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Unified Diff: src/ia32/lithium-codegen-ia32.cc

Issue 12521011: Compile FastCloneShallowArrayStub using Crankshaft. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Rebased. Created 7 years, 9 months ago
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Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 5a69ed0e2439bfea1d4e230865e3e0548bfe439c..07ea5a7a0d1d19700cd16510bf5e4385d235ebec 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -5609,26 +5609,33 @@ void LCodeGen::DoArrayLiteral(LArrayLiteral* instr) {
DeoptimizeIf(not_equal, instr->environment());
}
- // Set up the parameters to the stub/runtime call.
- __ PushHeapObject(literals);
- __ push(Immediate(Smi::FromInt(instr->hydrogen()->literal_index())));
- // Boilerplate already exists, constant elements are never accessed.
- // Pass an empty fixed array.
- __ push(Immediate(isolate()->factory()->empty_fixed_array()));
-
- // Pick the right runtime function or stub to call.
+ // Set up the parameters to the stub/runtime call and pick the right
+ // runtime function or stub to call. Boilerplate already exists,
+ // constant elements are never accessed, pass an empty fixed array.
int length = instr->hydrogen()->length();
if (instr->hydrogen()->IsCopyOnWrite()) {
ASSERT(instr->hydrogen()->depth() == 1);
+ __ LoadHeapObject(eax, literals);
+ __ mov(ebx, Immediate(Smi::FromInt(instr->hydrogen()->literal_index())));
+ __ mov(ecx, Immediate(isolate()->factory()->empty_fixed_array()));
FastCloneShallowArrayStub::Mode mode =
FastCloneShallowArrayStub::COPY_ON_WRITE_ELEMENTS;
FastCloneShallowArrayStub stub(mode, DONT_TRACK_ALLOCATION_SITE, length);
CallCode(stub.GetCode(isolate()), RelocInfo::CODE_TARGET, instr);
} else if (instr->hydrogen()->depth() > 1) {
+ __ PushHeapObject(literals);
+ __ push(Immediate(Smi::FromInt(instr->hydrogen()->literal_index())));
+ __ push(Immediate(isolate()->factory()->empty_fixed_array()));
CallRuntime(Runtime::kCreateArrayLiteral, 3, instr);
} else if (length > FastCloneShallowArrayStub::kMaximumClonedLength) {
+ __ PushHeapObject(literals);
+ __ push(Immediate(Smi::FromInt(instr->hydrogen()->literal_index())));
+ __ push(Immediate(isolate()->factory()->empty_fixed_array()));
CallRuntime(Runtime::kCreateArrayLiteralShallow, 3, instr);
} else {
+ __ LoadHeapObject(eax, literals);
+ __ mov(ebx, Immediate(Smi::FromInt(instr->hydrogen()->literal_index())));
+ __ mov(ecx, Immediate(isolate()->factory()->empty_fixed_array()));
FastCloneShallowArrayStub::Mode mode =
boilerplate_elements_kind == FAST_DOUBLE_ELEMENTS
? FastCloneShallowArrayStub::CLONE_DOUBLE_ELEMENTS
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