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Do not assume about another half regrec #53412

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merged 1 commit into from
May 28, 2021

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After #45135, we started assuming at one place that RegisterRecord would always be the even-numbered. (See my question in that PR). However, it seems that recent work of porting SIMDIntrinsicGetItem and SIMDIntrinsicSetItem to HWIntrinsics done in #52288 exposed the problem and prove that the assumption is wrong.

The fix is to revert back to pre #45135 change.

Fixes: #53322

@dotnet-issue-labeler dotnet-issue-labeler bot added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label May 28, 2021
@kunalspathak kunalspathak marked this pull request as ready for review May 28, 2021 16:23
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@kunalspathak kunalspathak merged commit d7a4d9b into dotnet:main May 28, 2021
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Assertion failed 'genIsValidDoubleReg(regRec->regNum)'
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