This can help with reproducing stability bugs or performance issues.

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/485763003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23222 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=titzer@chromium.org

Review URL: https://codereview.chromium.org/494603002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23221 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Add more tests for logical immediate and shift instruction selection, and fix bug in range for supported shifts.

BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/487163004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23220 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Also fix an off-by-one bug in the handling of Parameter nodes, and
improve test coverage for pointer map computation.

TEST=compiler-unittest
R=titzer@chromium.org

Review URL: https://codereview.chromium.org/490673006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23219 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Refactor Scheduler to simplify construction of CFG from sea of nodes. Use PreEdge/Post as part of the graph tarversal, and make finding of successor projections more robust.

R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/490483002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23217 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Also refactor some common code in ChangeLowering.

TEST=cctest,compiler-unittests
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/488043002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23216 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TEST=compiler-unittests
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/491433002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23215 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Fix ChangeLowering to use TruncateFloat64ToInt32.

TEST=cctest,compiler-unittests
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/484103002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23214 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/487333002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23211 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/490533002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23210 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This reverts commit r23205.

Setting string-type flags in unit tests is not a good idea.

TBR=titzer@chromium.org

Review URL: https://codereview.chromium.org/489543002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23208 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=aandrey@chromium.org

Review URL: https://codereview.chromium.org/485113003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23207 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=arv@chromium.org, marja@chromium.org

Review URL: https://codereview.chromium.org/471603004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23206 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=titzer@chromium.org

Review URL: https://codereview.chromium.org/474633003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23205 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=v8:3515
LOG=Y
R=adamk@chromium.org, dslomov@chromium.org

Review URL: https://codereview.chromium.org/478683002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23204 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=None
LOG=Y
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/454003002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23203 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/481043002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23202 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/468943002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23201 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/488543004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23200 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

These were front-ends to ToOperand32, to specify sign-extension.
However, since r22148, bits 63-32 are ignored for 32-bit operations
anyway, so there's no need for the caller to be explicit.

BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/483263003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23199 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This reverts commit r23197.

TBR=titzer@chromium.org

Review URL: https://codereview.chromium.org/481413002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23198 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

* Add stack depth checking to function tester.
* Make context specialization clean up after itself.
* Add UpdateToAndIncrement to Inputs::iterator.
  Uses:iterator already provides this member function.
* Allow next node id in graph to be set.

R=mstarzinger@chromium.org, titzer@chromium.org

Review URL: https://codereview.chromium.org/453833003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23197 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=341423
LOG=Y
R=arv@chromium.org, dcarney@chromium.org, rossberg@chromium.org

Review URL: https://codereview.chromium.org/483173002

Patch from Yutaka Hirano <yhirano@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23196 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/487753003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23195 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=v8:3427
LOG=N
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/364853009

Patch from Diego Pino <dpino@igalia.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23194 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This is required to correctly treat eval in unit tests.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/453953002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23193 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/486173002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23192 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Otherwise it is impossible to figure out from the --trace-deoptimization output what is going on.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/467183002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23191 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Initial import of empty unit test suites for Toon and Hannes.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/475233005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23190 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/475823002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23188 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=jarin@chromium.org

Review URL: https://codereview.chromium.org/472823003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23187 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=jarin@chromium.org

Review URL: https://codereview.chromium.org/484603003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23186 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

SubStringKey::AsHandle is not GC-safe because the string backing store
may move.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/484703002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23185 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This affects arm64 and x64. Note that we do not yet optimize
these conversions. Later we will add support for merging these
conversion operators into other operations during instruction
selection.

TEST=cctest,compiler-unittests
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/487723002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23184 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/487703002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23183 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=verwaest@chromium.org
BUG=403717
LOG=N

Review URL: https://codereview.chromium.org/470083003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23182 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=v8:3506
LOG=N
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/486123002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23181 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

(Doh, landed too early)

R=jkummerow@chromium.org

BUG=

Review URL: https://codereview.chromium.org/487163002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23180 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/483223003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23179 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/481073002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23178 ce2b1a6d-e550-0410-aec6-3dcde31c8c00