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Unified Diff: src/x64/lithium-codegen-x64.cc

Issue 9837002: Support arguments object access from inlined functions. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: revert heap.cc Created 8 years, 9 months ago
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Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 4287c3c85af18cf7ae1a3ad734d0bc7fd8eae3b9..0845915dc5ded8b2e034c778829183dd5c046bd0 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -2497,24 +2497,28 @@ void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) {
Register result = ToRegister(instr->result());
- // Check for arguments adapter frame.
- Label done, adapted;
- __ movq(result, Operand(rbp, StandardFrameConstants::kCallerFPOffset));
- __ Cmp(Operand(result, StandardFrameConstants::kContextOffset),
- Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
- __ j(equal, &adapted, Label::kNear);
-
- // No arguments adaptor frame.
- __ movq(result, rbp);
- __ jmp(&done, Label::kNear);
+ if (instr->from_inlined()) {
+ __ lea(result, Operand(rsp, -2 * kPointerSize));
+ } else {
+ // Check for arguments adapter frame.
+ Label done, adapted;
+ __ movq(result, Operand(rbp, StandardFrameConstants::kCallerFPOffset));
+ __ Cmp(Operand(result, StandardFrameConstants::kContextOffset),
+ Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
+ __ j(equal, &adapted, Label::kNear);
+
+ // No arguments adaptor frame.
+ __ movq(result, rbp);
+ __ jmp(&done, Label::kNear);
- // Arguments adaptor frame present.
- __ bind(&adapted);
- __ movq(result, Operand(rbp, StandardFrameConstants::kCallerFPOffset));
+ // Arguments adaptor frame present.
+ __ bind(&adapted);
+ __ movq(result, Operand(rbp, StandardFrameConstants::kCallerFPOffset));
- // Result is the frame pointer for the frame if not adapted and for the real
- // frame below the adaptor frame if adapted.
- __ bind(&done);
+ // Result is the frame pointer for the frame if not adapted and for the real
+ // frame below the adaptor frame if adapted.
+ __ bind(&done);
+ }
}
@@ -2640,6 +2644,11 @@ void LCodeGen::DoPushArgument(LPushArgument* instr) {
}
+void LCodeGen::DoPop(LPop* instr) {
+ __ Drop(instr->count());
+}
+
+
void LCodeGen::DoThisFunction(LThisFunction* instr) {
Register result = ToRegister(instr->result());
__ LoadHeapObject(result, instr->hydrogen()->closure());

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