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1 module dmd.expression.Ushr;
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2
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114
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3 import dmd.common;
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4 import dmd.Type;
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5 import dmd.Expression;
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6 import dmd.Loc;
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7 import dmd.TY;
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8 import dmd.IntegerExp;
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9
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10 Expression Ushr(Type type, Expression e1, Expression e2)
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11 {
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12 Expression e;
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13 Loc loc = e1.loc;
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14 uint count;
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15 ulong value;
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16
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17 value = e1.toInteger();
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18 count = cast(uint)e2.toInteger();
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19
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20 switch (e1.type.toBasetype().ty)
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21 {
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22 case Tint8:
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23 case Tuns8:
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24 assert(0); // no way to trigger this
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25 value = (value & 0xFF) >> count;
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26 break;
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27
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28 case Tint16:
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29 case Tuns16:
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30 assert(0); // no way to trigger this
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31 value = (value & 0xFFFF) >> count;
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32 break;
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33
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34 case Tint32:
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35 case Tuns32:
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36 value = (value & 0xFFFFFFFF) >> count;
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37 break;
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38
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39 case Tint64:
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40 case Tuns64:
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41 value = cast(ulong)(value) >> count;
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42 break;
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43
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44 default:
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45 assert(0);
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46 }
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47
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48 e = new IntegerExp(loc, value, type);
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49
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50 return e;
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51 } |
