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comparison src/share/vm/graal/graalCodeInstaller.cpp @ 5682:f787843c890c

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implemented inferStamp for NewInstanceStubCall to infer exact, non-null stamp from constant hub value
author Doug Simon <doug.simon@oracle.com>
date Fri, 22 Jun 2012 10:43:06 +0200
parents 69358a2182a3
children 2a64cf19ab2a
comparison
equal deleted inserted replaced
5679:b32dc49bc024 5682:f787843c890c
778 address operand = Assembler::locate_operand(instruction, Assembler::imm_operand); 778 address operand = Assembler::locate_operand(instruction, Assembler::imm_operand);
779 Handle obj = Constant::object(constant); 779 Handle obj = Constant::object(constant);
780 780
781 if (obj->is_a(HotSpotKlassOop::klass())) { 781 if (obj->is_a(HotSpotKlassOop::klass())) {
782 assert(!obj.is_null(), ""); 782 assert(!obj.is_null(), "");
783 *((jobject*) operand) = JNIHandles::make_local(java_lang_Class::as_klassOop(HotSpotKlassOop::javaMirror(obj))); 783 oop type = HotSpotKlassOop::type(obj);
784 klassOop klass = java_lang_Class::as_klassOop(HotSpotResolvedJavaType::javaMirror(type));
785 *((jobject*) operand) = JNIHandles::make_local(klass);
784 _instructions->relocate(instruction, oop_Relocation::spec_for_immediate(), Assembler::imm_operand); 786 _instructions->relocate(instruction, oop_Relocation::spec_for_immediate(), Assembler::imm_operand);
785 TRACE_graal_3("relocating (HotSpotJavaType) at %016x/%016x", instruction, operand); 787 TRACE_graal_3("relocating (HotSpotJavaType) at %016x/%016x", instruction, operand);
786 } else { 788 } else {
787 jobject value = JNIHandles::make_local(obj()); 789 jobject value = JNIHandles::make_local(obj());
788 if (obj() == HotSpotProxy::DUMMY_CONSTANT_OBJ()) { 790 if (obj() == HotSpotProxy::DUMMY_CONSTANT_OBJ()) {