public RemOp(
SPARCArithmetic opcode,
Value result,
Value x,
Value y,
LIRFrameState state,
LIRGeneratorTool gen) {
this.opcode = opcode;
this.result = result;
this.x = x;
this.y = y;
this.scratch1 = gen.newVariable(LIRKind.derive(x, y));
this.scratch2 = gen.newVariable(LIRKind.derive(x, y));
this.state = state;
}
/**
* If we are sub it sizes, we try to sign/zero extend the value to at least int as it is done in
* the {@link com.oracle.graal.replacements.DefaultJavaLoweringProvider#implicitLoadConvert} and
* {@link com.oracle.graal.replacements.DefaultJavaLoweringProvider#createUnsafeRead}.
*
* @see com.oracle.graal.replacements.DefaultJavaLoweringProvider#implicitLoadConvert
* @see com.oracle.graal.replacements.DefaultJavaLoweringProvider#createUnsafeRead
*/
@Override
public void generate(NodeLIRBuilderTool gen) {
LIRKind kind = gen.getLIRGeneratorTool().target().getLIRKind(readKind);
Value loaded = gen.getLIRGeneratorTool().emitLoad(kind, gen.operand(address), null);
switch ((Kind) kind.getPlatformKind()) {
case Byte:
loaded = gen.getLIRGeneratorTool().emitSignExtend(loaded, 8, 32);
break;
case Short:
loaded = gen.getLIRGeneratorTool().emitSignExtend(loaded, 16, 32);
break;
case Boolean:
loaded = gen.getLIRGeneratorTool().emitZeroExtend(loaded, 8, 32);
break;
case Char:
loaded = gen.getLIRGeneratorTool().emitZeroExtend(loaded, 16, 32);
break;
}
gen.setResult(this, loaded);
}
