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6711316: Open source the Garbage-First garbage collector

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First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
This commit is contained in:
Y. Srinivas Ramakrishna 2008-06-05 15:57:56 -07:00
parent 39463bb3fc
commit 18f3386a98
215 changed files with 36088 additions and 1249 deletions
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6
hotspot/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp
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@ -2093,7 +2093,11 @@ void LIR_Assembler::emit_arraycopy(LIR_OpArrayCopy* op) {
// the known type isn't loaded since the code sanity checks
// in debug mode and the type isn't required when we know the exact type
// also check that the type is an array type.
if (op->expected_type() == NULL) {
// We also, for now, always call the stub if the barrier set requires a
// write_ref_pre barrier (which the stub does, but none of the optimized
// cases currently does).
if (op->expected_type() == NULL ||
Universe::heap()->barrier_set()->has_write_ref_pre_barrier()) {
__ mov(src, O0);
__ mov(src_pos, O1);
__ mov(dst, O2);