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8256670: Zero: enable compressed oops support back

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Reviewed-by: coleenp
This commit is contained in:
Aleksey Shipilev 2020-11-22 18:06:18 +00:00
parent d46f6f5a80
commit 037e49cf57
1 changed files with 0 additions and 8 deletions
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8
src/hotspot/share/runtime/arguments.cpp
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@ -1678,7 +1678,6 @@ size_t Arguments::max_heap_for_compressed_oops() {
}
void Arguments::set_use_compressed_oops() {
#ifndef ZERO
#ifdef _LP64
// MaxHeapSize is not set up properly at this point, but
// the only value that can override MaxHeapSize if we are
@ -1699,14 +1698,12 @@ void Arguments::set_use_compressed_oops() {
}
}
#endif // _LP64
#endif // ZERO
}
// NOTE: set_use_compressed_klass_ptrs() must be called after calling
// set_use_compressed_oops().
void Arguments::set_use_compressed_klass_ptrs() {
#ifndef ZERO
#ifdef _LP64
// On some architectures, the use of UseCompressedClassPointers implies the use of
// UseCompressedOops. The reason is that the rheap_base register of said platforms
@ -1734,7 +1731,6 @@ void Arguments::set_use_compressed_klass_ptrs() {
}
}
#endif // _LP64
#endif // !ZERO
}
void Arguments::set_conservative_max_heap_alignment() {
@ -1753,7 +1749,6 @@ jint Arguments::set_ergonomics_flags() {
set_conservative_max_heap_alignment();
#ifndef ZERO
#ifdef _LP64
set_use_compressed_oops();
@ -1764,7 +1759,6 @@ jint Arguments::set_ergonomics_flags() {
// Also checks that certain machines are slower with compressed oops
// in vm_version initialization code.
#endif // _LP64
#endif // !ZERO
return JNI_OK;
}
@ -4194,8 +4188,6 @@ jint Arguments::apply_ergo() {
// Clear flags not supported on zero.
FLAG_SET_DEFAULT(ProfileInterpreter, false);
FLAG_SET_DEFAULT(UseBiasedLocking, false);
LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false));
LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false));
#endif // ZERO
if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) {