src/share/vm/c1/c1_Compiler.cpp
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src/share/vm/c1/c1_Compiler.cpp

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*** 97,106 **** --- 97,260 ---- } return buffer_blob; } + bool Compiler::is_intrinsic_supported(methodHandle method) { + vmIntrinsics::ID id = method->intrinsic_id(); + assert(id != vmIntrinsics::_none, "must be a VM intrinsic"); + + if (method->is_synchronized()) { + // C1 does not support intrinsification of synchronized methods. + return false; + } + + switch (id) { + case vmIntrinsics::_compareAndSwapLong: + if (!VM_Version::supports_cx8()) return false; + break; + case vmIntrinsics::_getAndAddInt: + if (!VM_Version::supports_atomic_getadd4()) return false; + break; + case vmIntrinsics::_getAndAddLong: + if (!VM_Version::supports_atomic_getadd8()) return false; + break; + case vmIntrinsics::_getAndSetInt: + if (!VM_Version::supports_atomic_getset4()) return false; + break; + case vmIntrinsics::_getAndSetLong: + if (!VM_Version::supports_atomic_getset8()) return false; + break; + 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 + break; + case vmIntrinsics::_arraycopy: + case vmIntrinsics::_currentTimeMillis: + case vmIntrinsics::_nanoTime: + 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. + // Also to prevent commoning reads from this field across safepoint + // since GC can change its value. + case vmIntrinsics::_loadFence: + case vmIntrinsics::_storeFence: + case vmIntrinsics::_fullFence: + case vmIntrinsics::_floatToRawIntBits: + case vmIntrinsics::_intBitsToFloat: + case vmIntrinsics::_doubleToRawLongBits: + case vmIntrinsics::_longBitsToDouble: + case vmIntrinsics::_getClass: + case vmIntrinsics::_isInstance: + case vmIntrinsics::_currentThread: + case vmIntrinsics::_dabs: + case vmIntrinsics::_dsqrt: + case vmIntrinsics::_dsin: + case vmIntrinsics::_dcos: + case vmIntrinsics::_dtan: + case vmIntrinsics::_dlog: + case vmIntrinsics::_dlog10: + case vmIntrinsics::_dexp: + case vmIntrinsics::_dpow: + case vmIntrinsics::_getObject: + case vmIntrinsics::_getBoolean: + case vmIntrinsics::_getByte: + case vmIntrinsics::_getShort: + case vmIntrinsics::_getChar: + case vmIntrinsics::_getInt: + case vmIntrinsics::_getLong: + case vmIntrinsics::_getFloat: + case vmIntrinsics::_getDouble: + case vmIntrinsics::_putObject: + case vmIntrinsics::_putBoolean: + case vmIntrinsics::_putByte: + case vmIntrinsics::_putShort: + case vmIntrinsics::_putChar: + case vmIntrinsics::_putInt: + case vmIntrinsics::_putLong: + case vmIntrinsics::_putFloat: + case vmIntrinsics::_putDouble: + case vmIntrinsics::_getObjectVolatile: + case vmIntrinsics::_getBooleanVolatile: + case vmIntrinsics::_getByteVolatile: + case vmIntrinsics::_getShortVolatile: + case vmIntrinsics::_getCharVolatile: + case vmIntrinsics::_getIntVolatile: + case vmIntrinsics::_getLongVolatile: + case vmIntrinsics::_getFloatVolatile: + case vmIntrinsics::_getDoubleVolatile: + case vmIntrinsics::_putObjectVolatile: + case vmIntrinsics::_putBooleanVolatile: + case vmIntrinsics::_putByteVolatile: + case vmIntrinsics::_putShortVolatile: + case vmIntrinsics::_putCharVolatile: + case vmIntrinsics::_putIntVolatile: + case vmIntrinsics::_putLongVolatile: + case vmIntrinsics::_putFloatVolatile: + case vmIntrinsics::_putDoubleVolatile: + case vmIntrinsics::_getByte_raw: + case vmIntrinsics::_getShort_raw: + case vmIntrinsics::_getChar_raw: + case vmIntrinsics::_getInt_raw: + case vmIntrinsics::_getLong_raw: + case vmIntrinsics::_getFloat_raw: + case vmIntrinsics::_getDouble_raw: + case vmIntrinsics::_putByte_raw: + case vmIntrinsics::_putShort_raw: + case vmIntrinsics::_putChar_raw: + case vmIntrinsics::_putInt_raw: + case vmIntrinsics::_putLong_raw: + case vmIntrinsics::_putFloat_raw: + case vmIntrinsics::_putDouble_raw: + case vmIntrinsics::_putOrderedObject: + case vmIntrinsics::_putOrderedInt: + case vmIntrinsics::_putOrderedLong: + case vmIntrinsics::_getShortUnaligned: + case vmIntrinsics::_getCharUnaligned: + case vmIntrinsics::_getIntUnaligned: + case vmIntrinsics::_getLongUnaligned: + case vmIntrinsics::_putShortUnaligned: + case vmIntrinsics::_putCharUnaligned: + case vmIntrinsics::_putIntUnaligned: + case vmIntrinsics::_putLongUnaligned: + case vmIntrinsics::_checkIndex: + case vmIntrinsics::_updateCRC32: + case vmIntrinsics::_updateBytesCRC32: + case vmIntrinsics::_updateByteBufferCRC32: + case vmIntrinsics::_compareAndSwapInt: + case vmIntrinsics::_compareAndSwapObject: + #ifdef TRACE_HAVE_INTRINSICS + case vmIntrinsics::_classID: + case vmIntrinsics::_threadID: + case vmIntrinsics::_counterTime: + #endif + break; + default: + return false; // Intrinsics not on the previous list are not available. + } + + return true; + } + + bool Compiler::is_intrinsic_disabled_by_flag(methodHandle method) { + vmIntrinsics::ID id = method->intrinsic_id(); + assert(id != vmIntrinsics::_none, "must be a VM intrinsic"); + + if (!InlineNatives && id != vmIntrinsics::_Reference_get) { + return true; + } + + if (!InlineClassNatives && id == vmIntrinsics::_getClass) { + return true; + } + + return false; + } void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) { BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob(); assert(buffer_blob != NULL, "Must exist"); // invoke compilation
*** 115,119 **** --- 269,279 ---- void Compiler::print_timers() { Compilation::print_timers(); } + + bool Compiler::is_intrinsic_available(methodHandle method) { + return is_intrinsic_supported(method) && + !vmIntrinsics::is_disabled_by_flags(method->intrinsic_id()) && + !is_intrinsic_disabled_by_flag(method); + }
src/share/vm/c1/c1_Compiler.cpp
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