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Unified Diff: src/arm/stub-cache-arm.cc

Issue 137783023: Add hydrogen support for ArrayPop, and remove the handwritten call stubs. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 11 months ago
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Index: src/arm/stub-cache-arm.cc
diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc
index ca175e7f22cff51aa15ef07cb8074c3290ff0052..f655915bc3f0edb59b4da7d161b77a5ca4c0fd05 100644
--- a/src/arm/stub-cache-arm.cc
+++ b/src/arm/stub-cache-arm.cc
@@ -1816,79 +1816,6 @@ Handle<Code> CallStubCompiler::CompileArrayPushCall(
}
-Handle<Code> CallStubCompiler::CompileArrayPopCall(
- Handle<Object> object,
- Handle<JSObject> holder,
- Handle<Cell> cell,
- Handle<JSFunction> function,
- Handle<String> name,
- Code::StubType type) {
- // If object is not an array or is observed or sealed, bail out to regular
- // call.
- if (!object->IsJSArray() ||
- !cell.is_null() ||
- Handle<JSArray>::cast(object)->map()->is_observed() ||
- !Handle<JSArray>::cast(object)->map()->is_extensible()) {
- return Handle<Code>::null();
- }
-
- Label miss, return_undefined, call_builtin;
- Register receiver = r0;
- Register scratch = r1;
- Register elements = r3;
-
- HandlerFrontendHeader(object, holder, name, RECEIVER_MAP_CHECK, &miss);
-
- // Get the elements array of the object.
- __ ldr(elements, FieldMemOperand(receiver, JSArray::kElementsOffset));
-
- // Check that the elements are in fast mode and writable.
- __ CheckMap(elements,
- scratch,
- Heap::kFixedArrayMapRootIndex,
- &call_builtin,
- DONT_DO_SMI_CHECK);
-
- // Get the array's length into r4 and calculate new length.
- __ ldr(r4, FieldMemOperand(receiver, JSArray::kLengthOffset));
- __ sub(r4, r4, Operand(Smi::FromInt(1)), SetCC);
- __ b(lt, &return_undefined);
-
- // Get the last element.
- __ LoadRoot(r6, Heap::kTheHoleValueRootIndex);
- // We can't address the last element in one operation. Compute the more
- // expensive shift first, and use an offset later on.
- __ add(elements, elements, Operand::PointerOffsetFromSmiKey(r4));
- __ ldr(scratch, FieldMemOperand(elements, FixedArray::kHeaderSize));
- __ cmp(scratch, r6);
- __ b(eq, &call_builtin);
-
- // Set the array's length.
- __ str(r4, FieldMemOperand(receiver, JSArray::kLengthOffset));
-
- // Fill with the hole.
- __ str(r6, FieldMemOperand(elements, FixedArray::kHeaderSize));
- const int argc = arguments().immediate();
- __ Drop(argc + 1);
- __ mov(r0, scratch);
- __ Ret();
-
- __ bind(&return_undefined);
- __ LoadRoot(r0, Heap::kUndefinedValueRootIndex);
- __ Drop(argc + 1);
- __ Ret();
-
- __ bind(&call_builtin);
- __ TailCallExternalReference(
- ExternalReference(Builtins::c_ArrayPop, isolate()), argc + 1, 1);
-
- HandlerFrontendFooter(&miss);
-
- // Return the generated code.
- return GetCode(type, name);
-}
-
-
Handle<Code> CallStubCompiler::CompileFastApiCall(
const CallOptimization& optimization,
Handle<Object> object,
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