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ARM: Implement DoInstanceOfAndBranch in the lithium code generator.

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BUG=none
TEST=none

Review URL: http://codereview.chromium.org/6364007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6507 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
karlklose@chromium.org 2011-01-27 03:22:08 +00:00
parent 4c6329c8f8
commit 592089419d
2 changed files with 12 additions and 3 deletions
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4
src/arm/lithium-arm.cc
View File

@ -1028,8 +1028,8 @@ LInstruction* LChunkBuilder::DoTest(HTest* instr) {
} else if (v->IsInstanceOf()) {
HInstanceOf* instance_of = HInstanceOf::cast(v);
LInstruction* result =
new LInstanceOfAndBranch(Use(instance_of->left()),
Use(instance_of->right()));
new LInstanceOfAndBranch(UseFixed(instance_of->left(), r0),
UseFixed(instance_of->right(), r1));
return MarkAsCall(result, instr);
} else if (v->IsTypeofIs()) {
HTypeofIs* typeof_is = HTypeofIs::cast(v);

11
src/arm/lithium-codegen-arm.cc
View File

@ -1991,7 +1991,16 @@ void LCodeGen::DoInstanceOf(LInstanceOf* instr) {
void LCodeGen::DoInstanceOfAndBranch(LInstanceOfAndBranch* instr) {
Abort("DoInstanceOfAndBranch unimplemented.");
ASSERT(ToRegister(instr->InputAt(0)).is(r0)); // Object is in r0.
ASSERT(ToRegister(instr->InputAt(1)).is(r1)); // Function is in r1.
int true_block = chunk_->LookupDestination(instr->true_block_id());
int false_block = chunk_->LookupDestination(instr->false_block_id());
InstanceofStub stub(InstanceofStub::kArgsInRegisters);
CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
__ tst(r0, Operand(r0));
EmitBranch(true_block, false_block, eq);
}