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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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6
hotspot/src/share/vm/asm/codeBuffer.cpp
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@ -281,8 +281,10 @@ address CodeSection::target(Label& L, address branch_pc) {
// Need to return a pc, doesn't matter what it is since it will be
// replaced during resolution later.
// (Don't return NULL or badAddress, since branches shouldn't overflow.)
return base;
// Don't return NULL or badAddress, since branches shouldn't overflow.
// Don't return base either because that could overflow displacements
// for shorter branches. It will get checked when bound.
return branch_pc;
}
}