Mercurial > hg > truffle
view graal/com.oracle.graal.lir.ptx/src/com/oracle/graal/lir/ptx/PTXParameterOp.java @ 11485:49bb1bc983c6
Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
author | bharadwaj |
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date | Fri, 30 Aug 2013 16:39:05 -0400 |
parents | |
children | c99e65785936 |
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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.lir.ptx; import static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.ptx.*; import com.oracle.graal.graph.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; public class PTXParameterOp extends LIRInstruction { @Def({REG}) protected Value[] params; public PTXParameterOp(Value[] params) { this.params = params; } @Override public void emitCode(TargetMethodAssembler tasm) { PTXAssembler ptxasm = (PTXAssembler) tasm.asm; // Emit parameter directives for arguments int argCount = params.length; for (int i = 0; i < argCount; i++) { Kind paramKind = params[i].getKind(); switch (paramKind) { case Int : ptxasm.param_32_decl(asIntReg(params[i]), (i == (argCount - 1))); break; case Long : ptxasm.param_64_decl(asLongReg(params[i]), (i == (argCount - 1))); break; case Float : ptxasm.param_32_decl(asFloatReg(params[i]), (i == (argCount - 1))); break; case Double : ptxasm.param_64_decl(asDoubleReg(params[i]), (i == (argCount - 1))); break; default : throw GraalInternalError.shouldNotReachHere("unhandled parameter type " + paramKind.toString()); } } } }