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comparison src/cpu/x86/vm/assembler_x86.hpp @ 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 2f644f85485d
comparison
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1972:f95d63e2154a 2002:ac637b7220d1
133 #else 133 #else
134 // rscratch1 will apear in 32bit code that is dead but of course must compile 134 // rscratch1 will apear in 32bit code that is dead but of course must compile
135 // Using noreg ensures if the dead code is incorrectly live and executed it 135 // Using noreg ensures if the dead code is incorrectly live and executed it
136 // will cause an assertion failure 136 // will cause an assertion failure
137 #define rscratch1 noreg 137 #define rscratch1 noreg
138 #define rscratch2 noreg
138 139
139 #endif // _LP64 140 #endif // _LP64
140 141
141 // JSR 292 fixed register usages: 142 // JSR 292 fixed register usages:
142 REGISTER_DECLARATION(Register, rbp_mh_SP_save, rbp); 143 REGISTER_DECLARATION(Register, rbp_mh_SP_save, rbp);