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changeset 8589:7a921b442081

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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 220fb5b3d9ce
children 6c2017fdb2e6
files src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp
diffstat 1 files changed, 2 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp	Tue Jan 19 17:52:52 2016 +0000
+++ b/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp	Wed Jan 20 04:56:51 2016 -0800
@@ -3202,7 +3202,8 @@
       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;