-Commit-Position: refs/heads/master@{#28176}

This has to wait until issue 4065 has been fixed.

R=ulan@chromium.org
BUG=v8:2340, v8:4065, chromium:482312
LOG=N

Review URL: https://codereview.chromium.org/1110393002

Cr-Commit-Position: refs/heads/master@{#28175}

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1109343004

Cr-Commit-Position: refs/heads/master@{#28174}

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/1109853003

Cr-Commit-Position: refs/heads/master@{#28173}

Reorganize some bailout conditions to be after the decision to use TurboFan.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1110573002

Cr-Commit-Position: refs/heads/master@{#28172}

Review URL: https://codereview.chromium.org/1119683002

Cr-Commit-Position: refs/heads/master@{#28171}

This is to pacify MSAN.

R=mvstanton@chromium.org
BUG=465759
LOG=N

Review URL: https://codereview.chromium.org/1119693004

Cr-Commit-Position: refs/heads/master@{#28170}

BUG=470930
LOG=N
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/1116933002

Cr-Commit-Position: refs/heads/master@{#28169}

Just give internal ones an ArrayBuffer with a NULL backing store. This
simplifies the access checks a lot.

BUG=v8:3996
R=hpayer@chromium.org,verwaest@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/1109353003

Cr-Commit-Position: refs/heads/master@{#28168}

BUG=

Review URL: https://codereview.chromium.org/1116923002

Cr-Commit-Position: refs/heads/master@{#28167}

BUG=v8:3803
LOG=n
TBR=mstarzinger@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/1112373002

Cr-Commit-Position: refs/heads/master@{#28166}

Handled a TODO that sent builtin function apply to the runtime on property get.

R=yangguo@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1120613002

Cr-Commit-Position: refs/heads/master@{#28165}

EOS token location is useless for users and messages.js are not ready for its location.
With this CL we use location of token before EOS for it.

LOG=Y
BUG=chromium:480652
R=yurys@chromium.org,yangguo@chromium.org

Review URL: https://codereview.chromium.org/1100993003

Cr-Commit-Position: refs/heads/master@{#28164}

We were deopting without learning anything.

This is a rebase/reland of https://codereview.chromium.org/368263003

BUG=v8:3417
LOG=N

Review URL: https://codereview.chromium.org/1109333003

Cr-Commit-Position: refs/heads/master@{#28163}

An initial 'code age' state that will turn into a 'pre-aging' code age only after it was executed the first time.

BUG=470930
LOG=Y

Review URL: https://codereview.chromium.org/1107233004

Cr-Commit-Position: refs/heads/master@{#28162}

BUG=

Review URL: https://codereview.chromium.org/1104353003

Cr-Commit-Position: refs/heads/master@{#28161}

R=bmeurer@chromium.org
TEST=cctest/test-js-context-specialization

Review URL: https://codereview.chromium.org/1112343002

Cr-Commit-Position: refs/heads/master@{#28160}