SPARCOP3Op.java revision 12968:4d8a004e5c6d 
1/*
2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package org.graalvm.compiler.lir.sparc;
24
25import static org.graalvm.compiler.asm.sparc.SPARCAssembler.isSimm13;
26import static org.graalvm.compiler.debug.GraalError.shouldNotReachHere;
27import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.CONST;
28import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
29import static org.graalvm.compiler.lir.LIRValueUtil.asJavaConstant;
30import static org.graalvm.compiler.lir.LIRValueUtil.isJavaConstant;
31import static jdk.vm.ci.code.ValueUtil.asRegister;
32import static jdk.vm.ci.code.ValueUtil.isRegister;
33import static jdk.vm.ci.sparc.SPARC.g0;
34
35import org.graalvm.compiler.asm.sparc.SPARCAssembler;
36import org.graalvm.compiler.asm.sparc.SPARCAssembler.Op3s;
37import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
38import org.graalvm.compiler.core.common.LIRKind;
39import org.graalvm.compiler.lir.LIRFrameState;
40import org.graalvm.compiler.lir.LIRInstructionClass;
41import org.graalvm.compiler.lir.Opcode;
42import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
43
44import jdk.vm.ci.meta.AllocatableValue;
45import jdk.vm.ci.meta.JavaConstant;
46import jdk.vm.ci.meta.Value;
47
48public final class SPARCOP3Op extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction {
49    public static final LIRInstructionClass<SPARCOP3Op> TYPE = LIRInstructionClass.create(SPARCOP3Op.class);
50    public static final SizeEstimate SIZE = SizeEstimate.create(1);
51
52    @Opcode private final Op3s op3;
53    @Use({REG}) protected AllocatableValue rs1;
54    @Use({REG, CONST}) protected Value rs2;
55    @Def({REG}) protected AllocatableValue rd;
56    @State protected LIRFrameState state;
57
58    public static SPARCOP3Op newUnary(Op3s op3, Value rs2, AllocatableValue rd) {
59        return newUnary(op3, rs2, rd, null);
60    }
61
62    public static SPARCOP3Op newUnary(Op3s op3, Value rs2, AllocatableValue rd, LIRFrameState state) {
63        return new SPARCOP3Op(op3, g0.asValue(LIRKind.value(rs2.getPlatformKind())), rs2, rd, state);
64    }
65
66    public static SPARCOP3Op newBinaryVoid(Op3s op3, AllocatableValue rs1, Value rs2) {
67        return newBinaryVoid(op3, rs1, rs2, null);
68    }
69
70    public static SPARCOP3Op newBinaryVoid(Op3s op3, AllocatableValue rs1, Value rs2, LIRFrameState state) {
71        return new SPARCOP3Op(op3, rs1, rs2, g0.asValue(LIRKind.value(rs2.getPlatformKind())), state);
72    }
73
74    public SPARCOP3Op(Op3s op3, AllocatableValue rs1, Value rs2, AllocatableValue rd) {
75        this(op3, rs1, rs2, rd, null);
76    }
77
78    public SPARCOP3Op(Op3s op3, AllocatableValue rs1, Value rs2, AllocatableValue rd, LIRFrameState state) {
79        super(TYPE, SIZE);
80        this.op3 = op3;
81        this.rs1 = rs1;
82        this.rs2 = rs2;
83        this.rd = rd;
84        this.state = state;
85    }
86
87    @Override
88    protected void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
89        getDelayedControlTransfer().emitControlTransfer(crb, masm);
90        if (state != null) {
91            crb.recordImplicitException(masm.position(), state);
92        }
93        emitOp3(masm, op3, rs1, rs2, rd);
94    }
95
96    public static void emitOp3(SPARCMacroAssembler masm, Op3s op3, Value rs1, Value rs2) {
97        emitOp3(masm, op3, rs1, rs2, g0.asValue(LIRKind.value(rs2.getPlatformKind())));
98    }
99
100    public static void emitOp3(SPARCMacroAssembler masm, Op3s op3, Value rs1, Value rs2, Value rd) {
101        assert isRegister(rs1) : rs1;
102        if (isJavaConstant(rs2)) {
103            JavaConstant constant = asJavaConstant(rs2);
104            long simm13;
105            if (constant.isNull()) {
106                simm13 = 0;
107            } else {
108                // Cast is safe, as isSimm13 assertion is done
109                simm13 = constant.asLong();
110            }
111            assert isSimm13(constant);
112            SPARCAssembler.Op3Op.emit(masm, op3, asRegister(rs1), (int) simm13, asRegister(rd));
113        } else if (isRegister(rs2)) {
114            SPARCAssembler.Op3Op.emit(masm, op3, asRegister(rs1), asRegister(rs2), asRegister(rd));
115        } else {
116            throw shouldNotReachHere(String.format("Got values a: %s b: %s", rs1, rs2));
117        }
118    }
119}
120