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7174218: remove AtomicLongCSImpl intrinsics
diff -r 8f37087fc13f src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp
--- a/src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp Wed Jun 06 01:15:36 2012 +0800
@@ -644,30 +644,6 @@
}
-void LIRGenerator::do_AttemptUpdate(Intrinsic* x) {
- assert(x->number_of_arguments() == 3, "wrong type");
- LIRItem obj (x->argument_at(0), this); // AtomicLong object
- LIRItem cmp_value (x->argument_at(1), this); // value to compare with field
- LIRItem new_value (x->argument_at(2), this); // replace field with new_value if it matches cmp_value
-
- obj.load_item();
- cmp_value.load_item();
- new_value.load_item();
-
- // generate compare-and-swap and produce zero condition if swap occurs
- int value_offset = sun_misc_AtomicLongCSImpl::value_offset();
- LIR_Opr addr = FrameMap::O7_opr;
- __ add(obj.result(), LIR_OprFact::intConst(value_offset), addr);
- LIR_Opr t1 = FrameMap::G1_opr; // temp for 64-bit value
- LIR_Opr t2 = FrameMap::G3_opr; // temp for 64-bit value
- __ cas_long(addr, cmp_value.result(), new_value.result(), t1, t2);
-
- // generate conditional move of boolean result
- LIR_Opr result = rlock_result(x);
- __ cmove(lir_cond_equal, LIR_OprFact::intConst(1), LIR_OprFact::intConst(0), result, T_LONG);
-}
-
-
void LIRGenerator::do_CompareAndSwap(Intrinsic* x, ValueType* type) {
assert(x->number_of_arguments() == 4, "wrong type");
LIRItem obj (x->argument_at(0), this); // object
diff -r 8f37087fc13f src/cpu/sparc/vm/sparc.ad
--- a/src/cpu/sparc/vm/sparc.ad Tue Jun 05 10:15:27 2012 +0200
+++ b/src/cpu/sparc/vm/sparc.ad Wed Jun 06 01:15:36 2012 +0800
@@ -827,7 +827,6 @@
// a Load
// inputs are (0:control, 1:memory, 2:address)
if (!(n->ideal_Opcode()==ld_op) && // Following are special cases
- !(n->ideal_Opcode()==Op_LoadLLocked && ld_op==Op_LoadI) &&
!(n->ideal_Opcode()==Op_LoadPLocked && ld_op==Op_LoadP) &&
!(n->ideal_Opcode()==Op_LoadI && ld_op==Op_LoadF) &&
!(n->ideal_Opcode()==Op_LoadF && ld_op==Op_LoadI) &&
@@ -7306,17 +7305,6 @@
ins_pipe(iload_mem);
%}
-// LoadL-locked. Same as a regular long load when used with a compare-swap
-instruct loadLLocked(iRegL dst, memory mem) %{
- match(Set dst (LoadLLocked mem));
- ins_cost(MEMORY_REF_COST);
- size(4);
- format %{ "LDX $mem,$dst\t! long" %}
- opcode(Assembler::ldx_op3);
- ins_encode(simple_form3_mem_reg( mem, dst ) );
- ins_pipe(iload_mem);
-%}
-
instruct storePConditional( iRegP heap_top_ptr, iRegP oldval, g3RegP newval, flagsRegP pcc ) %{
match(Set pcc (StorePConditional heap_top_ptr (Binary oldval newval)));
effect( KILL newval );
diff -r 8f37087fc13f src/cpu/x86/vm/c1_LIRGenerator_x86.cpp
--- a/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp Wed Jun 06 01:15:36 2012 +0800
@@ -718,35 +718,6 @@
}
-void LIRGenerator::do_AttemptUpdate(Intrinsic* x) {
- assert(x->number_of_arguments() == 3, "wrong type");
- LIRItem obj (x->argument_at(0), this); // AtomicLong object
- LIRItem cmp_value (x->argument_at(1), this); // value to compare with field
- LIRItem new_value (x->argument_at(2), this); // replace field with new_value if it matches cmp_value
-
- // compare value must be in rdx,eax (hi,lo); may be destroyed by cmpxchg8 instruction
- cmp_value.load_item_force(FrameMap::long0_opr);
-
- // new value must be in rcx,ebx (hi,lo)
- new_value.load_item_force(FrameMap::long1_opr);
-
- // object pointer register is overwritten with field address
- obj.load_item();
-
- // generate compare-and-swap; produces zero condition if swap occurs
- int value_offset = sun_misc_AtomicLongCSImpl::value_offset();
- LIR_Opr addr = new_pointer_register();
- __ leal(LIR_OprFact::address(new LIR_Address(obj.result(), value_offset, T_LONG)), addr);
- LIR_Opr t1 = LIR_OprFact::illegalOpr; // no temp needed
- LIR_Opr t2 = LIR_OprFact::illegalOpr; // no temp needed
- __ cas_long(addr, cmp_value.result(), new_value.result(), t1, t2);
-
- // generate conditional move of boolean result
- LIR_Opr result = rlock_result(x);
- __ cmove(lir_cond_equal, LIR_OprFact::intConst(1), LIR_OprFact::intConst(0), result, T_LONG);
-}
-
-
void LIRGenerator::do_CompareAndSwap(Intrinsic* x, ValueType* type) {
assert(x->number_of_arguments() == 4, "wrong type");
LIRItem obj (x->argument_at(0), this); // object
diff -r 8f37087fc13f src/cpu/x86/vm/x86_32.ad
--- a/src/cpu/x86/vm/x86_32.ad Tue Jun 05 10:15:27 2012 +0200
+++ b/src/cpu/x86/vm/x86_32.ad Wed Jun 06 01:15:36 2012 +0800
@@ -7796,50 +7796,6 @@
ins_pipe( ialu_reg_mem );
%}
-// LoadLong-locked - same as a volatile long load when used with compare-swap
-instruct loadLLocked(stackSlotL dst, memory mem) %{
- predicate(UseSSE<=1);
- match(Set dst (LoadLLocked mem));
-
- ins_cost(200);
- format %{ "FILD $mem\t# Atomic volatile long load\n\t"
- "FISTp $dst" %}
- ins_encode(enc_loadL_volatile(mem,dst));
- ins_pipe( fpu_reg_mem );
-%}
-
-instruct loadLX_Locked(stackSlotL dst, memory mem, regD tmp) %{
- predicate(UseSSE>=2);
- match(Set dst (LoadLLocked mem));
- effect(TEMP tmp);
- ins_cost(180);
- format %{ "MOVSD $tmp,$mem\t# Atomic volatile long load\n\t"
- "MOVSD $dst,$tmp" %}
- ins_encode %{
- __ movdbl($tmp$$XMMRegister, $mem$$Address);
- __ movdbl(Address(rsp, $dst$$disp), $tmp$$XMMRegister);
- %}
- ins_pipe( pipe_slow );
-%}
-
-instruct loadLX_reg_Locked(eRegL dst, memory mem, regD tmp) %{
- predicate(UseSSE>=2);
- match(Set dst (LoadLLocked mem));
- effect(TEMP tmp);
- ins_cost(160);
- format %{ "MOVSD $tmp,$mem\t# Atomic volatile long load\n\t"
- "MOVD $dst.lo,$tmp\n\t"
- "PSRLQ $tmp,32\n\t"
- "MOVD $dst.hi,$tmp" %}
- ins_encode %{
- __ movdbl($tmp$$XMMRegister, $mem$$Address);
- __ movdl($dst$$Register, $tmp$$XMMRegister);
- __ psrlq($tmp$$XMMRegister, 32);
- __ movdl(HIGH_FROM_LOW($dst$$Register), $tmp$$XMMRegister);
- %}
- ins_pipe( pipe_slow );
-%}
-
// Conditional-store of the updated heap-top.
// Used during allocation of the shared heap.
// Sets flags (EQ) on success. Implemented with a CMPXCHG on Intel.
diff -r 8f37087fc13f src/cpu/x86/vm/x86_64.ad
--- a/src/cpu/x86/vm/x86_64.ad Tue Jun 05 10:15:27 2012 +0200
+++ b/src/cpu/x86/vm/x86_64.ad Wed Jun 06 01:15:36 2012 +0800
@@ -7492,18 +7492,6 @@
ins_pipe(ialu_reg_mem); // XXX
%}
-// LoadL-locked - same as a regular LoadL when used with compare-swap
-instruct loadLLocked(rRegL dst, memory mem)
-%{
- match(Set dst (LoadLLocked mem));
-
- ins_cost(125); // XXX
- format %{ "movq $dst, $mem\t# long locked" %}
- opcode(0x8B);
- ins_encode(REX_reg_mem_wide(dst, mem), OpcP, reg_mem(dst, mem));
- ins_pipe(ialu_reg_mem); // XXX
-%}
-
// Conditional-store of the updated heap-top.
// Used during allocation of the shared heap.
// Sets flags (EQ) on success. Implemented with a CMPXCHG on Intel.
diff -r 8f37087fc13f src/share/vm/adlc/forms.cpp
--- a/src/share/vm/adlc/forms.cpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/adlc/forms.cpp Wed Jun 06 01:15:36 2012 +0800
@@ -261,7 +261,6 @@
if( strcmp(opType,"LoadL")==0 ) return Form::idealL;
if( strcmp(opType,"LoadL_unaligned")==0 ) return Form::idealL;
if( strcmp(opType,"LoadPLocked")==0 ) return Form::idealP;
- if( strcmp(opType,"LoadLLocked")==0 ) return Form::idealL;
if( strcmp(opType,"LoadP")==0 ) return Form::idealP;
if( strcmp(opType,"LoadN")==0 ) return Form::idealN;
if( strcmp(opType,"LoadRange")==0 ) return Form::idealI;
diff -r 8f37087fc13f src/share/vm/adlc/formssel.cpp
--- a/src/share/vm/adlc/formssel.cpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/adlc/formssel.cpp Wed Jun 06 01:15:36 2012 +0800
@@ -3387,7 +3387,7 @@
"Load4I" ,"Load2I" ,"Load2L" ,"Load2D" ,"Load4F" ,"Load2F" ,"Load16B" ,
"Load8B" ,"Load4B" ,"Load8C" ,"Load4C" ,"Load2C" ,"Load8S", "Load4S","Load2S",
"LoadRange", "LoadKlass", "LoadNKlass", "LoadL_unaligned", "LoadD_unaligned",
- "LoadPLocked", "LoadLLocked",
+ "LoadPLocked",
"StorePConditional", "StoreIConditional", "StoreLConditional",
"CompareAndSwapI", "CompareAndSwapL", "CompareAndSwapP", "CompareAndSwapN",
"StoreCM",
diff -r 8f37087fc13f src/share/vm/c1/c1_GraphBuilder.cpp
--- a/src/share/vm/c1/c1_GraphBuilder.cpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/c1/c1_GraphBuilder.cpp Wed Jun 06 01:15:36 2012 +0800
@@ -3195,13 +3195,6 @@
preserves_state = true;
break;
- // sun/misc/AtomicLong.attemptUpdate
- case vmIntrinsics::_attemptUpdate :
- if (!VM_Version::supports_cx8()) return false;
- if (!InlineAtomicLong) return false;
- preserves_state = true;
- break;
-
// Use special nodes for Unsafe instructions so we can more easily
// perform an address-mode optimization on the raw variants
case vmIntrinsics::_getObject : return append_unsafe_get_obj(callee, T_OBJECT, false);
diff -r 8f37087fc13f src/share/vm/c1/c1_LIRGenerator.cpp
--- a/src/share/vm/c1/c1_LIRGenerator.cpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/c1/c1_LIRGenerator.cpp Wed Jun 06 01:15:36 2012 +0800
@@ -3009,11 +3009,6 @@
do_CompareAndSwap(x, longType);
break;
- // sun.misc.AtomicLongCSImpl.attemptUpdate
- case vmIntrinsics::_attemptUpdate:
- do_AttemptUpdate(x);
- break;
-
case vmIntrinsics::_Reference_get:
do_Reference_get(x);
break;
diff -r 8f37087fc13f src/share/vm/c1/c1_LIRGenerator.hpp
--- a/src/share/vm/c1/c1_LIRGenerator.hpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/c1/c1_LIRGenerator.hpp Wed Jun 06 01:15:36 2012 +0800
@@ -244,7 +244,6 @@
void do_MathIntrinsic(Intrinsic* x);
void do_ArrayCopy(Intrinsic* x);
void do_CompareAndSwap(Intrinsic* x, ValueType* type);
- void do_AttemptUpdate(Intrinsic* x);
void do_NIOCheckIndex(Intrinsic* x);
void do_FPIntrinsics(Intrinsic* x);
void do_Reference_get(Intrinsic* x);
diff -r 8f37087fc13f src/share/vm/classfile/javaClasses.cpp
--- a/src/share/vm/classfile/javaClasses.cpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/classfile/javaClasses.cpp Wed Jun 06 01:15:36 2012 +0800
@@ -2919,7 +2919,6 @@
int java_lang_AssertionStatusDirectives::packageEnabled_offset;
int java_lang_AssertionStatusDirectives::deflt_offset;
int java_nio_Buffer::_limit_offset;
-int sun_misc_AtomicLongCSImpl::_value_offset;
int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0;
int sun_reflect_ConstantPool::_cp_oop_offset;
int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset;
@@ -2979,21 +2978,6 @@
compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature());
}
-// Support for intrinsification of sun.misc.AtomicLongCSImpl.attemptUpdate
-int sun_misc_AtomicLongCSImpl::value_offset() {
- assert(SystemDictionary::AtomicLongCSImpl_klass() != NULL, "can't call this");
- return _value_offset;
-}
-
-
-void sun_misc_AtomicLongCSImpl::compute_offsets() {
- klassOop k = SystemDictionary::AtomicLongCSImpl_klass();
- // If this class is not present, its value field offset won't be referenced.
- if (k != NULL) {
- compute_offset(_value_offset, k, vmSymbols::value_name(), vmSymbols::long_signature());
- }
-}
-
void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) {
if (_owner_offset != 0) return;
@@ -3098,7 +3082,6 @@
sun_reflect_ConstantPool::compute_offsets();
sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets();
}
- sun_misc_AtomicLongCSImpl::compute_offsets();
// generated interpreter code wants to know about the offsets we just computed:
AbstractAssembler::update_delayed_values();
diff -r 8f37087fc13f src/share/vm/classfile/javaClasses.hpp
--- a/src/share/vm/classfile/javaClasses.hpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/classfile/javaClasses.hpp Wed Jun 06 01:15:36 2012 +0800
@@ -1383,15 +1383,6 @@
static void compute_offsets();
};
-class sun_misc_AtomicLongCSImpl: AllStatic {
- private:
- static int _value_offset;
-
- public:
- static int value_offset();
- static void compute_offsets();
-};
-
class java_util_concurrent_locks_AbstractOwnableSynchronizer : AllStatic {
private:
static int _owner_offset;
diff -r 8f37087fc13f src/share/vm/classfile/systemDictionary.hpp
--- a/src/share/vm/classfile/systemDictionary.hpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/classfile/systemDictionary.hpp Wed Jun 06 01:15:36 2012 +0800
@@ -170,9 +170,6 @@
/* It's okay if this turns out to be NULL in non-1.4 JDKs. */ \
template(nio_Buffer_klass, java_nio_Buffer, Opt) \
\
- /* If this class isn't present, it won't be referenced. */ \
- template(AtomicLongCSImpl_klass, sun_misc_AtomicLongCSImpl, Opt) \
- \
template(DownloadManager_klass, sun_jkernel_DownloadManager, Opt_Kernel) \
\
template(PostVMInitHook_klass, sun_misc_PostVMInitHook, Opt) \
diff -r 8f37087fc13f src/share/vm/classfile/vmSymbols.hpp
--- a/src/share/vm/classfile/vmSymbols.hpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/classfile/vmSymbols.hpp Wed Jun 06 01:15:36 2012 +0800
@@ -722,15 +722,6 @@
/* java/lang/ref/Reference */ \
do_intrinsic(_Reference_get, java_lang_ref_Reference, get_name, void_object_signature, F_R) \
\
- \
- do_class(sun_misc_AtomicLongCSImpl, "sun/misc/AtomicLongCSImpl") \
- do_intrinsic(_get_AtomicLong, sun_misc_AtomicLongCSImpl, get_name, void_long_signature, F_R) \
- /* (symbols get_name and void_long_signature defined above) */ \
- \
- do_intrinsic(_attemptUpdate, sun_misc_AtomicLongCSImpl, attemptUpdate_name, attemptUpdate_signature, F_R) \
- do_name( attemptUpdate_name, "attemptUpdate") \
- do_signature(attemptUpdate_signature, "(JJ)Z") \
- \
/* support for sun.misc.Unsafe */ \
do_class(sun_misc_Unsafe, "sun/misc/Unsafe") \
\
diff -r 8f37087fc13f src/share/vm/opto/classes.hpp
--- a/src/share/vm/opto/classes.hpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/opto/classes.hpp Wed Jun 06 01:15:36 2012 +0800
@@ -147,7 +147,6 @@
macro(LoadL)
macro(LoadL_unaligned)
macro(LoadPLocked)
-macro(LoadLLocked)
macro(LoadP)
macro(LoadN)
macro(LoadRange)
diff -r 8f37087fc13f src/share/vm/opto/compile.cpp
--- a/src/share/vm/opto/compile.cpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/opto/compile.cpp Wed Jun 06 01:15:36 2012 +0800
@@ -2297,7 +2297,6 @@
case Op_LoadL:
case Op_LoadL_unaligned:
case Op_LoadPLocked:
- case Op_LoadLLocked:
case Op_LoadP:
case Op_LoadN:
case Op_LoadRange:
diff -r 8f37087fc13f src/share/vm/opto/library_call.cpp
--- a/src/share/vm/opto/library_call.cpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/opto/library_call.cpp Wed Jun 06 01:15:36 2012 +0800
@@ -192,8 +192,6 @@
void copy_to_clone(Node* obj, Node* alloc_obj, Node* obj_size, bool is_array, bool card_mark);
bool inline_native_clone(bool is_virtual);
bool inline_native_Reflection_getCallerClass();
- bool inline_native_AtomicLong_get();
- bool inline_native_AtomicLong_attemptUpdate();
bool is_method_invoke_or_aux_frame(JVMState* jvms);
// Helper function for inlining native object hash method
bool inline_native_hashcode(bool is_virtual, bool is_static);
@@ -331,11 +329,6 @@
// We do not intrinsify this. The optimizer does fine with it.
return NULL;
- case vmIntrinsics::_get_AtomicLong:
- case vmIntrinsics::_attemptUpdate:
- if (!InlineAtomicLong) return NULL;
- break;
-
case vmIntrinsics::_getCallerClass:
if (!UseNewReflection) return NULL;
if (!InlineReflectionGetCallerClass) return NULL;
@@ -711,11 +704,6 @@
case vmIntrinsics::_reverseBytes_c:
return inline_reverseBytes((vmIntrinsics::ID) intrinsic_id());
- case vmIntrinsics::_get_AtomicLong:
- return inline_native_AtomicLong_get();
- case vmIntrinsics::_attemptUpdate:
- return inline_native_AtomicLong_attemptUpdate();
-
case vmIntrinsics::_getCallerClass:
return inline_native_Reflection_getCallerClass();
@@ -4006,113 +3994,6 @@
return false;
}
-static int value_field_offset = -1; // offset of the "value" field of AtomicLongCSImpl. This is needed by
- // inline_native_AtomicLong_attemptUpdate() but it has no way of
- // computing it since there is no lookup field by name function in the
- // CI interface. This is computed and set by inline_native_AtomicLong_get().
- // Using a static variable here is safe even if we have multiple compilation
- // threads because the offset is constant. At worst the same offset will be
- // computed and stored multiple
-
-bool LibraryCallKit::inline_native_AtomicLong_get() {
- // Restore the stack and pop off the argument
- _sp+=1;
- Node *obj = pop();
-
- // get the offset of the "value" field. Since the CI interfaces
- // does not provide a way to look up a field by name, we scan the bytecodes
- // to get the field index. We expect the first 2 instructions of the method
- // to be:
- // 0 aload_0
- // 1 getfield "value"
- ciMethod* method = callee();
- if (value_field_offset == -1)
- {
- ciField* value_field;
- ciBytecodeStream iter(method);
- Bytecodes::Code bc = iter.next();
-
- if ((bc != Bytecodes::_aload_0) &&
- ((bc != Bytecodes::_aload) || (iter.get_index() != 0)))
- return false;
- bc = iter.next();
- if (bc != Bytecodes::_getfield)
- return false;
- bool ignore;
- value_field = iter.get_field(ignore);
- value_field_offset = value_field->offset_in_bytes();
- }
-
- // Null check without removing any arguments.
- _sp++;
- obj = do_null_check(obj, T_OBJECT);
- _sp--;
- // Check for locking null object
- if (stopped()) return true;
-
- Node *adr = basic_plus_adr(obj, obj, value_field_offset);
- const TypePtr *adr_type = _gvn.type(adr)->is_ptr();
- int alias_idx = C->get_alias_index(adr_type);
-
- Node *result = _gvn.transform(new (C, 3) LoadLLockedNode(control(), memory(alias_idx), adr));
-
- push_pair(result);
-
- return true;
-}
-
-bool LibraryCallKit::inline_native_AtomicLong_attemptUpdate() {
- // Restore the stack and pop off the arguments
- _sp+=5;
- Node *newVal = pop_pair();
- Node *oldVal = pop_pair();
- Node *obj = pop();
-
- // we need the offset of the "value" field which was computed when
- // inlining the get() method. Give up if we don't have it.
- if (value_field_offset == -1)
- return false;
-
- // Null check without removing any arguments.
- _sp+=5;
- obj = do_null_check(obj, T_OBJECT);
- _sp-=5;
- // Check for locking null object
- if (stopped()) return true;
-
- Node *adr = basic_plus_adr(obj, obj, value_field_offset);
- const TypePtr *adr_type = _gvn.type(adr)->is_ptr();
- int alias_idx = C->get_alias_index(adr_type);
-
- Node *cas = _gvn.transform(new (C, 5) StoreLConditionalNode(control(), memory(alias_idx), adr, newVal, oldVal));
- Node *store_proj = _gvn.transform( new (C, 1) SCMemProjNode(cas));
- set_memory(store_proj, alias_idx);
- Node *bol = _gvn.transform( new (C, 2) BoolNode( cas, BoolTest::eq ) );
-
- Node *result;
- // CMove node is not used to be able fold a possible check code
- // after attemptUpdate() call. This code could be transformed
- // into CMove node by loop optimizations.
- {
- RegionNode *r = new (C, 3) RegionNode(3);
- result = new (C, 3) PhiNode(r, TypeInt::BOOL);
-
- Node *iff = create_and_xform_if(control(), bol, PROB_FAIR, COUNT_UNKNOWN);
- Node *iftrue = opt_iff(r, iff);
- r->init_req(1, iftrue);
- result->init_req(1, intcon(1));
- result->init_req(2, intcon(0));
-
- set_control(_gvn.transform(r));
- record_for_igvn(r);
-
- C->set_has_split_ifs(true); // Has chance for split-if optimization
- }
-
- push(_gvn.transform(result));
- return true;
-}
-
bool LibraryCallKit::inline_fp_conversions(vmIntrinsics::ID id) {
// restore the arguments
_sp += arg_size();
diff -r 8f37087fc13f src/share/vm/opto/memnode.hpp
--- a/src/share/vm/opto/memnode.hpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/opto/memnode.hpp Wed Jun 06 01:15:36 2012 +0800
@@ -636,17 +636,6 @@
virtual bool depends_only_on_test() const { return true; }
};
-//------------------------------LoadLLockedNode---------------------------------
-// Load-locked a pointer from memory (either object or array).
-// On Sparc & Intel this is implemented as a normal long load.
-class LoadLLockedNode : public LoadLNode {
-public:
- LoadLLockedNode( Node *c, Node *mem, Node *adr )
- : LoadLNode(c,mem,adr,TypeRawPtr::BOTTOM, TypeLong::LONG) {}
- virtual int Opcode() const;
- virtual int store_Opcode() const { return Op_StoreLConditional; }
-};
-
//------------------------------SCMemProjNode---------------------------------------
// This class defines a projection of the memory state of a store conditional node.
// These nodes return a value, but also update memory.
diff -r 8f37087fc13f src/share/vm/prims/jvm.h
--- a/src/share/vm/prims/jvm.h Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/prims/jvm.h Wed Jun 06 01:15:36 2012 +0800
@@ -634,7 +634,7 @@
JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused);
/*
- * sun.misc.AtomicLong
+ * java.util.concurrent.atomic.AtomicLong
*/
JNIEXPORT jboolean JNICALL
JVM_SupportsCX8(void);
diff -r 8f37087fc13f src/share/vm/runtime/globals.hpp
--- a/src/share/vm/runtime/globals.hpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/runtime/globals.hpp Wed Jun 06 01:15:36 2012 +0800
@@ -631,9 +631,6 @@
develop(bool, InlineClassNatives, true, \
"inline Class.isInstance, etc") \
\
- develop(bool, InlineAtomicLong, true, \
- "inline sun.misc.AtomicLong") \
- \
develop(bool, InlineThreadNatives, true, \
"inline Thread.currentThread, etc") \
\
diff -r 8f37087fc13f src/share/vm/runtime/vmStructs.cpp
--- a/src/share/vm/runtime/vmStructs.cpp Tue Jun 05 10:15:27 2012 +0200
+++ b/src/share/vm/runtime/vmStructs.cpp Wed Jun 06 01:15:36 2012 +0800
@@ -1876,7 +1876,6 @@
declare_c2_type(StoreNNode, StoreNode) \
declare_c2_type(StoreCMNode, StoreNode) \
declare_c2_type(LoadPLockedNode, LoadPNode) \
- declare_c2_type(LoadLLockedNode, LoadLNode) \
declare_c2_type(SCMemProjNode, ProjNode) \
declare_c2_type(LoadStoreNode, Node) \
declare_c2_type(StorePConditionalNode, LoadStoreNode) \
diff -r 7def50698e78 src/share/javavm/export/jvm.h
--- a/src/share/javavm/export/jvm.h Thu May 24 16:15:58 2012 -0700
+++ b/src/share/javavm/export/jvm.h Wed Jun 06 01:15:50 2012 +0800
@@ -595,7 +595,7 @@
JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused);
/*
- * java.util.concurrent.AtomicLong
+ * java.util.concurrent.atomic.AtomicLong
*/
JNIEXPORT jboolean JNICALL
JVM_SupportsCX8(void);
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