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Fix 32-bit problem

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This commit is contained in:
tstuefe 2025-11-17 14:13:47 +01:00
parent 18811c5c8b
commit 8084ac2b16
2 changed files with 2 additions and 6 deletions
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6
src/hotspot/share/cds/archiveBuilder.cpp
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@ -1132,10 +1132,9 @@ class RelocateBufferToRequested : public BitMapClosure {
}
};
#ifdef _LP64
int ArchiveBuilder::precomputed_narrow_klass_shift() {
// Legacy Mode:
// We use 32 bits for narrowKlass, which should cover the full 4G Klass range. Shift can be 0.
// Standard Mode:
// We use 32 bits for narrowKlass, which should cover a full 4G Klass range. Shift can be 0.
// CompactObjectHeader Mode:
// narrowKlass is much smaller, and we use the highest possible shift value to later get the maximum
// Klass encoding range.
@ -1144,7 +1143,6 @@ int ArchiveBuilder::precomputed_narrow_klass_shift() {
// narrow Klass IDs at archive load time.
return UseCompactObjectHeaders ? CompressedKlassPointers::max_shift() : 0;
}
#endif // _LP64
void ArchiveBuilder::relocate_to_requested() {
if (!ro_region()->is_packed()) {

2
src/hotspot/share/cds/archiveBuilder.hpp
View File

@ -511,7 +511,6 @@ public:
void print_stats();
void report_out_of_space(const char* name, size_t needed_bytes);
#ifdef _LP64
// The CDS archive contains pre-computed narrow Klass IDs. It carries them in the headers of
// archived heap objects. With +UseCompactObjectHeaders, it also carries them in prototypes
// in Klass.
@ -531,7 +530,6 @@ public:
// TinyClassPointer Mode:
// We use the highest possible shift value to maximize the encoding range size.
static int precomputed_narrow_klass_shift();
#endif // _LP64
};