Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.truffle.hotspot.sparc/src/com/oracle/graal/truffle/hotspot/sparc/SPARCOptimizedCallTargetInstumentationFactory.java @ 19675:413ac504d74e
[SPARC] Simplify branch instructions (No more object allocations), Tidy up SPARCControlFlow and SPARCAssembler
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
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date | Fri, 27 Feb 2015 09:18:23 +0100 |
parents | 8ac074d3e7c0 |
children | 7d3afd4356a2 |
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/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.truffle.hotspot.sparc; import static com.oracle.graal.asm.sparc.SPARCAssembler.Annul.*; import static com.oracle.graal.asm.sparc.SPARCAssembler.BranchPredict.*; import static com.oracle.graal.asm.sparc.SPARCAssembler.CC.*; import static com.oracle.graal.asm.sparc.SPARCAssembler.ConditionFlag.*; import com.oracle.graal.api.code.CallingConvention.Type; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.api.runtime.*; import com.oracle.graal.asm.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.asm.sparc.SPARCAssembler.*; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Cmp; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Jmp; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Nop; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.lir.framemap.*; import com.oracle.graal.sparc.SPARC.CPUFeature; import com.oracle.graal.sparc.*; import com.oracle.graal.truffle.*; import com.oracle.graal.truffle.hotspot.*; @ServiceProvider(OptimizedCallTargetInstrumentationFactory.class) public class SPARCOptimizedCallTargetInstumentationFactory implements OptimizedCallTargetInstrumentationFactory { public CompilationResultBuilder createBuilder(CodeCacheProvider codeCache, ForeignCallsProvider foreignCalls, FrameMap frameMap, Assembler asm, FrameContext frameContext, CompilationResult compilationResult) { return new OptimizedCallTargetInstrumentation(codeCache, foreignCalls, frameMap, asm, frameContext, compilationResult) { @Override protected void injectTailCallCode(HotSpotVMConfig config, HotSpotRegistersProvider registers) { @SuppressWarnings("hiding") SPARCMacroAssembler asm = (SPARCMacroAssembler) this.asm; try (SPARCScratchRegister scratch = SPARCScratchRegister.get()) { Register thisRegister = codeCache.getRegisterConfig().getCallingConventionRegisters(Type.JavaCall, Kind.Object)[0]; Register spillRegister = scratch.getRegister(); Label doProlog = new Label(); SPARCAddress codeBlobAddress = new SPARCAddress(thisRegister, getFieldOffset("address", InstalledCode.class)); SPARCAddress verifiedEntryPointAddress = new SPARCAddress(spillRegister, config.nmethodEntryOffset); new Ldx(codeBlobAddress, spillRegister).emit(asm); if (asm.hasFeature(CPUFeature.CBCOND)) { new CBcondx(ConditionFlag.Equal, spillRegister, 0, doProlog).emit(asm); } else { new Cmp(spillRegister, 0).emit(asm); asm.bpcc(Equal, NOT_ANNUL, doProlog, Xcc, PREDICT_NOT_TAKEN); new Nop().emit(asm); } new Ldx(verifiedEntryPointAddress, spillRegister).emit(asm); // in delay slot new Jmp(spillRegister).emit(asm); new Nop().emit(asm); asm.bind(doProlog); } } }; } public void setInstrumentedMethod(ResolvedJavaMethod method) { HotSpotResolvedJavaMethod hsMethod = (HotSpotResolvedJavaMethod) method; hsMethod.setNotInlineable(); } public String getArchitecture() { return "SPARC"; } }