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6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions

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Add LoadNKlass and CMoveN nodes, use CmpN and ConN nodes to generate narrow oops compare instructions.

Reviewed-by: never, rasbold
This commit is contained in:
Vladimir Kozlov 2008-05-21 13:46:23 -07:00
parent 757229db71
commit 76035424de
29 changed files with 428 additions and 128 deletions
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2
hotspot/src/share/vm/opto/classes.hpp
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@ -64,6 +64,7 @@ macro(CMoveF)
macro(CMoveI)
macro(CMoveL)
macro(CMoveP)
macro(CMoveN)
macro(CmpN)
macro(CmpD)
macro(CmpD3)
@ -133,6 +134,7 @@ macro(LoadD_unaligned)
macro(LoadF)
macro(LoadI)
macro(LoadKlass)
macro(LoadNKlass)
macro(LoadL)
macro(LoadL_unaligned)
macro(LoadPLocked)