Ensure small counts are properly handled for sizeof(T) == 8 #96463
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ghost
assigned 
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Tagging subscribers to this area: @dotnet/area-system-numerics Issue DetailsThis resolves the CI failures being seen after #94555 was merged
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stephentoub
reviewed
Jan 4, 2024
| case 1: | ||
| { | ||
| result = TAggregationOperator.Invoke(result, TTransformOperator.Invoke(xRef)); | ||
| goto case 0; |
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Why goto case 0 rather than break?
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The JIT doesn't do the best job at merging paths together, but it does fine at recognizing fallthrough patterns. Going to case 0 gives us a single fallthrough pattern with no branching that just naturally continues after the switch
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This resolves the CI failures being seen after #94555 was merged