Always iterate outgoing arguments as a part of caller frame.

Always iterate outgoing arguments as a part of caller frame.

Change caller_sp() to always point to the place after outgoing arguments.

Change deoptimizer to use absolute stack slot addresses for deferred HeapNumber's materialization.

(This is reapplication of r7504 with fix for mozilla testsuite failures).

Committed: http://code.google.com/p/v8/source/detail?r=7516

[Vyacheslav Egorov (Chromium), 2011-04-06 10:54:11]

Florian volunteered to review it.

[fschneider, 2011-04-06 14:06:55]

LGTM.

Thanks for refactoring of heap number materialization!

http://codereview.chromium.org/6677164/diff/1/src/frames.h
File src/frames.h (right):

http://codereview.chromium.org/6677164/diff/1/src/frames.h#newcode571
src/frames.h:571: return Smi::cast(GetExpression(0))->value();
Too much indentation.

http://codereview.chromium.org/6677164/diff/1/src/runtime.cc
File src/runtime.cc (right):

http://codereview.chromium.org/6677164/diff/1/src/runtime.cc#newcode7331
src/runtime.cc:7331: for (int i = 0; i < frames; i++) {
That's a little confusing to get to the bottom frame of the deopt. Can you just
write e.g.:

for (int i = 0; i < frames - 1; i++) it.Advance();