archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 15:24:43 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8318678: Vector access on heap MemorySegments only works for byte[]

Browse source 
Reviewed-by: chegar, mcimadamore, psandoz
This commit is contained in:
Per Minborg 2023-11-07 09:46:45 +00:00
parent e1cae72036
commit 74f1889b58
12 changed files with 459 additions and 60 deletions
Download patch file Download diff file Expand all files Collapse all files

16
src/java.base/share/classes/jdk/internal/misc/X-ScopedMemoryAccess.java.template
View file

@ -329,10 +329,6 @@ public class ScopedMemoryAccess {
AbstractMemorySegmentImpl msp, long offset,
S s,
VectorSupport.LoadOperation<AbstractMemorySegmentImpl, V, S> defaultImpl) {
// @@@ Smarter alignment checking if accessing heap segment backing non-byte[] array
if (msp.maxAlignMask() > 1) {
throw new IllegalArgumentException();
}
try {
return loadFromMemorySegmentScopedInternal(
@ -374,10 +370,6 @@ public class ScopedMemoryAccess {
V loadFromMemorySegmentMasked(Class<? extends V> vmClass, Class<M> maskClass, Class<E> e,
int length, AbstractMemorySegmentImpl msp, long offset, M m, S s, int offsetInRange,
VectorSupport.LoadVectorMaskedOperation<AbstractMemorySegmentImpl, V, S, M> defaultImpl) {
// @@@ Smarter alignment checking if accessing heap segment backing non-byte[] array
if (msp.maxAlignMask() > 1) {
throw new IllegalArgumentException();
}
try {
return loadFromMemorySegmentMaskedScopedInternal(
@ -420,10 +412,6 @@ public class ScopedMemoryAccess {
V v,
AbstractMemorySegmentImpl msp, long offset,
VectorSupport.StoreVectorOperation<AbstractMemorySegmentImpl, V> defaultImpl) {
// @@@ Smarter alignment checking if accessing heap segment backing non-byte[] array
if (msp.maxAlignMask() > 1) {
throw new IllegalArgumentException();
}
try {
storeIntoMemorySegmentScopedInternal(
@ -466,10 +454,6 @@ public class ScopedMemoryAccess {
int length, V v, M m,
AbstractMemorySegmentImpl msp, long offset,
VectorSupport.StoreVectorMaskedOperation<AbstractMemorySegmentImpl, V, M> defaultImpl) {
// @@@ Smarter alignment checking if accessing heap segment backing non-byte[] array
if (msp.maxAlignMask() > 1) {
throw new IllegalArgumentException();
}
try {
storeIntoMemorySegmentMaskedScopedInternal(