[turbofan] Save OOL constant pool pointer in CodeGenerator::AssemblePrologue.

[turbofan] Save OOL constant pool pointer in CodeGenerator::AssemblePrologue.

BUG=
R=bmeurer@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=23843

[ulan, 2014-09-04 13:50:10]

ulan@chromium.org changed reviewers:
+ rmcilroy@chromium.org, titzer@chromium.org

[ulan, 2014-09-04 13:50:10]

PTAL. This fixes test failures that triggered by enabling out of line constant
pool.

https://codereview.chromium.org/541733002/diff/1/src/compiler/arm/code-genera...
File src/compiler/arm/code-generator-arm.cc (right):

https://codereview.chromium.org/541733002/diff/1/src/compiler/arm/code-genera...
src/compiler/arm/code-generator-arm.cc:622: if (FLAG_enable_ool_constant_pool) {
This matches now what LeaveFrame(StackFrame::MANUAL) does in
CodeGenerator::AssembleReturn.

It seems inconsistent that we manually set up frame here, but use LeaveFrame of
masm on return. Would expanding LeaveFrame be better?

[ulan, 2014-09-10 12:54:02]

ulan@chromium.org changed reviewers:
+ bmeurer@chromium.org

[Benedikt Meurer, 2014-09-10 12:55:38]

lgtm

[ulan, 2014-09-10 14:41:06]

Committed patchset #1 (id:1) manually as 23843 (presubmit successful).