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8263396: Atomic::CmpxchgByteUsingInt::set_byte_in_int needs an explicit cast

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Reviewed-by: dholmes
This commit is contained in:
Aleksei Voitylov 2021-04-30 12:34:19 +00:00 committed by David Holmes
parent 07ecd421d1
commit eb8db12ce6
1 changed files with 2 additions and 1 deletions
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3
src/hotspot/share/runtime/atomic.hpp
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@ -818,7 +818,8 @@ inline uint32_t Atomic::CmpxchgByteUsingInt::set_byte_in_int(uint32_t n,
uint8_t b,
uint32_t idx) {
int bitsIdx = BitsPerByte * idx;
return (n & ~(0xff << bitsIdx)) | (b << bitsIdx);
return (n & ~(static_cast<uint32_t>(0xff) << bitsIdx))
| (static_cast<uint32_t>(b) << bitsIdx);
}
inline uint8_t Atomic::CmpxchgByteUsingInt::get_byte_in_int(uint32_t n,