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8325635: Serial: Inline verify_used_region_at_save_marks

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Reviewed-by: stefank, tschatzl
This commit is contained in:
Albert Mingkun Yang 2024-02-13 08:47:00 +00:00
parent b356fee5d8
commit 62a4be03cf
2 changed files with 6 additions and 16 deletions
src/hotspot/share/gc/serial
cardTableRS.cppcardTableRS.hpp

19
src/hotspot/share/gc/serial/cardTableRS.cpp

@ -32,27 +32,20 @@
#include "utilities/align.hpp"
void CardTableRS::scan_old_to_young_refs(TenuredSpace* sp) {
verify_used_region_at_save_marks(sp);
const MemRegion ur = sp->used_region();
const MemRegion urasm = sp->used_region_at_save_marks();
if (!urasm.is_empty()) {
OldGenScanClosure cl(SerialHeap::heap()->young_gen());
non_clean_card_iterate(sp, urasm, &cl);
}
}
#ifdef ASSERT
void CardTableRS::verify_used_region_at_save_marks(Space* sp) const {
MemRegion ur = sp->used_region();
MemRegion urasm = sp->used_region_at_save_marks();
assert(ur.contains(urasm),
"Did you forget to call save_marks()? "
"[" PTR_FORMAT ", " PTR_FORMAT ") is not contained in "
"[" PTR_FORMAT ", " PTR_FORMAT ")",
p2i(urasm.start()), p2i(urasm.end()), p2i(ur.start()), p2i(ur.end()));
if (!urasm.is_empty()) {
OldGenScanClosure cl(SerialHeap::heap()->young_gen());
non_clean_card_iterate(sp, urasm, &cl);
}
}
#endif
void CardTableRS::maintain_old_to_young_invariant(TenuredGeneration* old_gen,
bool is_young_gen_empty) {

3
src/hotspot/share/gc/serial/cardTableRS.hpp

@ -30,7 +30,6 @@
#include "oops/oop.hpp"
class OldGenScanClosure;
class Space;
class TenuredGeneration;
class TenuredSpace;
@ -63,8 +62,6 @@ public:
void scan_old_to_young_refs(TenuredSpace* sp);
virtual void verify_used_region_at_save_marks(Space* sp) const NOT_DEBUG_RETURN;
void inline_write_ref_field_gc(void* field) {
CardValue* byte = byte_for(field);
*byte = dirty_card_val();