Add missing conversions from other types to f32 in fround.
Restrict fround() to only float, double, signed, unsigned (no unions / intish).
Restrict Bitwise operations to intish, particularly |0, when not applied to a foreign function.

Adding more exhaustive tests of stdlib Math, move to a separate file.
Adding tests of interesting values for the stdlib asm.js functions.

BUG= https://bugs.chromium.org/p/v8/issues/detail?id=4203
TEST=test-asm-validator,asm-wasm
R=titzer@chromium.org,rossberg@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1804243003

Cr-Commit-Position: refs/heads/master@{#34967}

The rules for handling foreign functions were interfering with handling
of standard functions (such as fround).

Adding more tests around abs()

BUG= https://bugs.chromium.org/p/v8/issues/detail?id=4203
TEST=test-asm-validator,asm-wasm
R=titzer@chromium.org,rossberg@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1794303002

Cr-Commit-Position: refs/heads/master@{#34756}

R=mstarzinger@chromium.org,bradnelson@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1782613003

Cr-Commit-Position: refs/heads/master@{#34682}

This will require an equivalent sexpr-wasm change.

See:
https://github.com/WebAssembly/design/blob/master/BinaryEncoding.md#high-level-structure

R=titzer@chromium.org, binji@chronium.org

Review URL: https://codereview.chromium.org/1765843002

Cr-Commit-Position: refs/heads/master@{#34668}

R=binji@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1783593002

Cr-Commit-Position: refs/heads/master@{#34641}

BUG=
R=titzer@chromium.org

Review URL: https://codereview.chromium.org/1776923005

Cr-Commit-Position: refs/heads/master@{#34639}

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/1781523002

Cr-Commit-Position: refs/heads/master@{#34637}

R=binji@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1775123003

Cr-Commit-Position: refs/heads/master@{#34635}

R=ahaas@chromium.org,bradnelson@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1775353003

Cr-Commit-Position: refs/heads/master@{#34621}

R=verwaest@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1778863002

Cr-Commit-Position: refs/heads/master@{#34617}

This CL modifies the following to be LEB128:
* Function table indices
* Import table signature indices
* Export table function indices
* Function signature param count
* br/br_if break depth
* br_table target count
* block/loop expression count

Still to do:
* Import/export names (LEB128 count + inline data)
* Data segments (LEB128 offset + size + inline data)
* Function header stuff (should seperate into function sig and body sections)
* Memory access alignment + offset (still discussing)

BUG=
R=titzer@chromium.org

Review URL: https://codereview.chromium.org/1775873002

Cr-Commit-Position: refs/heads/master@{#34603}

R=binji@chromium.org,dschuff@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1780483002

Cr-Commit-Position: refs/heads/master@{#34600}

R=ahaas@chromium.org,binji@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1770383002

Cr-Commit-Position: refs/heads/master@{#34587}

R=dschuff@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1767203002

Cr-Commit-Position: refs/heads/master@{#34565}

Local declarations were previously encoded as an optional set of
4 uint16 values as part of the function declaration. This CL
implements the current design of moving these declarations to
a list of pairs of (type, count) that is part of the body.

R=bradnelson@chromium.org,binji@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1763433002

Cr-Commit-Position: refs/heads/master@{#34564}

R=ahaas@chromium.org,binji@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1770913002

Cr-Commit-Position: refs/heads/master@{#34559}

TBR=machenbach@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1769873002 .

Cr-Commit-Position: refs/heads/master@{#34525}

TBR=machenbach@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1772593002 .

Cr-Commit-Position: refs/heads/master@{#34524}

Reland of [wasm] Add a JavaScript utility to make it easier to build WASM modules from JavaScript. (patchset #1 id:1 of https://codereview.chromium.org/1768963002/ )

Reason for revert:
Fix landed in head.

Original issue's description:
> Revert of [wasm] Add a JavaScript utility to make it easier to build WASM modules from JavaScript. (patchset #1 id:1 of https://codereview.chromium.org/1774463002/ )
>
> Reason for revert:
> [Sheriff] Problem is not fixed:
> https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20shared/builds/8799
>
> Original issue's description:
> > [wasm] Add a JavaScript utility to make it easier to build WASM modules from JavaScript.
> >
> > This is a reland of https://codereview.chromium.org/1762203002/
> >
> > R=ahaas@chromium.org,binji@chromium.org,seththompson@chromium.org
> > BUG=
> >
> > Committed: https://crrev.com/aa5770805060a347c6b650634c736ba34ab61728
> > Cr-Commit-Position: refs/heads/master@{#34519}
>
> TBR=ahaas@chromium.org,binji@chromium.org,seththompson@chromium.org,titzer@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=

TBR=ahaas@chromium.org,binji@chromium.org,seththompson@chromium.org,titzer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/1769863002

Cr-Commit-Position: refs/heads/master@{#34523}

Revert of [wasm] Add a JavaScript utility to make it easier to build WASM modules from JavaScript. (patchset #1 id:1 of https://codereview.chromium.org/1774463002/ )

Reason for revert:
[Sheriff] Problem is not fixed:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20shared/builds/8799

Original issue's description:
> [wasm] Add a JavaScript utility to make it easier to build WASM modules from JavaScript.
>
> This is a reland of https://codereview.chromium.org/1762203002/
>
> R=ahaas@chromium.org,binji@chromium.org,seththompson@chromium.org
> BUG=
>
> Committed: https://crrev.com/aa5770805060a347c6b650634c736ba34ab61728
> Cr-Commit-Position: refs/heads/master@{#34519}

TBR=ahaas@chromium.org,binji@chromium.org,seththompson@chromium.org,titzer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/1768963002

Cr-Commit-Position: refs/heads/master@{#34522}

Cr-Commit-Position: refs/heads/master@{#34521}

This is a reland of https://codereview.chromium.org/1762203002/

R=ahaas@chromium.org,binji@chromium.org,seththompson@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1774463002

Cr-Commit-Position: refs/heads/master@{#34519}

Revert of [wasm] Add a JavaScript utility to make it easier to build WASM modules from JavaScript. (patchset #2 id:20001 of https://codereview.chromium.org/1762203002/ )

Reason for revert:
New test test-wasm-module-builder fails on Linux - shared bot:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20shared/builds/8793

Original issue's description:
> [wasm] Add a JavaScript utility to make it easier to build WASM modules from JavaScript.
>
> R=binji@chromium.org,seththompson@chromium.org
> BUG=
>
> Committed: https://crrev.com/d130c6bdc6a424b068614592a0b79a34750af0fc
> Cr-Commit-Position: refs/heads/master@{#34513}

TBR=binji@chromium.org,seththompson@chromium.org,titzer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/1771553002

Cr-Commit-Position: refs/heads/master@{#34514}

R=binji@chromium.org,seththompson@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1762203002

Cr-Commit-Position: refs/heads/master@{#34513}

Frames entering of inside wasm don't have a function or context argument.
Adding distinct wasm frame and function types to express this.

Fixes a GC issue on several embenchen wasm tests, reenabling them.

BUG= https://code.google.com/p/v8/issues/detail?id=4203
TEST=mjsunit/wasm/embenchen
R=titzer@chromium.org,aseemgarg@chromium.org,jfb@chromium.org,yangguo@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1764603003

Cr-Commit-Position: refs/heads/master@{#34476}

BUG= https://code.google.com/p/v8/issues/detail?id=4203
TEST=mjsunit/asm-wasm
R=titzer@chromium.org,aseemgarg@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1758893002

Cr-Commit-Position: refs/heads/master@{#34466}

BUG=

Review URL: https://codereview.chromium.org/1755013003

Cr-Commit-Position: refs/heads/master@{#34455}

BUG= https://code.google.com/p/v8/issues/detail?id=4203
TEST=mjsunit/asm-wasm
R=aseemgarg@chromium.org,titzer@chromium.org,yangguo@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1729833002

Cr-Commit-Position: refs/heads/master@{#34452}

BUG=

Review URL: https://codereview.chromium.org/1597163002

Cr-Commit-Position: refs/heads/master@{#34450}

BUG= https://code.google.com/p/v8/issues/detail?id=4203
TEST=mjsunit/asm-wasm
R=titzer@chromium.org,aseemgarg@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1749233002

Cr-Commit-Position: refs/heads/master@{#34404}

BUG= https://code.google.com/p/v8/issues/detail?id=4203
TEST=mjsunit/asm-wasm
R=titzer@chromium.org,bradnelson@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1750153002

Cr-Commit-Position: refs/heads/master@{#34375}

R=bradnelson@chromium.org, binji@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1741393002

Cr-Commit-Position: refs/heads/master@{#34350}

R=binji@chromium.org,jfb@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1740373002

Cr-Commit-Position: refs/heads/master@{#34346}

R=bradnelson@chromium.org,aseemgarg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1742073002

Cr-Commit-Position: refs/heads/master@{#34345}

R=binji@chromium.org,jfb@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1744713003

Cr-Commit-Position: refs/heads/master@{#34342}

We previously supported use of bitwise operations to convert
from intish to int, but use of kAsmInt in some places and kAsmIntQ
in others prevents this from working with heap accesses.
Switch to use kAsmIntQ where appropriate (even though intish_ != 0
in principle captures the superset of these cases),
as it's more conservative (and uses types.h better).

BUG= https://code.google.com/p/v8/issues/detail?id=4203
TEST=mjsunit/asm-wasm
R=aseemgarg@chromium.org,titzer@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1731603002

Cr-Commit-Position: refs/heads/master@{#34233}

This allows expressions like:
(x + y) & -1
[intish] & [signed]

The previous conversion condition was too strict (intended to
forbid non-int expression conversion). Expressing in
a different way.

BUG= https://code.google.com/p/v8/issues/detail?id=4203
TEST=mjsunit/asm-wasm
R=aseemgarg@chromium.org,titzer@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1717213002

Cr-Commit-Position: refs/heads/master@{#34228}

For now WasmFrame doesn't summarize the wasm frames. That'll require adding the
metadata in wasm-compiler similar to DeoptimizationInputData.

Teach the basic backtrace to iterate over stack frames instead of JS frames.

Update the wasm stack test.

`git cl format` touches random lines in files I touch.

R=titzer@chromium.org
TEST=d8 --test --expose-wasm test/mjsunit/mjsunit.js test/mjsunit/wasm/stack.js

Originally landed in: https://codereview.chromium.org/1712003003/
Reverted in: https://codereview.chromium.org/1730673002/

This patch puts the JSFunction on the C++ stack.

Review URL: https://codereview.chromium.org/1724063002

Cr-Commit-Position: refs/heads/master@{#34225}

Now that register validation is working again, re-enable
for asm->wasm embenchen tests.

BUG= https://code.google.com/p/v8/issues/detail?id=4203
TEST=mjsunit/asm-wasm
R=aseemgarg@chromium.org,titzer@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1724043002

Cr-Commit-Position: refs/heads/master@{#34223}

asm.js permits both:
int * constant
constant * int

It does not, however, allow intishes in multiplies.

BUG= https://code.google.com/p/v8/issues/detail?id=4203
TEST=mjsunit/asm-wasm,test-asm-validator
R=aseemgarg@chromium.org,titzer@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1718083004

Cr-Commit-Position: refs/heads/master@{#34222}