/*
* 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
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*/
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);
}
}