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[GR-63723] Remove optimized hub access until compiler bug is fixed. #10952

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[GR-63723] Remove optimized hub access until compiler bug is fixed. #10952

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7 changes: 0 additions & 7 deletions ...om.oracle.svm.core/src/com/oracle/svm/core/graal/meta/SubstrateBasicLoweringProvider.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,6 @@
*/
package com.oracle.svm.core.graal.meta;

import java.nio.ByteOrder;
import java.util.HashMap;
import java.util.Map;

Expand Down Expand Up @@ -260,12 +259,6 @@ protected ValueNode createReadHub(StructuredGraph graph, ValueNode object, Lower
int hubOffset = ol.getHubOffset();
int bytesToRead = ol.getHubSize();
long reservedHubBitsMask = oh.getReservedHubBitsMask();
if (hubOffset == Integer.BYTES && hubOffset + ol.getHubSize() == Long.BYTES && target.arch.getByteOrder() == ByteOrder.LITTLE_ENDIAN) {
/* Prepare to emit a 64-bit read at offset 0 (reduces the code size). */
hubOffset = 0;
bytesToRead = Long.BYTES;
reservedHubBitsMask = (reservedHubBitsMask << Integer.SIZE) | ((1L << Integer.SIZE) - 1);
}

/* Read the raw hub data from the correct part of the object header. */
IntegerStamp readStamp = StampFactory.forUnsignedInteger(bytesToRead * Byte.SIZE);
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