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X64 Crankshaft: Add DoOuterContext to x64 lithium.

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Review URL: http://codereview.chromium.org/6570008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6914 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
whesse@chromium.org 2011-02-23 13:26:28 +00:00
parent 791c9e2c21
commit c61ac2cd84
3 changed files with 24 additions and 2 deletions
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9
src/x64/lithium-codegen-x64.cc
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@ -2205,6 +2205,15 @@ void LCodeGen::DoContext(LContext* instr) {
}
void LCodeGen::DoOuterContext(LOuterContext* instr) {
Register context = ToRegister(instr->context());
Register result = ToRegister(instr->result());
__ movq(result,
Operand(context, Context::SlotOffset(Context::CLOSURE_INDEX)));
__ movq(result, FieldOperand(result, JSFunction::kContextOffset));
}
void LCodeGen::DoGlobalObject(LGlobalObject* instr) {
Register result = ToRegister(instr->result());
__ movq(result, GlobalObjectOperand());

4
src/x64/lithium-x64.cc
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@ -1190,8 +1190,8 @@ LInstruction* LChunkBuilder::DoContext(HContext* instr) {
LInstruction* LChunkBuilder::DoOuterContext(HOuterContext* instr) {
Abort("Unimplemented: DoOuterContext");
return NULL;
LOperand* context = UseRegisterAtStart(instr->value());
return DefineAsRegister(new LOuterContext(context));
}

13
src/x64/lithium-x64.h
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@ -129,6 +129,7 @@ class LCodeGen;
V(NumberUntagD) \
V(ObjectLiteral) \
V(OsrEntry) \
V(OuterContext) \
V(Parameter) \
V(PixelArrayLength) \
V(Power) \
@ -1280,6 +1281,18 @@ class LContext: public LTemplateInstruction<1, 0, 0> {
};
class LOuterContext: public LTemplateInstruction<1, 1, 0> {
public:
explicit LOuterContext(LOperand* context) {
inputs_[0] = context;
}
DECLARE_CONCRETE_INSTRUCTION(OuterContext, "outer-context")
LOperand* context() { return InputAt(0); }
};
class LGlobalObject: public LTemplateInstruction<1, 0, 0> {
public:
DECLARE_CONCRETE_INSTRUCTION(GlobalObject, "global-object")