Bug: v8:8477, v8:8562
Change-Id: I0dab49a03b74abc68600885f4951c5cb727a3d73
Reviewed-on: https://chromium-review.googlesource.com/c/1366736Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58364}

This reduced the number of targets depending on assembler.h
from ~900 to ~350.

Bug: v8:8054
Change-Id: I74ae2ce7a4b27791d0ee25542ee0b2175bedf5f7
Reviewed-on: https://chromium-review.googlesource.com/1174534
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55188}

This CL factors the parts of the JSGraph that only depend on the
machine part of JSGraph into a separate base class, MachineGraph.
This helps separate the two layers and also allows the MachineGraph
to be constructed without an Isolate, which is needed for fully
asynchronous compilation, a goal for WASM.

R=mstarzinger@chromium.org
CC=jarin@chromium.org, mvstanton@chromium.org

BUG=v8:7721

Change-Id: Ie8bc3de40159332645dcb3cadcee581e1bf9830a
Reviewed-on: https://chromium-review.googlesource.com/1043746Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Ben Titzer <titzer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52990}