Mercurial > hg > truffle
view graal/com.oracle.graal.compiler.sparc/src/com/oracle/graal/compiler/sparc/SPARCNodeLIRBuilder.java @ 21348:d24e4f349cbc
[SPARC] Implement load constant directly to stack
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
---|---|
date | Tue, 12 May 2015 20:55:48 +0200 |
parents | 79b036f0cf0b |
children | cba35d171cd1 |
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/* * Copyright (c) 2009, 2014, 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.compiler.sparc; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.compiler.gen.*; import com.oracle.graal.compiler.match.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.StandardOp.JumpOp; import com.oracle.graal.lir.gen.*; import com.oracle.graal.lir.sparc.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.calc.*; import com.oracle.graal.nodes.extended.*; /** * This class implements the SPARC specific portion of the LIR generator. */ public abstract class SPARCNodeLIRBuilder extends NodeLIRBuilder { public SPARCNodeLIRBuilder(StructuredGraph graph, LIRGeneratorTool lirGen) { super(graph, lirGen); } @Override protected boolean peephole(ValueNode valueNode) { // No peephole optimizations for now return false; } @Override public void visitBreakpointNode(BreakpointNode node) { JavaType[] sig = new JavaType[node.arguments().size()]; for (int i = 0; i < sig.length; i++) { sig[i] = node.arguments().get(i).stamp().javaType(gen.getMetaAccess()); } Value[] parameters = visitInvokeArguments(gen.getResult().getFrameMapBuilder().getRegisterConfig().getCallingConvention(CallingConvention.Type.JavaCall, null, sig, gen.target(), false), node.arguments()); append(new SPARCBreakpointOp(parameters)); } @Override protected JumpOp newJumpOp(LabelRef ref) { return new SPARCJumpOp(ref); } protected LIRFrameState getState(Access access) { if (access instanceof DeoptimizingNode) { return state((DeoptimizingNode) access); } return null; } private ComplexMatchResult emitSignExtendMemory(Access access, int fromBits, int toBits) { assert fromBits <= toBits && toBits <= 64; Kind toKind = null; Kind fromKind = null; if (fromBits == toBits) { return null; } else if (toBits > 32) { toKind = Kind.Long; } else if (toBits > 16) { toKind = Kind.Int; } else { toKind = Kind.Short; } switch (fromBits) { case 8: fromKind = Kind.Byte; break; case 16: fromKind = Kind.Short; break; case 32: fromKind = Kind.Int; break; default: throw GraalInternalError.unimplemented("unsupported sign extension (" + fromBits + " bit -> " + toBits + " bit)"); } Kind localFromKind = fromKind; Kind localToKind = toKind; return builder -> { Value address = access.accessLocation().generateAddress(builder, gen, operand(access.object())); Value v = getLIRGeneratorTool().emitSignExtendLoad(LIRKind.value(localFromKind), address, getState(access)); return getLIRGeneratorTool().emitReinterpret(LIRKind.value(localToKind), v); }; } @MatchRule("(SignExtend Read=access)") @MatchRule("(SignExtend FloatingRead=access)") public ComplexMatchResult signExtend(SignExtendNode root, Access access) { return emitSignExtendMemory(access, root.getInputBits(), root.getResultBits()); } @Override public SPARCLIRGenerator getLIRGeneratorTool() { return (SPARCLIRGenerator) super.getLIRGeneratorTool(); } }