Revision: 6914
Author: [email protected]
Date: Wed Feb 23 05:26:28 2011
Log: X64 Crankshaft: Add DoOuterContext to x64 lithium.
Review URL: http://codereview.chromium.org/6570008
http://code.google.com/p/v8/source/detail?r=6914
Modified:
/branches/bleeding_edge/src/x64/lithium-codegen-x64.cc
/branches/bleeding_edge/src/x64/lithium-x64.cc
/branches/bleeding_edge/src/x64/lithium-x64.h
=======================================
--- /branches/bleeding_edge/src/x64/lithium-codegen-x64.cc Wed Feb 23
03:29:11 2011
+++ /branches/bleeding_edge/src/x64/lithium-codegen-x64.cc Wed Feb 23
05:26:28 2011
@@ -2203,6 +2203,15 @@
Register result = ToRegister(instr->result());
__ movq(result, Operand(rbp, StandardFrameConstants::kContextOffset));
}
+
+
+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) {
=======================================
--- /branches/bleeding_edge/src/x64/lithium-x64.cc Wed Feb 23 03:29:11 2011
+++ /branches/bleeding_edge/src/x64/lithium-x64.cc Wed Feb 23 05:26:28 2011
@@ -1190,8 +1190,8 @@
LInstruction* LChunkBuilder::DoOuterContext(HOuterContext* instr) {
- Abort("Unimplemented: DoOuterContext");
- return NULL;
+ LOperand* context = UseRegisterAtStart(instr->value());
+ return DefineAsRegister(new LOuterContext(context));
}
=======================================
--- /branches/bleeding_edge/src/x64/lithium-x64.h Wed Feb 23 03:19:50 2011
+++ /branches/bleeding_edge/src/x64/lithium-x64.h Wed Feb 23 05:26:28 2011
@@ -129,6 +129,7 @@
V(NumberUntagD) \
V(ObjectLiteral) \
V(OsrEntry) \
+ V(OuterContext) \
V(Parameter) \
V(PixelArrayLength) \
V(Power) \
@@ -1280,6 +1281,18 @@
};
+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")
--
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