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[Truffle] Update Fixnum/Complex#hash
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Brandon Fish
committed
Sep 15, 2016
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commit a9b6515
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Original file line number | Diff line number | Diff line change |
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@@ -37,8 +37,10 @@ | |
import org.jruby.truffle.language.dispatch.CallDispatchHeadNode; | ||
import org.jruby.truffle.language.dispatch.DispatchHeadNodeFactory; | ||
import org.jruby.truffle.language.methods.UnsupportedOperationBehavior; | ||
import org.jruby.util.SipHashInline; | ||
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import java.math.BigInteger; | ||
import java.nio.ByteBuffer; | ||
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@CoreClass("Fixnum") | ||
public abstract class FixnumNodes { | ||
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@@ -1180,6 +1182,40 @@ public DynamicObject coerce(int a, Object b) { | |
return null; // Primitive failure | ||
} | ||
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} | ||
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@Primitive(name = "fixnum_memhash") | ||
public static abstract class FixnumMemhashPrimitiveNode extends PrimitiveArrayArgumentsNode { | ||
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@Specialization | ||
public long memhashIntInt(int a, int b) { | ||
return memhashLongLong((long) a, (long) b); | ||
} | ||
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@Specialization | ||
public long memhashLongInt(long a, int b) { | ||
return memhashLongLong(a, (long) b); | ||
} | ||
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@Specialization | ||
public long memhash(int a, long b) { | ||
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return memhashLongLong((long) a, b); | ||
} | ||
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@Specialization | ||
public long memhashLongLong(long a, long b) { | ||
final ByteBuffer buffer = ByteBuffer.allocate(Long.BYTES * 2); | ||
buffer.putLong(a); | ||
buffer.putLong(b); | ||
return SipHashInline.hash24(getContext().getJRubyRuntime().getHashSeedK0(), | ||
getContext().getJRubyRuntime().getHashSeedK1(), buffer.array()); | ||
} | ||
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} | ||
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@Primitive(name = "fixnum_pow") | ||
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Should the seed be passed to start? I think that's how Array#hash did it, isn't it?