[turbofan] smash GapInstruction into Instruction

[turbofan] smash GapInstruction into Instruction

R=titzer@chromium.org
BUG=

Committed: https://crrev.com/e39750a26e920c8cfef62432710476edf3127d46
Cr-Commit-Position: refs/heads/master@{#27538}

[dcarney, 2015-03-31 12:06:27]

dcarney@chromium.org changed reviewers:
+ titzer@chromium.org

[dcarney, 2015-03-31 12:07:12]

ptal

[titzer, 2015-03-31 12:23:05]

titzer@chromium.org changed reviewers:
+ jarin@chromium.org

[titzer, 2015-03-31 12:23:06]

I like it a lot. This should save a bunch of memory as well. Looping in jarin@
to have a closer look at the MoveOptimizer changes.

[Jarin, 2015-03-31 12:56:24]

On 2015/03/31 12:23:06, titzer wrote:
> I like it a lot. This should save a bunch of memory as well. Looping in jarin@
> to have a closer look at the MoveOptimizer changes.

lgtm. I love it (well, perhaps with the exception of LifetimePosition having
four slots per instruction).

[dcarney, 2015-03-31 12:59:10]

The CQ bit was checked by dcarney@chromium.org

[commit-bot: I haz the power, 2015-03-31 12:59:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1041163002/140001

[commit-bot: I haz the power, 2015-03-31 13:06:42]

Committed patchset #8 (id:140001)

[commit-bot: I haz the power, 2015-03-31 13:06:54]

Patchset 8 (id:??) landed as
https://crrev.com/e39750a26e920c8cfef62432710476edf3127d46
Cr-Commit-Position: refs/heads/master@{#27538}