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comparison src/cpu/x86/vm/c1_Runtime1_x86.cpp @ 2002:ac637b7220d1

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6985015: C1 needs to support compressed oops Summary: This change implements compressed oops for C1 for x64 and sparc. The changes are mostly on the codegen level, with a few exceptions when we do access things outside of the heap that are uncompressed from the IR. Compressed oops are now also enabled with tiered. Reviewed-by: twisti, kvn, never, phh
author iveresov
date Tue, 30 Nov 2010 23:23:40 -0800
parents f95d63e2154a
children 06f017f7daa7 b1a2afa37ec4
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equal deleted inserted replaced
1972:f95d63e2154a 2002:ac637b7220d1
1259 #endif // _LP64 1259 #endif // _LP64
1260 1260
1261 // load the klass and check the has finalizer flag 1261 // load the klass and check the has finalizer flag
1262 Label register_finalizer; 1262 Label register_finalizer;
1263 Register t = rsi; 1263 Register t = rsi;
1264 __ movptr(t, Address(rax, oopDesc::klass_offset_in_bytes())); 1264 __ load_klass(t, rax);
1265 __ movl(t, Address(t, Klass::access_flags_offset_in_bytes() + sizeof(oopDesc))); 1265 __ movl(t, Address(t, Klass::access_flags_offset_in_bytes() + sizeof(oopDesc)));
1266 __ testl(t, JVM_ACC_HAS_FINALIZER); 1266 __ testl(t, JVM_ACC_HAS_FINALIZER);
1267 __ jcc(Assembler::notZero, register_finalizer); 1267 __ jcc(Assembler::notZero, register_finalizer);
1268 __ ret(0); 1268 __ ret(0);
1269 1269