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8314119: G1: Fix -Wconversion warnings in G1CardSetInlinePtr::card_pos_for

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Reviewed-by: tschatzl, kbarrett
This commit is contained in:
Albert Mingkun Yang 2023-08-14 11:08:31 +00:00
parent 06aa3c5628
commit 5bfb82e6fa
2 changed files with 2 additions and 2 deletions
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2
src/hotspot/share/gc/g1/g1CardSetContainers.hpp
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@ -78,7 +78,7 @@ class G1CardSetInlinePtr : public StackObj {
static const uintptr_t SizeFieldMask = (((uint)1 << SizeFieldLen) - 1) << SizeFieldPos;
static uint8_t card_pos_for(uint const idx, uint const bits_per_card) {
static uint card_pos_for(uint const idx, uint const bits_per_card) {
return (idx * bits_per_card + HeaderSize);
}

2
src/hotspot/share/gc/g1/g1CardSetContainers.inline.hpp
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@ -35,7 +35,7 @@ inline G1CardSetInlinePtr::ContainerPtr G1CardSetInlinePtr::merge(ContainerPtr o
assert((idx & (SizeFieldMask >> SizeFieldPos)) == idx, "Index %u too large to fit into size field", idx);
assert(card_in_region < ((uint)1 << bits_per_card), "Card %u too large to fit into card value field", card_in_region);
uint8_t card_pos = card_pos_for(idx, bits_per_card);
uint card_pos = card_pos_for(idx, bits_per_card);
assert(card_pos + bits_per_card < BitsInValue, "Putting card at pos %u with %u bits would extend beyond pointer", card_pos, bits_per_card);
// Check that we do not touch any fields we do not own.