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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes

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Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
This commit is contained in:
Coleen Phillimore 2008-04-13 17:43:42 -04:00
parent 680ecf1611
commit 4a831d45f0
273 changed files with 6585 additions and 2993 deletions
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hotspot/src/cpu/x86/vm/c1_MacroAssembler_x86.cpp
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@ -218,7 +218,7 @@ void C1_MacroAssembler::allocate_object(Register obj, Register t1, Register t2,
void C1_MacroAssembler::initialize_object(Register obj, Register klass, Register var_size_in_bytes, int con_size_in_bytes, Register t1, Register t2) {
assert((con_size_in_bytes & MinObjAlignmentInBytesMask) == 0,
"con_size_in_bytes is not multiple of alignment");
const int hdr_size_in_bytes = oopDesc::header_size_in_bytes();
const int hdr_size_in_bytes = instanceOopDesc::base_offset_in_bytes();
initialize_header(obj, klass, noreg, t1, t2);