--- a/hotspot/test/compiler/jvmci/code/sparc/SPARCTestAssembler.java Wed Jul 05 21:39:33 2017 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,288 +0,0 @@
-/*
- * Copyright (c) 2015, 2016, 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 compiler.jvmci.code.sparc;
-
-import jdk.vm.ci.code.CodeCacheProvider;
-import jdk.vm.ci.code.DebugInfo;
-import jdk.vm.ci.code.Register;
-import jdk.vm.ci.code.StackSlot;
-import jdk.vm.ci.code.site.ConstantReference;
-import jdk.vm.ci.code.site.DataSectionReference;
-import jdk.vm.ci.hotspot.HotSpotCallingConventionType;
-import jdk.vm.ci.hotspot.HotSpotCompiledCode;
-import jdk.vm.ci.hotspot.HotSpotConstant;
-import jdk.vm.ci.hotspot.HotSpotForeignCallTarget;
-import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
-import jdk.vm.ci.hotspot.HotSpotVMConfig;
-import jdk.vm.ci.meta.JavaKind;
-import jdk.vm.ci.meta.LIRKind;
-import jdk.vm.ci.meta.VMConstant;
-import jdk.vm.ci.sparc.SPARC;
-import jdk.vm.ci.sparc.SPARCKind;
-
-import compiler.jvmci.code.TestAssembler;
-
-public class SPARCTestAssembler extends TestAssembler {
-
- private static final int MASK13 = (1 << 13) - 1;
-
- public SPARCTestAssembler(CodeCacheProvider codeCache) {
- super(codeCache, 0, 16, SPARCKind.WORD, SPARC.l0, SPARC.l1, SPARC.l2, SPARC.l3, SPARC.l4, SPARC.l5, SPARC.l6, SPARC.l7);
- }
-
- private void emitOp2(Register rd, int op2, int imm22) {
- code.emitInt((0b00 << 30) | (rd.encoding << 25) | (op2 << 22) | imm22);
- }
-
- private void emitOp3(int op, Register rd, int op3, Register rs1, Register rs2) {
- code.emitInt((op << 30) | (rd.encoding << 25) | (op3 << 19) | (rs1.encoding << 14) | rs2.encoding);
- }
-
- private void emitOp3(int op, Register rd, int op3, Register rs1, int simm13) {
- code.emitInt((op << 30) | (rd.encoding << 25) | (op3 << 19) | (rs1.encoding << 14) | (1 << 13) | (simm13 & MASK13));
- }
-
- private void emitNop() {
- code.emitInt(1 << 24);
- }
-
- @Override
- public void emitPrologue() {
- emitOp3(0b10, SPARC.sp, 0b111100, SPARC.sp, -SPARC.REGISTER_SAFE_AREA_SIZE); // SAVE sp, -128, sp
- setDeoptRescueSlot(newStackSlot(LIRKind.value(SPARCKind.XWORD)));
- }
-
- @Override
- public void emitEpilogue() {
- HotSpotVMConfig config = HotSpotVMConfig.config();
- recordMark(config.MARKID_DEOPT_HANDLER_ENTRY);
- recordCall(new HotSpotForeignCallTarget(config.handleDeoptStub), 4, true, null);
- code.emitInt(1 << 30); // CALL
- }
-
- @Override
- public HotSpotCompiledCode finish(HotSpotResolvedJavaMethod method) {
- frameSize += SPARC.REGISTER_SAFE_AREA_SIZE;
- return super.finish(method);
- }
-
- @Override
- public void emitGrowStack(int size) {
- emitOp3(0b10, SPARC.sp, 0b000100, SPARC.sp, size); // SUB sp, size, sp
- }
-
- @Override
- public Register emitIntArg0() {
- return codeCache.getRegisterConfig().getCallingConventionRegisters(HotSpotCallingConventionType.JavaCallee, JavaKind.Int)[0];
- }
-
- @Override
- public Register emitIntArg1() {
- return codeCache.getRegisterConfig().getCallingConventionRegisters(HotSpotCallingConventionType.JavaCallee, JavaKind.Int)[1];
- }
-
- @Override
- public Register emitLoadInt(int c) {
- Register ret = newRegister();
- int hi = c >>> 10;
- int lo = c & ((1 << 10) - 1);
- if (hi == 0) {
- emitOp3(0b10, ret, 0b000010, SPARC.g0, lo); // OR g0, lo, ret
- } else {
- emitOp2(ret, 0b100, hi); // SETHI hi, ret
- if (lo != 0) {
- emitOp3(0b10, ret, 0b000010, ret, lo); // OR ret, lo, ret
- }
- }
- return ret;
- }
-
- @Override
- public Register emitLoadLong(long c) {
- if ((c & 0xFFFF_FFFFL) == c) {
- return emitLoadInt((int) c);
- } else {
- DataSectionReference ref = new DataSectionReference();
- data.align(8);
- ref.setOffset(data.position());
- data.emitLong(c);
- return emitLoadPointer(ref);
- }
- }
-
- private void emitPatchableSethi(Register ret, boolean wide) {
- int startPos = code.position();
- emitOp2(ret, 0b100, 0); // SETHI 0, ret
- if (wide) {
- // pad for later patching
- while (code.position() < (startPos + 28)) {
- emitNop();
- }
- }
- }
-
- @Override
- public Register emitLoadFloat(float c) {
- DataSectionReference ref = new DataSectionReference();
- data.align(4);
- ref.setOffset(data.position());
- data.emitFloat(c);
-
- Register ptr = newRegister();
- recordDataPatchInCode(ref);
- emitPatchableSethi(ptr, true);
- emitOp3(0b11, SPARC.f0, 0b100000, ptr, 0); // LDF [ptr+0], f0
- return SPARC.f0;
- }
-
- @Override
- public Register emitLoadPointer(HotSpotConstant c) {
- Register ret = newRegister();
- recordDataPatchInCode(new ConstantReference((VMConstant) c));
-
- emitPatchableSethi(ret, !c.isCompressed());
- emitOp3(0b10, ret, 0b000010, ret, 0); // OR ret, 0, ret
-
- return ret;
- }
-
- @Override
- public Register emitLoadPointer(DataSectionReference ref) {
- Register ret = newRegister();
- recordDataPatchInCode(ref);
- emitPatchableSethi(ret, true);
- emitOp3(0b11, ret, 0b001011, ret, 0); // LDX [ret+0], ret
- return ret;
- }
-
- @Override
- public Register emitLoadNarrowPointer(DataSectionReference ref) {
- Register ret = newRegister();
- recordDataPatchInCode(ref);
- emitPatchableSethi(ret, true);
- emitOp3(0b11, ret, 0b000000, ret, 0); // LDUW [ret+0], ret
- return ret;
- }
-
- @Override
- public Register emitLoadPointer(Register b, int offset) {
- Register ret = newRegister();
- emitOp3(0b11, ret, 0b001011, b, offset); // LDX [b+offset], ret
- return ret;
- }
-
- @Override
- public StackSlot emitIntToStack(Register a) {
- StackSlot ret = newStackSlot(LIRKind.value(SPARCKind.WORD));
- emitOp3(0b11, a, 0b000100, SPARC.fp, ret.getRawOffset() + SPARC.STACK_BIAS); // STW a, [fp+offset]
- return ret;
- }
-
- @Override
- public StackSlot emitLongToStack(Register a) {
- StackSlot ret = newStackSlot(LIRKind.value(SPARCKind.XWORD));
- emitOp3(0b11, a, 0b001110, SPARC.fp, ret.getRawOffset() + SPARC.STACK_BIAS); // STX a, [fp+offset]
- return ret;
- }
-
- @Override
- public StackSlot emitFloatToStack(Register a) {
- StackSlot ret = newStackSlot(LIRKind.value(SPARCKind.SINGLE));
- emitOp3(0b11, a, 0b100100, SPARC.fp, ret.getRawOffset() + SPARC.STACK_BIAS); // STF a, [fp+offset]
- return ret;
- }
-
- @Override
- public StackSlot emitPointerToStack(Register a) {
- StackSlot ret = newStackSlot(LIRKind.reference(SPARCKind.XWORD));
- emitOp3(0b11, a, 0b001110, SPARC.fp, ret.getRawOffset() + SPARC.STACK_BIAS); // STX a, [fp+offset]
- return ret;
- }
-
- @Override
- public StackSlot emitNarrowPointerToStack(Register a) {
- StackSlot ret = newStackSlot(LIRKind.reference(SPARCKind.WORD));
- emitOp3(0b11, a, 0b000100, SPARC.fp, ret.getRawOffset() + SPARC.STACK_BIAS); // STW a, [fp+offset]
- return ret;
- }
-
- @Override
- public Register emitUncompressPointer(Register compressed, long base, int shift) {
- Register ret;
- if (shift > 0) {
- ret = newRegister();
- emitOp3(0b10, ret, 0b100101, compressed, shift); // SLL compressed, shift, ret
- } else {
- ret = compressed;
- }
- if (base == 0) {
- return ret;
- } else {
- Register b = emitLoadLong(base);
- emitOp3(0b10, b, 0b00000, ret, b); // ADD b, ret, b
- return b;
- }
- }
-
- @Override
- public Register emitIntAdd(Register a, Register b) {
- Register ret = newRegister();
- emitOp3(0b10, ret, 0b00000, a, b); // ADD a, b, ret
- return ret;
- }
-
- private void emitMove(Register to, Register from) {
- if (to != from) {
- emitOp3(0b10, to, 0b000010, from, SPARC.g0); // OR from, g0, to
- }
- }
-
- @Override
- public void emitIntRet(Register a) {
- emitPointerRet(a);
- }
-
- @Override
- public void emitPointerRet(Register a) {
- emitMove(SPARC.i0, a);
- emitOp3(0b10, SPARC.g0, 0b111000, SPARC.i7, 8); // JMPL [i7+8], g0
- emitOp3(0b10, SPARC.g0, 0b111101, SPARC.g0, SPARC.g0); // RESTORE g0, g0, g0
- }
-
- @Override
- public void emitTrap(DebugInfo info) {
- recordImplicitException(info);
- emitOp3(0b11, SPARC.g0, 0b001011, SPARC.g0, 0); // LDX [g0+0], g0
- }
-
- @Override
- public DataSectionReference emitDataItem(HotSpotConstant c) {
- if (c.isCompressed()) {
- data.align(4);
- } else {
- data.align(8);
- }
- return super.emitDataItem(c);
- }
-}