Mercurial > hg > truffle
diff graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/risc/sparc/ControlTransfer.java @ 3733:e233f5660da4
Added Java files from Maxine project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 19:59:18 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/risc/sparc/ControlTransfer.java Sat Dec 17 19:59:18 2011 +0100 @@ -0,0 +1,169 @@ +/* + * Copyright (c) 2007, 2011, 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.sun.max.asm.gen.risc.sparc; + +import static com.sun.max.asm.gen.risc.sparc.SPARCFields.*; +import static com.sun.max.asm.sparc.AnnulBit.*; +import static com.sun.max.asm.sparc.BranchPredictionBit.*; + +import com.sun.max.asm.gen.risc.*; +import com.sun.max.asm.sparc.*; + +/** + */ +class ControlTransfer extends SPARCInstructionDescriptionCreator { + + private void createBPr(String prefix, Object... objects) { + for (BPr condition : BPr.SYMBOLIZER) { + define(prefix + condition.name().toLowerCase(), objects, rcond_27_25(condition)); + } + } + + private void create_A3() { + createBPr("br", op(0x0), a, p, bits_28_28(0), bits_24_22(0x3), rs1, d16); + createBPr("br", op(0x0), a(NO_A), p(PT), bits_28_28(0), bits_24_22(0x3), rs1, d16); + define("br", op(0x0), rcond_27_25, a, p, bits_28_28(0), bits_24_22(0x3), rs1, d16); + } + + private void createFBfcc(String prefix, Object... objects) { + for (FBfcc condition : FBfcc.SYMBOLIZER) { + define(prefix + condition.name().toLowerCase(), objects, fcond_28_25(condition)); + } + } + + private void create_A4() { + if (assembly().generatingDeprecatedInstructions()) { + createFBfcc("fb", op(0x0), a, bits_24_22(0x6), disp22); + createFBfcc("fb", op(0x0), a(NO_A), bits_24_22(0x6), disp22); + define("fb", op(0x0), fcond_28_25, a, bits_24_22(0x6), disp22); + } + } + + private void create_A5() { + if (assembly().generatingV9Instructions()) { + createFBfcc("fb", op(0x0), a, p, bits_24_22(0x5), fcc_21_20, disp19); + createFBfcc("fb", op(0x0), a(NO_A), p(PT), bits_24_22(0x5), fcc_21_20, disp19); + define("fb", op(0x0), fcond_28_25, a, p, bits_24_22(0x5), fcc_21_20, disp19); + } + } + + private void createBicc(String prefix, Object... objects) { + for (Bicc condition : Bicc.SYMBOLIZER) { + define(prefix + condition.name().toLowerCase(), objects, icond_28_25(condition)); + } + } + + private void create_A6() { + if (assembly().generatingDeprecatedInstructions()) { + createBicc("b", op(0x0), a, bits_24_22(0x2), disp22); + createBicc("b", op(0x0), a(NO_A), bits_24_22(0x2), disp22); + define("b", op(0x0), icond_28_25, a, bits_24_22(0x2), disp22); + } + } + + private void create_A7() { + if (assembly().generatingV9Instructions()) { + createBicc("b", op(0x0), a, p, bits_24_22(0x1), cc, disp19); + createBicc("b", op(0x0), a(NO_A), p(PT), bits_24_22(0x1), cc, disp19); + define("b", op(0x0), icond_28_25, a, p, bits_24_22(0x1), cc, disp19); + } + } + + private void create_A8() { + define("call", op(0x1), disp30); + } + + private void create_A11() { + define("done", op(0x2), op3(0x3e), res_18_0, fcnc(0)); + define("retry", op(0x2), op3(0x3e), res_18_0, fcnc(1)); + } + + private void create_A22() { + define("illtrap", op(0x0), res_29_25, op2(0x0), const22); + } + + private void create_A24() { + define("jmpl", op(0x2), op3(0x38), rs1, " + ", i(0), res_12_5, rs2, rd); + define("jmpl", op(0x2), op3(0x38), rs1, " + ", i(1), simm13, rd); + } + + private void create_A45() { + final Object[] head = {op(0x2), res_29_25, op3(0x39), rs1, " + "}; + + // should be called "return", but that's a Java keyword + define("return_", head, i(0), res_12_5, rs2).setExternalName("return"); + define("return_", head, i(1), simm13).setExternalName("return"); + } + + private void create_A50() { + define("sir", op(0x2), rd(15), op3(0x30), bits_18_14(0), i(1), simm13); + } + + private void create_A61() { + final Object[] head = {op(0x2), res_29_29, op3(0x3a), tcc, rs1, " + "}; + createBicc("t", head, i(0), res_10_5, rs2); + createBicc("t", head, i(1), res_10_7, swTrapNumber); + } + + ControlTransfer(RiscTemplateCreator templateCreator) { + super(templateCreator); + + setCurrentArchitectureManualSection("A.3"); + create_A3(); + + setCurrentArchitectureManualSection("A.4"); + create_A4(); + + setCurrentArchitectureManualSection("A.5"); + create_A5(); + + setCurrentArchitectureManualSection("A.6"); + create_A6(); + + setCurrentArchitectureManualSection("A.7"); + create_A7(); + + setCurrentArchitectureManualSection("A.8"); + create_A8(); + + setCurrentArchitectureManualSection("A.11"); + create_A11(); + + setCurrentArchitectureManualSection("A.22"); + create_A22(); + + setCurrentArchitectureManualSection("A.24"); + create_A24(); + + setCurrentArchitectureManualSection("A.45"); + create_A45(); + + setCurrentArchitectureManualSection("A.50"); + create_A50(); + + setCurrentArchitectureManualSection("A.61"); + create_A61(); + + setCurrentArchitectureManualSection(null); + } +}