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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/cpu/sparc/vm/templateInterpreter_sparc.cpp
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@ -591,7 +591,10 @@ address InterpreterGenerator::generate_accessor_entry(void) {
address entry = __ pc();
Label slow_path;
if ( UseFastAccessorMethods) {
// XXX: for compressed oops pointer loading and decoding doesn't fit in
// delay slot and damages G1
if ( UseFastAccessorMethods && !UseCompressedOops ) {
// Check if we need to reach a safepoint and generate full interpreter
// frame if so.
Address sync_state(G3_scratch, SafepointSynchronize::address_of_state());
@ -953,6 +956,7 @@ address InterpreterGenerator::generate_native_entry(bool synchronized) {
// Back from jni method Lmethod in this frame is DEAD, DEAD, DEAD
__ restore_thread(L7_thread_cache); // restore G2_thread
__ reinit_heapbase();
// must we block?