ARM: Implement DoInstanceOfAndBranch in the lithium code generator

src/arm/lithium-codegen-arm.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
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@@ skipping 1986 matching lines @@
   CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
 
   Label true_value, done;
   __ tst(r0, r0);
   __ mov(r0, Operand(Factory::false_value()), LeaveCC, ne);
   __ mov(r0, Operand(Factory::true_value()), LeaveCC, eq);
 }
 
 
 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);
 }
 
 
 void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
   class DeferredInstanceOfKnownGlobal: public LDeferredCode {
    public:
     DeferredInstanceOfKnownGlobal(LCodeGen* codegen,
                                   LInstanceOfKnownGlobal* instr)
         : LDeferredCode(codegen), instr_(instr) { }
     virtual void Generate() {
@@ skipping 1656 matching lines @@
 
 
 void LCodeGen::DoOsrEntry(LOsrEntry* instr) {
   Abort("DoOsrEntry unimplemented.");
 }
 
 
 #undef __
 
 } }  // namespace v8::internal