Revision: 6160
Author: [email protected]
Date: Tue Jan 4 06:25:20 2011
Log: Implement ARM lithium support for ArrayLiteral.
Review URL: http://codereview.chromium.org/6046011
http://code.google.com/p/v8/source/detail?r=6160
Modified:
/trunk/src/arm/lithium-codegen-arm.cc
=======================================
--- /trunk/src/arm/lithium-codegen-arm.cc Mon Jan 3 02:16:46 2011
+++ /trunk/src/arm/lithium-codegen-arm.cc Tue Jan 4 06:25:20 2011
@@ -2047,7 +2047,30 @@
void LCodeGen::DoArrayLiteral(LArrayLiteral* instr) {
- Abort("DoArrayLiteral unimplemented.");
+ __ ldr(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
+ __ ldr(r3, FieldMemOperand(r3, JSFunction::kLiteralsOffset));
+ __ mov(r2, Operand(Smi::FromInt(instr->hydrogen()->literal_index())));
+ __ mov(r1, Operand(instr->hydrogen()->constant_elements()));
+ __ Push(r3, r2, r1);
+
+ // Pick the right runtime function or stub to call.
+ int length = instr->hydrogen()->length();
+ if (instr->hydrogen()->IsCopyOnWrite()) {
+ ASSERT(instr->hydrogen()->depth() == 1);
+ FastCloneShallowArrayStub::Mode mode =
+ FastCloneShallowArrayStub::COPY_ON_WRITE_ELEMENTS;
+ FastCloneShallowArrayStub stub(mode, length);
+ CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+ } else if (instr->hydrogen()->depth() > 1) {
+ CallRuntime(Runtime::kCreateArrayLiteral, 3, instr);
+ } else if (length > FastCloneShallowArrayStub::kMaximumClonedLength) {
+ CallRuntime(Runtime::kCreateArrayLiteralShallow, 3, instr);
+ } else {
+ FastCloneShallowArrayStub::Mode mode =
+ FastCloneShallowArrayStub::CLONE_ELEMENTS;
+ FastCloneShallowArrayStub stub(mode, length);
+ CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+ }
}
--
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