BUG= https://bugs.chromium.org/p/v8/issues/detail?id=4203
TEST= cctest/asmjs/test-asm-typer
LOG=N

Review-Url: https://codereview.chromium.org/2148073002
Cr-Commit-Position: refs/heads/master@{#37731}

BUG= https://bugs.chromium.org/p/v8/issues/detail?id=4203
TEST=mjsunit/wasm/*
LOG=N

Review-Url: https://codereview.chromium.org/2134333003
Cr-Commit-Position: refs/heads/master@{#37729}

Directs 'use asm' traffic through asm-wasm conversion when --validate-asm is passed.

Adds a builtin that handles the fallback to JS.

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

Review-Url: https://codereview.chromium.org/2057403003
Cr-Commit-Position: refs/heads/master@{#37470}

BUG=

Review-Url: https://codereview.chromium.org/2078053002
Cr-Commit-Position: refs/heads/master@{#37110}

The modifications were necessary to properly represent asm types:

1) fround is no longer an overloaded function.

2) the constructor for MinMaxTypes now takes a return type.

3) Adds pseudo-types for representing the Load/Store types for fp heap views.
BUG=

Review-Url: https://codereview.chromium.org/2069443002
Cr-Commit-Position: refs/heads/master@{#36980}

This CL introduces the new type system for the ASM
type-checker/validator.

BUG=

Review-Url: https://codereview.chromium.org/2045703007
Cr-Commit-Position: refs/heads/master@{#36942}