OpenJDK / jdk / jdk12
changeset 35584:bd3f4749a19c
8147805: aarch64: C1 segmentation fault due to inline Unsafe.getAndSetObject
Summary: In Aarch64 LIR_Assembler.atomic_op, keep stored data reference register in decompressed forms as it may be used later
Reviewed-by: aph
Contributed-by: hui.shi@linaro.org, felix.yang@linaro.org
| author | hshi |
|---|---|
| date | Wed, 20 Jan 2016 04:56:51 -0800 |
| parents | 3e83096ee8e5 |
| children | 2aeb1ca2c40b |
| files | hotspot/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp |
| diffstat | 1 files changed, 2 insertions(+), 1 deletions(-) [+] |
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--- a/hotspot/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp Wed Jan 20 17:00:17 2016 -1000 +++ b/hotspot/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp Wed Jan 20 04:56:51 2016 -0800 @@ -3169,7 +3169,8 @@ Register obj = as_reg(data); Register dst = as_reg(dest); if (is_oop && UseCompressedOops) { - __ encode_heap_oop(obj); + __ encode_heap_oop(rscratch1, obj); + obj = rscratch1; } assert_different_registers(obj, addr.base(), tmp, rscratch2, dst); Label again;