(== SetFunctionPosition in the top-level compiler)

IA32 and X64 already do this at the beginning of CodeGenerator::gencode

Review URL: http://codereview.chromium.org/354026

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directly-applied function literals that are themselves compiled with
the top-level code generator.

The choice is guarded by a test that the function is anonymous (thus
not expected to be recursive) and not in a loop.

A compilation hint is set in the shared function info and used to make
the choice.

Review URL: http://codereview.chromium.org/341081

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3206 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/351021


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3205 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Calls to a non-global variable would go through the "call to a global"
path, rather than the "call to an arbitrary (other) expression" path.

Review URL: http://codereview.chromium.org/355009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3204 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/345046


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3202 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/342078


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Review URL: http://codereview.chromium.org/340059

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3199 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

generator, mimicing the behavior of the optimizing compiler.

Initialization blocks can only contain (thus begin and end) with a
property assignment in toplevel code.

Review URL: http://codereview.chromium.org/348038

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3198 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Re-apply r3153 with a fix for issue 490. Except for the change in line 1756 and the added test this change is identical to http://codereview.chromium.org/342015.

BUG=490
TEST=test/mjsunit/regress/regress-490.js
Review URL: http://codereview.chromium.org/341064

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a function in the top-level compiler.

e.g.

function f() { return (function() { return true; }) }
f()()


Review URL: http://codereview.chromium.org/346029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3196 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

a platform-independent structure and a few platform-specific helpers
to do the heavy lifting.

Review URL: http://codereview.chromium.org/342073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3195 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

variable for the top-level compiler.

Review URL: http://codereview.chromium.org/342058

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3194 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/343057

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3193 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/340058

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3192 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/341024


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3189 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/346022

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context.  Test contexts are used for the left subexpressions of
short-circuited boolean operators.  The right subexpressions inherit
their expression context from the binary op expression.

Compilation of short-circuited operations in effect and test context
is straightforward:

effect(e0 || e1) =
 test(e0, L0, L1)
 L1: effect(e1)
 L0:

test(e0 || e1, L0, L1) =
 test(e0, L0, L2)
 L2: test(e1, L0, L1)

Because the value of the first subexpression may be needed as the
value of the whole expression in a value context, we introduce a
hybrid value/test contest (the value is needed if true, but not if
false).

value(e0 || e1) =
 value/test(e0, L0, L1)
 L1: value(e1)
 L0:

The compilation of value/test and test/value (introduced by boolean
AND) is:

value/test(e0 || e1, L0, L1) =
 value/test(e0, L0, L2)
 L2: value/test(e1, L0, L1)

test/value(e0 || e1, L0, L1) =
 test(e0, L0, L2)
 L2: test/value(e1, L0, L1)

Boolean AND is the dual.  The AST nodes themselves (not their parents)
are responsible for producing the proper result (effect, value, or
control flow) depending on their context.

Review URL: http://codereview.chromium.org/339082

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Review URL: http://codereview.chromium.org/342055

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3186 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/349001

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it on by default.  Includes bug fixes for new snapshots.
Review URL: http://codereview.chromium.org/342054

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o.x() and o[expr]()

other changes:
- Fix missing relocation info for StoreIC on global object.
- Generate only one common return sequence instead of always appending 
  "return <undefined>" at the end of each function: The first JS 
  return-statement will generate the common return sequence. All
  other return-statements will generate a unconditional branch to the common
  return sequence.


Review URL: http://codereview.chromium.org/340037

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TBR=whesse@chromium.org

Review URL: http://codereview.chromium.org/343055

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Since it is (currently) only an enum, change it to an enum (for now).

Review URL: http://codereview.chromium.org/342035

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The code for .result = (b.y = 99) where b is a global variable is:

  push [esi+0x17]
  mov ecx,0xf5c229ad          ;; object: 0xf5c229ad <String[1]: b>
  call LoadIC_Initialize
  nop
  mov [esp],eax
  mov eax,0xc6
  mov ecx,0xf5c25c41          ;; object: 0xf5c25c41 <String[1]: y>
  call StoreIC_Initialize
  nop
  mov [esp],eax
  pop [ebp+0xf4]

There is still some room for improvement in the generated code.

Other changes:
 - Replaced switch-statement in FastCodeGenerator::VisitProperty with DropAndMove(...)
 - Do not emit nop after IC calls on ARM.

Review URL: http://codereview.chromium.org/347001

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BUG=25819

Review URL: http://codereview.chromium.org/334043

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Review URL: http://codereview.chromium.org/348010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3176 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

scheme for enumerations (eg, EFFECT => kEffect).

Remove the ability to move from one Location to another, which should
never be necessary.

Review URL: http://codereview.chromium.org/340034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3175 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=christian.plesner.hansen@gmail.com
Review URL: http://codereview.chromium.org/343035

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3174 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=whesse@chromium.org

Review URL: http://codereview.chromium.org/346012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3173 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/342019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3172 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

context of the expressions they label.  Introduce an "unintialized"
location to catch failure to assign any location at all.

Changed the object literal initialization on ARM to use a Store IC in
the same cases where it did on the other platforms.  This was required
because the location of the literal property name is given an
"unitialized" location.

Review URL: http://codereview.chromium.org/339045

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3171 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=erik.corry@gmail.com
Review URL: http://codereview.chromium.org/341031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3170 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/338063

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Review URL: http://codereview.chromium.org/339043

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3165 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/345007


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location to an Expression AST node from the node's parent to the node
itself.

This allows an inherited code generation context from a parent node to
be passed arbitrarily far down the tree (eg, the subexpression of a
unary not is in the same context as the unary expression itself, the
then and else subexpressions of the ternary operator are in the same
context as the whole expression, and so forth).

We do not yet take advantage of this in the backend (eg, the right
subexpression of short-circuited OR is still compiled by using the
parent's destination location, rather than the subexpression's
itself).

Review URL: http://codereview.chromium.org/340005

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* The maximum length of short and medium sized strings is now derived from other constants.
* Remove the redundant String part of their names.
Review URL: http://codereview.chromium.org/347002

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Review URL: http://codereview.chromium.org/344011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3161 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/343016


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