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Implement Lithium ARM support for ArrayLiteral.

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TBR=kasperl@chromium.org
Review URL: http://codereview.chromium.org/5988008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6165 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
danno@chromium.org 2011-01-04 14:48:25 +00:00
parent 806368bc92
commit d44f3a0223
1 changed files with 24 additions and 1 deletions
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25
src/arm/lithium-codegen-arm.cc
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@ -2173,7 +2173,30 @@ void LCodeGen::DoCheckPrototypeMaps(LCheckPrototypeMaps* instr) {
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);
}
}