Fixes #106142. #106369
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Fixes #106142. #106369
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This was referenced Aug 14, 2024
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@tannergooding @jakobbotsch , please review the code before RC1 snap. |
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Aug 14, 2024
jakobbotsch
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Aug 14, 2024
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Thanks for the work. If tests pass, I will merge today. |
| case GT_ROL: | ||
| { | ||
| // Normalize the "rotate by" value | ||
| arg1 %= (sizeof(TBase) * BITS_PER_BYTE); |
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Was the behavioral difference for negative inputs, since %= is remainder of truncating division and so handles signed values differently?
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Yep. It was different for negative inputs. For eg. one of the test case has the rotate count show up as -2 in here.
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This Fixes #106142
Rotate requires the count to be normalized depending on base type. This was already done with f251b17 but there was a behavioral mismatch between x86 and x64 with the mod(%) operator