JDK-6961690 : load oops from constant table on SPARC
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs18,hs19,7
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: generic,solaris,solaris_10
  • CPU: generic,sparc
  • Submitted: 2010-06-16
  • Updated: 2015-01-17
  • Resolved: 2011-04-23
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JDK 6 JDK 7 Other
6u25Fixed 7Fixed hs20Fixed
Related Reports
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JDK-6942305 - Load 64 bit constants on Sparc from constant table
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JDK-6914349 - Load constants from nmethod constant pool using base+offset rather than direct addressing
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JDK-7056380 - VM crashes with SIGSEGV in compiled code
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JDK-6961697 - move nmethod constants section before instruction section
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JDK-6916274 - Construct better CardTableModRefBS::byte_map_base value for 64-bit sparc
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JDK-7003454 - order constants in constant table by number of references in code
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JDK-7008325 - CodeCache exhausted on sparc starting from hs20b04
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JDK-7119571 - EXCEPTION_ACCESS_VIOLATION after divide by zero
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JDK-7004940 - CTW: assert(!def_outside->member(r)) failed: Use of external LRG overlaps the same LRG
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JDK-7006044 - materialize cheap non-oop pointers on 64-bit SPARC
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JDK-7004925 - CTW: assert(nbits == 32 || -(1 << nbits-1) <= x && x < ( 1 << nbits-1)) failed: value out of range
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JDK-8068881 - SIGBUS in C2 compiled method weblogic.wsee.jaxws.framework.jaxrpc.EnvironmentFactory$SimulatedWsdlDefinitions.
Description
oops should be loaded from the constant table of an nmethod instead of materializing them with a long code sequence.
Comments
EVALUATION http://hg.openjdk.java.net/jdk7/build/hotspot/rev/2f644f85485d
25-12-2010
EVALUATION http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/2f644f85485d
16-12-2010
EVALUATION http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/2f644f85485d
03-12-2010