PPC: Switch full-codegen from StackHandlers to handler table.

PPC: Switch full-codegen from StackHandlers to handler table.

Port 38a719f965d0a83ddac04392d5b9c5abe214281c

Original commit message:
This switches full-codegen to no longer push and pop StackHandler
markers onto the operand stack, but relies on a range-based handler
table instead. We only use StackHandlers in JSEntryStubs to mark the
transition from C to JS code.

Note that this makes deoptimization and OSR from within any try-block
work out of the box, makes the non-exception paths faster and should
overall be neutral on the memory footprint (pros).

On the other hand it makes the exception paths slower and actually
throwing and exception more expensive (cons).

TEST=cctest/test-run-jsexceptions/DeoptTry

R=yangguo@chromium.org, R=mbrandy@us.ibm.com

BUG=

Committed: https://crrev.com/918ec32d7b6917358131d1a6f463c6b442966455
Cr-Commit-Position: refs/heads/master@{#27453}

[michael_dawson, 2015-03-25 16:37:40]

Next PPC port

[MTBrandyberry, 2015-03-25 17:04:07]

On 2015/03/25 16:37:40, michael_dawson wrote:
> Next PPC port

lgtm

[michael_dawson, 2015-03-25 17:04:30]

The CQ bit was checked by michael_dawson@ca.ibm.com

[commit-bot: I haz the power, 2015-03-25 17:04:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1035533004/1

[commit-bot: I haz the power, 2015-03-25 17:26:39]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-25 17:26:52]

Patchset 1 (id:??) landed as
https://crrev.com/918ec32d7b6917358131d1a6f463c6b442966455
Cr-Commit-Position: refs/heads/master@{#27453}