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RISC-V: Missing acquire in JNI_FastGetField::generate_fast_get_int_field0
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This commit is contained in:
Dingli Zhang
2025-09-17 11:17:05 +08:00
parent e1071797a4
commit b804bf3deb
1 changed files with 2 additions and 0 deletions
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src/hotspot/cpu/riscv/jniFastGetField_riscv.cpp
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@@ -76,6 +76,7 @@ address JNI_FastGetField::generate_fast_get_int_field0(BasicType type) {
ExternalAddress counter(SafepointSynchronize::safepoint_counter_addr());
__ la(rcounter_addr, counter);
__ lwu(rcounter, Address(rcounter_addr));
__ membar(MacroAssembler::LoadLoad | MacroAssembler::LoadStore);
// An even value means there are no ongoing safepoint operations
__ test_bit(t0, rcounter, 0);
__ bnez(t0, slow);
@@ -134,6 +135,7 @@ address JNI_FastGetField::generate_fast_get_int_field0(BasicType type) {
__ membar(MacroAssembler::LoadLoad | MacroAssembler::LoadStore);
__ lw(t0, Address(rcounter_addr));
__ membar(MacroAssembler::LoadLoad | MacroAssembler::LoadStore);
__ bne(rcounter, t0, slow);
switch (type) {