Convert UnaryOpStub to a HydrogenCodeStub

Convert UnaryOpStub to a HydrogenCodeStub

BUG=
R=danno@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=15506

[oliv, 2013-07-05 08:13:42]

now including the pass-test262 feature :)

[danno, 2013-07-05 08:25:48]

https://codereview.chromium.org/18712002/diff/18001/src/code-stubs-hydrogen.cc
File src/code-stubs-hydrogen.cc (right):

https://codereview.chromium.org/18712002/diff/18001/src/code-stubs-hydrogen.c...
src/code-stubs-hydrogen.cc:781: AddInstruction(new(zone())
HPushArgument(GetParameter(0)));
Add<HPushArgument>(GetParameter(0));

https://codereview.chromium.org/18712002/diff/18001/src/code-stubs-hydrogen.c...
src/code-stubs-hydrogen.cc:782: if_number.Return(AddInstruction(new(zone())
HInvokeFunction(
HValue* result = Add<HInvokeFunction>(context(), function, 1);
if_number.Return(result);

https://codereview.chromium.org/18712002/diff/18001/src/hydrogen.cc
File src/hydrogen.cc (right):

https://codereview.chromium.org/18712002/diff/18001/src/hydrogen.cc#newcode1986
src/hydrogen.cc:1986: HValue*  HGraphBuilder::LoadJSBuiltin(Builtins::JavaScript
builtin,
nit: one space after HValue*, and perhaps call this function AddLoadJSBuiltin

https://codereview.chromium.org/18712002/diff/18001/src/hydrogen.cc#newcode1989
src/hydrogen.cc:1989: AddInstruction(global_object);
Instead of

HGlobalObject* global_object = new(zone()) HGlobalObject(context);
AddInstruction(global_object);

Just use:

HGlobalObject* global_object = Add<HGlobalOBject>(context);

[oliv, 2013-07-05 09:17:34]

PTAL
had to rebase, since my branch point was before Add<>. I love the new syntax!

[danno, 2013-07-05 09:19:47]

lgtm

[oliv, 2013-07-05 09:26:40]

Committed patchset #4 manually as r15506 (presubmit successful).