43 lines
1.0 KiB
Java
Executable File
43 lines
1.0 KiB
Java
Executable File
package midend.llvm.instr;
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import backend.mips.MipsBuilder;
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import backend.mips.Register;
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import midend.llvm.type.IrType;
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import midend.llvm.value.IrValue;
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public class ExtendInstr extends IrInstr {
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private IrType targetType;
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public ExtendInstr(String name, IrType targetType, IrValue src) {
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super(targetType, name, IrInstrType.EXTEND);
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this.targetType = targetType;
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addUse(src);
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}
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public IrValue getSrc() {
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return getUse(0);
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}
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public IrType getTargetType() {
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return this.targetType;
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}
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public IrType getSrcType() {
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return getSrc().getType();
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}
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public String toString() {
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return getName() + " = zext " + getSrc().getType()
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+ " " + getSrc().getName() + " to " + getTargetType();
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}
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public void toMips() {
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Register reg = MipsBuilder.getRegister(this);
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if (reg == null) {
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reg = Register.K0;
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}
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loadValueToReg(getSrc(), reg);
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saveResult(this, reg);
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}
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}
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