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8331393: AArch64: u32 _partial_subtype_ctr loaded/stored as 64

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Reviewed-by: aph, fyang
This commit is contained in:
Robbin Ehn 2024-05-01 08:09:53 +00:00
parent b96b38c2c9
commit f215899a08
2 changed files with 2 additions and 9 deletions
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6
src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
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@ -1560,11 +1560,7 @@ void MacroAssembler::check_klass_subtype_slow_path(Register sub_klass,
}
#ifndef PRODUCT
mov(rscratch2, (address)&SharedRuntime::_partial_subtype_ctr);
Address pst_counter_addr(rscratch2);
ldr(rscratch1, pst_counter_addr);
add(rscratch1, rscratch1, 1);
str(rscratch1, pst_counter_addr);
incrementw(ExternalAddress((address)&SharedRuntime::_partial_subtype_ctr));
#endif //PRODUCT
// We will consult the secondary-super array.

5
src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp
View File

@ -86,10 +86,7 @@ class StubGenerator: public StubCodeGenerator {
#define inc_counter_np(counter) ((void)0)
#else
void inc_counter_np_(uint& counter) {
__ lea(rscratch2, ExternalAddress((address)&counter));
__ ldrw(rscratch1, Address(rscratch2));
__ addw(rscratch1, rscratch1, 1);
__ strw(rscratch1, Address(rscratch2));
__ incrementw(ExternalAddress((address)&counter));
}
#define inc_counter_np(counter) \
BLOCK_COMMENT("inc_counter " #counter); \