archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-21 11:34:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6711316: Open source the Garbage-First garbage collector

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

16
hotspot/src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp
View file

@ -365,6 +365,10 @@ void LIRGenerator::do_StoreIndexed(StoreIndexed* x) {
__ store_check(value.result(), array.result(), tmp1, tmp2, tmp3, store_check_info);
}
if (obj_store) {
// Needs GC write barriers.
pre_barrier(LIR_OprFact::address(array_addr), false, NULL);
}
__ move(value.result(), array_addr, null_check_info);
if (obj_store) {
// Is this precise?
@ -663,6 +667,10 @@ void LIRGenerator::do_CompareAndSwap(Intrinsic* x, ValueType* type) {
__ add(obj.result(), offset.result(), addr);
if (type == objectType) { // Write-barrier needed for Object fields.
pre_barrier(obj.result(), false, NULL);
}
if (type == objectType)
__ cas_obj(addr, cmp.result(), val.result(), t1, t2);
else if (type == intType)
@ -677,7 +685,11 @@ void LIRGenerator::do_CompareAndSwap(Intrinsic* x, ValueType* type) {
LIR_Opr result = rlock_result(x);
__ cmove(lir_cond_equal, LIR_OprFact::intConst(1), LIR_OprFact::intConst(0), result);
if (type == objectType) { // Write-barrier needed for Object fields.
#ifdef PRECISE_CARDMARK
post_barrier(addr, val.result());
#else
post_barrier(obj.result(), val.result());
#endif // PRECISE_CARDMARK
}
}
@ -1153,6 +1165,10 @@ void LIRGenerator::put_Object_unsafe(LIR_Opr src, LIR_Opr offset, LIR_Opr data,
addr = new LIR_Address(base_op, index_op, type);
}
if (is_obj) {
pre_barrier(LIR_OprFact::address(addr), false, NULL);
// _bs->c1_write_barrier_pre(this, LIR_OprFact::address(addr));
}
__ move(data, addr);
if (is_obj) {
// This address is precise