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8201543: Modularize C1 GC barriers

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Reviewed-by: pliden, rbackman, rkennke
This commit is contained in:
Erik Österlund 2018-04-26 20:42:43 +02:00
parent 0ef11c31c7
commit f4893f5a9a
63 changed files with 3484 additions and 3401 deletions
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44
src/hotspot/cpu/arm/c1_CodeStubs_arm.cpp
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@ -33,9 +33,6 @@
#include "runtime/sharedRuntime.hpp"
#include "utilities/macros.hpp"
#include "vmreg_arm.inline.hpp"
#if INCLUDE_ALL_GCS
#include "gc/g1/g1BarrierSet.hpp"
#endif // INCLUDE_ALL_GCS
#define __ ce->masm()->
@ -466,45 +463,4 @@ void ArrayCopyStub::emit_code(LIR_Assembler* ce) {
__ b(_continuation);
}
/////////////////////////////////////////////////////////////////////////////
#if INCLUDE_ALL_GCS
void G1PreBarrierStub::emit_code(LIR_Assembler* ce) {
// At this point we know that marking is in progress.
// If do_load() is true then we have to emit the
// load of the previous value; otherwise it has already
// been loaded into _pre_val.
__ bind(_entry);
assert(pre_val()->is_register(), "Precondition.");
Register pre_val_reg = pre_val()->as_register();
if (do_load()) {
ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false /*wide*/, false /*unaligned*/);
}
__ cbz(pre_val_reg, _continuation);
ce->verify_reserved_argument_area_size(1);
__ str(pre_val_reg, Address(SP));
__ call(Runtime1::entry_for(Runtime1::g1_pre_barrier_slow_id), relocInfo::runtime_call_type);
__ b(_continuation);
}
void G1PostBarrierStub::emit_code(LIR_Assembler* ce) {
__ bind(_entry);
assert(addr()->is_register(), "Precondition.");
assert(new_val()->is_register(), "Precondition.");
Register new_val_reg = new_val()->as_register();
__ cbz(new_val_reg, _continuation);
ce->verify_reserved_argument_area_size(1);
__ str(addr()->as_pointer_register(), Address(SP));
__ call(Runtime1::entry_for(Runtime1::g1_post_barrier_slow_id), relocInfo::runtime_call_type);
__ b(_continuation);
}
#endif // INCLUDE_ALL_GCS
/////////////////////////////////////////////////////////////////////////////
#undef __