Add support for global variable references in toplevel code. We use...

Add support for global variable references in toplevel code. We use
the normal named load IC mechanism for now.  Generated code is similar
to the case for global variable assignments.


Committed: http://code.google.com/p/v8/source/detail?r=3101

[fschneider, 2009-10-20 14:16:17]

LGTM.

http://codereview.chromium.org/294021/diff/1/6
File src/arm/fast-codegen-arm.cc (right):

http://codereview.chromium.org/294021/diff/1/6#newcode142
Line 142: if (rewrite == NULL) {
Insert a comment here:

Comment cmnt(masm_, "[Load from global property");

http://codereview.chromium.org/294021/diff/1/3
File src/ia32/fast-codegen-ia32.cc (right):

http://codereview.chromium.org/294021/diff/1/3#newcode132
Line 132: if (rewrite == NULL) {
Insert a comment here like:

Comment cmnt(masm_, "[Load from global property");

http://codereview.chromium.org/294021/diff/1/5
File src/x64/fast-codegen-x64.cc (right):

http://codereview.chromium.org/294021/diff/1/5#newcode149
Line 149: if (rewrite == NULL) {
Insert a comment here:

Comment cmnt(masm_, "[Load from global property");