ARM: Implement DoInstanceOfAndBranch in the lithium code generator

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index ea88cb3f84a92652ec2d98dd7f44ede82bd72c5a..f46a95b3ccdf5740e5935c2296b70a104bc7ade6 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -2004,7 +2004,15 @@ void LCodeGen::DoInstanceOf(LInstanceOf* instr) {
 
 
 void LCodeGen::DoInstanceOfAndBranch(LInstanceOfAndBranch* instr) {
-  Abort("DoInstanceOfAndBranch unimplemented.");
+  int true_block = chunk_->LookupDestination(instr->true_block_id());
+  int false_block = chunk_->LookupDestination(instr->false_block_id());
+
+  Register result = r0;
+
+  InstanceofStub stub(InstanceofStub::kArgsInRegisters);

[Søren Thygesen Gjesse, 2011/01/26 07:38:51]

Don't you need to change the creation of LInstanceOfAndBranch to ensure left and
right in r1 and r0?

[Karl Klose, 2011/01/26 20:39:18]

Yes, I fixed it.

On 2011/01/26 07:38:51, Søren Gjesse wrote:

+  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+  __ tst(result, Operand(result));
+  EmitBranch(true_block, false_block, eq);
 }