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Minor update

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This commit is contained in:
Santosh Srivatsan
2021-12-15 17:21:38 -05:00
parent 71acf4eadb
commit f93303bac7
5 changed files with 66 additions and 114 deletions
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4
sim/common/bitmanip.h
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@@ -82,8 +82,8 @@ inline uint64_t sext64(uint64_t word, uint64_t width) {
assert(width > 1);
assert(width <= 64);
uint64_t unity = 1;
uint64_t mask = (unity << width) - 0x1;
return ((word >> (width - 0x1)) & 0x1) ? (word | ~mask) : word;
uint64_t mask = (unity << width) - 1;
return ((word >> (width - 1)) & 0x1) ? (word | ~mask) : word;
}
inline __uint128_t sext128(__uint128_t word, uint32_t width) {