Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotPatchReturnAddressOp.java @ 20843:a74c785068e0
converted @MethodSubstitutions for jString.equals to MethodSubstitutionPlugins
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 08 Apr 2015 11:24:16 +0200 |
parents | 96ab2078eeaf |
children | 48c1ebd24120 |
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/* * Copyright (c) 2012, 2015, 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.hotspot.sparc; import static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import static com.oracle.graal.sparc.SPARC.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.lir.sparc.*; /** * Patch the return address of the current frame. */ @Opcode("PATCH_RETURN") final class SPARCHotSpotPatchReturnAddressOp extends SPARCLIRInstruction { public static final LIRInstructionClass<SPARCHotSpotPatchReturnAddressOp> TYPE = LIRInstructionClass.create(SPARCHotSpotPatchReturnAddressOp.class); @Use(REG) AllocatableValue address; SPARCHotSpotPatchReturnAddressOp(AllocatableValue address) { super(TYPE); this.address = address; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { Register addrRegister = asLongReg(address); masm.sub(addrRegister, SPARCAssembler.PC_RETURN_OFFSET, i7); } }