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path: root/src/share/vm/c1/c1_GraphBuilder.cpp
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Diffstat (limited to 'src/share/vm/c1/c1_GraphBuilder.cpp')
-rw-r--r--src/share/vm/c1/c1_GraphBuilder.cpp51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/share/vm/c1/c1_GraphBuilder.cpp b/src/share/vm/c1/c1_GraphBuilder.cpp
index 636fed2f2..95d99025b 100644
--- a/src/share/vm/c1/c1_GraphBuilder.cpp
+++ b/src/share/vm/c1/c1_GraphBuilder.cpp
@@ -3383,6 +3383,41 @@ bool GraphBuilder::try_inline_intrinsics(ciMethod* callee) {
append_unsafe_CAS(callee);
return true;
+ case vmIntrinsics::_getAndAddInt:
+ if (!VM_Version::supports_atomic_getadd4()) {
+ return false;
+ }
+ return append_unsafe_get_and_set_obj(callee, true);
+ case vmIntrinsics::_getAndAddLong:
+ if (!VM_Version::supports_atomic_getadd8()) {
+ return false;
+ }
+ return append_unsafe_get_and_set_obj(callee, true);
+ case vmIntrinsics::_getAndSetInt:
+ if (!VM_Version::supports_atomic_getset4()) {
+ return false;
+ }
+ return append_unsafe_get_and_set_obj(callee, false);
+ case vmIntrinsics::_getAndSetLong:
+ if (!VM_Version::supports_atomic_getset8()) {
+ return false;
+ }
+ return append_unsafe_get_and_set_obj(callee, false);
+ case vmIntrinsics::_getAndSetObject:
+#ifdef _LP64
+ if (!UseCompressedOops && !VM_Version::supports_atomic_getset8()) {
+ return false;
+ }
+ if (UseCompressedOops && !VM_Version::supports_atomic_getset4()) {
+ return false;
+ }
+#else
+ if (!VM_Version::supports_atomic_getset4()) {
+ return false;
+ }
+#endif
+ return append_unsafe_get_and_set_obj(callee, false);
+
case vmIntrinsics::_Reference_get:
// Use the intrinsic version of Reference.get() so that the value in
// the referent field can be registered by the G1 pre-barrier code.
@@ -4106,6 +4141,22 @@ void GraphBuilder::print_inlining(ciMethod* callee, const char* msg, bool succes
}
}
+bool GraphBuilder::append_unsafe_get_and_set_obj(ciMethod* callee, bool is_add) {
+ if (InlineUnsafeOps) {
+ Values* args = state()->pop_arguments(callee->arg_size());
+ BasicType t = callee->return_type()->basic_type();
+ null_check(args->at(0));
+ Instruction* offset = args->at(2);
+#ifndef _LP64
+ offset = append(new Convert(Bytecodes::_l2i, offset, as_ValueType(T_INT)));
+#endif
+ Instruction* op = append(new UnsafeGetAndSetObject(t, args->at(1), offset, args->at(3), is_add));
+ compilation()->set_has_unsafe_access(true);
+ kill_all();
+ push(op->type(), op);
+ }
+ return InlineUnsafeOps;
+}
#ifndef PRODUCT
void GraphBuilder::print_stats() {