Version 2.3.1
Fixed compilation and linking with V8_INTERPRETED_REGEXP flag.
Fixed bug related to code flushing while compiling a lazy compilable function (issue http://crbug.com/49099).
Performance improvements on all platforms.
git-svn-id: http://v8.googlecode.com/svn/trunk@5091 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/arm/codegen-arm.cc b/src/arm/codegen-arm.cc
index 71775ac..0b2081b 100644
--- a/src/arm/codegen-arm.cc
+++ b/src/arm/codegen-arm.cc
@@ -4760,6 +4760,24 @@
}
+void CodeGenerator::GenerateIsSpecObject(ZoneList<Expression*>* args) {
+ // This generates a fast version of:
+ // (typeof(arg) === 'object' || %_ClassOf(arg) == 'RegExp' ||
+ // typeof(arg) == function).
+ // It includes undetectable objects (as opposed to IsObject).
+ ASSERT(args->length() == 1);
+ Load(args->at(0));
+ Register value = frame_->PopToRegister();
+ __ tst(value, Operand(kSmiTagMask));
+ false_target()->Branch(eq);
+ // Check that this is an object.
+ __ ldr(value, FieldMemOperand(value, HeapObject::kMapOffset));
+ __ ldrb(value, FieldMemOperand(value, Map::kInstanceTypeOffset));
+ __ cmp(value, Operand(FIRST_JS_OBJECT_TYPE));
+ cc_reg_ = ge;
+}
+
+
void CodeGenerator::GenerateIsFunction(ZoneList<Expression*>* args) {
// This generates a fast version of:
// (%_ClassOf(arg) === 'Function')