Revision: 6165
Author: [email protected]
Date: Tue Jan  4 06:48:25 2011
Log: Implement Lithium ARM support for ArrayLiteral.

[email protected]
Review URL: http://codereview.chromium.org/5988008
http://code.google.com/p/v8/source/detail?r=6165

Modified:
 /branches/bleeding_edge/src/arm/lithium-codegen-arm.cc

=======================================
--- /branches/bleeding_edge/src/arm/lithium-codegen-arm.cc Tue Jan 4 06:32:54 2011 +++ /branches/bleeding_edge/src/arm/lithium-codegen-arm.cc Tue Jan 4 06:48:25 2011
@@ -2173,7 +2173,30 @@


 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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