diff options
| author | coleenp <none@none> | 2011-12-06 18:28:51 -0500 |
|---|---|---|
| committer | coleenp <none@none> | 2011-12-06 18:28:51 -0500 |
| commit | 8b82357933d21c5d75cd2b33585307a71e5a7eb9 (patch) | |
| tree | 184c8461ff7f2a2e0e7f2f6c69c8356fba1431f5 /src/share/vm/opto/library_call.cpp | |
| parent | da3434a563a3a25706cd9763ebf7ac6ecbe4e305 (diff) | |
7117052: instanceKlass::_init_state can be u1 type
Summary: Change instanceKlass::_init_state field to u1 type.
Reviewed-by: bdelsart, coleenp, dholmes, phh, never
Contributed-by: Jiangli Zhou <jiangli.zhou@oracle.com>
Diffstat (limited to 'src/share/vm/opto/library_call.cpp')
| -rw-r--r-- | src/share/vm/opto/library_call.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/share/vm/opto/library_call.cpp b/src/share/vm/opto/library_call.cpp index d5ad00e16..7d4bb881a 100644 --- a/src/share/vm/opto/library_call.cpp +++ b/src/share/vm/opto/library_call.cpp @@ -2807,7 +2807,9 @@ bool LibraryCallKit::inline_unsafe_allocate() { // Serializable.class or Object[].class. The runtime will handle it. // But we must make an explicit check for initialization. Node* insp = basic_plus_adr(kls, instanceKlass::init_state_offset_in_bytes() + sizeof(oopDesc)); - Node* inst = make_load(NULL, insp, TypeInt::INT, T_INT); + // Use T_BOOLEAN for instanceKlass::_init_state so the compiler + // can generate code to load it as unsigned byte. + Node* inst = make_load(NULL, insp, TypeInt::UBYTE, T_BOOLEAN); Node* bits = intcon(instanceKlass::fully_initialized); Node* test = _gvn.transform( new (C, 3) SubINode(inst, bits) ); // The 'test' is non-zero if we need to take a slow path. |