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8247524: Remove unnecessary volatile qualifiers from member functions

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Remove qualifiers for oopDesc and metadata-related member functions.

Reviewed-by: stefank, dholmes, stuefe, coleenp
This commit is contained in:
Kim Barrett 2020-06-15 21:14:52 -04:00
parent 0be5b7d66e
commit c1cd3893bd
10 changed files with 25 additions and 28 deletions
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10
src/hotspot/share/oops/oop.inline.hpp
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@ -96,7 +96,7 @@ Klass* oopDesc::klass() const {
}
}
Klass* oopDesc::klass_or_null() const volatile {
Klass* oopDesc::klass_or_null() const {
if (UseCompressedClassPointers) {
return CompressedKlassPointers::decode(_metadata._compressed_klass);
} else {
@ -104,12 +104,10 @@ Klass* oopDesc::klass_or_null() const volatile {
}
}
Klass* oopDesc::klass_or_null_acquire() const volatile {
Klass* oopDesc::klass_or_null_acquire() const {
if (UseCompressedClassPointers) {
// Workaround for non-const load_acquire parameter.
const volatile narrowKlass* addr = &_metadata._compressed_klass;
volatile narrowKlass* xaddr = const_cast<volatile narrowKlass*>(addr);
return CompressedKlassPointers::decode(Atomic::load_acquire(xaddr));
narrowKlass nklass = Atomic::load_acquire(&_metadata._compressed_klass);
return CompressedKlassPointers::decode(nklass);
} else {
return Atomic::load_acquire(&_metadata._klass);
}