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8308248: Revisit alignment of layout constants on 32-bit platforms

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Reviewed-by: psandoz, pminborg
This commit is contained in:
Maurizio Cimadamore 2023-05-19 14:28:14 +00:00
parent 80ef5c228b
commit 44218b1c9e
6 changed files with 62 additions and 39 deletions
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6
src/java.base/share/classes/java/lang/foreign/ValueLayout.java
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@ -485,7 +485,8 @@ public sealed interface ValueLayout extends MemoryLayout permits
/**
* A value layout constant whose size is the same as that of a Java {@code long},
* bit alignment set to 64, and byte order set to {@link ByteOrder#nativeOrder()}.
* (platform-dependent) bit alignment set to {@code ADDRESS.bitSize()},
* and byte order set to {@link ByteOrder#nativeOrder()}.
*/
OfLong JAVA_LONG = ValueLayouts.OfLongImpl.of(ByteOrder.nativeOrder());
@ -497,7 +498,8 @@ public sealed interface ValueLayout extends MemoryLayout permits
/**
* A value layout constant whose size is the same as that of a Java {@code double},
* bit alignment set to 64, and byte order set to {@link ByteOrder#nativeOrder()}.
* (platform-dependent) bit alignment set to {@code ADDRESS.bitSize()},
* and byte order set to {@link ByteOrder#nativeOrder()}.
*/
OfDouble JAVA_DOUBLE = ValueLayouts.OfDoubleImpl.of(ByteOrder.nativeOrder());