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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotMove.java
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@@ -22,24 +22,25 @@
*/
package org.graalvm.compiler.hotspot.sparc;
+import static jdk.vm.ci.code.ValueUtil.asRegister;
import static org.graalvm.compiler.asm.sparc.SPARCAssembler.BPR;
import static org.graalvm.compiler.asm.sparc.SPARCAssembler.Annul.ANNUL;
+import static org.graalvm.compiler.asm.sparc.SPARCAssembler.Annul.NOT_ANNUL;
+import static org.graalvm.compiler.asm.sparc.SPARCAssembler.BranchPredict.PREDICT_NOT_TAKEN;
import static org.graalvm.compiler.asm.sparc.SPARCAssembler.BranchPredict.PREDICT_TAKEN;
+import static org.graalvm.compiler.asm.sparc.SPARCAssembler.RCondition.Rc_nz;
import static org.graalvm.compiler.asm.sparc.SPARCAssembler.RCondition.Rc_z;
import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.ILLEGAL;
import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.STACK;
import static org.graalvm.compiler.lir.sparc.SPARCMove.loadFromConstantTable;
-import static jdk.vm.ci.code.ValueUtil.asRegister;
import org.graalvm.compiler.asm.Label;
import org.graalvm.compiler.asm.sparc.SPARCAddress;
-import org.graalvm.compiler.asm.sparc.SPARCAssembler.CC;
-import org.graalvm.compiler.asm.sparc.SPARCAssembler.ConditionFlag;
import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler.ScratchRegister;
import org.graalvm.compiler.core.common.CompressEncoding;
import org.graalvm.compiler.lir.LIRInstructionClass;
import org.graalvm.compiler.lir.StandardOp.LoadConstantOp;
@@ -51,10 +52,11 @@
import jdk.vm.ci.code.Register;
import jdk.vm.ci.code.ValueUtil;
import jdk.vm.ci.hotspot.HotSpotConstant;
import jdk.vm.ci.meta.AllocatableValue;
import jdk.vm.ci.meta.Constant;
+import jdk.vm.ci.sparc.SPARC;
public class SPARCHotSpotMove {
public static class LoadHotSpotObjectConstantInline extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction, LoadConstantOp {
public static final LIRInstructionClass<LoadHotSpotObjectConstantInline> TYPE = LIRInstructionClass.create(LoadHotSpotObjectConstantInline.class);
@@ -148,21 +150,37 @@
Register inputRegister = asRegister(input);
Register resReg = asRegister(result);
if (encoding.hasBase()) {
Register baseReg = asRegister(baseRegister);
if (!nonNull) {
- masm.cmp(inputRegister, baseReg);
- masm.movcc(ConditionFlag.Equal, CC.Xcc, baseReg, resReg);
- masm.sub(resReg, baseReg, resReg);
+ Label done = new Label();
+ if (inputRegister.equals(resReg)) {
+ BPR.emit(masm, Rc_nz, ANNUL, PREDICT_TAKEN, inputRegister, done);
+ masm.sub(inputRegister, baseReg, resReg);
+ masm.bind(done);
+ if (encoding.getShift() != 0) {
+ masm.srlx(resReg, encoding.getShift(), resReg);
+ }
+ } else {
+ BPR.emit(masm, Rc_z, NOT_ANNUL, PREDICT_NOT_TAKEN, inputRegister, done);
+ masm.mov(SPARC.g0, resReg);
+ masm.sub(inputRegister, baseReg, resReg);
+ if (encoding.getShift() != 0) {
+ masm.srlx(resReg, encoding.getShift(), resReg);
+ }
+ masm.bind(done);
+ }
} else {
masm.sub(inputRegister, baseReg, resReg);
+ if (encoding.getShift() != 0) {
+ masm.srlx(resReg, encoding.getShift(), resReg);
+ }
}
+ } else {
if (encoding.getShift() != 0) {
- masm.srlx(resReg, encoding.getShift(), resReg);
+ masm.srlx(inputRegister, encoding.getShift(), resReg);
}
- } else {
- masm.srlx(inputRegister, encoding.getShift(), resReg);
}
}
}
public static final class UncompressPointer extends SPARCLIRInstruction {
@@ -194,22 +212,22 @@
}
public static void emitUncompressCode(SPARCMacroAssembler masm, Register inputRegister, Register resReg, Register baseReg, int shift, boolean nonNull) {
Register secondaryInput;
if (shift != 0) {
- masm.sll(inputRegister, shift, resReg);
+ masm.sllx(inputRegister, shift, resReg);
secondaryInput = resReg;
} else {
secondaryInput = inputRegister;
}
if (baseReg != null) {
if (nonNull) {
masm.add(secondaryInput, baseReg, resReg);
} else {
Label done = new Label();
- BPR.emit(masm, Rc_z, ANNUL, PREDICT_TAKEN, secondaryInput, done);
+ BPR.emit(masm, Rc_nz, ANNUL, PREDICT_TAKEN, secondaryInput, done);
masm.add(baseReg, secondaryInput, resReg);
masm.bind(done);
}
}
}
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